PackageManagerService.java revision 7b08b35bde3df58816b171b88712bcc6d21dcbe8
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; 58import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 60import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 61import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 62import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 63 64import android.util.ArrayMap; 65 66import com.android.internal.R; 67import com.android.internal.app.IMediaContainerService; 68import com.android.internal.app.ResolverActivity; 69import com.android.internal.content.NativeLibraryHelper; 70import com.android.internal.content.PackageHelper; 71import com.android.internal.os.IParcelFileDescriptorFactory; 72import com.android.internal.util.ArrayUtils; 73import com.android.internal.util.FastPrintWriter; 74import com.android.internal.util.FastXmlSerializer; 75import com.android.internal.util.IndentingPrintWriter; 76import com.android.server.EventLogTags; 77import com.android.server.IntentResolver; 78import com.android.server.LocalServices; 79import com.android.server.ServiceThread; 80import com.android.server.SystemConfig; 81import com.android.server.Watchdog; 82import com.android.server.pm.Settings.DatabaseVersion; 83import com.android.server.storage.DeviceStorageMonitorInternal; 84 85import org.xmlpull.v1.XmlSerializer; 86 87import android.app.ActivityManager; 88import android.app.ActivityManagerNative; 89import android.app.AppGlobals; 90import android.app.IActivityManager; 91import android.app.admin.IDevicePolicyManager; 92import android.app.backup.IBackupManager; 93import android.app.usage.UsageStats; 94import android.app.usage.UsageStatsManager; 95import android.content.BroadcastReceiver; 96import android.content.ComponentName; 97import android.content.Context; 98import android.content.IIntentReceiver; 99import android.content.Intent; 100import android.content.IntentFilter; 101import android.content.IntentSender; 102import android.content.IntentSender.SendIntentException; 103import android.content.ServiceConnection; 104import android.content.pm.ActivityInfo; 105import android.content.pm.ApplicationInfo; 106import android.content.pm.FeatureInfo; 107import android.content.pm.IPackageDataObserver; 108import android.content.pm.IPackageDeleteObserver; 109import android.content.pm.IPackageDeleteObserver2; 110import android.content.pm.IPackageInstallObserver2; 111import android.content.pm.IPackageInstaller; 112import android.content.pm.IPackageManager; 113import android.content.pm.IPackageMoveObserver; 114import android.content.pm.IPackageStatsObserver; 115import android.content.pm.InstrumentationInfo; 116import android.content.pm.KeySet; 117import android.content.pm.ManifestDigest; 118import android.content.pm.PackageCleanItem; 119import android.content.pm.PackageInfo; 120import android.content.pm.PackageInfoLite; 121import android.content.pm.PackageInstaller; 122import android.content.pm.PackageManager; 123import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 124import android.content.pm.PackageParser.ActivityIntentInfo; 125import android.content.pm.PackageParser.PackageLite; 126import android.content.pm.PackageParser.PackageParserException; 127import android.content.pm.PackageParser; 128import android.content.pm.PackageStats; 129import android.content.pm.PackageUserState; 130import android.content.pm.ParceledListSlice; 131import android.content.pm.PermissionGroupInfo; 132import android.content.pm.PermissionInfo; 133import android.content.pm.ProviderInfo; 134import android.content.pm.ResolveInfo; 135import android.content.pm.ServiceInfo; 136import android.content.pm.Signature; 137import android.content.pm.UserInfo; 138import android.content.pm.VerificationParams; 139import android.content.pm.VerifierDeviceIdentity; 140import android.content.pm.VerifierInfo; 141import android.content.res.Resources; 142import android.hardware.display.DisplayManager; 143import android.net.Uri; 144import android.os.Binder; 145import android.os.Build; 146import android.os.Bundle; 147import android.os.Environment; 148import android.os.Environment.UserEnvironment; 149import android.os.storage.IMountService; 150import android.os.storage.StorageManager; 151import android.os.Debug; 152import android.os.FileUtils; 153import android.os.Handler; 154import android.os.IBinder; 155import android.os.Looper; 156import android.os.Message; 157import android.os.Parcel; 158import android.os.ParcelFileDescriptor; 159import android.os.Process; 160import android.os.RemoteException; 161import android.os.SELinux; 162import android.os.ServiceManager; 163import android.os.SystemClock; 164import android.os.SystemProperties; 165import android.os.UserHandle; 166import android.os.UserManager; 167import android.security.KeyStore; 168import android.security.SystemKeyStore; 169import android.system.ErrnoException; 170import android.system.Os; 171import android.system.StructStat; 172import android.text.TextUtils; 173import android.text.format.DateUtils; 174import android.util.ArraySet; 175import android.util.AtomicFile; 176import android.util.DisplayMetrics; 177import android.util.EventLog; 178import android.util.ExceptionUtils; 179import android.util.Log; 180import android.util.LogPrinter; 181import android.util.PrintStreamPrinter; 182import android.util.Slog; 183import android.util.SparseArray; 184import android.util.SparseBooleanArray; 185import android.view.Display; 186 187import java.io.BufferedInputStream; 188import java.io.BufferedOutputStream; 189import java.io.BufferedReader; 190import java.io.File; 191import java.io.FileDescriptor; 192import java.io.FileNotFoundException; 193import java.io.FileOutputStream; 194import java.io.FileReader; 195import java.io.FilenameFilter; 196import java.io.IOException; 197import java.io.InputStream; 198import java.io.PrintWriter; 199import java.nio.charset.StandardCharsets; 200import java.security.NoSuchAlgorithmException; 201import java.security.PublicKey; 202import java.security.cert.CertificateEncodingException; 203import java.security.cert.CertificateException; 204import java.text.SimpleDateFormat; 205import java.util.ArrayList; 206import java.util.Arrays; 207import java.util.Collection; 208import java.util.Collections; 209import java.util.Comparator; 210import java.util.Date; 211import java.util.Iterator; 212import java.util.List; 213import java.util.Map; 214import java.util.Objects; 215import java.util.Set; 216import java.util.concurrent.atomic.AtomicBoolean; 217import java.util.concurrent.atomic.AtomicLong; 218 219import dalvik.system.DexFile; 220import dalvik.system.VMRuntime; 221 222import libcore.io.IoUtils; 223import libcore.util.EmptyArray; 224 225/** 226 * Keep track of all those .apks everywhere. 227 * 228 * This is very central to the platform's security; please run the unit 229 * tests whenever making modifications here: 230 * 231mmm frameworks/base/tests/AndroidTests 232adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 233adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 234 * 235 * {@hide} 236 */ 237public class PackageManagerService extends IPackageManager.Stub { 238 static final String TAG = "PackageManager"; 239 static final boolean DEBUG_SETTINGS = false; 240 static final boolean DEBUG_PREFERRED = false; 241 static final boolean DEBUG_UPGRADE = false; 242 private static final boolean DEBUG_INSTALL = false; 243 private static final boolean DEBUG_REMOVE = false; 244 private static final boolean DEBUG_BROADCASTS = false; 245 private static final boolean DEBUG_SHOW_INFO = false; 246 private static final boolean DEBUG_PACKAGE_INFO = false; 247 private static final boolean DEBUG_INTENT_MATCHING = false; 248 private static final boolean DEBUG_PACKAGE_SCANNING = false; 249 private static final boolean DEBUG_VERIFY = false; 250 private static final boolean DEBUG_DEXOPT = false; 251 private static final boolean DEBUG_ABI_SELECTION = false; 252 253 private static final int RADIO_UID = Process.PHONE_UID; 254 private static final int LOG_UID = Process.LOG_UID; 255 private static final int NFC_UID = Process.NFC_UID; 256 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 257 private static final int SHELL_UID = Process.SHELL_UID; 258 259 // Cap the size of permission trees that 3rd party apps can define 260 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 261 262 // Suffix used during package installation when copying/moving 263 // package apks to install directory. 264 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 265 266 static final int SCAN_NO_DEX = 1<<1; 267 static final int SCAN_FORCE_DEX = 1<<2; 268 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 269 static final int SCAN_NEW_INSTALL = 1<<4; 270 static final int SCAN_NO_PATHS = 1<<5; 271 static final int SCAN_UPDATE_TIME = 1<<6; 272 static final int SCAN_DEFER_DEX = 1<<7; 273 static final int SCAN_BOOTING = 1<<8; 274 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 275 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 276 static final int SCAN_REPLACING = 1<<11; 277 278 static final int REMOVE_CHATTY = 1<<16; 279 280 /** 281 * Timeout (in milliseconds) after which the watchdog should declare that 282 * our handler thread is wedged. The usual default for such things is one 283 * minute but we sometimes do very lengthy I/O operations on this thread, 284 * such as installing multi-gigabyte applications, so ours needs to be longer. 285 */ 286 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 287 288 /** 289 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 290 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 291 * settings entry if available, otherwise we use the hardcoded default. If it's been 292 * more than this long since the last fstrim, we force one during the boot sequence. 293 * 294 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 295 * one gets run at the next available charging+idle time. This final mandatory 296 * no-fstrim check kicks in only of the other scheduling criteria is never met. 297 */ 298 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 299 300 /** 301 * Whether verification is enabled by default. 302 */ 303 private static final boolean DEFAULT_VERIFY_ENABLE = true; 304 305 /** 306 * The default maximum time to wait for the verification agent to return in 307 * milliseconds. 308 */ 309 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 310 311 /** 312 * The default response for package verification timeout. 313 * 314 * This can be either PackageManager.VERIFICATION_ALLOW or 315 * PackageManager.VERIFICATION_REJECT. 316 */ 317 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 318 319 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 320 321 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 322 DEFAULT_CONTAINER_PACKAGE, 323 "com.android.defcontainer.DefaultContainerService"); 324 325 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 326 327 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 328 329 final ServiceThread mHandlerThread; 330 331 final PackageHandler mHandler; 332 333 /** 334 * Messages for {@link #mHandler} that need to wait for system ready before 335 * being dispatched. 336 */ 337 private ArrayList<Message> mPostSystemReadyMessages; 338 339 final int mSdkVersion = Build.VERSION.SDK_INT; 340 341 final Context mContext; 342 final boolean mFactoryTest; 343 final boolean mOnlyCore; 344 final boolean mLazyDexOpt; 345 final long mDexOptLRUThresholdInMills; 346 final DisplayMetrics mMetrics; 347 final int mDefParseFlags; 348 final String[] mSeparateProcesses; 349 final boolean mIsUpgrade; 350 351 // This is where all application persistent data goes. 352 final File mAppDataDir; 353 354 // This is where all application persistent data goes for secondary users. 355 final File mUserAppDataDir; 356 357 /** The location for ASEC container files on internal storage. */ 358 final String mAsecInternalPath; 359 360 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 361 // LOCK HELD. Can be called with mInstallLock held. 362 final Installer mInstaller; 363 364 /** Directory where installed third-party apps stored */ 365 final File mAppInstallDir; 366 367 /** 368 * Directory to which applications installed internally have their 369 * 32 bit native libraries copied. 370 */ 371 private File mAppLib32InstallDir; 372 373 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 374 // apps. 375 final File mDrmAppPrivateInstallDir; 376 377 // ---------------------------------------------------------------- 378 379 // Lock for state used when installing and doing other long running 380 // operations. Methods that must be called with this lock held have 381 // the suffix "LI". 382 final Object mInstallLock = new Object(); 383 384 // ---------------------------------------------------------------- 385 386 // Keys are String (package name), values are Package. This also serves 387 // as the lock for the global state. Methods that must be called with 388 // this lock held have the prefix "LP". 389 final ArrayMap<String, PackageParser.Package> mPackages = 390 new ArrayMap<String, PackageParser.Package>(); 391 392 // Tracks available target package names -> overlay package paths. 393 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 394 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 395 396 final Settings mSettings; 397 boolean mRestoredSettings; 398 399 // System configuration read by SystemConfig. 400 final int[] mGlobalGids; 401 final SparseArray<ArraySet<String>> mSystemPermissions; 402 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 403 404 // If mac_permissions.xml was found for seinfo labeling. 405 boolean mFoundPolicyFile; 406 407 // If a recursive restorecon of /data/data/<pkg> is needed. 408 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 409 410 public static final class SharedLibraryEntry { 411 public final String path; 412 public final String apk; 413 414 SharedLibraryEntry(String _path, String _apk) { 415 path = _path; 416 apk = _apk; 417 } 418 } 419 420 // Currently known shared libraries. 421 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 422 new ArrayMap<String, SharedLibraryEntry>(); 423 424 // All available activities, for your resolving pleasure. 425 final ActivityIntentResolver mActivities = 426 new ActivityIntentResolver(); 427 428 // All available receivers, for your resolving pleasure. 429 final ActivityIntentResolver mReceivers = 430 new ActivityIntentResolver(); 431 432 // All available services, for your resolving pleasure. 433 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 434 435 // All available providers, for your resolving pleasure. 436 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 437 438 // Mapping from provider base names (first directory in content URI codePath) 439 // to the provider information. 440 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 441 new ArrayMap<String, PackageParser.Provider>(); 442 443 // Mapping from instrumentation class names to info about them. 444 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 445 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 446 447 // Mapping from permission names to info about them. 448 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 449 new ArrayMap<String, PackageParser.PermissionGroup>(); 450 451 // Packages whose data we have transfered into another package, thus 452 // should no longer exist. 453 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 454 455 // Broadcast actions that are only available to the system. 456 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 457 458 /** List of packages waiting for verification. */ 459 final SparseArray<PackageVerificationState> mPendingVerification 460 = new SparseArray<PackageVerificationState>(); 461 462 /** Set of packages associated with each app op permission. */ 463 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 464 465 final PackageInstallerService mInstallerService; 466 467 private final PackageDexOptimizer mPackageDexOptimizer; 468 // Cache of users who need badging. 469 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 volatile boolean mSystemReady; 475 volatile boolean mSafeMode; 476 volatile boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new ArrayMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsHistoricalPackageUsageAvailable = true; 626 627 boolean isHistoricalPackageUsageAvailable() { 628 return mIsHistoricalPackageUsageAvailable; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsHistoricalPackageUsageAvailable = false; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 Bundle extras = extrasForInstallResult(res); 1082 args.observer.onPackageInstalled(res.name, res.returnCode, 1083 res.returnMsg, extras); 1084 } catch (RemoteException e) { 1085 Slog.i(TAG, "Observer no longer exists."); 1086 } 1087 } 1088 } else { 1089 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1090 } 1091 } break; 1092 case UPDATED_MEDIA_STATUS: { 1093 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1094 boolean reportStatus = msg.arg1 == 1; 1095 boolean doGc = msg.arg2 == 1; 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1097 if (doGc) { 1098 // Force a gc to clear up stale containers. 1099 Runtime.getRuntime().gc(); 1100 } 1101 if (msg.obj != null) { 1102 @SuppressWarnings("unchecked") 1103 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1104 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1105 // Unload containers 1106 unloadAllContainers(args); 1107 } 1108 if (reportStatus) { 1109 try { 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1111 PackageHelper.getMountService().finishMediaUpdate(); 1112 } catch (RemoteException e) { 1113 Log.e(TAG, "MountService not running?"); 1114 } 1115 } 1116 } break; 1117 case WRITE_SETTINGS: { 1118 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1119 synchronized (mPackages) { 1120 removeMessages(WRITE_SETTINGS); 1121 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1122 mSettings.writeLPr(); 1123 mDirtyUsers.clear(); 1124 } 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } break; 1127 case WRITE_PACKAGE_RESTRICTIONS: { 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1129 synchronized (mPackages) { 1130 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1131 for (int userId : mDirtyUsers) { 1132 mSettings.writePackageRestrictionsLPr(userId); 1133 } 1134 mDirtyUsers.clear(); 1135 } 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 } break; 1138 case CHECK_PENDING_VERIFICATION: { 1139 final int verificationId = msg.arg1; 1140 final PackageVerificationState state = mPendingVerification.get(verificationId); 1141 1142 if ((state != null) && !state.timeoutExtended()) { 1143 final InstallArgs args = state.getInstallArgs(); 1144 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1145 1146 Slog.i(TAG, "Verification timed out for " + originUri); 1147 mPendingVerification.remove(verificationId); 1148 1149 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1150 1151 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1152 Slog.i(TAG, "Continuing with installation of " + originUri); 1153 state.setVerifierResponse(Binder.getCallingUid(), 1154 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1155 broadcastPackageVerified(verificationId, originUri, 1156 PackageManager.VERIFICATION_ALLOW, 1157 state.getInstallArgs().getUser()); 1158 try { 1159 ret = args.copyApk(mContainerService, true); 1160 } catch (RemoteException e) { 1161 Slog.e(TAG, "Could not contact the ContainerService"); 1162 } 1163 } else { 1164 broadcastPackageVerified(verificationId, originUri, 1165 PackageManager.VERIFICATION_REJECT, 1166 state.getInstallArgs().getUser()); 1167 } 1168 1169 processPendingInstall(args, ret); 1170 mHandler.sendEmptyMessage(MCS_UNBIND); 1171 } 1172 break; 1173 } 1174 case PACKAGE_VERIFIED: { 1175 final int verificationId = msg.arg1; 1176 1177 final PackageVerificationState state = mPendingVerification.get(verificationId); 1178 if (state == null) { 1179 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1180 break; 1181 } 1182 1183 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1184 1185 state.setVerifierResponse(response.callerUid, response.code); 1186 1187 if (state.isVerificationComplete()) { 1188 mPendingVerification.remove(verificationId); 1189 1190 final InstallArgs args = state.getInstallArgs(); 1191 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1192 1193 int ret; 1194 if (state.isInstallAllowed()) { 1195 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1196 broadcastPackageVerified(verificationId, originUri, 1197 response.code, state.getInstallArgs().getUser()); 1198 try { 1199 ret = args.copyApk(mContainerService, true); 1200 } catch (RemoteException e) { 1201 Slog.e(TAG, "Could not contact the ContainerService"); 1202 } 1203 } else { 1204 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1205 } 1206 1207 processPendingInstall(args, ret); 1208 1209 mHandler.sendEmptyMessage(MCS_UNBIND); 1210 } 1211 1212 break; 1213 } 1214 } 1215 } 1216 } 1217 1218 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1219 Bundle extras = null; 1220 switch (res.returnCode) { 1221 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1222 extras = new Bundle(); 1223 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1224 res.origPermission); 1225 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1226 res.origPackage); 1227 break; 1228 } 1229 } 1230 return extras; 1231 } 1232 1233 void scheduleWriteSettingsLocked() { 1234 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1235 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1236 } 1237 } 1238 1239 void scheduleWritePackageRestrictionsLocked(int userId) { 1240 if (!sUserManager.exists(userId)) return; 1241 mDirtyUsers.add(userId); 1242 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1243 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1244 } 1245 } 1246 1247 public static final PackageManagerService main(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 PackageManagerService m = new PackageManagerService(context, installer, 1250 factoryTest, onlyCore); 1251 ServiceManager.addService("package", m); 1252 return m; 1253 } 1254 1255 static String[] splitString(String str, char sep) { 1256 int count = 1; 1257 int i = 0; 1258 while ((i=str.indexOf(sep, i)) >= 0) { 1259 count++; 1260 i++; 1261 } 1262 1263 String[] res = new String[count]; 1264 i=0; 1265 count = 0; 1266 int lastI=0; 1267 while ((i=str.indexOf(sep, i)) >= 0) { 1268 res[count] = str.substring(lastI, i); 1269 count++; 1270 i++; 1271 lastI = i; 1272 } 1273 res[count] = str.substring(lastI, str.length()); 1274 return res; 1275 } 1276 1277 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1278 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1279 Context.DISPLAY_SERVICE); 1280 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1281 } 1282 1283 public PackageManagerService(Context context, Installer installer, 1284 boolean factoryTest, boolean onlyCore) { 1285 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1286 SystemClock.uptimeMillis()); 1287 1288 if (mSdkVersion <= 0) { 1289 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1290 } 1291 1292 mContext = context; 1293 mFactoryTest = factoryTest; 1294 mOnlyCore = onlyCore; 1295 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1296 mMetrics = new DisplayMetrics(); 1297 mSettings = new Settings(context); 1298 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1299 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1300 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1301 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1302 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1303 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1304 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1305 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1306 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1307 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1308 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1309 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1310 1311 // TODO: add a property to control this? 1312 long dexOptLRUThresholdInMinutes; 1313 if (mLazyDexOpt) { 1314 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1315 } else { 1316 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1317 } 1318 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1319 1320 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1321 if (separateProcesses != null && separateProcesses.length() > 0) { 1322 if ("*".equals(separateProcesses)) { 1323 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1324 mSeparateProcesses = null; 1325 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = separateProcesses.split(","); 1329 Slog.w(TAG, "Running with debug.separate_processes: " 1330 + separateProcesses); 1331 } 1332 } else { 1333 mDefParseFlags = 0; 1334 mSeparateProcesses = null; 1335 } 1336 1337 mInstaller = installer; 1338 mPackageDexOptimizer = new PackageDexOptimizer(this); 1339 1340 getDefaultDisplayMetrics(context, mMetrics); 1341 1342 SystemConfig systemConfig = SystemConfig.getInstance(); 1343 mGlobalGids = systemConfig.getGlobalGids(); 1344 mSystemPermissions = systemConfig.getSystemPermissions(); 1345 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1346 1347 synchronized (mInstallLock) { 1348 // writer 1349 synchronized (mPackages) { 1350 mHandlerThread = new ServiceThread(TAG, 1351 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1352 mHandlerThread.start(); 1353 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1354 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1355 1356 File dataDir = Environment.getDataDirectory(); 1357 mAppDataDir = new File(dataDir, "data"); 1358 mAppInstallDir = new File(dataDir, "app"); 1359 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1360 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1361 mUserAppDataDir = new File(dataDir, "user"); 1362 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1363 1364 sUserManager = new UserManagerService(context, this, 1365 mInstallLock, mPackages); 1366 1367 // Propagate permission configuration in to package manager. 1368 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1369 = systemConfig.getPermissions(); 1370 for (int i=0; i<permConfig.size(); i++) { 1371 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1372 BasePermission bp = mSettings.mPermissions.get(perm.name); 1373 if (bp == null) { 1374 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1375 mSettings.mPermissions.put(perm.name, bp); 1376 } 1377 if (perm.gids != null) { 1378 bp.gids = appendInts(bp.gids, perm.gids); 1379 } 1380 } 1381 1382 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1383 for (int i=0; i<libConfig.size(); i++) { 1384 mSharedLibraries.put(libConfig.keyAt(i), 1385 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1386 } 1387 1388 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1389 1390 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1391 mSdkVersion, mOnlyCore); 1392 1393 String customResolverActivity = Resources.getSystem().getString( 1394 R.string.config_customResolverActivity); 1395 if (TextUtils.isEmpty(customResolverActivity)) { 1396 customResolverActivity = null; 1397 } else { 1398 mCustomResolverComponentName = ComponentName.unflattenFromString( 1399 customResolverActivity); 1400 } 1401 1402 long startTime = SystemClock.uptimeMillis(); 1403 1404 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1405 startTime); 1406 1407 // Set flag to monitor and not change apk file paths when 1408 // scanning install directories. 1409 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1410 1411 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1412 1413 /** 1414 * Add everything in the in the boot class path to the 1415 * list of process files because dexopt will have been run 1416 * if necessary during zygote startup. 1417 */ 1418 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1419 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1420 1421 if (bootClassPath != null) { 1422 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1423 for (String element : bootClassPathElements) { 1424 alreadyDexOpted.add(element); 1425 } 1426 } else { 1427 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1428 } 1429 1430 if (systemServerClassPath != null) { 1431 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1432 for (String element : systemServerClassPathElements) { 1433 alreadyDexOpted.add(element); 1434 } 1435 } else { 1436 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1437 } 1438 1439 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1440 final String[] dexCodeInstructionSets = 1441 getDexCodeInstructionSets( 1442 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1443 1444 /** 1445 * Ensure all external libraries have had dexopt run on them. 1446 */ 1447 if (mSharedLibraries.size() > 0) { 1448 // NOTE: For now, we're compiling these system "shared libraries" 1449 // (and framework jars) into all available architectures. It's possible 1450 // to compile them only when we come across an app that uses them (there's 1451 // already logic for that in scanPackageLI) but that adds some complexity. 1452 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1453 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1454 final String lib = libEntry.path; 1455 if (lib == null) { 1456 continue; 1457 } 1458 1459 try { 1460 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1461 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1462 alreadyDexOpted.add(lib); 1463 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1464 } 1465 } catch (FileNotFoundException e) { 1466 Slog.w(TAG, "Library not found: " + lib); 1467 } catch (IOException e) { 1468 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1469 + e.getMessage()); 1470 } 1471 } 1472 } 1473 } 1474 1475 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1476 1477 // Gross hack for now: we know this file doesn't contain any 1478 // code, so don't dexopt it to avoid the resulting log spew. 1479 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1480 1481 // Gross hack for now: we know this file is only part of 1482 // the boot class path for art, so don't dexopt it to 1483 // avoid the resulting log spew. 1484 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1485 1486 /** 1487 * And there are a number of commands implemented in Java, which 1488 * we currently need to do the dexopt on so that they can be 1489 * run from a non-root shell. 1490 */ 1491 String[] frameworkFiles = frameworkDir.list(); 1492 if (frameworkFiles != null) { 1493 // TODO: We could compile these only for the most preferred ABI. We should 1494 // first double check that the dex files for these commands are not referenced 1495 // by other system apps. 1496 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1497 for (int i=0; i<frameworkFiles.length; i++) { 1498 File libPath = new File(frameworkDir, frameworkFiles[i]); 1499 String path = libPath.getPath(); 1500 // Skip the file if we already did it. 1501 if (alreadyDexOpted.contains(path)) { 1502 continue; 1503 } 1504 // Skip the file if it is not a type we want to dexopt. 1505 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1506 continue; 1507 } 1508 try { 1509 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 1510 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1511 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1512 } 1513 } catch (FileNotFoundException e) { 1514 Slog.w(TAG, "Jar not found: " + path); 1515 } catch (IOException e) { 1516 Slog.w(TAG, "Exception reading jar: " + path, e); 1517 } 1518 } 1519 } 1520 } 1521 1522 // Collect vendor overlay packages. 1523 // (Do this before scanning any apps.) 1524 // For security and version matching reason, only consider 1525 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1526 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1527 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1528 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1529 1530 // Find base frameworks (resource packages without code). 1531 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1532 | PackageParser.PARSE_IS_SYSTEM_DIR 1533 | PackageParser.PARSE_IS_PRIVILEGED, 1534 scanFlags | SCAN_NO_DEX, 0); 1535 1536 // Collected privileged system packages. 1537 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1538 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR 1540 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1541 1542 // Collect ordinary system packages. 1543 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1544 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1546 1547 // Collect all vendor packages. 1548 File vendorAppDir = new File("/vendor/app"); 1549 try { 1550 vendorAppDir = vendorAppDir.getCanonicalFile(); 1551 } catch (IOException e) { 1552 // failed to look up canonical path, continue with original one 1553 } 1554 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1555 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1556 1557 // Collect all OEM packages. 1558 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1559 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1560 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1561 1562 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1563 mInstaller.moveFiles(); 1564 1565 // Prune any system packages that no longer exist. 1566 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1567 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1568 if (!mOnlyCore) { 1569 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1570 while (psit.hasNext()) { 1571 PackageSetting ps = psit.next(); 1572 1573 /* 1574 * If this is not a system app, it can't be a 1575 * disable system app. 1576 */ 1577 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1578 continue; 1579 } 1580 1581 /* 1582 * If the package is scanned, it's not erased. 1583 */ 1584 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1585 if (scannedPkg != null) { 1586 /* 1587 * If the system app is both scanned and in the 1588 * disabled packages list, then it must have been 1589 * added via OTA. Remove it from the currently 1590 * scanned package so the previously user-installed 1591 * application can be scanned. 1592 */ 1593 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1594 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1595 + ps.name + "; removing system app. Last known codePath=" 1596 + ps.codePathString + ", installStatus=" + ps.installStatus 1597 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1598 + scannedPkg.mVersionCode); 1599 removePackageLI(ps, true); 1600 expectingBetter.put(ps.name, ps.codePath); 1601 } 1602 1603 continue; 1604 } 1605 1606 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 psit.remove(); 1608 logCriticalInfo(Log.WARN, "System package " + ps.name 1609 + " no longer exists; wiping its data"); 1610 removeDataDirsLI(ps.name); 1611 } else { 1612 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1613 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1614 possiblyDeletedUpdatedSystemApps.add(ps.name); 1615 } 1616 } 1617 } 1618 } 1619 1620 //look for any incomplete package installations 1621 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1622 //clean up list 1623 for(int i = 0; i < deletePkgsList.size(); i++) { 1624 //clean up here 1625 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1626 } 1627 //delete tmp files 1628 deleteTempPackageFiles(); 1629 1630 // Remove any shared userIDs that have no associated packages 1631 mSettings.pruneSharedUsersLPw(); 1632 1633 if (!mOnlyCore) { 1634 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1635 SystemClock.uptimeMillis()); 1636 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1637 1638 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1639 scanFlags, 0); 1640 1641 /** 1642 * Remove disable package settings for any updated system 1643 * apps that were removed via an OTA. If they're not a 1644 * previously-updated app, remove them completely. 1645 * Otherwise, just revoke their system-level permissions. 1646 */ 1647 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1648 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1649 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1650 1651 String msg; 1652 if (deletedPkg == null) { 1653 msg = "Updated system package " + deletedAppName 1654 + " no longer exists; wiping its data"; 1655 removeDataDirsLI(deletedAppName); 1656 } else { 1657 msg = "Updated system app + " + deletedAppName 1658 + " no longer present; removing system privileges for " 1659 + deletedAppName; 1660 1661 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1662 1663 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1664 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1665 } 1666 logCriticalInfo(Log.WARN, msg); 1667 } 1668 1669 /** 1670 * Make sure all system apps that we expected to appear on 1671 * the userdata partition actually showed up. If they never 1672 * appeared, crawl back and revive the system version. 1673 */ 1674 for (int i = 0; i < expectingBetter.size(); i++) { 1675 final String packageName = expectingBetter.keyAt(i); 1676 if (!mPackages.containsKey(packageName)) { 1677 final File scanFile = expectingBetter.valueAt(i); 1678 1679 logCriticalInfo(Log.WARN, "Expected better " + packageName 1680 + " but never showed up; reverting to system"); 1681 1682 final int reparseFlags; 1683 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1684 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1685 | PackageParser.PARSE_IS_SYSTEM_DIR 1686 | PackageParser.PARSE_IS_PRIVILEGED; 1687 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1688 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1689 | PackageParser.PARSE_IS_SYSTEM_DIR; 1690 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1691 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1692 | PackageParser.PARSE_IS_SYSTEM_DIR; 1693 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1694 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1695 | PackageParser.PARSE_IS_SYSTEM_DIR; 1696 } else { 1697 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1698 continue; 1699 } 1700 1701 mSettings.enableSystemPackageLPw(packageName); 1702 1703 try { 1704 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1705 } catch (PackageManagerException e) { 1706 Slog.e(TAG, "Failed to parse original system package: " 1707 + e.getMessage()); 1708 } 1709 } 1710 } 1711 } 1712 1713 // Now that we know all of the shared libraries, update all clients to have 1714 // the correct library paths. 1715 updateAllSharedLibrariesLPw(); 1716 1717 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1718 // NOTE: We ignore potential failures here during a system scan (like 1719 // the rest of the commands above) because there's precious little we 1720 // can do about it. A settings error is reported, though. 1721 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1722 false /* force dexopt */, false /* defer dexopt */); 1723 } 1724 1725 // Now that we know all the packages we are keeping, 1726 // read and update their last usage times. 1727 mPackageUsage.readLP(); 1728 1729 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1730 SystemClock.uptimeMillis()); 1731 Slog.i(TAG, "Time to scan packages: " 1732 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1733 + " seconds"); 1734 1735 // If the platform SDK has changed since the last time we booted, 1736 // we need to re-grant app permission to catch any new ones that 1737 // appear. This is really a hack, and means that apps can in some 1738 // cases get permissions that the user didn't initially explicitly 1739 // allow... it would be nice to have some better way to handle 1740 // this situation. 1741 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1742 != mSdkVersion; 1743 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1744 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1745 + "; regranting permissions for internal storage"); 1746 mSettings.mInternalSdkPlatform = mSdkVersion; 1747 1748 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1749 | (regrantPermissions 1750 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1751 : 0)); 1752 1753 // If this is the first boot, and it is a normal boot, then 1754 // we need to initialize the default preferred apps. 1755 if (!mRestoredSettings && !onlyCore) { 1756 mSettings.readDefaultPreferredAppsLPw(this, 0); 1757 } 1758 1759 // If this is first boot after an OTA, and a normal boot, then 1760 // we need to clear code cache directories. 1761 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1762 if (mIsUpgrade && !onlyCore) { 1763 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1764 for (String pkgName : mSettings.mPackages.keySet()) { 1765 deleteCodeCacheDirsLI(pkgName); 1766 } 1767 mSettings.mFingerprint = Build.FINGERPRINT; 1768 } 1769 1770 // All the changes are done during package scanning. 1771 mSettings.updateInternalDatabaseVersion(); 1772 1773 // can downgrade to reader 1774 mSettings.writeLPr(); 1775 1776 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1777 SystemClock.uptimeMillis()); 1778 1779 1780 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1781 } // synchronized (mPackages) 1782 } // synchronized (mInstallLock) 1783 1784 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1785 1786 // Now after opening every single application zip, make sure they 1787 // are all flushed. Not really needed, but keeps things nice and 1788 // tidy. 1789 Runtime.getRuntime().gc(); 1790 } 1791 1792 @Override 1793 public boolean isFirstBoot() { 1794 return !mRestoredSettings; 1795 } 1796 1797 @Override 1798 public boolean isOnlyCoreApps() { 1799 return mOnlyCore; 1800 } 1801 1802 @Override 1803 public boolean isUpgrade() { 1804 return mIsUpgrade; 1805 } 1806 1807 private String getRequiredVerifierLPr() { 1808 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1809 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1810 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1811 1812 String requiredVerifier = null; 1813 1814 final int N = receivers.size(); 1815 for (int i = 0; i < N; i++) { 1816 final ResolveInfo info = receivers.get(i); 1817 1818 if (info.activityInfo == null) { 1819 continue; 1820 } 1821 1822 final String packageName = info.activityInfo.packageName; 1823 1824 final PackageSetting ps = mSettings.mPackages.get(packageName); 1825 if (ps == null) { 1826 continue; 1827 } 1828 1829 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1830 if (!gp.grantedPermissions 1831 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1832 continue; 1833 } 1834 1835 if (requiredVerifier != null) { 1836 throw new RuntimeException("There can be only one required verifier"); 1837 } 1838 1839 requiredVerifier = packageName; 1840 } 1841 1842 return requiredVerifier; 1843 } 1844 1845 @Override 1846 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1847 throws RemoteException { 1848 try { 1849 return super.onTransact(code, data, reply, flags); 1850 } catch (RuntimeException e) { 1851 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1852 Slog.wtf(TAG, "Package Manager Crash", e); 1853 } 1854 throw e; 1855 } 1856 } 1857 1858 void cleanupInstallFailedPackage(PackageSetting ps) { 1859 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1860 1861 removeDataDirsLI(ps.name); 1862 if (ps.codePath != null) { 1863 if (ps.codePath.isDirectory()) { 1864 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 1865 } else { 1866 ps.codePath.delete(); 1867 } 1868 } 1869 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1870 if (ps.resourcePath.isDirectory()) { 1871 FileUtils.deleteContents(ps.resourcePath); 1872 } 1873 ps.resourcePath.delete(); 1874 } 1875 mSettings.removePackageLPw(ps.name); 1876 } 1877 1878 static int[] appendInts(int[] cur, int[] add) { 1879 if (add == null) return cur; 1880 if (cur == null) return add; 1881 final int N = add.length; 1882 for (int i=0; i<N; i++) { 1883 cur = appendInt(cur, add[i]); 1884 } 1885 return cur; 1886 } 1887 1888 static int[] removeInts(int[] cur, int[] rem) { 1889 if (rem == null) return cur; 1890 if (cur == null) return cur; 1891 final int N = rem.length; 1892 for (int i=0; i<N; i++) { 1893 cur = removeInt(cur, rem[i]); 1894 } 1895 return cur; 1896 } 1897 1898 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1899 if (!sUserManager.exists(userId)) return null; 1900 final PackageSetting ps = (PackageSetting) p.mExtras; 1901 if (ps == null) { 1902 return null; 1903 } 1904 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1905 final PackageUserState state = ps.readUserState(userId); 1906 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1907 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1908 state, userId); 1909 } 1910 1911 @Override 1912 public boolean isPackageAvailable(String packageName, int userId) { 1913 if (!sUserManager.exists(userId)) return false; 1914 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1915 synchronized (mPackages) { 1916 PackageParser.Package p = mPackages.get(packageName); 1917 if (p != null) { 1918 final PackageSetting ps = (PackageSetting) p.mExtras; 1919 if (ps != null) { 1920 final PackageUserState state = ps.readUserState(userId); 1921 if (state != null) { 1922 return PackageParser.isAvailable(state); 1923 } 1924 } 1925 } 1926 } 1927 return false; 1928 } 1929 1930 @Override 1931 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1932 if (!sUserManager.exists(userId)) return null; 1933 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1934 // reader 1935 synchronized (mPackages) { 1936 PackageParser.Package p = mPackages.get(packageName); 1937 if (DEBUG_PACKAGE_INFO) 1938 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1939 if (p != null) { 1940 return generatePackageInfo(p, flags, userId); 1941 } 1942 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1943 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1944 } 1945 } 1946 return null; 1947 } 1948 1949 @Override 1950 public String[] currentToCanonicalPackageNames(String[] names) { 1951 String[] out = new String[names.length]; 1952 // reader 1953 synchronized (mPackages) { 1954 for (int i=names.length-1; i>=0; i--) { 1955 PackageSetting ps = mSettings.mPackages.get(names[i]); 1956 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1957 } 1958 } 1959 return out; 1960 } 1961 1962 @Override 1963 public String[] canonicalToCurrentPackageNames(String[] names) { 1964 String[] out = new String[names.length]; 1965 // reader 1966 synchronized (mPackages) { 1967 for (int i=names.length-1; i>=0; i--) { 1968 String cur = mSettings.mRenamedPackages.get(names[i]); 1969 out[i] = cur != null ? cur : names[i]; 1970 } 1971 } 1972 return out; 1973 } 1974 1975 @Override 1976 public int getPackageUid(String packageName, int userId) { 1977 if (!sUserManager.exists(userId)) return -1; 1978 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1979 // reader 1980 synchronized (mPackages) { 1981 PackageParser.Package p = mPackages.get(packageName); 1982 if(p != null) { 1983 return UserHandle.getUid(userId, p.applicationInfo.uid); 1984 } 1985 PackageSetting ps = mSettings.mPackages.get(packageName); 1986 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1987 return -1; 1988 } 1989 p = ps.pkg; 1990 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1991 } 1992 } 1993 1994 @Override 1995 public int[] getPackageGids(String packageName) { 1996 // reader 1997 synchronized (mPackages) { 1998 PackageParser.Package p = mPackages.get(packageName); 1999 if (DEBUG_PACKAGE_INFO) 2000 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2001 if (p != null) { 2002 final PackageSetting ps = (PackageSetting)p.mExtras; 2003 return ps.getGids(); 2004 } 2005 } 2006 // stupid thing to indicate an error. 2007 return new int[0]; 2008 } 2009 2010 static final PermissionInfo generatePermissionInfo( 2011 BasePermission bp, int flags) { 2012 if (bp.perm != null) { 2013 return PackageParser.generatePermissionInfo(bp.perm, flags); 2014 } 2015 PermissionInfo pi = new PermissionInfo(); 2016 pi.name = bp.name; 2017 pi.packageName = bp.sourcePackage; 2018 pi.nonLocalizedLabel = bp.name; 2019 pi.protectionLevel = bp.protectionLevel; 2020 return pi; 2021 } 2022 2023 @Override 2024 public PermissionInfo getPermissionInfo(String name, int flags) { 2025 // reader 2026 synchronized (mPackages) { 2027 final BasePermission p = mSettings.mPermissions.get(name); 2028 if (p != null) { 2029 return generatePermissionInfo(p, flags); 2030 } 2031 return null; 2032 } 2033 } 2034 2035 @Override 2036 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2037 // reader 2038 synchronized (mPackages) { 2039 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2040 for (BasePermission p : mSettings.mPermissions.values()) { 2041 if (group == null) { 2042 if (p.perm == null || p.perm.info.group == null) { 2043 out.add(generatePermissionInfo(p, flags)); 2044 } 2045 } else { 2046 if (p.perm != null && group.equals(p.perm.info.group)) { 2047 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2048 } 2049 } 2050 } 2051 2052 if (out.size() > 0) { 2053 return out; 2054 } 2055 return mPermissionGroups.containsKey(group) ? out : null; 2056 } 2057 } 2058 2059 @Override 2060 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2061 // reader 2062 synchronized (mPackages) { 2063 return PackageParser.generatePermissionGroupInfo( 2064 mPermissionGroups.get(name), flags); 2065 } 2066 } 2067 2068 @Override 2069 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2070 // reader 2071 synchronized (mPackages) { 2072 final int N = mPermissionGroups.size(); 2073 ArrayList<PermissionGroupInfo> out 2074 = new ArrayList<PermissionGroupInfo>(N); 2075 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2076 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2077 } 2078 return out; 2079 } 2080 } 2081 2082 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2083 int userId) { 2084 if (!sUserManager.exists(userId)) return null; 2085 PackageSetting ps = mSettings.mPackages.get(packageName); 2086 if (ps != null) { 2087 if (ps.pkg == null) { 2088 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2089 flags, userId); 2090 if (pInfo != null) { 2091 return pInfo.applicationInfo; 2092 } 2093 return null; 2094 } 2095 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2096 ps.readUserState(userId), userId); 2097 } 2098 return null; 2099 } 2100 2101 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2102 int userId) { 2103 if (!sUserManager.exists(userId)) return null; 2104 PackageSetting ps = mSettings.mPackages.get(packageName); 2105 if (ps != null) { 2106 PackageParser.Package pkg = ps.pkg; 2107 if (pkg == null) { 2108 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2109 return null; 2110 } 2111 // Only data remains, so we aren't worried about code paths 2112 pkg = new PackageParser.Package(packageName); 2113 pkg.applicationInfo.packageName = packageName; 2114 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2115 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2116 pkg.applicationInfo.dataDir = 2117 getDataPathForPackage(packageName, 0).getPath(); 2118 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2119 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2120 } 2121 return generatePackageInfo(pkg, flags, userId); 2122 } 2123 return null; 2124 } 2125 2126 @Override 2127 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2128 if (!sUserManager.exists(userId)) return null; 2129 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2130 // writer 2131 synchronized (mPackages) { 2132 PackageParser.Package p = mPackages.get(packageName); 2133 if (DEBUG_PACKAGE_INFO) Log.v( 2134 TAG, "getApplicationInfo " + packageName 2135 + ": " + p); 2136 if (p != null) { 2137 PackageSetting ps = mSettings.mPackages.get(packageName); 2138 if (ps == null) return null; 2139 // Note: isEnabledLP() does not apply here - always return info 2140 return PackageParser.generateApplicationInfo( 2141 p, flags, ps.readUserState(userId), userId); 2142 } 2143 if ("android".equals(packageName)||"system".equals(packageName)) { 2144 return mAndroidApplication; 2145 } 2146 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2147 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2148 } 2149 } 2150 return null; 2151 } 2152 2153 2154 @Override 2155 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2156 mContext.enforceCallingOrSelfPermission( 2157 android.Manifest.permission.CLEAR_APP_CACHE, null); 2158 // Queue up an async operation since clearing cache may take a little while. 2159 mHandler.post(new Runnable() { 2160 public void run() { 2161 mHandler.removeCallbacks(this); 2162 int retCode = -1; 2163 synchronized (mInstallLock) { 2164 retCode = mInstaller.freeCache(freeStorageSize); 2165 if (retCode < 0) { 2166 Slog.w(TAG, "Couldn't clear application caches"); 2167 } 2168 } 2169 if (observer != null) { 2170 try { 2171 observer.onRemoveCompleted(null, (retCode >= 0)); 2172 } catch (RemoteException e) { 2173 Slog.w(TAG, "RemoveException when invoking call back"); 2174 } 2175 } 2176 } 2177 }); 2178 } 2179 2180 @Override 2181 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2182 mContext.enforceCallingOrSelfPermission( 2183 android.Manifest.permission.CLEAR_APP_CACHE, null); 2184 // Queue up an async operation since clearing cache may take a little while. 2185 mHandler.post(new Runnable() { 2186 public void run() { 2187 mHandler.removeCallbacks(this); 2188 int retCode = -1; 2189 synchronized (mInstallLock) { 2190 retCode = mInstaller.freeCache(freeStorageSize); 2191 if (retCode < 0) { 2192 Slog.w(TAG, "Couldn't clear application caches"); 2193 } 2194 } 2195 if(pi != null) { 2196 try { 2197 // Callback via pending intent 2198 int code = (retCode >= 0) ? 1 : 0; 2199 pi.sendIntent(null, code, null, 2200 null, null); 2201 } catch (SendIntentException e1) { 2202 Slog.i(TAG, "Failed to send pending intent"); 2203 } 2204 } 2205 } 2206 }); 2207 } 2208 2209 void freeStorage(long freeStorageSize) throws IOException { 2210 synchronized (mInstallLock) { 2211 if (mInstaller.freeCache(freeStorageSize) < 0) { 2212 throw new IOException("Failed to free enough space"); 2213 } 2214 } 2215 } 2216 2217 @Override 2218 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2219 if (!sUserManager.exists(userId)) return null; 2220 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2221 synchronized (mPackages) { 2222 PackageParser.Activity a = mActivities.mActivities.get(component); 2223 2224 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2225 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2226 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2227 if (ps == null) return null; 2228 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2229 userId); 2230 } 2231 if (mResolveComponentName.equals(component)) { 2232 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2233 new PackageUserState(), userId); 2234 } 2235 } 2236 return null; 2237 } 2238 2239 @Override 2240 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2241 String resolvedType) { 2242 synchronized (mPackages) { 2243 PackageParser.Activity a = mActivities.mActivities.get(component); 2244 if (a == null) { 2245 return false; 2246 } 2247 for (int i=0; i<a.intents.size(); i++) { 2248 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2249 intent.getData(), intent.getCategories(), TAG) >= 0) { 2250 return true; 2251 } 2252 } 2253 return false; 2254 } 2255 } 2256 2257 @Override 2258 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2259 if (!sUserManager.exists(userId)) return null; 2260 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2261 synchronized (mPackages) { 2262 PackageParser.Activity a = mReceivers.mActivities.get(component); 2263 if (DEBUG_PACKAGE_INFO) Log.v( 2264 TAG, "getReceiverInfo " + component + ": " + a); 2265 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2266 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2267 if (ps == null) return null; 2268 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2269 userId); 2270 } 2271 } 2272 return null; 2273 } 2274 2275 @Override 2276 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2277 if (!sUserManager.exists(userId)) return null; 2278 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2279 synchronized (mPackages) { 2280 PackageParser.Service s = mServices.mServices.get(component); 2281 if (DEBUG_PACKAGE_INFO) Log.v( 2282 TAG, "getServiceInfo " + component + ": " + s); 2283 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2284 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2285 if (ps == null) return null; 2286 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2287 userId); 2288 } 2289 } 2290 return null; 2291 } 2292 2293 @Override 2294 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2295 if (!sUserManager.exists(userId)) return null; 2296 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2297 synchronized (mPackages) { 2298 PackageParser.Provider p = mProviders.mProviders.get(component); 2299 if (DEBUG_PACKAGE_INFO) Log.v( 2300 TAG, "getProviderInfo " + component + ": " + p); 2301 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2302 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2303 if (ps == null) return null; 2304 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2305 userId); 2306 } 2307 } 2308 return null; 2309 } 2310 2311 @Override 2312 public String[] getSystemSharedLibraryNames() { 2313 Set<String> libSet; 2314 synchronized (mPackages) { 2315 libSet = mSharedLibraries.keySet(); 2316 int size = libSet.size(); 2317 if (size > 0) { 2318 String[] libs = new String[size]; 2319 libSet.toArray(libs); 2320 return libs; 2321 } 2322 } 2323 return null; 2324 } 2325 2326 /** 2327 * @hide 2328 */ 2329 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2330 synchronized (mPackages) { 2331 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2332 if (lib != null && lib.apk != null) { 2333 return mPackages.get(lib.apk); 2334 } 2335 } 2336 return null; 2337 } 2338 2339 @Override 2340 public FeatureInfo[] getSystemAvailableFeatures() { 2341 Collection<FeatureInfo> featSet; 2342 synchronized (mPackages) { 2343 featSet = mAvailableFeatures.values(); 2344 int size = featSet.size(); 2345 if (size > 0) { 2346 FeatureInfo[] features = new FeatureInfo[size+1]; 2347 featSet.toArray(features); 2348 FeatureInfo fi = new FeatureInfo(); 2349 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2350 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2351 features[size] = fi; 2352 return features; 2353 } 2354 } 2355 return null; 2356 } 2357 2358 @Override 2359 public boolean hasSystemFeature(String name) { 2360 synchronized (mPackages) { 2361 return mAvailableFeatures.containsKey(name); 2362 } 2363 } 2364 2365 private void checkValidCaller(int uid, int userId) { 2366 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2367 return; 2368 2369 throw new SecurityException("Caller uid=" + uid 2370 + " is not privileged to communicate with user=" + userId); 2371 } 2372 2373 @Override 2374 public int checkPermission(String permName, String pkgName) { 2375 synchronized (mPackages) { 2376 PackageParser.Package p = mPackages.get(pkgName); 2377 if (p != null && p.mExtras != null) { 2378 PackageSetting ps = (PackageSetting)p.mExtras; 2379 if (ps.sharedUser != null) { 2380 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2381 return PackageManager.PERMISSION_GRANTED; 2382 } 2383 } else if (ps.grantedPermissions.contains(permName)) { 2384 return PackageManager.PERMISSION_GRANTED; 2385 } 2386 } 2387 } 2388 return PackageManager.PERMISSION_DENIED; 2389 } 2390 2391 @Override 2392 public int checkUidPermission(String permName, int uid) { 2393 synchronized (mPackages) { 2394 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2395 if (obj != null) { 2396 GrantedPermissions gp = (GrantedPermissions)obj; 2397 if (gp.grantedPermissions.contains(permName)) { 2398 return PackageManager.PERMISSION_GRANTED; 2399 } 2400 } else { 2401 ArraySet<String> perms = mSystemPermissions.get(uid); 2402 if (perms != null && perms.contains(permName)) { 2403 return PackageManager.PERMISSION_GRANTED; 2404 } 2405 } 2406 } 2407 return PackageManager.PERMISSION_DENIED; 2408 } 2409 2410 /** 2411 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2412 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2413 * @param checkShell TODO(yamasani): 2414 * @param message the message to log on security exception 2415 */ 2416 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2417 boolean checkShell, String message) { 2418 if (userId < 0) { 2419 throw new IllegalArgumentException("Invalid userId " + userId); 2420 } 2421 if (checkShell) { 2422 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2423 } 2424 if (userId == UserHandle.getUserId(callingUid)) return; 2425 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2426 if (requireFullPermission) { 2427 mContext.enforceCallingOrSelfPermission( 2428 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2429 } else { 2430 try { 2431 mContext.enforceCallingOrSelfPermission( 2432 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2433 } catch (SecurityException se) { 2434 mContext.enforceCallingOrSelfPermission( 2435 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2436 } 2437 } 2438 } 2439 } 2440 2441 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2442 if (callingUid == Process.SHELL_UID) { 2443 if (userHandle >= 0 2444 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2445 throw new SecurityException("Shell does not have permission to access user " 2446 + userHandle); 2447 } else if (userHandle < 0) { 2448 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2449 + Debug.getCallers(3)); 2450 } 2451 } 2452 } 2453 2454 private BasePermission findPermissionTreeLP(String permName) { 2455 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2456 if (permName.startsWith(bp.name) && 2457 permName.length() > bp.name.length() && 2458 permName.charAt(bp.name.length()) == '.') { 2459 return bp; 2460 } 2461 } 2462 return null; 2463 } 2464 2465 private BasePermission checkPermissionTreeLP(String permName) { 2466 if (permName != null) { 2467 BasePermission bp = findPermissionTreeLP(permName); 2468 if (bp != null) { 2469 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2470 return bp; 2471 } 2472 throw new SecurityException("Calling uid " 2473 + Binder.getCallingUid() 2474 + " is not allowed to add to permission tree " 2475 + bp.name + " owned by uid " + bp.uid); 2476 } 2477 } 2478 throw new SecurityException("No permission tree found for " + permName); 2479 } 2480 2481 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2482 if (s1 == null) { 2483 return s2 == null; 2484 } 2485 if (s2 == null) { 2486 return false; 2487 } 2488 if (s1.getClass() != s2.getClass()) { 2489 return false; 2490 } 2491 return s1.equals(s2); 2492 } 2493 2494 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2495 if (pi1.icon != pi2.icon) return false; 2496 if (pi1.logo != pi2.logo) return false; 2497 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2498 if (!compareStrings(pi1.name, pi2.name)) return false; 2499 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2500 // We'll take care of setting this one. 2501 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2502 // These are not currently stored in settings. 2503 //if (!compareStrings(pi1.group, pi2.group)) return false; 2504 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2505 //if (pi1.labelRes != pi2.labelRes) return false; 2506 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2507 return true; 2508 } 2509 2510 int permissionInfoFootprint(PermissionInfo info) { 2511 int size = info.name.length(); 2512 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2513 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2514 return size; 2515 } 2516 2517 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2518 int size = 0; 2519 for (BasePermission perm : mSettings.mPermissions.values()) { 2520 if (perm.uid == tree.uid) { 2521 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2522 } 2523 } 2524 return size; 2525 } 2526 2527 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2528 // We calculate the max size of permissions defined by this uid and throw 2529 // if that plus the size of 'info' would exceed our stated maximum. 2530 if (tree.uid != Process.SYSTEM_UID) { 2531 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2532 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2533 throw new SecurityException("Permission tree size cap exceeded"); 2534 } 2535 } 2536 } 2537 2538 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2539 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2540 throw new SecurityException("Label must be specified in permission"); 2541 } 2542 BasePermission tree = checkPermissionTreeLP(info.name); 2543 BasePermission bp = mSettings.mPermissions.get(info.name); 2544 boolean added = bp == null; 2545 boolean changed = true; 2546 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2547 if (added) { 2548 enforcePermissionCapLocked(info, tree); 2549 bp = new BasePermission(info.name, tree.sourcePackage, 2550 BasePermission.TYPE_DYNAMIC); 2551 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2552 throw new SecurityException( 2553 "Not allowed to modify non-dynamic permission " 2554 + info.name); 2555 } else { 2556 if (bp.protectionLevel == fixedLevel 2557 && bp.perm.owner.equals(tree.perm.owner) 2558 && bp.uid == tree.uid 2559 && comparePermissionInfos(bp.perm.info, info)) { 2560 changed = false; 2561 } 2562 } 2563 bp.protectionLevel = fixedLevel; 2564 info = new PermissionInfo(info); 2565 info.protectionLevel = fixedLevel; 2566 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2567 bp.perm.info.packageName = tree.perm.info.packageName; 2568 bp.uid = tree.uid; 2569 if (added) { 2570 mSettings.mPermissions.put(info.name, bp); 2571 } 2572 if (changed) { 2573 if (!async) { 2574 mSettings.writeLPr(); 2575 } else { 2576 scheduleWriteSettingsLocked(); 2577 } 2578 } 2579 return added; 2580 } 2581 2582 @Override 2583 public boolean addPermission(PermissionInfo info) { 2584 synchronized (mPackages) { 2585 return addPermissionLocked(info, false); 2586 } 2587 } 2588 2589 @Override 2590 public boolean addPermissionAsync(PermissionInfo info) { 2591 synchronized (mPackages) { 2592 return addPermissionLocked(info, true); 2593 } 2594 } 2595 2596 @Override 2597 public void removePermission(String name) { 2598 synchronized (mPackages) { 2599 checkPermissionTreeLP(name); 2600 BasePermission bp = mSettings.mPermissions.get(name); 2601 if (bp != null) { 2602 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2603 throw new SecurityException( 2604 "Not allowed to modify non-dynamic permission " 2605 + name); 2606 } 2607 mSettings.mPermissions.remove(name); 2608 mSettings.writeLPr(); 2609 } 2610 } 2611 } 2612 2613 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2614 int index = pkg.requestedPermissions.indexOf(bp.name); 2615 if (index == -1) { 2616 throw new SecurityException("Package " + pkg.packageName 2617 + " has not requested permission " + bp.name); 2618 } 2619 boolean isNormal = 2620 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2621 == PermissionInfo.PROTECTION_NORMAL); 2622 boolean isDangerous = 2623 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2624 == PermissionInfo.PROTECTION_DANGEROUS); 2625 boolean isDevelopment = 2626 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2627 2628 if (!isNormal && !isDangerous && !isDevelopment) { 2629 throw new SecurityException("Permission " + bp.name 2630 + " is not a changeable permission type"); 2631 } 2632 2633 if (isNormal || isDangerous) { 2634 if (pkg.requestedPermissionsRequired.get(index)) { 2635 throw new SecurityException("Can't change " + bp.name 2636 + ". It is required by the application"); 2637 } 2638 } 2639 } 2640 2641 @Override 2642 public void grantPermission(String packageName, String permissionName) { 2643 mContext.enforceCallingOrSelfPermission( 2644 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2645 synchronized (mPackages) { 2646 final PackageParser.Package pkg = mPackages.get(packageName); 2647 if (pkg == null) { 2648 throw new IllegalArgumentException("Unknown package: " + packageName); 2649 } 2650 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2651 if (bp == null) { 2652 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2653 } 2654 2655 checkGrantRevokePermissions(pkg, bp); 2656 2657 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2658 if (ps == null) { 2659 return; 2660 } 2661 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2662 if (gp.grantedPermissions.add(permissionName)) { 2663 if (ps.haveGids) { 2664 gp.gids = appendInts(gp.gids, bp.gids); 2665 } 2666 mSettings.writeLPr(); 2667 } 2668 } 2669 } 2670 2671 @Override 2672 public void revokePermission(String packageName, String permissionName) { 2673 int changedAppId = -1; 2674 2675 synchronized (mPackages) { 2676 final PackageParser.Package pkg = mPackages.get(packageName); 2677 if (pkg == null) { 2678 throw new IllegalArgumentException("Unknown package: " + packageName); 2679 } 2680 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2681 mContext.enforceCallingOrSelfPermission( 2682 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2683 } 2684 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2685 if (bp == null) { 2686 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2687 } 2688 2689 checkGrantRevokePermissions(pkg, bp); 2690 2691 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2692 if (ps == null) { 2693 return; 2694 } 2695 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2696 if (gp.grantedPermissions.remove(permissionName)) { 2697 gp.grantedPermissions.remove(permissionName); 2698 if (ps.haveGids) { 2699 gp.gids = removeInts(gp.gids, bp.gids); 2700 } 2701 mSettings.writeLPr(); 2702 changedAppId = ps.appId; 2703 } 2704 } 2705 2706 if (changedAppId >= 0) { 2707 // We changed the perm on someone, kill its processes. 2708 IActivityManager am = ActivityManagerNative.getDefault(); 2709 if (am != null) { 2710 final int callingUserId = UserHandle.getCallingUserId(); 2711 final long ident = Binder.clearCallingIdentity(); 2712 try { 2713 //XXX we should only revoke for the calling user's app permissions, 2714 // but for now we impact all users. 2715 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2716 // "revoke " + permissionName); 2717 int[] users = sUserManager.getUserIds(); 2718 for (int user : users) { 2719 am.killUid(UserHandle.getUid(user, changedAppId), 2720 "revoke " + permissionName); 2721 } 2722 } catch (RemoteException e) { 2723 } finally { 2724 Binder.restoreCallingIdentity(ident); 2725 } 2726 } 2727 } 2728 } 2729 2730 @Override 2731 public boolean isProtectedBroadcast(String actionName) { 2732 synchronized (mPackages) { 2733 return mProtectedBroadcasts.contains(actionName); 2734 } 2735 } 2736 2737 @Override 2738 public int checkSignatures(String pkg1, String pkg2) { 2739 synchronized (mPackages) { 2740 final PackageParser.Package p1 = mPackages.get(pkg1); 2741 final PackageParser.Package p2 = mPackages.get(pkg2); 2742 if (p1 == null || p1.mExtras == null 2743 || p2 == null || p2.mExtras == null) { 2744 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2745 } 2746 return compareSignatures(p1.mSignatures, p2.mSignatures); 2747 } 2748 } 2749 2750 @Override 2751 public int checkUidSignatures(int uid1, int uid2) { 2752 // Map to base uids. 2753 uid1 = UserHandle.getAppId(uid1); 2754 uid2 = UserHandle.getAppId(uid2); 2755 // reader 2756 synchronized (mPackages) { 2757 Signature[] s1; 2758 Signature[] s2; 2759 Object obj = mSettings.getUserIdLPr(uid1); 2760 if (obj != null) { 2761 if (obj instanceof SharedUserSetting) { 2762 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2763 } else if (obj instanceof PackageSetting) { 2764 s1 = ((PackageSetting)obj).signatures.mSignatures; 2765 } else { 2766 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2767 } 2768 } else { 2769 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2770 } 2771 obj = mSettings.getUserIdLPr(uid2); 2772 if (obj != null) { 2773 if (obj instanceof SharedUserSetting) { 2774 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2775 } else if (obj instanceof PackageSetting) { 2776 s2 = ((PackageSetting)obj).signatures.mSignatures; 2777 } else { 2778 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2779 } 2780 } else { 2781 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2782 } 2783 return compareSignatures(s1, s2); 2784 } 2785 } 2786 2787 /** 2788 * Compares two sets of signatures. Returns: 2789 * <br /> 2790 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2791 * <br /> 2792 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2793 * <br /> 2794 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2795 * <br /> 2796 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2797 * <br /> 2798 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2799 */ 2800 static int compareSignatures(Signature[] s1, Signature[] s2) { 2801 if (s1 == null) { 2802 return s2 == null 2803 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2804 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2805 } 2806 2807 if (s2 == null) { 2808 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2809 } 2810 2811 if (s1.length != s2.length) { 2812 return PackageManager.SIGNATURE_NO_MATCH; 2813 } 2814 2815 // Since both signature sets are of size 1, we can compare without HashSets. 2816 if (s1.length == 1) { 2817 return s1[0].equals(s2[0]) ? 2818 PackageManager.SIGNATURE_MATCH : 2819 PackageManager.SIGNATURE_NO_MATCH; 2820 } 2821 2822 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2823 for (Signature sig : s1) { 2824 set1.add(sig); 2825 } 2826 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2827 for (Signature sig : s2) { 2828 set2.add(sig); 2829 } 2830 // Make sure s2 contains all signatures in s1. 2831 if (set1.equals(set2)) { 2832 return PackageManager.SIGNATURE_MATCH; 2833 } 2834 return PackageManager.SIGNATURE_NO_MATCH; 2835 } 2836 2837 /** 2838 * If the database version for this type of package (internal storage or 2839 * external storage) is less than the version where package signatures 2840 * were updated, return true. 2841 */ 2842 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2843 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2844 DatabaseVersion.SIGNATURE_END_ENTITY)) 2845 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2846 DatabaseVersion.SIGNATURE_END_ENTITY)); 2847 } 2848 2849 /** 2850 * Used for backward compatibility to make sure any packages with 2851 * certificate chains get upgraded to the new style. {@code existingSigs} 2852 * will be in the old format (since they were stored on disk from before the 2853 * system upgrade) and {@code scannedSigs} will be in the newer format. 2854 */ 2855 private int compareSignaturesCompat(PackageSignatures existingSigs, 2856 PackageParser.Package scannedPkg) { 2857 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2858 return PackageManager.SIGNATURE_NO_MATCH; 2859 } 2860 2861 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2862 for (Signature sig : existingSigs.mSignatures) { 2863 existingSet.add(sig); 2864 } 2865 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2866 for (Signature sig : scannedPkg.mSignatures) { 2867 try { 2868 Signature[] chainSignatures = sig.getChainSignatures(); 2869 for (Signature chainSig : chainSignatures) { 2870 scannedCompatSet.add(chainSig); 2871 } 2872 } catch (CertificateEncodingException e) { 2873 scannedCompatSet.add(sig); 2874 } 2875 } 2876 /* 2877 * Make sure the expanded scanned set contains all signatures in the 2878 * existing one. 2879 */ 2880 if (scannedCompatSet.equals(existingSet)) { 2881 // Migrate the old signatures to the new scheme. 2882 existingSigs.assignSignatures(scannedPkg.mSignatures); 2883 // The new KeySets will be re-added later in the scanning process. 2884 synchronized (mPackages) { 2885 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2886 } 2887 return PackageManager.SIGNATURE_MATCH; 2888 } 2889 return PackageManager.SIGNATURE_NO_MATCH; 2890 } 2891 2892 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2893 if (isExternal(scannedPkg)) { 2894 return mSettings.isExternalDatabaseVersionOlderThan( 2895 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2896 } else { 2897 return mSettings.isInternalDatabaseVersionOlderThan( 2898 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2899 } 2900 } 2901 2902 private int compareSignaturesRecover(PackageSignatures existingSigs, 2903 PackageParser.Package scannedPkg) { 2904 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2905 return PackageManager.SIGNATURE_NO_MATCH; 2906 } 2907 2908 String msg = null; 2909 try { 2910 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2911 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2912 + scannedPkg.packageName); 2913 return PackageManager.SIGNATURE_MATCH; 2914 } 2915 } catch (CertificateException e) { 2916 msg = e.getMessage(); 2917 } 2918 2919 logCriticalInfo(Log.INFO, 2920 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2921 return PackageManager.SIGNATURE_NO_MATCH; 2922 } 2923 2924 @Override 2925 public String[] getPackagesForUid(int uid) { 2926 uid = UserHandle.getAppId(uid); 2927 // reader 2928 synchronized (mPackages) { 2929 Object obj = mSettings.getUserIdLPr(uid); 2930 if (obj instanceof SharedUserSetting) { 2931 final SharedUserSetting sus = (SharedUserSetting) obj; 2932 final int N = sus.packages.size(); 2933 final String[] res = new String[N]; 2934 final Iterator<PackageSetting> it = sus.packages.iterator(); 2935 int i = 0; 2936 while (it.hasNext()) { 2937 res[i++] = it.next().name; 2938 } 2939 return res; 2940 } else if (obj instanceof PackageSetting) { 2941 final PackageSetting ps = (PackageSetting) obj; 2942 return new String[] { ps.name }; 2943 } 2944 } 2945 return null; 2946 } 2947 2948 @Override 2949 public String getNameForUid(int uid) { 2950 // reader 2951 synchronized (mPackages) { 2952 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2953 if (obj instanceof SharedUserSetting) { 2954 final SharedUserSetting sus = (SharedUserSetting) obj; 2955 return sus.name + ":" + sus.userId; 2956 } else if (obj instanceof PackageSetting) { 2957 final PackageSetting ps = (PackageSetting) obj; 2958 return ps.name; 2959 } 2960 } 2961 return null; 2962 } 2963 2964 @Override 2965 public int getUidForSharedUser(String sharedUserName) { 2966 if(sharedUserName == null) { 2967 return -1; 2968 } 2969 // reader 2970 synchronized (mPackages) { 2971 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 2972 if (suid == null) { 2973 return -1; 2974 } 2975 return suid.userId; 2976 } 2977 } 2978 2979 @Override 2980 public int getFlagsForUid(int uid) { 2981 synchronized (mPackages) { 2982 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2983 if (obj instanceof SharedUserSetting) { 2984 final SharedUserSetting sus = (SharedUserSetting) obj; 2985 return sus.pkgFlags; 2986 } else if (obj instanceof PackageSetting) { 2987 final PackageSetting ps = (PackageSetting) obj; 2988 return ps.pkgFlags; 2989 } 2990 } 2991 return 0; 2992 } 2993 2994 @Override 2995 public int getPrivateFlagsForUid(int uid) { 2996 synchronized (mPackages) { 2997 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2998 if (obj instanceof SharedUserSetting) { 2999 final SharedUserSetting sus = (SharedUserSetting) obj; 3000 return sus.pkgPrivateFlags; 3001 } else if (obj instanceof PackageSetting) { 3002 final PackageSetting ps = (PackageSetting) obj; 3003 return ps.pkgPrivateFlags; 3004 } 3005 } 3006 return 0; 3007 } 3008 3009 @Override 3010 public boolean isUidPrivileged(int uid) { 3011 uid = UserHandle.getAppId(uid); 3012 // reader 3013 synchronized (mPackages) { 3014 Object obj = mSettings.getUserIdLPr(uid); 3015 if (obj instanceof SharedUserSetting) { 3016 final SharedUserSetting sus = (SharedUserSetting) obj; 3017 final Iterator<PackageSetting> it = sus.packages.iterator(); 3018 while (it.hasNext()) { 3019 if (it.next().isPrivileged()) { 3020 return true; 3021 } 3022 } 3023 } else if (obj instanceof PackageSetting) { 3024 final PackageSetting ps = (PackageSetting) obj; 3025 return ps.isPrivileged(); 3026 } 3027 } 3028 return false; 3029 } 3030 3031 @Override 3032 public String[] getAppOpPermissionPackages(String permissionName) { 3033 synchronized (mPackages) { 3034 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3035 if (pkgs == null) { 3036 return null; 3037 } 3038 return pkgs.toArray(new String[pkgs.size()]); 3039 } 3040 } 3041 3042 @Override 3043 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3044 int flags, int userId) { 3045 if (!sUserManager.exists(userId)) return null; 3046 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3047 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3048 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3049 } 3050 3051 @Override 3052 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3053 IntentFilter filter, int match, ComponentName activity) { 3054 final int userId = UserHandle.getCallingUserId(); 3055 if (DEBUG_PREFERRED) { 3056 Log.v(TAG, "setLastChosenActivity intent=" + intent 3057 + " resolvedType=" + resolvedType 3058 + " flags=" + flags 3059 + " filter=" + filter 3060 + " match=" + match 3061 + " activity=" + activity); 3062 filter.dump(new PrintStreamPrinter(System.out), " "); 3063 } 3064 intent.setComponent(null); 3065 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3066 // Find any earlier preferred or last chosen entries and nuke them 3067 findPreferredActivity(intent, resolvedType, 3068 flags, query, 0, false, true, false, userId); 3069 // Add the new activity as the last chosen for this filter 3070 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3071 "Setting last chosen"); 3072 } 3073 3074 @Override 3075 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3076 final int userId = UserHandle.getCallingUserId(); 3077 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3078 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3079 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3080 false, false, false, userId); 3081 } 3082 3083 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3084 int flags, List<ResolveInfo> query, int userId) { 3085 if (query != null) { 3086 final int N = query.size(); 3087 if (N == 1) { 3088 return query.get(0); 3089 } else if (N > 1) { 3090 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3091 // If there is more than one activity with the same priority, 3092 // then let the user decide between them. 3093 ResolveInfo r0 = query.get(0); 3094 ResolveInfo r1 = query.get(1); 3095 if (DEBUG_INTENT_MATCHING || debug) { 3096 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3097 + r1.activityInfo.name + "=" + r1.priority); 3098 } 3099 // If the first activity has a higher priority, or a different 3100 // default, then it is always desireable to pick it. 3101 if (r0.priority != r1.priority 3102 || r0.preferredOrder != r1.preferredOrder 3103 || r0.isDefault != r1.isDefault) { 3104 return query.get(0); 3105 } 3106 // If we have saved a preference for a preferred activity for 3107 // this Intent, use that. 3108 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3109 flags, query, r0.priority, true, false, debug, userId); 3110 if (ri != null) { 3111 return ri; 3112 } 3113 if (userId != 0) { 3114 ri = new ResolveInfo(mResolveInfo); 3115 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3116 ri.activityInfo.applicationInfo = new ApplicationInfo( 3117 ri.activityInfo.applicationInfo); 3118 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3119 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3120 return ri; 3121 } 3122 return mResolveInfo; 3123 } 3124 } 3125 return null; 3126 } 3127 3128 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3129 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3130 final int N = query.size(); 3131 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3132 .get(userId); 3133 // Get the list of persistent preferred activities that handle the intent 3134 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3135 List<PersistentPreferredActivity> pprefs = ppir != null 3136 ? ppir.queryIntent(intent, resolvedType, 3137 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3138 : null; 3139 if (pprefs != null && pprefs.size() > 0) { 3140 final int M = pprefs.size(); 3141 for (int i=0; i<M; i++) { 3142 final PersistentPreferredActivity ppa = pprefs.get(i); 3143 if (DEBUG_PREFERRED || debug) { 3144 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3145 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3146 + "\n component=" + ppa.mComponent); 3147 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3148 } 3149 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3150 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3151 if (DEBUG_PREFERRED || debug) { 3152 Slog.v(TAG, "Found persistent preferred activity:"); 3153 if (ai != null) { 3154 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3155 } else { 3156 Slog.v(TAG, " null"); 3157 } 3158 } 3159 if (ai == null) { 3160 // This previously registered persistent preferred activity 3161 // component is no longer known. Ignore it and do NOT remove it. 3162 continue; 3163 } 3164 for (int j=0; j<N; j++) { 3165 final ResolveInfo ri = query.get(j); 3166 if (!ri.activityInfo.applicationInfo.packageName 3167 .equals(ai.applicationInfo.packageName)) { 3168 continue; 3169 } 3170 if (!ri.activityInfo.name.equals(ai.name)) { 3171 continue; 3172 } 3173 // Found a persistent preference that can handle the intent. 3174 if (DEBUG_PREFERRED || debug) { 3175 Slog.v(TAG, "Returning persistent preferred activity: " + 3176 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3177 } 3178 return ri; 3179 } 3180 } 3181 } 3182 return null; 3183 } 3184 3185 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3186 List<ResolveInfo> query, int priority, boolean always, 3187 boolean removeMatches, boolean debug, int userId) { 3188 if (!sUserManager.exists(userId)) return null; 3189 // writer 3190 synchronized (mPackages) { 3191 if (intent.getSelector() != null) { 3192 intent = intent.getSelector(); 3193 } 3194 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3195 3196 // Try to find a matching persistent preferred activity. 3197 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3198 debug, userId); 3199 3200 // If a persistent preferred activity matched, use it. 3201 if (pri != null) { 3202 return pri; 3203 } 3204 3205 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3206 // Get the list of preferred activities that handle the intent 3207 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3208 List<PreferredActivity> prefs = pir != null 3209 ? pir.queryIntent(intent, resolvedType, 3210 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3211 : null; 3212 if (prefs != null && prefs.size() > 0) { 3213 boolean changed = false; 3214 try { 3215 // First figure out how good the original match set is. 3216 // We will only allow preferred activities that came 3217 // from the same match quality. 3218 int match = 0; 3219 3220 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3221 3222 final int N = query.size(); 3223 for (int j=0; j<N; j++) { 3224 final ResolveInfo ri = query.get(j); 3225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3226 + ": 0x" + Integer.toHexString(match)); 3227 if (ri.match > match) { 3228 match = ri.match; 3229 } 3230 } 3231 3232 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3233 + Integer.toHexString(match)); 3234 3235 match &= IntentFilter.MATCH_CATEGORY_MASK; 3236 final int M = prefs.size(); 3237 for (int i=0; i<M; i++) { 3238 final PreferredActivity pa = prefs.get(i); 3239 if (DEBUG_PREFERRED || debug) { 3240 Slog.v(TAG, "Checking PreferredActivity ds=" 3241 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3242 + "\n component=" + pa.mPref.mComponent); 3243 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3244 } 3245 if (pa.mPref.mMatch != match) { 3246 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3247 + Integer.toHexString(pa.mPref.mMatch)); 3248 continue; 3249 } 3250 // If it's not an "always" type preferred activity and that's what we're 3251 // looking for, skip it. 3252 if (always && !pa.mPref.mAlways) { 3253 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3254 continue; 3255 } 3256 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3257 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3258 if (DEBUG_PREFERRED || debug) { 3259 Slog.v(TAG, "Found preferred activity:"); 3260 if (ai != null) { 3261 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3262 } else { 3263 Slog.v(TAG, " null"); 3264 } 3265 } 3266 if (ai == null) { 3267 // This previously registered preferred activity 3268 // component is no longer known. Most likely an update 3269 // to the app was installed and in the new version this 3270 // component no longer exists. Clean it up by removing 3271 // it from the preferred activities list, and skip it. 3272 Slog.w(TAG, "Removing dangling preferred activity: " 3273 + pa.mPref.mComponent); 3274 pir.removeFilter(pa); 3275 changed = true; 3276 continue; 3277 } 3278 for (int j=0; j<N; j++) { 3279 final ResolveInfo ri = query.get(j); 3280 if (!ri.activityInfo.applicationInfo.packageName 3281 .equals(ai.applicationInfo.packageName)) { 3282 continue; 3283 } 3284 if (!ri.activityInfo.name.equals(ai.name)) { 3285 continue; 3286 } 3287 3288 if (removeMatches) { 3289 pir.removeFilter(pa); 3290 changed = true; 3291 if (DEBUG_PREFERRED) { 3292 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3293 } 3294 break; 3295 } 3296 3297 // Okay we found a previously set preferred or last chosen app. 3298 // If the result set is different from when this 3299 // was created, we need to clear it and re-ask the 3300 // user their preference, if we're looking for an "always" type entry. 3301 if (always && !pa.mPref.sameSet(query)) { 3302 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3303 + intent + " type " + resolvedType); 3304 if (DEBUG_PREFERRED) { 3305 Slog.v(TAG, "Removing preferred activity since set changed " 3306 + pa.mPref.mComponent); 3307 } 3308 pir.removeFilter(pa); 3309 // Re-add the filter as a "last chosen" entry (!always) 3310 PreferredActivity lastChosen = new PreferredActivity( 3311 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3312 pir.addFilter(lastChosen); 3313 changed = true; 3314 return null; 3315 } 3316 3317 // Yay! Either the set matched or we're looking for the last chosen 3318 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3319 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3320 return ri; 3321 } 3322 } 3323 } finally { 3324 if (changed) { 3325 if (DEBUG_PREFERRED) { 3326 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3327 } 3328 scheduleWritePackageRestrictionsLocked(userId); 3329 } 3330 } 3331 } 3332 } 3333 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3334 return null; 3335 } 3336 3337 /* 3338 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3339 */ 3340 @Override 3341 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3342 int targetUserId) { 3343 mContext.enforceCallingOrSelfPermission( 3344 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3345 List<CrossProfileIntentFilter> matches = 3346 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3347 if (matches != null) { 3348 int size = matches.size(); 3349 for (int i = 0; i < size; i++) { 3350 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3351 } 3352 } 3353 return false; 3354 } 3355 3356 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3357 String resolvedType, int userId) { 3358 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3359 if (resolver != null) { 3360 return resolver.queryIntent(intent, resolvedType, false, userId); 3361 } 3362 return null; 3363 } 3364 3365 @Override 3366 public List<ResolveInfo> queryIntentActivities(Intent intent, 3367 String resolvedType, int flags, int userId) { 3368 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3369 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3370 ComponentName comp = intent.getComponent(); 3371 if (comp == null) { 3372 if (intent.getSelector() != null) { 3373 intent = intent.getSelector(); 3374 comp = intent.getComponent(); 3375 } 3376 } 3377 3378 if (comp != null) { 3379 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3380 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3381 if (ai != null) { 3382 final ResolveInfo ri = new ResolveInfo(); 3383 ri.activityInfo = ai; 3384 list.add(ri); 3385 } 3386 return list; 3387 } 3388 3389 // reader 3390 synchronized (mPackages) { 3391 final String pkgName = intent.getPackage(); 3392 if (pkgName == null) { 3393 List<CrossProfileIntentFilter> matchingFilters = 3394 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3395 // Check for results that need to skip the current profile. 3396 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3397 resolvedType, flags, userId); 3398 if (resolveInfo != null) { 3399 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3400 result.add(resolveInfo); 3401 return result; 3402 } 3403 // Check for cross profile results. 3404 resolveInfo = queryCrossProfileIntents( 3405 matchingFilters, intent, resolvedType, flags, userId); 3406 3407 // Check for results in the current profile. 3408 List<ResolveInfo> result = mActivities.queryIntent( 3409 intent, resolvedType, flags, userId); 3410 if (resolveInfo != null) { 3411 result.add(resolveInfo); 3412 Collections.sort(result, mResolvePrioritySorter); 3413 } 3414 return result; 3415 } 3416 final PackageParser.Package pkg = mPackages.get(pkgName); 3417 if (pkg != null) { 3418 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3419 pkg.activities, userId); 3420 } 3421 return new ArrayList<ResolveInfo>(); 3422 } 3423 } 3424 3425 private ResolveInfo querySkipCurrentProfileIntents( 3426 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3427 int flags, int sourceUserId) { 3428 if (matchingFilters != null) { 3429 int size = matchingFilters.size(); 3430 for (int i = 0; i < size; i ++) { 3431 CrossProfileIntentFilter filter = matchingFilters.get(i); 3432 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3433 // Checking if there are activities in the target user that can handle the 3434 // intent. 3435 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3436 flags, sourceUserId); 3437 if (resolveInfo != null) { 3438 return resolveInfo; 3439 } 3440 } 3441 } 3442 } 3443 return null; 3444 } 3445 3446 // Return matching ResolveInfo if any for skip current profile intent filters. 3447 private ResolveInfo queryCrossProfileIntents( 3448 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3449 int flags, int sourceUserId) { 3450 if (matchingFilters != null) { 3451 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3452 // match the same intent. For performance reasons, it is better not to 3453 // run queryIntent twice for the same userId 3454 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3455 int size = matchingFilters.size(); 3456 for (int i = 0; i < size; i++) { 3457 CrossProfileIntentFilter filter = matchingFilters.get(i); 3458 int targetUserId = filter.getTargetUserId(); 3459 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3460 && !alreadyTriedUserIds.get(targetUserId)) { 3461 // Checking if there are activities in the target user that can handle the 3462 // intent. 3463 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3464 flags, sourceUserId); 3465 if (resolveInfo != null) return resolveInfo; 3466 alreadyTriedUserIds.put(targetUserId, true); 3467 } 3468 } 3469 } 3470 return null; 3471 } 3472 3473 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3474 String resolvedType, int flags, int sourceUserId) { 3475 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3476 resolvedType, flags, filter.getTargetUserId()); 3477 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3478 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3479 } 3480 return null; 3481 } 3482 3483 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3484 int sourceUserId, int targetUserId) { 3485 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3486 String className; 3487 if (targetUserId == UserHandle.USER_OWNER) { 3488 className = FORWARD_INTENT_TO_USER_OWNER; 3489 } else { 3490 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3491 } 3492 ComponentName forwardingActivityComponentName = new ComponentName( 3493 mAndroidApplication.packageName, className); 3494 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3495 sourceUserId); 3496 if (targetUserId == UserHandle.USER_OWNER) { 3497 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3498 forwardingResolveInfo.noResourceId = true; 3499 } 3500 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3501 forwardingResolveInfo.priority = 0; 3502 forwardingResolveInfo.preferredOrder = 0; 3503 forwardingResolveInfo.match = 0; 3504 forwardingResolveInfo.isDefault = true; 3505 forwardingResolveInfo.filter = filter; 3506 forwardingResolveInfo.targetUserId = targetUserId; 3507 return forwardingResolveInfo; 3508 } 3509 3510 @Override 3511 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3512 Intent[] specifics, String[] specificTypes, Intent intent, 3513 String resolvedType, int flags, int userId) { 3514 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3515 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3516 false, "query intent activity options"); 3517 final String resultsAction = intent.getAction(); 3518 3519 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3520 | PackageManager.GET_RESOLVED_FILTER, userId); 3521 3522 if (DEBUG_INTENT_MATCHING) { 3523 Log.v(TAG, "Query " + intent + ": " + results); 3524 } 3525 3526 int specificsPos = 0; 3527 int N; 3528 3529 // todo: note that the algorithm used here is O(N^2). This 3530 // isn't a problem in our current environment, but if we start running 3531 // into situations where we have more than 5 or 10 matches then this 3532 // should probably be changed to something smarter... 3533 3534 // First we go through and resolve each of the specific items 3535 // that were supplied, taking care of removing any corresponding 3536 // duplicate items in the generic resolve list. 3537 if (specifics != null) { 3538 for (int i=0; i<specifics.length; i++) { 3539 final Intent sintent = specifics[i]; 3540 if (sintent == null) { 3541 continue; 3542 } 3543 3544 if (DEBUG_INTENT_MATCHING) { 3545 Log.v(TAG, "Specific #" + i + ": " + sintent); 3546 } 3547 3548 String action = sintent.getAction(); 3549 if (resultsAction != null && resultsAction.equals(action)) { 3550 // If this action was explicitly requested, then don't 3551 // remove things that have it. 3552 action = null; 3553 } 3554 3555 ResolveInfo ri = null; 3556 ActivityInfo ai = null; 3557 3558 ComponentName comp = sintent.getComponent(); 3559 if (comp == null) { 3560 ri = resolveIntent( 3561 sintent, 3562 specificTypes != null ? specificTypes[i] : null, 3563 flags, userId); 3564 if (ri == null) { 3565 continue; 3566 } 3567 if (ri == mResolveInfo) { 3568 // ACK! Must do something better with this. 3569 } 3570 ai = ri.activityInfo; 3571 comp = new ComponentName(ai.applicationInfo.packageName, 3572 ai.name); 3573 } else { 3574 ai = getActivityInfo(comp, flags, userId); 3575 if (ai == null) { 3576 continue; 3577 } 3578 } 3579 3580 // Look for any generic query activities that are duplicates 3581 // of this specific one, and remove them from the results. 3582 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3583 N = results.size(); 3584 int j; 3585 for (j=specificsPos; j<N; j++) { 3586 ResolveInfo sri = results.get(j); 3587 if ((sri.activityInfo.name.equals(comp.getClassName()) 3588 && sri.activityInfo.applicationInfo.packageName.equals( 3589 comp.getPackageName())) 3590 || (action != null && sri.filter.matchAction(action))) { 3591 results.remove(j); 3592 if (DEBUG_INTENT_MATCHING) Log.v( 3593 TAG, "Removing duplicate item from " + j 3594 + " due to specific " + specificsPos); 3595 if (ri == null) { 3596 ri = sri; 3597 } 3598 j--; 3599 N--; 3600 } 3601 } 3602 3603 // Add this specific item to its proper place. 3604 if (ri == null) { 3605 ri = new ResolveInfo(); 3606 ri.activityInfo = ai; 3607 } 3608 results.add(specificsPos, ri); 3609 ri.specificIndex = i; 3610 specificsPos++; 3611 } 3612 } 3613 3614 // Now we go through the remaining generic results and remove any 3615 // duplicate actions that are found here. 3616 N = results.size(); 3617 for (int i=specificsPos; i<N-1; i++) { 3618 final ResolveInfo rii = results.get(i); 3619 if (rii.filter == null) { 3620 continue; 3621 } 3622 3623 // Iterate over all of the actions of this result's intent 3624 // filter... typically this should be just one. 3625 final Iterator<String> it = rii.filter.actionsIterator(); 3626 if (it == null) { 3627 continue; 3628 } 3629 while (it.hasNext()) { 3630 final String action = it.next(); 3631 if (resultsAction != null && resultsAction.equals(action)) { 3632 // If this action was explicitly requested, then don't 3633 // remove things that have it. 3634 continue; 3635 } 3636 for (int j=i+1; j<N; j++) { 3637 final ResolveInfo rij = results.get(j); 3638 if (rij.filter != null && rij.filter.hasAction(action)) { 3639 results.remove(j); 3640 if (DEBUG_INTENT_MATCHING) Log.v( 3641 TAG, "Removing duplicate item from " + j 3642 + " due to action " + action + " at " + i); 3643 j--; 3644 N--; 3645 } 3646 } 3647 } 3648 3649 // If the caller didn't request filter information, drop it now 3650 // so we don't have to marshall/unmarshall it. 3651 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3652 rii.filter = null; 3653 } 3654 } 3655 3656 // Filter out the caller activity if so requested. 3657 if (caller != null) { 3658 N = results.size(); 3659 for (int i=0; i<N; i++) { 3660 ActivityInfo ainfo = results.get(i).activityInfo; 3661 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3662 && caller.getClassName().equals(ainfo.name)) { 3663 results.remove(i); 3664 break; 3665 } 3666 } 3667 } 3668 3669 // If the caller didn't request filter information, 3670 // drop them now so we don't have to 3671 // marshall/unmarshall it. 3672 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3673 N = results.size(); 3674 for (int i=0; i<N; i++) { 3675 results.get(i).filter = null; 3676 } 3677 } 3678 3679 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3680 return results; 3681 } 3682 3683 @Override 3684 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3685 int userId) { 3686 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3687 ComponentName comp = intent.getComponent(); 3688 if (comp == null) { 3689 if (intent.getSelector() != null) { 3690 intent = intent.getSelector(); 3691 comp = intent.getComponent(); 3692 } 3693 } 3694 if (comp != null) { 3695 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3696 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3697 if (ai != null) { 3698 ResolveInfo ri = new ResolveInfo(); 3699 ri.activityInfo = ai; 3700 list.add(ri); 3701 } 3702 return list; 3703 } 3704 3705 // reader 3706 synchronized (mPackages) { 3707 String pkgName = intent.getPackage(); 3708 if (pkgName == null) { 3709 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3710 } 3711 final PackageParser.Package pkg = mPackages.get(pkgName); 3712 if (pkg != null) { 3713 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3714 userId); 3715 } 3716 return null; 3717 } 3718 } 3719 3720 @Override 3721 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3722 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3723 if (!sUserManager.exists(userId)) return null; 3724 if (query != null) { 3725 if (query.size() >= 1) { 3726 // If there is more than one service with the same priority, 3727 // just arbitrarily pick the first one. 3728 return query.get(0); 3729 } 3730 } 3731 return null; 3732 } 3733 3734 @Override 3735 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3736 int userId) { 3737 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3738 ComponentName comp = intent.getComponent(); 3739 if (comp == null) { 3740 if (intent.getSelector() != null) { 3741 intent = intent.getSelector(); 3742 comp = intent.getComponent(); 3743 } 3744 } 3745 if (comp != null) { 3746 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3747 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3748 if (si != null) { 3749 final ResolveInfo ri = new ResolveInfo(); 3750 ri.serviceInfo = si; 3751 list.add(ri); 3752 } 3753 return list; 3754 } 3755 3756 // reader 3757 synchronized (mPackages) { 3758 String pkgName = intent.getPackage(); 3759 if (pkgName == null) { 3760 return mServices.queryIntent(intent, resolvedType, flags, userId); 3761 } 3762 final PackageParser.Package pkg = mPackages.get(pkgName); 3763 if (pkg != null) { 3764 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3765 userId); 3766 } 3767 return null; 3768 } 3769 } 3770 3771 @Override 3772 public List<ResolveInfo> queryIntentContentProviders( 3773 Intent intent, String resolvedType, int flags, int userId) { 3774 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3775 ComponentName comp = intent.getComponent(); 3776 if (comp == null) { 3777 if (intent.getSelector() != null) { 3778 intent = intent.getSelector(); 3779 comp = intent.getComponent(); 3780 } 3781 } 3782 if (comp != null) { 3783 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3784 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3785 if (pi != null) { 3786 final ResolveInfo ri = new ResolveInfo(); 3787 ri.providerInfo = pi; 3788 list.add(ri); 3789 } 3790 return list; 3791 } 3792 3793 // reader 3794 synchronized (mPackages) { 3795 String pkgName = intent.getPackage(); 3796 if (pkgName == null) { 3797 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3798 } 3799 final PackageParser.Package pkg = mPackages.get(pkgName); 3800 if (pkg != null) { 3801 return mProviders.queryIntentForPackage( 3802 intent, resolvedType, flags, pkg.providers, userId); 3803 } 3804 return null; 3805 } 3806 } 3807 3808 @Override 3809 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3810 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3811 3812 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3813 3814 // writer 3815 synchronized (mPackages) { 3816 ArrayList<PackageInfo> list; 3817 if (listUninstalled) { 3818 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3819 for (PackageSetting ps : mSettings.mPackages.values()) { 3820 PackageInfo pi; 3821 if (ps.pkg != null) { 3822 pi = generatePackageInfo(ps.pkg, flags, userId); 3823 } else { 3824 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3825 } 3826 if (pi != null) { 3827 list.add(pi); 3828 } 3829 } 3830 } else { 3831 list = new ArrayList<PackageInfo>(mPackages.size()); 3832 for (PackageParser.Package p : mPackages.values()) { 3833 PackageInfo pi = generatePackageInfo(p, flags, userId); 3834 if (pi != null) { 3835 list.add(pi); 3836 } 3837 } 3838 } 3839 3840 return new ParceledListSlice<PackageInfo>(list); 3841 } 3842 } 3843 3844 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3845 String[] permissions, boolean[] tmp, int flags, int userId) { 3846 int numMatch = 0; 3847 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3848 for (int i=0; i<permissions.length; i++) { 3849 if (gp.grantedPermissions.contains(permissions[i])) { 3850 tmp[i] = true; 3851 numMatch++; 3852 } else { 3853 tmp[i] = false; 3854 } 3855 } 3856 if (numMatch == 0) { 3857 return; 3858 } 3859 PackageInfo pi; 3860 if (ps.pkg != null) { 3861 pi = generatePackageInfo(ps.pkg, flags, userId); 3862 } else { 3863 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3864 } 3865 // The above might return null in cases of uninstalled apps or install-state 3866 // skew across users/profiles. 3867 if (pi != null) { 3868 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3869 if (numMatch == permissions.length) { 3870 pi.requestedPermissions = permissions; 3871 } else { 3872 pi.requestedPermissions = new String[numMatch]; 3873 numMatch = 0; 3874 for (int i=0; i<permissions.length; i++) { 3875 if (tmp[i]) { 3876 pi.requestedPermissions[numMatch] = permissions[i]; 3877 numMatch++; 3878 } 3879 } 3880 } 3881 } 3882 list.add(pi); 3883 } 3884 } 3885 3886 @Override 3887 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3888 String[] permissions, int flags, int userId) { 3889 if (!sUserManager.exists(userId)) return null; 3890 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3891 3892 // writer 3893 synchronized (mPackages) { 3894 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3895 boolean[] tmpBools = new boolean[permissions.length]; 3896 if (listUninstalled) { 3897 for (PackageSetting ps : mSettings.mPackages.values()) { 3898 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3899 } 3900 } else { 3901 for (PackageParser.Package pkg : mPackages.values()) { 3902 PackageSetting ps = (PackageSetting)pkg.mExtras; 3903 if (ps != null) { 3904 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3905 userId); 3906 } 3907 } 3908 } 3909 3910 return new ParceledListSlice<PackageInfo>(list); 3911 } 3912 } 3913 3914 @Override 3915 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3916 if (!sUserManager.exists(userId)) return null; 3917 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3918 3919 // writer 3920 synchronized (mPackages) { 3921 ArrayList<ApplicationInfo> list; 3922 if (listUninstalled) { 3923 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3924 for (PackageSetting ps : mSettings.mPackages.values()) { 3925 ApplicationInfo ai; 3926 if (ps.pkg != null) { 3927 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3928 ps.readUserState(userId), userId); 3929 } else { 3930 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3931 } 3932 if (ai != null) { 3933 list.add(ai); 3934 } 3935 } 3936 } else { 3937 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3938 for (PackageParser.Package p : mPackages.values()) { 3939 if (p.mExtras != null) { 3940 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3941 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3942 if (ai != null) { 3943 list.add(ai); 3944 } 3945 } 3946 } 3947 } 3948 3949 return new ParceledListSlice<ApplicationInfo>(list); 3950 } 3951 } 3952 3953 public List<ApplicationInfo> getPersistentApplications(int flags) { 3954 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3955 3956 // reader 3957 synchronized (mPackages) { 3958 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3959 final int userId = UserHandle.getCallingUserId(); 3960 while (i.hasNext()) { 3961 final PackageParser.Package p = i.next(); 3962 if (p.applicationInfo != null 3963 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3964 && (!mSafeMode || isSystemApp(p))) { 3965 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3966 if (ps != null) { 3967 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3968 ps.readUserState(userId), userId); 3969 if (ai != null) { 3970 finalList.add(ai); 3971 } 3972 } 3973 } 3974 } 3975 } 3976 3977 return finalList; 3978 } 3979 3980 @Override 3981 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3982 if (!sUserManager.exists(userId)) return null; 3983 // reader 3984 synchronized (mPackages) { 3985 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3986 PackageSetting ps = provider != null 3987 ? mSettings.mPackages.get(provider.owner.packageName) 3988 : null; 3989 return ps != null 3990 && mSettings.isEnabledLPr(provider.info, flags, userId) 3991 && (!mSafeMode || (provider.info.applicationInfo.flags 3992 &ApplicationInfo.FLAG_SYSTEM) != 0) 3993 ? PackageParser.generateProviderInfo(provider, flags, 3994 ps.readUserState(userId), userId) 3995 : null; 3996 } 3997 } 3998 3999 /** 4000 * @deprecated 4001 */ 4002 @Deprecated 4003 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4004 // reader 4005 synchronized (mPackages) { 4006 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4007 .entrySet().iterator(); 4008 final int userId = UserHandle.getCallingUserId(); 4009 while (i.hasNext()) { 4010 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4011 PackageParser.Provider p = entry.getValue(); 4012 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4013 4014 if (ps != null && p.syncable 4015 && (!mSafeMode || (p.info.applicationInfo.flags 4016 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4017 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4018 ps.readUserState(userId), userId); 4019 if (info != null) { 4020 outNames.add(entry.getKey()); 4021 outInfo.add(info); 4022 } 4023 } 4024 } 4025 } 4026 } 4027 4028 @Override 4029 public List<ProviderInfo> queryContentProviders(String processName, 4030 int uid, int flags) { 4031 ArrayList<ProviderInfo> finalList = null; 4032 // reader 4033 synchronized (mPackages) { 4034 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4035 final int userId = processName != null ? 4036 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4037 while (i.hasNext()) { 4038 final PackageParser.Provider p = i.next(); 4039 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4040 if (ps != null && p.info.authority != null 4041 && (processName == null 4042 || (p.info.processName.equals(processName) 4043 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4044 && mSettings.isEnabledLPr(p.info, flags, userId) 4045 && (!mSafeMode 4046 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4047 if (finalList == null) { 4048 finalList = new ArrayList<ProviderInfo>(3); 4049 } 4050 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4051 ps.readUserState(userId), userId); 4052 if (info != null) { 4053 finalList.add(info); 4054 } 4055 } 4056 } 4057 } 4058 4059 if (finalList != null) { 4060 Collections.sort(finalList, mProviderInitOrderSorter); 4061 } 4062 4063 return finalList; 4064 } 4065 4066 @Override 4067 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4068 int flags) { 4069 // reader 4070 synchronized (mPackages) { 4071 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4072 return PackageParser.generateInstrumentationInfo(i, flags); 4073 } 4074 } 4075 4076 @Override 4077 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4078 int flags) { 4079 ArrayList<InstrumentationInfo> finalList = 4080 new ArrayList<InstrumentationInfo>(); 4081 4082 // reader 4083 synchronized (mPackages) { 4084 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4085 while (i.hasNext()) { 4086 final PackageParser.Instrumentation p = i.next(); 4087 if (targetPackage == null 4088 || targetPackage.equals(p.info.targetPackage)) { 4089 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4090 flags); 4091 if (ii != null) { 4092 finalList.add(ii); 4093 } 4094 } 4095 } 4096 } 4097 4098 return finalList; 4099 } 4100 4101 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4102 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4103 if (overlays == null) { 4104 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4105 return; 4106 } 4107 for (PackageParser.Package opkg : overlays.values()) { 4108 // Not much to do if idmap fails: we already logged the error 4109 // and we certainly don't want to abort installation of pkg simply 4110 // because an overlay didn't fit properly. For these reasons, 4111 // ignore the return value of createIdmapForPackagePairLI. 4112 createIdmapForPackagePairLI(pkg, opkg); 4113 } 4114 } 4115 4116 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4117 PackageParser.Package opkg) { 4118 if (!opkg.mTrustedOverlay) { 4119 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4120 opkg.baseCodePath + ": overlay not trusted"); 4121 return false; 4122 } 4123 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4124 if (overlaySet == null) { 4125 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4126 opkg.baseCodePath + " but target package has no known overlays"); 4127 return false; 4128 } 4129 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4130 // TODO: generate idmap for split APKs 4131 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4132 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4133 + opkg.baseCodePath); 4134 return false; 4135 } 4136 PackageParser.Package[] overlayArray = 4137 overlaySet.values().toArray(new PackageParser.Package[0]); 4138 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4139 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4140 return p1.mOverlayPriority - p2.mOverlayPriority; 4141 } 4142 }; 4143 Arrays.sort(overlayArray, cmp); 4144 4145 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4146 int i = 0; 4147 for (PackageParser.Package p : overlayArray) { 4148 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4149 } 4150 return true; 4151 } 4152 4153 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4154 final File[] files = dir.listFiles(); 4155 if (ArrayUtils.isEmpty(files)) { 4156 Log.d(TAG, "No files in app dir " + dir); 4157 return; 4158 } 4159 4160 if (DEBUG_PACKAGE_SCANNING) { 4161 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4162 + " flags=0x" + Integer.toHexString(parseFlags)); 4163 } 4164 4165 for (File file : files) { 4166 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4167 && !PackageInstallerService.isStageName(file.getName()); 4168 if (!isPackage) { 4169 // Ignore entries which are not packages 4170 continue; 4171 } 4172 try { 4173 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4174 scanFlags, currentTime, null); 4175 } catch (PackageManagerException e) { 4176 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4177 4178 // Delete invalid userdata apps 4179 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4180 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4181 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4182 if (file.isDirectory()) { 4183 mInstaller.rmPackageDir(file.getAbsolutePath()); 4184 } else { 4185 file.delete(); 4186 } 4187 } 4188 } 4189 } 4190 } 4191 4192 private static File getSettingsProblemFile() { 4193 File dataDir = Environment.getDataDirectory(); 4194 File systemDir = new File(dataDir, "system"); 4195 File fname = new File(systemDir, "uiderrors.txt"); 4196 return fname; 4197 } 4198 4199 static void reportSettingsProblem(int priority, String msg) { 4200 logCriticalInfo(priority, msg); 4201 } 4202 4203 static void logCriticalInfo(int priority, String msg) { 4204 Slog.println(priority, TAG, msg); 4205 EventLogTags.writePmCriticalInfo(msg); 4206 try { 4207 File fname = getSettingsProblemFile(); 4208 FileOutputStream out = new FileOutputStream(fname, true); 4209 PrintWriter pw = new FastPrintWriter(out); 4210 SimpleDateFormat formatter = new SimpleDateFormat(); 4211 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4212 pw.println(dateString + ": " + msg); 4213 pw.close(); 4214 FileUtils.setPermissions( 4215 fname.toString(), 4216 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4217 -1, -1); 4218 } catch (java.io.IOException e) { 4219 } 4220 } 4221 4222 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4223 PackageParser.Package pkg, File srcFile, int parseFlags) 4224 throws PackageManagerException { 4225 if (ps != null 4226 && ps.codePath.equals(srcFile) 4227 && ps.timeStamp == srcFile.lastModified() 4228 && !isCompatSignatureUpdateNeeded(pkg) 4229 && !isRecoverSignatureUpdateNeeded(pkg)) { 4230 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4231 if (ps.signatures.mSignatures != null 4232 && ps.signatures.mSignatures.length != 0 4233 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4234 // Optimization: reuse the existing cached certificates 4235 // if the package appears to be unchanged. 4236 pkg.mSignatures = ps.signatures.mSignatures; 4237 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4238 synchronized (mPackages) { 4239 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4240 } 4241 return; 4242 } 4243 4244 Slog.w(TAG, "PackageSetting for " + ps.name 4245 + " is missing signatures. Collecting certs again to recover them."); 4246 } else { 4247 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4248 } 4249 4250 try { 4251 pp.collectCertificates(pkg, parseFlags); 4252 pp.collectManifestDigest(pkg); 4253 } catch (PackageParserException e) { 4254 throw PackageManagerException.from(e); 4255 } 4256 } 4257 4258 /* 4259 * Scan a package and return the newly parsed package. 4260 * Returns null in case of errors and the error code is stored in mLastScanError 4261 */ 4262 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4263 long currentTime, UserHandle user) throws PackageManagerException { 4264 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4265 parseFlags |= mDefParseFlags; 4266 PackageParser pp = new PackageParser(); 4267 pp.setSeparateProcesses(mSeparateProcesses); 4268 pp.setOnlyCoreApps(mOnlyCore); 4269 pp.setDisplayMetrics(mMetrics); 4270 4271 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4272 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4273 } 4274 4275 final PackageParser.Package pkg; 4276 try { 4277 pkg = pp.parsePackage(scanFile, parseFlags); 4278 } catch (PackageParserException e) { 4279 throw PackageManagerException.from(e); 4280 } 4281 4282 PackageSetting ps = null; 4283 PackageSetting updatedPkg; 4284 // reader 4285 synchronized (mPackages) { 4286 // Look to see if we already know about this package. 4287 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4288 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4289 // This package has been renamed to its original name. Let's 4290 // use that. 4291 ps = mSettings.peekPackageLPr(oldName); 4292 } 4293 // If there was no original package, see one for the real package name. 4294 if (ps == null) { 4295 ps = mSettings.peekPackageLPr(pkg.packageName); 4296 } 4297 // Check to see if this package could be hiding/updating a system 4298 // package. Must look for it either under the original or real 4299 // package name depending on our state. 4300 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4301 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4302 } 4303 boolean updatedPkgBetter = false; 4304 // First check if this is a system package that may involve an update 4305 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4306 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4307 // it needs to drop FLAG_PRIVILEGED. 4308 if (locationIsPrivileged(scanFile)) { 4309 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4310 } else { 4311 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4312 } 4313 4314 if (ps != null && !ps.codePath.equals(scanFile)) { 4315 // The path has changed from what was last scanned... check the 4316 // version of the new path against what we have stored to determine 4317 // what to do. 4318 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4319 if (pkg.mVersionCode <= ps.versionCode) { 4320 // The system package has been updated and the code path does not match 4321 // Ignore entry. Skip it. 4322 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4323 + " ignored: updated version " + ps.versionCode 4324 + " better than this " + pkg.mVersionCode); 4325 if (!updatedPkg.codePath.equals(scanFile)) { 4326 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4327 + ps.name + " changing from " + updatedPkg.codePathString 4328 + " to " + scanFile); 4329 updatedPkg.codePath = scanFile; 4330 updatedPkg.codePathString = scanFile.toString(); 4331 updatedPkg.resourcePath = scanFile; 4332 updatedPkg.resourcePathString = scanFile.toString(); 4333 } 4334 updatedPkg.pkg = pkg; 4335 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4336 } else { 4337 // The current app on the system partition is better than 4338 // what we have updated to on the data partition; switch 4339 // back to the system partition version. 4340 // At this point, its safely assumed that package installation for 4341 // apps in system partition will go through. If not there won't be a working 4342 // version of the app 4343 // writer 4344 synchronized (mPackages) { 4345 // Just remove the loaded entries from package lists. 4346 mPackages.remove(ps.name); 4347 } 4348 4349 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4350 + " reverting from " + ps.codePathString 4351 + ": new version " + pkg.mVersionCode 4352 + " better than installed " + ps.versionCode); 4353 4354 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4355 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4356 getAppDexInstructionSets(ps)); 4357 synchronized (mInstallLock) { 4358 args.cleanUpResourcesLI(); 4359 } 4360 synchronized (mPackages) { 4361 mSettings.enableSystemPackageLPw(ps.name); 4362 } 4363 updatedPkgBetter = true; 4364 } 4365 } 4366 } 4367 4368 if (updatedPkg != null) { 4369 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4370 // initially 4371 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4372 4373 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4374 // flag set initially 4375 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4376 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4377 } 4378 } 4379 4380 // Verify certificates against what was last scanned 4381 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4382 4383 /* 4384 * A new system app appeared, but we already had a non-system one of the 4385 * same name installed earlier. 4386 */ 4387 boolean shouldHideSystemApp = false; 4388 if (updatedPkg == null && ps != null 4389 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4390 /* 4391 * Check to make sure the signatures match first. If they don't, 4392 * wipe the installed application and its data. 4393 */ 4394 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4395 != PackageManager.SIGNATURE_MATCH) { 4396 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4397 + " signatures don't match existing userdata copy; removing"); 4398 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4399 ps = null; 4400 } else { 4401 /* 4402 * If the newly-added system app is an older version than the 4403 * already installed version, hide it. It will be scanned later 4404 * and re-added like an update. 4405 */ 4406 if (pkg.mVersionCode <= ps.versionCode) { 4407 shouldHideSystemApp = true; 4408 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4409 + " but new version " + pkg.mVersionCode + " better than installed " 4410 + ps.versionCode + "; hiding system"); 4411 } else { 4412 /* 4413 * The newly found system app is a newer version that the 4414 * one previously installed. Simply remove the 4415 * already-installed application and replace it with our own 4416 * while keeping the application data. 4417 */ 4418 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4419 + " reverting from " + ps.codePathString + ": new version " 4420 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4421 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4422 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4423 getAppDexInstructionSets(ps)); 4424 synchronized (mInstallLock) { 4425 args.cleanUpResourcesLI(); 4426 } 4427 } 4428 } 4429 } 4430 4431 // The apk is forward locked (not public) if its code and resources 4432 // are kept in different files. (except for app in either system or 4433 // vendor path). 4434 // TODO grab this value from PackageSettings 4435 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4436 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4437 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4438 } 4439 } 4440 4441 // TODO: extend to support forward-locked splits 4442 String resourcePath = null; 4443 String baseResourcePath = null; 4444 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4445 if (ps != null && ps.resourcePathString != null) { 4446 resourcePath = ps.resourcePathString; 4447 baseResourcePath = ps.resourcePathString; 4448 } else { 4449 // Should not happen at all. Just log an error. 4450 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4451 } 4452 } else { 4453 resourcePath = pkg.codePath; 4454 baseResourcePath = pkg.baseCodePath; 4455 } 4456 4457 // Set application objects path explicitly. 4458 pkg.applicationInfo.setCodePath(pkg.codePath); 4459 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4460 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4461 pkg.applicationInfo.setResourcePath(resourcePath); 4462 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4463 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4464 4465 // Note that we invoke the following method only if we are about to unpack an application 4466 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4467 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4468 4469 /* 4470 * If the system app should be overridden by a previously installed 4471 * data, hide the system app now and let the /data/app scan pick it up 4472 * again. 4473 */ 4474 if (shouldHideSystemApp) { 4475 synchronized (mPackages) { 4476 /* 4477 * We have to grant systems permissions before we hide, because 4478 * grantPermissions will assume the package update is trying to 4479 * expand its permissions. 4480 */ 4481 grantPermissionsLPw(pkg, true, pkg.packageName); 4482 mSettings.disableSystemPackageLPw(pkg.packageName); 4483 } 4484 } 4485 4486 return scannedPkg; 4487 } 4488 4489 private static String fixProcessName(String defProcessName, 4490 String processName, int uid) { 4491 if (processName == null) { 4492 return defProcessName; 4493 } 4494 return processName; 4495 } 4496 4497 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4498 throws PackageManagerException { 4499 if (pkgSetting.signatures.mSignatures != null) { 4500 // Already existing package. Make sure signatures match 4501 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4502 == PackageManager.SIGNATURE_MATCH; 4503 if (!match) { 4504 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4505 == PackageManager.SIGNATURE_MATCH; 4506 } 4507 if (!match) { 4508 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4509 == PackageManager.SIGNATURE_MATCH; 4510 } 4511 if (!match) { 4512 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4513 + pkg.packageName + " signatures do not match the " 4514 + "previously installed version; ignoring!"); 4515 } 4516 } 4517 4518 // Check for shared user signatures 4519 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4520 // Already existing package. Make sure signatures match 4521 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4522 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4523 if (!match) { 4524 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4525 == PackageManager.SIGNATURE_MATCH; 4526 } 4527 if (!match) { 4528 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4529 == PackageManager.SIGNATURE_MATCH; 4530 } 4531 if (!match) { 4532 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4533 "Package " + pkg.packageName 4534 + " has no signatures that match those in shared user " 4535 + pkgSetting.sharedUser.name + "; ignoring!"); 4536 } 4537 } 4538 } 4539 4540 /** 4541 * Enforces that only the system UID or root's UID can call a method exposed 4542 * via Binder. 4543 * 4544 * @param message used as message if SecurityException is thrown 4545 * @throws SecurityException if the caller is not system or root 4546 */ 4547 private static final void enforceSystemOrRoot(String message) { 4548 final int uid = Binder.getCallingUid(); 4549 if (uid != Process.SYSTEM_UID && uid != 0) { 4550 throw new SecurityException(message); 4551 } 4552 } 4553 4554 @Override 4555 public void performBootDexOpt() { 4556 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4557 4558 // Before everything else, see whether we need to fstrim. 4559 try { 4560 IMountService ms = PackageHelper.getMountService(); 4561 if (ms != null) { 4562 final boolean isUpgrade = isUpgrade(); 4563 boolean doTrim = isUpgrade; 4564 if (doTrim) { 4565 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4566 } else { 4567 final long interval = android.provider.Settings.Global.getLong( 4568 mContext.getContentResolver(), 4569 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4570 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4571 if (interval > 0) { 4572 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4573 if (timeSinceLast > interval) { 4574 doTrim = true; 4575 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4576 + "; running immediately"); 4577 } 4578 } 4579 } 4580 if (doTrim) { 4581 if (!isFirstBoot()) { 4582 try { 4583 ActivityManagerNative.getDefault().showBootMessage( 4584 mContext.getResources().getString( 4585 R.string.android_upgrading_fstrim), true); 4586 } catch (RemoteException e) { 4587 } 4588 } 4589 ms.runMaintenance(); 4590 } 4591 } else { 4592 Slog.e(TAG, "Mount service unavailable!"); 4593 } 4594 } catch (RemoteException e) { 4595 // Can't happen; MountService is local 4596 } 4597 4598 final ArraySet<PackageParser.Package> pkgs; 4599 synchronized (mPackages) { 4600 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4601 } 4602 4603 if (pkgs != null) { 4604 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4605 // in case the device runs out of space. 4606 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4607 // Give priority to core apps. 4608 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4609 PackageParser.Package pkg = it.next(); 4610 if (pkg.coreApp) { 4611 if (DEBUG_DEXOPT) { 4612 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4613 } 4614 sortedPkgs.add(pkg); 4615 it.remove(); 4616 } 4617 } 4618 // Give priority to system apps that listen for pre boot complete. 4619 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4620 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4621 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4622 PackageParser.Package pkg = it.next(); 4623 if (pkgNames.contains(pkg.packageName)) { 4624 if (DEBUG_DEXOPT) { 4625 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4626 } 4627 sortedPkgs.add(pkg); 4628 it.remove(); 4629 } 4630 } 4631 // Give priority to system apps. 4632 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4633 PackageParser.Package pkg = it.next(); 4634 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 4635 if (DEBUG_DEXOPT) { 4636 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4637 } 4638 sortedPkgs.add(pkg); 4639 it.remove(); 4640 } 4641 } 4642 // Give priority to updated system apps. 4643 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4644 PackageParser.Package pkg = it.next(); 4645 if (pkg.isUpdatedSystemApp()) { 4646 if (DEBUG_DEXOPT) { 4647 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4648 } 4649 sortedPkgs.add(pkg); 4650 it.remove(); 4651 } 4652 } 4653 // Give priority to apps that listen for boot complete. 4654 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4655 pkgNames = getPackageNamesForIntent(intent); 4656 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4657 PackageParser.Package pkg = it.next(); 4658 if (pkgNames.contains(pkg.packageName)) { 4659 if (DEBUG_DEXOPT) { 4660 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4661 } 4662 sortedPkgs.add(pkg); 4663 it.remove(); 4664 } 4665 } 4666 // Filter out packages that aren't recently used. 4667 filterRecentlyUsedApps(pkgs); 4668 // Add all remaining apps. 4669 for (PackageParser.Package pkg : pkgs) { 4670 if (DEBUG_DEXOPT) { 4671 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4672 } 4673 sortedPkgs.add(pkg); 4674 } 4675 4676 // If we want to be lazy, filter everything that wasn't recently used. 4677 if (mLazyDexOpt) { 4678 filterRecentlyUsedApps(sortedPkgs); 4679 } 4680 4681 int i = 0; 4682 int total = sortedPkgs.size(); 4683 File dataDir = Environment.getDataDirectory(); 4684 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4685 if (lowThreshold == 0) { 4686 throw new IllegalStateException("Invalid low memory threshold"); 4687 } 4688 for (PackageParser.Package pkg : sortedPkgs) { 4689 long usableSpace = dataDir.getUsableSpace(); 4690 if (usableSpace < lowThreshold) { 4691 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4692 break; 4693 } 4694 performBootDexOpt(pkg, ++i, total); 4695 } 4696 } 4697 } 4698 4699 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4700 // Filter out packages that aren't recently used. 4701 // 4702 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4703 // should do a full dexopt. 4704 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4705 int total = pkgs.size(); 4706 int skipped = 0; 4707 long now = System.currentTimeMillis(); 4708 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4709 PackageParser.Package pkg = i.next(); 4710 long then = pkg.mLastPackageUsageTimeInMills; 4711 if (then + mDexOptLRUThresholdInMills < now) { 4712 if (DEBUG_DEXOPT) { 4713 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4714 ((then == 0) ? "never" : new Date(then))); 4715 } 4716 i.remove(); 4717 skipped++; 4718 } 4719 } 4720 if (DEBUG_DEXOPT) { 4721 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4722 } 4723 } 4724 } 4725 4726 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4727 List<ResolveInfo> ris = null; 4728 try { 4729 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4730 intent, null, 0, UserHandle.USER_OWNER); 4731 } catch (RemoteException e) { 4732 } 4733 ArraySet<String> pkgNames = new ArraySet<String>(); 4734 if (ris != null) { 4735 for (ResolveInfo ri : ris) { 4736 pkgNames.add(ri.activityInfo.packageName); 4737 } 4738 } 4739 return pkgNames; 4740 } 4741 4742 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4743 if (DEBUG_DEXOPT) { 4744 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4745 } 4746 if (!isFirstBoot()) { 4747 try { 4748 ActivityManagerNative.getDefault().showBootMessage( 4749 mContext.getResources().getString(R.string.android_upgrading_apk, 4750 curr, total), true); 4751 } catch (RemoteException e) { 4752 } 4753 } 4754 PackageParser.Package p = pkg; 4755 synchronized (mInstallLock) { 4756 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4757 false /* force dex */, false /* defer */, true /* include dependencies */); 4758 } 4759 } 4760 4761 @Override 4762 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4763 return performDexOpt(packageName, instructionSet, false); 4764 } 4765 4766 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4767 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4768 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4769 if (!dexopt && !updateUsage) { 4770 // We aren't going to dexopt or update usage, so bail early. 4771 return false; 4772 } 4773 PackageParser.Package p; 4774 final String targetInstructionSet; 4775 synchronized (mPackages) { 4776 p = mPackages.get(packageName); 4777 if (p == null) { 4778 return false; 4779 } 4780 if (updateUsage) { 4781 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4782 } 4783 mPackageUsage.write(false); 4784 if (!dexopt) { 4785 // We aren't going to dexopt, so bail early. 4786 return false; 4787 } 4788 4789 targetInstructionSet = instructionSet != null ? instructionSet : 4790 getPrimaryInstructionSet(p.applicationInfo); 4791 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4792 return false; 4793 } 4794 } 4795 4796 synchronized (mInstallLock) { 4797 final String[] instructionSets = new String[] { targetInstructionSet }; 4798 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4799 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4800 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4801 } 4802 } 4803 4804 public ArraySet<String> getPackagesThatNeedDexOpt() { 4805 ArraySet<String> pkgs = null; 4806 synchronized (mPackages) { 4807 for (PackageParser.Package p : mPackages.values()) { 4808 if (DEBUG_DEXOPT) { 4809 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4810 } 4811 if (!p.mDexOptPerformed.isEmpty()) { 4812 continue; 4813 } 4814 if (pkgs == null) { 4815 pkgs = new ArraySet<String>(); 4816 } 4817 pkgs.add(p.packageName); 4818 } 4819 } 4820 return pkgs; 4821 } 4822 4823 public void shutdown() { 4824 mPackageUsage.write(true); 4825 } 4826 4827 @Override 4828 public void forceDexOpt(String packageName) { 4829 enforceSystemOrRoot("forceDexOpt"); 4830 4831 PackageParser.Package pkg; 4832 synchronized (mPackages) { 4833 pkg = mPackages.get(packageName); 4834 if (pkg == null) { 4835 throw new IllegalArgumentException("Missing package: " + packageName); 4836 } 4837 } 4838 4839 synchronized (mInstallLock) { 4840 final String[] instructionSets = new String[] { 4841 getPrimaryInstructionSet(pkg.applicationInfo) }; 4842 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4843 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4844 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4845 throw new IllegalStateException("Failed to dexopt: " + res); 4846 } 4847 } 4848 } 4849 4850 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4851 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4852 Slog.w(TAG, "Unable to update from " + oldPkg.name 4853 + " to " + newPkg.packageName 4854 + ": old package not in system partition"); 4855 return false; 4856 } else if (mPackages.get(oldPkg.name) != null) { 4857 Slog.w(TAG, "Unable to update from " + oldPkg.name 4858 + " to " + newPkg.packageName 4859 + ": old package still exists"); 4860 return false; 4861 } 4862 return true; 4863 } 4864 4865 private File getDataPathForPackage(String packageName, int userId) { 4866 /* 4867 * Until we fully support multiple users, return the directory we 4868 * previously would have. The PackageManagerTests will need to be 4869 * revised when this is changed back.. 4870 */ 4871 if (userId == 0) { 4872 return new File(mAppDataDir, packageName); 4873 } else { 4874 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4875 + File.separator + packageName); 4876 } 4877 } 4878 4879 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4880 int[] users = sUserManager.getUserIds(); 4881 int res = mInstaller.install(packageName, uid, uid, seinfo); 4882 if (res < 0) { 4883 return res; 4884 } 4885 for (int user : users) { 4886 if (user != 0) { 4887 res = mInstaller.createUserData(packageName, 4888 UserHandle.getUid(user, uid), user, seinfo); 4889 if (res < 0) { 4890 return res; 4891 } 4892 } 4893 } 4894 return res; 4895 } 4896 4897 private int removeDataDirsLI(String packageName) { 4898 int[] users = sUserManager.getUserIds(); 4899 int res = 0; 4900 for (int user : users) { 4901 int resInner = mInstaller.remove(packageName, user); 4902 if (resInner < 0) { 4903 res = resInner; 4904 } 4905 } 4906 4907 return res; 4908 } 4909 4910 private int deleteCodeCacheDirsLI(String packageName) { 4911 int[] users = sUserManager.getUserIds(); 4912 int res = 0; 4913 for (int user : users) { 4914 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4915 if (resInner < 0) { 4916 res = resInner; 4917 } 4918 } 4919 return res; 4920 } 4921 4922 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4923 PackageParser.Package changingLib) { 4924 if (file.path != null) { 4925 usesLibraryFiles.add(file.path); 4926 return; 4927 } 4928 PackageParser.Package p = mPackages.get(file.apk); 4929 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4930 // If we are doing this while in the middle of updating a library apk, 4931 // then we need to make sure to use that new apk for determining the 4932 // dependencies here. (We haven't yet finished committing the new apk 4933 // to the package manager state.) 4934 if (p == null || p.packageName.equals(changingLib.packageName)) { 4935 p = changingLib; 4936 } 4937 } 4938 if (p != null) { 4939 usesLibraryFiles.addAll(p.getAllCodePaths()); 4940 } 4941 } 4942 4943 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4944 PackageParser.Package changingLib) throws PackageManagerException { 4945 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4946 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4947 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4948 for (int i=0; i<N; i++) { 4949 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4950 if (file == null) { 4951 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4952 "Package " + pkg.packageName + " requires unavailable shared library " 4953 + pkg.usesLibraries.get(i) + "; failing!"); 4954 } 4955 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4956 } 4957 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4958 for (int i=0; i<N; i++) { 4959 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4960 if (file == null) { 4961 Slog.w(TAG, "Package " + pkg.packageName 4962 + " desires unavailable shared library " 4963 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4964 } else { 4965 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4966 } 4967 } 4968 N = usesLibraryFiles.size(); 4969 if (N > 0) { 4970 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4971 } else { 4972 pkg.usesLibraryFiles = null; 4973 } 4974 } 4975 } 4976 4977 private static boolean hasString(List<String> list, List<String> which) { 4978 if (list == null) { 4979 return false; 4980 } 4981 for (int i=list.size()-1; i>=0; i--) { 4982 for (int j=which.size()-1; j>=0; j--) { 4983 if (which.get(j).equals(list.get(i))) { 4984 return true; 4985 } 4986 } 4987 } 4988 return false; 4989 } 4990 4991 private void updateAllSharedLibrariesLPw() { 4992 for (PackageParser.Package pkg : mPackages.values()) { 4993 try { 4994 updateSharedLibrariesLPw(pkg, null); 4995 } catch (PackageManagerException e) { 4996 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4997 } 4998 } 4999 } 5000 5001 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5002 PackageParser.Package changingPkg) { 5003 ArrayList<PackageParser.Package> res = null; 5004 for (PackageParser.Package pkg : mPackages.values()) { 5005 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5006 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5007 if (res == null) { 5008 res = new ArrayList<PackageParser.Package>(); 5009 } 5010 res.add(pkg); 5011 try { 5012 updateSharedLibrariesLPw(pkg, changingPkg); 5013 } catch (PackageManagerException e) { 5014 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5015 } 5016 } 5017 } 5018 return res; 5019 } 5020 5021 /** 5022 * Derive the value of the {@code cpuAbiOverride} based on the provided 5023 * value and an optional stored value from the package settings. 5024 */ 5025 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5026 String cpuAbiOverride = null; 5027 5028 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5029 cpuAbiOverride = null; 5030 } else if (abiOverride != null) { 5031 cpuAbiOverride = abiOverride; 5032 } else if (settings != null) { 5033 cpuAbiOverride = settings.cpuAbiOverrideString; 5034 } 5035 5036 return cpuAbiOverride; 5037 } 5038 5039 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5040 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5041 boolean success = false; 5042 try { 5043 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5044 currentTime, user); 5045 success = true; 5046 return res; 5047 } finally { 5048 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5049 removeDataDirsLI(pkg.packageName); 5050 } 5051 } 5052 } 5053 5054 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5055 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5056 final File scanFile = new File(pkg.codePath); 5057 if (pkg.applicationInfo.getCodePath() == null || 5058 pkg.applicationInfo.getResourcePath() == null) { 5059 // Bail out. The resource and code paths haven't been set. 5060 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5061 "Code and resource paths haven't been set correctly"); 5062 } 5063 5064 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5065 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5066 } else { 5067 // Only allow system apps to be flagged as core apps. 5068 pkg.coreApp = false; 5069 } 5070 5071 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5072 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5073 } 5074 5075 if (mCustomResolverComponentName != null && 5076 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5077 setUpCustomResolverActivity(pkg); 5078 } 5079 5080 if (pkg.packageName.equals("android")) { 5081 synchronized (mPackages) { 5082 if (mAndroidApplication != null) { 5083 Slog.w(TAG, "*************************************************"); 5084 Slog.w(TAG, "Core android package being redefined. Skipping."); 5085 Slog.w(TAG, " file=" + scanFile); 5086 Slog.w(TAG, "*************************************************"); 5087 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5088 "Core android package being redefined. Skipping."); 5089 } 5090 5091 // Set up information for our fall-back user intent resolution activity. 5092 mPlatformPackage = pkg; 5093 pkg.mVersionCode = mSdkVersion; 5094 mAndroidApplication = pkg.applicationInfo; 5095 5096 if (!mResolverReplaced) { 5097 mResolveActivity.applicationInfo = mAndroidApplication; 5098 mResolveActivity.name = ResolverActivity.class.getName(); 5099 mResolveActivity.packageName = mAndroidApplication.packageName; 5100 mResolveActivity.processName = "system:ui"; 5101 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5102 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5103 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5104 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5105 mResolveActivity.exported = true; 5106 mResolveActivity.enabled = true; 5107 mResolveInfo.activityInfo = mResolveActivity; 5108 mResolveInfo.priority = 0; 5109 mResolveInfo.preferredOrder = 0; 5110 mResolveInfo.match = 0; 5111 mResolveComponentName = new ComponentName( 5112 mAndroidApplication.packageName, mResolveActivity.name); 5113 } 5114 } 5115 } 5116 5117 if (DEBUG_PACKAGE_SCANNING) { 5118 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5119 Log.d(TAG, "Scanning package " + pkg.packageName); 5120 } 5121 5122 if (mPackages.containsKey(pkg.packageName) 5123 || mSharedLibraries.containsKey(pkg.packageName)) { 5124 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5125 "Application package " + pkg.packageName 5126 + " already installed. Skipping duplicate."); 5127 } 5128 5129 // Initialize package source and resource directories 5130 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5131 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5132 5133 SharedUserSetting suid = null; 5134 PackageSetting pkgSetting = null; 5135 5136 if (!isSystemApp(pkg)) { 5137 // Only system apps can use these features. 5138 pkg.mOriginalPackages = null; 5139 pkg.mRealPackage = null; 5140 pkg.mAdoptPermissions = null; 5141 } 5142 5143 // writer 5144 synchronized (mPackages) { 5145 if (pkg.mSharedUserId != null) { 5146 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5147 if (suid == null) { 5148 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5149 "Creating application package " + pkg.packageName 5150 + " for shared user failed"); 5151 } 5152 if (DEBUG_PACKAGE_SCANNING) { 5153 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5154 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5155 + "): packages=" + suid.packages); 5156 } 5157 } 5158 5159 // Check if we are renaming from an original package name. 5160 PackageSetting origPackage = null; 5161 String realName = null; 5162 if (pkg.mOriginalPackages != null) { 5163 // This package may need to be renamed to a previously 5164 // installed name. Let's check on that... 5165 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5166 if (pkg.mOriginalPackages.contains(renamed)) { 5167 // This package had originally been installed as the 5168 // original name, and we have already taken care of 5169 // transitioning to the new one. Just update the new 5170 // one to continue using the old name. 5171 realName = pkg.mRealPackage; 5172 if (!pkg.packageName.equals(renamed)) { 5173 // Callers into this function may have already taken 5174 // care of renaming the package; only do it here if 5175 // it is not already done. 5176 pkg.setPackageName(renamed); 5177 } 5178 5179 } else { 5180 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5181 if ((origPackage = mSettings.peekPackageLPr( 5182 pkg.mOriginalPackages.get(i))) != null) { 5183 // We do have the package already installed under its 5184 // original name... should we use it? 5185 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5186 // New package is not compatible with original. 5187 origPackage = null; 5188 continue; 5189 } else if (origPackage.sharedUser != null) { 5190 // Make sure uid is compatible between packages. 5191 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5192 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5193 + " to " + pkg.packageName + ": old uid " 5194 + origPackage.sharedUser.name 5195 + " differs from " + pkg.mSharedUserId); 5196 origPackage = null; 5197 continue; 5198 } 5199 } else { 5200 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5201 + pkg.packageName + " to old name " + origPackage.name); 5202 } 5203 break; 5204 } 5205 } 5206 } 5207 } 5208 5209 if (mTransferedPackages.contains(pkg.packageName)) { 5210 Slog.w(TAG, "Package " + pkg.packageName 5211 + " was transferred to another, but its .apk remains"); 5212 } 5213 5214 // Just create the setting, don't add it yet. For already existing packages 5215 // the PkgSetting exists already and doesn't have to be created. 5216 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5217 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5218 pkg.applicationInfo.primaryCpuAbi, 5219 pkg.applicationInfo.secondaryCpuAbi, 5220 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5221 user, false); 5222 if (pkgSetting == null) { 5223 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5224 "Creating application package " + pkg.packageName + " failed"); 5225 } 5226 5227 if (pkgSetting.origPackage != null) { 5228 // If we are first transitioning from an original package, 5229 // fix up the new package's name now. We need to do this after 5230 // looking up the package under its new name, so getPackageLP 5231 // can take care of fiddling things correctly. 5232 pkg.setPackageName(origPackage.name); 5233 5234 // File a report about this. 5235 String msg = "New package " + pkgSetting.realName 5236 + " renamed to replace old package " + pkgSetting.name; 5237 reportSettingsProblem(Log.WARN, msg); 5238 5239 // Make a note of it. 5240 mTransferedPackages.add(origPackage.name); 5241 5242 // No longer need to retain this. 5243 pkgSetting.origPackage = null; 5244 } 5245 5246 if (realName != null) { 5247 // Make a note of it. 5248 mTransferedPackages.add(pkg.packageName); 5249 } 5250 5251 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5252 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5253 } 5254 5255 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5256 // Check all shared libraries and map to their actual file path. 5257 // We only do this here for apps not on a system dir, because those 5258 // are the only ones that can fail an install due to this. We 5259 // will take care of the system apps by updating all of their 5260 // library paths after the scan is done. 5261 updateSharedLibrariesLPw(pkg, null); 5262 } 5263 5264 if (mFoundPolicyFile) { 5265 SELinuxMMAC.assignSeinfoValue(pkg); 5266 } 5267 5268 pkg.applicationInfo.uid = pkgSetting.appId; 5269 pkg.mExtras = pkgSetting; 5270 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5271 try { 5272 verifySignaturesLP(pkgSetting, pkg); 5273 // We just determined the app is signed correctly, so bring 5274 // over the latest parsed certs. 5275 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5276 } catch (PackageManagerException e) { 5277 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5278 throw e; 5279 } 5280 // The signature has changed, but this package is in the system 5281 // image... let's recover! 5282 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5283 // However... if this package is part of a shared user, but it 5284 // doesn't match the signature of the shared user, let's fail. 5285 // What this means is that you can't change the signatures 5286 // associated with an overall shared user, which doesn't seem all 5287 // that unreasonable. 5288 if (pkgSetting.sharedUser != null) { 5289 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5290 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5291 throw new PackageManagerException( 5292 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5293 "Signature mismatch for shared user : " 5294 + pkgSetting.sharedUser); 5295 } 5296 } 5297 // File a report about this. 5298 String msg = "System package " + pkg.packageName 5299 + " signature changed; retaining data."; 5300 reportSettingsProblem(Log.WARN, msg); 5301 } 5302 } else { 5303 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5304 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5305 + pkg.packageName + " upgrade keys do not match the " 5306 + "previously installed version"); 5307 } else { 5308 // We just determined the app is signed correctly, so bring 5309 // over the latest parsed certs. 5310 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5311 } 5312 } 5313 // Verify that this new package doesn't have any content providers 5314 // that conflict with existing packages. Only do this if the 5315 // package isn't already installed, since we don't want to break 5316 // things that are installed. 5317 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5318 final int N = pkg.providers.size(); 5319 int i; 5320 for (i=0; i<N; i++) { 5321 PackageParser.Provider p = pkg.providers.get(i); 5322 if (p.info.authority != null) { 5323 String names[] = p.info.authority.split(";"); 5324 for (int j = 0; j < names.length; j++) { 5325 if (mProvidersByAuthority.containsKey(names[j])) { 5326 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5327 final String otherPackageName = 5328 ((other != null && other.getComponentName() != null) ? 5329 other.getComponentName().getPackageName() : "?"); 5330 throw new PackageManagerException( 5331 INSTALL_FAILED_CONFLICTING_PROVIDER, 5332 "Can't install because provider name " + names[j] 5333 + " (in package " + pkg.applicationInfo.packageName 5334 + ") is already used by " + otherPackageName); 5335 } 5336 } 5337 } 5338 } 5339 } 5340 5341 if (pkg.mAdoptPermissions != null) { 5342 // This package wants to adopt ownership of permissions from 5343 // another package. 5344 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5345 final String origName = pkg.mAdoptPermissions.get(i); 5346 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5347 if (orig != null) { 5348 if (verifyPackageUpdateLPr(orig, pkg)) { 5349 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5350 + pkg.packageName); 5351 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5352 } 5353 } 5354 } 5355 } 5356 } 5357 5358 final String pkgName = pkg.packageName; 5359 5360 final long scanFileTime = scanFile.lastModified(); 5361 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5362 pkg.applicationInfo.processName = fixProcessName( 5363 pkg.applicationInfo.packageName, 5364 pkg.applicationInfo.processName, 5365 pkg.applicationInfo.uid); 5366 5367 File dataPath; 5368 if (mPlatformPackage == pkg) { 5369 // The system package is special. 5370 dataPath = new File(Environment.getDataDirectory(), "system"); 5371 5372 pkg.applicationInfo.dataDir = dataPath.getPath(); 5373 5374 } else { 5375 // This is a normal package, need to make its data directory. 5376 dataPath = getDataPathForPackage(pkg.packageName, 0); 5377 5378 boolean uidError = false; 5379 if (dataPath.exists()) { 5380 int currentUid = 0; 5381 try { 5382 StructStat stat = Os.stat(dataPath.getPath()); 5383 currentUid = stat.st_uid; 5384 } catch (ErrnoException e) { 5385 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5386 } 5387 5388 // If we have mismatched owners for the data path, we have a problem. 5389 if (currentUid != pkg.applicationInfo.uid) { 5390 boolean recovered = false; 5391 if (currentUid == 0) { 5392 // The directory somehow became owned by root. Wow. 5393 // This is probably because the system was stopped while 5394 // installd was in the middle of messing with its libs 5395 // directory. Ask installd to fix that. 5396 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5397 pkg.applicationInfo.uid); 5398 if (ret >= 0) { 5399 recovered = true; 5400 String msg = "Package " + pkg.packageName 5401 + " unexpectedly changed to uid 0; recovered to " + 5402 + pkg.applicationInfo.uid; 5403 reportSettingsProblem(Log.WARN, msg); 5404 } 5405 } 5406 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5407 || (scanFlags&SCAN_BOOTING) != 0)) { 5408 // If this is a system app, we can at least delete its 5409 // current data so the application will still work. 5410 int ret = removeDataDirsLI(pkgName); 5411 if (ret >= 0) { 5412 // TODO: Kill the processes first 5413 // Old data gone! 5414 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5415 ? "System package " : "Third party package "; 5416 String msg = prefix + pkg.packageName 5417 + " has changed from uid: " 5418 + currentUid + " to " 5419 + pkg.applicationInfo.uid + "; old data erased"; 5420 reportSettingsProblem(Log.WARN, msg); 5421 recovered = true; 5422 5423 // And now re-install the app. 5424 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5425 pkg.applicationInfo.seinfo); 5426 if (ret == -1) { 5427 // Ack should not happen! 5428 msg = prefix + pkg.packageName 5429 + " could not have data directory re-created after delete."; 5430 reportSettingsProblem(Log.WARN, msg); 5431 throw new PackageManagerException( 5432 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5433 } 5434 } 5435 if (!recovered) { 5436 mHasSystemUidErrors = true; 5437 } 5438 } else if (!recovered) { 5439 // If we allow this install to proceed, we will be broken. 5440 // Abort, abort! 5441 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5442 "scanPackageLI"); 5443 } 5444 if (!recovered) { 5445 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5446 + pkg.applicationInfo.uid + "/fs_" 5447 + currentUid; 5448 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5449 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5450 String msg = "Package " + pkg.packageName 5451 + " has mismatched uid: " 5452 + currentUid + " on disk, " 5453 + pkg.applicationInfo.uid + " in settings"; 5454 // writer 5455 synchronized (mPackages) { 5456 mSettings.mReadMessages.append(msg); 5457 mSettings.mReadMessages.append('\n'); 5458 uidError = true; 5459 if (!pkgSetting.uidError) { 5460 reportSettingsProblem(Log.ERROR, msg); 5461 } 5462 } 5463 } 5464 } 5465 pkg.applicationInfo.dataDir = dataPath.getPath(); 5466 if (mShouldRestoreconData) { 5467 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5468 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5469 pkg.applicationInfo.uid); 5470 } 5471 } else { 5472 if (DEBUG_PACKAGE_SCANNING) { 5473 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5474 Log.v(TAG, "Want this data dir: " + dataPath); 5475 } 5476 //invoke installer to do the actual installation 5477 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5478 pkg.applicationInfo.seinfo); 5479 if (ret < 0) { 5480 // Error from installer 5481 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5482 "Unable to create data dirs [errorCode=" + ret + "]"); 5483 } 5484 5485 if (dataPath.exists()) { 5486 pkg.applicationInfo.dataDir = dataPath.getPath(); 5487 } else { 5488 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5489 pkg.applicationInfo.dataDir = null; 5490 } 5491 } 5492 5493 pkgSetting.uidError = uidError; 5494 } 5495 5496 final String path = scanFile.getPath(); 5497 final String codePath = pkg.applicationInfo.getCodePath(); 5498 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5499 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5500 setBundledAppAbisAndRoots(pkg, pkgSetting); 5501 5502 // If we haven't found any native libraries for the app, check if it has 5503 // renderscript code. We'll need to force the app to 32 bit if it has 5504 // renderscript bitcode. 5505 if (pkg.applicationInfo.primaryCpuAbi == null 5506 && pkg.applicationInfo.secondaryCpuAbi == null 5507 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5508 NativeLibraryHelper.Handle handle = null; 5509 try { 5510 handle = NativeLibraryHelper.Handle.create(scanFile); 5511 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5512 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5513 } 5514 } catch (IOException ioe) { 5515 Slog.w(TAG, "Error scanning system app : " + ioe); 5516 } finally { 5517 IoUtils.closeQuietly(handle); 5518 } 5519 } 5520 5521 setNativeLibraryPaths(pkg); 5522 } else { 5523 // TODO: We can probably be smarter about this stuff. For installed apps, 5524 // we can calculate this information at install time once and for all. For 5525 // system apps, we can probably assume that this information doesn't change 5526 // after the first boot scan. As things stand, we do lots of unnecessary work. 5527 5528 // Give ourselves some initial paths; we'll come back for another 5529 // pass once we've determined ABI below. 5530 setNativeLibraryPaths(pkg); 5531 5532 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 5533 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5534 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5535 5536 NativeLibraryHelper.Handle handle = null; 5537 try { 5538 handle = NativeLibraryHelper.Handle.create(scanFile); 5539 // TODO(multiArch): This can be null for apps that didn't go through the 5540 // usual installation process. We can calculate it again, like we 5541 // do during install time. 5542 // 5543 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5544 // unnecessary. 5545 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5546 5547 // Null out the abis so that they can be recalculated. 5548 pkg.applicationInfo.primaryCpuAbi = null; 5549 pkg.applicationInfo.secondaryCpuAbi = null; 5550 if (isMultiArch(pkg.applicationInfo)) { 5551 // Warn if we've set an abiOverride for multi-lib packages.. 5552 // By definition, we need to copy both 32 and 64 bit libraries for 5553 // such packages. 5554 if (pkg.cpuAbiOverride != null 5555 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5556 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5557 } 5558 5559 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5560 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5561 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5562 if (isAsec) { 5563 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5564 } else { 5565 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5566 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5567 useIsaSpecificSubdirs); 5568 } 5569 } 5570 5571 maybeThrowExceptionForMultiArchCopy( 5572 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5573 5574 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5575 if (isAsec) { 5576 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5577 } else { 5578 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5579 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5580 useIsaSpecificSubdirs); 5581 } 5582 } 5583 5584 maybeThrowExceptionForMultiArchCopy( 5585 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5586 5587 if (abi64 >= 0) { 5588 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5589 } 5590 5591 if (abi32 >= 0) { 5592 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5593 if (abi64 >= 0) { 5594 pkg.applicationInfo.secondaryCpuAbi = abi; 5595 } else { 5596 pkg.applicationInfo.primaryCpuAbi = abi; 5597 } 5598 } 5599 } else { 5600 String[] abiList = (cpuAbiOverride != null) ? 5601 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5602 5603 // Enable gross and lame hacks for apps that are built with old 5604 // SDK tools. We must scan their APKs for renderscript bitcode and 5605 // not launch them if it's present. Don't bother checking on devices 5606 // that don't have 64 bit support. 5607 boolean needsRenderScriptOverride = false; 5608 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5609 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5610 abiList = Build.SUPPORTED_32_BIT_ABIS; 5611 needsRenderScriptOverride = true; 5612 } 5613 5614 final int copyRet; 5615 if (isAsec) { 5616 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5617 } else { 5618 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5619 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5620 } 5621 5622 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5623 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5624 "Error unpackaging native libs for app, errorCode=" + copyRet); 5625 } 5626 5627 if (copyRet >= 0) { 5628 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5629 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5630 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5631 } else if (needsRenderScriptOverride) { 5632 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5633 } 5634 } 5635 } catch (IOException ioe) { 5636 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5637 } finally { 5638 IoUtils.closeQuietly(handle); 5639 } 5640 5641 // Now that we've calculated the ABIs and determined if it's an internal app, 5642 // we will go ahead and populate the nativeLibraryPath. 5643 setNativeLibraryPaths(pkg); 5644 5645 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5646 final int[] userIds = sUserManager.getUserIds(); 5647 synchronized (mInstallLock) { 5648 // Create a native library symlink only if we have native libraries 5649 // and if the native libraries are 32 bit libraries. We do not provide 5650 // this symlink for 64 bit libraries. 5651 if (pkg.applicationInfo.primaryCpuAbi != null && 5652 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5653 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5654 for (int userId : userIds) { 5655 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5656 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5657 "Failed linking native library dir (user=" + userId + ")"); 5658 } 5659 } 5660 } 5661 } 5662 } 5663 5664 // This is a special case for the "system" package, where the ABI is 5665 // dictated by the zygote configuration (and init.rc). We should keep track 5666 // of this ABI so that we can deal with "normal" applications that run under 5667 // the same UID correctly. 5668 if (mPlatformPackage == pkg) { 5669 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5670 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5671 } 5672 5673 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5674 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5675 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5676 // Copy the derived override back to the parsed package, so that we can 5677 // update the package settings accordingly. 5678 pkg.cpuAbiOverride = cpuAbiOverride; 5679 5680 if (DEBUG_ABI_SELECTION) { 5681 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5682 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5683 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5684 } 5685 5686 // Push the derived path down into PackageSettings so we know what to 5687 // clean up at uninstall time. 5688 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5689 5690 if (DEBUG_ABI_SELECTION) { 5691 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5692 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5693 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5694 } 5695 5696 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5697 // We don't do this here during boot because we can do it all 5698 // at once after scanning all existing packages. 5699 // 5700 // We also do this *before* we perform dexopt on this package, so that 5701 // we can avoid redundant dexopts, and also to make sure we've got the 5702 // code and package path correct. 5703 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5704 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5705 } 5706 5707 if ((scanFlags & SCAN_NO_DEX) == 0) { 5708 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5709 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5710 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5711 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5712 } 5713 } 5714 if (mFactoryTest && pkg.requestedPermissions.contains( 5715 android.Manifest.permission.FACTORY_TEST)) { 5716 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5717 } 5718 5719 ArrayList<PackageParser.Package> clientLibPkgs = null; 5720 5721 // writer 5722 synchronized (mPackages) { 5723 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5724 // Only system apps can add new shared libraries. 5725 if (pkg.libraryNames != null) { 5726 for (int i=0; i<pkg.libraryNames.size(); i++) { 5727 String name = pkg.libraryNames.get(i); 5728 boolean allowed = false; 5729 if (pkg.isUpdatedSystemApp()) { 5730 // New library entries can only be added through the 5731 // system image. This is important to get rid of a lot 5732 // of nasty edge cases: for example if we allowed a non- 5733 // system update of the app to add a library, then uninstalling 5734 // the update would make the library go away, and assumptions 5735 // we made such as through app install filtering would now 5736 // have allowed apps on the device which aren't compatible 5737 // with it. Better to just have the restriction here, be 5738 // conservative, and create many fewer cases that can negatively 5739 // impact the user experience. 5740 final PackageSetting sysPs = mSettings 5741 .getDisabledSystemPkgLPr(pkg.packageName); 5742 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5743 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5744 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5745 allowed = true; 5746 allowed = true; 5747 break; 5748 } 5749 } 5750 } 5751 } else { 5752 allowed = true; 5753 } 5754 if (allowed) { 5755 if (!mSharedLibraries.containsKey(name)) { 5756 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5757 } else if (!name.equals(pkg.packageName)) { 5758 Slog.w(TAG, "Package " + pkg.packageName + " library " 5759 + name + " already exists; skipping"); 5760 } 5761 } else { 5762 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5763 + name + " that is not declared on system image; skipping"); 5764 } 5765 } 5766 if ((scanFlags&SCAN_BOOTING) == 0) { 5767 // If we are not booting, we need to update any applications 5768 // that are clients of our shared library. If we are booting, 5769 // this will all be done once the scan is complete. 5770 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5771 } 5772 } 5773 } 5774 } 5775 5776 // We also need to dexopt any apps that are dependent on this library. Note that 5777 // if these fail, we should abort the install since installing the library will 5778 // result in some apps being broken. 5779 if (clientLibPkgs != null) { 5780 if ((scanFlags & SCAN_NO_DEX) == 0) { 5781 for (int i = 0; i < clientLibPkgs.size(); i++) { 5782 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5783 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5784 null /* instruction sets */, forceDex, 5785 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5786 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5787 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5788 "scanPackageLI failed to dexopt clientLibPkgs"); 5789 } 5790 } 5791 } 5792 } 5793 5794 // Request the ActivityManager to kill the process(only for existing packages) 5795 // so that we do not end up in a confused state while the user is still using the older 5796 // version of the application while the new one gets installed. 5797 if ((scanFlags & SCAN_REPLACING) != 0) { 5798 killApplication(pkg.applicationInfo.packageName, 5799 pkg.applicationInfo.uid, "update pkg"); 5800 } 5801 5802 // Also need to kill any apps that are dependent on the library. 5803 if (clientLibPkgs != null) { 5804 for (int i=0; i<clientLibPkgs.size(); i++) { 5805 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5806 killApplication(clientPkg.applicationInfo.packageName, 5807 clientPkg.applicationInfo.uid, "update lib"); 5808 } 5809 } 5810 5811 // writer 5812 synchronized (mPackages) { 5813 // We don't expect installation to fail beyond this point 5814 5815 // Add the new setting to mSettings 5816 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5817 // Add the new setting to mPackages 5818 mPackages.put(pkg.applicationInfo.packageName, pkg); 5819 // Make sure we don't accidentally delete its data. 5820 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5821 while (iter.hasNext()) { 5822 PackageCleanItem item = iter.next(); 5823 if (pkgName.equals(item.packageName)) { 5824 iter.remove(); 5825 } 5826 } 5827 5828 // Take care of first install / last update times. 5829 if (currentTime != 0) { 5830 if (pkgSetting.firstInstallTime == 0) { 5831 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5832 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5833 pkgSetting.lastUpdateTime = currentTime; 5834 } 5835 } else if (pkgSetting.firstInstallTime == 0) { 5836 // We need *something*. Take time time stamp of the file. 5837 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5838 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5839 if (scanFileTime != pkgSetting.timeStamp) { 5840 // A package on the system image has changed; consider this 5841 // to be an update. 5842 pkgSetting.lastUpdateTime = scanFileTime; 5843 } 5844 } 5845 5846 // Add the package's KeySets to the global KeySetManagerService 5847 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5848 try { 5849 // Old KeySetData no longer valid. 5850 ksms.removeAppKeySetDataLPw(pkg.packageName); 5851 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5852 if (pkg.mKeySetMapping != null) { 5853 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5854 pkg.mKeySetMapping.entrySet()) { 5855 if (entry.getValue() != null) { 5856 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5857 entry.getValue(), entry.getKey()); 5858 } 5859 } 5860 if (pkg.mUpgradeKeySets != null) { 5861 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5862 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5863 } 5864 } 5865 } 5866 } catch (NullPointerException e) { 5867 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5868 } catch (IllegalArgumentException e) { 5869 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5870 } 5871 5872 int N = pkg.providers.size(); 5873 StringBuilder r = null; 5874 int i; 5875 for (i=0; i<N; i++) { 5876 PackageParser.Provider p = pkg.providers.get(i); 5877 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5878 p.info.processName, pkg.applicationInfo.uid); 5879 mProviders.addProvider(p); 5880 p.syncable = p.info.isSyncable; 5881 if (p.info.authority != null) { 5882 String names[] = p.info.authority.split(";"); 5883 p.info.authority = null; 5884 for (int j = 0; j < names.length; j++) { 5885 if (j == 1 && p.syncable) { 5886 // We only want the first authority for a provider to possibly be 5887 // syncable, so if we already added this provider using a different 5888 // authority clear the syncable flag. We copy the provider before 5889 // changing it because the mProviders object contains a reference 5890 // to a provider that we don't want to change. 5891 // Only do this for the second authority since the resulting provider 5892 // object can be the same for all future authorities for this provider. 5893 p = new PackageParser.Provider(p); 5894 p.syncable = false; 5895 } 5896 if (!mProvidersByAuthority.containsKey(names[j])) { 5897 mProvidersByAuthority.put(names[j], p); 5898 if (p.info.authority == null) { 5899 p.info.authority = names[j]; 5900 } else { 5901 p.info.authority = p.info.authority + ";" + names[j]; 5902 } 5903 if (DEBUG_PACKAGE_SCANNING) { 5904 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5905 Log.d(TAG, "Registered content provider: " + names[j] 5906 + ", className = " + p.info.name + ", isSyncable = " 5907 + p.info.isSyncable); 5908 } 5909 } else { 5910 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5911 Slog.w(TAG, "Skipping provider name " + names[j] + 5912 " (in package " + pkg.applicationInfo.packageName + 5913 "): name already used by " 5914 + ((other != null && other.getComponentName() != null) 5915 ? other.getComponentName().getPackageName() : "?")); 5916 } 5917 } 5918 } 5919 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5920 if (r == null) { 5921 r = new StringBuilder(256); 5922 } else { 5923 r.append(' '); 5924 } 5925 r.append(p.info.name); 5926 } 5927 } 5928 if (r != null) { 5929 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5930 } 5931 5932 N = pkg.services.size(); 5933 r = null; 5934 for (i=0; i<N; i++) { 5935 PackageParser.Service s = pkg.services.get(i); 5936 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5937 s.info.processName, pkg.applicationInfo.uid); 5938 mServices.addService(s); 5939 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5940 if (r == null) { 5941 r = new StringBuilder(256); 5942 } else { 5943 r.append(' '); 5944 } 5945 r.append(s.info.name); 5946 } 5947 } 5948 if (r != null) { 5949 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5950 } 5951 5952 N = pkg.receivers.size(); 5953 r = null; 5954 for (i=0; i<N; i++) { 5955 PackageParser.Activity a = pkg.receivers.get(i); 5956 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5957 a.info.processName, pkg.applicationInfo.uid); 5958 mReceivers.addActivity(a, "receiver"); 5959 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5960 if (r == null) { 5961 r = new StringBuilder(256); 5962 } else { 5963 r.append(' '); 5964 } 5965 r.append(a.info.name); 5966 } 5967 } 5968 if (r != null) { 5969 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5970 } 5971 5972 N = pkg.activities.size(); 5973 r = null; 5974 for (i=0; i<N; i++) { 5975 PackageParser.Activity a = pkg.activities.get(i); 5976 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5977 a.info.processName, pkg.applicationInfo.uid); 5978 mActivities.addActivity(a, "activity"); 5979 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5980 if (r == null) { 5981 r = new StringBuilder(256); 5982 } else { 5983 r.append(' '); 5984 } 5985 r.append(a.info.name); 5986 } 5987 } 5988 if (r != null) { 5989 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5990 } 5991 5992 N = pkg.permissionGroups.size(); 5993 r = null; 5994 for (i=0; i<N; i++) { 5995 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5996 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5997 if (cur == null) { 5998 mPermissionGroups.put(pg.info.name, pg); 5999 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6000 if (r == null) { 6001 r = new StringBuilder(256); 6002 } else { 6003 r.append(' '); 6004 } 6005 r.append(pg.info.name); 6006 } 6007 } else { 6008 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6009 + pg.info.packageName + " ignored: original from " 6010 + cur.info.packageName); 6011 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6012 if (r == null) { 6013 r = new StringBuilder(256); 6014 } else { 6015 r.append(' '); 6016 } 6017 r.append("DUP:"); 6018 r.append(pg.info.name); 6019 } 6020 } 6021 } 6022 if (r != null) { 6023 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6024 } 6025 6026 N = pkg.permissions.size(); 6027 r = null; 6028 for (i=0; i<N; i++) { 6029 PackageParser.Permission p = pkg.permissions.get(i); 6030 ArrayMap<String, BasePermission> permissionMap = 6031 p.tree ? mSettings.mPermissionTrees 6032 : mSettings.mPermissions; 6033 p.group = mPermissionGroups.get(p.info.group); 6034 if (p.info.group == null || p.group != null) { 6035 BasePermission bp = permissionMap.get(p.info.name); 6036 6037 // Allow system apps to redefine non-system permissions 6038 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6039 final boolean currentOwnerIsSystem = (bp.perm != null 6040 && isSystemApp(bp.perm.owner)); 6041 if (isSystemApp(p.owner)) { 6042 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6043 // It's a built-in permission and no owner, take ownership now 6044 bp.packageSetting = pkgSetting; 6045 bp.perm = p; 6046 bp.uid = pkg.applicationInfo.uid; 6047 bp.sourcePackage = p.info.packageName; 6048 } else if (!currentOwnerIsSystem) { 6049 String msg = "New decl " + p.owner + " of permission " 6050 + p.info.name + " is system; overriding " + bp.sourcePackage; 6051 reportSettingsProblem(Log.WARN, msg); 6052 bp = null; 6053 } 6054 } 6055 } 6056 6057 if (bp == null) { 6058 bp = new BasePermission(p.info.name, p.info.packageName, 6059 BasePermission.TYPE_NORMAL); 6060 permissionMap.put(p.info.name, bp); 6061 } 6062 6063 if (bp.perm == null) { 6064 if (bp.sourcePackage == null 6065 || bp.sourcePackage.equals(p.info.packageName)) { 6066 BasePermission tree = findPermissionTreeLP(p.info.name); 6067 if (tree == null 6068 || tree.sourcePackage.equals(p.info.packageName)) { 6069 bp.packageSetting = pkgSetting; 6070 bp.perm = p; 6071 bp.uid = pkg.applicationInfo.uid; 6072 bp.sourcePackage = p.info.packageName; 6073 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6074 if (r == null) { 6075 r = new StringBuilder(256); 6076 } else { 6077 r.append(' '); 6078 } 6079 r.append(p.info.name); 6080 } 6081 } else { 6082 Slog.w(TAG, "Permission " + p.info.name + " from package " 6083 + p.info.packageName + " ignored: base tree " 6084 + tree.name + " is from package " 6085 + tree.sourcePackage); 6086 } 6087 } else { 6088 Slog.w(TAG, "Permission " + p.info.name + " from package " 6089 + p.info.packageName + " ignored: original from " 6090 + bp.sourcePackage); 6091 } 6092 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6093 if (r == null) { 6094 r = new StringBuilder(256); 6095 } else { 6096 r.append(' '); 6097 } 6098 r.append("DUP:"); 6099 r.append(p.info.name); 6100 } 6101 if (bp.perm == p) { 6102 bp.protectionLevel = p.info.protectionLevel; 6103 } 6104 } else { 6105 Slog.w(TAG, "Permission " + p.info.name + " from package " 6106 + p.info.packageName + " ignored: no group " 6107 + p.group); 6108 } 6109 } 6110 if (r != null) { 6111 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6112 } 6113 6114 N = pkg.instrumentation.size(); 6115 r = null; 6116 for (i=0; i<N; i++) { 6117 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6118 a.info.packageName = pkg.applicationInfo.packageName; 6119 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6120 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6121 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6122 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6123 a.info.dataDir = pkg.applicationInfo.dataDir; 6124 6125 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6126 // need other information about the application, like the ABI and what not ? 6127 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6128 mInstrumentation.put(a.getComponentName(), a); 6129 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6130 if (r == null) { 6131 r = new StringBuilder(256); 6132 } else { 6133 r.append(' '); 6134 } 6135 r.append(a.info.name); 6136 } 6137 } 6138 if (r != null) { 6139 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6140 } 6141 6142 if (pkg.protectedBroadcasts != null) { 6143 N = pkg.protectedBroadcasts.size(); 6144 for (i=0; i<N; i++) { 6145 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6146 } 6147 } 6148 6149 pkgSetting.setTimeStamp(scanFileTime); 6150 6151 // Create idmap files for pairs of (packages, overlay packages). 6152 // Note: "android", ie framework-res.apk, is handled by native layers. 6153 if (pkg.mOverlayTarget != null) { 6154 // This is an overlay package. 6155 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6156 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6157 mOverlays.put(pkg.mOverlayTarget, 6158 new ArrayMap<String, PackageParser.Package>()); 6159 } 6160 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6161 map.put(pkg.packageName, pkg); 6162 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6163 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6164 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6165 "scanPackageLI failed to createIdmap"); 6166 } 6167 } 6168 } else if (mOverlays.containsKey(pkg.packageName) && 6169 !pkg.packageName.equals("android")) { 6170 // This is a regular package, with one or more known overlay packages. 6171 createIdmapsForPackageLI(pkg); 6172 } 6173 } 6174 6175 return pkg; 6176 } 6177 6178 /** 6179 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6180 * i.e, so that all packages can be run inside a single process if required. 6181 * 6182 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6183 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6184 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6185 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6186 * updating a package that belongs to a shared user. 6187 * 6188 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6189 * adds unnecessary complexity. 6190 */ 6191 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6192 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6193 String requiredInstructionSet = null; 6194 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6195 requiredInstructionSet = VMRuntime.getInstructionSet( 6196 scannedPackage.applicationInfo.primaryCpuAbi); 6197 } 6198 6199 PackageSetting requirer = null; 6200 for (PackageSetting ps : packagesForUser) { 6201 // If packagesForUser contains scannedPackage, we skip it. This will happen 6202 // when scannedPackage is an update of an existing package. Without this check, 6203 // we will never be able to change the ABI of any package belonging to a shared 6204 // user, even if it's compatible with other packages. 6205 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6206 if (ps.primaryCpuAbiString == null) { 6207 continue; 6208 } 6209 6210 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6211 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6212 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6213 // this but there's not much we can do. 6214 String errorMessage = "Instruction set mismatch, " 6215 + ((requirer == null) ? "[caller]" : requirer) 6216 + " requires " + requiredInstructionSet + " whereas " + ps 6217 + " requires " + instructionSet; 6218 Slog.w(TAG, errorMessage); 6219 } 6220 6221 if (requiredInstructionSet == null) { 6222 requiredInstructionSet = instructionSet; 6223 requirer = ps; 6224 } 6225 } 6226 } 6227 6228 if (requiredInstructionSet != null) { 6229 String adjustedAbi; 6230 if (requirer != null) { 6231 // requirer != null implies that either scannedPackage was null or that scannedPackage 6232 // did not require an ABI, in which case we have to adjust scannedPackage to match 6233 // the ABI of the set (which is the same as requirer's ABI) 6234 adjustedAbi = requirer.primaryCpuAbiString; 6235 if (scannedPackage != null) { 6236 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6237 } 6238 } else { 6239 // requirer == null implies that we're updating all ABIs in the set to 6240 // match scannedPackage. 6241 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6242 } 6243 6244 for (PackageSetting ps : packagesForUser) { 6245 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6246 if (ps.primaryCpuAbiString != null) { 6247 continue; 6248 } 6249 6250 ps.primaryCpuAbiString = adjustedAbi; 6251 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6252 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6253 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6254 6255 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6256 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6257 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6258 ps.primaryCpuAbiString = null; 6259 ps.pkg.applicationInfo.primaryCpuAbi = null; 6260 return; 6261 } else { 6262 mInstaller.rmdex(ps.codePathString, 6263 getDexCodeInstructionSet(getPreferredInstructionSet())); 6264 } 6265 } 6266 } 6267 } 6268 } 6269 } 6270 6271 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6272 synchronized (mPackages) { 6273 mResolverReplaced = true; 6274 // Set up information for custom user intent resolution activity. 6275 mResolveActivity.applicationInfo = pkg.applicationInfo; 6276 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6277 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6278 mResolveActivity.processName = pkg.applicationInfo.packageName; 6279 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6280 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6281 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6282 mResolveActivity.theme = 0; 6283 mResolveActivity.exported = true; 6284 mResolveActivity.enabled = true; 6285 mResolveInfo.activityInfo = mResolveActivity; 6286 mResolveInfo.priority = 0; 6287 mResolveInfo.preferredOrder = 0; 6288 mResolveInfo.match = 0; 6289 mResolveComponentName = mCustomResolverComponentName; 6290 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6291 mResolveComponentName); 6292 } 6293 } 6294 6295 private static String calculateBundledApkRoot(final String codePathString) { 6296 final File codePath = new File(codePathString); 6297 final File codeRoot; 6298 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6299 codeRoot = Environment.getRootDirectory(); 6300 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6301 codeRoot = Environment.getOemDirectory(); 6302 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6303 codeRoot = Environment.getVendorDirectory(); 6304 } else { 6305 // Unrecognized code path; take its top real segment as the apk root: 6306 // e.g. /something/app/blah.apk => /something 6307 try { 6308 File f = codePath.getCanonicalFile(); 6309 File parent = f.getParentFile(); // non-null because codePath is a file 6310 File tmp; 6311 while ((tmp = parent.getParentFile()) != null) { 6312 f = parent; 6313 parent = tmp; 6314 } 6315 codeRoot = f; 6316 Slog.w(TAG, "Unrecognized code path " 6317 + codePath + " - using " + codeRoot); 6318 } catch (IOException e) { 6319 // Can't canonicalize the code path -- shenanigans? 6320 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6321 return Environment.getRootDirectory().getPath(); 6322 } 6323 } 6324 return codeRoot.getPath(); 6325 } 6326 6327 /** 6328 * Derive and set the location of native libraries for the given package, 6329 * which varies depending on where and how the package was installed. 6330 */ 6331 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6332 final ApplicationInfo info = pkg.applicationInfo; 6333 final String codePath = pkg.codePath; 6334 final File codeFile = new File(codePath); 6335 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 6336 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6337 6338 info.nativeLibraryRootDir = null; 6339 info.nativeLibraryRootRequiresIsa = false; 6340 info.nativeLibraryDir = null; 6341 info.secondaryNativeLibraryDir = null; 6342 6343 if (isApkFile(codeFile)) { 6344 // Monolithic install 6345 if (bundledApp) { 6346 // If "/system/lib64/apkname" exists, assume that is the per-package 6347 // native library directory to use; otherwise use "/system/lib/apkname". 6348 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6349 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6350 getPrimaryInstructionSet(info)); 6351 6352 // This is a bundled system app so choose the path based on the ABI. 6353 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6354 // is just the default path. 6355 final String apkName = deriveCodePathName(codePath); 6356 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6357 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6358 apkName).getAbsolutePath(); 6359 6360 if (info.secondaryCpuAbi != null) { 6361 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6362 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6363 secondaryLibDir, apkName).getAbsolutePath(); 6364 } 6365 } else if (asecApp) { 6366 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6367 .getAbsolutePath(); 6368 } else { 6369 final String apkName = deriveCodePathName(codePath); 6370 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6371 .getAbsolutePath(); 6372 } 6373 6374 info.nativeLibraryRootRequiresIsa = false; 6375 info.nativeLibraryDir = info.nativeLibraryRootDir; 6376 } else { 6377 // Cluster install 6378 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6379 info.nativeLibraryRootRequiresIsa = true; 6380 6381 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6382 getPrimaryInstructionSet(info)).getAbsolutePath(); 6383 6384 if (info.secondaryCpuAbi != null) { 6385 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6386 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6387 } 6388 } 6389 } 6390 6391 /** 6392 * Calculate the abis and roots for a bundled app. These can uniquely 6393 * be determined from the contents of the system partition, i.e whether 6394 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6395 * of this information, and instead assume that the system was built 6396 * sensibly. 6397 */ 6398 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6399 PackageSetting pkgSetting) { 6400 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6401 6402 // If "/system/lib64/apkname" exists, assume that is the per-package 6403 // native library directory to use; otherwise use "/system/lib/apkname". 6404 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6405 setBundledAppAbi(pkg, apkRoot, apkName); 6406 // pkgSetting might be null during rescan following uninstall of updates 6407 // to a bundled app, so accommodate that possibility. The settings in 6408 // that case will be established later from the parsed package. 6409 // 6410 // If the settings aren't null, sync them up with what we've just derived. 6411 // note that apkRoot isn't stored in the package settings. 6412 if (pkgSetting != null) { 6413 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6414 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6415 } 6416 } 6417 6418 /** 6419 * Deduces the ABI of a bundled app and sets the relevant fields on the 6420 * parsed pkg object. 6421 * 6422 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6423 * under which system libraries are installed. 6424 * @param apkName the name of the installed package. 6425 */ 6426 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6427 final File codeFile = new File(pkg.codePath); 6428 6429 final boolean has64BitLibs; 6430 final boolean has32BitLibs; 6431 if (isApkFile(codeFile)) { 6432 // Monolithic install 6433 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6434 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6435 } else { 6436 // Cluster install 6437 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6438 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6439 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6440 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6441 has64BitLibs = (new File(rootDir, isa)).exists(); 6442 } else { 6443 has64BitLibs = false; 6444 } 6445 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6446 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6447 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6448 has32BitLibs = (new File(rootDir, isa)).exists(); 6449 } else { 6450 has32BitLibs = false; 6451 } 6452 } 6453 6454 if (has64BitLibs && !has32BitLibs) { 6455 // The package has 64 bit libs, but not 32 bit libs. Its primary 6456 // ABI should be 64 bit. We can safely assume here that the bundled 6457 // native libraries correspond to the most preferred ABI in the list. 6458 6459 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6460 pkg.applicationInfo.secondaryCpuAbi = null; 6461 } else if (has32BitLibs && !has64BitLibs) { 6462 // The package has 32 bit libs but not 64 bit libs. Its primary 6463 // ABI should be 32 bit. 6464 6465 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6466 pkg.applicationInfo.secondaryCpuAbi = null; 6467 } else if (has32BitLibs && has64BitLibs) { 6468 // The application has both 64 and 32 bit bundled libraries. We check 6469 // here that the app declares multiArch support, and warn if it doesn't. 6470 // 6471 // We will be lenient here and record both ABIs. The primary will be the 6472 // ABI that's higher on the list, i.e, a device that's configured to prefer 6473 // 64 bit apps will see a 64 bit primary ABI, 6474 6475 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6476 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6477 } 6478 6479 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6480 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6481 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6482 } else { 6483 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6484 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6485 } 6486 } else { 6487 pkg.applicationInfo.primaryCpuAbi = null; 6488 pkg.applicationInfo.secondaryCpuAbi = null; 6489 } 6490 } 6491 6492 private void killApplication(String pkgName, int appId, String reason) { 6493 // Request the ActivityManager to kill the process(only for existing packages) 6494 // so that we do not end up in a confused state while the user is still using the older 6495 // version of the application while the new one gets installed. 6496 IActivityManager am = ActivityManagerNative.getDefault(); 6497 if (am != null) { 6498 try { 6499 am.killApplicationWithAppId(pkgName, appId, reason); 6500 } catch (RemoteException e) { 6501 } 6502 } 6503 } 6504 6505 void removePackageLI(PackageSetting ps, boolean chatty) { 6506 if (DEBUG_INSTALL) { 6507 if (chatty) 6508 Log.d(TAG, "Removing package " + ps.name); 6509 } 6510 6511 // writer 6512 synchronized (mPackages) { 6513 mPackages.remove(ps.name); 6514 final PackageParser.Package pkg = ps.pkg; 6515 if (pkg != null) { 6516 cleanPackageDataStructuresLILPw(pkg, chatty); 6517 } 6518 } 6519 } 6520 6521 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6522 if (DEBUG_INSTALL) { 6523 if (chatty) 6524 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6525 } 6526 6527 // writer 6528 synchronized (mPackages) { 6529 mPackages.remove(pkg.applicationInfo.packageName); 6530 cleanPackageDataStructuresLILPw(pkg, chatty); 6531 } 6532 } 6533 6534 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6535 int N = pkg.providers.size(); 6536 StringBuilder r = null; 6537 int i; 6538 for (i=0; i<N; i++) { 6539 PackageParser.Provider p = pkg.providers.get(i); 6540 mProviders.removeProvider(p); 6541 if (p.info.authority == null) { 6542 6543 /* There was another ContentProvider with this authority when 6544 * this app was installed so this authority is null, 6545 * Ignore it as we don't have to unregister the provider. 6546 */ 6547 continue; 6548 } 6549 String names[] = p.info.authority.split(";"); 6550 for (int j = 0; j < names.length; j++) { 6551 if (mProvidersByAuthority.get(names[j]) == p) { 6552 mProvidersByAuthority.remove(names[j]); 6553 if (DEBUG_REMOVE) { 6554 if (chatty) 6555 Log.d(TAG, "Unregistered content provider: " + names[j] 6556 + ", className = " + p.info.name + ", isSyncable = " 6557 + p.info.isSyncable); 6558 } 6559 } 6560 } 6561 if (DEBUG_REMOVE && chatty) { 6562 if (r == null) { 6563 r = new StringBuilder(256); 6564 } else { 6565 r.append(' '); 6566 } 6567 r.append(p.info.name); 6568 } 6569 } 6570 if (r != null) { 6571 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6572 } 6573 6574 N = pkg.services.size(); 6575 r = null; 6576 for (i=0; i<N; i++) { 6577 PackageParser.Service s = pkg.services.get(i); 6578 mServices.removeService(s); 6579 if (chatty) { 6580 if (r == null) { 6581 r = new StringBuilder(256); 6582 } else { 6583 r.append(' '); 6584 } 6585 r.append(s.info.name); 6586 } 6587 } 6588 if (r != null) { 6589 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6590 } 6591 6592 N = pkg.receivers.size(); 6593 r = null; 6594 for (i=0; i<N; i++) { 6595 PackageParser.Activity a = pkg.receivers.get(i); 6596 mReceivers.removeActivity(a, "receiver"); 6597 if (DEBUG_REMOVE && chatty) { 6598 if (r == null) { 6599 r = new StringBuilder(256); 6600 } else { 6601 r.append(' '); 6602 } 6603 r.append(a.info.name); 6604 } 6605 } 6606 if (r != null) { 6607 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6608 } 6609 6610 N = pkg.activities.size(); 6611 r = null; 6612 for (i=0; i<N; i++) { 6613 PackageParser.Activity a = pkg.activities.get(i); 6614 mActivities.removeActivity(a, "activity"); 6615 if (DEBUG_REMOVE && chatty) { 6616 if (r == null) { 6617 r = new StringBuilder(256); 6618 } else { 6619 r.append(' '); 6620 } 6621 r.append(a.info.name); 6622 } 6623 } 6624 if (r != null) { 6625 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6626 } 6627 6628 N = pkg.permissions.size(); 6629 r = null; 6630 for (i=0; i<N; i++) { 6631 PackageParser.Permission p = pkg.permissions.get(i); 6632 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6633 if (bp == null) { 6634 bp = mSettings.mPermissionTrees.get(p.info.name); 6635 } 6636 if (bp != null && bp.perm == p) { 6637 bp.perm = null; 6638 if (DEBUG_REMOVE && chatty) { 6639 if (r == null) { 6640 r = new StringBuilder(256); 6641 } else { 6642 r.append(' '); 6643 } 6644 r.append(p.info.name); 6645 } 6646 } 6647 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6648 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6649 if (appOpPerms != null) { 6650 appOpPerms.remove(pkg.packageName); 6651 } 6652 } 6653 } 6654 if (r != null) { 6655 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6656 } 6657 6658 N = pkg.requestedPermissions.size(); 6659 r = null; 6660 for (i=0; i<N; i++) { 6661 String perm = pkg.requestedPermissions.get(i); 6662 BasePermission bp = mSettings.mPermissions.get(perm); 6663 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6664 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6665 if (appOpPerms != null) { 6666 appOpPerms.remove(pkg.packageName); 6667 if (appOpPerms.isEmpty()) { 6668 mAppOpPermissionPackages.remove(perm); 6669 } 6670 } 6671 } 6672 } 6673 if (r != null) { 6674 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6675 } 6676 6677 N = pkg.instrumentation.size(); 6678 r = null; 6679 for (i=0; i<N; i++) { 6680 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6681 mInstrumentation.remove(a.getComponentName()); 6682 if (DEBUG_REMOVE && chatty) { 6683 if (r == null) { 6684 r = new StringBuilder(256); 6685 } else { 6686 r.append(' '); 6687 } 6688 r.append(a.info.name); 6689 } 6690 } 6691 if (r != null) { 6692 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6693 } 6694 6695 r = null; 6696 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6697 // Only system apps can hold shared libraries. 6698 if (pkg.libraryNames != null) { 6699 for (i=0; i<pkg.libraryNames.size(); i++) { 6700 String name = pkg.libraryNames.get(i); 6701 SharedLibraryEntry cur = mSharedLibraries.get(name); 6702 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6703 mSharedLibraries.remove(name); 6704 if (DEBUG_REMOVE && chatty) { 6705 if (r == null) { 6706 r = new StringBuilder(256); 6707 } else { 6708 r.append(' '); 6709 } 6710 r.append(name); 6711 } 6712 } 6713 } 6714 } 6715 } 6716 if (r != null) { 6717 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6718 } 6719 } 6720 6721 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6722 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6723 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6724 return true; 6725 } 6726 } 6727 return false; 6728 } 6729 6730 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6731 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6732 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6733 6734 private void updatePermissionsLPw(String changingPkg, 6735 PackageParser.Package pkgInfo, int flags) { 6736 // Make sure there are no dangling permission trees. 6737 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6738 while (it.hasNext()) { 6739 final BasePermission bp = it.next(); 6740 if (bp.packageSetting == null) { 6741 // We may not yet have parsed the package, so just see if 6742 // we still know about its settings. 6743 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6744 } 6745 if (bp.packageSetting == null) { 6746 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6747 + " from package " + bp.sourcePackage); 6748 it.remove(); 6749 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6750 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6751 Slog.i(TAG, "Removing old permission tree: " + bp.name 6752 + " from package " + bp.sourcePackage); 6753 flags |= UPDATE_PERMISSIONS_ALL; 6754 it.remove(); 6755 } 6756 } 6757 } 6758 6759 // Make sure all dynamic permissions have been assigned to a package, 6760 // and make sure there are no dangling permissions. 6761 it = mSettings.mPermissions.values().iterator(); 6762 while (it.hasNext()) { 6763 final BasePermission bp = it.next(); 6764 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6765 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6766 + bp.name + " pkg=" + bp.sourcePackage 6767 + " info=" + bp.pendingInfo); 6768 if (bp.packageSetting == null && bp.pendingInfo != null) { 6769 final BasePermission tree = findPermissionTreeLP(bp.name); 6770 if (tree != null && tree.perm != null) { 6771 bp.packageSetting = tree.packageSetting; 6772 bp.perm = new PackageParser.Permission(tree.perm.owner, 6773 new PermissionInfo(bp.pendingInfo)); 6774 bp.perm.info.packageName = tree.perm.info.packageName; 6775 bp.perm.info.name = bp.name; 6776 bp.uid = tree.uid; 6777 } 6778 } 6779 } 6780 if (bp.packageSetting == null) { 6781 // We may not yet have parsed the package, so just see if 6782 // we still know about its settings. 6783 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6784 } 6785 if (bp.packageSetting == null) { 6786 Slog.w(TAG, "Removing dangling permission: " + bp.name 6787 + " from package " + bp.sourcePackage); 6788 it.remove(); 6789 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6790 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6791 Slog.i(TAG, "Removing old permission: " + bp.name 6792 + " from package " + bp.sourcePackage); 6793 flags |= UPDATE_PERMISSIONS_ALL; 6794 it.remove(); 6795 } 6796 } 6797 } 6798 6799 // Now update the permissions for all packages, in particular 6800 // replace the granted permissions of the system packages. 6801 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6802 for (PackageParser.Package pkg : mPackages.values()) { 6803 if (pkg != pkgInfo) { 6804 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6805 changingPkg); 6806 } 6807 } 6808 } 6809 6810 if (pkgInfo != null) { 6811 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6812 } 6813 } 6814 6815 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6816 String packageOfInterest) { 6817 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6818 if (ps == null) { 6819 return; 6820 } 6821 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6822 ArraySet<String> origPermissions = gp.grantedPermissions; 6823 boolean changedPermission = false; 6824 6825 if (replace) { 6826 ps.permissionsFixed = false; 6827 if (gp == ps) { 6828 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6829 gp.grantedPermissions.clear(); 6830 gp.gids = mGlobalGids; 6831 } 6832 } 6833 6834 if (gp.gids == null) { 6835 gp.gids = mGlobalGids; 6836 } 6837 6838 final int N = pkg.requestedPermissions.size(); 6839 for (int i=0; i<N; i++) { 6840 final String name = pkg.requestedPermissions.get(i); 6841 final boolean required = pkg.requestedPermissionsRequired.get(i); 6842 final BasePermission bp = mSettings.mPermissions.get(name); 6843 if (DEBUG_INSTALL) { 6844 if (gp != ps) { 6845 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6846 } 6847 } 6848 6849 if (bp == null || bp.packageSetting == null) { 6850 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6851 Slog.w(TAG, "Unknown permission " + name 6852 + " in package " + pkg.packageName); 6853 } 6854 continue; 6855 } 6856 6857 final String perm = bp.name; 6858 boolean allowed; 6859 boolean allowedSig = false; 6860 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6861 // Keep track of app op permissions. 6862 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6863 if (pkgs == null) { 6864 pkgs = new ArraySet<>(); 6865 mAppOpPermissionPackages.put(bp.name, pkgs); 6866 } 6867 pkgs.add(pkg.packageName); 6868 } 6869 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6870 if (level == PermissionInfo.PROTECTION_NORMAL 6871 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6872 // We grant a normal or dangerous permission if any of the following 6873 // are true: 6874 // 1) The permission is required 6875 // 2) The permission is optional, but was granted in the past 6876 // 3) The permission is optional, but was requested by an 6877 // app in /system (not /data) 6878 // 6879 // Otherwise, reject the permission. 6880 allowed = (required || origPermissions.contains(perm) 6881 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6882 } else if (bp.packageSetting == null) { 6883 // This permission is invalid; skip it. 6884 allowed = false; 6885 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6886 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6887 if (allowed) { 6888 allowedSig = true; 6889 } 6890 } else { 6891 allowed = false; 6892 } 6893 if (DEBUG_INSTALL) { 6894 if (gp != ps) { 6895 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6896 } 6897 } 6898 if (allowed) { 6899 if (!isSystemApp(ps) && ps.permissionsFixed) { 6900 // If this is an existing, non-system package, then 6901 // we can't add any new permissions to it. 6902 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6903 // Except... if this is a permission that was added 6904 // to the platform (note: need to only do this when 6905 // updating the platform). 6906 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6907 } 6908 } 6909 if (allowed) { 6910 if (!gp.grantedPermissions.contains(perm)) { 6911 changedPermission = true; 6912 gp.grantedPermissions.add(perm); 6913 gp.gids = appendInts(gp.gids, bp.gids); 6914 } else if (!ps.haveGids) { 6915 gp.gids = appendInts(gp.gids, bp.gids); 6916 } 6917 } else { 6918 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6919 Slog.w(TAG, "Not granting permission " + perm 6920 + " to package " + pkg.packageName 6921 + " because it was previously installed without"); 6922 } 6923 } 6924 } else { 6925 if (gp.grantedPermissions.remove(perm)) { 6926 changedPermission = true; 6927 gp.gids = removeInts(gp.gids, bp.gids); 6928 Slog.i(TAG, "Un-granting permission " + perm 6929 + " from package " + pkg.packageName 6930 + " (protectionLevel=" + bp.protectionLevel 6931 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6932 + ")"); 6933 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6934 // Don't print warning for app op permissions, since it is fine for them 6935 // not to be granted, there is a UI for the user to decide. 6936 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6937 Slog.w(TAG, "Not granting permission " + perm 6938 + " to package " + pkg.packageName 6939 + " (protectionLevel=" + bp.protectionLevel 6940 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6941 + ")"); 6942 } 6943 } 6944 } 6945 } 6946 6947 if ((changedPermission || replace) && !ps.permissionsFixed && 6948 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6949 // This is the first that we have heard about this package, so the 6950 // permissions we have now selected are fixed until explicitly 6951 // changed. 6952 ps.permissionsFixed = true; 6953 } 6954 ps.haveGids = true; 6955 } 6956 6957 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6958 boolean allowed = false; 6959 final int NP = PackageParser.NEW_PERMISSIONS.length; 6960 for (int ip=0; ip<NP; ip++) { 6961 final PackageParser.NewPermissionInfo npi 6962 = PackageParser.NEW_PERMISSIONS[ip]; 6963 if (npi.name.equals(perm) 6964 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6965 allowed = true; 6966 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6967 + pkg.packageName); 6968 break; 6969 } 6970 } 6971 return allowed; 6972 } 6973 6974 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6975 BasePermission bp, ArraySet<String> origPermissions) { 6976 boolean allowed; 6977 allowed = (compareSignatures( 6978 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6979 == PackageManager.SIGNATURE_MATCH) 6980 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6981 == PackageManager.SIGNATURE_MATCH); 6982 if (!allowed && (bp.protectionLevel 6983 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6984 if (isSystemApp(pkg)) { 6985 // For updated system applications, a system permission 6986 // is granted only if it had been defined by the original application. 6987 if (pkg.isUpdatedSystemApp()) { 6988 final PackageSetting sysPs = mSettings 6989 .getDisabledSystemPkgLPr(pkg.packageName); 6990 final GrantedPermissions origGp = sysPs.sharedUser != null 6991 ? sysPs.sharedUser : sysPs; 6992 6993 if (origGp.grantedPermissions.contains(perm)) { 6994 // If the original was granted this permission, we take 6995 // that grant decision as read and propagate it to the 6996 // update. 6997 if (sysPs.isPrivileged()) { 6998 allowed = true; 6999 } 7000 } else { 7001 // The system apk may have been updated with an older 7002 // version of the one on the data partition, but which 7003 // granted a new system permission that it didn't have 7004 // before. In this case we do want to allow the app to 7005 // now get the new permission if the ancestral apk is 7006 // privileged to get it. 7007 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7008 for (int j=0; 7009 j<sysPs.pkg.requestedPermissions.size(); j++) { 7010 if (perm.equals( 7011 sysPs.pkg.requestedPermissions.get(j))) { 7012 allowed = true; 7013 break; 7014 } 7015 } 7016 } 7017 } 7018 } else { 7019 allowed = isPrivilegedApp(pkg); 7020 } 7021 } 7022 } 7023 if (!allowed && (bp.protectionLevel 7024 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7025 // For development permissions, a development permission 7026 // is granted only if it was already granted. 7027 allowed = origPermissions.contains(perm); 7028 } 7029 return allowed; 7030 } 7031 7032 final class ActivityIntentResolver 7033 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7034 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7035 boolean defaultOnly, int userId) { 7036 if (!sUserManager.exists(userId)) return null; 7037 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7038 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7039 } 7040 7041 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7042 int userId) { 7043 if (!sUserManager.exists(userId)) return null; 7044 mFlags = flags; 7045 return super.queryIntent(intent, resolvedType, 7046 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7047 } 7048 7049 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7050 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7051 if (!sUserManager.exists(userId)) return null; 7052 if (packageActivities == null) { 7053 return null; 7054 } 7055 mFlags = flags; 7056 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7057 final int N = packageActivities.size(); 7058 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7059 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7060 7061 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7062 for (int i = 0; i < N; ++i) { 7063 intentFilters = packageActivities.get(i).intents; 7064 if (intentFilters != null && intentFilters.size() > 0) { 7065 PackageParser.ActivityIntentInfo[] array = 7066 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7067 intentFilters.toArray(array); 7068 listCut.add(array); 7069 } 7070 } 7071 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7072 } 7073 7074 public final void addActivity(PackageParser.Activity a, String type) { 7075 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 7076 mActivities.put(a.getComponentName(), a); 7077 if (DEBUG_SHOW_INFO) 7078 Log.v( 7079 TAG, " " + type + " " + 7080 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7081 if (DEBUG_SHOW_INFO) 7082 Log.v(TAG, " Class=" + a.info.name); 7083 final int NI = a.intents.size(); 7084 for (int j=0; j<NI; j++) { 7085 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7086 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7087 intent.setPriority(0); 7088 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7089 + a.className + " with priority > 0, forcing to 0"); 7090 } 7091 if (DEBUG_SHOW_INFO) { 7092 Log.v(TAG, " IntentFilter:"); 7093 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7094 } 7095 if (!intent.debugCheck()) { 7096 Log.w(TAG, "==> For Activity " + a.info.name); 7097 } 7098 addFilter(intent); 7099 } 7100 } 7101 7102 public final void removeActivity(PackageParser.Activity a, String type) { 7103 mActivities.remove(a.getComponentName()); 7104 if (DEBUG_SHOW_INFO) { 7105 Log.v(TAG, " " + type + " " 7106 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7107 : a.info.name) + ":"); 7108 Log.v(TAG, " Class=" + a.info.name); 7109 } 7110 final int NI = a.intents.size(); 7111 for (int j=0; j<NI; j++) { 7112 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7113 if (DEBUG_SHOW_INFO) { 7114 Log.v(TAG, " IntentFilter:"); 7115 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7116 } 7117 removeFilter(intent); 7118 } 7119 } 7120 7121 @Override 7122 protected boolean allowFilterResult( 7123 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7124 ActivityInfo filterAi = filter.activity.info; 7125 for (int i=dest.size()-1; i>=0; i--) { 7126 ActivityInfo destAi = dest.get(i).activityInfo; 7127 if (destAi.name == filterAi.name 7128 && destAi.packageName == filterAi.packageName) { 7129 return false; 7130 } 7131 } 7132 return true; 7133 } 7134 7135 @Override 7136 protected ActivityIntentInfo[] newArray(int size) { 7137 return new ActivityIntentInfo[size]; 7138 } 7139 7140 @Override 7141 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7142 if (!sUserManager.exists(userId)) return true; 7143 PackageParser.Package p = filter.activity.owner; 7144 if (p != null) { 7145 PackageSetting ps = (PackageSetting)p.mExtras; 7146 if (ps != null) { 7147 // System apps are never considered stopped for purposes of 7148 // filtering, because there may be no way for the user to 7149 // actually re-launch them. 7150 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7151 && ps.getStopped(userId); 7152 } 7153 } 7154 return false; 7155 } 7156 7157 @Override 7158 protected boolean isPackageForFilter(String packageName, 7159 PackageParser.ActivityIntentInfo info) { 7160 return packageName.equals(info.activity.owner.packageName); 7161 } 7162 7163 @Override 7164 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7165 int match, int userId) { 7166 if (!sUserManager.exists(userId)) return null; 7167 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7168 return null; 7169 } 7170 final PackageParser.Activity activity = info.activity; 7171 if (mSafeMode && (activity.info.applicationInfo.flags 7172 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7173 return null; 7174 } 7175 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7176 if (ps == null) { 7177 return null; 7178 } 7179 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7180 ps.readUserState(userId), userId); 7181 if (ai == null) { 7182 return null; 7183 } 7184 final ResolveInfo res = new ResolveInfo(); 7185 res.activityInfo = ai; 7186 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7187 res.filter = info; 7188 } 7189 res.priority = info.getPriority(); 7190 res.preferredOrder = activity.owner.mPreferredOrder; 7191 //System.out.println("Result: " + res.activityInfo.className + 7192 // " = " + res.priority); 7193 res.match = match; 7194 res.isDefault = info.hasDefault; 7195 res.labelRes = info.labelRes; 7196 res.nonLocalizedLabel = info.nonLocalizedLabel; 7197 if (userNeedsBadging(userId)) { 7198 res.noResourceId = true; 7199 } else { 7200 res.icon = info.icon; 7201 } 7202 res.system = res.activityInfo.applicationInfo.isSystemApp(); 7203 return res; 7204 } 7205 7206 @Override 7207 protected void sortResults(List<ResolveInfo> results) { 7208 Collections.sort(results, mResolvePrioritySorter); 7209 } 7210 7211 @Override 7212 protected void dumpFilter(PrintWriter out, String prefix, 7213 PackageParser.ActivityIntentInfo filter) { 7214 out.print(prefix); out.print( 7215 Integer.toHexString(System.identityHashCode(filter.activity))); 7216 out.print(' '); 7217 filter.activity.printComponentShortName(out); 7218 out.print(" filter "); 7219 out.println(Integer.toHexString(System.identityHashCode(filter))); 7220 } 7221 7222 @Override 7223 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7224 return filter.activity; 7225 } 7226 7227 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7228 PackageParser.Activity activity = (PackageParser.Activity)label; 7229 out.print(prefix); out.print( 7230 Integer.toHexString(System.identityHashCode(activity))); 7231 out.print(' '); 7232 activity.printComponentShortName(out); 7233 if (count > 1) { 7234 out.print(" ("); out.print(count); out.print(" filters)"); 7235 } 7236 out.println(); 7237 } 7238 7239// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7240// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7241// final List<ResolveInfo> retList = Lists.newArrayList(); 7242// while (i.hasNext()) { 7243// final ResolveInfo resolveInfo = i.next(); 7244// if (isEnabledLP(resolveInfo.activityInfo)) { 7245// retList.add(resolveInfo); 7246// } 7247// } 7248// return retList; 7249// } 7250 7251 // Keys are String (activity class name), values are Activity. 7252 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7253 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7254 private int mFlags; 7255 } 7256 7257 private final class ServiceIntentResolver 7258 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7259 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7260 boolean defaultOnly, int userId) { 7261 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7262 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7263 } 7264 7265 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7266 int userId) { 7267 if (!sUserManager.exists(userId)) return null; 7268 mFlags = flags; 7269 return super.queryIntent(intent, resolvedType, 7270 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7271 } 7272 7273 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7274 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7275 if (!sUserManager.exists(userId)) return null; 7276 if (packageServices == null) { 7277 return null; 7278 } 7279 mFlags = flags; 7280 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7281 final int N = packageServices.size(); 7282 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7283 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7284 7285 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7286 for (int i = 0; i < N; ++i) { 7287 intentFilters = packageServices.get(i).intents; 7288 if (intentFilters != null && intentFilters.size() > 0) { 7289 PackageParser.ServiceIntentInfo[] array = 7290 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7291 intentFilters.toArray(array); 7292 listCut.add(array); 7293 } 7294 } 7295 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7296 } 7297 7298 public final void addService(PackageParser.Service s) { 7299 mServices.put(s.getComponentName(), s); 7300 if (DEBUG_SHOW_INFO) { 7301 Log.v(TAG, " " 7302 + (s.info.nonLocalizedLabel != null 7303 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7304 Log.v(TAG, " Class=" + s.info.name); 7305 } 7306 final int NI = s.intents.size(); 7307 int j; 7308 for (j=0; j<NI; j++) { 7309 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 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 Service " + s.info.name); 7316 } 7317 addFilter(intent); 7318 } 7319 } 7320 7321 public final void removeService(PackageParser.Service s) { 7322 mServices.remove(s.getComponentName()); 7323 if (DEBUG_SHOW_INFO) { 7324 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7325 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7326 Log.v(TAG, " Class=" + s.info.name); 7327 } 7328 final int NI = s.intents.size(); 7329 int j; 7330 for (j=0; j<NI; j++) { 7331 PackageParser.ServiceIntentInfo intent = s.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.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7343 ServiceInfo filterSi = filter.service.info; 7344 for (int i=dest.size()-1; i>=0; i--) { 7345 ServiceInfo destAi = dest.get(i).serviceInfo; 7346 if (destAi.name == filterSi.name 7347 && destAi.packageName == filterSi.packageName) { 7348 return false; 7349 } 7350 } 7351 return true; 7352 } 7353 7354 @Override 7355 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7356 return new PackageParser.ServiceIntentInfo[size]; 7357 } 7358 7359 @Override 7360 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7361 if (!sUserManager.exists(userId)) return true; 7362 PackageParser.Package p = filter.service.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.ServiceIntentInfo info) { 7379 return packageName.equals(info.service.owner.packageName); 7380 } 7381 7382 @Override 7383 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7384 int match, int userId) { 7385 if (!sUserManager.exists(userId)) return null; 7386 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7387 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7388 return null; 7389 } 7390 final PackageParser.Service service = info.service; 7391 if (mSafeMode && (service.info.applicationInfo.flags 7392 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7393 return null; 7394 } 7395 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7396 if (ps == null) { 7397 return null; 7398 } 7399 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7400 ps.readUserState(userId), userId); 7401 if (si == null) { 7402 return null; 7403 } 7404 final ResolveInfo res = new ResolveInfo(); 7405 res.serviceInfo = si; 7406 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7407 res.filter = filter; 7408 } 7409 res.priority = info.getPriority(); 7410 res.preferredOrder = service.owner.mPreferredOrder; 7411 //System.out.println("Result: " + res.activityInfo.className + 7412 // " = " + res.priority); 7413 res.match = match; 7414 res.isDefault = info.hasDefault; 7415 res.labelRes = info.labelRes; 7416 res.nonLocalizedLabel = info.nonLocalizedLabel; 7417 res.icon = info.icon; 7418 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 7419 return res; 7420 } 7421 7422 @Override 7423 protected void sortResults(List<ResolveInfo> results) { 7424 Collections.sort(results, mResolvePrioritySorter); 7425 } 7426 7427 @Override 7428 protected void dumpFilter(PrintWriter out, String prefix, 7429 PackageParser.ServiceIntentInfo filter) { 7430 out.print(prefix); out.print( 7431 Integer.toHexString(System.identityHashCode(filter.service))); 7432 out.print(' '); 7433 filter.service.printComponentShortName(out); 7434 out.print(" filter "); 7435 out.println(Integer.toHexString(System.identityHashCode(filter))); 7436 } 7437 7438 @Override 7439 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7440 return filter.service; 7441 } 7442 7443 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7444 PackageParser.Service service = (PackageParser.Service)label; 7445 out.print(prefix); out.print( 7446 Integer.toHexString(System.identityHashCode(service))); 7447 out.print(' '); 7448 service.printComponentShortName(out); 7449 if (count > 1) { 7450 out.print(" ("); out.print(count); out.print(" filters)"); 7451 } 7452 out.println(); 7453 } 7454 7455// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7456// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7457// final List<ResolveInfo> retList = Lists.newArrayList(); 7458// while (i.hasNext()) { 7459// final ResolveInfo resolveInfo = (ResolveInfo) i; 7460// if (isEnabledLP(resolveInfo.serviceInfo)) { 7461// retList.add(resolveInfo); 7462// } 7463// } 7464// return retList; 7465// } 7466 7467 // Keys are String (activity class name), values are Activity. 7468 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7469 = new ArrayMap<ComponentName, PackageParser.Service>(); 7470 private int mFlags; 7471 }; 7472 7473 private final class ProviderIntentResolver 7474 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7475 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7476 boolean defaultOnly, int userId) { 7477 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7478 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7479 } 7480 7481 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7482 int userId) { 7483 if (!sUserManager.exists(userId)) 7484 return null; 7485 mFlags = flags; 7486 return super.queryIntent(intent, resolvedType, 7487 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7488 } 7489 7490 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7491 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7492 if (!sUserManager.exists(userId)) 7493 return null; 7494 if (packageProviders == null) { 7495 return null; 7496 } 7497 mFlags = flags; 7498 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7499 final int N = packageProviders.size(); 7500 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7501 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7502 7503 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7504 for (int i = 0; i < N; ++i) { 7505 intentFilters = packageProviders.get(i).intents; 7506 if (intentFilters != null && intentFilters.size() > 0) { 7507 PackageParser.ProviderIntentInfo[] array = 7508 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7509 intentFilters.toArray(array); 7510 listCut.add(array); 7511 } 7512 } 7513 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7514 } 7515 7516 public final void addProvider(PackageParser.Provider p) { 7517 if (mProviders.containsKey(p.getComponentName())) { 7518 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7519 return; 7520 } 7521 7522 mProviders.put(p.getComponentName(), p); 7523 if (DEBUG_SHOW_INFO) { 7524 Log.v(TAG, " " 7525 + (p.info.nonLocalizedLabel != null 7526 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7527 Log.v(TAG, " Class=" + p.info.name); 7528 } 7529 final int NI = p.intents.size(); 7530 int j; 7531 for (j = 0; j < NI; j++) { 7532 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7533 if (DEBUG_SHOW_INFO) { 7534 Log.v(TAG, " IntentFilter:"); 7535 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7536 } 7537 if (!intent.debugCheck()) { 7538 Log.w(TAG, "==> For Provider " + p.info.name); 7539 } 7540 addFilter(intent); 7541 } 7542 } 7543 7544 public final void removeProvider(PackageParser.Provider p) { 7545 mProviders.remove(p.getComponentName()); 7546 if (DEBUG_SHOW_INFO) { 7547 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7548 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7549 Log.v(TAG, " Class=" + p.info.name); 7550 } 7551 final int NI = p.intents.size(); 7552 int j; 7553 for (j = 0; j < NI; j++) { 7554 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7555 if (DEBUG_SHOW_INFO) { 7556 Log.v(TAG, " IntentFilter:"); 7557 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7558 } 7559 removeFilter(intent); 7560 } 7561 } 7562 7563 @Override 7564 protected boolean allowFilterResult( 7565 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7566 ProviderInfo filterPi = filter.provider.info; 7567 for (int i = dest.size() - 1; i >= 0; i--) { 7568 ProviderInfo destPi = dest.get(i).providerInfo; 7569 if (destPi.name == filterPi.name 7570 && destPi.packageName == filterPi.packageName) { 7571 return false; 7572 } 7573 } 7574 return true; 7575 } 7576 7577 @Override 7578 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7579 return new PackageParser.ProviderIntentInfo[size]; 7580 } 7581 7582 @Override 7583 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7584 if (!sUserManager.exists(userId)) 7585 return true; 7586 PackageParser.Package p = filter.provider.owner; 7587 if (p != null) { 7588 PackageSetting ps = (PackageSetting) p.mExtras; 7589 if (ps != null) { 7590 // System apps are never considered stopped for purposes of 7591 // filtering, because there may be no way for the user to 7592 // actually re-launch them. 7593 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7594 && ps.getStopped(userId); 7595 } 7596 } 7597 return false; 7598 } 7599 7600 @Override 7601 protected boolean isPackageForFilter(String packageName, 7602 PackageParser.ProviderIntentInfo info) { 7603 return packageName.equals(info.provider.owner.packageName); 7604 } 7605 7606 @Override 7607 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7608 int match, int userId) { 7609 if (!sUserManager.exists(userId)) 7610 return null; 7611 final PackageParser.ProviderIntentInfo info = filter; 7612 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7613 return null; 7614 } 7615 final PackageParser.Provider provider = info.provider; 7616 if (mSafeMode && (provider.info.applicationInfo.flags 7617 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7618 return null; 7619 } 7620 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7621 if (ps == null) { 7622 return null; 7623 } 7624 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7625 ps.readUserState(userId), userId); 7626 if (pi == null) { 7627 return null; 7628 } 7629 final ResolveInfo res = new ResolveInfo(); 7630 res.providerInfo = pi; 7631 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7632 res.filter = filter; 7633 } 7634 res.priority = info.getPriority(); 7635 res.preferredOrder = provider.owner.mPreferredOrder; 7636 res.match = match; 7637 res.isDefault = info.hasDefault; 7638 res.labelRes = info.labelRes; 7639 res.nonLocalizedLabel = info.nonLocalizedLabel; 7640 res.icon = info.icon; 7641 res.system = res.providerInfo.applicationInfo.isSystemApp(); 7642 return res; 7643 } 7644 7645 @Override 7646 protected void sortResults(List<ResolveInfo> results) { 7647 Collections.sort(results, mResolvePrioritySorter); 7648 } 7649 7650 @Override 7651 protected void dumpFilter(PrintWriter out, String prefix, 7652 PackageParser.ProviderIntentInfo filter) { 7653 out.print(prefix); 7654 out.print( 7655 Integer.toHexString(System.identityHashCode(filter.provider))); 7656 out.print(' '); 7657 filter.provider.printComponentShortName(out); 7658 out.print(" filter "); 7659 out.println(Integer.toHexString(System.identityHashCode(filter))); 7660 } 7661 7662 @Override 7663 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7664 return filter.provider; 7665 } 7666 7667 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7668 PackageParser.Provider provider = (PackageParser.Provider)label; 7669 out.print(prefix); out.print( 7670 Integer.toHexString(System.identityHashCode(provider))); 7671 out.print(' '); 7672 provider.printComponentShortName(out); 7673 if (count > 1) { 7674 out.print(" ("); out.print(count); out.print(" filters)"); 7675 } 7676 out.println(); 7677 } 7678 7679 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7680 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7681 private int mFlags; 7682 }; 7683 7684 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7685 new Comparator<ResolveInfo>() { 7686 public int compare(ResolveInfo r1, ResolveInfo r2) { 7687 int v1 = r1.priority; 7688 int v2 = r2.priority; 7689 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7690 if (v1 != v2) { 7691 return (v1 > v2) ? -1 : 1; 7692 } 7693 v1 = r1.preferredOrder; 7694 v2 = r2.preferredOrder; 7695 if (v1 != v2) { 7696 return (v1 > v2) ? -1 : 1; 7697 } 7698 if (r1.isDefault != r2.isDefault) { 7699 return r1.isDefault ? -1 : 1; 7700 } 7701 v1 = r1.match; 7702 v2 = r2.match; 7703 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7704 if (v1 != v2) { 7705 return (v1 > v2) ? -1 : 1; 7706 } 7707 if (r1.system != r2.system) { 7708 return r1.system ? -1 : 1; 7709 } 7710 return 0; 7711 } 7712 }; 7713 7714 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7715 new Comparator<ProviderInfo>() { 7716 public int compare(ProviderInfo p1, ProviderInfo p2) { 7717 final int v1 = p1.initOrder; 7718 final int v2 = p2.initOrder; 7719 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7720 } 7721 }; 7722 7723 static final void sendPackageBroadcast(String action, String pkg, 7724 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7725 int[] userIds) { 7726 IActivityManager am = ActivityManagerNative.getDefault(); 7727 if (am != null) { 7728 try { 7729 if (userIds == null) { 7730 userIds = am.getRunningUserIds(); 7731 } 7732 for (int id : userIds) { 7733 final Intent intent = new Intent(action, 7734 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7735 if (extras != null) { 7736 intent.putExtras(extras); 7737 } 7738 if (targetPkg != null) { 7739 intent.setPackage(targetPkg); 7740 } 7741 // Modify the UID when posting to other users 7742 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7743 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7744 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7745 intent.putExtra(Intent.EXTRA_UID, uid); 7746 } 7747 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7748 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7749 if (DEBUG_BROADCASTS) { 7750 RuntimeException here = new RuntimeException("here"); 7751 here.fillInStackTrace(); 7752 Slog.d(TAG, "Sending to user " + id + ": " 7753 + intent.toShortString(false, true, false, false) 7754 + " " + intent.getExtras(), here); 7755 } 7756 am.broadcastIntent(null, intent, null, finishedReceiver, 7757 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7758 finishedReceiver != null, false, id); 7759 } 7760 } catch (RemoteException ex) { 7761 } 7762 } 7763 } 7764 7765 /** 7766 * Check if the external storage media is available. This is true if there 7767 * is a mounted external storage medium or if the external storage is 7768 * emulated. 7769 */ 7770 private boolean isExternalMediaAvailable() { 7771 return mMediaMounted || Environment.isExternalStorageEmulated(); 7772 } 7773 7774 @Override 7775 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7776 // writer 7777 synchronized (mPackages) { 7778 if (!isExternalMediaAvailable()) { 7779 // If the external storage is no longer mounted at this point, 7780 // the caller may not have been able to delete all of this 7781 // packages files and can not delete any more. Bail. 7782 return null; 7783 } 7784 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7785 if (lastPackage != null) { 7786 pkgs.remove(lastPackage); 7787 } 7788 if (pkgs.size() > 0) { 7789 return pkgs.get(0); 7790 } 7791 } 7792 return null; 7793 } 7794 7795 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7796 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7797 userId, andCode ? 1 : 0, packageName); 7798 if (mSystemReady) { 7799 msg.sendToTarget(); 7800 } else { 7801 if (mPostSystemReadyMessages == null) { 7802 mPostSystemReadyMessages = new ArrayList<>(); 7803 } 7804 mPostSystemReadyMessages.add(msg); 7805 } 7806 } 7807 7808 void startCleaningPackages() { 7809 // reader 7810 synchronized (mPackages) { 7811 if (!isExternalMediaAvailable()) { 7812 return; 7813 } 7814 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7815 return; 7816 } 7817 } 7818 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7819 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7820 IActivityManager am = ActivityManagerNative.getDefault(); 7821 if (am != null) { 7822 try { 7823 am.startService(null, intent, null, UserHandle.USER_OWNER); 7824 } catch (RemoteException e) { 7825 } 7826 } 7827 } 7828 7829 @Override 7830 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7831 int installFlags, String installerPackageName, VerificationParams verificationParams, 7832 String packageAbiOverride) { 7833 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7834 packageAbiOverride, UserHandle.getCallingUserId()); 7835 } 7836 7837 @Override 7838 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7839 int installFlags, String installerPackageName, VerificationParams verificationParams, 7840 String packageAbiOverride, int userId) { 7841 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7842 7843 final int callingUid = Binder.getCallingUid(); 7844 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7845 7846 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7847 try { 7848 if (observer != null) { 7849 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7850 } 7851 } catch (RemoteException re) { 7852 } 7853 return; 7854 } 7855 7856 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7857 installFlags |= PackageManager.INSTALL_FROM_ADB; 7858 7859 } else { 7860 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7861 // about installerPackageName. 7862 7863 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7864 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7865 } 7866 7867 UserHandle user; 7868 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7869 user = UserHandle.ALL; 7870 } else { 7871 user = new UserHandle(userId); 7872 } 7873 7874 verificationParams.setInstallerUid(callingUid); 7875 7876 final File originFile = new File(originPath); 7877 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7878 7879 final Message msg = mHandler.obtainMessage(INIT_COPY); 7880 msg.obj = new InstallParams(origin, observer, installFlags, 7881 installerPackageName, verificationParams, user, packageAbiOverride); 7882 mHandler.sendMessage(msg); 7883 } 7884 7885 void installStage(String packageName, File stagedDir, String stagedCid, 7886 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7887 String installerPackageName, int installerUid, UserHandle user) { 7888 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7889 params.referrerUri, installerUid, null); 7890 7891 final OriginInfo origin; 7892 if (stagedDir != null) { 7893 origin = OriginInfo.fromStagedFile(stagedDir); 7894 } else { 7895 origin = OriginInfo.fromStagedContainer(stagedCid); 7896 } 7897 7898 final Message msg = mHandler.obtainMessage(INIT_COPY); 7899 msg.obj = new InstallParams(origin, observer, params.installFlags, 7900 installerPackageName, verifParams, user, params.abiOverride); 7901 mHandler.sendMessage(msg); 7902 } 7903 7904 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7905 Bundle extras = new Bundle(1); 7906 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7907 7908 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7909 packageName, extras, null, null, new int[] {userId}); 7910 try { 7911 IActivityManager am = ActivityManagerNative.getDefault(); 7912 final boolean isSystem = 7913 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7914 if (isSystem && am.isUserRunning(userId, false)) { 7915 // The just-installed/enabled app is bundled on the system, so presumed 7916 // to be able to run automatically without needing an explicit launch. 7917 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7918 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7919 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7920 .setPackage(packageName); 7921 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7922 android.app.AppOpsManager.OP_NONE, false, false, userId); 7923 } 7924 } catch (RemoteException e) { 7925 // shouldn't happen 7926 Slog.w(TAG, "Unable to bootstrap installed package", e); 7927 } 7928 } 7929 7930 @Override 7931 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7932 int userId) { 7933 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7934 PackageSetting pkgSetting; 7935 final int uid = Binder.getCallingUid(); 7936 enforceCrossUserPermission(uid, userId, true, true, 7937 "setApplicationHiddenSetting for user " + userId); 7938 7939 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7940 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7941 return false; 7942 } 7943 7944 long callingId = Binder.clearCallingIdentity(); 7945 try { 7946 boolean sendAdded = false; 7947 boolean sendRemoved = false; 7948 // writer 7949 synchronized (mPackages) { 7950 pkgSetting = mSettings.mPackages.get(packageName); 7951 if (pkgSetting == null) { 7952 return false; 7953 } 7954 if (pkgSetting.getHidden(userId) != hidden) { 7955 pkgSetting.setHidden(hidden, userId); 7956 mSettings.writePackageRestrictionsLPr(userId); 7957 if (hidden) { 7958 sendRemoved = true; 7959 } else { 7960 sendAdded = true; 7961 } 7962 } 7963 } 7964 if (sendAdded) { 7965 sendPackageAddedForUser(packageName, pkgSetting, userId); 7966 return true; 7967 } 7968 if (sendRemoved) { 7969 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7970 "hiding pkg"); 7971 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7972 } 7973 } finally { 7974 Binder.restoreCallingIdentity(callingId); 7975 } 7976 return false; 7977 } 7978 7979 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7980 int userId) { 7981 final PackageRemovedInfo info = new PackageRemovedInfo(); 7982 info.removedPackage = packageName; 7983 info.removedUsers = new int[] {userId}; 7984 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7985 info.sendBroadcast(false, false, false); 7986 } 7987 7988 /** 7989 * Returns true if application is not found or there was an error. Otherwise it returns 7990 * the hidden state of the package for the given user. 7991 */ 7992 @Override 7993 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 7994 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7995 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7996 false, "getApplicationHidden for user " + userId); 7997 PackageSetting pkgSetting; 7998 long callingId = Binder.clearCallingIdentity(); 7999 try { 8000 // writer 8001 synchronized (mPackages) { 8002 pkgSetting = mSettings.mPackages.get(packageName); 8003 if (pkgSetting == null) { 8004 return true; 8005 } 8006 return pkgSetting.getHidden(userId); 8007 } 8008 } finally { 8009 Binder.restoreCallingIdentity(callingId); 8010 } 8011 } 8012 8013 /** 8014 * @hide 8015 */ 8016 @Override 8017 public int installExistingPackageAsUser(String packageName, int userId) { 8018 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8019 null); 8020 PackageSetting pkgSetting; 8021 final int uid = Binder.getCallingUid(); 8022 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8023 + userId); 8024 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8025 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8026 } 8027 8028 long callingId = Binder.clearCallingIdentity(); 8029 try { 8030 boolean sendAdded = false; 8031 Bundle extras = new Bundle(1); 8032 8033 // writer 8034 synchronized (mPackages) { 8035 pkgSetting = mSettings.mPackages.get(packageName); 8036 if (pkgSetting == null) { 8037 return PackageManager.INSTALL_FAILED_INVALID_URI; 8038 } 8039 if (!pkgSetting.getInstalled(userId)) { 8040 pkgSetting.setInstalled(true, userId); 8041 pkgSetting.setHidden(false, userId); 8042 mSettings.writePackageRestrictionsLPr(userId); 8043 sendAdded = true; 8044 } 8045 } 8046 8047 if (sendAdded) { 8048 sendPackageAddedForUser(packageName, pkgSetting, userId); 8049 } 8050 } finally { 8051 Binder.restoreCallingIdentity(callingId); 8052 } 8053 8054 return PackageManager.INSTALL_SUCCEEDED; 8055 } 8056 8057 boolean isUserRestricted(int userId, String restrictionKey) { 8058 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8059 if (restrictions.getBoolean(restrictionKey, false)) { 8060 Log.w(TAG, "User is restricted: " + restrictionKey); 8061 return true; 8062 } 8063 return false; 8064 } 8065 8066 @Override 8067 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8068 mContext.enforceCallingOrSelfPermission( 8069 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8070 "Only package verification agents can verify applications"); 8071 8072 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8073 final PackageVerificationResponse response = new PackageVerificationResponse( 8074 verificationCode, Binder.getCallingUid()); 8075 msg.arg1 = id; 8076 msg.obj = response; 8077 mHandler.sendMessage(msg); 8078 } 8079 8080 @Override 8081 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8082 long millisecondsToDelay) { 8083 mContext.enforceCallingOrSelfPermission( 8084 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8085 "Only package verification agents can extend verification timeouts"); 8086 8087 final PackageVerificationState state = mPendingVerification.get(id); 8088 final PackageVerificationResponse response = new PackageVerificationResponse( 8089 verificationCodeAtTimeout, Binder.getCallingUid()); 8090 8091 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8092 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8093 } 8094 if (millisecondsToDelay < 0) { 8095 millisecondsToDelay = 0; 8096 } 8097 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8098 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8099 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8100 } 8101 8102 if ((state != null) && !state.timeoutExtended()) { 8103 state.extendTimeout(); 8104 8105 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8106 msg.arg1 = id; 8107 msg.obj = response; 8108 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8109 } 8110 } 8111 8112 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8113 int verificationCode, UserHandle user) { 8114 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8115 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8116 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8117 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8118 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8119 8120 mContext.sendBroadcastAsUser(intent, user, 8121 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8122 } 8123 8124 private ComponentName matchComponentForVerifier(String packageName, 8125 List<ResolveInfo> receivers) { 8126 ActivityInfo targetReceiver = null; 8127 8128 final int NR = receivers.size(); 8129 for (int i = 0; i < NR; i++) { 8130 final ResolveInfo info = receivers.get(i); 8131 if (info.activityInfo == null) { 8132 continue; 8133 } 8134 8135 if (packageName.equals(info.activityInfo.packageName)) { 8136 targetReceiver = info.activityInfo; 8137 break; 8138 } 8139 } 8140 8141 if (targetReceiver == null) { 8142 return null; 8143 } 8144 8145 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8146 } 8147 8148 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8149 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8150 if (pkgInfo.verifiers.length == 0) { 8151 return null; 8152 } 8153 8154 final int N = pkgInfo.verifiers.length; 8155 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8156 for (int i = 0; i < N; i++) { 8157 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8158 8159 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8160 receivers); 8161 if (comp == null) { 8162 continue; 8163 } 8164 8165 final int verifierUid = getUidForVerifier(verifierInfo); 8166 if (verifierUid == -1) { 8167 continue; 8168 } 8169 8170 if (DEBUG_VERIFY) { 8171 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8172 + " with the correct signature"); 8173 } 8174 sufficientVerifiers.add(comp); 8175 verificationState.addSufficientVerifier(verifierUid); 8176 } 8177 8178 return sufficientVerifiers; 8179 } 8180 8181 private int getUidForVerifier(VerifierInfo verifierInfo) { 8182 synchronized (mPackages) { 8183 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8184 if (pkg == null) { 8185 return -1; 8186 } else if (pkg.mSignatures.length != 1) { 8187 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8188 + " has more than one signature; ignoring"); 8189 return -1; 8190 } 8191 8192 /* 8193 * If the public key of the package's signature does not match 8194 * our expected public key, then this is a different package and 8195 * we should skip. 8196 */ 8197 8198 final byte[] expectedPublicKey; 8199 try { 8200 final Signature verifierSig = pkg.mSignatures[0]; 8201 final PublicKey publicKey = verifierSig.getPublicKey(); 8202 expectedPublicKey = publicKey.getEncoded(); 8203 } catch (CertificateException e) { 8204 return -1; 8205 } 8206 8207 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8208 8209 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8210 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8211 + " does not have the expected public key; ignoring"); 8212 return -1; 8213 } 8214 8215 return pkg.applicationInfo.uid; 8216 } 8217 } 8218 8219 @Override 8220 public void finishPackageInstall(int token) { 8221 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8222 8223 if (DEBUG_INSTALL) { 8224 Slog.v(TAG, "BM finishing package install for " + token); 8225 } 8226 8227 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8228 mHandler.sendMessage(msg); 8229 } 8230 8231 /** 8232 * Get the verification agent timeout. 8233 * 8234 * @return verification timeout in milliseconds 8235 */ 8236 private long getVerificationTimeout() { 8237 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8238 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8239 DEFAULT_VERIFICATION_TIMEOUT); 8240 } 8241 8242 /** 8243 * Get the default verification agent response code. 8244 * 8245 * @return default verification response code 8246 */ 8247 private int getDefaultVerificationResponse() { 8248 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8249 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8250 DEFAULT_VERIFICATION_RESPONSE); 8251 } 8252 8253 /** 8254 * Check whether or not package verification has been enabled. 8255 * 8256 * @return true if verification should be performed 8257 */ 8258 private boolean isVerificationEnabled(int userId, int installFlags) { 8259 if (!DEFAULT_VERIFY_ENABLE) { 8260 return false; 8261 } 8262 8263 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8264 8265 // Check if installing from ADB 8266 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8267 // Do not run verification in a test harness environment 8268 if (ActivityManager.isRunningInTestHarness()) { 8269 return false; 8270 } 8271 if (ensureVerifyAppsEnabled) { 8272 return true; 8273 } 8274 // Check if the developer does not want package verification for ADB installs 8275 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8276 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8277 return false; 8278 } 8279 } 8280 8281 if (ensureVerifyAppsEnabled) { 8282 return true; 8283 } 8284 8285 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8286 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8287 } 8288 8289 /** 8290 * Get the "allow unknown sources" setting. 8291 * 8292 * @return the current "allow unknown sources" setting 8293 */ 8294 private int getUnknownSourcesSettings() { 8295 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8296 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8297 -1); 8298 } 8299 8300 @Override 8301 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8302 final int uid = Binder.getCallingUid(); 8303 // writer 8304 synchronized (mPackages) { 8305 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8306 if (targetPackageSetting == null) { 8307 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8308 } 8309 8310 PackageSetting installerPackageSetting; 8311 if (installerPackageName != null) { 8312 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8313 if (installerPackageSetting == null) { 8314 throw new IllegalArgumentException("Unknown installer package: " 8315 + installerPackageName); 8316 } 8317 } else { 8318 installerPackageSetting = null; 8319 } 8320 8321 Signature[] callerSignature; 8322 Object obj = mSettings.getUserIdLPr(uid); 8323 if (obj != null) { 8324 if (obj instanceof SharedUserSetting) { 8325 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8326 } else if (obj instanceof PackageSetting) { 8327 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8328 } else { 8329 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8330 } 8331 } else { 8332 throw new SecurityException("Unknown calling uid " + uid); 8333 } 8334 8335 // Verify: can't set installerPackageName to a package that is 8336 // not signed with the same cert as the caller. 8337 if (installerPackageSetting != null) { 8338 if (compareSignatures(callerSignature, 8339 installerPackageSetting.signatures.mSignatures) 8340 != PackageManager.SIGNATURE_MATCH) { 8341 throw new SecurityException( 8342 "Caller does not have same cert as new installer package " 8343 + installerPackageName); 8344 } 8345 } 8346 8347 // Verify: if target already has an installer package, it must 8348 // be signed with the same cert as the caller. 8349 if (targetPackageSetting.installerPackageName != null) { 8350 PackageSetting setting = mSettings.mPackages.get( 8351 targetPackageSetting.installerPackageName); 8352 // If the currently set package isn't valid, then it's always 8353 // okay to change it. 8354 if (setting != null) { 8355 if (compareSignatures(callerSignature, 8356 setting.signatures.mSignatures) 8357 != PackageManager.SIGNATURE_MATCH) { 8358 throw new SecurityException( 8359 "Caller does not have same cert as old installer package " 8360 + targetPackageSetting.installerPackageName); 8361 } 8362 } 8363 } 8364 8365 // Okay! 8366 targetPackageSetting.installerPackageName = installerPackageName; 8367 scheduleWriteSettingsLocked(); 8368 } 8369 } 8370 8371 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8372 // Queue up an async operation since the package installation may take a little while. 8373 mHandler.post(new Runnable() { 8374 public void run() { 8375 mHandler.removeCallbacks(this); 8376 // Result object to be returned 8377 PackageInstalledInfo res = new PackageInstalledInfo(); 8378 res.returnCode = currentStatus; 8379 res.uid = -1; 8380 res.pkg = null; 8381 res.removedInfo = new PackageRemovedInfo(); 8382 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8383 args.doPreInstall(res.returnCode); 8384 synchronized (mInstallLock) { 8385 installPackageLI(args, res); 8386 } 8387 args.doPostInstall(res.returnCode, res.uid); 8388 } 8389 8390 // A restore should be performed at this point if (a) the install 8391 // succeeded, (b) the operation is not an update, and (c) the new 8392 // package has not opted out of backup participation. 8393 final boolean update = res.removedInfo.removedPackage != null; 8394 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8395 boolean doRestore = !update 8396 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8397 8398 // Set up the post-install work request bookkeeping. This will be used 8399 // and cleaned up by the post-install event handling regardless of whether 8400 // there's a restore pass performed. Token values are >= 1. 8401 int token; 8402 if (mNextInstallToken < 0) mNextInstallToken = 1; 8403 token = mNextInstallToken++; 8404 8405 PostInstallData data = new PostInstallData(args, res); 8406 mRunningInstalls.put(token, data); 8407 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8408 8409 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8410 // Pass responsibility to the Backup Manager. It will perform a 8411 // restore if appropriate, then pass responsibility back to the 8412 // Package Manager to run the post-install observer callbacks 8413 // and broadcasts. 8414 IBackupManager bm = IBackupManager.Stub.asInterface( 8415 ServiceManager.getService(Context.BACKUP_SERVICE)); 8416 if (bm != null) { 8417 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8418 + " to BM for possible restore"); 8419 try { 8420 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8421 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8422 } else { 8423 doRestore = false; 8424 } 8425 } catch (RemoteException e) { 8426 // can't happen; the backup manager is local 8427 } catch (Exception e) { 8428 Slog.e(TAG, "Exception trying to enqueue restore", e); 8429 doRestore = false; 8430 } 8431 } else { 8432 Slog.e(TAG, "Backup Manager not found!"); 8433 doRestore = false; 8434 } 8435 } 8436 8437 if (!doRestore) { 8438 // No restore possible, or the Backup Manager was mysteriously not 8439 // available -- just fire the post-install work request directly. 8440 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8441 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8442 mHandler.sendMessage(msg); 8443 } 8444 } 8445 }); 8446 } 8447 8448 private abstract class HandlerParams { 8449 private static final int MAX_RETRIES = 4; 8450 8451 /** 8452 * Number of times startCopy() has been attempted and had a non-fatal 8453 * error. 8454 */ 8455 private int mRetries = 0; 8456 8457 /** User handle for the user requesting the information or installation. */ 8458 private final UserHandle mUser; 8459 8460 HandlerParams(UserHandle user) { 8461 mUser = user; 8462 } 8463 8464 UserHandle getUser() { 8465 return mUser; 8466 } 8467 8468 final boolean startCopy() { 8469 boolean res; 8470 try { 8471 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8472 8473 if (++mRetries > MAX_RETRIES) { 8474 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8475 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8476 handleServiceError(); 8477 return false; 8478 } else { 8479 handleStartCopy(); 8480 res = true; 8481 } 8482 } catch (RemoteException e) { 8483 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8484 mHandler.sendEmptyMessage(MCS_RECONNECT); 8485 res = false; 8486 } 8487 handleReturnCode(); 8488 return res; 8489 } 8490 8491 final void serviceError() { 8492 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8493 handleServiceError(); 8494 handleReturnCode(); 8495 } 8496 8497 abstract void handleStartCopy() throws RemoteException; 8498 abstract void handleServiceError(); 8499 abstract void handleReturnCode(); 8500 } 8501 8502 class MeasureParams extends HandlerParams { 8503 private final PackageStats mStats; 8504 private boolean mSuccess; 8505 8506 private final IPackageStatsObserver mObserver; 8507 8508 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8509 super(new UserHandle(stats.userHandle)); 8510 mObserver = observer; 8511 mStats = stats; 8512 } 8513 8514 @Override 8515 public String toString() { 8516 return "MeasureParams{" 8517 + Integer.toHexString(System.identityHashCode(this)) 8518 + " " + mStats.packageName + "}"; 8519 } 8520 8521 @Override 8522 void handleStartCopy() throws RemoteException { 8523 synchronized (mInstallLock) { 8524 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8525 } 8526 8527 if (mSuccess) { 8528 final boolean mounted; 8529 if (Environment.isExternalStorageEmulated()) { 8530 mounted = true; 8531 } else { 8532 final String status = Environment.getExternalStorageState(); 8533 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8534 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8535 } 8536 8537 if (mounted) { 8538 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8539 8540 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8541 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8542 8543 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8544 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8545 8546 // Always subtract cache size, since it's a subdirectory 8547 mStats.externalDataSize -= mStats.externalCacheSize; 8548 8549 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8550 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8551 8552 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8553 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8554 } 8555 } 8556 } 8557 8558 @Override 8559 void handleReturnCode() { 8560 if (mObserver != null) { 8561 try { 8562 mObserver.onGetStatsCompleted(mStats, mSuccess); 8563 } catch (RemoteException e) { 8564 Slog.i(TAG, "Observer no longer exists."); 8565 } 8566 } 8567 } 8568 8569 @Override 8570 void handleServiceError() { 8571 Slog.e(TAG, "Could not measure application " + mStats.packageName 8572 + " external storage"); 8573 } 8574 } 8575 8576 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8577 throws RemoteException { 8578 long result = 0; 8579 for (File path : paths) { 8580 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8581 } 8582 return result; 8583 } 8584 8585 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8586 for (File path : paths) { 8587 try { 8588 mcs.clearDirectory(path.getAbsolutePath()); 8589 } catch (RemoteException e) { 8590 } 8591 } 8592 } 8593 8594 static class OriginInfo { 8595 /** 8596 * Location where install is coming from, before it has been 8597 * copied/renamed into place. This could be a single monolithic APK 8598 * file, or a cluster directory. This location may be untrusted. 8599 */ 8600 final File file; 8601 final String cid; 8602 8603 /** 8604 * Flag indicating that {@link #file} or {@link #cid} has already been 8605 * staged, meaning downstream users don't need to defensively copy the 8606 * contents. 8607 */ 8608 final boolean staged; 8609 8610 /** 8611 * Flag indicating that {@link #file} or {@link #cid} is an already 8612 * installed app that is being moved. 8613 */ 8614 final boolean existing; 8615 8616 final String resolvedPath; 8617 final File resolvedFile; 8618 8619 static OriginInfo fromNothing() { 8620 return new OriginInfo(null, null, false, false); 8621 } 8622 8623 static OriginInfo fromUntrustedFile(File file) { 8624 return new OriginInfo(file, null, false, false); 8625 } 8626 8627 static OriginInfo fromExistingFile(File file) { 8628 return new OriginInfo(file, null, false, true); 8629 } 8630 8631 static OriginInfo fromStagedFile(File file) { 8632 return new OriginInfo(file, null, true, false); 8633 } 8634 8635 static OriginInfo fromStagedContainer(String cid) { 8636 return new OriginInfo(null, cid, true, false); 8637 } 8638 8639 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8640 this.file = file; 8641 this.cid = cid; 8642 this.staged = staged; 8643 this.existing = existing; 8644 8645 if (cid != null) { 8646 resolvedPath = PackageHelper.getSdDir(cid); 8647 resolvedFile = new File(resolvedPath); 8648 } else if (file != null) { 8649 resolvedPath = file.getAbsolutePath(); 8650 resolvedFile = file; 8651 } else { 8652 resolvedPath = null; 8653 resolvedFile = null; 8654 } 8655 } 8656 } 8657 8658 class InstallParams extends HandlerParams { 8659 final OriginInfo origin; 8660 final IPackageInstallObserver2 observer; 8661 int installFlags; 8662 final String installerPackageName; 8663 final VerificationParams verificationParams; 8664 private InstallArgs mArgs; 8665 private int mRet; 8666 final String packageAbiOverride; 8667 8668 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8669 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8670 String packageAbiOverride) { 8671 super(user); 8672 this.origin = origin; 8673 this.observer = observer; 8674 this.installFlags = installFlags; 8675 this.installerPackageName = installerPackageName; 8676 this.verificationParams = verificationParams; 8677 this.packageAbiOverride = packageAbiOverride; 8678 } 8679 8680 @Override 8681 public String toString() { 8682 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8683 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8684 } 8685 8686 public ManifestDigest getManifestDigest() { 8687 if (verificationParams == null) { 8688 return null; 8689 } 8690 return verificationParams.getManifestDigest(); 8691 } 8692 8693 private int installLocationPolicy(PackageInfoLite pkgLite) { 8694 String packageName = pkgLite.packageName; 8695 int installLocation = pkgLite.installLocation; 8696 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8697 // reader 8698 synchronized (mPackages) { 8699 PackageParser.Package pkg = mPackages.get(packageName); 8700 if (pkg != null) { 8701 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8702 // Check for downgrading. 8703 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8704 try { 8705 checkDowngrade(pkg, pkgLite); 8706 } catch (PackageManagerException e) { 8707 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8708 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8709 } 8710 } 8711 // Check for updated system application. 8712 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8713 if (onSd) { 8714 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8715 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8716 } 8717 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8718 } else { 8719 if (onSd) { 8720 // Install flag overrides everything. 8721 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8722 } 8723 // If current upgrade specifies particular preference 8724 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8725 // Application explicitly specified internal. 8726 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8727 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8728 // App explictly prefers external. Let policy decide 8729 } else { 8730 // Prefer previous location 8731 if (isExternal(pkg)) { 8732 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8733 } 8734 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8735 } 8736 } 8737 } else { 8738 // Invalid install. Return error code 8739 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8740 } 8741 } 8742 } 8743 // All the special cases have been taken care of. 8744 // Return result based on recommended install location. 8745 if (onSd) { 8746 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8747 } 8748 return pkgLite.recommendedInstallLocation; 8749 } 8750 8751 /* 8752 * Invoke remote method to get package information and install 8753 * location values. Override install location based on default 8754 * policy if needed and then create install arguments based 8755 * on the install location. 8756 */ 8757 public void handleStartCopy() throws RemoteException { 8758 int ret = PackageManager.INSTALL_SUCCEEDED; 8759 8760 // If we're already staged, we've firmly committed to an install location 8761 if (origin.staged) { 8762 if (origin.file != null) { 8763 installFlags |= PackageManager.INSTALL_INTERNAL; 8764 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8765 } else if (origin.cid != null) { 8766 installFlags |= PackageManager.INSTALL_EXTERNAL; 8767 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8768 } else { 8769 throw new IllegalStateException("Invalid stage location"); 8770 } 8771 } 8772 8773 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8774 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8775 8776 PackageInfoLite pkgLite = null; 8777 8778 if (onInt && onSd) { 8779 // Check if both bits are set. 8780 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8781 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8782 } else { 8783 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8784 packageAbiOverride); 8785 8786 /* 8787 * If we have too little free space, try to free cache 8788 * before giving up. 8789 */ 8790 if (!origin.staged && pkgLite.recommendedInstallLocation 8791 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8792 // TODO: focus freeing disk space on the target device 8793 final StorageManager storage = StorageManager.from(mContext); 8794 final long lowThreshold = storage.getStorageLowBytes( 8795 Environment.getDataDirectory()); 8796 8797 final long sizeBytes = mContainerService.calculateInstalledSize( 8798 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8799 8800 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8801 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8802 installFlags, packageAbiOverride); 8803 } 8804 8805 /* 8806 * The cache free must have deleted the file we 8807 * downloaded to install. 8808 * 8809 * TODO: fix the "freeCache" call to not delete 8810 * the file we care about. 8811 */ 8812 if (pkgLite.recommendedInstallLocation 8813 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8814 pkgLite.recommendedInstallLocation 8815 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8816 } 8817 } 8818 } 8819 8820 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8821 int loc = pkgLite.recommendedInstallLocation; 8822 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8823 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8824 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8825 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8826 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8827 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8828 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8829 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8830 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8831 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8832 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8833 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8834 } else { 8835 // Override with defaults if needed. 8836 loc = installLocationPolicy(pkgLite); 8837 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8838 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8839 } else if (!onSd && !onInt) { 8840 // Override install location with flags 8841 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8842 // Set the flag to install on external media. 8843 installFlags |= PackageManager.INSTALL_EXTERNAL; 8844 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8845 } else { 8846 // Make sure the flag for installing on external 8847 // media is unset 8848 installFlags |= PackageManager.INSTALL_INTERNAL; 8849 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8850 } 8851 } 8852 } 8853 } 8854 8855 final InstallArgs args = createInstallArgs(this); 8856 mArgs = args; 8857 8858 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8859 /* 8860 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8861 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8862 */ 8863 int userIdentifier = getUser().getIdentifier(); 8864 if (userIdentifier == UserHandle.USER_ALL 8865 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8866 userIdentifier = UserHandle.USER_OWNER; 8867 } 8868 8869 /* 8870 * Determine if we have any installed package verifiers. If we 8871 * do, then we'll defer to them to verify the packages. 8872 */ 8873 final int requiredUid = mRequiredVerifierPackage == null ? -1 8874 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8875 if (!origin.existing && requiredUid != -1 8876 && isVerificationEnabled(userIdentifier, installFlags)) { 8877 final Intent verification = new Intent( 8878 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8879 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 8880 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8881 PACKAGE_MIME_TYPE); 8882 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8883 8884 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8885 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8886 0 /* TODO: Which userId? */); 8887 8888 if (DEBUG_VERIFY) { 8889 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8890 + verification.toString() + " with " + pkgLite.verifiers.length 8891 + " optional verifiers"); 8892 } 8893 8894 final int verificationId = mPendingVerificationToken++; 8895 8896 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8897 8898 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8899 installerPackageName); 8900 8901 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8902 installFlags); 8903 8904 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8905 pkgLite.packageName); 8906 8907 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8908 pkgLite.versionCode); 8909 8910 if (verificationParams != null) { 8911 if (verificationParams.getVerificationURI() != null) { 8912 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8913 verificationParams.getVerificationURI()); 8914 } 8915 if (verificationParams.getOriginatingURI() != null) { 8916 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8917 verificationParams.getOriginatingURI()); 8918 } 8919 if (verificationParams.getReferrer() != null) { 8920 verification.putExtra(Intent.EXTRA_REFERRER, 8921 verificationParams.getReferrer()); 8922 } 8923 if (verificationParams.getOriginatingUid() >= 0) { 8924 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8925 verificationParams.getOriginatingUid()); 8926 } 8927 if (verificationParams.getInstallerUid() >= 0) { 8928 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8929 verificationParams.getInstallerUid()); 8930 } 8931 } 8932 8933 final PackageVerificationState verificationState = new PackageVerificationState( 8934 requiredUid, args); 8935 8936 mPendingVerification.append(verificationId, verificationState); 8937 8938 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8939 receivers, verificationState); 8940 8941 /* 8942 * If any sufficient verifiers were listed in the package 8943 * manifest, attempt to ask them. 8944 */ 8945 if (sufficientVerifiers != null) { 8946 final int N = sufficientVerifiers.size(); 8947 if (N == 0) { 8948 Slog.i(TAG, "Additional verifiers required, but none installed."); 8949 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8950 } else { 8951 for (int i = 0; i < N; i++) { 8952 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8953 8954 final Intent sufficientIntent = new Intent(verification); 8955 sufficientIntent.setComponent(verifierComponent); 8956 8957 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8958 } 8959 } 8960 } 8961 8962 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8963 mRequiredVerifierPackage, receivers); 8964 if (ret == PackageManager.INSTALL_SUCCEEDED 8965 && mRequiredVerifierPackage != null) { 8966 /* 8967 * Send the intent to the required verification agent, 8968 * but only start the verification timeout after the 8969 * target BroadcastReceivers have run. 8970 */ 8971 verification.setComponent(requiredVerifierComponent); 8972 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8973 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8974 new BroadcastReceiver() { 8975 @Override 8976 public void onReceive(Context context, Intent intent) { 8977 final Message msg = mHandler 8978 .obtainMessage(CHECK_PENDING_VERIFICATION); 8979 msg.arg1 = verificationId; 8980 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8981 } 8982 }, null, 0, null, null); 8983 8984 /* 8985 * We don't want the copy to proceed until verification 8986 * succeeds, so null out this field. 8987 */ 8988 mArgs = null; 8989 } 8990 } else { 8991 /* 8992 * No package verification is enabled, so immediately start 8993 * the remote call to initiate copy using temporary file. 8994 */ 8995 ret = args.copyApk(mContainerService, true); 8996 } 8997 } 8998 8999 mRet = ret; 9000 } 9001 9002 @Override 9003 void handleReturnCode() { 9004 // If mArgs is null, then MCS couldn't be reached. When it 9005 // reconnects, it will try again to install. At that point, this 9006 // will succeed. 9007 if (mArgs != null) { 9008 processPendingInstall(mArgs, mRet); 9009 } 9010 } 9011 9012 @Override 9013 void handleServiceError() { 9014 mArgs = createInstallArgs(this); 9015 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9016 } 9017 9018 public boolean isForwardLocked() { 9019 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9020 } 9021 } 9022 9023 /** 9024 * Used during creation of InstallArgs 9025 * 9026 * @param installFlags package installation flags 9027 * @return true if should be installed on external storage 9028 */ 9029 private static boolean installOnSd(int installFlags) { 9030 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9031 return false; 9032 } 9033 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9034 return true; 9035 } 9036 return false; 9037 } 9038 9039 /** 9040 * Used during creation of InstallArgs 9041 * 9042 * @param installFlags package installation flags 9043 * @return true if should be installed as forward locked 9044 */ 9045 private static boolean installForwardLocked(int installFlags) { 9046 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9047 } 9048 9049 private InstallArgs createInstallArgs(InstallParams params) { 9050 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9051 return new AsecInstallArgs(params); 9052 } else { 9053 return new FileInstallArgs(params); 9054 } 9055 } 9056 9057 /** 9058 * Create args that describe an existing installed package. Typically used 9059 * when cleaning up old installs, or used as a move source. 9060 */ 9061 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9062 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9063 final boolean isInAsec; 9064 if (installOnSd(installFlags)) { 9065 /* Apps on SD card are always in ASEC containers. */ 9066 isInAsec = true; 9067 } else if (installForwardLocked(installFlags) 9068 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9069 /* 9070 * Forward-locked apps are only in ASEC containers if they're the 9071 * new style 9072 */ 9073 isInAsec = true; 9074 } else { 9075 isInAsec = false; 9076 } 9077 9078 if (isInAsec) { 9079 return new AsecInstallArgs(codePath, instructionSets, 9080 installOnSd(installFlags), installForwardLocked(installFlags)); 9081 } else { 9082 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9083 instructionSets); 9084 } 9085 } 9086 9087 static abstract class InstallArgs { 9088 /** @see InstallParams#origin */ 9089 final OriginInfo origin; 9090 9091 final IPackageInstallObserver2 observer; 9092 // Always refers to PackageManager flags only 9093 final int installFlags; 9094 final String installerPackageName; 9095 final ManifestDigest manifestDigest; 9096 final UserHandle user; 9097 final String abiOverride; 9098 9099 // The list of instruction sets supported by this app. This is currently 9100 // only used during the rmdex() phase to clean up resources. We can get rid of this 9101 // if we move dex files under the common app path. 9102 /* nullable */ String[] instructionSets; 9103 9104 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9105 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9106 String[] instructionSets, String abiOverride) { 9107 this.origin = origin; 9108 this.installFlags = installFlags; 9109 this.observer = observer; 9110 this.installerPackageName = installerPackageName; 9111 this.manifestDigest = manifestDigest; 9112 this.user = user; 9113 this.instructionSets = instructionSets; 9114 this.abiOverride = abiOverride; 9115 } 9116 9117 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9118 abstract int doPreInstall(int status); 9119 9120 /** 9121 * Rename package into final resting place. All paths on the given 9122 * scanned package should be updated to reflect the rename. 9123 */ 9124 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9125 abstract int doPostInstall(int status, int uid); 9126 9127 /** @see PackageSettingBase#codePathString */ 9128 abstract String getCodePath(); 9129 /** @see PackageSettingBase#resourcePathString */ 9130 abstract String getResourcePath(); 9131 abstract String getLegacyNativeLibraryPath(); 9132 9133 // Need installer lock especially for dex file removal. 9134 abstract void cleanUpResourcesLI(); 9135 abstract boolean doPostDeleteLI(boolean delete); 9136 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9137 9138 /** 9139 * Called before the source arguments are copied. This is used mostly 9140 * for MoveParams when it needs to read the source file to put it in the 9141 * destination. 9142 */ 9143 int doPreCopy() { 9144 return PackageManager.INSTALL_SUCCEEDED; 9145 } 9146 9147 /** 9148 * Called after the source arguments are copied. This is used mostly for 9149 * MoveParams when it needs to read the source file to put it in the 9150 * destination. 9151 * 9152 * @return 9153 */ 9154 int doPostCopy(int uid) { 9155 return PackageManager.INSTALL_SUCCEEDED; 9156 } 9157 9158 protected boolean isFwdLocked() { 9159 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9160 } 9161 9162 protected boolean isExternal() { 9163 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9164 } 9165 9166 UserHandle getUser() { 9167 return user; 9168 } 9169 } 9170 9171 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9172 if (!allCodePaths.isEmpty()) { 9173 if (instructionSets == null) { 9174 throw new IllegalStateException("instructionSet == null"); 9175 } 9176 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9177 for (String codePath : allCodePaths) { 9178 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9179 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9180 if (retCode < 0) { 9181 Slog.w(TAG, "Couldn't remove dex file for package: " 9182 + " at location " + codePath + ", retcode=" + retCode); 9183 // we don't consider this to be a failure of the core package deletion 9184 } 9185 } 9186 } 9187 } 9188 } 9189 9190 /** 9191 * Logic to handle installation of non-ASEC applications, including copying 9192 * and renaming logic. 9193 */ 9194 class FileInstallArgs extends InstallArgs { 9195 private File codeFile; 9196 private File resourceFile; 9197 private File legacyNativeLibraryPath; 9198 9199 // Example topology: 9200 // /data/app/com.example/base.apk 9201 // /data/app/com.example/split_foo.apk 9202 // /data/app/com.example/lib/arm/libfoo.so 9203 // /data/app/com.example/lib/arm64/libfoo.so 9204 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9205 9206 /** New install */ 9207 FileInstallArgs(InstallParams params) { 9208 super(params.origin, params.observer, params.installFlags, 9209 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9210 null /* instruction sets */, params.packageAbiOverride); 9211 if (isFwdLocked()) { 9212 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9213 } 9214 } 9215 9216 /** Existing install */ 9217 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9218 String[] instructionSets) { 9219 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9220 this.codeFile = (codePath != null) ? new File(codePath) : null; 9221 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9222 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9223 new File(legacyNativeLibraryPath) : null; 9224 } 9225 9226 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9227 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9228 isFwdLocked(), abiOverride); 9229 9230 final StorageManager storage = StorageManager.from(mContext); 9231 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9232 } 9233 9234 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9235 if (origin.staged) { 9236 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9237 codeFile = origin.file; 9238 resourceFile = origin.file; 9239 return PackageManager.INSTALL_SUCCEEDED; 9240 } 9241 9242 try { 9243 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9244 codeFile = tempDir; 9245 resourceFile = tempDir; 9246 } catch (IOException e) { 9247 Slog.w(TAG, "Failed to create copy file: " + e); 9248 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9249 } 9250 9251 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9252 @Override 9253 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9254 if (!FileUtils.isValidExtFilename(name)) { 9255 throw new IllegalArgumentException("Invalid filename: " + name); 9256 } 9257 try { 9258 final File file = new File(codeFile, name); 9259 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9260 O_RDWR | O_CREAT, 0644); 9261 Os.chmod(file.getAbsolutePath(), 0644); 9262 return new ParcelFileDescriptor(fd); 9263 } catch (ErrnoException e) { 9264 throw new RemoteException("Failed to open: " + e.getMessage()); 9265 } 9266 } 9267 }; 9268 9269 int ret = PackageManager.INSTALL_SUCCEEDED; 9270 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9271 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9272 Slog.e(TAG, "Failed to copy package"); 9273 return ret; 9274 } 9275 9276 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9277 NativeLibraryHelper.Handle handle = null; 9278 try { 9279 handle = NativeLibraryHelper.Handle.create(codeFile); 9280 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9281 abiOverride); 9282 } catch (IOException e) { 9283 Slog.e(TAG, "Copying native libraries failed", e); 9284 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9285 } finally { 9286 IoUtils.closeQuietly(handle); 9287 } 9288 9289 return ret; 9290 } 9291 9292 int doPreInstall(int status) { 9293 if (status != PackageManager.INSTALL_SUCCEEDED) { 9294 cleanUp(); 9295 } 9296 return status; 9297 } 9298 9299 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9300 if (status != PackageManager.INSTALL_SUCCEEDED) { 9301 cleanUp(); 9302 return false; 9303 } else { 9304 final File beforeCodeFile = codeFile; 9305 final File afterCodeFile = getNextCodePath(pkg.packageName); 9306 9307 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9308 try { 9309 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9310 } catch (ErrnoException e) { 9311 Slog.d(TAG, "Failed to rename", e); 9312 return false; 9313 } 9314 9315 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9316 Slog.d(TAG, "Failed to restorecon"); 9317 return false; 9318 } 9319 9320 // Reflect the rename internally 9321 codeFile = afterCodeFile; 9322 resourceFile = afterCodeFile; 9323 9324 // Reflect the rename in scanned details 9325 pkg.codePath = afterCodeFile.getAbsolutePath(); 9326 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9327 pkg.baseCodePath); 9328 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9329 pkg.splitCodePaths); 9330 9331 // Reflect the rename in app info 9332 pkg.applicationInfo.setCodePath(pkg.codePath); 9333 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9334 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9335 pkg.applicationInfo.setResourcePath(pkg.codePath); 9336 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9337 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9338 9339 return true; 9340 } 9341 } 9342 9343 int doPostInstall(int status, int uid) { 9344 if (status != PackageManager.INSTALL_SUCCEEDED) { 9345 cleanUp(); 9346 } 9347 return status; 9348 } 9349 9350 @Override 9351 String getCodePath() { 9352 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9353 } 9354 9355 @Override 9356 String getResourcePath() { 9357 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9358 } 9359 9360 @Override 9361 String getLegacyNativeLibraryPath() { 9362 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9363 } 9364 9365 private boolean cleanUp() { 9366 if (codeFile == null || !codeFile.exists()) { 9367 return false; 9368 } 9369 9370 if (codeFile.isDirectory()) { 9371 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 9372 } else { 9373 codeFile.delete(); 9374 } 9375 9376 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9377 resourceFile.delete(); 9378 } 9379 9380 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9381 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9382 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9383 } 9384 legacyNativeLibraryPath.delete(); 9385 } 9386 9387 return true; 9388 } 9389 9390 void cleanUpResourcesLI() { 9391 // Try enumerating all code paths before deleting 9392 List<String> allCodePaths = Collections.EMPTY_LIST; 9393 if (codeFile != null && codeFile.exists()) { 9394 try { 9395 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9396 allCodePaths = pkg.getAllCodePaths(); 9397 } catch (PackageParserException e) { 9398 // Ignored; we tried our best 9399 } 9400 } 9401 9402 cleanUp(); 9403 removeDexFiles(allCodePaths, instructionSets); 9404 } 9405 9406 boolean doPostDeleteLI(boolean delete) { 9407 // XXX err, shouldn't we respect the delete flag? 9408 cleanUpResourcesLI(); 9409 return true; 9410 } 9411 } 9412 9413 private boolean isAsecExternal(String cid) { 9414 final String asecPath = PackageHelper.getSdFilesystem(cid); 9415 return !asecPath.startsWith(mAsecInternalPath); 9416 } 9417 9418 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9419 PackageManagerException { 9420 if (copyRet < 0) { 9421 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9422 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9423 throw new PackageManagerException(copyRet, message); 9424 } 9425 } 9426 } 9427 9428 /** 9429 * Extract the MountService "container ID" from the full code path of an 9430 * .apk. 9431 */ 9432 static String cidFromCodePath(String fullCodePath) { 9433 int eidx = fullCodePath.lastIndexOf("/"); 9434 String subStr1 = fullCodePath.substring(0, eidx); 9435 int sidx = subStr1.lastIndexOf("/"); 9436 return subStr1.substring(sidx+1, eidx); 9437 } 9438 9439 /** 9440 * Logic to handle installation of ASEC applications, including copying and 9441 * renaming logic. 9442 */ 9443 class AsecInstallArgs extends InstallArgs { 9444 static final String RES_FILE_NAME = "pkg.apk"; 9445 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9446 9447 String cid; 9448 String packagePath; 9449 String resourcePath; 9450 String legacyNativeLibraryDir; 9451 9452 /** New install */ 9453 AsecInstallArgs(InstallParams params) { 9454 super(params.origin, params.observer, params.installFlags, 9455 params.installerPackageName, params.getManifestDigest(), 9456 params.getUser(), null /* instruction sets */, 9457 params.packageAbiOverride); 9458 } 9459 9460 /** Existing install */ 9461 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9462 boolean isExternal, boolean isForwardLocked) { 9463 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9464 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9465 instructionSets, null); 9466 // Hackily pretend we're still looking at a full code path 9467 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9468 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9469 } 9470 9471 // Extract cid from fullCodePath 9472 int eidx = fullCodePath.lastIndexOf("/"); 9473 String subStr1 = fullCodePath.substring(0, eidx); 9474 int sidx = subStr1.lastIndexOf("/"); 9475 cid = subStr1.substring(sidx+1, eidx); 9476 setMountPath(subStr1); 9477 } 9478 9479 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9480 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9481 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9482 instructionSets, null); 9483 this.cid = cid; 9484 setMountPath(PackageHelper.getSdDir(cid)); 9485 } 9486 9487 void createCopyFile() { 9488 cid = mInstallerService.allocateExternalStageCidLegacy(); 9489 } 9490 9491 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9492 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9493 abiOverride); 9494 9495 final File target; 9496 if (isExternal()) { 9497 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9498 } else { 9499 target = Environment.getDataDirectory(); 9500 } 9501 9502 final StorageManager storage = StorageManager.from(mContext); 9503 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9504 } 9505 9506 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9507 if (origin.staged) { 9508 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9509 cid = origin.cid; 9510 setMountPath(PackageHelper.getSdDir(cid)); 9511 return PackageManager.INSTALL_SUCCEEDED; 9512 } 9513 9514 if (temp) { 9515 createCopyFile(); 9516 } else { 9517 /* 9518 * Pre-emptively destroy the container since it's destroyed if 9519 * copying fails due to it existing anyway. 9520 */ 9521 PackageHelper.destroySdDir(cid); 9522 } 9523 9524 final String newMountPath = imcs.copyPackageToContainer( 9525 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9526 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9527 9528 if (newMountPath != null) { 9529 setMountPath(newMountPath); 9530 return PackageManager.INSTALL_SUCCEEDED; 9531 } else { 9532 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9533 } 9534 } 9535 9536 @Override 9537 String getCodePath() { 9538 return packagePath; 9539 } 9540 9541 @Override 9542 String getResourcePath() { 9543 return resourcePath; 9544 } 9545 9546 @Override 9547 String getLegacyNativeLibraryPath() { 9548 return legacyNativeLibraryDir; 9549 } 9550 9551 int doPreInstall(int status) { 9552 if (status != PackageManager.INSTALL_SUCCEEDED) { 9553 // Destroy container 9554 PackageHelper.destroySdDir(cid); 9555 } else { 9556 boolean mounted = PackageHelper.isContainerMounted(cid); 9557 if (!mounted) { 9558 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9559 Process.SYSTEM_UID); 9560 if (newMountPath != null) { 9561 setMountPath(newMountPath); 9562 } else { 9563 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9564 } 9565 } 9566 } 9567 return status; 9568 } 9569 9570 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9571 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9572 String newMountPath = null; 9573 if (PackageHelper.isContainerMounted(cid)) { 9574 // Unmount the container 9575 if (!PackageHelper.unMountSdDir(cid)) { 9576 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9577 return false; 9578 } 9579 } 9580 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9581 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9582 " which might be stale. Will try to clean up."); 9583 // Clean up the stale container and proceed to recreate. 9584 if (!PackageHelper.destroySdDir(newCacheId)) { 9585 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9586 return false; 9587 } 9588 // Successfully cleaned up stale container. Try to rename again. 9589 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9590 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9591 + " inspite of cleaning it up."); 9592 return false; 9593 } 9594 } 9595 if (!PackageHelper.isContainerMounted(newCacheId)) { 9596 Slog.w(TAG, "Mounting container " + newCacheId); 9597 newMountPath = PackageHelper.mountSdDir(newCacheId, 9598 getEncryptKey(), Process.SYSTEM_UID); 9599 } else { 9600 newMountPath = PackageHelper.getSdDir(newCacheId); 9601 } 9602 if (newMountPath == null) { 9603 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9604 return false; 9605 } 9606 Log.i(TAG, "Succesfully renamed " + cid + 9607 " to " + newCacheId + 9608 " at new path: " + newMountPath); 9609 cid = newCacheId; 9610 9611 final File beforeCodeFile = new File(packagePath); 9612 setMountPath(newMountPath); 9613 final File afterCodeFile = new File(packagePath); 9614 9615 // Reflect the rename in scanned details 9616 pkg.codePath = afterCodeFile.getAbsolutePath(); 9617 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9618 pkg.baseCodePath); 9619 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9620 pkg.splitCodePaths); 9621 9622 // Reflect the rename in app info 9623 pkg.applicationInfo.setCodePath(pkg.codePath); 9624 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9625 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9626 pkg.applicationInfo.setResourcePath(pkg.codePath); 9627 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9628 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9629 9630 return true; 9631 } 9632 9633 private void setMountPath(String mountPath) { 9634 final File mountFile = new File(mountPath); 9635 9636 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9637 if (monolithicFile.exists()) { 9638 packagePath = monolithicFile.getAbsolutePath(); 9639 if (isFwdLocked()) { 9640 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9641 } else { 9642 resourcePath = packagePath; 9643 } 9644 } else { 9645 packagePath = mountFile.getAbsolutePath(); 9646 resourcePath = packagePath; 9647 } 9648 9649 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9650 } 9651 9652 int doPostInstall(int status, int uid) { 9653 if (status != PackageManager.INSTALL_SUCCEEDED) { 9654 cleanUp(); 9655 } else { 9656 final int groupOwner; 9657 final String protectedFile; 9658 if (isFwdLocked()) { 9659 groupOwner = UserHandle.getSharedAppGid(uid); 9660 protectedFile = RES_FILE_NAME; 9661 } else { 9662 groupOwner = -1; 9663 protectedFile = null; 9664 } 9665 9666 if (uid < Process.FIRST_APPLICATION_UID 9667 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9668 Slog.e(TAG, "Failed to finalize " + cid); 9669 PackageHelper.destroySdDir(cid); 9670 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9671 } 9672 9673 boolean mounted = PackageHelper.isContainerMounted(cid); 9674 if (!mounted) { 9675 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9676 } 9677 } 9678 return status; 9679 } 9680 9681 private void cleanUp() { 9682 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9683 9684 // Destroy secure container 9685 PackageHelper.destroySdDir(cid); 9686 } 9687 9688 private List<String> getAllCodePaths() { 9689 final File codeFile = new File(getCodePath()); 9690 if (codeFile != null && codeFile.exists()) { 9691 try { 9692 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9693 return pkg.getAllCodePaths(); 9694 } catch (PackageParserException e) { 9695 // Ignored; we tried our best 9696 } 9697 } 9698 return Collections.EMPTY_LIST; 9699 } 9700 9701 void cleanUpResourcesLI() { 9702 // Enumerate all code paths before deleting 9703 cleanUpResourcesLI(getAllCodePaths()); 9704 } 9705 9706 private void cleanUpResourcesLI(List<String> allCodePaths) { 9707 cleanUp(); 9708 removeDexFiles(allCodePaths, instructionSets); 9709 } 9710 9711 9712 9713 String getPackageName() { 9714 return getAsecPackageName(cid); 9715 } 9716 9717 boolean doPostDeleteLI(boolean delete) { 9718 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9719 final List<String> allCodePaths = getAllCodePaths(); 9720 boolean mounted = PackageHelper.isContainerMounted(cid); 9721 if (mounted) { 9722 // Unmount first 9723 if (PackageHelper.unMountSdDir(cid)) { 9724 mounted = false; 9725 } 9726 } 9727 if (!mounted && delete) { 9728 cleanUpResourcesLI(allCodePaths); 9729 } 9730 return !mounted; 9731 } 9732 9733 @Override 9734 int doPreCopy() { 9735 if (isFwdLocked()) { 9736 if (!PackageHelper.fixSdPermissions(cid, 9737 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9738 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9739 } 9740 } 9741 9742 return PackageManager.INSTALL_SUCCEEDED; 9743 } 9744 9745 @Override 9746 int doPostCopy(int uid) { 9747 if (isFwdLocked()) { 9748 if (uid < Process.FIRST_APPLICATION_UID 9749 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9750 RES_FILE_NAME)) { 9751 Slog.e(TAG, "Failed to finalize " + cid); 9752 PackageHelper.destroySdDir(cid); 9753 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9754 } 9755 } 9756 9757 return PackageManager.INSTALL_SUCCEEDED; 9758 } 9759 } 9760 9761 static String getAsecPackageName(String packageCid) { 9762 int idx = packageCid.lastIndexOf("-"); 9763 if (idx == -1) { 9764 return packageCid; 9765 } 9766 return packageCid.substring(0, idx); 9767 } 9768 9769 // Utility method used to create code paths based on package name and available index. 9770 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9771 String idxStr = ""; 9772 int idx = 1; 9773 // Fall back to default value of idx=1 if prefix is not 9774 // part of oldCodePath 9775 if (oldCodePath != null) { 9776 String subStr = oldCodePath; 9777 // Drop the suffix right away 9778 if (suffix != null && subStr.endsWith(suffix)) { 9779 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9780 } 9781 // If oldCodePath already contains prefix find out the 9782 // ending index to either increment or decrement. 9783 int sidx = subStr.lastIndexOf(prefix); 9784 if (sidx != -1) { 9785 subStr = subStr.substring(sidx + prefix.length()); 9786 if (subStr != null) { 9787 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9788 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9789 } 9790 try { 9791 idx = Integer.parseInt(subStr); 9792 if (idx <= 1) { 9793 idx++; 9794 } else { 9795 idx--; 9796 } 9797 } catch(NumberFormatException e) { 9798 } 9799 } 9800 } 9801 } 9802 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9803 return prefix + idxStr; 9804 } 9805 9806 private File getNextCodePath(String packageName) { 9807 int suffix = 1; 9808 File result; 9809 do { 9810 result = new File(mAppInstallDir, packageName + "-" + suffix); 9811 suffix++; 9812 } while (result.exists()); 9813 return result; 9814 } 9815 9816 // Utility method that returns the relative package path with respect 9817 // to the installation directory. Like say for /data/data/com.test-1.apk 9818 // string com.test-1 is returned. 9819 static String deriveCodePathName(String codePath) { 9820 if (codePath == null) { 9821 return null; 9822 } 9823 final File codeFile = new File(codePath); 9824 final String name = codeFile.getName(); 9825 if (codeFile.isDirectory()) { 9826 return name; 9827 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9828 final int lastDot = name.lastIndexOf('.'); 9829 return name.substring(0, lastDot); 9830 } else { 9831 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9832 return null; 9833 } 9834 } 9835 9836 class PackageInstalledInfo { 9837 String name; 9838 int uid; 9839 // The set of users that originally had this package installed. 9840 int[] origUsers; 9841 // The set of users that now have this package installed. 9842 int[] newUsers; 9843 PackageParser.Package pkg; 9844 int returnCode; 9845 String returnMsg; 9846 PackageRemovedInfo removedInfo; 9847 9848 public void setError(int code, String msg) { 9849 returnCode = code; 9850 returnMsg = msg; 9851 Slog.w(TAG, msg); 9852 } 9853 9854 public void setError(String msg, PackageParserException e) { 9855 returnCode = e.error; 9856 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9857 Slog.w(TAG, msg, e); 9858 } 9859 9860 public void setError(String msg, PackageManagerException e) { 9861 returnCode = e.error; 9862 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9863 Slog.w(TAG, msg, e); 9864 } 9865 9866 // In some error cases we want to convey more info back to the observer 9867 String origPackage; 9868 String origPermission; 9869 } 9870 9871 /* 9872 * Install a non-existing package. 9873 */ 9874 private void installNewPackageLI(PackageParser.Package pkg, 9875 int parseFlags, int scanFlags, UserHandle user, 9876 String installerPackageName, PackageInstalledInfo res) { 9877 // Remember this for later, in case we need to rollback this install 9878 String pkgName = pkg.packageName; 9879 9880 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9881 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9882 synchronized(mPackages) { 9883 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9884 // A package with the same name is already installed, though 9885 // it has been renamed to an older name. The package we 9886 // are trying to install should be installed as an update to 9887 // the existing one, but that has not been requested, so bail. 9888 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9889 + " without first uninstalling package running as " 9890 + mSettings.mRenamedPackages.get(pkgName)); 9891 return; 9892 } 9893 if (mPackages.containsKey(pkgName)) { 9894 // Don't allow installation over an existing package with the same name. 9895 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9896 + " without first uninstalling."); 9897 return; 9898 } 9899 } 9900 9901 try { 9902 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9903 System.currentTimeMillis(), user); 9904 9905 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9906 // delete the partially installed application. the data directory will have to be 9907 // restored if it was already existing 9908 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9909 // remove package from internal structures. Note that we want deletePackageX to 9910 // delete the package data and cache directories that it created in 9911 // scanPackageLocked, unless those directories existed before we even tried to 9912 // install. 9913 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9914 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9915 res.removedInfo, true); 9916 } 9917 9918 } catch (PackageManagerException e) { 9919 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9920 } 9921 } 9922 9923 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9924 // Upgrade keysets are being used. Determine if new package has a superset of the 9925 // required keys. 9926 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9927 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9928 for (int i = 0; i < upgradeKeySets.length; i++) { 9929 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9930 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9931 return true; 9932 } 9933 } 9934 return false; 9935 } 9936 9937 private void replacePackageLI(PackageParser.Package pkg, 9938 int parseFlags, int scanFlags, UserHandle user, 9939 String installerPackageName, PackageInstalledInfo res) { 9940 PackageParser.Package oldPackage; 9941 String pkgName = pkg.packageName; 9942 int[] allUsers; 9943 boolean[] perUserInstalled; 9944 9945 // First find the old package info and check signatures 9946 synchronized(mPackages) { 9947 oldPackage = mPackages.get(pkgName); 9948 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9949 PackageSetting ps = mSettings.mPackages.get(pkgName); 9950 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9951 // default to original signature matching 9952 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9953 != PackageManager.SIGNATURE_MATCH) { 9954 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9955 "New package has a different signature: " + pkgName); 9956 return; 9957 } 9958 } else { 9959 if(!checkUpgradeKeySetLP(ps, pkg)) { 9960 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9961 "New package not signed by keys specified by upgrade-keysets: " 9962 + pkgName); 9963 return; 9964 } 9965 } 9966 9967 // In case of rollback, remember per-user/profile install state 9968 allUsers = sUserManager.getUserIds(); 9969 perUserInstalled = new boolean[allUsers.length]; 9970 for (int i = 0; i < allUsers.length; i++) { 9971 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9972 } 9973 } 9974 9975 boolean sysPkg = (isSystemApp(oldPackage)); 9976 if (sysPkg) { 9977 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9978 user, allUsers, perUserInstalled, installerPackageName, res); 9979 } else { 9980 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9981 user, allUsers, perUserInstalled, installerPackageName, res); 9982 } 9983 } 9984 9985 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9986 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9987 int[] allUsers, boolean[] perUserInstalled, 9988 String installerPackageName, PackageInstalledInfo res) { 9989 String pkgName = deletedPackage.packageName; 9990 boolean deletedPkg = true; 9991 boolean updatedSettings = false; 9992 9993 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9994 + deletedPackage); 9995 long origUpdateTime; 9996 if (pkg.mExtras != null) { 9997 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9998 } else { 9999 origUpdateTime = 0; 10000 } 10001 10002 // First delete the existing package while retaining the data directory 10003 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10004 res.removedInfo, true)) { 10005 // If the existing package wasn't successfully deleted 10006 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10007 deletedPkg = false; 10008 } else { 10009 // Successfully deleted the old package; proceed with replace. 10010 10011 // If deleted package lived in a container, give users a chance to 10012 // relinquish resources before killing. 10013 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10014 if (DEBUG_INSTALL) { 10015 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10016 } 10017 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10018 final ArrayList<String> pkgList = new ArrayList<String>(1); 10019 pkgList.add(deletedPackage.applicationInfo.packageName); 10020 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10021 } 10022 10023 deleteCodeCacheDirsLI(pkgName); 10024 try { 10025 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10026 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10027 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10028 updatedSettings = true; 10029 } catch (PackageManagerException e) { 10030 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10031 } 10032 } 10033 10034 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10035 // remove package from internal structures. Note that we want deletePackageX to 10036 // delete the package data and cache directories that it created in 10037 // scanPackageLocked, unless those directories existed before we even tried to 10038 // install. 10039 if(updatedSettings) { 10040 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10041 deletePackageLI( 10042 pkgName, null, true, allUsers, perUserInstalled, 10043 PackageManager.DELETE_KEEP_DATA, 10044 res.removedInfo, true); 10045 } 10046 // Since we failed to install the new package we need to restore the old 10047 // package that we deleted. 10048 if (deletedPkg) { 10049 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10050 File restoreFile = new File(deletedPackage.codePath); 10051 // Parse old package 10052 boolean oldOnSd = isExternal(deletedPackage); 10053 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10054 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10055 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10056 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10057 try { 10058 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10059 } catch (PackageManagerException e) { 10060 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10061 + e.getMessage()); 10062 return; 10063 } 10064 // Restore of old package succeeded. Update permissions. 10065 // writer 10066 synchronized (mPackages) { 10067 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10068 UPDATE_PERMISSIONS_ALL); 10069 // can downgrade to reader 10070 mSettings.writeLPr(); 10071 } 10072 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10073 } 10074 } 10075 } 10076 10077 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10078 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10079 int[] allUsers, boolean[] perUserInstalled, 10080 String installerPackageName, PackageInstalledInfo res) { 10081 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10082 + ", old=" + deletedPackage); 10083 boolean disabledSystem = false; 10084 boolean updatedSettings = false; 10085 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10086 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10087 != 0) { 10088 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10089 } 10090 String packageName = deletedPackage.packageName; 10091 if (packageName == null) { 10092 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10093 "Attempt to delete null packageName."); 10094 return; 10095 } 10096 PackageParser.Package oldPkg; 10097 PackageSetting oldPkgSetting; 10098 // reader 10099 synchronized (mPackages) { 10100 oldPkg = mPackages.get(packageName); 10101 oldPkgSetting = mSettings.mPackages.get(packageName); 10102 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10103 (oldPkgSetting == null)) { 10104 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10105 "Couldn't find package:" + packageName + " information"); 10106 return; 10107 } 10108 } 10109 10110 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10111 10112 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10113 res.removedInfo.removedPackage = packageName; 10114 // Remove existing system package 10115 removePackageLI(oldPkgSetting, true); 10116 // writer 10117 synchronized (mPackages) { 10118 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10119 if (!disabledSystem && deletedPackage != null) { 10120 // We didn't need to disable the .apk as a current system package, 10121 // which means we are replacing another update that is already 10122 // installed. We need to make sure to delete the older one's .apk. 10123 res.removedInfo.args = createInstallArgsForExisting(0, 10124 deletedPackage.applicationInfo.getCodePath(), 10125 deletedPackage.applicationInfo.getResourcePath(), 10126 deletedPackage.applicationInfo.nativeLibraryRootDir, 10127 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10128 } else { 10129 res.removedInfo.args = null; 10130 } 10131 } 10132 10133 // Successfully disabled the old package. Now proceed with re-installation 10134 deleteCodeCacheDirsLI(packageName); 10135 10136 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10137 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10138 10139 PackageParser.Package newPackage = null; 10140 try { 10141 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10142 if (newPackage.mExtras != null) { 10143 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10144 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10145 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10146 10147 // is the update attempting to change shared user? that isn't going to work... 10148 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10149 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10150 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10151 + " to " + newPkgSetting.sharedUser); 10152 updatedSettings = true; 10153 } 10154 } 10155 10156 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10157 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10158 updatedSettings = true; 10159 } 10160 10161 } catch (PackageManagerException e) { 10162 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10163 } 10164 10165 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10166 // Re installation failed. Restore old information 10167 // Remove new pkg information 10168 if (newPackage != null) { 10169 removeInstalledPackageLI(newPackage, true); 10170 } 10171 // Add back the old system package 10172 try { 10173 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10174 } catch (PackageManagerException e) { 10175 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10176 } 10177 // Restore the old system information in Settings 10178 synchronized (mPackages) { 10179 if (disabledSystem) { 10180 mSettings.enableSystemPackageLPw(packageName); 10181 } 10182 if (updatedSettings) { 10183 mSettings.setInstallerPackageName(packageName, 10184 oldPkgSetting.installerPackageName); 10185 } 10186 mSettings.writeLPr(); 10187 } 10188 } 10189 } 10190 10191 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10192 int[] allUsers, boolean[] perUserInstalled, 10193 PackageInstalledInfo res) { 10194 String pkgName = newPackage.packageName; 10195 synchronized (mPackages) { 10196 //write settings. the installStatus will be incomplete at this stage. 10197 //note that the new package setting would have already been 10198 //added to mPackages. It hasn't been persisted yet. 10199 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10200 mSettings.writeLPr(); 10201 } 10202 10203 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10204 10205 synchronized (mPackages) { 10206 updatePermissionsLPw(newPackage.packageName, newPackage, 10207 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10208 ? UPDATE_PERMISSIONS_ALL : 0)); 10209 // For system-bundled packages, we assume that installing an upgraded version 10210 // of the package implies that the user actually wants to run that new code, 10211 // so we enable the package. 10212 if (isSystemApp(newPackage)) { 10213 // NB: implicit assumption that system package upgrades apply to all users 10214 if (DEBUG_INSTALL) { 10215 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10216 } 10217 PackageSetting ps = mSettings.mPackages.get(pkgName); 10218 if (ps != null) { 10219 if (res.origUsers != null) { 10220 for (int userHandle : res.origUsers) { 10221 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10222 userHandle, installerPackageName); 10223 } 10224 } 10225 // Also convey the prior install/uninstall state 10226 if (allUsers != null && perUserInstalled != null) { 10227 for (int i = 0; i < allUsers.length; i++) { 10228 if (DEBUG_INSTALL) { 10229 Slog.d(TAG, " user " + allUsers[i] 10230 + " => " + perUserInstalled[i]); 10231 } 10232 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10233 } 10234 // these install state changes will be persisted in the 10235 // upcoming call to mSettings.writeLPr(). 10236 } 10237 } 10238 } 10239 res.name = pkgName; 10240 res.uid = newPackage.applicationInfo.uid; 10241 res.pkg = newPackage; 10242 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10243 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10244 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10245 //to update install status 10246 mSettings.writeLPr(); 10247 } 10248 } 10249 10250 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10251 final int installFlags = args.installFlags; 10252 String installerPackageName = args.installerPackageName; 10253 File tmpPackageFile = new File(args.getCodePath()); 10254 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10255 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10256 boolean replace = false; 10257 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10258 // Result object to be returned 10259 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10260 10261 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10262 // Retrieve PackageSettings and parse package 10263 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10264 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10265 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10266 PackageParser pp = new PackageParser(); 10267 pp.setSeparateProcesses(mSeparateProcesses); 10268 pp.setDisplayMetrics(mMetrics); 10269 10270 final PackageParser.Package pkg; 10271 try { 10272 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10273 } catch (PackageParserException e) { 10274 res.setError("Failed parse during installPackageLI", e); 10275 return; 10276 } 10277 10278 // Mark that we have an install time CPU ABI override. 10279 pkg.cpuAbiOverride = args.abiOverride; 10280 10281 String pkgName = res.name = pkg.packageName; 10282 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10283 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10284 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10285 return; 10286 } 10287 } 10288 10289 try { 10290 pp.collectCertificates(pkg, parseFlags); 10291 pp.collectManifestDigest(pkg); 10292 } catch (PackageParserException e) { 10293 res.setError("Failed collect during installPackageLI", e); 10294 return; 10295 } 10296 10297 /* If the installer passed in a manifest digest, compare it now. */ 10298 if (args.manifestDigest != null) { 10299 if (DEBUG_INSTALL) { 10300 final String parsedManifest = pkg.manifestDigest == null ? "null" 10301 : pkg.manifestDigest.toString(); 10302 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10303 + parsedManifest); 10304 } 10305 10306 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10307 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10308 return; 10309 } 10310 } else if (DEBUG_INSTALL) { 10311 final String parsedManifest = pkg.manifestDigest == null 10312 ? "null" : pkg.manifestDigest.toString(); 10313 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10314 } 10315 10316 // Get rid of all references to package scan path via parser. 10317 pp = null; 10318 String oldCodePath = null; 10319 boolean systemApp = false; 10320 synchronized (mPackages) { 10321 // Check if installing already existing package 10322 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10323 String oldName = mSettings.mRenamedPackages.get(pkgName); 10324 if (pkg.mOriginalPackages != null 10325 && pkg.mOriginalPackages.contains(oldName) 10326 && mPackages.containsKey(oldName)) { 10327 // This package is derived from an original package, 10328 // and this device has been updating from that original 10329 // name. We must continue using the original name, so 10330 // rename the new package here. 10331 pkg.setPackageName(oldName); 10332 pkgName = pkg.packageName; 10333 replace = true; 10334 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10335 + oldName + " pkgName=" + pkgName); 10336 } else if (mPackages.containsKey(pkgName)) { 10337 // This package, under its official name, already exists 10338 // on the device; we should replace it. 10339 replace = true; 10340 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10341 } 10342 } 10343 10344 PackageSetting ps = mSettings.mPackages.get(pkgName); 10345 if (ps != null) { 10346 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10347 10348 // Quick sanity check that we're signed correctly if updating; 10349 // we'll check this again later when scanning, but we want to 10350 // bail early here before tripping over redefined permissions. 10351 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10352 try { 10353 verifySignaturesLP(ps, pkg); 10354 } catch (PackageManagerException e) { 10355 res.setError(e.error, e.getMessage()); 10356 return; 10357 } 10358 } else { 10359 if (!checkUpgradeKeySetLP(ps, pkg)) { 10360 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10361 + pkg.packageName + " upgrade keys do not match the " 10362 + "previously installed version"); 10363 return; 10364 } 10365 } 10366 10367 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10368 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10369 systemApp = (ps.pkg.applicationInfo.flags & 10370 ApplicationInfo.FLAG_SYSTEM) != 0; 10371 } 10372 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10373 } 10374 10375 // Check whether the newly-scanned package wants to define an already-defined perm 10376 int N = pkg.permissions.size(); 10377 for (int i = N-1; i >= 0; i--) { 10378 PackageParser.Permission perm = pkg.permissions.get(i); 10379 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10380 if (bp != null) { 10381 // If the defining package is signed with our cert, it's okay. This 10382 // also includes the "updating the same package" case, of course. 10383 // "updating same package" could also involve key-rotation. 10384 final boolean sigsOk; 10385 if (!bp.sourcePackage.equals(pkg.packageName) 10386 || !(bp.packageSetting instanceof PackageSetting) 10387 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10388 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10389 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10390 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10391 } else { 10392 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10393 } 10394 if (!sigsOk) { 10395 // If the owning package is the system itself, we log but allow 10396 // install to proceed; we fail the install on all other permission 10397 // redefinitions. 10398 if (!bp.sourcePackage.equals("android")) { 10399 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10400 + pkg.packageName + " attempting to redeclare permission " 10401 + perm.info.name + " already owned by " + bp.sourcePackage); 10402 res.origPermission = perm.info.name; 10403 res.origPackage = bp.sourcePackage; 10404 return; 10405 } else { 10406 Slog.w(TAG, "Package " + pkg.packageName 10407 + " attempting to redeclare system permission " 10408 + perm.info.name + "; ignoring new declaration"); 10409 pkg.permissions.remove(i); 10410 } 10411 } 10412 } 10413 } 10414 10415 } 10416 10417 if (systemApp && onSd) { 10418 // Disable updates to system apps on sdcard 10419 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10420 "Cannot install updates to system apps on sdcard"); 10421 return; 10422 } 10423 10424 // Run dexopt before old package gets removed, to minimize time when app is not available 10425 int result = mPackageDexOptimizer 10426 .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */, 10427 false /* defer */, false /* inclDependencies */); 10428 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 10429 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 10430 return; 10431 } 10432 10433 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10434 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10435 return; 10436 } 10437 10438 if (replace) { 10439 // Call replacePackageLI with SCAN_NO_DEX, since we already made dexopt 10440 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING | SCAN_NO_DEX, args.user, 10441 installerPackageName, res); 10442 } else { 10443 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10444 args.user, installerPackageName, res); 10445 } 10446 synchronized (mPackages) { 10447 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10448 if (ps != null) { 10449 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10450 } 10451 } 10452 } 10453 10454 private static boolean isMultiArch(PackageSetting ps) { 10455 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10456 } 10457 10458 private static boolean isMultiArch(ApplicationInfo info) { 10459 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10460 } 10461 10462 private static boolean isExternal(PackageParser.Package pkg) { 10463 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10464 } 10465 10466 private static boolean isExternal(PackageSetting ps) { 10467 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10468 } 10469 10470 private static boolean isExternal(ApplicationInfo info) { 10471 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10472 } 10473 10474 private static boolean isSystemApp(PackageParser.Package pkg) { 10475 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10476 } 10477 10478 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10479 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10480 } 10481 10482 private static boolean isSystemApp(PackageSetting ps) { 10483 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10484 } 10485 10486 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10487 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10488 } 10489 10490 private int packageFlagsToInstallFlags(PackageSetting ps) { 10491 int installFlags = 0; 10492 if (isExternal(ps)) { 10493 installFlags |= PackageManager.INSTALL_EXTERNAL; 10494 } 10495 if (ps.isForwardLocked()) { 10496 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10497 } 10498 return installFlags; 10499 } 10500 10501 private void deleteTempPackageFiles() { 10502 final FilenameFilter filter = new FilenameFilter() { 10503 public boolean accept(File dir, String name) { 10504 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10505 } 10506 }; 10507 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10508 file.delete(); 10509 } 10510 } 10511 10512 @Override 10513 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10514 int flags) { 10515 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10516 flags); 10517 } 10518 10519 @Override 10520 public void deletePackage(final String packageName, 10521 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10522 mContext.enforceCallingOrSelfPermission( 10523 android.Manifest.permission.DELETE_PACKAGES, null); 10524 final int uid = Binder.getCallingUid(); 10525 if (UserHandle.getUserId(uid) != userId) { 10526 mContext.enforceCallingPermission( 10527 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10528 "deletePackage for user " + userId); 10529 } 10530 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10531 try { 10532 observer.onPackageDeleted(packageName, 10533 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10534 } catch (RemoteException re) { 10535 } 10536 return; 10537 } 10538 10539 boolean uninstallBlocked = false; 10540 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10541 int[] users = sUserManager.getUserIds(); 10542 for (int i = 0; i < users.length; ++i) { 10543 if (getBlockUninstallForUser(packageName, users[i])) { 10544 uninstallBlocked = true; 10545 break; 10546 } 10547 } 10548 } else { 10549 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10550 } 10551 if (uninstallBlocked) { 10552 try { 10553 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10554 null); 10555 } catch (RemoteException re) { 10556 } 10557 return; 10558 } 10559 10560 if (DEBUG_REMOVE) { 10561 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10562 } 10563 // Queue up an async operation since the package deletion may take a little while. 10564 mHandler.post(new Runnable() { 10565 public void run() { 10566 mHandler.removeCallbacks(this); 10567 final int returnCode = deletePackageX(packageName, userId, flags); 10568 if (observer != null) { 10569 try { 10570 observer.onPackageDeleted(packageName, returnCode, null); 10571 } catch (RemoteException e) { 10572 Log.i(TAG, "Observer no longer exists."); 10573 } //end catch 10574 } //end if 10575 } //end run 10576 }); 10577 } 10578 10579 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10580 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10581 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10582 try { 10583 if (dpm != null) { 10584 if (dpm.isDeviceOwner(packageName)) { 10585 return true; 10586 } 10587 int[] users; 10588 if (userId == UserHandle.USER_ALL) { 10589 users = sUserManager.getUserIds(); 10590 } else { 10591 users = new int[]{userId}; 10592 } 10593 for (int i = 0; i < users.length; ++i) { 10594 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10595 return true; 10596 } 10597 } 10598 } 10599 } catch (RemoteException e) { 10600 } 10601 return false; 10602 } 10603 10604 /** 10605 * This method is an internal method that could be get invoked either 10606 * to delete an installed package or to clean up a failed installation. 10607 * After deleting an installed package, a broadcast is sent to notify any 10608 * listeners that the package has been installed. For cleaning up a failed 10609 * installation, the broadcast is not necessary since the package's 10610 * installation wouldn't have sent the initial broadcast either 10611 * The key steps in deleting a package are 10612 * deleting the package information in internal structures like mPackages, 10613 * deleting the packages base directories through installd 10614 * updating mSettings to reflect current status 10615 * persisting settings for later use 10616 * sending a broadcast if necessary 10617 */ 10618 private int deletePackageX(String packageName, int userId, int flags) { 10619 final PackageRemovedInfo info = new PackageRemovedInfo(); 10620 final boolean res; 10621 10622 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10623 ? UserHandle.ALL : new UserHandle(userId); 10624 10625 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10626 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10627 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10628 } 10629 10630 boolean removedForAllUsers = false; 10631 boolean systemUpdate = false; 10632 10633 // for the uninstall-updates case and restricted profiles, remember the per- 10634 // userhandle installed state 10635 int[] allUsers; 10636 boolean[] perUserInstalled; 10637 synchronized (mPackages) { 10638 PackageSetting ps = mSettings.mPackages.get(packageName); 10639 allUsers = sUserManager.getUserIds(); 10640 perUserInstalled = new boolean[allUsers.length]; 10641 for (int i = 0; i < allUsers.length; i++) { 10642 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10643 } 10644 } 10645 10646 synchronized (mInstallLock) { 10647 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10648 res = deletePackageLI(packageName, removeForUser, 10649 true, allUsers, perUserInstalled, 10650 flags | REMOVE_CHATTY, info, true); 10651 systemUpdate = info.isRemovedPackageSystemUpdate; 10652 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10653 removedForAllUsers = true; 10654 } 10655 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10656 + " removedForAllUsers=" + removedForAllUsers); 10657 } 10658 10659 if (res) { 10660 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10661 10662 // If the removed package was a system update, the old system package 10663 // was re-enabled; we need to broadcast this information 10664 if (systemUpdate) { 10665 Bundle extras = new Bundle(1); 10666 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10667 ? info.removedAppId : info.uid); 10668 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10669 10670 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10671 extras, null, null, null); 10672 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10673 extras, null, null, null); 10674 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10675 null, packageName, null, null); 10676 } 10677 } 10678 // Force a gc here. 10679 Runtime.getRuntime().gc(); 10680 // Delete the resources here after sending the broadcast to let 10681 // other processes clean up before deleting resources. 10682 if (info.args != null) { 10683 synchronized (mInstallLock) { 10684 info.args.doPostDeleteLI(true); 10685 } 10686 } 10687 10688 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10689 } 10690 10691 static class PackageRemovedInfo { 10692 String removedPackage; 10693 int uid = -1; 10694 int removedAppId = -1; 10695 int[] removedUsers = null; 10696 boolean isRemovedPackageSystemUpdate = false; 10697 // Clean up resources deleted packages. 10698 InstallArgs args = null; 10699 10700 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10701 Bundle extras = new Bundle(1); 10702 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10703 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10704 if (replacing) { 10705 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10706 } 10707 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10708 if (removedPackage != null) { 10709 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10710 extras, null, null, removedUsers); 10711 if (fullRemove && !replacing) { 10712 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10713 extras, null, null, removedUsers); 10714 } 10715 } 10716 if (removedAppId >= 0) { 10717 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10718 removedUsers); 10719 } 10720 } 10721 } 10722 10723 /* 10724 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10725 * flag is not set, the data directory is removed as well. 10726 * make sure this flag is set for partially installed apps. If not its meaningless to 10727 * delete a partially installed application. 10728 */ 10729 private void removePackageDataLI(PackageSetting ps, 10730 int[] allUserHandles, boolean[] perUserInstalled, 10731 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10732 String packageName = ps.name; 10733 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10734 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10735 // Retrieve object to delete permissions for shared user later on 10736 final PackageSetting deletedPs; 10737 // reader 10738 synchronized (mPackages) { 10739 deletedPs = mSettings.mPackages.get(packageName); 10740 if (outInfo != null) { 10741 outInfo.removedPackage = packageName; 10742 outInfo.removedUsers = deletedPs != null 10743 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10744 : null; 10745 } 10746 } 10747 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10748 removeDataDirsLI(packageName); 10749 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10750 } 10751 // writer 10752 synchronized (mPackages) { 10753 if (deletedPs != null) { 10754 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10755 if (outInfo != null) { 10756 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10757 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10758 } 10759 if (deletedPs != null) { 10760 updatePermissionsLPw(deletedPs.name, null, 0); 10761 if (deletedPs.sharedUser != null) { 10762 // remove permissions associated with package 10763 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10764 } 10765 } 10766 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10767 } 10768 // make sure to preserve per-user disabled state if this removal was just 10769 // a downgrade of a system app to the factory package 10770 if (allUserHandles != null && perUserInstalled != null) { 10771 if (DEBUG_REMOVE) { 10772 Slog.d(TAG, "Propagating install state across downgrade"); 10773 } 10774 for (int i = 0; i < allUserHandles.length; i++) { 10775 if (DEBUG_REMOVE) { 10776 Slog.d(TAG, " user " + allUserHandles[i] 10777 + " => " + perUserInstalled[i]); 10778 } 10779 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10780 } 10781 } 10782 } 10783 // can downgrade to reader 10784 if (writeSettings) { 10785 // Save settings now 10786 mSettings.writeLPr(); 10787 } 10788 } 10789 if (outInfo != null) { 10790 // A user ID was deleted here. Go through all users and remove it 10791 // from KeyStore. 10792 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10793 } 10794 } 10795 10796 static boolean locationIsPrivileged(File path) { 10797 try { 10798 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10799 .getCanonicalPath(); 10800 return path.getCanonicalPath().startsWith(privilegedAppDir); 10801 } catch (IOException e) { 10802 Slog.e(TAG, "Unable to access code path " + path); 10803 } 10804 return false; 10805 } 10806 10807 /* 10808 * Tries to delete system package. 10809 */ 10810 private boolean deleteSystemPackageLI(PackageSetting newPs, 10811 int[] allUserHandles, boolean[] perUserInstalled, 10812 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10813 final boolean applyUserRestrictions 10814 = (allUserHandles != null) && (perUserInstalled != null); 10815 PackageSetting disabledPs = null; 10816 // Confirm if the system package has been updated 10817 // An updated system app can be deleted. This will also have to restore 10818 // the system pkg from system partition 10819 // reader 10820 synchronized (mPackages) { 10821 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10822 } 10823 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10824 + " disabledPs=" + disabledPs); 10825 if (disabledPs == null) { 10826 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10827 return false; 10828 } else if (DEBUG_REMOVE) { 10829 Slog.d(TAG, "Deleting system pkg from data partition"); 10830 } 10831 if (DEBUG_REMOVE) { 10832 if (applyUserRestrictions) { 10833 Slog.d(TAG, "Remembering install states:"); 10834 for (int i = 0; i < allUserHandles.length; i++) { 10835 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10836 } 10837 } 10838 } 10839 // Delete the updated package 10840 outInfo.isRemovedPackageSystemUpdate = true; 10841 if (disabledPs.versionCode < newPs.versionCode) { 10842 // Delete data for downgrades 10843 flags &= ~PackageManager.DELETE_KEEP_DATA; 10844 } else { 10845 // Preserve data by setting flag 10846 flags |= PackageManager.DELETE_KEEP_DATA; 10847 } 10848 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10849 allUserHandles, perUserInstalled, outInfo, writeSettings); 10850 if (!ret) { 10851 return false; 10852 } 10853 // writer 10854 synchronized (mPackages) { 10855 // Reinstate the old system package 10856 mSettings.enableSystemPackageLPw(newPs.name); 10857 // Remove any native libraries from the upgraded package. 10858 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10859 } 10860 // Install the system package 10861 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10862 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10863 if (locationIsPrivileged(disabledPs.codePath)) { 10864 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10865 } 10866 10867 final PackageParser.Package newPkg; 10868 try { 10869 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10870 } catch (PackageManagerException e) { 10871 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10872 return false; 10873 } 10874 10875 // writer 10876 synchronized (mPackages) { 10877 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10878 updatePermissionsLPw(newPkg.packageName, newPkg, 10879 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10880 if (applyUserRestrictions) { 10881 if (DEBUG_REMOVE) { 10882 Slog.d(TAG, "Propagating install state across reinstall"); 10883 } 10884 for (int i = 0; i < allUserHandles.length; i++) { 10885 if (DEBUG_REMOVE) { 10886 Slog.d(TAG, " user " + allUserHandles[i] 10887 + " => " + perUserInstalled[i]); 10888 } 10889 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10890 } 10891 // Regardless of writeSettings we need to ensure that this restriction 10892 // state propagation is persisted 10893 mSettings.writeAllUsersPackageRestrictionsLPr(); 10894 } 10895 // can downgrade to reader here 10896 if (writeSettings) { 10897 mSettings.writeLPr(); 10898 } 10899 } 10900 return true; 10901 } 10902 10903 private boolean deleteInstalledPackageLI(PackageSetting ps, 10904 boolean deleteCodeAndResources, int flags, 10905 int[] allUserHandles, boolean[] perUserInstalled, 10906 PackageRemovedInfo outInfo, boolean writeSettings) { 10907 if (outInfo != null) { 10908 outInfo.uid = ps.appId; 10909 } 10910 10911 // Delete package data from internal structures and also remove data if flag is set 10912 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10913 10914 // Delete application code and resources 10915 if (deleteCodeAndResources && (outInfo != null)) { 10916 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10917 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10918 getAppDexInstructionSets(ps)); 10919 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10920 } 10921 return true; 10922 } 10923 10924 @Override 10925 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10926 int userId) { 10927 mContext.enforceCallingOrSelfPermission( 10928 android.Manifest.permission.DELETE_PACKAGES, null); 10929 synchronized (mPackages) { 10930 PackageSetting ps = mSettings.mPackages.get(packageName); 10931 if (ps == null) { 10932 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10933 return false; 10934 } 10935 if (!ps.getInstalled(userId)) { 10936 // Can't block uninstall for an app that is not installed or enabled. 10937 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10938 return false; 10939 } 10940 ps.setBlockUninstall(blockUninstall, userId); 10941 mSettings.writePackageRestrictionsLPr(userId); 10942 } 10943 return true; 10944 } 10945 10946 @Override 10947 public boolean getBlockUninstallForUser(String packageName, int userId) { 10948 synchronized (mPackages) { 10949 PackageSetting ps = mSettings.mPackages.get(packageName); 10950 if (ps == null) { 10951 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10952 return false; 10953 } 10954 return ps.getBlockUninstall(userId); 10955 } 10956 } 10957 10958 /* 10959 * This method handles package deletion in general 10960 */ 10961 private boolean deletePackageLI(String packageName, UserHandle user, 10962 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10963 int flags, PackageRemovedInfo outInfo, 10964 boolean writeSettings) { 10965 if (packageName == null) { 10966 Slog.w(TAG, "Attempt to delete null packageName."); 10967 return false; 10968 } 10969 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10970 PackageSetting ps; 10971 boolean dataOnly = false; 10972 int removeUser = -1; 10973 int appId = -1; 10974 synchronized (mPackages) { 10975 ps = mSettings.mPackages.get(packageName); 10976 if (ps == null) { 10977 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10978 return false; 10979 } 10980 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10981 && user.getIdentifier() != UserHandle.USER_ALL) { 10982 // The caller is asking that the package only be deleted for a single 10983 // user. To do this, we just mark its uninstalled state and delete 10984 // its data. If this is a system app, we only allow this to happen if 10985 // they have set the special DELETE_SYSTEM_APP which requests different 10986 // semantics than normal for uninstalling system apps. 10987 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10988 ps.setUserState(user.getIdentifier(), 10989 COMPONENT_ENABLED_STATE_DEFAULT, 10990 false, //installed 10991 true, //stopped 10992 true, //notLaunched 10993 false, //hidden 10994 null, null, null, 10995 false // blockUninstall 10996 ); 10997 if (!isSystemApp(ps)) { 10998 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10999 // Other user still have this package installed, so all 11000 // we need to do is clear this user's data and save that 11001 // it is uninstalled. 11002 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11003 removeUser = user.getIdentifier(); 11004 appId = ps.appId; 11005 mSettings.writePackageRestrictionsLPr(removeUser); 11006 } else { 11007 // We need to set it back to 'installed' so the uninstall 11008 // broadcasts will be sent correctly. 11009 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11010 ps.setInstalled(true, user.getIdentifier()); 11011 } 11012 } else { 11013 // This is a system app, so we assume that the 11014 // other users still have this package installed, so all 11015 // we need to do is clear this user's data and save that 11016 // it is uninstalled. 11017 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11018 removeUser = user.getIdentifier(); 11019 appId = ps.appId; 11020 mSettings.writePackageRestrictionsLPr(removeUser); 11021 } 11022 } 11023 } 11024 11025 if (removeUser >= 0) { 11026 // From above, we determined that we are deleting this only 11027 // for a single user. Continue the work here. 11028 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11029 if (outInfo != null) { 11030 outInfo.removedPackage = packageName; 11031 outInfo.removedAppId = appId; 11032 outInfo.removedUsers = new int[] {removeUser}; 11033 } 11034 mInstaller.clearUserData(packageName, removeUser); 11035 removeKeystoreDataIfNeeded(removeUser, appId); 11036 schedulePackageCleaning(packageName, removeUser, false); 11037 return true; 11038 } 11039 11040 if (dataOnly) { 11041 // Delete application data first 11042 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11043 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11044 return true; 11045 } 11046 11047 boolean ret = false; 11048 if (isSystemApp(ps)) { 11049 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11050 // When an updated system application is deleted we delete the existing resources as well and 11051 // fall back to existing code in system partition 11052 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11053 flags, outInfo, writeSettings); 11054 } else { 11055 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11056 // Kill application pre-emptively especially for apps on sd. 11057 killApplication(packageName, ps.appId, "uninstall pkg"); 11058 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11059 allUserHandles, perUserInstalled, 11060 outInfo, writeSettings); 11061 } 11062 11063 return ret; 11064 } 11065 11066 private final class ClearStorageConnection implements ServiceConnection { 11067 IMediaContainerService mContainerService; 11068 11069 @Override 11070 public void onServiceConnected(ComponentName name, IBinder service) { 11071 synchronized (this) { 11072 mContainerService = IMediaContainerService.Stub.asInterface(service); 11073 notifyAll(); 11074 } 11075 } 11076 11077 @Override 11078 public void onServiceDisconnected(ComponentName name) { 11079 } 11080 } 11081 11082 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11083 final boolean mounted; 11084 if (Environment.isExternalStorageEmulated()) { 11085 mounted = true; 11086 } else { 11087 final String status = Environment.getExternalStorageState(); 11088 11089 mounted = status.equals(Environment.MEDIA_MOUNTED) 11090 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11091 } 11092 11093 if (!mounted) { 11094 return; 11095 } 11096 11097 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11098 int[] users; 11099 if (userId == UserHandle.USER_ALL) { 11100 users = sUserManager.getUserIds(); 11101 } else { 11102 users = new int[] { userId }; 11103 } 11104 final ClearStorageConnection conn = new ClearStorageConnection(); 11105 if (mContext.bindServiceAsUser( 11106 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11107 try { 11108 for (int curUser : users) { 11109 long timeout = SystemClock.uptimeMillis() + 5000; 11110 synchronized (conn) { 11111 long now = SystemClock.uptimeMillis(); 11112 while (conn.mContainerService == null && now < timeout) { 11113 try { 11114 conn.wait(timeout - now); 11115 } catch (InterruptedException e) { 11116 } 11117 } 11118 } 11119 if (conn.mContainerService == null) { 11120 return; 11121 } 11122 11123 final UserEnvironment userEnv = new UserEnvironment(curUser); 11124 clearDirectory(conn.mContainerService, 11125 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11126 if (allData) { 11127 clearDirectory(conn.mContainerService, 11128 userEnv.buildExternalStorageAppDataDirs(packageName)); 11129 clearDirectory(conn.mContainerService, 11130 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11131 } 11132 } 11133 } finally { 11134 mContext.unbindService(conn); 11135 } 11136 } 11137 } 11138 11139 @Override 11140 public void clearApplicationUserData(final String packageName, 11141 final IPackageDataObserver observer, final int userId) { 11142 mContext.enforceCallingOrSelfPermission( 11143 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11144 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11145 // Queue up an async operation since the package deletion may take a little while. 11146 mHandler.post(new Runnable() { 11147 public void run() { 11148 mHandler.removeCallbacks(this); 11149 final boolean succeeded; 11150 synchronized (mInstallLock) { 11151 succeeded = clearApplicationUserDataLI(packageName, userId); 11152 } 11153 clearExternalStorageDataSync(packageName, userId, true); 11154 if (succeeded) { 11155 // invoke DeviceStorageMonitor's update method to clear any notifications 11156 DeviceStorageMonitorInternal 11157 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11158 if (dsm != null) { 11159 dsm.checkMemory(); 11160 } 11161 } 11162 if(observer != null) { 11163 try { 11164 observer.onRemoveCompleted(packageName, succeeded); 11165 } catch (RemoteException e) { 11166 Log.i(TAG, "Observer no longer exists."); 11167 } 11168 } //end if observer 11169 } //end run 11170 }); 11171 } 11172 11173 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11174 if (packageName == null) { 11175 Slog.w(TAG, "Attempt to delete null packageName."); 11176 return false; 11177 } 11178 11179 // Try finding details about the requested package 11180 PackageParser.Package pkg; 11181 synchronized (mPackages) { 11182 pkg = mPackages.get(packageName); 11183 if (pkg == null) { 11184 final PackageSetting ps = mSettings.mPackages.get(packageName); 11185 if (ps != null) { 11186 pkg = ps.pkg; 11187 } 11188 } 11189 } 11190 11191 if (pkg == null) { 11192 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11193 } 11194 11195 // Always delete data directories for package, even if we found no other 11196 // record of app. This helps users recover from UID mismatches without 11197 // resorting to a full data wipe. 11198 int retCode = mInstaller.clearUserData(packageName, userId); 11199 if (retCode < 0) { 11200 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11201 return false; 11202 } 11203 11204 if (pkg == null) { 11205 return false; 11206 } 11207 11208 if (pkg != null && pkg.applicationInfo != null) { 11209 final int appId = pkg.applicationInfo.uid; 11210 removeKeystoreDataIfNeeded(userId, appId); 11211 } 11212 11213 // Create a native library symlink only if we have native libraries 11214 // and if the native libraries are 32 bit libraries. We do not provide 11215 // this symlink for 64 bit libraries. 11216 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11217 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11218 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11219 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11220 Slog.w(TAG, "Failed linking native library dir"); 11221 return false; 11222 } 11223 } 11224 11225 return true; 11226 } 11227 11228 /** 11229 * Remove entries from the keystore daemon. Will only remove it if the 11230 * {@code appId} is valid. 11231 */ 11232 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11233 if (appId < 0) { 11234 return; 11235 } 11236 11237 final KeyStore keyStore = KeyStore.getInstance(); 11238 if (keyStore != null) { 11239 if (userId == UserHandle.USER_ALL) { 11240 for (final int individual : sUserManager.getUserIds()) { 11241 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11242 } 11243 } else { 11244 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11245 } 11246 } else { 11247 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11248 } 11249 } 11250 11251 @Override 11252 public void deleteApplicationCacheFiles(final String packageName, 11253 final IPackageDataObserver observer) { 11254 mContext.enforceCallingOrSelfPermission( 11255 android.Manifest.permission.DELETE_CACHE_FILES, null); 11256 // Queue up an async operation since the package deletion may take a little while. 11257 final int userId = UserHandle.getCallingUserId(); 11258 mHandler.post(new Runnable() { 11259 public void run() { 11260 mHandler.removeCallbacks(this); 11261 final boolean succeded; 11262 synchronized (mInstallLock) { 11263 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11264 } 11265 clearExternalStorageDataSync(packageName, userId, false); 11266 if(observer != null) { 11267 try { 11268 observer.onRemoveCompleted(packageName, succeded); 11269 } catch (RemoteException e) { 11270 Log.i(TAG, "Observer no longer exists."); 11271 } 11272 } //end if observer 11273 } //end run 11274 }); 11275 } 11276 11277 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11278 if (packageName == null) { 11279 Slog.w(TAG, "Attempt to delete null packageName."); 11280 return false; 11281 } 11282 PackageParser.Package p; 11283 synchronized (mPackages) { 11284 p = mPackages.get(packageName); 11285 } 11286 if (p == null) { 11287 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11288 return false; 11289 } 11290 final ApplicationInfo applicationInfo = p.applicationInfo; 11291 if (applicationInfo == null) { 11292 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11293 return false; 11294 } 11295 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11296 if (retCode < 0) { 11297 Slog.w(TAG, "Couldn't remove cache files for package: " 11298 + packageName + " u" + userId); 11299 return false; 11300 } 11301 return true; 11302 } 11303 11304 @Override 11305 public void getPackageSizeInfo(final String packageName, int userHandle, 11306 final IPackageStatsObserver observer) { 11307 mContext.enforceCallingOrSelfPermission( 11308 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11309 if (packageName == null) { 11310 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11311 } 11312 11313 PackageStats stats = new PackageStats(packageName, userHandle); 11314 11315 /* 11316 * Queue up an async operation since the package measurement may take a 11317 * little while. 11318 */ 11319 Message msg = mHandler.obtainMessage(INIT_COPY); 11320 msg.obj = new MeasureParams(stats, observer); 11321 mHandler.sendMessage(msg); 11322 } 11323 11324 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11325 PackageStats pStats) { 11326 if (packageName == null) { 11327 Slog.w(TAG, "Attempt to get size of null packageName."); 11328 return false; 11329 } 11330 PackageParser.Package p; 11331 boolean dataOnly = false; 11332 String libDirRoot = null; 11333 String asecPath = null; 11334 PackageSetting ps = null; 11335 synchronized (mPackages) { 11336 p = mPackages.get(packageName); 11337 ps = mSettings.mPackages.get(packageName); 11338 if(p == null) { 11339 dataOnly = true; 11340 if((ps == null) || (ps.pkg == null)) { 11341 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11342 return false; 11343 } 11344 p = ps.pkg; 11345 } 11346 if (ps != null) { 11347 libDirRoot = ps.legacyNativeLibraryPathString; 11348 } 11349 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11350 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11351 if (secureContainerId != null) { 11352 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11353 } 11354 } 11355 } 11356 String publicSrcDir = null; 11357 if(!dataOnly) { 11358 final ApplicationInfo applicationInfo = p.applicationInfo; 11359 if (applicationInfo == null) { 11360 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11361 return false; 11362 } 11363 if (p.isForwardLocked()) { 11364 publicSrcDir = applicationInfo.getBaseResourcePath(); 11365 } 11366 } 11367 // TODO: extend to measure size of split APKs 11368 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11369 // not just the first level. 11370 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11371 // just the primary. 11372 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11373 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11374 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11375 if (res < 0) { 11376 return false; 11377 } 11378 11379 // Fix-up for forward-locked applications in ASEC containers. 11380 if (!isExternal(p)) { 11381 pStats.codeSize += pStats.externalCodeSize; 11382 pStats.externalCodeSize = 0L; 11383 } 11384 11385 return true; 11386 } 11387 11388 11389 @Override 11390 public void addPackageToPreferred(String packageName) { 11391 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11392 } 11393 11394 @Override 11395 public void removePackageFromPreferred(String packageName) { 11396 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11397 } 11398 11399 @Override 11400 public List<PackageInfo> getPreferredPackages(int flags) { 11401 return new ArrayList<PackageInfo>(); 11402 } 11403 11404 private int getUidTargetSdkVersionLockedLPr(int uid) { 11405 Object obj = mSettings.getUserIdLPr(uid); 11406 if (obj instanceof SharedUserSetting) { 11407 final SharedUserSetting sus = (SharedUserSetting) obj; 11408 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11409 final Iterator<PackageSetting> it = sus.packages.iterator(); 11410 while (it.hasNext()) { 11411 final PackageSetting ps = it.next(); 11412 if (ps.pkg != null) { 11413 int v = ps.pkg.applicationInfo.targetSdkVersion; 11414 if (v < vers) vers = v; 11415 } 11416 } 11417 return vers; 11418 } else if (obj instanceof PackageSetting) { 11419 final PackageSetting ps = (PackageSetting) obj; 11420 if (ps.pkg != null) { 11421 return ps.pkg.applicationInfo.targetSdkVersion; 11422 } 11423 } 11424 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11425 } 11426 11427 @Override 11428 public void addPreferredActivity(IntentFilter filter, int match, 11429 ComponentName[] set, ComponentName activity, int userId) { 11430 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11431 "Adding preferred"); 11432 } 11433 11434 private void addPreferredActivityInternal(IntentFilter filter, int match, 11435 ComponentName[] set, ComponentName activity, boolean always, int userId, 11436 String opname) { 11437 // writer 11438 int callingUid = Binder.getCallingUid(); 11439 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11440 if (filter.countActions() == 0) { 11441 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11442 return; 11443 } 11444 synchronized (mPackages) { 11445 if (mContext.checkCallingOrSelfPermission( 11446 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11447 != PackageManager.PERMISSION_GRANTED) { 11448 if (getUidTargetSdkVersionLockedLPr(callingUid) 11449 < Build.VERSION_CODES.FROYO) { 11450 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11451 + callingUid); 11452 return; 11453 } 11454 mContext.enforceCallingOrSelfPermission( 11455 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11456 } 11457 11458 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11459 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11460 + userId + ":"); 11461 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11462 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11463 scheduleWritePackageRestrictionsLocked(userId); 11464 } 11465 } 11466 11467 @Override 11468 public void replacePreferredActivity(IntentFilter filter, int match, 11469 ComponentName[] set, ComponentName activity, int userId) { 11470 if (filter.countActions() != 1) { 11471 throw new IllegalArgumentException( 11472 "replacePreferredActivity expects filter to have only 1 action."); 11473 } 11474 if (filter.countDataAuthorities() != 0 11475 || filter.countDataPaths() != 0 11476 || filter.countDataSchemes() > 1 11477 || filter.countDataTypes() != 0) { 11478 throw new IllegalArgumentException( 11479 "replacePreferredActivity expects filter to have no data authorities, " + 11480 "paths, or types; and at most one scheme."); 11481 } 11482 11483 final int callingUid = Binder.getCallingUid(); 11484 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11485 synchronized (mPackages) { 11486 if (mContext.checkCallingOrSelfPermission( 11487 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11488 != PackageManager.PERMISSION_GRANTED) { 11489 if (getUidTargetSdkVersionLockedLPr(callingUid) 11490 < Build.VERSION_CODES.FROYO) { 11491 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11492 + Binder.getCallingUid()); 11493 return; 11494 } 11495 mContext.enforceCallingOrSelfPermission( 11496 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11497 } 11498 11499 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11500 if (pir != null) { 11501 // Get all of the existing entries that exactly match this filter. 11502 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11503 if (existing != null && existing.size() == 1) { 11504 PreferredActivity cur = existing.get(0); 11505 if (DEBUG_PREFERRED) { 11506 Slog.i(TAG, "Checking replace of preferred:"); 11507 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11508 if (!cur.mPref.mAlways) { 11509 Slog.i(TAG, " -- CUR; not mAlways!"); 11510 } else { 11511 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11512 Slog.i(TAG, " -- CUR: mSet=" 11513 + Arrays.toString(cur.mPref.mSetComponents)); 11514 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11515 Slog.i(TAG, " -- NEW: mMatch=" 11516 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11517 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11518 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11519 } 11520 } 11521 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11522 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11523 && cur.mPref.sameSet(set)) { 11524 // Setting the preferred activity to what it happens to be already 11525 if (DEBUG_PREFERRED) { 11526 Slog.i(TAG, "Replacing with same preferred activity " 11527 + cur.mPref.mShortComponent + " for user " 11528 + userId + ":"); 11529 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11530 } 11531 return; 11532 } 11533 } 11534 11535 if (existing != null) { 11536 if (DEBUG_PREFERRED) { 11537 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11538 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11539 } 11540 for (int i = 0; i < existing.size(); i++) { 11541 PreferredActivity pa = existing.get(i); 11542 if (DEBUG_PREFERRED) { 11543 Slog.i(TAG, "Removing existing preferred activity " 11544 + pa.mPref.mComponent + ":"); 11545 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11546 } 11547 pir.removeFilter(pa); 11548 } 11549 } 11550 } 11551 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11552 "Replacing preferred"); 11553 } 11554 } 11555 11556 @Override 11557 public void clearPackagePreferredActivities(String packageName) { 11558 final int uid = Binder.getCallingUid(); 11559 // writer 11560 synchronized (mPackages) { 11561 PackageParser.Package pkg = mPackages.get(packageName); 11562 if (pkg == null || pkg.applicationInfo.uid != uid) { 11563 if (mContext.checkCallingOrSelfPermission( 11564 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11565 != PackageManager.PERMISSION_GRANTED) { 11566 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11567 < Build.VERSION_CODES.FROYO) { 11568 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11569 + Binder.getCallingUid()); 11570 return; 11571 } 11572 mContext.enforceCallingOrSelfPermission( 11573 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11574 } 11575 } 11576 11577 int user = UserHandle.getCallingUserId(); 11578 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11579 scheduleWritePackageRestrictionsLocked(user); 11580 } 11581 } 11582 } 11583 11584 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11585 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11586 ArrayList<PreferredActivity> removed = null; 11587 boolean changed = false; 11588 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11589 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11590 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11591 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11592 continue; 11593 } 11594 Iterator<PreferredActivity> it = pir.filterIterator(); 11595 while (it.hasNext()) { 11596 PreferredActivity pa = it.next(); 11597 // Mark entry for removal only if it matches the package name 11598 // and the entry is of type "always". 11599 if (packageName == null || 11600 (pa.mPref.mComponent.getPackageName().equals(packageName) 11601 && pa.mPref.mAlways)) { 11602 if (removed == null) { 11603 removed = new ArrayList<PreferredActivity>(); 11604 } 11605 removed.add(pa); 11606 } 11607 } 11608 if (removed != null) { 11609 for (int j=0; j<removed.size(); j++) { 11610 PreferredActivity pa = removed.get(j); 11611 pir.removeFilter(pa); 11612 } 11613 changed = true; 11614 } 11615 } 11616 return changed; 11617 } 11618 11619 @Override 11620 public void resetPreferredActivities(int userId) { 11621 /* TODO: Actually use userId. Why is it being passed in? */ 11622 mContext.enforceCallingOrSelfPermission( 11623 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11624 // writer 11625 synchronized (mPackages) { 11626 int user = UserHandle.getCallingUserId(); 11627 clearPackagePreferredActivitiesLPw(null, user); 11628 mSettings.readDefaultPreferredAppsLPw(this, user); 11629 scheduleWritePackageRestrictionsLocked(user); 11630 } 11631 } 11632 11633 @Override 11634 public int getPreferredActivities(List<IntentFilter> outFilters, 11635 List<ComponentName> outActivities, String packageName) { 11636 11637 int num = 0; 11638 final int userId = UserHandle.getCallingUserId(); 11639 // reader 11640 synchronized (mPackages) { 11641 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11642 if (pir != null) { 11643 final Iterator<PreferredActivity> it = pir.filterIterator(); 11644 while (it.hasNext()) { 11645 final PreferredActivity pa = it.next(); 11646 if (packageName == null 11647 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11648 && pa.mPref.mAlways)) { 11649 if (outFilters != null) { 11650 outFilters.add(new IntentFilter(pa)); 11651 } 11652 if (outActivities != null) { 11653 outActivities.add(pa.mPref.mComponent); 11654 } 11655 } 11656 } 11657 } 11658 } 11659 11660 return num; 11661 } 11662 11663 @Override 11664 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11665 int userId) { 11666 int callingUid = Binder.getCallingUid(); 11667 if (callingUid != Process.SYSTEM_UID) { 11668 throw new SecurityException( 11669 "addPersistentPreferredActivity can only be run by the system"); 11670 } 11671 if (filter.countActions() == 0) { 11672 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11673 return; 11674 } 11675 synchronized (mPackages) { 11676 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11677 " :"); 11678 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11679 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11680 new PersistentPreferredActivity(filter, activity)); 11681 scheduleWritePackageRestrictionsLocked(userId); 11682 } 11683 } 11684 11685 @Override 11686 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11687 int callingUid = Binder.getCallingUid(); 11688 if (callingUid != Process.SYSTEM_UID) { 11689 throw new SecurityException( 11690 "clearPackagePersistentPreferredActivities can only be run by the system"); 11691 } 11692 ArrayList<PersistentPreferredActivity> removed = null; 11693 boolean changed = false; 11694 synchronized (mPackages) { 11695 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11696 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11697 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11698 .valueAt(i); 11699 if (userId != thisUserId) { 11700 continue; 11701 } 11702 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11703 while (it.hasNext()) { 11704 PersistentPreferredActivity ppa = it.next(); 11705 // Mark entry for removal only if it matches the package name. 11706 if (ppa.mComponent.getPackageName().equals(packageName)) { 11707 if (removed == null) { 11708 removed = new ArrayList<PersistentPreferredActivity>(); 11709 } 11710 removed.add(ppa); 11711 } 11712 } 11713 if (removed != null) { 11714 for (int j=0; j<removed.size(); j++) { 11715 PersistentPreferredActivity ppa = removed.get(j); 11716 ppir.removeFilter(ppa); 11717 } 11718 changed = true; 11719 } 11720 } 11721 11722 if (changed) { 11723 scheduleWritePackageRestrictionsLocked(userId); 11724 } 11725 } 11726 } 11727 11728 @Override 11729 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11730 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11731 mContext.enforceCallingOrSelfPermission( 11732 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11733 int callingUid = Binder.getCallingUid(); 11734 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11735 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11736 if (intentFilter.countActions() == 0) { 11737 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11738 return; 11739 } 11740 synchronized (mPackages) { 11741 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11742 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11743 CrossProfileIntentResolver resolver = 11744 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11745 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11746 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11747 if (existing != null) { 11748 int size = existing.size(); 11749 for (int i = 0; i < size; i++) { 11750 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11751 return; 11752 } 11753 } 11754 } 11755 resolver.addFilter(newFilter); 11756 scheduleWritePackageRestrictionsLocked(sourceUserId); 11757 } 11758 } 11759 11760 @Override 11761 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11762 int ownerUserId) { 11763 mContext.enforceCallingOrSelfPermission( 11764 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11765 int callingUid = Binder.getCallingUid(); 11766 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11767 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11768 int callingUserId = UserHandle.getUserId(callingUid); 11769 synchronized (mPackages) { 11770 CrossProfileIntentResolver resolver = 11771 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11772 ArraySet<CrossProfileIntentFilter> set = 11773 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11774 for (CrossProfileIntentFilter filter : set) { 11775 if (filter.getOwnerPackage().equals(ownerPackage) 11776 && filter.getOwnerUserId() == callingUserId) { 11777 resolver.removeFilter(filter); 11778 } 11779 } 11780 scheduleWritePackageRestrictionsLocked(sourceUserId); 11781 } 11782 } 11783 11784 // Enforcing that callingUid is owning pkg on userId 11785 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11786 // The system owns everything. 11787 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11788 return; 11789 } 11790 int callingUserId = UserHandle.getUserId(callingUid); 11791 if (callingUserId != userId) { 11792 throw new SecurityException("calling uid " + callingUid 11793 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11794 + callingUserId); 11795 } 11796 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11797 if (pi == null) { 11798 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11799 + callingUserId); 11800 } 11801 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11802 throw new SecurityException("Calling uid " + callingUid 11803 + " does not own package " + pkg); 11804 } 11805 } 11806 11807 @Override 11808 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11809 Intent intent = new Intent(Intent.ACTION_MAIN); 11810 intent.addCategory(Intent.CATEGORY_HOME); 11811 11812 final int callingUserId = UserHandle.getCallingUserId(); 11813 List<ResolveInfo> list = queryIntentActivities(intent, null, 11814 PackageManager.GET_META_DATA, callingUserId); 11815 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11816 true, false, false, callingUserId); 11817 11818 allHomeCandidates.clear(); 11819 if (list != null) { 11820 for (ResolveInfo ri : list) { 11821 allHomeCandidates.add(ri); 11822 } 11823 } 11824 return (preferred == null || preferred.activityInfo == null) 11825 ? null 11826 : new ComponentName(preferred.activityInfo.packageName, 11827 preferred.activityInfo.name); 11828 } 11829 11830 @Override 11831 public void setApplicationEnabledSetting(String appPackageName, 11832 int newState, int flags, int userId, String callingPackage) { 11833 if (!sUserManager.exists(userId)) return; 11834 if (callingPackage == null) { 11835 callingPackage = Integer.toString(Binder.getCallingUid()); 11836 } 11837 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11838 } 11839 11840 @Override 11841 public void setComponentEnabledSetting(ComponentName componentName, 11842 int newState, int flags, int userId) { 11843 if (!sUserManager.exists(userId)) return; 11844 setEnabledSetting(componentName.getPackageName(), 11845 componentName.getClassName(), newState, flags, userId, null); 11846 } 11847 11848 private void setEnabledSetting(final String packageName, String className, int newState, 11849 final int flags, int userId, String callingPackage) { 11850 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11851 || newState == COMPONENT_ENABLED_STATE_ENABLED 11852 || newState == COMPONENT_ENABLED_STATE_DISABLED 11853 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11854 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11855 throw new IllegalArgumentException("Invalid new component state: " 11856 + newState); 11857 } 11858 PackageSetting pkgSetting; 11859 final int uid = Binder.getCallingUid(); 11860 final int permission = mContext.checkCallingOrSelfPermission( 11861 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11862 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11863 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11864 boolean sendNow = false; 11865 boolean isApp = (className == null); 11866 String componentName = isApp ? packageName : className; 11867 int packageUid = -1; 11868 ArrayList<String> components; 11869 11870 // writer 11871 synchronized (mPackages) { 11872 pkgSetting = mSettings.mPackages.get(packageName); 11873 if (pkgSetting == null) { 11874 if (className == null) { 11875 throw new IllegalArgumentException( 11876 "Unknown package: " + packageName); 11877 } 11878 throw new IllegalArgumentException( 11879 "Unknown component: " + packageName 11880 + "/" + className); 11881 } 11882 // Allow root and verify that userId is not being specified by a different user 11883 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11884 throw new SecurityException( 11885 "Permission Denial: attempt to change component state from pid=" 11886 + Binder.getCallingPid() 11887 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11888 } 11889 if (className == null) { 11890 // We're dealing with an application/package level state change 11891 if (pkgSetting.getEnabled(userId) == newState) { 11892 // Nothing to do 11893 return; 11894 } 11895 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11896 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11897 // Don't care about who enables an app. 11898 callingPackage = null; 11899 } 11900 pkgSetting.setEnabled(newState, userId, callingPackage); 11901 // pkgSetting.pkg.mSetEnabled = newState; 11902 } else { 11903 // We're dealing with a component level state change 11904 // First, verify that this is a valid class name. 11905 PackageParser.Package pkg = pkgSetting.pkg; 11906 if (pkg == null || !pkg.hasComponentClassName(className)) { 11907 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11908 throw new IllegalArgumentException("Component class " + className 11909 + " does not exist in " + packageName); 11910 } else { 11911 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11912 + className + " does not exist in " + packageName); 11913 } 11914 } 11915 switch (newState) { 11916 case COMPONENT_ENABLED_STATE_ENABLED: 11917 if (!pkgSetting.enableComponentLPw(className, userId)) { 11918 return; 11919 } 11920 break; 11921 case COMPONENT_ENABLED_STATE_DISABLED: 11922 if (!pkgSetting.disableComponentLPw(className, userId)) { 11923 return; 11924 } 11925 break; 11926 case COMPONENT_ENABLED_STATE_DEFAULT: 11927 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11928 return; 11929 } 11930 break; 11931 default: 11932 Slog.e(TAG, "Invalid new component state: " + newState); 11933 return; 11934 } 11935 } 11936 mSettings.writePackageRestrictionsLPr(userId); 11937 components = mPendingBroadcasts.get(userId, packageName); 11938 final boolean newPackage = components == null; 11939 if (newPackage) { 11940 components = new ArrayList<String>(); 11941 } 11942 if (!components.contains(componentName)) { 11943 components.add(componentName); 11944 } 11945 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11946 sendNow = true; 11947 // Purge entry from pending broadcast list if another one exists already 11948 // since we are sending one right away. 11949 mPendingBroadcasts.remove(userId, packageName); 11950 } else { 11951 if (newPackage) { 11952 mPendingBroadcasts.put(userId, packageName, components); 11953 } 11954 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11955 // Schedule a message 11956 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11957 } 11958 } 11959 } 11960 11961 long callingId = Binder.clearCallingIdentity(); 11962 try { 11963 if (sendNow) { 11964 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11965 sendPackageChangedBroadcast(packageName, 11966 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11967 } 11968 } finally { 11969 Binder.restoreCallingIdentity(callingId); 11970 } 11971 } 11972 11973 private void sendPackageChangedBroadcast(String packageName, 11974 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11975 if (DEBUG_INSTALL) 11976 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11977 + componentNames); 11978 Bundle extras = new Bundle(4); 11979 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11980 String nameList[] = new String[componentNames.size()]; 11981 componentNames.toArray(nameList); 11982 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11983 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11984 extras.putInt(Intent.EXTRA_UID, packageUid); 11985 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11986 new int[] {UserHandle.getUserId(packageUid)}); 11987 } 11988 11989 @Override 11990 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11991 if (!sUserManager.exists(userId)) return; 11992 final int uid = Binder.getCallingUid(); 11993 final int permission = mContext.checkCallingOrSelfPermission( 11994 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11995 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11996 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 11997 // writer 11998 synchronized (mPackages) { 11999 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12000 uid, userId)) { 12001 scheduleWritePackageRestrictionsLocked(userId); 12002 } 12003 } 12004 } 12005 12006 @Override 12007 public String getInstallerPackageName(String packageName) { 12008 // reader 12009 synchronized (mPackages) { 12010 return mSettings.getInstallerPackageNameLPr(packageName); 12011 } 12012 } 12013 12014 @Override 12015 public int getApplicationEnabledSetting(String packageName, int userId) { 12016 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12017 int uid = Binder.getCallingUid(); 12018 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12019 // reader 12020 synchronized (mPackages) { 12021 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12022 } 12023 } 12024 12025 @Override 12026 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12027 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12028 int uid = Binder.getCallingUid(); 12029 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12030 // reader 12031 synchronized (mPackages) { 12032 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12033 } 12034 } 12035 12036 @Override 12037 public void enterSafeMode() { 12038 enforceSystemOrRoot("Only the system can request entering safe mode"); 12039 12040 if (!mSystemReady) { 12041 mSafeMode = true; 12042 } 12043 } 12044 12045 @Override 12046 public void systemReady() { 12047 mSystemReady = true; 12048 12049 // Read the compatibilty setting when the system is ready. 12050 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12051 mContext.getContentResolver(), 12052 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12053 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12054 if (DEBUG_SETTINGS) { 12055 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12056 } 12057 12058 synchronized (mPackages) { 12059 // Verify that all of the preferred activity components actually 12060 // exist. It is possible for applications to be updated and at 12061 // that point remove a previously declared activity component that 12062 // had been set as a preferred activity. We try to clean this up 12063 // the next time we encounter that preferred activity, but it is 12064 // possible for the user flow to never be able to return to that 12065 // situation so here we do a sanity check to make sure we haven't 12066 // left any junk around. 12067 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12068 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12069 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12070 removed.clear(); 12071 for (PreferredActivity pa : pir.filterSet()) { 12072 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12073 removed.add(pa); 12074 } 12075 } 12076 if (removed.size() > 0) { 12077 for (int r=0; r<removed.size(); r++) { 12078 PreferredActivity pa = removed.get(r); 12079 Slog.w(TAG, "Removing dangling preferred activity: " 12080 + pa.mPref.mComponent); 12081 pir.removeFilter(pa); 12082 } 12083 mSettings.writePackageRestrictionsLPr( 12084 mSettings.mPreferredActivities.keyAt(i)); 12085 } 12086 } 12087 } 12088 sUserManager.systemReady(); 12089 12090 // Kick off any messages waiting for system ready 12091 if (mPostSystemReadyMessages != null) { 12092 for (Message msg : mPostSystemReadyMessages) { 12093 msg.sendToTarget(); 12094 } 12095 mPostSystemReadyMessages = null; 12096 } 12097 } 12098 12099 @Override 12100 public boolean isSafeMode() { 12101 return mSafeMode; 12102 } 12103 12104 @Override 12105 public boolean hasSystemUidErrors() { 12106 return mHasSystemUidErrors; 12107 } 12108 12109 static String arrayToString(int[] array) { 12110 StringBuffer buf = new StringBuffer(128); 12111 buf.append('['); 12112 if (array != null) { 12113 for (int i=0; i<array.length; i++) { 12114 if (i > 0) buf.append(", "); 12115 buf.append(array[i]); 12116 } 12117 } 12118 buf.append(']'); 12119 return buf.toString(); 12120 } 12121 12122 static class DumpState { 12123 public static final int DUMP_LIBS = 1 << 0; 12124 public static final int DUMP_FEATURES = 1 << 1; 12125 public static final int DUMP_RESOLVERS = 1 << 2; 12126 public static final int DUMP_PERMISSIONS = 1 << 3; 12127 public static final int DUMP_PACKAGES = 1 << 4; 12128 public static final int DUMP_SHARED_USERS = 1 << 5; 12129 public static final int DUMP_MESSAGES = 1 << 6; 12130 public static final int DUMP_PROVIDERS = 1 << 7; 12131 public static final int DUMP_VERIFIERS = 1 << 8; 12132 public static final int DUMP_PREFERRED = 1 << 9; 12133 public static final int DUMP_PREFERRED_XML = 1 << 10; 12134 public static final int DUMP_KEYSETS = 1 << 11; 12135 public static final int DUMP_VERSION = 1 << 12; 12136 public static final int DUMP_INSTALLS = 1 << 13; 12137 12138 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12139 12140 private int mTypes; 12141 12142 private int mOptions; 12143 12144 private boolean mTitlePrinted; 12145 12146 private SharedUserSetting mSharedUser; 12147 12148 public boolean isDumping(int type) { 12149 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12150 return true; 12151 } 12152 12153 return (mTypes & type) != 0; 12154 } 12155 12156 public void setDump(int type) { 12157 mTypes |= type; 12158 } 12159 12160 public boolean isOptionEnabled(int option) { 12161 return (mOptions & option) != 0; 12162 } 12163 12164 public void setOptionEnabled(int option) { 12165 mOptions |= option; 12166 } 12167 12168 public boolean onTitlePrinted() { 12169 final boolean printed = mTitlePrinted; 12170 mTitlePrinted = true; 12171 return printed; 12172 } 12173 12174 public boolean getTitlePrinted() { 12175 return mTitlePrinted; 12176 } 12177 12178 public void setTitlePrinted(boolean enabled) { 12179 mTitlePrinted = enabled; 12180 } 12181 12182 public SharedUserSetting getSharedUser() { 12183 return mSharedUser; 12184 } 12185 12186 public void setSharedUser(SharedUserSetting user) { 12187 mSharedUser = user; 12188 } 12189 } 12190 12191 @Override 12192 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12193 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12194 != PackageManager.PERMISSION_GRANTED) { 12195 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12196 + Binder.getCallingPid() 12197 + ", uid=" + Binder.getCallingUid() 12198 + " without permission " 12199 + android.Manifest.permission.DUMP); 12200 return; 12201 } 12202 12203 DumpState dumpState = new DumpState(); 12204 boolean fullPreferred = false; 12205 boolean checkin = false; 12206 12207 String packageName = null; 12208 12209 int opti = 0; 12210 while (opti < args.length) { 12211 String opt = args[opti]; 12212 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12213 break; 12214 } 12215 opti++; 12216 12217 if ("-a".equals(opt)) { 12218 // Right now we only know how to print all. 12219 } else if ("-h".equals(opt)) { 12220 pw.println("Package manager dump options:"); 12221 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12222 pw.println(" --checkin: dump for a checkin"); 12223 pw.println(" -f: print details of intent filters"); 12224 pw.println(" -h: print this help"); 12225 pw.println(" cmd may be one of:"); 12226 pw.println(" l[ibraries]: list known shared libraries"); 12227 pw.println(" f[ibraries]: list device features"); 12228 pw.println(" k[eysets]: print known keysets"); 12229 pw.println(" r[esolvers]: dump intent resolvers"); 12230 pw.println(" perm[issions]: dump permissions"); 12231 pw.println(" pref[erred]: print preferred package settings"); 12232 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12233 pw.println(" prov[iders]: dump content providers"); 12234 pw.println(" p[ackages]: dump installed packages"); 12235 pw.println(" s[hared-users]: dump shared user IDs"); 12236 pw.println(" m[essages]: print collected runtime messages"); 12237 pw.println(" v[erifiers]: print package verifier info"); 12238 pw.println(" version: print database version info"); 12239 pw.println(" write: write current settings now"); 12240 pw.println(" <package.name>: info about given package"); 12241 pw.println(" installs: details about install sessions"); 12242 return; 12243 } else if ("--checkin".equals(opt)) { 12244 checkin = true; 12245 } else if ("-f".equals(opt)) { 12246 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12247 } else { 12248 pw.println("Unknown argument: " + opt + "; use -h for help"); 12249 } 12250 } 12251 12252 // Is the caller requesting to dump a particular piece of data? 12253 if (opti < args.length) { 12254 String cmd = args[opti]; 12255 opti++; 12256 // Is this a package name? 12257 if ("android".equals(cmd) || cmd.contains(".")) { 12258 packageName = cmd; 12259 // When dumping a single package, we always dump all of its 12260 // filter information since the amount of data will be reasonable. 12261 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12262 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12263 dumpState.setDump(DumpState.DUMP_LIBS); 12264 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12265 dumpState.setDump(DumpState.DUMP_FEATURES); 12266 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12267 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12268 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12269 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12270 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12271 dumpState.setDump(DumpState.DUMP_PREFERRED); 12272 } else if ("preferred-xml".equals(cmd)) { 12273 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12274 if (opti < args.length && "--full".equals(args[opti])) { 12275 fullPreferred = true; 12276 opti++; 12277 } 12278 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12279 dumpState.setDump(DumpState.DUMP_PACKAGES); 12280 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12281 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12282 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12283 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12284 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12285 dumpState.setDump(DumpState.DUMP_MESSAGES); 12286 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12287 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12288 } else if ("version".equals(cmd)) { 12289 dumpState.setDump(DumpState.DUMP_VERSION); 12290 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12291 dumpState.setDump(DumpState.DUMP_KEYSETS); 12292 } else if ("installs".equals(cmd)) { 12293 dumpState.setDump(DumpState.DUMP_INSTALLS); 12294 } else if ("write".equals(cmd)) { 12295 synchronized (mPackages) { 12296 mSettings.writeLPr(); 12297 pw.println("Settings written."); 12298 return; 12299 } 12300 } 12301 } 12302 12303 if (checkin) { 12304 pw.println("vers,1"); 12305 } 12306 12307 // reader 12308 synchronized (mPackages) { 12309 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12310 if (!checkin) { 12311 if (dumpState.onTitlePrinted()) 12312 pw.println(); 12313 pw.println("Database versions:"); 12314 pw.print(" SDK Version:"); 12315 pw.print(" internal="); 12316 pw.print(mSettings.mInternalSdkPlatform); 12317 pw.print(" external="); 12318 pw.println(mSettings.mExternalSdkPlatform); 12319 pw.print(" DB Version:"); 12320 pw.print(" internal="); 12321 pw.print(mSettings.mInternalDatabaseVersion); 12322 pw.print(" external="); 12323 pw.println(mSettings.mExternalDatabaseVersion); 12324 } 12325 } 12326 12327 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12328 if (!checkin) { 12329 if (dumpState.onTitlePrinted()) 12330 pw.println(); 12331 pw.println("Verifiers:"); 12332 pw.print(" Required: "); 12333 pw.print(mRequiredVerifierPackage); 12334 pw.print(" (uid="); 12335 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12336 pw.println(")"); 12337 } else if (mRequiredVerifierPackage != null) { 12338 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12339 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12340 } 12341 } 12342 12343 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12344 boolean printedHeader = false; 12345 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12346 while (it.hasNext()) { 12347 String name = it.next(); 12348 SharedLibraryEntry ent = mSharedLibraries.get(name); 12349 if (!checkin) { 12350 if (!printedHeader) { 12351 if (dumpState.onTitlePrinted()) 12352 pw.println(); 12353 pw.println("Libraries:"); 12354 printedHeader = true; 12355 } 12356 pw.print(" "); 12357 } else { 12358 pw.print("lib,"); 12359 } 12360 pw.print(name); 12361 if (!checkin) { 12362 pw.print(" -> "); 12363 } 12364 if (ent.path != null) { 12365 if (!checkin) { 12366 pw.print("(jar) "); 12367 pw.print(ent.path); 12368 } else { 12369 pw.print(",jar,"); 12370 pw.print(ent.path); 12371 } 12372 } else { 12373 if (!checkin) { 12374 pw.print("(apk) "); 12375 pw.print(ent.apk); 12376 } else { 12377 pw.print(",apk,"); 12378 pw.print(ent.apk); 12379 } 12380 } 12381 pw.println(); 12382 } 12383 } 12384 12385 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12386 if (dumpState.onTitlePrinted()) 12387 pw.println(); 12388 if (!checkin) { 12389 pw.println("Features:"); 12390 } 12391 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12392 while (it.hasNext()) { 12393 String name = it.next(); 12394 if (!checkin) { 12395 pw.print(" "); 12396 } else { 12397 pw.print("feat,"); 12398 } 12399 pw.println(name); 12400 } 12401 } 12402 12403 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12404 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12405 : "Activity Resolver Table:", " ", packageName, 12406 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12407 dumpState.setTitlePrinted(true); 12408 } 12409 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12410 : "Receiver Resolver Table:", " ", packageName, 12411 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12412 dumpState.setTitlePrinted(true); 12413 } 12414 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12415 : "Service Resolver Table:", " ", packageName, 12416 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12417 dumpState.setTitlePrinted(true); 12418 } 12419 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12420 : "Provider Resolver Table:", " ", packageName, 12421 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12422 dumpState.setTitlePrinted(true); 12423 } 12424 } 12425 12426 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12427 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12428 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12429 int user = mSettings.mPreferredActivities.keyAt(i); 12430 if (pir.dump(pw, 12431 dumpState.getTitlePrinted() 12432 ? "\nPreferred Activities User " + user + ":" 12433 : "Preferred Activities User " + user + ":", " ", 12434 packageName, true, false)) { 12435 dumpState.setTitlePrinted(true); 12436 } 12437 } 12438 } 12439 12440 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12441 pw.flush(); 12442 FileOutputStream fout = new FileOutputStream(fd); 12443 BufferedOutputStream str = new BufferedOutputStream(fout); 12444 XmlSerializer serializer = new FastXmlSerializer(); 12445 try { 12446 serializer.setOutput(str, "utf-8"); 12447 serializer.startDocument(null, true); 12448 serializer.setFeature( 12449 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12450 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12451 serializer.endDocument(); 12452 serializer.flush(); 12453 } catch (IllegalArgumentException e) { 12454 pw.println("Failed writing: " + e); 12455 } catch (IllegalStateException e) { 12456 pw.println("Failed writing: " + e); 12457 } catch (IOException e) { 12458 pw.println("Failed writing: " + e); 12459 } 12460 } 12461 12462 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12463 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12464 if (packageName == null) { 12465 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12466 if (iperm == 0) { 12467 if (dumpState.onTitlePrinted()) 12468 pw.println(); 12469 pw.println("AppOp Permissions:"); 12470 } 12471 pw.print(" AppOp Permission "); 12472 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12473 pw.println(":"); 12474 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12475 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12476 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12477 } 12478 } 12479 } 12480 } 12481 12482 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12483 boolean printedSomething = false; 12484 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12485 if (packageName != null && !packageName.equals(p.info.packageName)) { 12486 continue; 12487 } 12488 if (!printedSomething) { 12489 if (dumpState.onTitlePrinted()) 12490 pw.println(); 12491 pw.println("Registered ContentProviders:"); 12492 printedSomething = true; 12493 } 12494 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12495 pw.print(" "); pw.println(p.toString()); 12496 } 12497 printedSomething = false; 12498 for (Map.Entry<String, PackageParser.Provider> entry : 12499 mProvidersByAuthority.entrySet()) { 12500 PackageParser.Provider p = entry.getValue(); 12501 if (packageName != null && !packageName.equals(p.info.packageName)) { 12502 continue; 12503 } 12504 if (!printedSomething) { 12505 if (dumpState.onTitlePrinted()) 12506 pw.println(); 12507 pw.println("ContentProvider Authorities:"); 12508 printedSomething = true; 12509 } 12510 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12511 pw.print(" "); pw.println(p.toString()); 12512 if (p.info != null && p.info.applicationInfo != null) { 12513 final String appInfo = p.info.applicationInfo.toString(); 12514 pw.print(" applicationInfo="); pw.println(appInfo); 12515 } 12516 } 12517 } 12518 12519 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12520 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12521 } 12522 12523 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12524 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12525 } 12526 12527 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12528 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12529 } 12530 12531 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12532 // XXX should handle packageName != null by dumping only install data that 12533 // the given package is involved with. 12534 if (dumpState.onTitlePrinted()) pw.println(); 12535 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12536 } 12537 12538 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12539 if (dumpState.onTitlePrinted()) pw.println(); 12540 mSettings.dumpReadMessagesLPr(pw, dumpState); 12541 12542 pw.println(); 12543 pw.println("Package warning messages:"); 12544 BufferedReader in = null; 12545 String line = null; 12546 try { 12547 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12548 while ((line = in.readLine()) != null) { 12549 if (line.contains("ignored: updated version")) continue; 12550 pw.println(line); 12551 } 12552 } catch (IOException ignored) { 12553 } finally { 12554 IoUtils.closeQuietly(in); 12555 } 12556 } 12557 12558 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12559 BufferedReader in = null; 12560 String line = null; 12561 try { 12562 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12563 while ((line = in.readLine()) != null) { 12564 if (line.contains("ignored: updated version")) continue; 12565 pw.print("msg,"); 12566 pw.println(line); 12567 } 12568 } catch (IOException ignored) { 12569 } finally { 12570 IoUtils.closeQuietly(in); 12571 } 12572 } 12573 } 12574 } 12575 12576 // ------- apps on sdcard specific code ------- 12577 static final boolean DEBUG_SD_INSTALL = false; 12578 12579 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12580 12581 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12582 12583 private boolean mMediaMounted = false; 12584 12585 static String getEncryptKey() { 12586 try { 12587 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12588 SD_ENCRYPTION_KEYSTORE_NAME); 12589 if (sdEncKey == null) { 12590 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12591 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12592 if (sdEncKey == null) { 12593 Slog.e(TAG, "Failed to create encryption keys"); 12594 return null; 12595 } 12596 } 12597 return sdEncKey; 12598 } catch (NoSuchAlgorithmException nsae) { 12599 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12600 return null; 12601 } catch (IOException ioe) { 12602 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12603 return null; 12604 } 12605 } 12606 12607 /* 12608 * Update media status on PackageManager. 12609 */ 12610 @Override 12611 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12612 int callingUid = Binder.getCallingUid(); 12613 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12614 throw new SecurityException("Media status can only be updated by the system"); 12615 } 12616 // reader; this apparently protects mMediaMounted, but should probably 12617 // be a different lock in that case. 12618 synchronized (mPackages) { 12619 Log.i(TAG, "Updating external media status from " 12620 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12621 + (mediaStatus ? "mounted" : "unmounted")); 12622 if (DEBUG_SD_INSTALL) 12623 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12624 + ", mMediaMounted=" + mMediaMounted); 12625 if (mediaStatus == mMediaMounted) { 12626 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12627 : 0, -1); 12628 mHandler.sendMessage(msg); 12629 return; 12630 } 12631 mMediaMounted = mediaStatus; 12632 } 12633 // Queue up an async operation since the package installation may take a 12634 // little while. 12635 mHandler.post(new Runnable() { 12636 public void run() { 12637 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12638 } 12639 }); 12640 } 12641 12642 /** 12643 * Called by MountService when the initial ASECs to scan are available. 12644 * Should block until all the ASEC containers are finished being scanned. 12645 */ 12646 public void scanAvailableAsecs() { 12647 updateExternalMediaStatusInner(true, false, false); 12648 if (mShouldRestoreconData) { 12649 SELinuxMMAC.setRestoreconDone(); 12650 mShouldRestoreconData = false; 12651 } 12652 } 12653 12654 /* 12655 * Collect information of applications on external media, map them against 12656 * existing containers and update information based on current mount status. 12657 * Please note that we always have to report status if reportStatus has been 12658 * set to true especially when unloading packages. 12659 */ 12660 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12661 boolean externalStorage) { 12662 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12663 int[] uidArr = EmptyArray.INT; 12664 12665 final String[] list = PackageHelper.getSecureContainerList(); 12666 if (ArrayUtils.isEmpty(list)) { 12667 Log.i(TAG, "No secure containers found"); 12668 } else { 12669 // Process list of secure containers and categorize them 12670 // as active or stale based on their package internal state. 12671 12672 // reader 12673 synchronized (mPackages) { 12674 for (String cid : list) { 12675 // Leave stages untouched for now; installer service owns them 12676 if (PackageInstallerService.isStageName(cid)) continue; 12677 12678 if (DEBUG_SD_INSTALL) 12679 Log.i(TAG, "Processing container " + cid); 12680 String pkgName = getAsecPackageName(cid); 12681 if (pkgName == null) { 12682 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12683 continue; 12684 } 12685 if (DEBUG_SD_INSTALL) 12686 Log.i(TAG, "Looking for pkg : " + pkgName); 12687 12688 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12689 if (ps == null) { 12690 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12691 continue; 12692 } 12693 12694 /* 12695 * Skip packages that are not external if we're unmounting 12696 * external storage. 12697 */ 12698 if (externalStorage && !isMounted && !isExternal(ps)) { 12699 continue; 12700 } 12701 12702 final AsecInstallArgs args = new AsecInstallArgs(cid, 12703 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12704 // The package status is changed only if the code path 12705 // matches between settings and the container id. 12706 if (ps.codePathString != null 12707 && ps.codePathString.startsWith(args.getCodePath())) { 12708 if (DEBUG_SD_INSTALL) { 12709 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12710 + " at code path: " + ps.codePathString); 12711 } 12712 12713 // We do have a valid package installed on sdcard 12714 processCids.put(args, ps.codePathString); 12715 final int uid = ps.appId; 12716 if (uid != -1) { 12717 uidArr = ArrayUtils.appendInt(uidArr, uid); 12718 } 12719 } else { 12720 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12721 + ps.codePathString); 12722 } 12723 } 12724 } 12725 12726 Arrays.sort(uidArr); 12727 } 12728 12729 // Process packages with valid entries. 12730 if (isMounted) { 12731 if (DEBUG_SD_INSTALL) 12732 Log.i(TAG, "Loading packages"); 12733 loadMediaPackages(processCids, uidArr); 12734 startCleaningPackages(); 12735 mInstallerService.onSecureContainersAvailable(); 12736 } else { 12737 if (DEBUG_SD_INSTALL) 12738 Log.i(TAG, "Unloading packages"); 12739 unloadMediaPackages(processCids, uidArr, reportStatus); 12740 } 12741 } 12742 12743 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12744 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12745 int size = pkgList.size(); 12746 if (size > 0) { 12747 // Send broadcasts here 12748 Bundle extras = new Bundle(); 12749 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12750 .toArray(new String[size])); 12751 if (uidArr != null) { 12752 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12753 } 12754 if (replacing) { 12755 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12756 } 12757 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12758 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12759 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12760 } 12761 } 12762 12763 /* 12764 * Look at potentially valid container ids from processCids If package 12765 * information doesn't match the one on record or package scanning fails, 12766 * the cid is added to list of removeCids. We currently don't delete stale 12767 * containers. 12768 */ 12769 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12770 ArrayList<String> pkgList = new ArrayList<String>(); 12771 Set<AsecInstallArgs> keys = processCids.keySet(); 12772 12773 for (AsecInstallArgs args : keys) { 12774 String codePath = processCids.get(args); 12775 if (DEBUG_SD_INSTALL) 12776 Log.i(TAG, "Loading container : " + args.cid); 12777 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12778 try { 12779 // Make sure there are no container errors first. 12780 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12781 Slog.e(TAG, "Failed to mount cid : " + args.cid 12782 + " when installing from sdcard"); 12783 continue; 12784 } 12785 // Check code path here. 12786 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12787 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12788 + " does not match one in settings " + codePath); 12789 continue; 12790 } 12791 // Parse package 12792 int parseFlags = mDefParseFlags; 12793 if (args.isExternal()) { 12794 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12795 } 12796 if (args.isFwdLocked()) { 12797 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12798 } 12799 12800 synchronized (mInstallLock) { 12801 PackageParser.Package pkg = null; 12802 try { 12803 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12804 } catch (PackageManagerException e) { 12805 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12806 } 12807 // Scan the package 12808 if (pkg != null) { 12809 /* 12810 * TODO why is the lock being held? doPostInstall is 12811 * called in other places without the lock. This needs 12812 * to be straightened out. 12813 */ 12814 // writer 12815 synchronized (mPackages) { 12816 retCode = PackageManager.INSTALL_SUCCEEDED; 12817 pkgList.add(pkg.packageName); 12818 // Post process args 12819 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12820 pkg.applicationInfo.uid); 12821 } 12822 } else { 12823 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12824 } 12825 } 12826 12827 } finally { 12828 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12829 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12830 } 12831 } 12832 } 12833 // writer 12834 synchronized (mPackages) { 12835 // If the platform SDK has changed since the last time we booted, 12836 // we need to re-grant app permission to catch any new ones that 12837 // appear. This is really a hack, and means that apps can in some 12838 // cases get permissions that the user didn't initially explicitly 12839 // allow... it would be nice to have some better way to handle 12840 // this situation. 12841 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12842 if (regrantPermissions) 12843 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12844 + mSdkVersion + "; regranting permissions for external storage"); 12845 mSettings.mExternalSdkPlatform = mSdkVersion; 12846 12847 // Make sure group IDs have been assigned, and any permission 12848 // changes in other apps are accounted for 12849 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12850 | (regrantPermissions 12851 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12852 : 0)); 12853 12854 mSettings.updateExternalDatabaseVersion(); 12855 12856 // can downgrade to reader 12857 // Persist settings 12858 mSettings.writeLPr(); 12859 } 12860 // Send a broadcast to let everyone know we are done processing 12861 if (pkgList.size() > 0) { 12862 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12863 } 12864 } 12865 12866 /* 12867 * Utility method to unload a list of specified containers 12868 */ 12869 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12870 // Just unmount all valid containers. 12871 for (AsecInstallArgs arg : cidArgs) { 12872 synchronized (mInstallLock) { 12873 arg.doPostDeleteLI(false); 12874 } 12875 } 12876 } 12877 12878 /* 12879 * Unload packages mounted on external media. This involves deleting package 12880 * data from internal structures, sending broadcasts about diabled packages, 12881 * gc'ing to free up references, unmounting all secure containers 12882 * corresponding to packages on external media, and posting a 12883 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12884 * that we always have to post this message if status has been requested no 12885 * matter what. 12886 */ 12887 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12888 final boolean reportStatus) { 12889 if (DEBUG_SD_INSTALL) 12890 Log.i(TAG, "unloading media packages"); 12891 ArrayList<String> pkgList = new ArrayList<String>(); 12892 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12893 final Set<AsecInstallArgs> keys = processCids.keySet(); 12894 for (AsecInstallArgs args : keys) { 12895 String pkgName = args.getPackageName(); 12896 if (DEBUG_SD_INSTALL) 12897 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12898 // Delete package internally 12899 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12900 synchronized (mInstallLock) { 12901 boolean res = deletePackageLI(pkgName, null, false, null, null, 12902 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12903 if (res) { 12904 pkgList.add(pkgName); 12905 } else { 12906 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12907 failedList.add(args); 12908 } 12909 } 12910 } 12911 12912 // reader 12913 synchronized (mPackages) { 12914 // We didn't update the settings after removing each package; 12915 // write them now for all packages. 12916 mSettings.writeLPr(); 12917 } 12918 12919 // We have to absolutely send UPDATED_MEDIA_STATUS only 12920 // after confirming that all the receivers processed the ordered 12921 // broadcast when packages get disabled, force a gc to clean things up. 12922 // and unload all the containers. 12923 if (pkgList.size() > 0) { 12924 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12925 new IIntentReceiver.Stub() { 12926 public void performReceive(Intent intent, int resultCode, String data, 12927 Bundle extras, boolean ordered, boolean sticky, 12928 int sendingUser) throws RemoteException { 12929 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12930 reportStatus ? 1 : 0, 1, keys); 12931 mHandler.sendMessage(msg); 12932 } 12933 }); 12934 } else { 12935 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12936 keys); 12937 mHandler.sendMessage(msg); 12938 } 12939 } 12940 12941 /** Binder call */ 12942 @Override 12943 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12944 final int flags) { 12945 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12946 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12947 int returnCode = PackageManager.MOVE_SUCCEEDED; 12948 int currInstallFlags = 0; 12949 int newInstallFlags = 0; 12950 12951 File codeFile = null; 12952 String installerPackageName = null; 12953 String packageAbiOverride = null; 12954 12955 // reader 12956 synchronized (mPackages) { 12957 final PackageParser.Package pkg = mPackages.get(packageName); 12958 final PackageSetting ps = mSettings.mPackages.get(packageName); 12959 if (pkg == null || ps == null) { 12960 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12961 } else { 12962 // Disable moving fwd locked apps and system packages 12963 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12964 Slog.w(TAG, "Cannot move system application"); 12965 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12966 } else if (pkg.mOperationPending) { 12967 Slog.w(TAG, "Attempt to move package which has pending operations"); 12968 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12969 } else { 12970 // Find install location first 12971 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12972 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12973 Slog.w(TAG, "Ambigous flags specified for move location."); 12974 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12975 } else { 12976 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12977 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12978 currInstallFlags = isExternal(pkg) 12979 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12980 12981 if (newInstallFlags == currInstallFlags) { 12982 Slog.w(TAG, "No move required. Trying to move to same location"); 12983 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12984 } else { 12985 if (pkg.isForwardLocked()) { 12986 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12987 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12988 } 12989 } 12990 } 12991 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12992 pkg.mOperationPending = true; 12993 } 12994 } 12995 12996 codeFile = new File(pkg.codePath); 12997 installerPackageName = ps.installerPackageName; 12998 packageAbiOverride = ps.cpuAbiOverrideString; 12999 } 13000 } 13001 13002 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13003 try { 13004 observer.packageMoved(packageName, returnCode); 13005 } catch (RemoteException ignored) { 13006 } 13007 return; 13008 } 13009 13010 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13011 @Override 13012 public void onUserActionRequired(Intent intent) throws RemoteException { 13013 throw new IllegalStateException(); 13014 } 13015 13016 @Override 13017 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13018 Bundle extras) throws RemoteException { 13019 Slog.d(TAG, "Install result for move: " 13020 + PackageManager.installStatusToString(returnCode, msg)); 13021 13022 // We usually have a new package now after the install, but if 13023 // we failed we need to clear the pending flag on the original 13024 // package object. 13025 synchronized (mPackages) { 13026 final PackageParser.Package pkg = mPackages.get(packageName); 13027 if (pkg != null) { 13028 pkg.mOperationPending = false; 13029 } 13030 } 13031 13032 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13033 switch (status) { 13034 case PackageInstaller.STATUS_SUCCESS: 13035 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13036 break; 13037 case PackageInstaller.STATUS_FAILURE_STORAGE: 13038 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13039 break; 13040 default: 13041 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13042 break; 13043 } 13044 } 13045 }; 13046 13047 // Treat a move like reinstalling an existing app, which ensures that we 13048 // process everythign uniformly, like unpacking native libraries. 13049 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13050 13051 final Message msg = mHandler.obtainMessage(INIT_COPY); 13052 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13053 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13054 installerPackageName, null, user, packageAbiOverride); 13055 mHandler.sendMessage(msg); 13056 } 13057 13058 @Override 13059 public boolean setInstallLocation(int loc) { 13060 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13061 null); 13062 if (getInstallLocation() == loc) { 13063 return true; 13064 } 13065 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13066 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13067 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13068 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13069 return true; 13070 } 13071 return false; 13072 } 13073 13074 @Override 13075 public int getInstallLocation() { 13076 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13077 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13078 PackageHelper.APP_INSTALL_AUTO); 13079 } 13080 13081 /** Called by UserManagerService */ 13082 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13083 mDirtyUsers.remove(userHandle); 13084 mSettings.removeUserLPw(userHandle); 13085 mPendingBroadcasts.remove(userHandle); 13086 if (mInstaller != null) { 13087 // Technically, we shouldn't be doing this with the package lock 13088 // held. However, this is very rare, and there is already so much 13089 // other disk I/O going on, that we'll let it slide for now. 13090 mInstaller.removeUserDataDirs(userHandle); 13091 } 13092 mUserNeedsBadging.delete(userHandle); 13093 removeUnusedPackagesLILPw(userManager, userHandle); 13094 } 13095 13096 /** 13097 * We're removing userHandle and would like to remove any downloaded packages 13098 * that are no longer in use by any other user. 13099 * @param userHandle the user being removed 13100 */ 13101 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13102 final boolean DEBUG_CLEAN_APKS = false; 13103 int [] users = userManager.getUserIdsLPr(); 13104 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13105 while (psit.hasNext()) { 13106 PackageSetting ps = psit.next(); 13107 if (ps.pkg == null) { 13108 continue; 13109 } 13110 final String packageName = ps.pkg.packageName; 13111 // Skip over if system app 13112 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13113 continue; 13114 } 13115 if (DEBUG_CLEAN_APKS) { 13116 Slog.i(TAG, "Checking package " + packageName); 13117 } 13118 boolean keep = false; 13119 for (int i = 0; i < users.length; i++) { 13120 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13121 keep = true; 13122 if (DEBUG_CLEAN_APKS) { 13123 Slog.i(TAG, " Keeping package " + packageName + " for user " 13124 + users[i]); 13125 } 13126 break; 13127 } 13128 } 13129 if (!keep) { 13130 if (DEBUG_CLEAN_APKS) { 13131 Slog.i(TAG, " Removing package " + packageName); 13132 } 13133 mHandler.post(new Runnable() { 13134 public void run() { 13135 deletePackageX(packageName, userHandle, 0); 13136 } //end run 13137 }); 13138 } 13139 } 13140 } 13141 13142 /** Called by UserManagerService */ 13143 void createNewUserLILPw(int userHandle, File path) { 13144 if (mInstaller != null) { 13145 mInstaller.createUserConfig(userHandle); 13146 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13147 } 13148 } 13149 13150 @Override 13151 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13152 mContext.enforceCallingOrSelfPermission( 13153 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13154 "Only package verification agents can read the verifier device identity"); 13155 13156 synchronized (mPackages) { 13157 return mSettings.getVerifierDeviceIdentityLPw(); 13158 } 13159 } 13160 13161 @Override 13162 public void setPermissionEnforced(String permission, boolean enforced) { 13163 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13164 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13165 synchronized (mPackages) { 13166 if (mSettings.mReadExternalStorageEnforced == null 13167 || mSettings.mReadExternalStorageEnforced != enforced) { 13168 mSettings.mReadExternalStorageEnforced = enforced; 13169 mSettings.writeLPr(); 13170 } 13171 } 13172 // kill any non-foreground processes so we restart them and 13173 // grant/revoke the GID. 13174 final IActivityManager am = ActivityManagerNative.getDefault(); 13175 if (am != null) { 13176 final long token = Binder.clearCallingIdentity(); 13177 try { 13178 am.killProcessesBelowForeground("setPermissionEnforcement"); 13179 } catch (RemoteException e) { 13180 } finally { 13181 Binder.restoreCallingIdentity(token); 13182 } 13183 } 13184 } else { 13185 throw new IllegalArgumentException("No selective enforcement for " + permission); 13186 } 13187 } 13188 13189 @Override 13190 @Deprecated 13191 public boolean isPermissionEnforced(String permission) { 13192 return true; 13193 } 13194 13195 @Override 13196 public boolean isStorageLow() { 13197 final long token = Binder.clearCallingIdentity(); 13198 try { 13199 final DeviceStorageMonitorInternal 13200 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13201 if (dsm != null) { 13202 return dsm.isMemoryLow(); 13203 } else { 13204 return false; 13205 } 13206 } finally { 13207 Binder.restoreCallingIdentity(token); 13208 } 13209 } 13210 13211 @Override 13212 public IPackageInstaller getPackageInstaller() { 13213 return mInstallerService; 13214 } 13215 13216 private boolean userNeedsBadging(int userId) { 13217 int index = mUserNeedsBadging.indexOfKey(userId); 13218 if (index < 0) { 13219 final UserInfo userInfo; 13220 final long token = Binder.clearCallingIdentity(); 13221 try { 13222 userInfo = sUserManager.getUserInfo(userId); 13223 } finally { 13224 Binder.restoreCallingIdentity(token); 13225 } 13226 final boolean b; 13227 if (userInfo != null && userInfo.isManagedProfile()) { 13228 b = true; 13229 } else { 13230 b = false; 13231 } 13232 mUserNeedsBadging.put(userId, b); 13233 return b; 13234 } 13235 return mUserNeedsBadging.valueAt(index); 13236 } 13237 13238 @Override 13239 public KeySet getKeySetByAlias(String packageName, String alias) { 13240 if (packageName == null || alias == null) { 13241 return null; 13242 } 13243 synchronized(mPackages) { 13244 final PackageParser.Package pkg = mPackages.get(packageName); 13245 if (pkg == null) { 13246 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13247 throw new IllegalArgumentException("Unknown package: " + packageName); 13248 } 13249 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13250 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13251 } 13252 } 13253 13254 @Override 13255 public KeySet getSigningKeySet(String packageName) { 13256 if (packageName == null) { 13257 return null; 13258 } 13259 synchronized(mPackages) { 13260 final PackageParser.Package pkg = mPackages.get(packageName); 13261 if (pkg == null) { 13262 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13263 throw new IllegalArgumentException("Unknown package: " + packageName); 13264 } 13265 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13266 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13267 throw new SecurityException("May not access signing KeySet of other apps."); 13268 } 13269 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13270 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13271 } 13272 } 13273 13274 @Override 13275 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13276 if (packageName == null || ks == null) { 13277 return false; 13278 } 13279 synchronized(mPackages) { 13280 final PackageParser.Package pkg = mPackages.get(packageName); 13281 if (pkg == null) { 13282 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13283 throw new IllegalArgumentException("Unknown package: " + packageName); 13284 } 13285 IBinder ksh = ks.getToken(); 13286 if (ksh instanceof KeySetHandle) { 13287 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13288 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13289 } 13290 return false; 13291 } 13292 } 13293 13294 @Override 13295 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13296 if (packageName == null || ks == null) { 13297 return false; 13298 } 13299 synchronized(mPackages) { 13300 final PackageParser.Package pkg = mPackages.get(packageName); 13301 if (pkg == null) { 13302 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13303 throw new IllegalArgumentException("Unknown package: " + packageName); 13304 } 13305 IBinder ksh = ks.getToken(); 13306 if (ksh instanceof KeySetHandle) { 13307 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13308 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13309 } 13310 return false; 13311 } 13312 } 13313 13314 public void getUsageStatsIfNoPackageUsageInfo() { 13315 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13316 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13317 if (usm == null) { 13318 throw new IllegalStateException("UsageStatsManager must be initialized"); 13319 } 13320 long now = System.currentTimeMillis(); 13321 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13322 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13323 String packageName = entry.getKey(); 13324 PackageParser.Package pkg = mPackages.get(packageName); 13325 if (pkg == null) { 13326 continue; 13327 } 13328 UsageStats usage = entry.getValue(); 13329 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13330 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13331 } 13332 } 13333 } 13334 13335 /** 13336 * Check and throw if the given before/after packages would be considered a 13337 * downgrade. 13338 */ 13339 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13340 throws PackageManagerException { 13341 if (after.versionCode < before.mVersionCode) { 13342 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13343 "Update version code " + after.versionCode + " is older than current " 13344 + before.mVersionCode); 13345 } else if (after.versionCode == before.mVersionCode) { 13346 if (after.baseRevisionCode < before.baseRevisionCode) { 13347 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13348 "Update base revision code " + after.baseRevisionCode 13349 + " is older than current " + before.baseRevisionCode); 13350 } 13351 13352 if (!ArrayUtils.isEmpty(after.splitNames)) { 13353 for (int i = 0; i < after.splitNames.length; i++) { 13354 final String splitName = after.splitNames[i]; 13355 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13356 if (j != -1) { 13357 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13358 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13359 "Update split " + splitName + " revision code " 13360 + after.splitRevisionCodes[i] + " is older than current " 13361 + before.splitRevisionCodes[j]); 13362 } 13363 } 13364 } 13365 } 13366 } 13367 } 13368} 13369