PackageManagerService.java revision b84cb9e9719855d56ea74c2eb7afc49034c0e66f
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 // Filter out packages that aren't recently used. 4632 filterRecentlyUsedApps(pkgs); 4633 // Add all remaining apps. 4634 for (PackageParser.Package pkg : pkgs) { 4635 if (DEBUG_DEXOPT) { 4636 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4637 } 4638 sortedPkgs.add(pkg); 4639 } 4640 4641 // If we want to be lazy, filter everything that wasn't recently used. 4642 if (mLazyDexOpt) { 4643 filterRecentlyUsedApps(sortedPkgs); 4644 } 4645 4646 int i = 0; 4647 int total = sortedPkgs.size(); 4648 File dataDir = Environment.getDataDirectory(); 4649 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4650 if (lowThreshold == 0) { 4651 throw new IllegalStateException("Invalid low memory threshold"); 4652 } 4653 for (PackageParser.Package pkg : sortedPkgs) { 4654 long usableSpace = dataDir.getUsableSpace(); 4655 if (usableSpace < lowThreshold) { 4656 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4657 break; 4658 } 4659 performBootDexOpt(pkg, ++i, total); 4660 } 4661 } 4662 } 4663 4664 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4665 // Filter out packages that aren't recently used. 4666 // 4667 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4668 // should do a full dexopt. 4669 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4670 int total = pkgs.size(); 4671 int skipped = 0; 4672 long now = System.currentTimeMillis(); 4673 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4674 PackageParser.Package pkg = i.next(); 4675 long then = pkg.mLastPackageUsageTimeInMills; 4676 if (then + mDexOptLRUThresholdInMills < now) { 4677 if (DEBUG_DEXOPT) { 4678 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4679 ((then == 0) ? "never" : new Date(then))); 4680 } 4681 i.remove(); 4682 skipped++; 4683 } 4684 } 4685 if (DEBUG_DEXOPT) { 4686 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4687 } 4688 } 4689 } 4690 4691 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4692 List<ResolveInfo> ris = null; 4693 try { 4694 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4695 intent, null, 0, UserHandle.USER_OWNER); 4696 } catch (RemoteException e) { 4697 } 4698 ArraySet<String> pkgNames = new ArraySet<String>(); 4699 if (ris != null) { 4700 for (ResolveInfo ri : ris) { 4701 pkgNames.add(ri.activityInfo.packageName); 4702 } 4703 } 4704 return pkgNames; 4705 } 4706 4707 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4708 if (DEBUG_DEXOPT) { 4709 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4710 } 4711 if (!isFirstBoot()) { 4712 try { 4713 ActivityManagerNative.getDefault().showBootMessage( 4714 mContext.getResources().getString(R.string.android_upgrading_apk, 4715 curr, total), true); 4716 } catch (RemoteException e) { 4717 } 4718 } 4719 PackageParser.Package p = pkg; 4720 synchronized (mInstallLock) { 4721 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4722 false /* force dex */, false /* defer */, true /* include dependencies */); 4723 } 4724 } 4725 4726 @Override 4727 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4728 return performDexOpt(packageName, instructionSet, false); 4729 } 4730 4731 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4732 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4733 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4734 if (!dexopt && !updateUsage) { 4735 // We aren't going to dexopt or update usage, so bail early. 4736 return false; 4737 } 4738 PackageParser.Package p; 4739 final String targetInstructionSet; 4740 synchronized (mPackages) { 4741 p = mPackages.get(packageName); 4742 if (p == null) { 4743 return false; 4744 } 4745 if (updateUsage) { 4746 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4747 } 4748 mPackageUsage.write(false); 4749 if (!dexopt) { 4750 // We aren't going to dexopt, so bail early. 4751 return false; 4752 } 4753 4754 targetInstructionSet = instructionSet != null ? instructionSet : 4755 getPrimaryInstructionSet(p.applicationInfo); 4756 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4757 return false; 4758 } 4759 } 4760 4761 synchronized (mInstallLock) { 4762 final String[] instructionSets = new String[] { targetInstructionSet }; 4763 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4764 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4765 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4766 } 4767 } 4768 4769 public ArraySet<String> getPackagesThatNeedDexOpt() { 4770 ArraySet<String> pkgs = null; 4771 synchronized (mPackages) { 4772 for (PackageParser.Package p : mPackages.values()) { 4773 if (DEBUG_DEXOPT) { 4774 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4775 } 4776 if (!p.mDexOptPerformed.isEmpty()) { 4777 continue; 4778 } 4779 if (pkgs == null) { 4780 pkgs = new ArraySet<String>(); 4781 } 4782 pkgs.add(p.packageName); 4783 } 4784 } 4785 return pkgs; 4786 } 4787 4788 public void shutdown() { 4789 mPackageUsage.write(true); 4790 } 4791 4792 @Override 4793 public void forceDexOpt(String packageName) { 4794 enforceSystemOrRoot("forceDexOpt"); 4795 4796 PackageParser.Package pkg; 4797 synchronized (mPackages) { 4798 pkg = mPackages.get(packageName); 4799 if (pkg == null) { 4800 throw new IllegalArgumentException("Missing package: " + packageName); 4801 } 4802 } 4803 4804 synchronized (mInstallLock) { 4805 final String[] instructionSets = new String[] { 4806 getPrimaryInstructionSet(pkg.applicationInfo) }; 4807 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4808 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4809 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4810 throw new IllegalStateException("Failed to dexopt: " + res); 4811 } 4812 } 4813 } 4814 4815 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4816 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4817 Slog.w(TAG, "Unable to update from " + oldPkg.name 4818 + " to " + newPkg.packageName 4819 + ": old package not in system partition"); 4820 return false; 4821 } else if (mPackages.get(oldPkg.name) != null) { 4822 Slog.w(TAG, "Unable to update from " + oldPkg.name 4823 + " to " + newPkg.packageName 4824 + ": old package still exists"); 4825 return false; 4826 } 4827 return true; 4828 } 4829 4830 private File getDataPathForPackage(String packageName, int userId) { 4831 /* 4832 * Until we fully support multiple users, return the directory we 4833 * previously would have. The PackageManagerTests will need to be 4834 * revised when this is changed back.. 4835 */ 4836 if (userId == 0) { 4837 return new File(mAppDataDir, packageName); 4838 } else { 4839 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4840 + File.separator + packageName); 4841 } 4842 } 4843 4844 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4845 int[] users = sUserManager.getUserIds(); 4846 int res = mInstaller.install(packageName, uid, uid, seinfo); 4847 if (res < 0) { 4848 return res; 4849 } 4850 for (int user : users) { 4851 if (user != 0) { 4852 res = mInstaller.createUserData(packageName, 4853 UserHandle.getUid(user, uid), user, seinfo); 4854 if (res < 0) { 4855 return res; 4856 } 4857 } 4858 } 4859 return res; 4860 } 4861 4862 private int removeDataDirsLI(String packageName) { 4863 int[] users = sUserManager.getUserIds(); 4864 int res = 0; 4865 for (int user : users) { 4866 int resInner = mInstaller.remove(packageName, user); 4867 if (resInner < 0) { 4868 res = resInner; 4869 } 4870 } 4871 4872 return res; 4873 } 4874 4875 private int deleteCodeCacheDirsLI(String packageName) { 4876 int[] users = sUserManager.getUserIds(); 4877 int res = 0; 4878 for (int user : users) { 4879 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4880 if (resInner < 0) { 4881 res = resInner; 4882 } 4883 } 4884 return res; 4885 } 4886 4887 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4888 PackageParser.Package changingLib) { 4889 if (file.path != null) { 4890 usesLibraryFiles.add(file.path); 4891 return; 4892 } 4893 PackageParser.Package p = mPackages.get(file.apk); 4894 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4895 // If we are doing this while in the middle of updating a library apk, 4896 // then we need to make sure to use that new apk for determining the 4897 // dependencies here. (We haven't yet finished committing the new apk 4898 // to the package manager state.) 4899 if (p == null || p.packageName.equals(changingLib.packageName)) { 4900 p = changingLib; 4901 } 4902 } 4903 if (p != null) { 4904 usesLibraryFiles.addAll(p.getAllCodePaths()); 4905 } 4906 } 4907 4908 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4909 PackageParser.Package changingLib) throws PackageManagerException { 4910 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4911 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4912 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4913 for (int i=0; i<N; i++) { 4914 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4915 if (file == null) { 4916 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4917 "Package " + pkg.packageName + " requires unavailable shared library " 4918 + pkg.usesLibraries.get(i) + "; failing!"); 4919 } 4920 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4921 } 4922 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4923 for (int i=0; i<N; i++) { 4924 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4925 if (file == null) { 4926 Slog.w(TAG, "Package " + pkg.packageName 4927 + " desires unavailable shared library " 4928 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4929 } else { 4930 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4931 } 4932 } 4933 N = usesLibraryFiles.size(); 4934 if (N > 0) { 4935 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4936 } else { 4937 pkg.usesLibraryFiles = null; 4938 } 4939 } 4940 } 4941 4942 private static boolean hasString(List<String> list, List<String> which) { 4943 if (list == null) { 4944 return false; 4945 } 4946 for (int i=list.size()-1; i>=0; i--) { 4947 for (int j=which.size()-1; j>=0; j--) { 4948 if (which.get(j).equals(list.get(i))) { 4949 return true; 4950 } 4951 } 4952 } 4953 return false; 4954 } 4955 4956 private void updateAllSharedLibrariesLPw() { 4957 for (PackageParser.Package pkg : mPackages.values()) { 4958 try { 4959 updateSharedLibrariesLPw(pkg, null); 4960 } catch (PackageManagerException e) { 4961 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4962 } 4963 } 4964 } 4965 4966 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4967 PackageParser.Package changingPkg) { 4968 ArrayList<PackageParser.Package> res = null; 4969 for (PackageParser.Package pkg : mPackages.values()) { 4970 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4971 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4972 if (res == null) { 4973 res = new ArrayList<PackageParser.Package>(); 4974 } 4975 res.add(pkg); 4976 try { 4977 updateSharedLibrariesLPw(pkg, changingPkg); 4978 } catch (PackageManagerException e) { 4979 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4980 } 4981 } 4982 } 4983 return res; 4984 } 4985 4986 /** 4987 * Derive the value of the {@code cpuAbiOverride} based on the provided 4988 * value and an optional stored value from the package settings. 4989 */ 4990 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 4991 String cpuAbiOverride = null; 4992 4993 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 4994 cpuAbiOverride = null; 4995 } else if (abiOverride != null) { 4996 cpuAbiOverride = abiOverride; 4997 } else if (settings != null) { 4998 cpuAbiOverride = settings.cpuAbiOverrideString; 4999 } 5000 5001 return cpuAbiOverride; 5002 } 5003 5004 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5005 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5006 boolean success = false; 5007 try { 5008 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5009 currentTime, user); 5010 success = true; 5011 return res; 5012 } finally { 5013 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5014 removeDataDirsLI(pkg.packageName); 5015 } 5016 } 5017 } 5018 5019 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5020 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5021 final File scanFile = new File(pkg.codePath); 5022 if (pkg.applicationInfo.getCodePath() == null || 5023 pkg.applicationInfo.getResourcePath() == null) { 5024 // Bail out. The resource and code paths haven't been set. 5025 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5026 "Code and resource paths haven't been set correctly"); 5027 } 5028 5029 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5030 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5031 } else { 5032 // Only allow system apps to be flagged as core apps. 5033 pkg.coreApp = false; 5034 } 5035 5036 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5037 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5038 } 5039 5040 if (mCustomResolverComponentName != null && 5041 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5042 setUpCustomResolverActivity(pkg); 5043 } 5044 5045 if (pkg.packageName.equals("android")) { 5046 synchronized (mPackages) { 5047 if (mAndroidApplication != null) { 5048 Slog.w(TAG, "*************************************************"); 5049 Slog.w(TAG, "Core android package being redefined. Skipping."); 5050 Slog.w(TAG, " file=" + scanFile); 5051 Slog.w(TAG, "*************************************************"); 5052 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5053 "Core android package being redefined. Skipping."); 5054 } 5055 5056 // Set up information for our fall-back user intent resolution activity. 5057 mPlatformPackage = pkg; 5058 pkg.mVersionCode = mSdkVersion; 5059 mAndroidApplication = pkg.applicationInfo; 5060 5061 if (!mResolverReplaced) { 5062 mResolveActivity.applicationInfo = mAndroidApplication; 5063 mResolveActivity.name = ResolverActivity.class.getName(); 5064 mResolveActivity.packageName = mAndroidApplication.packageName; 5065 mResolveActivity.processName = "system:ui"; 5066 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5067 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5068 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5069 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5070 mResolveActivity.exported = true; 5071 mResolveActivity.enabled = true; 5072 mResolveInfo.activityInfo = mResolveActivity; 5073 mResolveInfo.priority = 0; 5074 mResolveInfo.preferredOrder = 0; 5075 mResolveInfo.match = 0; 5076 mResolveComponentName = new ComponentName( 5077 mAndroidApplication.packageName, mResolveActivity.name); 5078 } 5079 } 5080 } 5081 5082 if (DEBUG_PACKAGE_SCANNING) { 5083 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5084 Log.d(TAG, "Scanning package " + pkg.packageName); 5085 } 5086 5087 if (mPackages.containsKey(pkg.packageName) 5088 || mSharedLibraries.containsKey(pkg.packageName)) { 5089 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5090 "Application package " + pkg.packageName 5091 + " already installed. Skipping duplicate."); 5092 } 5093 5094 // Initialize package source and resource directories 5095 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5096 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5097 5098 SharedUserSetting suid = null; 5099 PackageSetting pkgSetting = null; 5100 5101 if (!isSystemApp(pkg)) { 5102 // Only system apps can use these features. 5103 pkg.mOriginalPackages = null; 5104 pkg.mRealPackage = null; 5105 pkg.mAdoptPermissions = null; 5106 } 5107 5108 // writer 5109 synchronized (mPackages) { 5110 if (pkg.mSharedUserId != null) { 5111 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5112 if (suid == null) { 5113 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5114 "Creating application package " + pkg.packageName 5115 + " for shared user failed"); 5116 } 5117 if (DEBUG_PACKAGE_SCANNING) { 5118 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5119 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5120 + "): packages=" + suid.packages); 5121 } 5122 } 5123 5124 // Check if we are renaming from an original package name. 5125 PackageSetting origPackage = null; 5126 String realName = null; 5127 if (pkg.mOriginalPackages != null) { 5128 // This package may need to be renamed to a previously 5129 // installed name. Let's check on that... 5130 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5131 if (pkg.mOriginalPackages.contains(renamed)) { 5132 // This package had originally been installed as the 5133 // original name, and we have already taken care of 5134 // transitioning to the new one. Just update the new 5135 // one to continue using the old name. 5136 realName = pkg.mRealPackage; 5137 if (!pkg.packageName.equals(renamed)) { 5138 // Callers into this function may have already taken 5139 // care of renaming the package; only do it here if 5140 // it is not already done. 5141 pkg.setPackageName(renamed); 5142 } 5143 5144 } else { 5145 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5146 if ((origPackage = mSettings.peekPackageLPr( 5147 pkg.mOriginalPackages.get(i))) != null) { 5148 // We do have the package already installed under its 5149 // original name... should we use it? 5150 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5151 // New package is not compatible with original. 5152 origPackage = null; 5153 continue; 5154 } else if (origPackage.sharedUser != null) { 5155 // Make sure uid is compatible between packages. 5156 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5157 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5158 + " to " + pkg.packageName + ": old uid " 5159 + origPackage.sharedUser.name 5160 + " differs from " + pkg.mSharedUserId); 5161 origPackage = null; 5162 continue; 5163 } 5164 } else { 5165 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5166 + pkg.packageName + " to old name " + origPackage.name); 5167 } 5168 break; 5169 } 5170 } 5171 } 5172 } 5173 5174 if (mTransferedPackages.contains(pkg.packageName)) { 5175 Slog.w(TAG, "Package " + pkg.packageName 5176 + " was transferred to another, but its .apk remains"); 5177 } 5178 5179 // Just create the setting, don't add it yet. For already existing packages 5180 // the PkgSetting exists already and doesn't have to be created. 5181 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5182 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5183 pkg.applicationInfo.primaryCpuAbi, 5184 pkg.applicationInfo.secondaryCpuAbi, 5185 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5186 user, false); 5187 if (pkgSetting == null) { 5188 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5189 "Creating application package " + pkg.packageName + " failed"); 5190 } 5191 5192 if (pkgSetting.origPackage != null) { 5193 // If we are first transitioning from an original package, 5194 // fix up the new package's name now. We need to do this after 5195 // looking up the package under its new name, so getPackageLP 5196 // can take care of fiddling things correctly. 5197 pkg.setPackageName(origPackage.name); 5198 5199 // File a report about this. 5200 String msg = "New package " + pkgSetting.realName 5201 + " renamed to replace old package " + pkgSetting.name; 5202 reportSettingsProblem(Log.WARN, msg); 5203 5204 // Make a note of it. 5205 mTransferedPackages.add(origPackage.name); 5206 5207 // No longer need to retain this. 5208 pkgSetting.origPackage = null; 5209 } 5210 5211 if (realName != null) { 5212 // Make a note of it. 5213 mTransferedPackages.add(pkg.packageName); 5214 } 5215 5216 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5217 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5218 } 5219 5220 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5221 // Check all shared libraries and map to their actual file path. 5222 // We only do this here for apps not on a system dir, because those 5223 // are the only ones that can fail an install due to this. We 5224 // will take care of the system apps by updating all of their 5225 // library paths after the scan is done. 5226 updateSharedLibrariesLPw(pkg, null); 5227 } 5228 5229 if (mFoundPolicyFile) { 5230 SELinuxMMAC.assignSeinfoValue(pkg); 5231 } 5232 5233 pkg.applicationInfo.uid = pkgSetting.appId; 5234 pkg.mExtras = pkgSetting; 5235 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5236 try { 5237 verifySignaturesLP(pkgSetting, pkg); 5238 // We just determined the app is signed correctly, so bring 5239 // over the latest parsed certs. 5240 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5241 } catch (PackageManagerException e) { 5242 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5243 throw e; 5244 } 5245 // The signature has changed, but this package is in the system 5246 // image... let's recover! 5247 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5248 // However... if this package is part of a shared user, but it 5249 // doesn't match the signature of the shared user, let's fail. 5250 // What this means is that you can't change the signatures 5251 // associated with an overall shared user, which doesn't seem all 5252 // that unreasonable. 5253 if (pkgSetting.sharedUser != null) { 5254 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5255 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5256 throw new PackageManagerException( 5257 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5258 "Signature mismatch for shared user : " 5259 + pkgSetting.sharedUser); 5260 } 5261 } 5262 // File a report about this. 5263 String msg = "System package " + pkg.packageName 5264 + " signature changed; retaining data."; 5265 reportSettingsProblem(Log.WARN, msg); 5266 } 5267 } else { 5268 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5269 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5270 + pkg.packageName + " upgrade keys do not match the " 5271 + "previously installed version"); 5272 } else { 5273 // We just determined the app is signed correctly, so bring 5274 // over the latest parsed certs. 5275 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5276 } 5277 } 5278 // Verify that this new package doesn't have any content providers 5279 // that conflict with existing packages. Only do this if the 5280 // package isn't already installed, since we don't want to break 5281 // things that are installed. 5282 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5283 final int N = pkg.providers.size(); 5284 int i; 5285 for (i=0; i<N; i++) { 5286 PackageParser.Provider p = pkg.providers.get(i); 5287 if (p.info.authority != null) { 5288 String names[] = p.info.authority.split(";"); 5289 for (int j = 0; j < names.length; j++) { 5290 if (mProvidersByAuthority.containsKey(names[j])) { 5291 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5292 final String otherPackageName = 5293 ((other != null && other.getComponentName() != null) ? 5294 other.getComponentName().getPackageName() : "?"); 5295 throw new PackageManagerException( 5296 INSTALL_FAILED_CONFLICTING_PROVIDER, 5297 "Can't install because provider name " + names[j] 5298 + " (in package " + pkg.applicationInfo.packageName 5299 + ") is already used by " + otherPackageName); 5300 } 5301 } 5302 } 5303 } 5304 } 5305 5306 if (pkg.mAdoptPermissions != null) { 5307 // This package wants to adopt ownership of permissions from 5308 // another package. 5309 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5310 final String origName = pkg.mAdoptPermissions.get(i); 5311 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5312 if (orig != null) { 5313 if (verifyPackageUpdateLPr(orig, pkg)) { 5314 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5315 + pkg.packageName); 5316 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5317 } 5318 } 5319 } 5320 } 5321 } 5322 5323 final String pkgName = pkg.packageName; 5324 5325 final long scanFileTime = scanFile.lastModified(); 5326 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5327 pkg.applicationInfo.processName = fixProcessName( 5328 pkg.applicationInfo.packageName, 5329 pkg.applicationInfo.processName, 5330 pkg.applicationInfo.uid); 5331 5332 File dataPath; 5333 if (mPlatformPackage == pkg) { 5334 // The system package is special. 5335 dataPath = new File(Environment.getDataDirectory(), "system"); 5336 5337 pkg.applicationInfo.dataDir = dataPath.getPath(); 5338 5339 } else { 5340 // This is a normal package, need to make its data directory. 5341 dataPath = getDataPathForPackage(pkg.packageName, 0); 5342 5343 boolean uidError = false; 5344 if (dataPath.exists()) { 5345 int currentUid = 0; 5346 try { 5347 StructStat stat = Os.stat(dataPath.getPath()); 5348 currentUid = stat.st_uid; 5349 } catch (ErrnoException e) { 5350 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5351 } 5352 5353 // If we have mismatched owners for the data path, we have a problem. 5354 if (currentUid != pkg.applicationInfo.uid) { 5355 boolean recovered = false; 5356 if (currentUid == 0) { 5357 // The directory somehow became owned by root. Wow. 5358 // This is probably because the system was stopped while 5359 // installd was in the middle of messing with its libs 5360 // directory. Ask installd to fix that. 5361 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5362 pkg.applicationInfo.uid); 5363 if (ret >= 0) { 5364 recovered = true; 5365 String msg = "Package " + pkg.packageName 5366 + " unexpectedly changed to uid 0; recovered to " + 5367 + pkg.applicationInfo.uid; 5368 reportSettingsProblem(Log.WARN, msg); 5369 } 5370 } 5371 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5372 || (scanFlags&SCAN_BOOTING) != 0)) { 5373 // If this is a system app, we can at least delete its 5374 // current data so the application will still work. 5375 int ret = removeDataDirsLI(pkgName); 5376 if (ret >= 0) { 5377 // TODO: Kill the processes first 5378 // Old data gone! 5379 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5380 ? "System package " : "Third party package "; 5381 String msg = prefix + pkg.packageName 5382 + " has changed from uid: " 5383 + currentUid + " to " 5384 + pkg.applicationInfo.uid + "; old data erased"; 5385 reportSettingsProblem(Log.WARN, msg); 5386 recovered = true; 5387 5388 // And now re-install the app. 5389 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5390 pkg.applicationInfo.seinfo); 5391 if (ret == -1) { 5392 // Ack should not happen! 5393 msg = prefix + pkg.packageName 5394 + " could not have data directory re-created after delete."; 5395 reportSettingsProblem(Log.WARN, msg); 5396 throw new PackageManagerException( 5397 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5398 } 5399 } 5400 if (!recovered) { 5401 mHasSystemUidErrors = true; 5402 } 5403 } else if (!recovered) { 5404 // If we allow this install to proceed, we will be broken. 5405 // Abort, abort! 5406 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5407 "scanPackageLI"); 5408 } 5409 if (!recovered) { 5410 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5411 + pkg.applicationInfo.uid + "/fs_" 5412 + currentUid; 5413 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5414 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5415 String msg = "Package " + pkg.packageName 5416 + " has mismatched uid: " 5417 + currentUid + " on disk, " 5418 + pkg.applicationInfo.uid + " in settings"; 5419 // writer 5420 synchronized (mPackages) { 5421 mSettings.mReadMessages.append(msg); 5422 mSettings.mReadMessages.append('\n'); 5423 uidError = true; 5424 if (!pkgSetting.uidError) { 5425 reportSettingsProblem(Log.ERROR, msg); 5426 } 5427 } 5428 } 5429 } 5430 pkg.applicationInfo.dataDir = dataPath.getPath(); 5431 if (mShouldRestoreconData) { 5432 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5433 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5434 pkg.applicationInfo.uid); 5435 } 5436 } else { 5437 if (DEBUG_PACKAGE_SCANNING) { 5438 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5439 Log.v(TAG, "Want this data dir: " + dataPath); 5440 } 5441 //invoke installer to do the actual installation 5442 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5443 pkg.applicationInfo.seinfo); 5444 if (ret < 0) { 5445 // Error from installer 5446 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5447 "Unable to create data dirs [errorCode=" + ret + "]"); 5448 } 5449 5450 if (dataPath.exists()) { 5451 pkg.applicationInfo.dataDir = dataPath.getPath(); 5452 } else { 5453 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5454 pkg.applicationInfo.dataDir = null; 5455 } 5456 } 5457 5458 pkgSetting.uidError = uidError; 5459 } 5460 5461 final String path = scanFile.getPath(); 5462 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5463 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5464 setBundledAppAbisAndRoots(pkg, pkgSetting); 5465 5466 // If we haven't found any native libraries for the app, check if it has 5467 // renderscript code. We'll need to force the app to 32 bit if it has 5468 // renderscript bitcode. 5469 if (pkg.applicationInfo.primaryCpuAbi == null 5470 && pkg.applicationInfo.secondaryCpuAbi == null 5471 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5472 NativeLibraryHelper.Handle handle = null; 5473 try { 5474 handle = NativeLibraryHelper.Handle.create(scanFile); 5475 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5476 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5477 } 5478 } catch (IOException ioe) { 5479 Slog.w(TAG, "Error scanning system app : " + ioe); 5480 } finally { 5481 IoUtils.closeQuietly(handle); 5482 } 5483 } 5484 5485 setNativeLibraryPaths(pkg); 5486 } else { 5487 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 5488 deriveNonSystemPackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 5489 } else { 5490 // TODO: We need this second call to derive in two cases : 5491 // 5492 // - To update the native library paths based on the final install location. 5493 // - We don't call dexopt when moving packages, and so we have to scan again. 5494 // 5495 // We can simplify this and avoid having to scan the package again by letting 5496 // scanPackageLI know if the current install was a move (and deriving things only 5497 // in that case) and by "reparenting" the native lib directory in the case of 5498 // a normal (non-move) install. 5499 deriveNonSystemPackageAbi(pkg, scanFile, cpuAbiOverride, false /* extract libs */); 5500 } 5501 5502 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5503 final int[] userIds = sUserManager.getUserIds(); 5504 synchronized (mInstallLock) { 5505 // Create a native library symlink only if we have native libraries 5506 // and if the native libraries are 32 bit libraries. We do not provide 5507 // this symlink for 64 bit libraries. 5508 if (pkg.applicationInfo.primaryCpuAbi != null && 5509 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5510 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5511 for (int userId : userIds) { 5512 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5513 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5514 "Failed linking native library dir (user=" + userId + ")"); 5515 } 5516 } 5517 } 5518 } 5519 } 5520 5521 // This is a special case for the "system" package, where the ABI is 5522 // dictated by the zygote configuration (and init.rc). We should keep track 5523 // of this ABI so that we can deal with "normal" applications that run under 5524 // the same UID correctly. 5525 if (mPlatformPackage == pkg) { 5526 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5527 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5528 } 5529 5530 // If there's a mismatch between the abi-override in the package setting 5531 // and the abiOverride specified for the install. Warn about this because we 5532 // would've already compiled the app without taking the package setting into 5533 // account. 5534 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 5535 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 5536 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 5537 " for package: " + pkg.packageName); 5538 } 5539 } 5540 5541 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5542 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5543 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5544 5545 // Copy the derived override back to the parsed package, so that we can 5546 // update the package settings accordingly. 5547 pkg.cpuAbiOverride = cpuAbiOverride; 5548 5549 if (DEBUG_ABI_SELECTION) { 5550 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5551 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5552 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5553 } 5554 5555 // Push the derived path down into PackageSettings so we know what to 5556 // clean up at uninstall time. 5557 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5558 5559 if (DEBUG_ABI_SELECTION) { 5560 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5561 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5562 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5563 } 5564 5565 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5566 // We don't do this here during boot because we can do it all 5567 // at once after scanning all existing packages. 5568 // 5569 // We also do this *before* we perform dexopt on this package, so that 5570 // we can avoid redundant dexopts, and also to make sure we've got the 5571 // code and package path correct. 5572 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5573 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5574 } 5575 5576 if ((scanFlags & SCAN_NO_DEX) == 0) { 5577 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5578 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5579 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5580 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5581 } 5582 } 5583 if (mFactoryTest && pkg.requestedPermissions.contains( 5584 android.Manifest.permission.FACTORY_TEST)) { 5585 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5586 } 5587 5588 ArrayList<PackageParser.Package> clientLibPkgs = null; 5589 5590 // writer 5591 synchronized (mPackages) { 5592 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5593 // Only system apps can add new shared libraries. 5594 if (pkg.libraryNames != null) { 5595 for (int i=0; i<pkg.libraryNames.size(); i++) { 5596 String name = pkg.libraryNames.get(i); 5597 boolean allowed = false; 5598 if (pkg.isUpdatedSystemApp()) { 5599 // New library entries can only be added through the 5600 // system image. This is important to get rid of a lot 5601 // of nasty edge cases: for example if we allowed a non- 5602 // system update of the app to add a library, then uninstalling 5603 // the update would make the library go away, and assumptions 5604 // we made such as through app install filtering would now 5605 // have allowed apps on the device which aren't compatible 5606 // with it. Better to just have the restriction here, be 5607 // conservative, and create many fewer cases that can negatively 5608 // impact the user experience. 5609 final PackageSetting sysPs = mSettings 5610 .getDisabledSystemPkgLPr(pkg.packageName); 5611 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5612 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5613 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5614 allowed = true; 5615 allowed = true; 5616 break; 5617 } 5618 } 5619 } 5620 } else { 5621 allowed = true; 5622 } 5623 if (allowed) { 5624 if (!mSharedLibraries.containsKey(name)) { 5625 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5626 } else if (!name.equals(pkg.packageName)) { 5627 Slog.w(TAG, "Package " + pkg.packageName + " library " 5628 + name + " already exists; skipping"); 5629 } 5630 } else { 5631 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5632 + name + " that is not declared on system image; skipping"); 5633 } 5634 } 5635 if ((scanFlags&SCAN_BOOTING) == 0) { 5636 // If we are not booting, we need to update any applications 5637 // that are clients of our shared library. If we are booting, 5638 // this will all be done once the scan is complete. 5639 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5640 } 5641 } 5642 } 5643 } 5644 5645 // We also need to dexopt any apps that are dependent on this library. Note that 5646 // if these fail, we should abort the install since installing the library will 5647 // result in some apps being broken. 5648 if (clientLibPkgs != null) { 5649 if ((scanFlags & SCAN_NO_DEX) == 0) { 5650 for (int i = 0; i < clientLibPkgs.size(); i++) { 5651 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5652 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5653 null /* instruction sets */, forceDex, 5654 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5655 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5656 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5657 "scanPackageLI failed to dexopt clientLibPkgs"); 5658 } 5659 } 5660 } 5661 } 5662 5663 // Request the ActivityManager to kill the process(only for existing packages) 5664 // so that we do not end up in a confused state while the user is still using the older 5665 // version of the application while the new one gets installed. 5666 if ((scanFlags & SCAN_REPLACING) != 0) { 5667 killApplication(pkg.applicationInfo.packageName, 5668 pkg.applicationInfo.uid, "update pkg"); 5669 } 5670 5671 // Also need to kill any apps that are dependent on the library. 5672 if (clientLibPkgs != null) { 5673 for (int i=0; i<clientLibPkgs.size(); i++) { 5674 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5675 killApplication(clientPkg.applicationInfo.packageName, 5676 clientPkg.applicationInfo.uid, "update lib"); 5677 } 5678 } 5679 5680 // writer 5681 synchronized (mPackages) { 5682 // We don't expect installation to fail beyond this point 5683 5684 // Add the new setting to mSettings 5685 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5686 // Add the new setting to mPackages 5687 mPackages.put(pkg.applicationInfo.packageName, pkg); 5688 // Make sure we don't accidentally delete its data. 5689 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5690 while (iter.hasNext()) { 5691 PackageCleanItem item = iter.next(); 5692 if (pkgName.equals(item.packageName)) { 5693 iter.remove(); 5694 } 5695 } 5696 5697 // Take care of first install / last update times. 5698 if (currentTime != 0) { 5699 if (pkgSetting.firstInstallTime == 0) { 5700 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5701 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5702 pkgSetting.lastUpdateTime = currentTime; 5703 } 5704 } else if (pkgSetting.firstInstallTime == 0) { 5705 // We need *something*. Take time time stamp of the file. 5706 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5707 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5708 if (scanFileTime != pkgSetting.timeStamp) { 5709 // A package on the system image has changed; consider this 5710 // to be an update. 5711 pkgSetting.lastUpdateTime = scanFileTime; 5712 } 5713 } 5714 5715 // Add the package's KeySets to the global KeySetManagerService 5716 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5717 try { 5718 // Old KeySetData no longer valid. 5719 ksms.removeAppKeySetDataLPw(pkg.packageName); 5720 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5721 if (pkg.mKeySetMapping != null) { 5722 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5723 pkg.mKeySetMapping.entrySet()) { 5724 if (entry.getValue() != null) { 5725 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5726 entry.getValue(), entry.getKey()); 5727 } 5728 } 5729 if (pkg.mUpgradeKeySets != null) { 5730 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5731 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5732 } 5733 } 5734 } 5735 } catch (NullPointerException e) { 5736 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5737 } catch (IllegalArgumentException e) { 5738 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5739 } 5740 5741 int N = pkg.providers.size(); 5742 StringBuilder r = null; 5743 int i; 5744 for (i=0; i<N; i++) { 5745 PackageParser.Provider p = pkg.providers.get(i); 5746 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5747 p.info.processName, pkg.applicationInfo.uid); 5748 mProviders.addProvider(p); 5749 p.syncable = p.info.isSyncable; 5750 if (p.info.authority != null) { 5751 String names[] = p.info.authority.split(";"); 5752 p.info.authority = null; 5753 for (int j = 0; j < names.length; j++) { 5754 if (j == 1 && p.syncable) { 5755 // We only want the first authority for a provider to possibly be 5756 // syncable, so if we already added this provider using a different 5757 // authority clear the syncable flag. We copy the provider before 5758 // changing it because the mProviders object contains a reference 5759 // to a provider that we don't want to change. 5760 // Only do this for the second authority since the resulting provider 5761 // object can be the same for all future authorities for this provider. 5762 p = new PackageParser.Provider(p); 5763 p.syncable = false; 5764 } 5765 if (!mProvidersByAuthority.containsKey(names[j])) { 5766 mProvidersByAuthority.put(names[j], p); 5767 if (p.info.authority == null) { 5768 p.info.authority = names[j]; 5769 } else { 5770 p.info.authority = p.info.authority + ";" + names[j]; 5771 } 5772 if (DEBUG_PACKAGE_SCANNING) { 5773 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5774 Log.d(TAG, "Registered content provider: " + names[j] 5775 + ", className = " + p.info.name + ", isSyncable = " 5776 + p.info.isSyncable); 5777 } 5778 } else { 5779 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5780 Slog.w(TAG, "Skipping provider name " + names[j] + 5781 " (in package " + pkg.applicationInfo.packageName + 5782 "): name already used by " 5783 + ((other != null && other.getComponentName() != null) 5784 ? other.getComponentName().getPackageName() : "?")); 5785 } 5786 } 5787 } 5788 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5789 if (r == null) { 5790 r = new StringBuilder(256); 5791 } else { 5792 r.append(' '); 5793 } 5794 r.append(p.info.name); 5795 } 5796 } 5797 if (r != null) { 5798 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5799 } 5800 5801 N = pkg.services.size(); 5802 r = null; 5803 for (i=0; i<N; i++) { 5804 PackageParser.Service s = pkg.services.get(i); 5805 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5806 s.info.processName, pkg.applicationInfo.uid); 5807 mServices.addService(s); 5808 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5809 if (r == null) { 5810 r = new StringBuilder(256); 5811 } else { 5812 r.append(' '); 5813 } 5814 r.append(s.info.name); 5815 } 5816 } 5817 if (r != null) { 5818 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5819 } 5820 5821 N = pkg.receivers.size(); 5822 r = null; 5823 for (i=0; i<N; i++) { 5824 PackageParser.Activity a = pkg.receivers.get(i); 5825 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5826 a.info.processName, pkg.applicationInfo.uid); 5827 mReceivers.addActivity(a, "receiver"); 5828 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5829 if (r == null) { 5830 r = new StringBuilder(256); 5831 } else { 5832 r.append(' '); 5833 } 5834 r.append(a.info.name); 5835 } 5836 } 5837 if (r != null) { 5838 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5839 } 5840 5841 N = pkg.activities.size(); 5842 r = null; 5843 for (i=0; i<N; i++) { 5844 PackageParser.Activity a = pkg.activities.get(i); 5845 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5846 a.info.processName, pkg.applicationInfo.uid); 5847 mActivities.addActivity(a, "activity"); 5848 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5849 if (r == null) { 5850 r = new StringBuilder(256); 5851 } else { 5852 r.append(' '); 5853 } 5854 r.append(a.info.name); 5855 } 5856 } 5857 if (r != null) { 5858 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5859 } 5860 5861 N = pkg.permissionGroups.size(); 5862 r = null; 5863 for (i=0; i<N; i++) { 5864 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5865 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5866 if (cur == null) { 5867 mPermissionGroups.put(pg.info.name, pg); 5868 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5869 if (r == null) { 5870 r = new StringBuilder(256); 5871 } else { 5872 r.append(' '); 5873 } 5874 r.append(pg.info.name); 5875 } 5876 } else { 5877 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5878 + pg.info.packageName + " ignored: original from " 5879 + cur.info.packageName); 5880 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5881 if (r == null) { 5882 r = new StringBuilder(256); 5883 } else { 5884 r.append(' '); 5885 } 5886 r.append("DUP:"); 5887 r.append(pg.info.name); 5888 } 5889 } 5890 } 5891 if (r != null) { 5892 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5893 } 5894 5895 N = pkg.permissions.size(); 5896 r = null; 5897 for (i=0; i<N; i++) { 5898 PackageParser.Permission p = pkg.permissions.get(i); 5899 ArrayMap<String, BasePermission> permissionMap = 5900 p.tree ? mSettings.mPermissionTrees 5901 : mSettings.mPermissions; 5902 p.group = mPermissionGroups.get(p.info.group); 5903 if (p.info.group == null || p.group != null) { 5904 BasePermission bp = permissionMap.get(p.info.name); 5905 5906 // Allow system apps to redefine non-system permissions 5907 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 5908 final boolean currentOwnerIsSystem = (bp.perm != null 5909 && isSystemApp(bp.perm.owner)); 5910 if (isSystemApp(p.owner)) { 5911 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 5912 // It's a built-in permission and no owner, take ownership now 5913 bp.packageSetting = pkgSetting; 5914 bp.perm = p; 5915 bp.uid = pkg.applicationInfo.uid; 5916 bp.sourcePackage = p.info.packageName; 5917 } else if (!currentOwnerIsSystem) { 5918 String msg = "New decl " + p.owner + " of permission " 5919 + p.info.name + " is system; overriding " + bp.sourcePackage; 5920 reportSettingsProblem(Log.WARN, msg); 5921 bp = null; 5922 } 5923 } 5924 } 5925 5926 if (bp == null) { 5927 bp = new BasePermission(p.info.name, p.info.packageName, 5928 BasePermission.TYPE_NORMAL); 5929 permissionMap.put(p.info.name, bp); 5930 } 5931 5932 if (bp.perm == null) { 5933 if (bp.sourcePackage == null 5934 || bp.sourcePackage.equals(p.info.packageName)) { 5935 BasePermission tree = findPermissionTreeLP(p.info.name); 5936 if (tree == null 5937 || tree.sourcePackage.equals(p.info.packageName)) { 5938 bp.packageSetting = pkgSetting; 5939 bp.perm = p; 5940 bp.uid = pkg.applicationInfo.uid; 5941 bp.sourcePackage = p.info.packageName; 5942 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5943 if (r == null) { 5944 r = new StringBuilder(256); 5945 } else { 5946 r.append(' '); 5947 } 5948 r.append(p.info.name); 5949 } 5950 } else { 5951 Slog.w(TAG, "Permission " + p.info.name + " from package " 5952 + p.info.packageName + " ignored: base tree " 5953 + tree.name + " is from package " 5954 + tree.sourcePackage); 5955 } 5956 } else { 5957 Slog.w(TAG, "Permission " + p.info.name + " from package " 5958 + p.info.packageName + " ignored: original from " 5959 + bp.sourcePackage); 5960 } 5961 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5962 if (r == null) { 5963 r = new StringBuilder(256); 5964 } else { 5965 r.append(' '); 5966 } 5967 r.append("DUP:"); 5968 r.append(p.info.name); 5969 } 5970 if (bp.perm == p) { 5971 bp.protectionLevel = p.info.protectionLevel; 5972 } 5973 } else { 5974 Slog.w(TAG, "Permission " + p.info.name + " from package " 5975 + p.info.packageName + " ignored: no group " 5976 + p.group); 5977 } 5978 } 5979 if (r != null) { 5980 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5981 } 5982 5983 N = pkg.instrumentation.size(); 5984 r = null; 5985 for (i=0; i<N; i++) { 5986 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5987 a.info.packageName = pkg.applicationInfo.packageName; 5988 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5989 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5990 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5991 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5992 a.info.dataDir = pkg.applicationInfo.dataDir; 5993 5994 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 5995 // need other information about the application, like the ABI and what not ? 5996 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5997 mInstrumentation.put(a.getComponentName(), a); 5998 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5999 if (r == null) { 6000 r = new StringBuilder(256); 6001 } else { 6002 r.append(' '); 6003 } 6004 r.append(a.info.name); 6005 } 6006 } 6007 if (r != null) { 6008 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6009 } 6010 6011 if (pkg.protectedBroadcasts != null) { 6012 N = pkg.protectedBroadcasts.size(); 6013 for (i=0; i<N; i++) { 6014 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6015 } 6016 } 6017 6018 pkgSetting.setTimeStamp(scanFileTime); 6019 6020 // Create idmap files for pairs of (packages, overlay packages). 6021 // Note: "android", ie framework-res.apk, is handled by native layers. 6022 if (pkg.mOverlayTarget != null) { 6023 // This is an overlay package. 6024 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6025 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6026 mOverlays.put(pkg.mOverlayTarget, 6027 new ArrayMap<String, PackageParser.Package>()); 6028 } 6029 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6030 map.put(pkg.packageName, pkg); 6031 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6032 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6033 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6034 "scanPackageLI failed to createIdmap"); 6035 } 6036 } 6037 } else if (mOverlays.containsKey(pkg.packageName) && 6038 !pkg.packageName.equals("android")) { 6039 // This is a regular package, with one or more known overlay packages. 6040 createIdmapsForPackageLI(pkg); 6041 } 6042 } 6043 6044 return pkg; 6045 } 6046 6047 /** 6048 * Derive the ABI of a non-system package located at {@code scanFile}. This information 6049 * is derived purely on the basis of the contents of {@code scanFile} and 6050 * {@code cpuAbiOverride}. 6051 * 6052 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 6053 */ 6054 public void deriveNonSystemPackageAbi(PackageParser.Package pkg, File scanFile, 6055 String cpuAbiOverride, boolean extractLibs) 6056 throws PackageManagerException { 6057 // TODO: We can probably be smarter about this stuff. For installed apps, 6058 // we can calculate this information at install time once and for all. For 6059 // system apps, we can probably assume that this information doesn't change 6060 // after the first boot scan. As things stand, we do lots of unnecessary work. 6061 6062 // Give ourselves some initial paths; we'll come back for another 6063 // pass once we've determined ABI below. 6064 setNativeLibraryPaths(pkg); 6065 6066 // We would never need to extract libs for forward-locked and external packages, 6067 // since the container service will do it for us. 6068 if (pkg.isForwardLocked() || isExternal(pkg)) { 6069 extractLibs = false; 6070 } 6071 6072 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 6073 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 6074 6075 NativeLibraryHelper.Handle handle = null; 6076 try { 6077 handle = NativeLibraryHelper.Handle.create(scanFile); 6078 // TODO(multiArch): This can be null for apps that didn't go through the 6079 // usual installation process. We can calculate it again, like we 6080 // do during install time. 6081 // 6082 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 6083 // unnecessary. 6084 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 6085 6086 // Null out the abis so that they can be recalculated. 6087 pkg.applicationInfo.primaryCpuAbi = null; 6088 pkg.applicationInfo.secondaryCpuAbi = null; 6089 if (isMultiArch(pkg.applicationInfo)) { 6090 // Warn if we've set an abiOverride for multi-lib packages.. 6091 // By definition, we need to copy both 32 and 64 bit libraries for 6092 // such packages. 6093 if (pkg.cpuAbiOverride != null 6094 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 6095 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 6096 } 6097 6098 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 6099 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 6100 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 6101 if (extractLibs) { 6102 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6103 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 6104 useIsaSpecificSubdirs); 6105 } else { 6106 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 6107 } 6108 } 6109 6110 maybeThrowExceptionForMultiArchCopy( 6111 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 6112 6113 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 6114 if (extractLibs) { 6115 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6116 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 6117 useIsaSpecificSubdirs); 6118 } else { 6119 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 6120 } 6121 } 6122 6123 maybeThrowExceptionForMultiArchCopy( 6124 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 6125 6126 if (abi64 >= 0) { 6127 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 6128 } 6129 6130 if (abi32 >= 0) { 6131 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 6132 if (abi64 >= 0) { 6133 pkg.applicationInfo.secondaryCpuAbi = abi; 6134 } else { 6135 pkg.applicationInfo.primaryCpuAbi = abi; 6136 } 6137 } 6138 } else { 6139 String[] abiList = (cpuAbiOverride != null) ? 6140 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 6141 6142 // Enable gross and lame hacks for apps that are built with old 6143 // SDK tools. We must scan their APKs for renderscript bitcode and 6144 // not launch them if it's present. Don't bother checking on devices 6145 // that don't have 64 bit support. 6146 boolean needsRenderScriptOverride = false; 6147 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 6148 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 6149 abiList = Build.SUPPORTED_32_BIT_ABIS; 6150 needsRenderScriptOverride = true; 6151 } 6152 6153 final int copyRet; 6154 if (extractLibs) { 6155 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6156 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 6157 } else { 6158 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6159 } 6160 6161 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 6162 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6163 "Error unpackaging native libs for app, errorCode=" + copyRet); 6164 } 6165 6166 if (copyRet >= 0) { 6167 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 6168 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 6169 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 6170 } else if (needsRenderScriptOverride) { 6171 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 6172 } 6173 } 6174 } catch (IOException ioe) { 6175 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 6176 } finally { 6177 IoUtils.closeQuietly(handle); 6178 } 6179 6180 // Now that we've calculated the ABIs and determined if it's an internal app, 6181 // we will go ahead and populate the nativeLibraryPath. 6182 setNativeLibraryPaths(pkg); 6183 } 6184 6185 /** 6186 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6187 * i.e, so that all packages can be run inside a single process if required. 6188 * 6189 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6190 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6191 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6192 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6193 * updating a package that belongs to a shared user. 6194 * 6195 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6196 * adds unnecessary complexity. 6197 */ 6198 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6199 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6200 String requiredInstructionSet = null; 6201 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6202 requiredInstructionSet = VMRuntime.getInstructionSet( 6203 scannedPackage.applicationInfo.primaryCpuAbi); 6204 } 6205 6206 PackageSetting requirer = null; 6207 for (PackageSetting ps : packagesForUser) { 6208 // If packagesForUser contains scannedPackage, we skip it. This will happen 6209 // when scannedPackage is an update of an existing package. Without this check, 6210 // we will never be able to change the ABI of any package belonging to a shared 6211 // user, even if it's compatible with other packages. 6212 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6213 if (ps.primaryCpuAbiString == null) { 6214 continue; 6215 } 6216 6217 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6218 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6219 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6220 // this but there's not much we can do. 6221 String errorMessage = "Instruction set mismatch, " 6222 + ((requirer == null) ? "[caller]" : requirer) 6223 + " requires " + requiredInstructionSet + " whereas " + ps 6224 + " requires " + instructionSet; 6225 Slog.w(TAG, errorMessage); 6226 } 6227 6228 if (requiredInstructionSet == null) { 6229 requiredInstructionSet = instructionSet; 6230 requirer = ps; 6231 } 6232 } 6233 } 6234 6235 if (requiredInstructionSet != null) { 6236 String adjustedAbi; 6237 if (requirer != null) { 6238 // requirer != null implies that either scannedPackage was null or that scannedPackage 6239 // did not require an ABI, in which case we have to adjust scannedPackage to match 6240 // the ABI of the set (which is the same as requirer's ABI) 6241 adjustedAbi = requirer.primaryCpuAbiString; 6242 if (scannedPackage != null) { 6243 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6244 } 6245 } else { 6246 // requirer == null implies that we're updating all ABIs in the set to 6247 // match scannedPackage. 6248 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6249 } 6250 6251 for (PackageSetting ps : packagesForUser) { 6252 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6253 if (ps.primaryCpuAbiString != null) { 6254 continue; 6255 } 6256 6257 ps.primaryCpuAbiString = adjustedAbi; 6258 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6259 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6260 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6261 6262 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6263 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6264 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6265 ps.primaryCpuAbiString = null; 6266 ps.pkg.applicationInfo.primaryCpuAbi = null; 6267 return; 6268 } else { 6269 mInstaller.rmdex(ps.codePathString, 6270 getDexCodeInstructionSet(getPreferredInstructionSet())); 6271 } 6272 } 6273 } 6274 } 6275 } 6276 } 6277 6278 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6279 synchronized (mPackages) { 6280 mResolverReplaced = true; 6281 // Set up information for custom user intent resolution activity. 6282 mResolveActivity.applicationInfo = pkg.applicationInfo; 6283 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6284 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6285 mResolveActivity.processName = pkg.applicationInfo.packageName; 6286 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6287 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6288 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6289 mResolveActivity.theme = 0; 6290 mResolveActivity.exported = true; 6291 mResolveActivity.enabled = true; 6292 mResolveInfo.activityInfo = mResolveActivity; 6293 mResolveInfo.priority = 0; 6294 mResolveInfo.preferredOrder = 0; 6295 mResolveInfo.match = 0; 6296 mResolveComponentName = mCustomResolverComponentName; 6297 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6298 mResolveComponentName); 6299 } 6300 } 6301 6302 private static String calculateBundledApkRoot(final String codePathString) { 6303 final File codePath = new File(codePathString); 6304 final File codeRoot; 6305 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6306 codeRoot = Environment.getRootDirectory(); 6307 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6308 codeRoot = Environment.getOemDirectory(); 6309 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6310 codeRoot = Environment.getVendorDirectory(); 6311 } else { 6312 // Unrecognized code path; take its top real segment as the apk root: 6313 // e.g. /something/app/blah.apk => /something 6314 try { 6315 File f = codePath.getCanonicalFile(); 6316 File parent = f.getParentFile(); // non-null because codePath is a file 6317 File tmp; 6318 while ((tmp = parent.getParentFile()) != null) { 6319 f = parent; 6320 parent = tmp; 6321 } 6322 codeRoot = f; 6323 Slog.w(TAG, "Unrecognized code path " 6324 + codePath + " - using " + codeRoot); 6325 } catch (IOException e) { 6326 // Can't canonicalize the code path -- shenanigans? 6327 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6328 return Environment.getRootDirectory().getPath(); 6329 } 6330 } 6331 return codeRoot.getPath(); 6332 } 6333 6334 /** 6335 * Derive and set the location of native libraries for the given package, 6336 * which varies depending on where and how the package was installed. 6337 */ 6338 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6339 final ApplicationInfo info = pkg.applicationInfo; 6340 final String codePath = pkg.codePath; 6341 final File codeFile = new File(codePath); 6342 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 6343 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6344 6345 info.nativeLibraryRootDir = null; 6346 info.nativeLibraryRootRequiresIsa = false; 6347 info.nativeLibraryDir = null; 6348 info.secondaryNativeLibraryDir = null; 6349 6350 if (isApkFile(codeFile)) { 6351 // Monolithic install 6352 if (bundledApp) { 6353 // If "/system/lib64/apkname" exists, assume that is the per-package 6354 // native library directory to use; otherwise use "/system/lib/apkname". 6355 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6356 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6357 getPrimaryInstructionSet(info)); 6358 6359 // This is a bundled system app so choose the path based on the ABI. 6360 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6361 // is just the default path. 6362 final String apkName = deriveCodePathName(codePath); 6363 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6364 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6365 apkName).getAbsolutePath(); 6366 6367 if (info.secondaryCpuAbi != null) { 6368 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6369 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6370 secondaryLibDir, apkName).getAbsolutePath(); 6371 } 6372 } else if (asecApp) { 6373 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6374 .getAbsolutePath(); 6375 } else { 6376 final String apkName = deriveCodePathName(codePath); 6377 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6378 .getAbsolutePath(); 6379 } 6380 6381 info.nativeLibraryRootRequiresIsa = false; 6382 info.nativeLibraryDir = info.nativeLibraryRootDir; 6383 } else { 6384 // Cluster install 6385 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6386 info.nativeLibraryRootRequiresIsa = true; 6387 6388 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6389 getPrimaryInstructionSet(info)).getAbsolutePath(); 6390 6391 if (info.secondaryCpuAbi != null) { 6392 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6393 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6394 } 6395 } 6396 } 6397 6398 /** 6399 * Calculate the abis and roots for a bundled app. These can uniquely 6400 * be determined from the contents of the system partition, i.e whether 6401 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6402 * of this information, and instead assume that the system was built 6403 * sensibly. 6404 */ 6405 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6406 PackageSetting pkgSetting) { 6407 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6408 6409 // If "/system/lib64/apkname" exists, assume that is the per-package 6410 // native library directory to use; otherwise use "/system/lib/apkname". 6411 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6412 setBundledAppAbi(pkg, apkRoot, apkName); 6413 // pkgSetting might be null during rescan following uninstall of updates 6414 // to a bundled app, so accommodate that possibility. The settings in 6415 // that case will be established later from the parsed package. 6416 // 6417 // If the settings aren't null, sync them up with what we've just derived. 6418 // note that apkRoot isn't stored in the package settings. 6419 if (pkgSetting != null) { 6420 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6421 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6422 } 6423 } 6424 6425 /** 6426 * Deduces the ABI of a bundled app and sets the relevant fields on the 6427 * parsed pkg object. 6428 * 6429 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6430 * under which system libraries are installed. 6431 * @param apkName the name of the installed package. 6432 */ 6433 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6434 final File codeFile = new File(pkg.codePath); 6435 6436 final boolean has64BitLibs; 6437 final boolean has32BitLibs; 6438 if (isApkFile(codeFile)) { 6439 // Monolithic install 6440 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6441 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6442 } else { 6443 // Cluster install 6444 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6445 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6446 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6447 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6448 has64BitLibs = (new File(rootDir, isa)).exists(); 6449 } else { 6450 has64BitLibs = false; 6451 } 6452 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6453 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6454 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6455 has32BitLibs = (new File(rootDir, isa)).exists(); 6456 } else { 6457 has32BitLibs = false; 6458 } 6459 } 6460 6461 if (has64BitLibs && !has32BitLibs) { 6462 // The package has 64 bit libs, but not 32 bit libs. Its primary 6463 // ABI should be 64 bit. We can safely assume here that the bundled 6464 // native libraries correspond to the most preferred ABI in the list. 6465 6466 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6467 pkg.applicationInfo.secondaryCpuAbi = null; 6468 } else if (has32BitLibs && !has64BitLibs) { 6469 // The package has 32 bit libs but not 64 bit libs. Its primary 6470 // ABI should be 32 bit. 6471 6472 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6473 pkg.applicationInfo.secondaryCpuAbi = null; 6474 } else if (has32BitLibs && has64BitLibs) { 6475 // The application has both 64 and 32 bit bundled libraries. We check 6476 // here that the app declares multiArch support, and warn if it doesn't. 6477 // 6478 // We will be lenient here and record both ABIs. The primary will be the 6479 // ABI that's higher on the list, i.e, a device that's configured to prefer 6480 // 64 bit apps will see a 64 bit primary ABI, 6481 6482 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6483 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6484 } 6485 6486 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6487 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6488 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6489 } else { 6490 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6491 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6492 } 6493 } else { 6494 pkg.applicationInfo.primaryCpuAbi = null; 6495 pkg.applicationInfo.secondaryCpuAbi = null; 6496 } 6497 } 6498 6499 private void killApplication(String pkgName, int appId, String reason) { 6500 // Request the ActivityManager to kill the process(only for existing packages) 6501 // so that we do not end up in a confused state while the user is still using the older 6502 // version of the application while the new one gets installed. 6503 IActivityManager am = ActivityManagerNative.getDefault(); 6504 if (am != null) { 6505 try { 6506 am.killApplicationWithAppId(pkgName, appId, reason); 6507 } catch (RemoteException e) { 6508 } 6509 } 6510 } 6511 6512 void removePackageLI(PackageSetting ps, boolean chatty) { 6513 if (DEBUG_INSTALL) { 6514 if (chatty) 6515 Log.d(TAG, "Removing package " + ps.name); 6516 } 6517 6518 // writer 6519 synchronized (mPackages) { 6520 mPackages.remove(ps.name); 6521 final PackageParser.Package pkg = ps.pkg; 6522 if (pkg != null) { 6523 cleanPackageDataStructuresLILPw(pkg, chatty); 6524 } 6525 } 6526 } 6527 6528 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6529 if (DEBUG_INSTALL) { 6530 if (chatty) 6531 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6532 } 6533 6534 // writer 6535 synchronized (mPackages) { 6536 mPackages.remove(pkg.applicationInfo.packageName); 6537 cleanPackageDataStructuresLILPw(pkg, chatty); 6538 } 6539 } 6540 6541 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6542 int N = pkg.providers.size(); 6543 StringBuilder r = null; 6544 int i; 6545 for (i=0; i<N; i++) { 6546 PackageParser.Provider p = pkg.providers.get(i); 6547 mProviders.removeProvider(p); 6548 if (p.info.authority == null) { 6549 6550 /* There was another ContentProvider with this authority when 6551 * this app was installed so this authority is null, 6552 * Ignore it as we don't have to unregister the provider. 6553 */ 6554 continue; 6555 } 6556 String names[] = p.info.authority.split(";"); 6557 for (int j = 0; j < names.length; j++) { 6558 if (mProvidersByAuthority.get(names[j]) == p) { 6559 mProvidersByAuthority.remove(names[j]); 6560 if (DEBUG_REMOVE) { 6561 if (chatty) 6562 Log.d(TAG, "Unregistered content provider: " + names[j] 6563 + ", className = " + p.info.name + ", isSyncable = " 6564 + p.info.isSyncable); 6565 } 6566 } 6567 } 6568 if (DEBUG_REMOVE && chatty) { 6569 if (r == null) { 6570 r = new StringBuilder(256); 6571 } else { 6572 r.append(' '); 6573 } 6574 r.append(p.info.name); 6575 } 6576 } 6577 if (r != null) { 6578 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6579 } 6580 6581 N = pkg.services.size(); 6582 r = null; 6583 for (i=0; i<N; i++) { 6584 PackageParser.Service s = pkg.services.get(i); 6585 mServices.removeService(s); 6586 if (chatty) { 6587 if (r == null) { 6588 r = new StringBuilder(256); 6589 } else { 6590 r.append(' '); 6591 } 6592 r.append(s.info.name); 6593 } 6594 } 6595 if (r != null) { 6596 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6597 } 6598 6599 N = pkg.receivers.size(); 6600 r = null; 6601 for (i=0; i<N; i++) { 6602 PackageParser.Activity a = pkg.receivers.get(i); 6603 mReceivers.removeActivity(a, "receiver"); 6604 if (DEBUG_REMOVE && chatty) { 6605 if (r == null) { 6606 r = new StringBuilder(256); 6607 } else { 6608 r.append(' '); 6609 } 6610 r.append(a.info.name); 6611 } 6612 } 6613 if (r != null) { 6614 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6615 } 6616 6617 N = pkg.activities.size(); 6618 r = null; 6619 for (i=0; i<N; i++) { 6620 PackageParser.Activity a = pkg.activities.get(i); 6621 mActivities.removeActivity(a, "activity"); 6622 if (DEBUG_REMOVE && chatty) { 6623 if (r == null) { 6624 r = new StringBuilder(256); 6625 } else { 6626 r.append(' '); 6627 } 6628 r.append(a.info.name); 6629 } 6630 } 6631 if (r != null) { 6632 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6633 } 6634 6635 N = pkg.permissions.size(); 6636 r = null; 6637 for (i=0; i<N; i++) { 6638 PackageParser.Permission p = pkg.permissions.get(i); 6639 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6640 if (bp == null) { 6641 bp = mSettings.mPermissionTrees.get(p.info.name); 6642 } 6643 if (bp != null && bp.perm == p) { 6644 bp.perm = null; 6645 if (DEBUG_REMOVE && chatty) { 6646 if (r == null) { 6647 r = new StringBuilder(256); 6648 } else { 6649 r.append(' '); 6650 } 6651 r.append(p.info.name); 6652 } 6653 } 6654 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6655 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6656 if (appOpPerms != null) { 6657 appOpPerms.remove(pkg.packageName); 6658 } 6659 } 6660 } 6661 if (r != null) { 6662 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6663 } 6664 6665 N = pkg.requestedPermissions.size(); 6666 r = null; 6667 for (i=0; i<N; i++) { 6668 String perm = pkg.requestedPermissions.get(i); 6669 BasePermission bp = mSettings.mPermissions.get(perm); 6670 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6671 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6672 if (appOpPerms != null) { 6673 appOpPerms.remove(pkg.packageName); 6674 if (appOpPerms.isEmpty()) { 6675 mAppOpPermissionPackages.remove(perm); 6676 } 6677 } 6678 } 6679 } 6680 if (r != null) { 6681 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6682 } 6683 6684 N = pkg.instrumentation.size(); 6685 r = null; 6686 for (i=0; i<N; i++) { 6687 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6688 mInstrumentation.remove(a.getComponentName()); 6689 if (DEBUG_REMOVE && chatty) { 6690 if (r == null) { 6691 r = new StringBuilder(256); 6692 } else { 6693 r.append(' '); 6694 } 6695 r.append(a.info.name); 6696 } 6697 } 6698 if (r != null) { 6699 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6700 } 6701 6702 r = null; 6703 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6704 // Only system apps can hold shared libraries. 6705 if (pkg.libraryNames != null) { 6706 for (i=0; i<pkg.libraryNames.size(); i++) { 6707 String name = pkg.libraryNames.get(i); 6708 SharedLibraryEntry cur = mSharedLibraries.get(name); 6709 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6710 mSharedLibraries.remove(name); 6711 if (DEBUG_REMOVE && chatty) { 6712 if (r == null) { 6713 r = new StringBuilder(256); 6714 } else { 6715 r.append(' '); 6716 } 6717 r.append(name); 6718 } 6719 } 6720 } 6721 } 6722 } 6723 if (r != null) { 6724 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6725 } 6726 } 6727 6728 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6729 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6730 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6731 return true; 6732 } 6733 } 6734 return false; 6735 } 6736 6737 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6738 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6739 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6740 6741 private void updatePermissionsLPw(String changingPkg, 6742 PackageParser.Package pkgInfo, int flags) { 6743 // Make sure there are no dangling permission trees. 6744 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6745 while (it.hasNext()) { 6746 final BasePermission bp = it.next(); 6747 if (bp.packageSetting == null) { 6748 // We may not yet have parsed the package, so just see if 6749 // we still know about its settings. 6750 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6751 } 6752 if (bp.packageSetting == null) { 6753 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6754 + " from package " + bp.sourcePackage); 6755 it.remove(); 6756 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6757 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6758 Slog.i(TAG, "Removing old permission tree: " + bp.name 6759 + " from package " + bp.sourcePackage); 6760 flags |= UPDATE_PERMISSIONS_ALL; 6761 it.remove(); 6762 } 6763 } 6764 } 6765 6766 // Make sure all dynamic permissions have been assigned to a package, 6767 // and make sure there are no dangling permissions. 6768 it = mSettings.mPermissions.values().iterator(); 6769 while (it.hasNext()) { 6770 final BasePermission bp = it.next(); 6771 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6772 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6773 + bp.name + " pkg=" + bp.sourcePackage 6774 + " info=" + bp.pendingInfo); 6775 if (bp.packageSetting == null && bp.pendingInfo != null) { 6776 final BasePermission tree = findPermissionTreeLP(bp.name); 6777 if (tree != null && tree.perm != null) { 6778 bp.packageSetting = tree.packageSetting; 6779 bp.perm = new PackageParser.Permission(tree.perm.owner, 6780 new PermissionInfo(bp.pendingInfo)); 6781 bp.perm.info.packageName = tree.perm.info.packageName; 6782 bp.perm.info.name = bp.name; 6783 bp.uid = tree.uid; 6784 } 6785 } 6786 } 6787 if (bp.packageSetting == null) { 6788 // We may not yet have parsed the package, so just see if 6789 // we still know about its settings. 6790 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6791 } 6792 if (bp.packageSetting == null) { 6793 Slog.w(TAG, "Removing dangling permission: " + bp.name 6794 + " from package " + bp.sourcePackage); 6795 it.remove(); 6796 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6797 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6798 Slog.i(TAG, "Removing old permission: " + bp.name 6799 + " from package " + bp.sourcePackage); 6800 flags |= UPDATE_PERMISSIONS_ALL; 6801 it.remove(); 6802 } 6803 } 6804 } 6805 6806 // Now update the permissions for all packages, in particular 6807 // replace the granted permissions of the system packages. 6808 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6809 for (PackageParser.Package pkg : mPackages.values()) { 6810 if (pkg != pkgInfo) { 6811 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6812 changingPkg); 6813 } 6814 } 6815 } 6816 6817 if (pkgInfo != null) { 6818 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6819 } 6820 } 6821 6822 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6823 String packageOfInterest) { 6824 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6825 if (ps == null) { 6826 return; 6827 } 6828 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6829 ArraySet<String> origPermissions = gp.grantedPermissions; 6830 boolean changedPermission = false; 6831 6832 if (replace) { 6833 ps.permissionsFixed = false; 6834 if (gp == ps) { 6835 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6836 gp.grantedPermissions.clear(); 6837 gp.gids = mGlobalGids; 6838 } 6839 } 6840 6841 if (gp.gids == null) { 6842 gp.gids = mGlobalGids; 6843 } 6844 6845 final int N = pkg.requestedPermissions.size(); 6846 for (int i=0; i<N; i++) { 6847 final String name = pkg.requestedPermissions.get(i); 6848 final boolean required = pkg.requestedPermissionsRequired.get(i); 6849 final BasePermission bp = mSettings.mPermissions.get(name); 6850 if (DEBUG_INSTALL) { 6851 if (gp != ps) { 6852 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6853 } 6854 } 6855 6856 if (bp == null || bp.packageSetting == null) { 6857 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6858 Slog.w(TAG, "Unknown permission " + name 6859 + " in package " + pkg.packageName); 6860 } 6861 continue; 6862 } 6863 6864 final String perm = bp.name; 6865 boolean allowed; 6866 boolean allowedSig = false; 6867 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6868 // Keep track of app op permissions. 6869 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6870 if (pkgs == null) { 6871 pkgs = new ArraySet<>(); 6872 mAppOpPermissionPackages.put(bp.name, pkgs); 6873 } 6874 pkgs.add(pkg.packageName); 6875 } 6876 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6877 if (level == PermissionInfo.PROTECTION_NORMAL 6878 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6879 // We grant a normal or dangerous permission if any of the following 6880 // are true: 6881 // 1) The permission is required 6882 // 2) The permission is optional, but was granted in the past 6883 // 3) The permission is optional, but was requested by an 6884 // app in /system (not /data) 6885 // 6886 // Otherwise, reject the permission. 6887 allowed = (required || origPermissions.contains(perm) 6888 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6889 } else if (bp.packageSetting == null) { 6890 // This permission is invalid; skip it. 6891 allowed = false; 6892 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6893 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6894 if (allowed) { 6895 allowedSig = true; 6896 } 6897 } else { 6898 allowed = false; 6899 } 6900 if (DEBUG_INSTALL) { 6901 if (gp != ps) { 6902 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6903 } 6904 } 6905 if (allowed) { 6906 if (!isSystemApp(ps) && ps.permissionsFixed) { 6907 // If this is an existing, non-system package, then 6908 // we can't add any new permissions to it. 6909 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6910 // Except... if this is a permission that was added 6911 // to the platform (note: need to only do this when 6912 // updating the platform). 6913 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6914 } 6915 } 6916 if (allowed) { 6917 if (!gp.grantedPermissions.contains(perm)) { 6918 changedPermission = true; 6919 gp.grantedPermissions.add(perm); 6920 gp.gids = appendInts(gp.gids, bp.gids); 6921 } else if (!ps.haveGids) { 6922 gp.gids = appendInts(gp.gids, bp.gids); 6923 } 6924 } else { 6925 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6926 Slog.w(TAG, "Not granting permission " + perm 6927 + " to package " + pkg.packageName 6928 + " because it was previously installed without"); 6929 } 6930 } 6931 } else { 6932 if (gp.grantedPermissions.remove(perm)) { 6933 changedPermission = true; 6934 gp.gids = removeInts(gp.gids, bp.gids); 6935 Slog.i(TAG, "Un-granting permission " + perm 6936 + " from package " + pkg.packageName 6937 + " (protectionLevel=" + bp.protectionLevel 6938 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6939 + ")"); 6940 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6941 // Don't print warning for app op permissions, since it is fine for them 6942 // not to be granted, there is a UI for the user to decide. 6943 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6944 Slog.w(TAG, "Not granting permission " + perm 6945 + " to package " + pkg.packageName 6946 + " (protectionLevel=" + bp.protectionLevel 6947 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6948 + ")"); 6949 } 6950 } 6951 } 6952 } 6953 6954 if ((changedPermission || replace) && !ps.permissionsFixed && 6955 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6956 // This is the first that we have heard about this package, so the 6957 // permissions we have now selected are fixed until explicitly 6958 // changed. 6959 ps.permissionsFixed = true; 6960 } 6961 ps.haveGids = true; 6962 } 6963 6964 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6965 boolean allowed = false; 6966 final int NP = PackageParser.NEW_PERMISSIONS.length; 6967 for (int ip=0; ip<NP; ip++) { 6968 final PackageParser.NewPermissionInfo npi 6969 = PackageParser.NEW_PERMISSIONS[ip]; 6970 if (npi.name.equals(perm) 6971 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6972 allowed = true; 6973 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6974 + pkg.packageName); 6975 break; 6976 } 6977 } 6978 return allowed; 6979 } 6980 6981 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6982 BasePermission bp, ArraySet<String> origPermissions) { 6983 boolean allowed; 6984 allowed = (compareSignatures( 6985 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6986 == PackageManager.SIGNATURE_MATCH) 6987 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6988 == PackageManager.SIGNATURE_MATCH); 6989 if (!allowed && (bp.protectionLevel 6990 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6991 if (isSystemApp(pkg)) { 6992 // For updated system applications, a system permission 6993 // is granted only if it had been defined by the original application. 6994 if (pkg.isUpdatedSystemApp()) { 6995 final PackageSetting sysPs = mSettings 6996 .getDisabledSystemPkgLPr(pkg.packageName); 6997 final GrantedPermissions origGp = sysPs.sharedUser != null 6998 ? sysPs.sharedUser : sysPs; 6999 7000 if (origGp.grantedPermissions.contains(perm)) { 7001 // If the original was granted this permission, we take 7002 // that grant decision as read and propagate it to the 7003 // update. 7004 if (sysPs.isPrivileged()) { 7005 allowed = true; 7006 } 7007 } else { 7008 // The system apk may have been updated with an older 7009 // version of the one on the data partition, but which 7010 // granted a new system permission that it didn't have 7011 // before. In this case we do want to allow the app to 7012 // now get the new permission if the ancestral apk is 7013 // privileged to get it. 7014 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7015 for (int j=0; 7016 j<sysPs.pkg.requestedPermissions.size(); j++) { 7017 if (perm.equals( 7018 sysPs.pkg.requestedPermissions.get(j))) { 7019 allowed = true; 7020 break; 7021 } 7022 } 7023 } 7024 } 7025 } else { 7026 allowed = isPrivilegedApp(pkg); 7027 } 7028 } 7029 } 7030 if (!allowed && (bp.protectionLevel 7031 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7032 // For development permissions, a development permission 7033 // is granted only if it was already granted. 7034 allowed = origPermissions.contains(perm); 7035 } 7036 return allowed; 7037 } 7038 7039 final class ActivityIntentResolver 7040 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7041 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7042 boolean defaultOnly, int userId) { 7043 if (!sUserManager.exists(userId)) return null; 7044 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7045 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7046 } 7047 7048 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7049 int userId) { 7050 if (!sUserManager.exists(userId)) return null; 7051 mFlags = flags; 7052 return super.queryIntent(intent, resolvedType, 7053 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7054 } 7055 7056 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7057 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7058 if (!sUserManager.exists(userId)) return null; 7059 if (packageActivities == null) { 7060 return null; 7061 } 7062 mFlags = flags; 7063 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7064 final int N = packageActivities.size(); 7065 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7066 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7067 7068 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7069 for (int i = 0; i < N; ++i) { 7070 intentFilters = packageActivities.get(i).intents; 7071 if (intentFilters != null && intentFilters.size() > 0) { 7072 PackageParser.ActivityIntentInfo[] array = 7073 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7074 intentFilters.toArray(array); 7075 listCut.add(array); 7076 } 7077 } 7078 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7079 } 7080 7081 public final void addActivity(PackageParser.Activity a, String type) { 7082 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 7083 mActivities.put(a.getComponentName(), a); 7084 if (DEBUG_SHOW_INFO) 7085 Log.v( 7086 TAG, " " + type + " " + 7087 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7088 if (DEBUG_SHOW_INFO) 7089 Log.v(TAG, " Class=" + a.info.name); 7090 final int NI = a.intents.size(); 7091 for (int j=0; j<NI; j++) { 7092 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7093 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7094 intent.setPriority(0); 7095 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7096 + a.className + " with priority > 0, forcing to 0"); 7097 } 7098 if (DEBUG_SHOW_INFO) { 7099 Log.v(TAG, " IntentFilter:"); 7100 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7101 } 7102 if (!intent.debugCheck()) { 7103 Log.w(TAG, "==> For Activity " + a.info.name); 7104 } 7105 addFilter(intent); 7106 } 7107 } 7108 7109 public final void removeActivity(PackageParser.Activity a, String type) { 7110 mActivities.remove(a.getComponentName()); 7111 if (DEBUG_SHOW_INFO) { 7112 Log.v(TAG, " " + type + " " 7113 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7114 : a.info.name) + ":"); 7115 Log.v(TAG, " Class=" + a.info.name); 7116 } 7117 final int NI = a.intents.size(); 7118 for (int j=0; j<NI; j++) { 7119 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7120 if (DEBUG_SHOW_INFO) { 7121 Log.v(TAG, " IntentFilter:"); 7122 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7123 } 7124 removeFilter(intent); 7125 } 7126 } 7127 7128 @Override 7129 protected boolean allowFilterResult( 7130 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7131 ActivityInfo filterAi = filter.activity.info; 7132 for (int i=dest.size()-1; i>=0; i--) { 7133 ActivityInfo destAi = dest.get(i).activityInfo; 7134 if (destAi.name == filterAi.name 7135 && destAi.packageName == filterAi.packageName) { 7136 return false; 7137 } 7138 } 7139 return true; 7140 } 7141 7142 @Override 7143 protected ActivityIntentInfo[] newArray(int size) { 7144 return new ActivityIntentInfo[size]; 7145 } 7146 7147 @Override 7148 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7149 if (!sUserManager.exists(userId)) return true; 7150 PackageParser.Package p = filter.activity.owner; 7151 if (p != null) { 7152 PackageSetting ps = (PackageSetting)p.mExtras; 7153 if (ps != null) { 7154 // System apps are never considered stopped for purposes of 7155 // filtering, because there may be no way for the user to 7156 // actually re-launch them. 7157 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7158 && ps.getStopped(userId); 7159 } 7160 } 7161 return false; 7162 } 7163 7164 @Override 7165 protected boolean isPackageForFilter(String packageName, 7166 PackageParser.ActivityIntentInfo info) { 7167 return packageName.equals(info.activity.owner.packageName); 7168 } 7169 7170 @Override 7171 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7172 int match, int userId) { 7173 if (!sUserManager.exists(userId)) return null; 7174 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7175 return null; 7176 } 7177 final PackageParser.Activity activity = info.activity; 7178 if (mSafeMode && (activity.info.applicationInfo.flags 7179 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7180 return null; 7181 } 7182 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7183 if (ps == null) { 7184 return null; 7185 } 7186 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7187 ps.readUserState(userId), userId); 7188 if (ai == null) { 7189 return null; 7190 } 7191 final ResolveInfo res = new ResolveInfo(); 7192 res.activityInfo = ai; 7193 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7194 res.filter = info; 7195 } 7196 res.priority = info.getPriority(); 7197 res.preferredOrder = activity.owner.mPreferredOrder; 7198 //System.out.println("Result: " + res.activityInfo.className + 7199 // " = " + res.priority); 7200 res.match = match; 7201 res.isDefault = info.hasDefault; 7202 res.labelRes = info.labelRes; 7203 res.nonLocalizedLabel = info.nonLocalizedLabel; 7204 if (userNeedsBadging(userId)) { 7205 res.noResourceId = true; 7206 } else { 7207 res.icon = info.icon; 7208 } 7209 res.system = res.activityInfo.applicationInfo.isSystemApp(); 7210 return res; 7211 } 7212 7213 @Override 7214 protected void sortResults(List<ResolveInfo> results) { 7215 Collections.sort(results, mResolvePrioritySorter); 7216 } 7217 7218 @Override 7219 protected void dumpFilter(PrintWriter out, String prefix, 7220 PackageParser.ActivityIntentInfo filter) { 7221 out.print(prefix); out.print( 7222 Integer.toHexString(System.identityHashCode(filter.activity))); 7223 out.print(' '); 7224 filter.activity.printComponentShortName(out); 7225 out.print(" filter "); 7226 out.println(Integer.toHexString(System.identityHashCode(filter))); 7227 } 7228 7229 @Override 7230 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7231 return filter.activity; 7232 } 7233 7234 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7235 PackageParser.Activity activity = (PackageParser.Activity)label; 7236 out.print(prefix); out.print( 7237 Integer.toHexString(System.identityHashCode(activity))); 7238 out.print(' '); 7239 activity.printComponentShortName(out); 7240 if (count > 1) { 7241 out.print(" ("); out.print(count); out.print(" filters)"); 7242 } 7243 out.println(); 7244 } 7245 7246// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7247// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7248// final List<ResolveInfo> retList = Lists.newArrayList(); 7249// while (i.hasNext()) { 7250// final ResolveInfo resolveInfo = i.next(); 7251// if (isEnabledLP(resolveInfo.activityInfo)) { 7252// retList.add(resolveInfo); 7253// } 7254// } 7255// return retList; 7256// } 7257 7258 // Keys are String (activity class name), values are Activity. 7259 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7260 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7261 private int mFlags; 7262 } 7263 7264 private final class ServiceIntentResolver 7265 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7266 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7267 boolean defaultOnly, int userId) { 7268 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7269 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7270 } 7271 7272 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7273 int userId) { 7274 if (!sUserManager.exists(userId)) return null; 7275 mFlags = flags; 7276 return super.queryIntent(intent, resolvedType, 7277 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7278 } 7279 7280 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7281 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7282 if (!sUserManager.exists(userId)) return null; 7283 if (packageServices == null) { 7284 return null; 7285 } 7286 mFlags = flags; 7287 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7288 final int N = packageServices.size(); 7289 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7290 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7291 7292 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7293 for (int i = 0; i < N; ++i) { 7294 intentFilters = packageServices.get(i).intents; 7295 if (intentFilters != null && intentFilters.size() > 0) { 7296 PackageParser.ServiceIntentInfo[] array = 7297 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7298 intentFilters.toArray(array); 7299 listCut.add(array); 7300 } 7301 } 7302 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7303 } 7304 7305 public final void addService(PackageParser.Service s) { 7306 mServices.put(s.getComponentName(), s); 7307 if (DEBUG_SHOW_INFO) { 7308 Log.v(TAG, " " 7309 + (s.info.nonLocalizedLabel != null 7310 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7311 Log.v(TAG, " Class=" + s.info.name); 7312 } 7313 final int NI = s.intents.size(); 7314 int j; 7315 for (j=0; j<NI; j++) { 7316 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7317 if (DEBUG_SHOW_INFO) { 7318 Log.v(TAG, " IntentFilter:"); 7319 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7320 } 7321 if (!intent.debugCheck()) { 7322 Log.w(TAG, "==> For Service " + s.info.name); 7323 } 7324 addFilter(intent); 7325 } 7326 } 7327 7328 public final void removeService(PackageParser.Service s) { 7329 mServices.remove(s.getComponentName()); 7330 if (DEBUG_SHOW_INFO) { 7331 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7332 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7333 Log.v(TAG, " Class=" + s.info.name); 7334 } 7335 final int NI = s.intents.size(); 7336 int j; 7337 for (j=0; j<NI; j++) { 7338 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7339 if (DEBUG_SHOW_INFO) { 7340 Log.v(TAG, " IntentFilter:"); 7341 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7342 } 7343 removeFilter(intent); 7344 } 7345 } 7346 7347 @Override 7348 protected boolean allowFilterResult( 7349 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7350 ServiceInfo filterSi = filter.service.info; 7351 for (int i=dest.size()-1; i>=0; i--) { 7352 ServiceInfo destAi = dest.get(i).serviceInfo; 7353 if (destAi.name == filterSi.name 7354 && destAi.packageName == filterSi.packageName) { 7355 return false; 7356 } 7357 } 7358 return true; 7359 } 7360 7361 @Override 7362 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7363 return new PackageParser.ServiceIntentInfo[size]; 7364 } 7365 7366 @Override 7367 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7368 if (!sUserManager.exists(userId)) return true; 7369 PackageParser.Package p = filter.service.owner; 7370 if (p != null) { 7371 PackageSetting ps = (PackageSetting)p.mExtras; 7372 if (ps != null) { 7373 // System apps are never considered stopped for purposes of 7374 // filtering, because there may be no way for the user to 7375 // actually re-launch them. 7376 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7377 && ps.getStopped(userId); 7378 } 7379 } 7380 return false; 7381 } 7382 7383 @Override 7384 protected boolean isPackageForFilter(String packageName, 7385 PackageParser.ServiceIntentInfo info) { 7386 return packageName.equals(info.service.owner.packageName); 7387 } 7388 7389 @Override 7390 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7391 int match, int userId) { 7392 if (!sUserManager.exists(userId)) return null; 7393 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7394 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7395 return null; 7396 } 7397 final PackageParser.Service service = info.service; 7398 if (mSafeMode && (service.info.applicationInfo.flags 7399 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7400 return null; 7401 } 7402 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7403 if (ps == null) { 7404 return null; 7405 } 7406 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7407 ps.readUserState(userId), userId); 7408 if (si == null) { 7409 return null; 7410 } 7411 final ResolveInfo res = new ResolveInfo(); 7412 res.serviceInfo = si; 7413 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7414 res.filter = filter; 7415 } 7416 res.priority = info.getPriority(); 7417 res.preferredOrder = service.owner.mPreferredOrder; 7418 //System.out.println("Result: " + res.activityInfo.className + 7419 // " = " + res.priority); 7420 res.match = match; 7421 res.isDefault = info.hasDefault; 7422 res.labelRes = info.labelRes; 7423 res.nonLocalizedLabel = info.nonLocalizedLabel; 7424 res.icon = info.icon; 7425 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 7426 return res; 7427 } 7428 7429 @Override 7430 protected void sortResults(List<ResolveInfo> results) { 7431 Collections.sort(results, mResolvePrioritySorter); 7432 } 7433 7434 @Override 7435 protected void dumpFilter(PrintWriter out, String prefix, 7436 PackageParser.ServiceIntentInfo filter) { 7437 out.print(prefix); out.print( 7438 Integer.toHexString(System.identityHashCode(filter.service))); 7439 out.print(' '); 7440 filter.service.printComponentShortName(out); 7441 out.print(" filter "); 7442 out.println(Integer.toHexString(System.identityHashCode(filter))); 7443 } 7444 7445 @Override 7446 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7447 return filter.service; 7448 } 7449 7450 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7451 PackageParser.Service service = (PackageParser.Service)label; 7452 out.print(prefix); out.print( 7453 Integer.toHexString(System.identityHashCode(service))); 7454 out.print(' '); 7455 service.printComponentShortName(out); 7456 if (count > 1) { 7457 out.print(" ("); out.print(count); out.print(" filters)"); 7458 } 7459 out.println(); 7460 } 7461 7462// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7463// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7464// final List<ResolveInfo> retList = Lists.newArrayList(); 7465// while (i.hasNext()) { 7466// final ResolveInfo resolveInfo = (ResolveInfo) i; 7467// if (isEnabledLP(resolveInfo.serviceInfo)) { 7468// retList.add(resolveInfo); 7469// } 7470// } 7471// return retList; 7472// } 7473 7474 // Keys are String (activity class name), values are Activity. 7475 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7476 = new ArrayMap<ComponentName, PackageParser.Service>(); 7477 private int mFlags; 7478 }; 7479 7480 private final class ProviderIntentResolver 7481 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7482 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7483 boolean defaultOnly, int userId) { 7484 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7485 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7486 } 7487 7488 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7489 int userId) { 7490 if (!sUserManager.exists(userId)) 7491 return null; 7492 mFlags = flags; 7493 return super.queryIntent(intent, resolvedType, 7494 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7495 } 7496 7497 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7498 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7499 if (!sUserManager.exists(userId)) 7500 return null; 7501 if (packageProviders == null) { 7502 return null; 7503 } 7504 mFlags = flags; 7505 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7506 final int N = packageProviders.size(); 7507 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7508 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7509 7510 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7511 for (int i = 0; i < N; ++i) { 7512 intentFilters = packageProviders.get(i).intents; 7513 if (intentFilters != null && intentFilters.size() > 0) { 7514 PackageParser.ProviderIntentInfo[] array = 7515 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7516 intentFilters.toArray(array); 7517 listCut.add(array); 7518 } 7519 } 7520 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7521 } 7522 7523 public final void addProvider(PackageParser.Provider p) { 7524 if (mProviders.containsKey(p.getComponentName())) { 7525 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7526 return; 7527 } 7528 7529 mProviders.put(p.getComponentName(), p); 7530 if (DEBUG_SHOW_INFO) { 7531 Log.v(TAG, " " 7532 + (p.info.nonLocalizedLabel != null 7533 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7534 Log.v(TAG, " Class=" + p.info.name); 7535 } 7536 final int NI = p.intents.size(); 7537 int j; 7538 for (j = 0; j < NI; j++) { 7539 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7540 if (DEBUG_SHOW_INFO) { 7541 Log.v(TAG, " IntentFilter:"); 7542 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7543 } 7544 if (!intent.debugCheck()) { 7545 Log.w(TAG, "==> For Provider " + p.info.name); 7546 } 7547 addFilter(intent); 7548 } 7549 } 7550 7551 public final void removeProvider(PackageParser.Provider p) { 7552 mProviders.remove(p.getComponentName()); 7553 if (DEBUG_SHOW_INFO) { 7554 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7555 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7556 Log.v(TAG, " Class=" + p.info.name); 7557 } 7558 final int NI = p.intents.size(); 7559 int j; 7560 for (j = 0; j < NI; j++) { 7561 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7562 if (DEBUG_SHOW_INFO) { 7563 Log.v(TAG, " IntentFilter:"); 7564 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7565 } 7566 removeFilter(intent); 7567 } 7568 } 7569 7570 @Override 7571 protected boolean allowFilterResult( 7572 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7573 ProviderInfo filterPi = filter.provider.info; 7574 for (int i = dest.size() - 1; i >= 0; i--) { 7575 ProviderInfo destPi = dest.get(i).providerInfo; 7576 if (destPi.name == filterPi.name 7577 && destPi.packageName == filterPi.packageName) { 7578 return false; 7579 } 7580 } 7581 return true; 7582 } 7583 7584 @Override 7585 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7586 return new PackageParser.ProviderIntentInfo[size]; 7587 } 7588 7589 @Override 7590 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7591 if (!sUserManager.exists(userId)) 7592 return true; 7593 PackageParser.Package p = filter.provider.owner; 7594 if (p != null) { 7595 PackageSetting ps = (PackageSetting) p.mExtras; 7596 if (ps != null) { 7597 // System apps are never considered stopped for purposes of 7598 // filtering, because there may be no way for the user to 7599 // actually re-launch them. 7600 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7601 && ps.getStopped(userId); 7602 } 7603 } 7604 return false; 7605 } 7606 7607 @Override 7608 protected boolean isPackageForFilter(String packageName, 7609 PackageParser.ProviderIntentInfo info) { 7610 return packageName.equals(info.provider.owner.packageName); 7611 } 7612 7613 @Override 7614 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7615 int match, int userId) { 7616 if (!sUserManager.exists(userId)) 7617 return null; 7618 final PackageParser.ProviderIntentInfo info = filter; 7619 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7620 return null; 7621 } 7622 final PackageParser.Provider provider = info.provider; 7623 if (mSafeMode && (provider.info.applicationInfo.flags 7624 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7625 return null; 7626 } 7627 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7628 if (ps == null) { 7629 return null; 7630 } 7631 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7632 ps.readUserState(userId), userId); 7633 if (pi == null) { 7634 return null; 7635 } 7636 final ResolveInfo res = new ResolveInfo(); 7637 res.providerInfo = pi; 7638 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7639 res.filter = filter; 7640 } 7641 res.priority = info.getPriority(); 7642 res.preferredOrder = provider.owner.mPreferredOrder; 7643 res.match = match; 7644 res.isDefault = info.hasDefault; 7645 res.labelRes = info.labelRes; 7646 res.nonLocalizedLabel = info.nonLocalizedLabel; 7647 res.icon = info.icon; 7648 res.system = res.providerInfo.applicationInfo.isSystemApp(); 7649 return res; 7650 } 7651 7652 @Override 7653 protected void sortResults(List<ResolveInfo> results) { 7654 Collections.sort(results, mResolvePrioritySorter); 7655 } 7656 7657 @Override 7658 protected void dumpFilter(PrintWriter out, String prefix, 7659 PackageParser.ProviderIntentInfo filter) { 7660 out.print(prefix); 7661 out.print( 7662 Integer.toHexString(System.identityHashCode(filter.provider))); 7663 out.print(' '); 7664 filter.provider.printComponentShortName(out); 7665 out.print(" filter "); 7666 out.println(Integer.toHexString(System.identityHashCode(filter))); 7667 } 7668 7669 @Override 7670 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7671 return filter.provider; 7672 } 7673 7674 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7675 PackageParser.Provider provider = (PackageParser.Provider)label; 7676 out.print(prefix); out.print( 7677 Integer.toHexString(System.identityHashCode(provider))); 7678 out.print(' '); 7679 provider.printComponentShortName(out); 7680 if (count > 1) { 7681 out.print(" ("); out.print(count); out.print(" filters)"); 7682 } 7683 out.println(); 7684 } 7685 7686 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7687 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7688 private int mFlags; 7689 }; 7690 7691 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7692 new Comparator<ResolveInfo>() { 7693 public int compare(ResolveInfo r1, ResolveInfo r2) { 7694 int v1 = r1.priority; 7695 int v2 = r2.priority; 7696 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7697 if (v1 != v2) { 7698 return (v1 > v2) ? -1 : 1; 7699 } 7700 v1 = r1.preferredOrder; 7701 v2 = r2.preferredOrder; 7702 if (v1 != v2) { 7703 return (v1 > v2) ? -1 : 1; 7704 } 7705 if (r1.isDefault != r2.isDefault) { 7706 return r1.isDefault ? -1 : 1; 7707 } 7708 v1 = r1.match; 7709 v2 = r2.match; 7710 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7711 if (v1 != v2) { 7712 return (v1 > v2) ? -1 : 1; 7713 } 7714 if (r1.system != r2.system) { 7715 return r1.system ? -1 : 1; 7716 } 7717 return 0; 7718 } 7719 }; 7720 7721 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7722 new Comparator<ProviderInfo>() { 7723 public int compare(ProviderInfo p1, ProviderInfo p2) { 7724 final int v1 = p1.initOrder; 7725 final int v2 = p2.initOrder; 7726 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7727 } 7728 }; 7729 7730 static final void sendPackageBroadcast(String action, String pkg, 7731 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7732 int[] userIds) { 7733 IActivityManager am = ActivityManagerNative.getDefault(); 7734 if (am != null) { 7735 try { 7736 if (userIds == null) { 7737 userIds = am.getRunningUserIds(); 7738 } 7739 for (int id : userIds) { 7740 final Intent intent = new Intent(action, 7741 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7742 if (extras != null) { 7743 intent.putExtras(extras); 7744 } 7745 if (targetPkg != null) { 7746 intent.setPackage(targetPkg); 7747 } 7748 // Modify the UID when posting to other users 7749 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7750 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7751 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7752 intent.putExtra(Intent.EXTRA_UID, uid); 7753 } 7754 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7755 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7756 if (DEBUG_BROADCASTS) { 7757 RuntimeException here = new RuntimeException("here"); 7758 here.fillInStackTrace(); 7759 Slog.d(TAG, "Sending to user " + id + ": " 7760 + intent.toShortString(false, true, false, false) 7761 + " " + intent.getExtras(), here); 7762 } 7763 am.broadcastIntent(null, intent, null, finishedReceiver, 7764 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7765 finishedReceiver != null, false, id); 7766 } 7767 } catch (RemoteException ex) { 7768 } 7769 } 7770 } 7771 7772 /** 7773 * Check if the external storage media is available. This is true if there 7774 * is a mounted external storage medium or if the external storage is 7775 * emulated. 7776 */ 7777 private boolean isExternalMediaAvailable() { 7778 return mMediaMounted || Environment.isExternalStorageEmulated(); 7779 } 7780 7781 @Override 7782 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7783 // writer 7784 synchronized (mPackages) { 7785 if (!isExternalMediaAvailable()) { 7786 // If the external storage is no longer mounted at this point, 7787 // the caller may not have been able to delete all of this 7788 // packages files and can not delete any more. Bail. 7789 return null; 7790 } 7791 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7792 if (lastPackage != null) { 7793 pkgs.remove(lastPackage); 7794 } 7795 if (pkgs.size() > 0) { 7796 return pkgs.get(0); 7797 } 7798 } 7799 return null; 7800 } 7801 7802 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7803 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7804 userId, andCode ? 1 : 0, packageName); 7805 if (mSystemReady) { 7806 msg.sendToTarget(); 7807 } else { 7808 if (mPostSystemReadyMessages == null) { 7809 mPostSystemReadyMessages = new ArrayList<>(); 7810 } 7811 mPostSystemReadyMessages.add(msg); 7812 } 7813 } 7814 7815 void startCleaningPackages() { 7816 // reader 7817 synchronized (mPackages) { 7818 if (!isExternalMediaAvailable()) { 7819 return; 7820 } 7821 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7822 return; 7823 } 7824 } 7825 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7826 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7827 IActivityManager am = ActivityManagerNative.getDefault(); 7828 if (am != null) { 7829 try { 7830 am.startService(null, intent, null, UserHandle.USER_OWNER); 7831 } catch (RemoteException e) { 7832 } 7833 } 7834 } 7835 7836 @Override 7837 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7838 int installFlags, String installerPackageName, VerificationParams verificationParams, 7839 String packageAbiOverride) { 7840 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7841 packageAbiOverride, UserHandle.getCallingUserId()); 7842 } 7843 7844 @Override 7845 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7846 int installFlags, String installerPackageName, VerificationParams verificationParams, 7847 String packageAbiOverride, int userId) { 7848 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7849 7850 final int callingUid = Binder.getCallingUid(); 7851 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7852 7853 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7854 try { 7855 if (observer != null) { 7856 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7857 } 7858 } catch (RemoteException re) { 7859 } 7860 return; 7861 } 7862 7863 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7864 installFlags |= PackageManager.INSTALL_FROM_ADB; 7865 7866 } else { 7867 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7868 // about installerPackageName. 7869 7870 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7871 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7872 } 7873 7874 UserHandle user; 7875 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7876 user = UserHandle.ALL; 7877 } else { 7878 user = new UserHandle(userId); 7879 } 7880 7881 verificationParams.setInstallerUid(callingUid); 7882 7883 final File originFile = new File(originPath); 7884 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7885 7886 final Message msg = mHandler.obtainMessage(INIT_COPY); 7887 msg.obj = new InstallParams(origin, observer, installFlags, 7888 installerPackageName, verificationParams, user, packageAbiOverride); 7889 mHandler.sendMessage(msg); 7890 } 7891 7892 void installStage(String packageName, File stagedDir, String stagedCid, 7893 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7894 String installerPackageName, int installerUid, UserHandle user) { 7895 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7896 params.referrerUri, installerUid, null); 7897 7898 final OriginInfo origin; 7899 if (stagedDir != null) { 7900 origin = OriginInfo.fromStagedFile(stagedDir); 7901 } else { 7902 origin = OriginInfo.fromStagedContainer(stagedCid); 7903 } 7904 7905 final Message msg = mHandler.obtainMessage(INIT_COPY); 7906 msg.obj = new InstallParams(origin, observer, params.installFlags, 7907 installerPackageName, verifParams, user, params.abiOverride); 7908 mHandler.sendMessage(msg); 7909 } 7910 7911 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7912 Bundle extras = new Bundle(1); 7913 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7914 7915 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7916 packageName, extras, null, null, new int[] {userId}); 7917 try { 7918 IActivityManager am = ActivityManagerNative.getDefault(); 7919 final boolean isSystem = 7920 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7921 if (isSystem && am.isUserRunning(userId, false)) { 7922 // The just-installed/enabled app is bundled on the system, so presumed 7923 // to be able to run automatically without needing an explicit launch. 7924 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7925 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7926 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7927 .setPackage(packageName); 7928 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7929 android.app.AppOpsManager.OP_NONE, false, false, userId); 7930 } 7931 } catch (RemoteException e) { 7932 // shouldn't happen 7933 Slog.w(TAG, "Unable to bootstrap installed package", e); 7934 } 7935 } 7936 7937 @Override 7938 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7939 int userId) { 7940 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7941 PackageSetting pkgSetting; 7942 final int uid = Binder.getCallingUid(); 7943 enforceCrossUserPermission(uid, userId, true, true, 7944 "setApplicationHiddenSetting for user " + userId); 7945 7946 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7947 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7948 return false; 7949 } 7950 7951 long callingId = Binder.clearCallingIdentity(); 7952 try { 7953 boolean sendAdded = false; 7954 boolean sendRemoved = false; 7955 // writer 7956 synchronized (mPackages) { 7957 pkgSetting = mSettings.mPackages.get(packageName); 7958 if (pkgSetting == null) { 7959 return false; 7960 } 7961 if (pkgSetting.getHidden(userId) != hidden) { 7962 pkgSetting.setHidden(hidden, userId); 7963 mSettings.writePackageRestrictionsLPr(userId); 7964 if (hidden) { 7965 sendRemoved = true; 7966 } else { 7967 sendAdded = true; 7968 } 7969 } 7970 } 7971 if (sendAdded) { 7972 sendPackageAddedForUser(packageName, pkgSetting, userId); 7973 return true; 7974 } 7975 if (sendRemoved) { 7976 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7977 "hiding pkg"); 7978 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7979 } 7980 } finally { 7981 Binder.restoreCallingIdentity(callingId); 7982 } 7983 return false; 7984 } 7985 7986 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7987 int userId) { 7988 final PackageRemovedInfo info = new PackageRemovedInfo(); 7989 info.removedPackage = packageName; 7990 info.removedUsers = new int[] {userId}; 7991 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7992 info.sendBroadcast(false, false, false); 7993 } 7994 7995 /** 7996 * Returns true if application is not found or there was an error. Otherwise it returns 7997 * the hidden state of the package for the given user. 7998 */ 7999 @Override 8000 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8001 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8002 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8003 false, "getApplicationHidden for user " + userId); 8004 PackageSetting pkgSetting; 8005 long callingId = Binder.clearCallingIdentity(); 8006 try { 8007 // writer 8008 synchronized (mPackages) { 8009 pkgSetting = mSettings.mPackages.get(packageName); 8010 if (pkgSetting == null) { 8011 return true; 8012 } 8013 return pkgSetting.getHidden(userId); 8014 } 8015 } finally { 8016 Binder.restoreCallingIdentity(callingId); 8017 } 8018 } 8019 8020 /** 8021 * @hide 8022 */ 8023 @Override 8024 public int installExistingPackageAsUser(String packageName, int userId) { 8025 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8026 null); 8027 PackageSetting pkgSetting; 8028 final int uid = Binder.getCallingUid(); 8029 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8030 + userId); 8031 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8032 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8033 } 8034 8035 long callingId = Binder.clearCallingIdentity(); 8036 try { 8037 boolean sendAdded = false; 8038 Bundle extras = new Bundle(1); 8039 8040 // writer 8041 synchronized (mPackages) { 8042 pkgSetting = mSettings.mPackages.get(packageName); 8043 if (pkgSetting == null) { 8044 return PackageManager.INSTALL_FAILED_INVALID_URI; 8045 } 8046 if (!pkgSetting.getInstalled(userId)) { 8047 pkgSetting.setInstalled(true, userId); 8048 pkgSetting.setHidden(false, userId); 8049 mSettings.writePackageRestrictionsLPr(userId); 8050 sendAdded = true; 8051 } 8052 } 8053 8054 if (sendAdded) { 8055 sendPackageAddedForUser(packageName, pkgSetting, userId); 8056 } 8057 } finally { 8058 Binder.restoreCallingIdentity(callingId); 8059 } 8060 8061 return PackageManager.INSTALL_SUCCEEDED; 8062 } 8063 8064 boolean isUserRestricted(int userId, String restrictionKey) { 8065 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8066 if (restrictions.getBoolean(restrictionKey, false)) { 8067 Log.w(TAG, "User is restricted: " + restrictionKey); 8068 return true; 8069 } 8070 return false; 8071 } 8072 8073 @Override 8074 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8075 mContext.enforceCallingOrSelfPermission( 8076 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8077 "Only package verification agents can verify applications"); 8078 8079 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8080 final PackageVerificationResponse response = new PackageVerificationResponse( 8081 verificationCode, Binder.getCallingUid()); 8082 msg.arg1 = id; 8083 msg.obj = response; 8084 mHandler.sendMessage(msg); 8085 } 8086 8087 @Override 8088 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8089 long millisecondsToDelay) { 8090 mContext.enforceCallingOrSelfPermission( 8091 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8092 "Only package verification agents can extend verification timeouts"); 8093 8094 final PackageVerificationState state = mPendingVerification.get(id); 8095 final PackageVerificationResponse response = new PackageVerificationResponse( 8096 verificationCodeAtTimeout, Binder.getCallingUid()); 8097 8098 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8099 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8100 } 8101 if (millisecondsToDelay < 0) { 8102 millisecondsToDelay = 0; 8103 } 8104 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8105 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8106 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8107 } 8108 8109 if ((state != null) && !state.timeoutExtended()) { 8110 state.extendTimeout(); 8111 8112 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8113 msg.arg1 = id; 8114 msg.obj = response; 8115 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8116 } 8117 } 8118 8119 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8120 int verificationCode, UserHandle user) { 8121 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8122 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8123 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8124 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8125 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8126 8127 mContext.sendBroadcastAsUser(intent, user, 8128 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8129 } 8130 8131 private ComponentName matchComponentForVerifier(String packageName, 8132 List<ResolveInfo> receivers) { 8133 ActivityInfo targetReceiver = null; 8134 8135 final int NR = receivers.size(); 8136 for (int i = 0; i < NR; i++) { 8137 final ResolveInfo info = receivers.get(i); 8138 if (info.activityInfo == null) { 8139 continue; 8140 } 8141 8142 if (packageName.equals(info.activityInfo.packageName)) { 8143 targetReceiver = info.activityInfo; 8144 break; 8145 } 8146 } 8147 8148 if (targetReceiver == null) { 8149 return null; 8150 } 8151 8152 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8153 } 8154 8155 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8156 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8157 if (pkgInfo.verifiers.length == 0) { 8158 return null; 8159 } 8160 8161 final int N = pkgInfo.verifiers.length; 8162 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8163 for (int i = 0; i < N; i++) { 8164 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8165 8166 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8167 receivers); 8168 if (comp == null) { 8169 continue; 8170 } 8171 8172 final int verifierUid = getUidForVerifier(verifierInfo); 8173 if (verifierUid == -1) { 8174 continue; 8175 } 8176 8177 if (DEBUG_VERIFY) { 8178 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8179 + " with the correct signature"); 8180 } 8181 sufficientVerifiers.add(comp); 8182 verificationState.addSufficientVerifier(verifierUid); 8183 } 8184 8185 return sufficientVerifiers; 8186 } 8187 8188 private int getUidForVerifier(VerifierInfo verifierInfo) { 8189 synchronized (mPackages) { 8190 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8191 if (pkg == null) { 8192 return -1; 8193 } else if (pkg.mSignatures.length != 1) { 8194 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8195 + " has more than one signature; ignoring"); 8196 return -1; 8197 } 8198 8199 /* 8200 * If the public key of the package's signature does not match 8201 * our expected public key, then this is a different package and 8202 * we should skip. 8203 */ 8204 8205 final byte[] expectedPublicKey; 8206 try { 8207 final Signature verifierSig = pkg.mSignatures[0]; 8208 final PublicKey publicKey = verifierSig.getPublicKey(); 8209 expectedPublicKey = publicKey.getEncoded(); 8210 } catch (CertificateException e) { 8211 return -1; 8212 } 8213 8214 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8215 8216 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8217 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8218 + " does not have the expected public key; ignoring"); 8219 return -1; 8220 } 8221 8222 return pkg.applicationInfo.uid; 8223 } 8224 } 8225 8226 @Override 8227 public void finishPackageInstall(int token) { 8228 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8229 8230 if (DEBUG_INSTALL) { 8231 Slog.v(TAG, "BM finishing package install for " + token); 8232 } 8233 8234 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8235 mHandler.sendMessage(msg); 8236 } 8237 8238 /** 8239 * Get the verification agent timeout. 8240 * 8241 * @return verification timeout in milliseconds 8242 */ 8243 private long getVerificationTimeout() { 8244 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8245 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8246 DEFAULT_VERIFICATION_TIMEOUT); 8247 } 8248 8249 /** 8250 * Get the default verification agent response code. 8251 * 8252 * @return default verification response code 8253 */ 8254 private int getDefaultVerificationResponse() { 8255 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8256 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8257 DEFAULT_VERIFICATION_RESPONSE); 8258 } 8259 8260 /** 8261 * Check whether or not package verification has been enabled. 8262 * 8263 * @return true if verification should be performed 8264 */ 8265 private boolean isVerificationEnabled(int userId, int installFlags) { 8266 if (!DEFAULT_VERIFY_ENABLE) { 8267 return false; 8268 } 8269 8270 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8271 8272 // Check if installing from ADB 8273 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8274 // Do not run verification in a test harness environment 8275 if (ActivityManager.isRunningInTestHarness()) { 8276 return false; 8277 } 8278 if (ensureVerifyAppsEnabled) { 8279 return true; 8280 } 8281 // Check if the developer does not want package verification for ADB installs 8282 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8283 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8284 return false; 8285 } 8286 } 8287 8288 if (ensureVerifyAppsEnabled) { 8289 return true; 8290 } 8291 8292 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8293 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8294 } 8295 8296 /** 8297 * Get the "allow unknown sources" setting. 8298 * 8299 * @return the current "allow unknown sources" setting 8300 */ 8301 private int getUnknownSourcesSettings() { 8302 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8303 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8304 -1); 8305 } 8306 8307 @Override 8308 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8309 final int uid = Binder.getCallingUid(); 8310 // writer 8311 synchronized (mPackages) { 8312 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8313 if (targetPackageSetting == null) { 8314 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8315 } 8316 8317 PackageSetting installerPackageSetting; 8318 if (installerPackageName != null) { 8319 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8320 if (installerPackageSetting == null) { 8321 throw new IllegalArgumentException("Unknown installer package: " 8322 + installerPackageName); 8323 } 8324 } else { 8325 installerPackageSetting = null; 8326 } 8327 8328 Signature[] callerSignature; 8329 Object obj = mSettings.getUserIdLPr(uid); 8330 if (obj != null) { 8331 if (obj instanceof SharedUserSetting) { 8332 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8333 } else if (obj instanceof PackageSetting) { 8334 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8335 } else { 8336 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8337 } 8338 } else { 8339 throw new SecurityException("Unknown calling uid " + uid); 8340 } 8341 8342 // Verify: can't set installerPackageName to a package that is 8343 // not signed with the same cert as the caller. 8344 if (installerPackageSetting != null) { 8345 if (compareSignatures(callerSignature, 8346 installerPackageSetting.signatures.mSignatures) 8347 != PackageManager.SIGNATURE_MATCH) { 8348 throw new SecurityException( 8349 "Caller does not have same cert as new installer package " 8350 + installerPackageName); 8351 } 8352 } 8353 8354 // Verify: if target already has an installer package, it must 8355 // be signed with the same cert as the caller. 8356 if (targetPackageSetting.installerPackageName != null) { 8357 PackageSetting setting = mSettings.mPackages.get( 8358 targetPackageSetting.installerPackageName); 8359 // If the currently set package isn't valid, then it's always 8360 // okay to change it. 8361 if (setting != null) { 8362 if (compareSignatures(callerSignature, 8363 setting.signatures.mSignatures) 8364 != PackageManager.SIGNATURE_MATCH) { 8365 throw new SecurityException( 8366 "Caller does not have same cert as old installer package " 8367 + targetPackageSetting.installerPackageName); 8368 } 8369 } 8370 } 8371 8372 // Okay! 8373 targetPackageSetting.installerPackageName = installerPackageName; 8374 scheduleWriteSettingsLocked(); 8375 } 8376 } 8377 8378 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8379 // Queue up an async operation since the package installation may take a little while. 8380 mHandler.post(new Runnable() { 8381 public void run() { 8382 mHandler.removeCallbacks(this); 8383 // Result object to be returned 8384 PackageInstalledInfo res = new PackageInstalledInfo(); 8385 res.returnCode = currentStatus; 8386 res.uid = -1; 8387 res.pkg = null; 8388 res.removedInfo = new PackageRemovedInfo(); 8389 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8390 args.doPreInstall(res.returnCode); 8391 synchronized (mInstallLock) { 8392 installPackageLI(args, res); 8393 } 8394 args.doPostInstall(res.returnCode, res.uid); 8395 } 8396 8397 // A restore should be performed at this point if (a) the install 8398 // succeeded, (b) the operation is not an update, and (c) the new 8399 // package has not opted out of backup participation. 8400 final boolean update = res.removedInfo.removedPackage != null; 8401 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8402 boolean doRestore = !update 8403 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8404 8405 // Set up the post-install work request bookkeeping. This will be used 8406 // and cleaned up by the post-install event handling regardless of whether 8407 // there's a restore pass performed. Token values are >= 1. 8408 int token; 8409 if (mNextInstallToken < 0) mNextInstallToken = 1; 8410 token = mNextInstallToken++; 8411 8412 PostInstallData data = new PostInstallData(args, res); 8413 mRunningInstalls.put(token, data); 8414 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8415 8416 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8417 // Pass responsibility to the Backup Manager. It will perform a 8418 // restore if appropriate, then pass responsibility back to the 8419 // Package Manager to run the post-install observer callbacks 8420 // and broadcasts. 8421 IBackupManager bm = IBackupManager.Stub.asInterface( 8422 ServiceManager.getService(Context.BACKUP_SERVICE)); 8423 if (bm != null) { 8424 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8425 + " to BM for possible restore"); 8426 try { 8427 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8428 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8429 } else { 8430 doRestore = false; 8431 } 8432 } catch (RemoteException e) { 8433 // can't happen; the backup manager is local 8434 } catch (Exception e) { 8435 Slog.e(TAG, "Exception trying to enqueue restore", e); 8436 doRestore = false; 8437 } 8438 } else { 8439 Slog.e(TAG, "Backup Manager not found!"); 8440 doRestore = false; 8441 } 8442 } 8443 8444 if (!doRestore) { 8445 // No restore possible, or the Backup Manager was mysteriously not 8446 // available -- just fire the post-install work request directly. 8447 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8448 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8449 mHandler.sendMessage(msg); 8450 } 8451 } 8452 }); 8453 } 8454 8455 private abstract class HandlerParams { 8456 private static final int MAX_RETRIES = 4; 8457 8458 /** 8459 * Number of times startCopy() has been attempted and had a non-fatal 8460 * error. 8461 */ 8462 private int mRetries = 0; 8463 8464 /** User handle for the user requesting the information or installation. */ 8465 private final UserHandle mUser; 8466 8467 HandlerParams(UserHandle user) { 8468 mUser = user; 8469 } 8470 8471 UserHandle getUser() { 8472 return mUser; 8473 } 8474 8475 final boolean startCopy() { 8476 boolean res; 8477 try { 8478 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8479 8480 if (++mRetries > MAX_RETRIES) { 8481 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8482 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8483 handleServiceError(); 8484 return false; 8485 } else { 8486 handleStartCopy(); 8487 res = true; 8488 } 8489 } catch (RemoteException e) { 8490 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8491 mHandler.sendEmptyMessage(MCS_RECONNECT); 8492 res = false; 8493 } 8494 handleReturnCode(); 8495 return res; 8496 } 8497 8498 final void serviceError() { 8499 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8500 handleServiceError(); 8501 handleReturnCode(); 8502 } 8503 8504 abstract void handleStartCopy() throws RemoteException; 8505 abstract void handleServiceError(); 8506 abstract void handleReturnCode(); 8507 } 8508 8509 class MeasureParams extends HandlerParams { 8510 private final PackageStats mStats; 8511 private boolean mSuccess; 8512 8513 private final IPackageStatsObserver mObserver; 8514 8515 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8516 super(new UserHandle(stats.userHandle)); 8517 mObserver = observer; 8518 mStats = stats; 8519 } 8520 8521 @Override 8522 public String toString() { 8523 return "MeasureParams{" 8524 + Integer.toHexString(System.identityHashCode(this)) 8525 + " " + mStats.packageName + "}"; 8526 } 8527 8528 @Override 8529 void handleStartCopy() throws RemoteException { 8530 synchronized (mInstallLock) { 8531 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8532 } 8533 8534 if (mSuccess) { 8535 final boolean mounted; 8536 if (Environment.isExternalStorageEmulated()) { 8537 mounted = true; 8538 } else { 8539 final String status = Environment.getExternalStorageState(); 8540 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8541 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8542 } 8543 8544 if (mounted) { 8545 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8546 8547 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8548 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8549 8550 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8551 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8552 8553 // Always subtract cache size, since it's a subdirectory 8554 mStats.externalDataSize -= mStats.externalCacheSize; 8555 8556 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8557 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8558 8559 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8560 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8561 } 8562 } 8563 } 8564 8565 @Override 8566 void handleReturnCode() { 8567 if (mObserver != null) { 8568 try { 8569 mObserver.onGetStatsCompleted(mStats, mSuccess); 8570 } catch (RemoteException e) { 8571 Slog.i(TAG, "Observer no longer exists."); 8572 } 8573 } 8574 } 8575 8576 @Override 8577 void handleServiceError() { 8578 Slog.e(TAG, "Could not measure application " + mStats.packageName 8579 + " external storage"); 8580 } 8581 } 8582 8583 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8584 throws RemoteException { 8585 long result = 0; 8586 for (File path : paths) { 8587 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8588 } 8589 return result; 8590 } 8591 8592 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8593 for (File path : paths) { 8594 try { 8595 mcs.clearDirectory(path.getAbsolutePath()); 8596 } catch (RemoteException e) { 8597 } 8598 } 8599 } 8600 8601 static class OriginInfo { 8602 /** 8603 * Location where install is coming from, before it has been 8604 * copied/renamed into place. This could be a single monolithic APK 8605 * file, or a cluster directory. This location may be untrusted. 8606 */ 8607 final File file; 8608 final String cid; 8609 8610 /** 8611 * Flag indicating that {@link #file} or {@link #cid} has already been 8612 * staged, meaning downstream users don't need to defensively copy the 8613 * contents. 8614 */ 8615 final boolean staged; 8616 8617 /** 8618 * Flag indicating that {@link #file} or {@link #cid} is an already 8619 * installed app that is being moved. 8620 */ 8621 final boolean existing; 8622 8623 final String resolvedPath; 8624 final File resolvedFile; 8625 8626 static OriginInfo fromNothing() { 8627 return new OriginInfo(null, null, false, false); 8628 } 8629 8630 static OriginInfo fromUntrustedFile(File file) { 8631 return new OriginInfo(file, null, false, false); 8632 } 8633 8634 static OriginInfo fromExistingFile(File file) { 8635 return new OriginInfo(file, null, false, true); 8636 } 8637 8638 static OriginInfo fromStagedFile(File file) { 8639 return new OriginInfo(file, null, true, false); 8640 } 8641 8642 static OriginInfo fromStagedContainer(String cid) { 8643 return new OriginInfo(null, cid, true, false); 8644 } 8645 8646 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8647 this.file = file; 8648 this.cid = cid; 8649 this.staged = staged; 8650 this.existing = existing; 8651 8652 if (cid != null) { 8653 resolvedPath = PackageHelper.getSdDir(cid); 8654 resolvedFile = new File(resolvedPath); 8655 } else if (file != null) { 8656 resolvedPath = file.getAbsolutePath(); 8657 resolvedFile = file; 8658 } else { 8659 resolvedPath = null; 8660 resolvedFile = null; 8661 } 8662 } 8663 } 8664 8665 class InstallParams extends HandlerParams { 8666 final OriginInfo origin; 8667 final IPackageInstallObserver2 observer; 8668 int installFlags; 8669 final String installerPackageName; 8670 final VerificationParams verificationParams; 8671 private InstallArgs mArgs; 8672 private int mRet; 8673 final String packageAbiOverride; 8674 8675 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8676 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8677 String packageAbiOverride) { 8678 super(user); 8679 this.origin = origin; 8680 this.observer = observer; 8681 this.installFlags = installFlags; 8682 this.installerPackageName = installerPackageName; 8683 this.verificationParams = verificationParams; 8684 this.packageAbiOverride = packageAbiOverride; 8685 } 8686 8687 @Override 8688 public String toString() { 8689 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8690 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8691 } 8692 8693 public ManifestDigest getManifestDigest() { 8694 if (verificationParams == null) { 8695 return null; 8696 } 8697 return verificationParams.getManifestDigest(); 8698 } 8699 8700 private int installLocationPolicy(PackageInfoLite pkgLite) { 8701 String packageName = pkgLite.packageName; 8702 int installLocation = pkgLite.installLocation; 8703 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8704 // reader 8705 synchronized (mPackages) { 8706 PackageParser.Package pkg = mPackages.get(packageName); 8707 if (pkg != null) { 8708 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8709 // Check for downgrading. 8710 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8711 try { 8712 checkDowngrade(pkg, pkgLite); 8713 } catch (PackageManagerException e) { 8714 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8715 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8716 } 8717 } 8718 // Check for updated system application. 8719 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8720 if (onSd) { 8721 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8722 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8723 } 8724 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8725 } else { 8726 if (onSd) { 8727 // Install flag overrides everything. 8728 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8729 } 8730 // If current upgrade specifies particular preference 8731 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8732 // Application explicitly specified internal. 8733 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8734 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8735 // App explictly prefers external. Let policy decide 8736 } else { 8737 // Prefer previous location 8738 if (isExternal(pkg)) { 8739 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8740 } 8741 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8742 } 8743 } 8744 } else { 8745 // Invalid install. Return error code 8746 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8747 } 8748 } 8749 } 8750 // All the special cases have been taken care of. 8751 // Return result based on recommended install location. 8752 if (onSd) { 8753 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8754 } 8755 return pkgLite.recommendedInstallLocation; 8756 } 8757 8758 /* 8759 * Invoke remote method to get package information and install 8760 * location values. Override install location based on default 8761 * policy if needed and then create install arguments based 8762 * on the install location. 8763 */ 8764 public void handleStartCopy() throws RemoteException { 8765 int ret = PackageManager.INSTALL_SUCCEEDED; 8766 8767 // If we're already staged, we've firmly committed to an install location 8768 if (origin.staged) { 8769 if (origin.file != null) { 8770 installFlags |= PackageManager.INSTALL_INTERNAL; 8771 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8772 } else if (origin.cid != null) { 8773 installFlags |= PackageManager.INSTALL_EXTERNAL; 8774 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8775 } else { 8776 throw new IllegalStateException("Invalid stage location"); 8777 } 8778 } 8779 8780 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8781 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8782 8783 PackageInfoLite pkgLite = null; 8784 8785 if (onInt && onSd) { 8786 // Check if both bits are set. 8787 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8788 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8789 } else { 8790 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8791 packageAbiOverride); 8792 8793 /* 8794 * If we have too little free space, try to free cache 8795 * before giving up. 8796 */ 8797 if (!origin.staged && pkgLite.recommendedInstallLocation 8798 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8799 // TODO: focus freeing disk space on the target device 8800 final StorageManager storage = StorageManager.from(mContext); 8801 final long lowThreshold = storage.getStorageLowBytes( 8802 Environment.getDataDirectory()); 8803 8804 final long sizeBytes = mContainerService.calculateInstalledSize( 8805 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8806 8807 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8808 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8809 installFlags, packageAbiOverride); 8810 } 8811 8812 /* 8813 * The cache free must have deleted the file we 8814 * downloaded to install. 8815 * 8816 * TODO: fix the "freeCache" call to not delete 8817 * the file we care about. 8818 */ 8819 if (pkgLite.recommendedInstallLocation 8820 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8821 pkgLite.recommendedInstallLocation 8822 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8823 } 8824 } 8825 } 8826 8827 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8828 int loc = pkgLite.recommendedInstallLocation; 8829 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8830 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8831 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8832 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8833 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8834 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8835 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8836 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8837 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8838 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8839 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8840 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8841 } else { 8842 // Override with defaults if needed. 8843 loc = installLocationPolicy(pkgLite); 8844 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8845 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8846 } else if (!onSd && !onInt) { 8847 // Override install location with flags 8848 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8849 // Set the flag to install on external media. 8850 installFlags |= PackageManager.INSTALL_EXTERNAL; 8851 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8852 } else { 8853 // Make sure the flag for installing on external 8854 // media is unset 8855 installFlags |= PackageManager.INSTALL_INTERNAL; 8856 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8857 } 8858 } 8859 } 8860 } 8861 8862 final InstallArgs args = createInstallArgs(this); 8863 mArgs = args; 8864 8865 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8866 /* 8867 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8868 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8869 */ 8870 int userIdentifier = getUser().getIdentifier(); 8871 if (userIdentifier == UserHandle.USER_ALL 8872 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8873 userIdentifier = UserHandle.USER_OWNER; 8874 } 8875 8876 /* 8877 * Determine if we have any installed package verifiers. If we 8878 * do, then we'll defer to them to verify the packages. 8879 */ 8880 final int requiredUid = mRequiredVerifierPackage == null ? -1 8881 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8882 if (!origin.existing && requiredUid != -1 8883 && isVerificationEnabled(userIdentifier, installFlags)) { 8884 final Intent verification = new Intent( 8885 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8886 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 8887 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8888 PACKAGE_MIME_TYPE); 8889 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8890 8891 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8892 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8893 0 /* TODO: Which userId? */); 8894 8895 if (DEBUG_VERIFY) { 8896 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8897 + verification.toString() + " with " + pkgLite.verifiers.length 8898 + " optional verifiers"); 8899 } 8900 8901 final int verificationId = mPendingVerificationToken++; 8902 8903 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8904 8905 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8906 installerPackageName); 8907 8908 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8909 installFlags); 8910 8911 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8912 pkgLite.packageName); 8913 8914 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8915 pkgLite.versionCode); 8916 8917 if (verificationParams != null) { 8918 if (verificationParams.getVerificationURI() != null) { 8919 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8920 verificationParams.getVerificationURI()); 8921 } 8922 if (verificationParams.getOriginatingURI() != null) { 8923 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8924 verificationParams.getOriginatingURI()); 8925 } 8926 if (verificationParams.getReferrer() != null) { 8927 verification.putExtra(Intent.EXTRA_REFERRER, 8928 verificationParams.getReferrer()); 8929 } 8930 if (verificationParams.getOriginatingUid() >= 0) { 8931 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8932 verificationParams.getOriginatingUid()); 8933 } 8934 if (verificationParams.getInstallerUid() >= 0) { 8935 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8936 verificationParams.getInstallerUid()); 8937 } 8938 } 8939 8940 final PackageVerificationState verificationState = new PackageVerificationState( 8941 requiredUid, args); 8942 8943 mPendingVerification.append(verificationId, verificationState); 8944 8945 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8946 receivers, verificationState); 8947 8948 /* 8949 * If any sufficient verifiers were listed in the package 8950 * manifest, attempt to ask them. 8951 */ 8952 if (sufficientVerifiers != null) { 8953 final int N = sufficientVerifiers.size(); 8954 if (N == 0) { 8955 Slog.i(TAG, "Additional verifiers required, but none installed."); 8956 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8957 } else { 8958 for (int i = 0; i < N; i++) { 8959 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8960 8961 final Intent sufficientIntent = new Intent(verification); 8962 sufficientIntent.setComponent(verifierComponent); 8963 8964 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8965 } 8966 } 8967 } 8968 8969 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8970 mRequiredVerifierPackage, receivers); 8971 if (ret == PackageManager.INSTALL_SUCCEEDED 8972 && mRequiredVerifierPackage != null) { 8973 /* 8974 * Send the intent to the required verification agent, 8975 * but only start the verification timeout after the 8976 * target BroadcastReceivers have run. 8977 */ 8978 verification.setComponent(requiredVerifierComponent); 8979 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8980 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8981 new BroadcastReceiver() { 8982 @Override 8983 public void onReceive(Context context, Intent intent) { 8984 final Message msg = mHandler 8985 .obtainMessage(CHECK_PENDING_VERIFICATION); 8986 msg.arg1 = verificationId; 8987 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8988 } 8989 }, null, 0, null, null); 8990 8991 /* 8992 * We don't want the copy to proceed until verification 8993 * succeeds, so null out this field. 8994 */ 8995 mArgs = null; 8996 } 8997 } else { 8998 /* 8999 * No package verification is enabled, so immediately start 9000 * the remote call to initiate copy using temporary file. 9001 */ 9002 ret = args.copyApk(mContainerService, true); 9003 } 9004 } 9005 9006 mRet = ret; 9007 } 9008 9009 @Override 9010 void handleReturnCode() { 9011 // If mArgs is null, then MCS couldn't be reached. When it 9012 // reconnects, it will try again to install. At that point, this 9013 // will succeed. 9014 if (mArgs != null) { 9015 processPendingInstall(mArgs, mRet); 9016 } 9017 } 9018 9019 @Override 9020 void handleServiceError() { 9021 mArgs = createInstallArgs(this); 9022 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9023 } 9024 9025 public boolean isForwardLocked() { 9026 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9027 } 9028 } 9029 9030 /** 9031 * Used during creation of InstallArgs 9032 * 9033 * @param installFlags package installation flags 9034 * @return true if should be installed on external storage 9035 */ 9036 private static boolean installOnSd(int installFlags) { 9037 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9038 return false; 9039 } 9040 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9041 return true; 9042 } 9043 return false; 9044 } 9045 9046 /** 9047 * Used during creation of InstallArgs 9048 * 9049 * @param installFlags package installation flags 9050 * @return true if should be installed as forward locked 9051 */ 9052 private static boolean installForwardLocked(int installFlags) { 9053 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9054 } 9055 9056 private InstallArgs createInstallArgs(InstallParams params) { 9057 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9058 return new AsecInstallArgs(params); 9059 } else { 9060 return new FileInstallArgs(params); 9061 } 9062 } 9063 9064 /** 9065 * Create args that describe an existing installed package. Typically used 9066 * when cleaning up old installs, or used as a move source. 9067 */ 9068 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9069 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9070 final boolean isInAsec; 9071 if (installOnSd(installFlags)) { 9072 /* Apps on SD card are always in ASEC containers. */ 9073 isInAsec = true; 9074 } else if (installForwardLocked(installFlags) 9075 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9076 /* 9077 * Forward-locked apps are only in ASEC containers if they're the 9078 * new style 9079 */ 9080 isInAsec = true; 9081 } else { 9082 isInAsec = false; 9083 } 9084 9085 if (isInAsec) { 9086 return new AsecInstallArgs(codePath, instructionSets, 9087 installOnSd(installFlags), installForwardLocked(installFlags)); 9088 } else { 9089 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9090 instructionSets); 9091 } 9092 } 9093 9094 static abstract class InstallArgs { 9095 /** @see InstallParams#origin */ 9096 final OriginInfo origin; 9097 9098 final IPackageInstallObserver2 observer; 9099 // Always refers to PackageManager flags only 9100 final int installFlags; 9101 final String installerPackageName; 9102 final ManifestDigest manifestDigest; 9103 final UserHandle user; 9104 final String abiOverride; 9105 9106 // The list of instruction sets supported by this app. This is currently 9107 // only used during the rmdex() phase to clean up resources. We can get rid of this 9108 // if we move dex files under the common app path. 9109 /* nullable */ String[] instructionSets; 9110 9111 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9112 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9113 String[] instructionSets, String abiOverride) { 9114 this.origin = origin; 9115 this.installFlags = installFlags; 9116 this.observer = observer; 9117 this.installerPackageName = installerPackageName; 9118 this.manifestDigest = manifestDigest; 9119 this.user = user; 9120 this.instructionSets = instructionSets; 9121 this.abiOverride = abiOverride; 9122 } 9123 9124 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9125 abstract int doPreInstall(int status); 9126 9127 /** 9128 * Rename package into final resting place. All paths on the given 9129 * scanned package should be updated to reflect the rename. 9130 */ 9131 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9132 abstract int doPostInstall(int status, int uid); 9133 9134 /** @see PackageSettingBase#codePathString */ 9135 abstract String getCodePath(); 9136 /** @see PackageSettingBase#resourcePathString */ 9137 abstract String getResourcePath(); 9138 abstract String getLegacyNativeLibraryPath(); 9139 9140 // Need installer lock especially for dex file removal. 9141 abstract void cleanUpResourcesLI(); 9142 abstract boolean doPostDeleteLI(boolean delete); 9143 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9144 9145 /** 9146 * Called before the source arguments are copied. This is used mostly 9147 * for MoveParams when it needs to read the source file to put it in the 9148 * destination. 9149 */ 9150 int doPreCopy() { 9151 return PackageManager.INSTALL_SUCCEEDED; 9152 } 9153 9154 /** 9155 * Called after the source arguments are copied. This is used mostly for 9156 * MoveParams when it needs to read the source file to put it in the 9157 * destination. 9158 * 9159 * @return 9160 */ 9161 int doPostCopy(int uid) { 9162 return PackageManager.INSTALL_SUCCEEDED; 9163 } 9164 9165 protected boolean isFwdLocked() { 9166 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9167 } 9168 9169 protected boolean isExternal() { 9170 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9171 } 9172 9173 UserHandle getUser() { 9174 return user; 9175 } 9176 } 9177 9178 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9179 if (!allCodePaths.isEmpty()) { 9180 if (instructionSets == null) { 9181 throw new IllegalStateException("instructionSet == null"); 9182 } 9183 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9184 for (String codePath : allCodePaths) { 9185 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9186 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9187 if (retCode < 0) { 9188 Slog.w(TAG, "Couldn't remove dex file for package: " 9189 + " at location " + codePath + ", retcode=" + retCode); 9190 // we don't consider this to be a failure of the core package deletion 9191 } 9192 } 9193 } 9194 } 9195 } 9196 9197 /** 9198 * Logic to handle installation of non-ASEC applications, including copying 9199 * and renaming logic. 9200 */ 9201 class FileInstallArgs extends InstallArgs { 9202 private File codeFile; 9203 private File resourceFile; 9204 private File legacyNativeLibraryPath; 9205 9206 // Example topology: 9207 // /data/app/com.example/base.apk 9208 // /data/app/com.example/split_foo.apk 9209 // /data/app/com.example/lib/arm/libfoo.so 9210 // /data/app/com.example/lib/arm64/libfoo.so 9211 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9212 9213 /** New install */ 9214 FileInstallArgs(InstallParams params) { 9215 super(params.origin, params.observer, params.installFlags, 9216 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9217 null /* instruction sets */, params.packageAbiOverride); 9218 if (isFwdLocked()) { 9219 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9220 } 9221 } 9222 9223 /** Existing install */ 9224 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9225 String[] instructionSets) { 9226 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9227 this.codeFile = (codePath != null) ? new File(codePath) : null; 9228 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9229 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9230 new File(legacyNativeLibraryPath) : null; 9231 } 9232 9233 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9234 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9235 isFwdLocked(), abiOverride); 9236 9237 final StorageManager storage = StorageManager.from(mContext); 9238 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9239 } 9240 9241 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9242 if (origin.staged) { 9243 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9244 codeFile = origin.file; 9245 resourceFile = origin.file; 9246 return PackageManager.INSTALL_SUCCEEDED; 9247 } 9248 9249 try { 9250 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9251 codeFile = tempDir; 9252 resourceFile = tempDir; 9253 } catch (IOException e) { 9254 Slog.w(TAG, "Failed to create copy file: " + e); 9255 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9256 } 9257 9258 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9259 @Override 9260 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9261 if (!FileUtils.isValidExtFilename(name)) { 9262 throw new IllegalArgumentException("Invalid filename: " + name); 9263 } 9264 try { 9265 final File file = new File(codeFile, name); 9266 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9267 O_RDWR | O_CREAT, 0644); 9268 Os.chmod(file.getAbsolutePath(), 0644); 9269 return new ParcelFileDescriptor(fd); 9270 } catch (ErrnoException e) { 9271 throw new RemoteException("Failed to open: " + e.getMessage()); 9272 } 9273 } 9274 }; 9275 9276 int ret = PackageManager.INSTALL_SUCCEEDED; 9277 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9278 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9279 Slog.e(TAG, "Failed to copy package"); 9280 return ret; 9281 } 9282 9283 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9284 NativeLibraryHelper.Handle handle = null; 9285 try { 9286 handle = NativeLibraryHelper.Handle.create(codeFile); 9287 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9288 abiOverride); 9289 } catch (IOException e) { 9290 Slog.e(TAG, "Copying native libraries failed", e); 9291 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9292 } finally { 9293 IoUtils.closeQuietly(handle); 9294 } 9295 9296 return ret; 9297 } 9298 9299 int doPreInstall(int status) { 9300 if (status != PackageManager.INSTALL_SUCCEEDED) { 9301 cleanUp(); 9302 } 9303 return status; 9304 } 9305 9306 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9307 if (status != PackageManager.INSTALL_SUCCEEDED) { 9308 cleanUp(); 9309 return false; 9310 } else { 9311 final File beforeCodeFile = codeFile; 9312 final File afterCodeFile = getNextCodePath(pkg.packageName); 9313 9314 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9315 try { 9316 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9317 } catch (ErrnoException e) { 9318 Slog.d(TAG, "Failed to rename", e); 9319 return false; 9320 } 9321 9322 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9323 Slog.d(TAG, "Failed to restorecon"); 9324 return false; 9325 } 9326 9327 // Reflect the rename internally 9328 codeFile = afterCodeFile; 9329 resourceFile = afterCodeFile; 9330 9331 // Reflect the rename in scanned details 9332 pkg.codePath = afterCodeFile.getAbsolutePath(); 9333 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9334 pkg.baseCodePath); 9335 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9336 pkg.splitCodePaths); 9337 9338 // Reflect the rename in app info 9339 pkg.applicationInfo.setCodePath(pkg.codePath); 9340 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9341 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9342 pkg.applicationInfo.setResourcePath(pkg.codePath); 9343 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9344 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9345 9346 return true; 9347 } 9348 } 9349 9350 int doPostInstall(int status, int uid) { 9351 if (status != PackageManager.INSTALL_SUCCEEDED) { 9352 cleanUp(); 9353 } 9354 return status; 9355 } 9356 9357 @Override 9358 String getCodePath() { 9359 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9360 } 9361 9362 @Override 9363 String getResourcePath() { 9364 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9365 } 9366 9367 @Override 9368 String getLegacyNativeLibraryPath() { 9369 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9370 } 9371 9372 private boolean cleanUp() { 9373 if (codeFile == null || !codeFile.exists()) { 9374 return false; 9375 } 9376 9377 if (codeFile.isDirectory()) { 9378 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 9379 } else { 9380 codeFile.delete(); 9381 } 9382 9383 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9384 resourceFile.delete(); 9385 } 9386 9387 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9388 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9389 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9390 } 9391 legacyNativeLibraryPath.delete(); 9392 } 9393 9394 return true; 9395 } 9396 9397 void cleanUpResourcesLI() { 9398 // Try enumerating all code paths before deleting 9399 List<String> allCodePaths = Collections.EMPTY_LIST; 9400 if (codeFile != null && codeFile.exists()) { 9401 try { 9402 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9403 allCodePaths = pkg.getAllCodePaths(); 9404 } catch (PackageParserException e) { 9405 // Ignored; we tried our best 9406 } 9407 } 9408 9409 cleanUp(); 9410 removeDexFiles(allCodePaths, instructionSets); 9411 } 9412 9413 boolean doPostDeleteLI(boolean delete) { 9414 // XXX err, shouldn't we respect the delete flag? 9415 cleanUpResourcesLI(); 9416 return true; 9417 } 9418 } 9419 9420 private boolean isAsecExternal(String cid) { 9421 final String asecPath = PackageHelper.getSdFilesystem(cid); 9422 return !asecPath.startsWith(mAsecInternalPath); 9423 } 9424 9425 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9426 PackageManagerException { 9427 if (copyRet < 0) { 9428 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9429 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9430 throw new PackageManagerException(copyRet, message); 9431 } 9432 } 9433 } 9434 9435 /** 9436 * Extract the MountService "container ID" from the full code path of an 9437 * .apk. 9438 */ 9439 static String cidFromCodePath(String fullCodePath) { 9440 int eidx = fullCodePath.lastIndexOf("/"); 9441 String subStr1 = fullCodePath.substring(0, eidx); 9442 int sidx = subStr1.lastIndexOf("/"); 9443 return subStr1.substring(sidx+1, eidx); 9444 } 9445 9446 /** 9447 * Logic to handle installation of ASEC applications, including copying and 9448 * renaming logic. 9449 */ 9450 class AsecInstallArgs extends InstallArgs { 9451 static final String RES_FILE_NAME = "pkg.apk"; 9452 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9453 9454 String cid; 9455 String packagePath; 9456 String resourcePath; 9457 String legacyNativeLibraryDir; 9458 9459 /** New install */ 9460 AsecInstallArgs(InstallParams params) { 9461 super(params.origin, params.observer, params.installFlags, 9462 params.installerPackageName, params.getManifestDigest(), 9463 params.getUser(), null /* instruction sets */, 9464 params.packageAbiOverride); 9465 } 9466 9467 /** Existing install */ 9468 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9469 boolean isExternal, boolean isForwardLocked) { 9470 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9471 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9472 instructionSets, null); 9473 // Hackily pretend we're still looking at a full code path 9474 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9475 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9476 } 9477 9478 // Extract cid from fullCodePath 9479 int eidx = fullCodePath.lastIndexOf("/"); 9480 String subStr1 = fullCodePath.substring(0, eidx); 9481 int sidx = subStr1.lastIndexOf("/"); 9482 cid = subStr1.substring(sidx+1, eidx); 9483 setMountPath(subStr1); 9484 } 9485 9486 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9487 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9488 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9489 instructionSets, null); 9490 this.cid = cid; 9491 setMountPath(PackageHelper.getSdDir(cid)); 9492 } 9493 9494 void createCopyFile() { 9495 cid = mInstallerService.allocateExternalStageCidLegacy(); 9496 } 9497 9498 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9499 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9500 abiOverride); 9501 9502 final File target; 9503 if (isExternal()) { 9504 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9505 } else { 9506 target = Environment.getDataDirectory(); 9507 } 9508 9509 final StorageManager storage = StorageManager.from(mContext); 9510 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9511 } 9512 9513 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9514 if (origin.staged) { 9515 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9516 cid = origin.cid; 9517 setMountPath(PackageHelper.getSdDir(cid)); 9518 return PackageManager.INSTALL_SUCCEEDED; 9519 } 9520 9521 if (temp) { 9522 createCopyFile(); 9523 } else { 9524 /* 9525 * Pre-emptively destroy the container since it's destroyed if 9526 * copying fails due to it existing anyway. 9527 */ 9528 PackageHelper.destroySdDir(cid); 9529 } 9530 9531 final String newMountPath = imcs.copyPackageToContainer( 9532 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9533 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9534 9535 if (newMountPath != null) { 9536 setMountPath(newMountPath); 9537 return PackageManager.INSTALL_SUCCEEDED; 9538 } else { 9539 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9540 } 9541 } 9542 9543 @Override 9544 String getCodePath() { 9545 return packagePath; 9546 } 9547 9548 @Override 9549 String getResourcePath() { 9550 return resourcePath; 9551 } 9552 9553 @Override 9554 String getLegacyNativeLibraryPath() { 9555 return legacyNativeLibraryDir; 9556 } 9557 9558 int doPreInstall(int status) { 9559 if (status != PackageManager.INSTALL_SUCCEEDED) { 9560 // Destroy container 9561 PackageHelper.destroySdDir(cid); 9562 } else { 9563 boolean mounted = PackageHelper.isContainerMounted(cid); 9564 if (!mounted) { 9565 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9566 Process.SYSTEM_UID); 9567 if (newMountPath != null) { 9568 setMountPath(newMountPath); 9569 } else { 9570 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9571 } 9572 } 9573 } 9574 return status; 9575 } 9576 9577 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9578 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9579 String newMountPath = null; 9580 if (PackageHelper.isContainerMounted(cid)) { 9581 // Unmount the container 9582 if (!PackageHelper.unMountSdDir(cid)) { 9583 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9584 return false; 9585 } 9586 } 9587 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9588 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9589 " which might be stale. Will try to clean up."); 9590 // Clean up the stale container and proceed to recreate. 9591 if (!PackageHelper.destroySdDir(newCacheId)) { 9592 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9593 return false; 9594 } 9595 // Successfully cleaned up stale container. Try to rename again. 9596 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9597 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9598 + " inspite of cleaning it up."); 9599 return false; 9600 } 9601 } 9602 if (!PackageHelper.isContainerMounted(newCacheId)) { 9603 Slog.w(TAG, "Mounting container " + newCacheId); 9604 newMountPath = PackageHelper.mountSdDir(newCacheId, 9605 getEncryptKey(), Process.SYSTEM_UID); 9606 } else { 9607 newMountPath = PackageHelper.getSdDir(newCacheId); 9608 } 9609 if (newMountPath == null) { 9610 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9611 return false; 9612 } 9613 Log.i(TAG, "Succesfully renamed " + cid + 9614 " to " + newCacheId + 9615 " at new path: " + newMountPath); 9616 cid = newCacheId; 9617 9618 final File beforeCodeFile = new File(packagePath); 9619 setMountPath(newMountPath); 9620 final File afterCodeFile = new File(packagePath); 9621 9622 // Reflect the rename in scanned details 9623 pkg.codePath = afterCodeFile.getAbsolutePath(); 9624 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9625 pkg.baseCodePath); 9626 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9627 pkg.splitCodePaths); 9628 9629 // Reflect the rename in app info 9630 pkg.applicationInfo.setCodePath(pkg.codePath); 9631 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9632 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9633 pkg.applicationInfo.setResourcePath(pkg.codePath); 9634 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9635 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9636 9637 return true; 9638 } 9639 9640 private void setMountPath(String mountPath) { 9641 final File mountFile = new File(mountPath); 9642 9643 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9644 if (monolithicFile.exists()) { 9645 packagePath = monolithicFile.getAbsolutePath(); 9646 if (isFwdLocked()) { 9647 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9648 } else { 9649 resourcePath = packagePath; 9650 } 9651 } else { 9652 packagePath = mountFile.getAbsolutePath(); 9653 resourcePath = packagePath; 9654 } 9655 9656 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9657 } 9658 9659 int doPostInstall(int status, int uid) { 9660 if (status != PackageManager.INSTALL_SUCCEEDED) { 9661 cleanUp(); 9662 } else { 9663 final int groupOwner; 9664 final String protectedFile; 9665 if (isFwdLocked()) { 9666 groupOwner = UserHandle.getSharedAppGid(uid); 9667 protectedFile = RES_FILE_NAME; 9668 } else { 9669 groupOwner = -1; 9670 protectedFile = null; 9671 } 9672 9673 if (uid < Process.FIRST_APPLICATION_UID 9674 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9675 Slog.e(TAG, "Failed to finalize " + cid); 9676 PackageHelper.destroySdDir(cid); 9677 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9678 } 9679 9680 boolean mounted = PackageHelper.isContainerMounted(cid); 9681 if (!mounted) { 9682 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9683 } 9684 } 9685 return status; 9686 } 9687 9688 private void cleanUp() { 9689 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9690 9691 // Destroy secure container 9692 PackageHelper.destroySdDir(cid); 9693 } 9694 9695 private List<String> getAllCodePaths() { 9696 final File codeFile = new File(getCodePath()); 9697 if (codeFile != null && codeFile.exists()) { 9698 try { 9699 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9700 return pkg.getAllCodePaths(); 9701 } catch (PackageParserException e) { 9702 // Ignored; we tried our best 9703 } 9704 } 9705 return Collections.EMPTY_LIST; 9706 } 9707 9708 void cleanUpResourcesLI() { 9709 // Enumerate all code paths before deleting 9710 cleanUpResourcesLI(getAllCodePaths()); 9711 } 9712 9713 private void cleanUpResourcesLI(List<String> allCodePaths) { 9714 cleanUp(); 9715 removeDexFiles(allCodePaths, instructionSets); 9716 } 9717 9718 9719 9720 String getPackageName() { 9721 return getAsecPackageName(cid); 9722 } 9723 9724 boolean doPostDeleteLI(boolean delete) { 9725 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9726 final List<String> allCodePaths = getAllCodePaths(); 9727 boolean mounted = PackageHelper.isContainerMounted(cid); 9728 if (mounted) { 9729 // Unmount first 9730 if (PackageHelper.unMountSdDir(cid)) { 9731 mounted = false; 9732 } 9733 } 9734 if (!mounted && delete) { 9735 cleanUpResourcesLI(allCodePaths); 9736 } 9737 return !mounted; 9738 } 9739 9740 @Override 9741 int doPreCopy() { 9742 if (isFwdLocked()) { 9743 if (!PackageHelper.fixSdPermissions(cid, 9744 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9745 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9746 } 9747 } 9748 9749 return PackageManager.INSTALL_SUCCEEDED; 9750 } 9751 9752 @Override 9753 int doPostCopy(int uid) { 9754 if (isFwdLocked()) { 9755 if (uid < Process.FIRST_APPLICATION_UID 9756 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9757 RES_FILE_NAME)) { 9758 Slog.e(TAG, "Failed to finalize " + cid); 9759 PackageHelper.destroySdDir(cid); 9760 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9761 } 9762 } 9763 9764 return PackageManager.INSTALL_SUCCEEDED; 9765 } 9766 } 9767 9768 static String getAsecPackageName(String packageCid) { 9769 int idx = packageCid.lastIndexOf("-"); 9770 if (idx == -1) { 9771 return packageCid; 9772 } 9773 return packageCid.substring(0, idx); 9774 } 9775 9776 // Utility method used to create code paths based on package name and available index. 9777 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9778 String idxStr = ""; 9779 int idx = 1; 9780 // Fall back to default value of idx=1 if prefix is not 9781 // part of oldCodePath 9782 if (oldCodePath != null) { 9783 String subStr = oldCodePath; 9784 // Drop the suffix right away 9785 if (suffix != null && subStr.endsWith(suffix)) { 9786 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9787 } 9788 // If oldCodePath already contains prefix find out the 9789 // ending index to either increment or decrement. 9790 int sidx = subStr.lastIndexOf(prefix); 9791 if (sidx != -1) { 9792 subStr = subStr.substring(sidx + prefix.length()); 9793 if (subStr != null) { 9794 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9795 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9796 } 9797 try { 9798 idx = Integer.parseInt(subStr); 9799 if (idx <= 1) { 9800 idx++; 9801 } else { 9802 idx--; 9803 } 9804 } catch(NumberFormatException e) { 9805 } 9806 } 9807 } 9808 } 9809 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9810 return prefix + idxStr; 9811 } 9812 9813 private File getNextCodePath(String packageName) { 9814 int suffix = 1; 9815 File result; 9816 do { 9817 result = new File(mAppInstallDir, packageName + "-" + suffix); 9818 suffix++; 9819 } while (result.exists()); 9820 return result; 9821 } 9822 9823 // Utility method that returns the relative package path with respect 9824 // to the installation directory. Like say for /data/data/com.test-1.apk 9825 // string com.test-1 is returned. 9826 static String deriveCodePathName(String codePath) { 9827 if (codePath == null) { 9828 return null; 9829 } 9830 final File codeFile = new File(codePath); 9831 final String name = codeFile.getName(); 9832 if (codeFile.isDirectory()) { 9833 return name; 9834 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9835 final int lastDot = name.lastIndexOf('.'); 9836 return name.substring(0, lastDot); 9837 } else { 9838 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9839 return null; 9840 } 9841 } 9842 9843 class PackageInstalledInfo { 9844 String name; 9845 int uid; 9846 // The set of users that originally had this package installed. 9847 int[] origUsers; 9848 // The set of users that now have this package installed. 9849 int[] newUsers; 9850 PackageParser.Package pkg; 9851 int returnCode; 9852 String returnMsg; 9853 PackageRemovedInfo removedInfo; 9854 9855 public void setError(int code, String msg) { 9856 returnCode = code; 9857 returnMsg = msg; 9858 Slog.w(TAG, msg); 9859 } 9860 9861 public void setError(String msg, PackageParserException e) { 9862 returnCode = e.error; 9863 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9864 Slog.w(TAG, msg, e); 9865 } 9866 9867 public void setError(String msg, PackageManagerException e) { 9868 returnCode = e.error; 9869 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9870 Slog.w(TAG, msg, e); 9871 } 9872 9873 // In some error cases we want to convey more info back to the observer 9874 String origPackage; 9875 String origPermission; 9876 } 9877 9878 /* 9879 * Install a non-existing package. 9880 */ 9881 private void installNewPackageLI(PackageParser.Package pkg, 9882 int parseFlags, int scanFlags, UserHandle user, 9883 String installerPackageName, PackageInstalledInfo res) { 9884 // Remember this for later, in case we need to rollback this install 9885 String pkgName = pkg.packageName; 9886 9887 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9888 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9889 synchronized(mPackages) { 9890 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9891 // A package with the same name is already installed, though 9892 // it has been renamed to an older name. The package we 9893 // are trying to install should be installed as an update to 9894 // the existing one, but that has not been requested, so bail. 9895 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9896 + " without first uninstalling package running as " 9897 + mSettings.mRenamedPackages.get(pkgName)); 9898 return; 9899 } 9900 if (mPackages.containsKey(pkgName)) { 9901 // Don't allow installation over an existing package with the same name. 9902 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9903 + " without first uninstalling."); 9904 return; 9905 } 9906 } 9907 9908 try { 9909 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9910 System.currentTimeMillis(), user); 9911 9912 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9913 // delete the partially installed application. the data directory will have to be 9914 // restored if it was already existing 9915 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9916 // remove package from internal structures. Note that we want deletePackageX to 9917 // delete the package data and cache directories that it created in 9918 // scanPackageLocked, unless those directories existed before we even tried to 9919 // install. 9920 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9921 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9922 res.removedInfo, true); 9923 } 9924 9925 } catch (PackageManagerException e) { 9926 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9927 } 9928 } 9929 9930 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9931 // Upgrade keysets are being used. Determine if new package has a superset of the 9932 // required keys. 9933 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9934 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9935 for (int i = 0; i < upgradeKeySets.length; i++) { 9936 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9937 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9938 return true; 9939 } 9940 } 9941 return false; 9942 } 9943 9944 private void replacePackageLI(PackageParser.Package pkg, 9945 int parseFlags, int scanFlags, UserHandle user, 9946 String installerPackageName, PackageInstalledInfo res) { 9947 PackageParser.Package oldPackage; 9948 String pkgName = pkg.packageName; 9949 int[] allUsers; 9950 boolean[] perUserInstalled; 9951 9952 // First find the old package info and check signatures 9953 synchronized(mPackages) { 9954 oldPackage = mPackages.get(pkgName); 9955 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9956 PackageSetting ps = mSettings.mPackages.get(pkgName); 9957 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9958 // default to original signature matching 9959 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9960 != PackageManager.SIGNATURE_MATCH) { 9961 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9962 "New package has a different signature: " + pkgName); 9963 return; 9964 } 9965 } else { 9966 if(!checkUpgradeKeySetLP(ps, pkg)) { 9967 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9968 "New package not signed by keys specified by upgrade-keysets: " 9969 + pkgName); 9970 return; 9971 } 9972 } 9973 9974 // In case of rollback, remember per-user/profile install state 9975 allUsers = sUserManager.getUserIds(); 9976 perUserInstalled = new boolean[allUsers.length]; 9977 for (int i = 0; i < allUsers.length; i++) { 9978 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9979 } 9980 } 9981 9982 boolean sysPkg = (isSystemApp(oldPackage)); 9983 if (sysPkg) { 9984 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9985 user, allUsers, perUserInstalled, installerPackageName, res); 9986 } else { 9987 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9988 user, allUsers, perUserInstalled, installerPackageName, res); 9989 } 9990 } 9991 9992 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9993 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9994 int[] allUsers, boolean[] perUserInstalled, 9995 String installerPackageName, PackageInstalledInfo res) { 9996 String pkgName = deletedPackage.packageName; 9997 boolean deletedPkg = true; 9998 boolean updatedSettings = false; 9999 10000 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10001 + deletedPackage); 10002 long origUpdateTime; 10003 if (pkg.mExtras != null) { 10004 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10005 } else { 10006 origUpdateTime = 0; 10007 } 10008 10009 // First delete the existing package while retaining the data directory 10010 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10011 res.removedInfo, true)) { 10012 // If the existing package wasn't successfully deleted 10013 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10014 deletedPkg = false; 10015 } else { 10016 // Successfully deleted the old package; proceed with replace. 10017 10018 // If deleted package lived in a container, give users a chance to 10019 // relinquish resources before killing. 10020 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10021 if (DEBUG_INSTALL) { 10022 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10023 } 10024 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10025 final ArrayList<String> pkgList = new ArrayList<String>(1); 10026 pkgList.add(deletedPackage.applicationInfo.packageName); 10027 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10028 } 10029 10030 deleteCodeCacheDirsLI(pkgName); 10031 try { 10032 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10033 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10034 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10035 updatedSettings = true; 10036 } catch (PackageManagerException e) { 10037 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10038 } 10039 } 10040 10041 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10042 // remove package from internal structures. Note that we want deletePackageX to 10043 // delete the package data and cache directories that it created in 10044 // scanPackageLocked, unless those directories existed before we even tried to 10045 // install. 10046 if(updatedSettings) { 10047 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10048 deletePackageLI( 10049 pkgName, null, true, allUsers, perUserInstalled, 10050 PackageManager.DELETE_KEEP_DATA, 10051 res.removedInfo, true); 10052 } 10053 // Since we failed to install the new package we need to restore the old 10054 // package that we deleted. 10055 if (deletedPkg) { 10056 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10057 File restoreFile = new File(deletedPackage.codePath); 10058 // Parse old package 10059 boolean oldOnSd = isExternal(deletedPackage); 10060 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10061 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10062 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10063 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10064 try { 10065 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10066 } catch (PackageManagerException e) { 10067 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10068 + e.getMessage()); 10069 return; 10070 } 10071 // Restore of old package succeeded. Update permissions. 10072 // writer 10073 synchronized (mPackages) { 10074 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10075 UPDATE_PERMISSIONS_ALL); 10076 // can downgrade to reader 10077 mSettings.writeLPr(); 10078 } 10079 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10080 } 10081 } 10082 } 10083 10084 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10085 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10086 int[] allUsers, boolean[] perUserInstalled, 10087 String installerPackageName, PackageInstalledInfo res) { 10088 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10089 + ", old=" + deletedPackage); 10090 boolean disabledSystem = false; 10091 boolean updatedSettings = false; 10092 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10093 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10094 != 0) { 10095 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10096 } 10097 String packageName = deletedPackage.packageName; 10098 if (packageName == null) { 10099 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10100 "Attempt to delete null packageName."); 10101 return; 10102 } 10103 PackageParser.Package oldPkg; 10104 PackageSetting oldPkgSetting; 10105 // reader 10106 synchronized (mPackages) { 10107 oldPkg = mPackages.get(packageName); 10108 oldPkgSetting = mSettings.mPackages.get(packageName); 10109 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10110 (oldPkgSetting == null)) { 10111 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10112 "Couldn't find package:" + packageName + " information"); 10113 return; 10114 } 10115 } 10116 10117 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10118 10119 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10120 res.removedInfo.removedPackage = packageName; 10121 // Remove existing system package 10122 removePackageLI(oldPkgSetting, true); 10123 // writer 10124 synchronized (mPackages) { 10125 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10126 if (!disabledSystem && deletedPackage != null) { 10127 // We didn't need to disable the .apk as a current system package, 10128 // which means we are replacing another update that is already 10129 // installed. We need to make sure to delete the older one's .apk. 10130 res.removedInfo.args = createInstallArgsForExisting(0, 10131 deletedPackage.applicationInfo.getCodePath(), 10132 deletedPackage.applicationInfo.getResourcePath(), 10133 deletedPackage.applicationInfo.nativeLibraryRootDir, 10134 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10135 } else { 10136 res.removedInfo.args = null; 10137 } 10138 } 10139 10140 // Successfully disabled the old package. Now proceed with re-installation 10141 deleteCodeCacheDirsLI(packageName); 10142 10143 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10144 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10145 10146 PackageParser.Package newPackage = null; 10147 try { 10148 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10149 if (newPackage.mExtras != null) { 10150 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10151 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10152 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10153 10154 // is the update attempting to change shared user? that isn't going to work... 10155 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10156 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10157 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10158 + " to " + newPkgSetting.sharedUser); 10159 updatedSettings = true; 10160 } 10161 } 10162 10163 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10164 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10165 updatedSettings = true; 10166 } 10167 10168 } catch (PackageManagerException e) { 10169 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10170 } 10171 10172 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10173 // Re installation failed. Restore old information 10174 // Remove new pkg information 10175 if (newPackage != null) { 10176 removeInstalledPackageLI(newPackage, true); 10177 } 10178 // Add back the old system package 10179 try { 10180 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10181 } catch (PackageManagerException e) { 10182 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10183 } 10184 // Restore the old system information in Settings 10185 synchronized (mPackages) { 10186 if (disabledSystem) { 10187 mSettings.enableSystemPackageLPw(packageName); 10188 } 10189 if (updatedSettings) { 10190 mSettings.setInstallerPackageName(packageName, 10191 oldPkgSetting.installerPackageName); 10192 } 10193 mSettings.writeLPr(); 10194 } 10195 } 10196 } 10197 10198 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10199 int[] allUsers, boolean[] perUserInstalled, 10200 PackageInstalledInfo res) { 10201 String pkgName = newPackage.packageName; 10202 synchronized (mPackages) { 10203 //write settings. the installStatus will be incomplete at this stage. 10204 //note that the new package setting would have already been 10205 //added to mPackages. It hasn't been persisted yet. 10206 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10207 mSettings.writeLPr(); 10208 } 10209 10210 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10211 10212 synchronized (mPackages) { 10213 updatePermissionsLPw(newPackage.packageName, newPackage, 10214 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10215 ? UPDATE_PERMISSIONS_ALL : 0)); 10216 // For system-bundled packages, we assume that installing an upgraded version 10217 // of the package implies that the user actually wants to run that new code, 10218 // so we enable the package. 10219 if (isSystemApp(newPackage)) { 10220 // NB: implicit assumption that system package upgrades apply to all users 10221 if (DEBUG_INSTALL) { 10222 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10223 } 10224 PackageSetting ps = mSettings.mPackages.get(pkgName); 10225 if (ps != null) { 10226 if (res.origUsers != null) { 10227 for (int userHandle : res.origUsers) { 10228 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10229 userHandle, installerPackageName); 10230 } 10231 } 10232 // Also convey the prior install/uninstall state 10233 if (allUsers != null && perUserInstalled != null) { 10234 for (int i = 0; i < allUsers.length; i++) { 10235 if (DEBUG_INSTALL) { 10236 Slog.d(TAG, " user " + allUsers[i] 10237 + " => " + perUserInstalled[i]); 10238 } 10239 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10240 } 10241 // these install state changes will be persisted in the 10242 // upcoming call to mSettings.writeLPr(). 10243 } 10244 } 10245 } 10246 res.name = pkgName; 10247 res.uid = newPackage.applicationInfo.uid; 10248 res.pkg = newPackage; 10249 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10250 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10251 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10252 //to update install status 10253 mSettings.writeLPr(); 10254 } 10255 } 10256 10257 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10258 final int installFlags = args.installFlags; 10259 String installerPackageName = args.installerPackageName; 10260 File tmpPackageFile = new File(args.getCodePath()); 10261 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10262 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10263 boolean replace = false; 10264 int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10265 // Result object to be returned 10266 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10267 10268 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10269 // Retrieve PackageSettings and parse package 10270 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10271 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10272 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10273 PackageParser pp = new PackageParser(); 10274 pp.setSeparateProcesses(mSeparateProcesses); 10275 pp.setDisplayMetrics(mMetrics); 10276 10277 final PackageParser.Package pkg; 10278 try { 10279 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10280 } catch (PackageParserException e) { 10281 res.setError("Failed parse during installPackageLI", e); 10282 return; 10283 } 10284 10285 // Mark that we have an install time CPU ABI override. 10286 pkg.cpuAbiOverride = args.abiOverride; 10287 10288 String pkgName = res.name = pkg.packageName; 10289 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10290 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10291 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10292 return; 10293 } 10294 } 10295 10296 try { 10297 pp.collectCertificates(pkg, parseFlags); 10298 pp.collectManifestDigest(pkg); 10299 } catch (PackageParserException e) { 10300 res.setError("Failed collect during installPackageLI", e); 10301 return; 10302 } 10303 10304 /* If the installer passed in a manifest digest, compare it now. */ 10305 if (args.manifestDigest != null) { 10306 if (DEBUG_INSTALL) { 10307 final String parsedManifest = pkg.manifestDigest == null ? "null" 10308 : pkg.manifestDigest.toString(); 10309 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10310 + parsedManifest); 10311 } 10312 10313 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10314 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10315 return; 10316 } 10317 } else if (DEBUG_INSTALL) { 10318 final String parsedManifest = pkg.manifestDigest == null 10319 ? "null" : pkg.manifestDigest.toString(); 10320 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10321 } 10322 10323 // Get rid of all references to package scan path via parser. 10324 pp = null; 10325 String oldCodePath = null; 10326 boolean systemApp = false; 10327 synchronized (mPackages) { 10328 // Check if installing already existing package 10329 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10330 String oldName = mSettings.mRenamedPackages.get(pkgName); 10331 if (pkg.mOriginalPackages != null 10332 && pkg.mOriginalPackages.contains(oldName) 10333 && mPackages.containsKey(oldName)) { 10334 // This package is derived from an original package, 10335 // and this device has been updating from that original 10336 // name. We must continue using the original name, so 10337 // rename the new package here. 10338 pkg.setPackageName(oldName); 10339 pkgName = pkg.packageName; 10340 replace = true; 10341 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10342 + oldName + " pkgName=" + pkgName); 10343 } else if (mPackages.containsKey(pkgName)) { 10344 // This package, under its official name, already exists 10345 // on the device; we should replace it. 10346 replace = true; 10347 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10348 } 10349 } 10350 10351 PackageSetting ps = mSettings.mPackages.get(pkgName); 10352 if (ps != null) { 10353 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10354 10355 // Quick sanity check that we're signed correctly if updating; 10356 // we'll check this again later when scanning, but we want to 10357 // bail early here before tripping over redefined permissions. 10358 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10359 try { 10360 verifySignaturesLP(ps, pkg); 10361 } catch (PackageManagerException e) { 10362 res.setError(e.error, e.getMessage()); 10363 return; 10364 } 10365 } else { 10366 if (!checkUpgradeKeySetLP(ps, pkg)) { 10367 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10368 + pkg.packageName + " upgrade keys do not match the " 10369 + "previously installed version"); 10370 return; 10371 } 10372 } 10373 10374 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10375 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10376 systemApp = (ps.pkg.applicationInfo.flags & 10377 ApplicationInfo.FLAG_SYSTEM) != 0; 10378 } 10379 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10380 } 10381 10382 // Check whether the newly-scanned package wants to define an already-defined perm 10383 int N = pkg.permissions.size(); 10384 for (int i = N-1; i >= 0; i--) { 10385 PackageParser.Permission perm = pkg.permissions.get(i); 10386 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10387 if (bp != null) { 10388 // If the defining package is signed with our cert, it's okay. This 10389 // also includes the "updating the same package" case, of course. 10390 // "updating same package" could also involve key-rotation. 10391 final boolean sigsOk; 10392 if (!bp.sourcePackage.equals(pkg.packageName) 10393 || !(bp.packageSetting instanceof PackageSetting) 10394 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10395 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10396 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10397 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10398 } else { 10399 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10400 } 10401 if (!sigsOk) { 10402 // If the owning package is the system itself, we log but allow 10403 // install to proceed; we fail the install on all other permission 10404 // redefinitions. 10405 if (!bp.sourcePackage.equals("android")) { 10406 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10407 + pkg.packageName + " attempting to redeclare permission " 10408 + perm.info.name + " already owned by " + bp.sourcePackage); 10409 res.origPermission = perm.info.name; 10410 res.origPackage = bp.sourcePackage; 10411 return; 10412 } else { 10413 Slog.w(TAG, "Package " + pkg.packageName 10414 + " attempting to redeclare system permission " 10415 + perm.info.name + "; ignoring new declaration"); 10416 pkg.permissions.remove(i); 10417 } 10418 } 10419 } 10420 } 10421 10422 } 10423 10424 if (systemApp && onSd) { 10425 // Disable updates to system apps on sdcard 10426 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10427 "Cannot install updates to system apps on sdcard"); 10428 return; 10429 } 10430 10431 // If app directory is not writable, dexopt will be called after the rename 10432 if (!forwardLocked && pkg.applicationInfo.isInternal()) { 10433 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 10434 scanFlags |= SCAN_NO_DEX; 10435 try { 10436 deriveNonSystemPackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 10437 true /* extract libs */); 10438 } catch (PackageManagerException pme) { 10439 Slog.e(TAG, "Error deriving application ABI", pme); 10440 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 10441 return; 10442 } 10443 10444 // Run dexopt before old package gets removed, to minimize time when app is unavailable 10445 int result = mPackageDexOptimizer 10446 .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */, 10447 false /* defer */, false /* inclDependencies */); 10448 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 10449 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 10450 return; 10451 } 10452 } 10453 10454 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10455 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10456 return; 10457 } 10458 10459 if (replace) { 10460 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10461 installerPackageName, res); 10462 } else { 10463 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10464 args.user, installerPackageName, res); 10465 } 10466 synchronized (mPackages) { 10467 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10468 if (ps != null) { 10469 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10470 } 10471 } 10472 } 10473 10474 private static boolean isMultiArch(PackageSetting ps) { 10475 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10476 } 10477 10478 private static boolean isMultiArch(ApplicationInfo info) { 10479 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10480 } 10481 10482 private static boolean isExternal(PackageParser.Package pkg) { 10483 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10484 } 10485 10486 private static boolean isExternal(PackageSetting ps) { 10487 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10488 } 10489 10490 private static boolean isExternal(ApplicationInfo info) { 10491 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10492 } 10493 10494 private static boolean isSystemApp(PackageParser.Package pkg) { 10495 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10496 } 10497 10498 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10499 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10500 } 10501 10502 private static boolean isSystemApp(PackageSetting ps) { 10503 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10504 } 10505 10506 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10507 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10508 } 10509 10510 private int packageFlagsToInstallFlags(PackageSetting ps) { 10511 int installFlags = 0; 10512 if (isExternal(ps)) { 10513 installFlags |= PackageManager.INSTALL_EXTERNAL; 10514 } 10515 if (ps.isForwardLocked()) { 10516 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10517 } 10518 return installFlags; 10519 } 10520 10521 private void deleteTempPackageFiles() { 10522 final FilenameFilter filter = new FilenameFilter() { 10523 public boolean accept(File dir, String name) { 10524 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10525 } 10526 }; 10527 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10528 file.delete(); 10529 } 10530 } 10531 10532 @Override 10533 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10534 int flags) { 10535 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10536 flags); 10537 } 10538 10539 @Override 10540 public void deletePackage(final String packageName, 10541 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10542 mContext.enforceCallingOrSelfPermission( 10543 android.Manifest.permission.DELETE_PACKAGES, null); 10544 final int uid = Binder.getCallingUid(); 10545 if (UserHandle.getUserId(uid) != userId) { 10546 mContext.enforceCallingPermission( 10547 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10548 "deletePackage for user " + userId); 10549 } 10550 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10551 try { 10552 observer.onPackageDeleted(packageName, 10553 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10554 } catch (RemoteException re) { 10555 } 10556 return; 10557 } 10558 10559 boolean uninstallBlocked = false; 10560 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10561 int[] users = sUserManager.getUserIds(); 10562 for (int i = 0; i < users.length; ++i) { 10563 if (getBlockUninstallForUser(packageName, users[i])) { 10564 uninstallBlocked = true; 10565 break; 10566 } 10567 } 10568 } else { 10569 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10570 } 10571 if (uninstallBlocked) { 10572 try { 10573 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10574 null); 10575 } catch (RemoteException re) { 10576 } 10577 return; 10578 } 10579 10580 if (DEBUG_REMOVE) { 10581 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10582 } 10583 // Queue up an async operation since the package deletion may take a little while. 10584 mHandler.post(new Runnable() { 10585 public void run() { 10586 mHandler.removeCallbacks(this); 10587 final int returnCode = deletePackageX(packageName, userId, flags); 10588 if (observer != null) { 10589 try { 10590 observer.onPackageDeleted(packageName, returnCode, null); 10591 } catch (RemoteException e) { 10592 Log.i(TAG, "Observer no longer exists."); 10593 } //end catch 10594 } //end if 10595 } //end run 10596 }); 10597 } 10598 10599 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10600 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10601 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10602 try { 10603 if (dpm != null) { 10604 if (dpm.isDeviceOwner(packageName)) { 10605 return true; 10606 } 10607 int[] users; 10608 if (userId == UserHandle.USER_ALL) { 10609 users = sUserManager.getUserIds(); 10610 } else { 10611 users = new int[]{userId}; 10612 } 10613 for (int i = 0; i < users.length; ++i) { 10614 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10615 return true; 10616 } 10617 } 10618 } 10619 } catch (RemoteException e) { 10620 } 10621 return false; 10622 } 10623 10624 /** 10625 * This method is an internal method that could be get invoked either 10626 * to delete an installed package or to clean up a failed installation. 10627 * After deleting an installed package, a broadcast is sent to notify any 10628 * listeners that the package has been installed. For cleaning up a failed 10629 * installation, the broadcast is not necessary since the package's 10630 * installation wouldn't have sent the initial broadcast either 10631 * The key steps in deleting a package are 10632 * deleting the package information in internal structures like mPackages, 10633 * deleting the packages base directories through installd 10634 * updating mSettings to reflect current status 10635 * persisting settings for later use 10636 * sending a broadcast if necessary 10637 */ 10638 private int deletePackageX(String packageName, int userId, int flags) { 10639 final PackageRemovedInfo info = new PackageRemovedInfo(); 10640 final boolean res; 10641 10642 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10643 ? UserHandle.ALL : new UserHandle(userId); 10644 10645 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10646 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10647 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10648 } 10649 10650 boolean removedForAllUsers = false; 10651 boolean systemUpdate = false; 10652 10653 // for the uninstall-updates case and restricted profiles, remember the per- 10654 // userhandle installed state 10655 int[] allUsers; 10656 boolean[] perUserInstalled; 10657 synchronized (mPackages) { 10658 PackageSetting ps = mSettings.mPackages.get(packageName); 10659 allUsers = sUserManager.getUserIds(); 10660 perUserInstalled = new boolean[allUsers.length]; 10661 for (int i = 0; i < allUsers.length; i++) { 10662 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10663 } 10664 } 10665 10666 synchronized (mInstallLock) { 10667 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10668 res = deletePackageLI(packageName, removeForUser, 10669 true, allUsers, perUserInstalled, 10670 flags | REMOVE_CHATTY, info, true); 10671 systemUpdate = info.isRemovedPackageSystemUpdate; 10672 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10673 removedForAllUsers = true; 10674 } 10675 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10676 + " removedForAllUsers=" + removedForAllUsers); 10677 } 10678 10679 if (res) { 10680 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10681 10682 // If the removed package was a system update, the old system package 10683 // was re-enabled; we need to broadcast this information 10684 if (systemUpdate) { 10685 Bundle extras = new Bundle(1); 10686 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10687 ? info.removedAppId : info.uid); 10688 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10689 10690 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10691 extras, null, null, null); 10692 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10693 extras, null, null, null); 10694 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10695 null, packageName, null, null); 10696 } 10697 } 10698 // Force a gc here. 10699 Runtime.getRuntime().gc(); 10700 // Delete the resources here after sending the broadcast to let 10701 // other processes clean up before deleting resources. 10702 if (info.args != null) { 10703 synchronized (mInstallLock) { 10704 info.args.doPostDeleteLI(true); 10705 } 10706 } 10707 10708 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10709 } 10710 10711 static class PackageRemovedInfo { 10712 String removedPackage; 10713 int uid = -1; 10714 int removedAppId = -1; 10715 int[] removedUsers = null; 10716 boolean isRemovedPackageSystemUpdate = false; 10717 // Clean up resources deleted packages. 10718 InstallArgs args = null; 10719 10720 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10721 Bundle extras = new Bundle(1); 10722 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10723 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10724 if (replacing) { 10725 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10726 } 10727 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10728 if (removedPackage != null) { 10729 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10730 extras, null, null, removedUsers); 10731 if (fullRemove && !replacing) { 10732 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10733 extras, null, null, removedUsers); 10734 } 10735 } 10736 if (removedAppId >= 0) { 10737 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10738 removedUsers); 10739 } 10740 } 10741 } 10742 10743 /* 10744 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10745 * flag is not set, the data directory is removed as well. 10746 * make sure this flag is set for partially installed apps. If not its meaningless to 10747 * delete a partially installed application. 10748 */ 10749 private void removePackageDataLI(PackageSetting ps, 10750 int[] allUserHandles, boolean[] perUserInstalled, 10751 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10752 String packageName = ps.name; 10753 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10754 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10755 // Retrieve object to delete permissions for shared user later on 10756 final PackageSetting deletedPs; 10757 // reader 10758 synchronized (mPackages) { 10759 deletedPs = mSettings.mPackages.get(packageName); 10760 if (outInfo != null) { 10761 outInfo.removedPackage = packageName; 10762 outInfo.removedUsers = deletedPs != null 10763 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10764 : null; 10765 } 10766 } 10767 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10768 removeDataDirsLI(packageName); 10769 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10770 } 10771 // writer 10772 synchronized (mPackages) { 10773 if (deletedPs != null) { 10774 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10775 if (outInfo != null) { 10776 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10777 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10778 } 10779 if (deletedPs != null) { 10780 updatePermissionsLPw(deletedPs.name, null, 0); 10781 if (deletedPs.sharedUser != null) { 10782 // remove permissions associated with package 10783 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10784 } 10785 } 10786 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10787 } 10788 // make sure to preserve per-user disabled state if this removal was just 10789 // a downgrade of a system app to the factory package 10790 if (allUserHandles != null && perUserInstalled != null) { 10791 if (DEBUG_REMOVE) { 10792 Slog.d(TAG, "Propagating install state across downgrade"); 10793 } 10794 for (int i = 0; i < allUserHandles.length; i++) { 10795 if (DEBUG_REMOVE) { 10796 Slog.d(TAG, " user " + allUserHandles[i] 10797 + " => " + perUserInstalled[i]); 10798 } 10799 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10800 } 10801 } 10802 } 10803 // can downgrade to reader 10804 if (writeSettings) { 10805 // Save settings now 10806 mSettings.writeLPr(); 10807 } 10808 } 10809 if (outInfo != null) { 10810 // A user ID was deleted here. Go through all users and remove it 10811 // from KeyStore. 10812 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10813 } 10814 } 10815 10816 static boolean locationIsPrivileged(File path) { 10817 try { 10818 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10819 .getCanonicalPath(); 10820 return path.getCanonicalPath().startsWith(privilegedAppDir); 10821 } catch (IOException e) { 10822 Slog.e(TAG, "Unable to access code path " + path); 10823 } 10824 return false; 10825 } 10826 10827 /* 10828 * Tries to delete system package. 10829 */ 10830 private boolean deleteSystemPackageLI(PackageSetting newPs, 10831 int[] allUserHandles, boolean[] perUserInstalled, 10832 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10833 final boolean applyUserRestrictions 10834 = (allUserHandles != null) && (perUserInstalled != null); 10835 PackageSetting disabledPs = null; 10836 // Confirm if the system package has been updated 10837 // An updated system app can be deleted. This will also have to restore 10838 // the system pkg from system partition 10839 // reader 10840 synchronized (mPackages) { 10841 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10842 } 10843 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10844 + " disabledPs=" + disabledPs); 10845 if (disabledPs == null) { 10846 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10847 return false; 10848 } else if (DEBUG_REMOVE) { 10849 Slog.d(TAG, "Deleting system pkg from data partition"); 10850 } 10851 if (DEBUG_REMOVE) { 10852 if (applyUserRestrictions) { 10853 Slog.d(TAG, "Remembering install states:"); 10854 for (int i = 0; i < allUserHandles.length; i++) { 10855 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10856 } 10857 } 10858 } 10859 // Delete the updated package 10860 outInfo.isRemovedPackageSystemUpdate = true; 10861 if (disabledPs.versionCode < newPs.versionCode) { 10862 // Delete data for downgrades 10863 flags &= ~PackageManager.DELETE_KEEP_DATA; 10864 } else { 10865 // Preserve data by setting flag 10866 flags |= PackageManager.DELETE_KEEP_DATA; 10867 } 10868 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10869 allUserHandles, perUserInstalled, outInfo, writeSettings); 10870 if (!ret) { 10871 return false; 10872 } 10873 // writer 10874 synchronized (mPackages) { 10875 // Reinstate the old system package 10876 mSettings.enableSystemPackageLPw(newPs.name); 10877 // Remove any native libraries from the upgraded package. 10878 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10879 } 10880 // Install the system package 10881 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10882 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10883 if (locationIsPrivileged(disabledPs.codePath)) { 10884 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10885 } 10886 10887 final PackageParser.Package newPkg; 10888 try { 10889 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10890 } catch (PackageManagerException e) { 10891 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10892 return false; 10893 } 10894 10895 // writer 10896 synchronized (mPackages) { 10897 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10898 updatePermissionsLPw(newPkg.packageName, newPkg, 10899 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10900 if (applyUserRestrictions) { 10901 if (DEBUG_REMOVE) { 10902 Slog.d(TAG, "Propagating install state across reinstall"); 10903 } 10904 for (int i = 0; i < allUserHandles.length; i++) { 10905 if (DEBUG_REMOVE) { 10906 Slog.d(TAG, " user " + allUserHandles[i] 10907 + " => " + perUserInstalled[i]); 10908 } 10909 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10910 } 10911 // Regardless of writeSettings we need to ensure that this restriction 10912 // state propagation is persisted 10913 mSettings.writeAllUsersPackageRestrictionsLPr(); 10914 } 10915 // can downgrade to reader here 10916 if (writeSettings) { 10917 mSettings.writeLPr(); 10918 } 10919 } 10920 return true; 10921 } 10922 10923 private boolean deleteInstalledPackageLI(PackageSetting ps, 10924 boolean deleteCodeAndResources, int flags, 10925 int[] allUserHandles, boolean[] perUserInstalled, 10926 PackageRemovedInfo outInfo, boolean writeSettings) { 10927 if (outInfo != null) { 10928 outInfo.uid = ps.appId; 10929 } 10930 10931 // Delete package data from internal structures and also remove data if flag is set 10932 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10933 10934 // Delete application code and resources 10935 if (deleteCodeAndResources && (outInfo != null)) { 10936 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10937 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10938 getAppDexInstructionSets(ps)); 10939 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10940 } 10941 return true; 10942 } 10943 10944 @Override 10945 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10946 int userId) { 10947 mContext.enforceCallingOrSelfPermission( 10948 android.Manifest.permission.DELETE_PACKAGES, null); 10949 synchronized (mPackages) { 10950 PackageSetting ps = mSettings.mPackages.get(packageName); 10951 if (ps == null) { 10952 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10953 return false; 10954 } 10955 if (!ps.getInstalled(userId)) { 10956 // Can't block uninstall for an app that is not installed or enabled. 10957 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10958 return false; 10959 } 10960 ps.setBlockUninstall(blockUninstall, userId); 10961 mSettings.writePackageRestrictionsLPr(userId); 10962 } 10963 return true; 10964 } 10965 10966 @Override 10967 public boolean getBlockUninstallForUser(String packageName, int userId) { 10968 synchronized (mPackages) { 10969 PackageSetting ps = mSettings.mPackages.get(packageName); 10970 if (ps == null) { 10971 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10972 return false; 10973 } 10974 return ps.getBlockUninstall(userId); 10975 } 10976 } 10977 10978 /* 10979 * This method handles package deletion in general 10980 */ 10981 private boolean deletePackageLI(String packageName, UserHandle user, 10982 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10983 int flags, PackageRemovedInfo outInfo, 10984 boolean writeSettings) { 10985 if (packageName == null) { 10986 Slog.w(TAG, "Attempt to delete null packageName."); 10987 return false; 10988 } 10989 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10990 PackageSetting ps; 10991 boolean dataOnly = false; 10992 int removeUser = -1; 10993 int appId = -1; 10994 synchronized (mPackages) { 10995 ps = mSettings.mPackages.get(packageName); 10996 if (ps == null) { 10997 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10998 return false; 10999 } 11000 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11001 && user.getIdentifier() != UserHandle.USER_ALL) { 11002 // The caller is asking that the package only be deleted for a single 11003 // user. To do this, we just mark its uninstalled state and delete 11004 // its data. If this is a system app, we only allow this to happen if 11005 // they have set the special DELETE_SYSTEM_APP which requests different 11006 // semantics than normal for uninstalling system apps. 11007 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11008 ps.setUserState(user.getIdentifier(), 11009 COMPONENT_ENABLED_STATE_DEFAULT, 11010 false, //installed 11011 true, //stopped 11012 true, //notLaunched 11013 false, //hidden 11014 null, null, null, 11015 false // blockUninstall 11016 ); 11017 if (!isSystemApp(ps)) { 11018 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11019 // Other user still have this package installed, so all 11020 // we need to do is clear this user's data and save that 11021 // it is uninstalled. 11022 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11023 removeUser = user.getIdentifier(); 11024 appId = ps.appId; 11025 mSettings.writePackageRestrictionsLPr(removeUser); 11026 } else { 11027 // We need to set it back to 'installed' so the uninstall 11028 // broadcasts will be sent correctly. 11029 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11030 ps.setInstalled(true, user.getIdentifier()); 11031 } 11032 } else { 11033 // This is a system app, so we assume that the 11034 // other users still have this package installed, so all 11035 // we need to do is clear this user's data and save that 11036 // it is uninstalled. 11037 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11038 removeUser = user.getIdentifier(); 11039 appId = ps.appId; 11040 mSettings.writePackageRestrictionsLPr(removeUser); 11041 } 11042 } 11043 } 11044 11045 if (removeUser >= 0) { 11046 // From above, we determined that we are deleting this only 11047 // for a single user. Continue the work here. 11048 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11049 if (outInfo != null) { 11050 outInfo.removedPackage = packageName; 11051 outInfo.removedAppId = appId; 11052 outInfo.removedUsers = new int[] {removeUser}; 11053 } 11054 mInstaller.clearUserData(packageName, removeUser); 11055 removeKeystoreDataIfNeeded(removeUser, appId); 11056 schedulePackageCleaning(packageName, removeUser, false); 11057 return true; 11058 } 11059 11060 if (dataOnly) { 11061 // Delete application data first 11062 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11063 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11064 return true; 11065 } 11066 11067 boolean ret = false; 11068 if (isSystemApp(ps)) { 11069 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11070 // When an updated system application is deleted we delete the existing resources as well and 11071 // fall back to existing code in system partition 11072 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11073 flags, outInfo, writeSettings); 11074 } else { 11075 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11076 // Kill application pre-emptively especially for apps on sd. 11077 killApplication(packageName, ps.appId, "uninstall pkg"); 11078 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11079 allUserHandles, perUserInstalled, 11080 outInfo, writeSettings); 11081 } 11082 11083 return ret; 11084 } 11085 11086 private final class ClearStorageConnection implements ServiceConnection { 11087 IMediaContainerService mContainerService; 11088 11089 @Override 11090 public void onServiceConnected(ComponentName name, IBinder service) { 11091 synchronized (this) { 11092 mContainerService = IMediaContainerService.Stub.asInterface(service); 11093 notifyAll(); 11094 } 11095 } 11096 11097 @Override 11098 public void onServiceDisconnected(ComponentName name) { 11099 } 11100 } 11101 11102 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11103 final boolean mounted; 11104 if (Environment.isExternalStorageEmulated()) { 11105 mounted = true; 11106 } else { 11107 final String status = Environment.getExternalStorageState(); 11108 11109 mounted = status.equals(Environment.MEDIA_MOUNTED) 11110 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11111 } 11112 11113 if (!mounted) { 11114 return; 11115 } 11116 11117 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11118 int[] users; 11119 if (userId == UserHandle.USER_ALL) { 11120 users = sUserManager.getUserIds(); 11121 } else { 11122 users = new int[] { userId }; 11123 } 11124 final ClearStorageConnection conn = new ClearStorageConnection(); 11125 if (mContext.bindServiceAsUser( 11126 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11127 try { 11128 for (int curUser : users) { 11129 long timeout = SystemClock.uptimeMillis() + 5000; 11130 synchronized (conn) { 11131 long now = SystemClock.uptimeMillis(); 11132 while (conn.mContainerService == null && now < timeout) { 11133 try { 11134 conn.wait(timeout - now); 11135 } catch (InterruptedException e) { 11136 } 11137 } 11138 } 11139 if (conn.mContainerService == null) { 11140 return; 11141 } 11142 11143 final UserEnvironment userEnv = new UserEnvironment(curUser); 11144 clearDirectory(conn.mContainerService, 11145 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11146 if (allData) { 11147 clearDirectory(conn.mContainerService, 11148 userEnv.buildExternalStorageAppDataDirs(packageName)); 11149 clearDirectory(conn.mContainerService, 11150 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11151 } 11152 } 11153 } finally { 11154 mContext.unbindService(conn); 11155 } 11156 } 11157 } 11158 11159 @Override 11160 public void clearApplicationUserData(final String packageName, 11161 final IPackageDataObserver observer, final int userId) { 11162 mContext.enforceCallingOrSelfPermission( 11163 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11164 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11165 // Queue up an async operation since the package deletion may take a little while. 11166 mHandler.post(new Runnable() { 11167 public void run() { 11168 mHandler.removeCallbacks(this); 11169 final boolean succeeded; 11170 synchronized (mInstallLock) { 11171 succeeded = clearApplicationUserDataLI(packageName, userId); 11172 } 11173 clearExternalStorageDataSync(packageName, userId, true); 11174 if (succeeded) { 11175 // invoke DeviceStorageMonitor's update method to clear any notifications 11176 DeviceStorageMonitorInternal 11177 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11178 if (dsm != null) { 11179 dsm.checkMemory(); 11180 } 11181 } 11182 if(observer != null) { 11183 try { 11184 observer.onRemoveCompleted(packageName, succeeded); 11185 } catch (RemoteException e) { 11186 Log.i(TAG, "Observer no longer exists."); 11187 } 11188 } //end if observer 11189 } //end run 11190 }); 11191 } 11192 11193 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11194 if (packageName == null) { 11195 Slog.w(TAG, "Attempt to delete null packageName."); 11196 return false; 11197 } 11198 11199 // Try finding details about the requested package 11200 PackageParser.Package pkg; 11201 synchronized (mPackages) { 11202 pkg = mPackages.get(packageName); 11203 if (pkg == null) { 11204 final PackageSetting ps = mSettings.mPackages.get(packageName); 11205 if (ps != null) { 11206 pkg = ps.pkg; 11207 } 11208 } 11209 } 11210 11211 if (pkg == null) { 11212 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11213 } 11214 11215 // Always delete data directories for package, even if we found no other 11216 // record of app. This helps users recover from UID mismatches without 11217 // resorting to a full data wipe. 11218 int retCode = mInstaller.clearUserData(packageName, userId); 11219 if (retCode < 0) { 11220 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11221 return false; 11222 } 11223 11224 if (pkg == null) { 11225 return false; 11226 } 11227 11228 if (pkg != null && pkg.applicationInfo != null) { 11229 final int appId = pkg.applicationInfo.uid; 11230 removeKeystoreDataIfNeeded(userId, appId); 11231 } 11232 11233 // Create a native library symlink only if we have native libraries 11234 // and if the native libraries are 32 bit libraries. We do not provide 11235 // this symlink for 64 bit libraries. 11236 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11237 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11238 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11239 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11240 Slog.w(TAG, "Failed linking native library dir"); 11241 return false; 11242 } 11243 } 11244 11245 return true; 11246 } 11247 11248 /** 11249 * Remove entries from the keystore daemon. Will only remove it if the 11250 * {@code appId} is valid. 11251 */ 11252 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11253 if (appId < 0) { 11254 return; 11255 } 11256 11257 final KeyStore keyStore = KeyStore.getInstance(); 11258 if (keyStore != null) { 11259 if (userId == UserHandle.USER_ALL) { 11260 for (final int individual : sUserManager.getUserIds()) { 11261 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11262 } 11263 } else { 11264 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11265 } 11266 } else { 11267 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11268 } 11269 } 11270 11271 @Override 11272 public void deleteApplicationCacheFiles(final String packageName, 11273 final IPackageDataObserver observer) { 11274 mContext.enforceCallingOrSelfPermission( 11275 android.Manifest.permission.DELETE_CACHE_FILES, null); 11276 // Queue up an async operation since the package deletion may take a little while. 11277 final int userId = UserHandle.getCallingUserId(); 11278 mHandler.post(new Runnable() { 11279 public void run() { 11280 mHandler.removeCallbacks(this); 11281 final boolean succeded; 11282 synchronized (mInstallLock) { 11283 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11284 } 11285 clearExternalStorageDataSync(packageName, userId, false); 11286 if(observer != null) { 11287 try { 11288 observer.onRemoveCompleted(packageName, succeded); 11289 } catch (RemoteException e) { 11290 Log.i(TAG, "Observer no longer exists."); 11291 } 11292 } //end if observer 11293 } //end run 11294 }); 11295 } 11296 11297 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11298 if (packageName == null) { 11299 Slog.w(TAG, "Attempt to delete null packageName."); 11300 return false; 11301 } 11302 PackageParser.Package p; 11303 synchronized (mPackages) { 11304 p = mPackages.get(packageName); 11305 } 11306 if (p == null) { 11307 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11308 return false; 11309 } 11310 final ApplicationInfo applicationInfo = p.applicationInfo; 11311 if (applicationInfo == null) { 11312 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11313 return false; 11314 } 11315 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11316 if (retCode < 0) { 11317 Slog.w(TAG, "Couldn't remove cache files for package: " 11318 + packageName + " u" + userId); 11319 return false; 11320 } 11321 return true; 11322 } 11323 11324 @Override 11325 public void getPackageSizeInfo(final String packageName, int userHandle, 11326 final IPackageStatsObserver observer) { 11327 mContext.enforceCallingOrSelfPermission( 11328 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11329 if (packageName == null) { 11330 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11331 } 11332 11333 PackageStats stats = new PackageStats(packageName, userHandle); 11334 11335 /* 11336 * Queue up an async operation since the package measurement may take a 11337 * little while. 11338 */ 11339 Message msg = mHandler.obtainMessage(INIT_COPY); 11340 msg.obj = new MeasureParams(stats, observer); 11341 mHandler.sendMessage(msg); 11342 } 11343 11344 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11345 PackageStats pStats) { 11346 if (packageName == null) { 11347 Slog.w(TAG, "Attempt to get size of null packageName."); 11348 return false; 11349 } 11350 PackageParser.Package p; 11351 boolean dataOnly = false; 11352 String libDirRoot = null; 11353 String asecPath = null; 11354 PackageSetting ps = null; 11355 synchronized (mPackages) { 11356 p = mPackages.get(packageName); 11357 ps = mSettings.mPackages.get(packageName); 11358 if(p == null) { 11359 dataOnly = true; 11360 if((ps == null) || (ps.pkg == null)) { 11361 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11362 return false; 11363 } 11364 p = ps.pkg; 11365 } 11366 if (ps != null) { 11367 libDirRoot = ps.legacyNativeLibraryPathString; 11368 } 11369 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11370 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11371 if (secureContainerId != null) { 11372 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11373 } 11374 } 11375 } 11376 String publicSrcDir = null; 11377 if(!dataOnly) { 11378 final ApplicationInfo applicationInfo = p.applicationInfo; 11379 if (applicationInfo == null) { 11380 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11381 return false; 11382 } 11383 if (p.isForwardLocked()) { 11384 publicSrcDir = applicationInfo.getBaseResourcePath(); 11385 } 11386 } 11387 // TODO: extend to measure size of split APKs 11388 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11389 // not just the first level. 11390 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11391 // just the primary. 11392 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11393 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11394 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11395 if (res < 0) { 11396 return false; 11397 } 11398 11399 // Fix-up for forward-locked applications in ASEC containers. 11400 if (!isExternal(p)) { 11401 pStats.codeSize += pStats.externalCodeSize; 11402 pStats.externalCodeSize = 0L; 11403 } 11404 11405 return true; 11406 } 11407 11408 11409 @Override 11410 public void addPackageToPreferred(String packageName) { 11411 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11412 } 11413 11414 @Override 11415 public void removePackageFromPreferred(String packageName) { 11416 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11417 } 11418 11419 @Override 11420 public List<PackageInfo> getPreferredPackages(int flags) { 11421 return new ArrayList<PackageInfo>(); 11422 } 11423 11424 private int getUidTargetSdkVersionLockedLPr(int uid) { 11425 Object obj = mSettings.getUserIdLPr(uid); 11426 if (obj instanceof SharedUserSetting) { 11427 final SharedUserSetting sus = (SharedUserSetting) obj; 11428 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11429 final Iterator<PackageSetting> it = sus.packages.iterator(); 11430 while (it.hasNext()) { 11431 final PackageSetting ps = it.next(); 11432 if (ps.pkg != null) { 11433 int v = ps.pkg.applicationInfo.targetSdkVersion; 11434 if (v < vers) vers = v; 11435 } 11436 } 11437 return vers; 11438 } else if (obj instanceof PackageSetting) { 11439 final PackageSetting ps = (PackageSetting) obj; 11440 if (ps.pkg != null) { 11441 return ps.pkg.applicationInfo.targetSdkVersion; 11442 } 11443 } 11444 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11445 } 11446 11447 @Override 11448 public void addPreferredActivity(IntentFilter filter, int match, 11449 ComponentName[] set, ComponentName activity, int userId) { 11450 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11451 "Adding preferred"); 11452 } 11453 11454 private void addPreferredActivityInternal(IntentFilter filter, int match, 11455 ComponentName[] set, ComponentName activity, boolean always, int userId, 11456 String opname) { 11457 // writer 11458 int callingUid = Binder.getCallingUid(); 11459 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11460 if (filter.countActions() == 0) { 11461 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11462 return; 11463 } 11464 synchronized (mPackages) { 11465 if (mContext.checkCallingOrSelfPermission( 11466 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11467 != PackageManager.PERMISSION_GRANTED) { 11468 if (getUidTargetSdkVersionLockedLPr(callingUid) 11469 < Build.VERSION_CODES.FROYO) { 11470 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11471 + callingUid); 11472 return; 11473 } 11474 mContext.enforceCallingOrSelfPermission( 11475 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11476 } 11477 11478 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11479 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11480 + userId + ":"); 11481 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11482 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11483 scheduleWritePackageRestrictionsLocked(userId); 11484 } 11485 } 11486 11487 @Override 11488 public void replacePreferredActivity(IntentFilter filter, int match, 11489 ComponentName[] set, ComponentName activity, int userId) { 11490 if (filter.countActions() != 1) { 11491 throw new IllegalArgumentException( 11492 "replacePreferredActivity expects filter to have only 1 action."); 11493 } 11494 if (filter.countDataAuthorities() != 0 11495 || filter.countDataPaths() != 0 11496 || filter.countDataSchemes() > 1 11497 || filter.countDataTypes() != 0) { 11498 throw new IllegalArgumentException( 11499 "replacePreferredActivity expects filter to have no data authorities, " + 11500 "paths, or types; and at most one scheme."); 11501 } 11502 11503 final int callingUid = Binder.getCallingUid(); 11504 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11505 synchronized (mPackages) { 11506 if (mContext.checkCallingOrSelfPermission( 11507 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11508 != PackageManager.PERMISSION_GRANTED) { 11509 if (getUidTargetSdkVersionLockedLPr(callingUid) 11510 < Build.VERSION_CODES.FROYO) { 11511 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11512 + Binder.getCallingUid()); 11513 return; 11514 } 11515 mContext.enforceCallingOrSelfPermission( 11516 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11517 } 11518 11519 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11520 if (pir != null) { 11521 // Get all of the existing entries that exactly match this filter. 11522 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11523 if (existing != null && existing.size() == 1) { 11524 PreferredActivity cur = existing.get(0); 11525 if (DEBUG_PREFERRED) { 11526 Slog.i(TAG, "Checking replace of preferred:"); 11527 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11528 if (!cur.mPref.mAlways) { 11529 Slog.i(TAG, " -- CUR; not mAlways!"); 11530 } else { 11531 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11532 Slog.i(TAG, " -- CUR: mSet=" 11533 + Arrays.toString(cur.mPref.mSetComponents)); 11534 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11535 Slog.i(TAG, " -- NEW: mMatch=" 11536 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11537 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11538 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11539 } 11540 } 11541 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11542 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11543 && cur.mPref.sameSet(set)) { 11544 // Setting the preferred activity to what it happens to be already 11545 if (DEBUG_PREFERRED) { 11546 Slog.i(TAG, "Replacing with same preferred activity " 11547 + cur.mPref.mShortComponent + " for user " 11548 + userId + ":"); 11549 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11550 } 11551 return; 11552 } 11553 } 11554 11555 if (existing != null) { 11556 if (DEBUG_PREFERRED) { 11557 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11558 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11559 } 11560 for (int i = 0; i < existing.size(); i++) { 11561 PreferredActivity pa = existing.get(i); 11562 if (DEBUG_PREFERRED) { 11563 Slog.i(TAG, "Removing existing preferred activity " 11564 + pa.mPref.mComponent + ":"); 11565 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11566 } 11567 pir.removeFilter(pa); 11568 } 11569 } 11570 } 11571 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11572 "Replacing preferred"); 11573 } 11574 } 11575 11576 @Override 11577 public void clearPackagePreferredActivities(String packageName) { 11578 final int uid = Binder.getCallingUid(); 11579 // writer 11580 synchronized (mPackages) { 11581 PackageParser.Package pkg = mPackages.get(packageName); 11582 if (pkg == null || pkg.applicationInfo.uid != uid) { 11583 if (mContext.checkCallingOrSelfPermission( 11584 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11585 != PackageManager.PERMISSION_GRANTED) { 11586 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11587 < Build.VERSION_CODES.FROYO) { 11588 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11589 + Binder.getCallingUid()); 11590 return; 11591 } 11592 mContext.enforceCallingOrSelfPermission( 11593 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11594 } 11595 } 11596 11597 int user = UserHandle.getCallingUserId(); 11598 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11599 scheduleWritePackageRestrictionsLocked(user); 11600 } 11601 } 11602 } 11603 11604 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11605 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11606 ArrayList<PreferredActivity> removed = null; 11607 boolean changed = false; 11608 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11609 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11610 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11611 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11612 continue; 11613 } 11614 Iterator<PreferredActivity> it = pir.filterIterator(); 11615 while (it.hasNext()) { 11616 PreferredActivity pa = it.next(); 11617 // Mark entry for removal only if it matches the package name 11618 // and the entry is of type "always". 11619 if (packageName == null || 11620 (pa.mPref.mComponent.getPackageName().equals(packageName) 11621 && pa.mPref.mAlways)) { 11622 if (removed == null) { 11623 removed = new ArrayList<PreferredActivity>(); 11624 } 11625 removed.add(pa); 11626 } 11627 } 11628 if (removed != null) { 11629 for (int j=0; j<removed.size(); j++) { 11630 PreferredActivity pa = removed.get(j); 11631 pir.removeFilter(pa); 11632 } 11633 changed = true; 11634 } 11635 } 11636 return changed; 11637 } 11638 11639 @Override 11640 public void resetPreferredActivities(int userId) { 11641 /* TODO: Actually use userId. Why is it being passed in? */ 11642 mContext.enforceCallingOrSelfPermission( 11643 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11644 // writer 11645 synchronized (mPackages) { 11646 int user = UserHandle.getCallingUserId(); 11647 clearPackagePreferredActivitiesLPw(null, user); 11648 mSettings.readDefaultPreferredAppsLPw(this, user); 11649 scheduleWritePackageRestrictionsLocked(user); 11650 } 11651 } 11652 11653 @Override 11654 public int getPreferredActivities(List<IntentFilter> outFilters, 11655 List<ComponentName> outActivities, String packageName) { 11656 11657 int num = 0; 11658 final int userId = UserHandle.getCallingUserId(); 11659 // reader 11660 synchronized (mPackages) { 11661 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11662 if (pir != null) { 11663 final Iterator<PreferredActivity> it = pir.filterIterator(); 11664 while (it.hasNext()) { 11665 final PreferredActivity pa = it.next(); 11666 if (packageName == null 11667 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11668 && pa.mPref.mAlways)) { 11669 if (outFilters != null) { 11670 outFilters.add(new IntentFilter(pa)); 11671 } 11672 if (outActivities != null) { 11673 outActivities.add(pa.mPref.mComponent); 11674 } 11675 } 11676 } 11677 } 11678 } 11679 11680 return num; 11681 } 11682 11683 @Override 11684 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11685 int userId) { 11686 int callingUid = Binder.getCallingUid(); 11687 if (callingUid != Process.SYSTEM_UID) { 11688 throw new SecurityException( 11689 "addPersistentPreferredActivity can only be run by the system"); 11690 } 11691 if (filter.countActions() == 0) { 11692 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11693 return; 11694 } 11695 synchronized (mPackages) { 11696 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11697 " :"); 11698 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11699 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11700 new PersistentPreferredActivity(filter, activity)); 11701 scheduleWritePackageRestrictionsLocked(userId); 11702 } 11703 } 11704 11705 @Override 11706 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11707 int callingUid = Binder.getCallingUid(); 11708 if (callingUid != Process.SYSTEM_UID) { 11709 throw new SecurityException( 11710 "clearPackagePersistentPreferredActivities can only be run by the system"); 11711 } 11712 ArrayList<PersistentPreferredActivity> removed = null; 11713 boolean changed = false; 11714 synchronized (mPackages) { 11715 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11716 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11717 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11718 .valueAt(i); 11719 if (userId != thisUserId) { 11720 continue; 11721 } 11722 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11723 while (it.hasNext()) { 11724 PersistentPreferredActivity ppa = it.next(); 11725 // Mark entry for removal only if it matches the package name. 11726 if (ppa.mComponent.getPackageName().equals(packageName)) { 11727 if (removed == null) { 11728 removed = new ArrayList<PersistentPreferredActivity>(); 11729 } 11730 removed.add(ppa); 11731 } 11732 } 11733 if (removed != null) { 11734 for (int j=0; j<removed.size(); j++) { 11735 PersistentPreferredActivity ppa = removed.get(j); 11736 ppir.removeFilter(ppa); 11737 } 11738 changed = true; 11739 } 11740 } 11741 11742 if (changed) { 11743 scheduleWritePackageRestrictionsLocked(userId); 11744 } 11745 } 11746 } 11747 11748 @Override 11749 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11750 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11751 mContext.enforceCallingOrSelfPermission( 11752 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11753 int callingUid = Binder.getCallingUid(); 11754 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11755 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11756 if (intentFilter.countActions() == 0) { 11757 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11758 return; 11759 } 11760 synchronized (mPackages) { 11761 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11762 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11763 CrossProfileIntentResolver resolver = 11764 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11765 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11766 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11767 if (existing != null) { 11768 int size = existing.size(); 11769 for (int i = 0; i < size; i++) { 11770 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11771 return; 11772 } 11773 } 11774 } 11775 resolver.addFilter(newFilter); 11776 scheduleWritePackageRestrictionsLocked(sourceUserId); 11777 } 11778 } 11779 11780 @Override 11781 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11782 int ownerUserId) { 11783 mContext.enforceCallingOrSelfPermission( 11784 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11785 int callingUid = Binder.getCallingUid(); 11786 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11787 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11788 int callingUserId = UserHandle.getUserId(callingUid); 11789 synchronized (mPackages) { 11790 CrossProfileIntentResolver resolver = 11791 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11792 ArraySet<CrossProfileIntentFilter> set = 11793 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11794 for (CrossProfileIntentFilter filter : set) { 11795 if (filter.getOwnerPackage().equals(ownerPackage) 11796 && filter.getOwnerUserId() == callingUserId) { 11797 resolver.removeFilter(filter); 11798 } 11799 } 11800 scheduleWritePackageRestrictionsLocked(sourceUserId); 11801 } 11802 } 11803 11804 // Enforcing that callingUid is owning pkg on userId 11805 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11806 // The system owns everything. 11807 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11808 return; 11809 } 11810 int callingUserId = UserHandle.getUserId(callingUid); 11811 if (callingUserId != userId) { 11812 throw new SecurityException("calling uid " + callingUid 11813 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11814 + callingUserId); 11815 } 11816 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11817 if (pi == null) { 11818 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11819 + callingUserId); 11820 } 11821 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11822 throw new SecurityException("Calling uid " + callingUid 11823 + " does not own package " + pkg); 11824 } 11825 } 11826 11827 @Override 11828 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11829 Intent intent = new Intent(Intent.ACTION_MAIN); 11830 intent.addCategory(Intent.CATEGORY_HOME); 11831 11832 final int callingUserId = UserHandle.getCallingUserId(); 11833 List<ResolveInfo> list = queryIntentActivities(intent, null, 11834 PackageManager.GET_META_DATA, callingUserId); 11835 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11836 true, false, false, callingUserId); 11837 11838 allHomeCandidates.clear(); 11839 if (list != null) { 11840 for (ResolveInfo ri : list) { 11841 allHomeCandidates.add(ri); 11842 } 11843 } 11844 return (preferred == null || preferred.activityInfo == null) 11845 ? null 11846 : new ComponentName(preferred.activityInfo.packageName, 11847 preferred.activityInfo.name); 11848 } 11849 11850 @Override 11851 public void setApplicationEnabledSetting(String appPackageName, 11852 int newState, int flags, int userId, String callingPackage) { 11853 if (!sUserManager.exists(userId)) return; 11854 if (callingPackage == null) { 11855 callingPackage = Integer.toString(Binder.getCallingUid()); 11856 } 11857 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11858 } 11859 11860 @Override 11861 public void setComponentEnabledSetting(ComponentName componentName, 11862 int newState, int flags, int userId) { 11863 if (!sUserManager.exists(userId)) return; 11864 setEnabledSetting(componentName.getPackageName(), 11865 componentName.getClassName(), newState, flags, userId, null); 11866 } 11867 11868 private void setEnabledSetting(final String packageName, String className, int newState, 11869 final int flags, int userId, String callingPackage) { 11870 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11871 || newState == COMPONENT_ENABLED_STATE_ENABLED 11872 || newState == COMPONENT_ENABLED_STATE_DISABLED 11873 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11874 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11875 throw new IllegalArgumentException("Invalid new component state: " 11876 + newState); 11877 } 11878 PackageSetting pkgSetting; 11879 final int uid = Binder.getCallingUid(); 11880 final int permission = mContext.checkCallingOrSelfPermission( 11881 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11882 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11883 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11884 boolean sendNow = false; 11885 boolean isApp = (className == null); 11886 String componentName = isApp ? packageName : className; 11887 int packageUid = -1; 11888 ArrayList<String> components; 11889 11890 // writer 11891 synchronized (mPackages) { 11892 pkgSetting = mSettings.mPackages.get(packageName); 11893 if (pkgSetting == null) { 11894 if (className == null) { 11895 throw new IllegalArgumentException( 11896 "Unknown package: " + packageName); 11897 } 11898 throw new IllegalArgumentException( 11899 "Unknown component: " + packageName 11900 + "/" + className); 11901 } 11902 // Allow root and verify that userId is not being specified by a different user 11903 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11904 throw new SecurityException( 11905 "Permission Denial: attempt to change component state from pid=" 11906 + Binder.getCallingPid() 11907 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11908 } 11909 if (className == null) { 11910 // We're dealing with an application/package level state change 11911 if (pkgSetting.getEnabled(userId) == newState) { 11912 // Nothing to do 11913 return; 11914 } 11915 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11916 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11917 // Don't care about who enables an app. 11918 callingPackage = null; 11919 } 11920 pkgSetting.setEnabled(newState, userId, callingPackage); 11921 // pkgSetting.pkg.mSetEnabled = newState; 11922 } else { 11923 // We're dealing with a component level state change 11924 // First, verify that this is a valid class name. 11925 PackageParser.Package pkg = pkgSetting.pkg; 11926 if (pkg == null || !pkg.hasComponentClassName(className)) { 11927 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11928 throw new IllegalArgumentException("Component class " + className 11929 + " does not exist in " + packageName); 11930 } else { 11931 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11932 + className + " does not exist in " + packageName); 11933 } 11934 } 11935 switch (newState) { 11936 case COMPONENT_ENABLED_STATE_ENABLED: 11937 if (!pkgSetting.enableComponentLPw(className, userId)) { 11938 return; 11939 } 11940 break; 11941 case COMPONENT_ENABLED_STATE_DISABLED: 11942 if (!pkgSetting.disableComponentLPw(className, userId)) { 11943 return; 11944 } 11945 break; 11946 case COMPONENT_ENABLED_STATE_DEFAULT: 11947 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11948 return; 11949 } 11950 break; 11951 default: 11952 Slog.e(TAG, "Invalid new component state: " + newState); 11953 return; 11954 } 11955 } 11956 mSettings.writePackageRestrictionsLPr(userId); 11957 components = mPendingBroadcasts.get(userId, packageName); 11958 final boolean newPackage = components == null; 11959 if (newPackage) { 11960 components = new ArrayList<String>(); 11961 } 11962 if (!components.contains(componentName)) { 11963 components.add(componentName); 11964 } 11965 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11966 sendNow = true; 11967 // Purge entry from pending broadcast list if another one exists already 11968 // since we are sending one right away. 11969 mPendingBroadcasts.remove(userId, packageName); 11970 } else { 11971 if (newPackage) { 11972 mPendingBroadcasts.put(userId, packageName, components); 11973 } 11974 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11975 // Schedule a message 11976 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11977 } 11978 } 11979 } 11980 11981 long callingId = Binder.clearCallingIdentity(); 11982 try { 11983 if (sendNow) { 11984 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11985 sendPackageChangedBroadcast(packageName, 11986 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11987 } 11988 } finally { 11989 Binder.restoreCallingIdentity(callingId); 11990 } 11991 } 11992 11993 private void sendPackageChangedBroadcast(String packageName, 11994 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11995 if (DEBUG_INSTALL) 11996 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11997 + componentNames); 11998 Bundle extras = new Bundle(4); 11999 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12000 String nameList[] = new String[componentNames.size()]; 12001 componentNames.toArray(nameList); 12002 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12003 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12004 extras.putInt(Intent.EXTRA_UID, packageUid); 12005 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12006 new int[] {UserHandle.getUserId(packageUid)}); 12007 } 12008 12009 @Override 12010 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12011 if (!sUserManager.exists(userId)) return; 12012 final int uid = Binder.getCallingUid(); 12013 final int permission = mContext.checkCallingOrSelfPermission( 12014 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12015 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12016 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12017 // writer 12018 synchronized (mPackages) { 12019 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12020 uid, userId)) { 12021 scheduleWritePackageRestrictionsLocked(userId); 12022 } 12023 } 12024 } 12025 12026 @Override 12027 public String getInstallerPackageName(String packageName) { 12028 // reader 12029 synchronized (mPackages) { 12030 return mSettings.getInstallerPackageNameLPr(packageName); 12031 } 12032 } 12033 12034 @Override 12035 public int getApplicationEnabledSetting(String packageName, int userId) { 12036 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12037 int uid = Binder.getCallingUid(); 12038 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12039 // reader 12040 synchronized (mPackages) { 12041 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12042 } 12043 } 12044 12045 @Override 12046 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12047 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12048 int uid = Binder.getCallingUid(); 12049 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12050 // reader 12051 synchronized (mPackages) { 12052 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12053 } 12054 } 12055 12056 @Override 12057 public void enterSafeMode() { 12058 enforceSystemOrRoot("Only the system can request entering safe mode"); 12059 12060 if (!mSystemReady) { 12061 mSafeMode = true; 12062 } 12063 } 12064 12065 @Override 12066 public void systemReady() { 12067 mSystemReady = true; 12068 12069 // Read the compatibilty setting when the system is ready. 12070 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12071 mContext.getContentResolver(), 12072 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12073 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12074 if (DEBUG_SETTINGS) { 12075 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12076 } 12077 12078 synchronized (mPackages) { 12079 // Verify that all of the preferred activity components actually 12080 // exist. It is possible for applications to be updated and at 12081 // that point remove a previously declared activity component that 12082 // had been set as a preferred activity. We try to clean this up 12083 // the next time we encounter that preferred activity, but it is 12084 // possible for the user flow to never be able to return to that 12085 // situation so here we do a sanity check to make sure we haven't 12086 // left any junk around. 12087 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12088 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12089 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12090 removed.clear(); 12091 for (PreferredActivity pa : pir.filterSet()) { 12092 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12093 removed.add(pa); 12094 } 12095 } 12096 if (removed.size() > 0) { 12097 for (int r=0; r<removed.size(); r++) { 12098 PreferredActivity pa = removed.get(r); 12099 Slog.w(TAG, "Removing dangling preferred activity: " 12100 + pa.mPref.mComponent); 12101 pir.removeFilter(pa); 12102 } 12103 mSettings.writePackageRestrictionsLPr( 12104 mSettings.mPreferredActivities.keyAt(i)); 12105 } 12106 } 12107 } 12108 sUserManager.systemReady(); 12109 12110 // Kick off any messages waiting for system ready 12111 if (mPostSystemReadyMessages != null) { 12112 for (Message msg : mPostSystemReadyMessages) { 12113 msg.sendToTarget(); 12114 } 12115 mPostSystemReadyMessages = null; 12116 } 12117 } 12118 12119 @Override 12120 public boolean isSafeMode() { 12121 return mSafeMode; 12122 } 12123 12124 @Override 12125 public boolean hasSystemUidErrors() { 12126 return mHasSystemUidErrors; 12127 } 12128 12129 static String arrayToString(int[] array) { 12130 StringBuffer buf = new StringBuffer(128); 12131 buf.append('['); 12132 if (array != null) { 12133 for (int i=0; i<array.length; i++) { 12134 if (i > 0) buf.append(", "); 12135 buf.append(array[i]); 12136 } 12137 } 12138 buf.append(']'); 12139 return buf.toString(); 12140 } 12141 12142 static class DumpState { 12143 public static final int DUMP_LIBS = 1 << 0; 12144 public static final int DUMP_FEATURES = 1 << 1; 12145 public static final int DUMP_RESOLVERS = 1 << 2; 12146 public static final int DUMP_PERMISSIONS = 1 << 3; 12147 public static final int DUMP_PACKAGES = 1 << 4; 12148 public static final int DUMP_SHARED_USERS = 1 << 5; 12149 public static final int DUMP_MESSAGES = 1 << 6; 12150 public static final int DUMP_PROVIDERS = 1 << 7; 12151 public static final int DUMP_VERIFIERS = 1 << 8; 12152 public static final int DUMP_PREFERRED = 1 << 9; 12153 public static final int DUMP_PREFERRED_XML = 1 << 10; 12154 public static final int DUMP_KEYSETS = 1 << 11; 12155 public static final int DUMP_VERSION = 1 << 12; 12156 public static final int DUMP_INSTALLS = 1 << 13; 12157 12158 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12159 12160 private int mTypes; 12161 12162 private int mOptions; 12163 12164 private boolean mTitlePrinted; 12165 12166 private SharedUserSetting mSharedUser; 12167 12168 public boolean isDumping(int type) { 12169 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12170 return true; 12171 } 12172 12173 return (mTypes & type) != 0; 12174 } 12175 12176 public void setDump(int type) { 12177 mTypes |= type; 12178 } 12179 12180 public boolean isOptionEnabled(int option) { 12181 return (mOptions & option) != 0; 12182 } 12183 12184 public void setOptionEnabled(int option) { 12185 mOptions |= option; 12186 } 12187 12188 public boolean onTitlePrinted() { 12189 final boolean printed = mTitlePrinted; 12190 mTitlePrinted = true; 12191 return printed; 12192 } 12193 12194 public boolean getTitlePrinted() { 12195 return mTitlePrinted; 12196 } 12197 12198 public void setTitlePrinted(boolean enabled) { 12199 mTitlePrinted = enabled; 12200 } 12201 12202 public SharedUserSetting getSharedUser() { 12203 return mSharedUser; 12204 } 12205 12206 public void setSharedUser(SharedUserSetting user) { 12207 mSharedUser = user; 12208 } 12209 } 12210 12211 @Override 12212 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12213 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12214 != PackageManager.PERMISSION_GRANTED) { 12215 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12216 + Binder.getCallingPid() 12217 + ", uid=" + Binder.getCallingUid() 12218 + " without permission " 12219 + android.Manifest.permission.DUMP); 12220 return; 12221 } 12222 12223 DumpState dumpState = new DumpState(); 12224 boolean fullPreferred = false; 12225 boolean checkin = false; 12226 12227 String packageName = null; 12228 12229 int opti = 0; 12230 while (opti < args.length) { 12231 String opt = args[opti]; 12232 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12233 break; 12234 } 12235 opti++; 12236 12237 if ("-a".equals(opt)) { 12238 // Right now we only know how to print all. 12239 } else if ("-h".equals(opt)) { 12240 pw.println("Package manager dump options:"); 12241 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12242 pw.println(" --checkin: dump for a checkin"); 12243 pw.println(" -f: print details of intent filters"); 12244 pw.println(" -h: print this help"); 12245 pw.println(" cmd may be one of:"); 12246 pw.println(" l[ibraries]: list known shared libraries"); 12247 pw.println(" f[ibraries]: list device features"); 12248 pw.println(" k[eysets]: print known keysets"); 12249 pw.println(" r[esolvers]: dump intent resolvers"); 12250 pw.println(" perm[issions]: dump permissions"); 12251 pw.println(" pref[erred]: print preferred package settings"); 12252 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12253 pw.println(" prov[iders]: dump content providers"); 12254 pw.println(" p[ackages]: dump installed packages"); 12255 pw.println(" s[hared-users]: dump shared user IDs"); 12256 pw.println(" m[essages]: print collected runtime messages"); 12257 pw.println(" v[erifiers]: print package verifier info"); 12258 pw.println(" version: print database version info"); 12259 pw.println(" write: write current settings now"); 12260 pw.println(" <package.name>: info about given package"); 12261 pw.println(" installs: details about install sessions"); 12262 return; 12263 } else if ("--checkin".equals(opt)) { 12264 checkin = true; 12265 } else if ("-f".equals(opt)) { 12266 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12267 } else { 12268 pw.println("Unknown argument: " + opt + "; use -h for help"); 12269 } 12270 } 12271 12272 // Is the caller requesting to dump a particular piece of data? 12273 if (opti < args.length) { 12274 String cmd = args[opti]; 12275 opti++; 12276 // Is this a package name? 12277 if ("android".equals(cmd) || cmd.contains(".")) { 12278 packageName = cmd; 12279 // When dumping a single package, we always dump all of its 12280 // filter information since the amount of data will be reasonable. 12281 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12282 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12283 dumpState.setDump(DumpState.DUMP_LIBS); 12284 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12285 dumpState.setDump(DumpState.DUMP_FEATURES); 12286 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12287 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12288 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12289 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12290 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12291 dumpState.setDump(DumpState.DUMP_PREFERRED); 12292 } else if ("preferred-xml".equals(cmd)) { 12293 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12294 if (opti < args.length && "--full".equals(args[opti])) { 12295 fullPreferred = true; 12296 opti++; 12297 } 12298 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12299 dumpState.setDump(DumpState.DUMP_PACKAGES); 12300 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12301 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12302 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12303 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12304 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12305 dumpState.setDump(DumpState.DUMP_MESSAGES); 12306 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12307 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12308 } else if ("version".equals(cmd)) { 12309 dumpState.setDump(DumpState.DUMP_VERSION); 12310 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12311 dumpState.setDump(DumpState.DUMP_KEYSETS); 12312 } else if ("installs".equals(cmd)) { 12313 dumpState.setDump(DumpState.DUMP_INSTALLS); 12314 } else if ("write".equals(cmd)) { 12315 synchronized (mPackages) { 12316 mSettings.writeLPr(); 12317 pw.println("Settings written."); 12318 return; 12319 } 12320 } 12321 } 12322 12323 if (checkin) { 12324 pw.println("vers,1"); 12325 } 12326 12327 // reader 12328 synchronized (mPackages) { 12329 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12330 if (!checkin) { 12331 if (dumpState.onTitlePrinted()) 12332 pw.println(); 12333 pw.println("Database versions:"); 12334 pw.print(" SDK Version:"); 12335 pw.print(" internal="); 12336 pw.print(mSettings.mInternalSdkPlatform); 12337 pw.print(" external="); 12338 pw.println(mSettings.mExternalSdkPlatform); 12339 pw.print(" DB Version:"); 12340 pw.print(" internal="); 12341 pw.print(mSettings.mInternalDatabaseVersion); 12342 pw.print(" external="); 12343 pw.println(mSettings.mExternalDatabaseVersion); 12344 } 12345 } 12346 12347 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12348 if (!checkin) { 12349 if (dumpState.onTitlePrinted()) 12350 pw.println(); 12351 pw.println("Verifiers:"); 12352 pw.print(" Required: "); 12353 pw.print(mRequiredVerifierPackage); 12354 pw.print(" (uid="); 12355 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12356 pw.println(")"); 12357 } else if (mRequiredVerifierPackage != null) { 12358 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12359 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12360 } 12361 } 12362 12363 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12364 boolean printedHeader = false; 12365 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12366 while (it.hasNext()) { 12367 String name = it.next(); 12368 SharedLibraryEntry ent = mSharedLibraries.get(name); 12369 if (!checkin) { 12370 if (!printedHeader) { 12371 if (dumpState.onTitlePrinted()) 12372 pw.println(); 12373 pw.println("Libraries:"); 12374 printedHeader = true; 12375 } 12376 pw.print(" "); 12377 } else { 12378 pw.print("lib,"); 12379 } 12380 pw.print(name); 12381 if (!checkin) { 12382 pw.print(" -> "); 12383 } 12384 if (ent.path != null) { 12385 if (!checkin) { 12386 pw.print("(jar) "); 12387 pw.print(ent.path); 12388 } else { 12389 pw.print(",jar,"); 12390 pw.print(ent.path); 12391 } 12392 } else { 12393 if (!checkin) { 12394 pw.print("(apk) "); 12395 pw.print(ent.apk); 12396 } else { 12397 pw.print(",apk,"); 12398 pw.print(ent.apk); 12399 } 12400 } 12401 pw.println(); 12402 } 12403 } 12404 12405 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12406 if (dumpState.onTitlePrinted()) 12407 pw.println(); 12408 if (!checkin) { 12409 pw.println("Features:"); 12410 } 12411 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12412 while (it.hasNext()) { 12413 String name = it.next(); 12414 if (!checkin) { 12415 pw.print(" "); 12416 } else { 12417 pw.print("feat,"); 12418 } 12419 pw.println(name); 12420 } 12421 } 12422 12423 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12424 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12425 : "Activity Resolver Table:", " ", packageName, 12426 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12427 dumpState.setTitlePrinted(true); 12428 } 12429 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12430 : "Receiver Resolver Table:", " ", packageName, 12431 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12432 dumpState.setTitlePrinted(true); 12433 } 12434 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12435 : "Service Resolver Table:", " ", packageName, 12436 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12437 dumpState.setTitlePrinted(true); 12438 } 12439 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12440 : "Provider Resolver Table:", " ", packageName, 12441 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12442 dumpState.setTitlePrinted(true); 12443 } 12444 } 12445 12446 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12447 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12448 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12449 int user = mSettings.mPreferredActivities.keyAt(i); 12450 if (pir.dump(pw, 12451 dumpState.getTitlePrinted() 12452 ? "\nPreferred Activities User " + user + ":" 12453 : "Preferred Activities User " + user + ":", " ", 12454 packageName, true, false)) { 12455 dumpState.setTitlePrinted(true); 12456 } 12457 } 12458 } 12459 12460 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12461 pw.flush(); 12462 FileOutputStream fout = new FileOutputStream(fd); 12463 BufferedOutputStream str = new BufferedOutputStream(fout); 12464 XmlSerializer serializer = new FastXmlSerializer(); 12465 try { 12466 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 12467 serializer.startDocument(null, true); 12468 serializer.setFeature( 12469 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12470 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12471 serializer.endDocument(); 12472 serializer.flush(); 12473 } catch (IllegalArgumentException e) { 12474 pw.println("Failed writing: " + e); 12475 } catch (IllegalStateException e) { 12476 pw.println("Failed writing: " + e); 12477 } catch (IOException e) { 12478 pw.println("Failed writing: " + e); 12479 } 12480 } 12481 12482 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12483 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12484 if (packageName == null) { 12485 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12486 if (iperm == 0) { 12487 if (dumpState.onTitlePrinted()) 12488 pw.println(); 12489 pw.println("AppOp Permissions:"); 12490 } 12491 pw.print(" AppOp Permission "); 12492 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12493 pw.println(":"); 12494 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12495 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12496 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12497 } 12498 } 12499 } 12500 } 12501 12502 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12503 boolean printedSomething = false; 12504 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12505 if (packageName != null && !packageName.equals(p.info.packageName)) { 12506 continue; 12507 } 12508 if (!printedSomething) { 12509 if (dumpState.onTitlePrinted()) 12510 pw.println(); 12511 pw.println("Registered ContentProviders:"); 12512 printedSomething = true; 12513 } 12514 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12515 pw.print(" "); pw.println(p.toString()); 12516 } 12517 printedSomething = false; 12518 for (Map.Entry<String, PackageParser.Provider> entry : 12519 mProvidersByAuthority.entrySet()) { 12520 PackageParser.Provider p = entry.getValue(); 12521 if (packageName != null && !packageName.equals(p.info.packageName)) { 12522 continue; 12523 } 12524 if (!printedSomething) { 12525 if (dumpState.onTitlePrinted()) 12526 pw.println(); 12527 pw.println("ContentProvider Authorities:"); 12528 printedSomething = true; 12529 } 12530 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12531 pw.print(" "); pw.println(p.toString()); 12532 if (p.info != null && p.info.applicationInfo != null) { 12533 final String appInfo = p.info.applicationInfo.toString(); 12534 pw.print(" applicationInfo="); pw.println(appInfo); 12535 } 12536 } 12537 } 12538 12539 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12540 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12541 } 12542 12543 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12544 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12545 } 12546 12547 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12548 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12549 } 12550 12551 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12552 // XXX should handle packageName != null by dumping only install data that 12553 // the given package is involved with. 12554 if (dumpState.onTitlePrinted()) pw.println(); 12555 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12556 } 12557 12558 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12559 if (dumpState.onTitlePrinted()) pw.println(); 12560 mSettings.dumpReadMessagesLPr(pw, dumpState); 12561 12562 pw.println(); 12563 pw.println("Package warning messages:"); 12564 BufferedReader in = null; 12565 String line = null; 12566 try { 12567 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12568 while ((line = in.readLine()) != null) { 12569 if (line.contains("ignored: updated version")) continue; 12570 pw.println(line); 12571 } 12572 } catch (IOException ignored) { 12573 } finally { 12574 IoUtils.closeQuietly(in); 12575 } 12576 } 12577 12578 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12579 BufferedReader in = null; 12580 String line = null; 12581 try { 12582 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12583 while ((line = in.readLine()) != null) { 12584 if (line.contains("ignored: updated version")) continue; 12585 pw.print("msg,"); 12586 pw.println(line); 12587 } 12588 } catch (IOException ignored) { 12589 } finally { 12590 IoUtils.closeQuietly(in); 12591 } 12592 } 12593 } 12594 } 12595 12596 // ------- apps on sdcard specific code ------- 12597 static final boolean DEBUG_SD_INSTALL = false; 12598 12599 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12600 12601 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12602 12603 private boolean mMediaMounted = false; 12604 12605 static String getEncryptKey() { 12606 try { 12607 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12608 SD_ENCRYPTION_KEYSTORE_NAME); 12609 if (sdEncKey == null) { 12610 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12611 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12612 if (sdEncKey == null) { 12613 Slog.e(TAG, "Failed to create encryption keys"); 12614 return null; 12615 } 12616 } 12617 return sdEncKey; 12618 } catch (NoSuchAlgorithmException nsae) { 12619 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12620 return null; 12621 } catch (IOException ioe) { 12622 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12623 return null; 12624 } 12625 } 12626 12627 /* 12628 * Update media status on PackageManager. 12629 */ 12630 @Override 12631 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12632 int callingUid = Binder.getCallingUid(); 12633 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12634 throw new SecurityException("Media status can only be updated by the system"); 12635 } 12636 // reader; this apparently protects mMediaMounted, but should probably 12637 // be a different lock in that case. 12638 synchronized (mPackages) { 12639 Log.i(TAG, "Updating external media status from " 12640 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12641 + (mediaStatus ? "mounted" : "unmounted")); 12642 if (DEBUG_SD_INSTALL) 12643 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12644 + ", mMediaMounted=" + mMediaMounted); 12645 if (mediaStatus == mMediaMounted) { 12646 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12647 : 0, -1); 12648 mHandler.sendMessage(msg); 12649 return; 12650 } 12651 mMediaMounted = mediaStatus; 12652 } 12653 // Queue up an async operation since the package installation may take a 12654 // little while. 12655 mHandler.post(new Runnable() { 12656 public void run() { 12657 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12658 } 12659 }); 12660 } 12661 12662 /** 12663 * Called by MountService when the initial ASECs to scan are available. 12664 * Should block until all the ASEC containers are finished being scanned. 12665 */ 12666 public void scanAvailableAsecs() { 12667 updateExternalMediaStatusInner(true, false, false); 12668 if (mShouldRestoreconData) { 12669 SELinuxMMAC.setRestoreconDone(); 12670 mShouldRestoreconData = false; 12671 } 12672 } 12673 12674 /* 12675 * Collect information of applications on external media, map them against 12676 * existing containers and update information based on current mount status. 12677 * Please note that we always have to report status if reportStatus has been 12678 * set to true especially when unloading packages. 12679 */ 12680 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12681 boolean externalStorage) { 12682 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12683 int[] uidArr = EmptyArray.INT; 12684 12685 final String[] list = PackageHelper.getSecureContainerList(); 12686 if (ArrayUtils.isEmpty(list)) { 12687 Log.i(TAG, "No secure containers found"); 12688 } else { 12689 // Process list of secure containers and categorize them 12690 // as active or stale based on their package internal state. 12691 12692 // reader 12693 synchronized (mPackages) { 12694 for (String cid : list) { 12695 // Leave stages untouched for now; installer service owns them 12696 if (PackageInstallerService.isStageName(cid)) continue; 12697 12698 if (DEBUG_SD_INSTALL) 12699 Log.i(TAG, "Processing container " + cid); 12700 String pkgName = getAsecPackageName(cid); 12701 if (pkgName == null) { 12702 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12703 continue; 12704 } 12705 if (DEBUG_SD_INSTALL) 12706 Log.i(TAG, "Looking for pkg : " + pkgName); 12707 12708 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12709 if (ps == null) { 12710 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12711 continue; 12712 } 12713 12714 /* 12715 * Skip packages that are not external if we're unmounting 12716 * external storage. 12717 */ 12718 if (externalStorage && !isMounted && !isExternal(ps)) { 12719 continue; 12720 } 12721 12722 final AsecInstallArgs args = new AsecInstallArgs(cid, 12723 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12724 // The package status is changed only if the code path 12725 // matches between settings and the container id. 12726 if (ps.codePathString != null 12727 && ps.codePathString.startsWith(args.getCodePath())) { 12728 if (DEBUG_SD_INSTALL) { 12729 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12730 + " at code path: " + ps.codePathString); 12731 } 12732 12733 // We do have a valid package installed on sdcard 12734 processCids.put(args, ps.codePathString); 12735 final int uid = ps.appId; 12736 if (uid != -1) { 12737 uidArr = ArrayUtils.appendInt(uidArr, uid); 12738 } 12739 } else { 12740 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12741 + ps.codePathString); 12742 } 12743 } 12744 } 12745 12746 Arrays.sort(uidArr); 12747 } 12748 12749 // Process packages with valid entries. 12750 if (isMounted) { 12751 if (DEBUG_SD_INSTALL) 12752 Log.i(TAG, "Loading packages"); 12753 loadMediaPackages(processCids, uidArr); 12754 startCleaningPackages(); 12755 mInstallerService.onSecureContainersAvailable(); 12756 } else { 12757 if (DEBUG_SD_INSTALL) 12758 Log.i(TAG, "Unloading packages"); 12759 unloadMediaPackages(processCids, uidArr, reportStatus); 12760 } 12761 } 12762 12763 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12764 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12765 int size = pkgList.size(); 12766 if (size > 0) { 12767 // Send broadcasts here 12768 Bundle extras = new Bundle(); 12769 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12770 .toArray(new String[size])); 12771 if (uidArr != null) { 12772 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12773 } 12774 if (replacing) { 12775 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12776 } 12777 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12778 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12779 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12780 } 12781 } 12782 12783 /* 12784 * Look at potentially valid container ids from processCids If package 12785 * information doesn't match the one on record or package scanning fails, 12786 * the cid is added to list of removeCids. We currently don't delete stale 12787 * containers. 12788 */ 12789 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12790 ArrayList<String> pkgList = new ArrayList<String>(); 12791 Set<AsecInstallArgs> keys = processCids.keySet(); 12792 12793 for (AsecInstallArgs args : keys) { 12794 String codePath = processCids.get(args); 12795 if (DEBUG_SD_INSTALL) 12796 Log.i(TAG, "Loading container : " + args.cid); 12797 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12798 try { 12799 // Make sure there are no container errors first. 12800 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12801 Slog.e(TAG, "Failed to mount cid : " + args.cid 12802 + " when installing from sdcard"); 12803 continue; 12804 } 12805 // Check code path here. 12806 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12807 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12808 + " does not match one in settings " + codePath); 12809 continue; 12810 } 12811 // Parse package 12812 int parseFlags = mDefParseFlags; 12813 if (args.isExternal()) { 12814 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12815 } 12816 if (args.isFwdLocked()) { 12817 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12818 } 12819 12820 synchronized (mInstallLock) { 12821 PackageParser.Package pkg = null; 12822 try { 12823 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12824 } catch (PackageManagerException e) { 12825 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12826 } 12827 // Scan the package 12828 if (pkg != null) { 12829 /* 12830 * TODO why is the lock being held? doPostInstall is 12831 * called in other places without the lock. This needs 12832 * to be straightened out. 12833 */ 12834 // writer 12835 synchronized (mPackages) { 12836 retCode = PackageManager.INSTALL_SUCCEEDED; 12837 pkgList.add(pkg.packageName); 12838 // Post process args 12839 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12840 pkg.applicationInfo.uid); 12841 } 12842 } else { 12843 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12844 } 12845 } 12846 12847 } finally { 12848 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12849 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12850 } 12851 } 12852 } 12853 // writer 12854 synchronized (mPackages) { 12855 // If the platform SDK has changed since the last time we booted, 12856 // we need to re-grant app permission to catch any new ones that 12857 // appear. This is really a hack, and means that apps can in some 12858 // cases get permissions that the user didn't initially explicitly 12859 // allow... it would be nice to have some better way to handle 12860 // this situation. 12861 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12862 if (regrantPermissions) 12863 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12864 + mSdkVersion + "; regranting permissions for external storage"); 12865 mSettings.mExternalSdkPlatform = mSdkVersion; 12866 12867 // Make sure group IDs have been assigned, and any permission 12868 // changes in other apps are accounted for 12869 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12870 | (regrantPermissions 12871 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12872 : 0)); 12873 12874 mSettings.updateExternalDatabaseVersion(); 12875 12876 // can downgrade to reader 12877 // Persist settings 12878 mSettings.writeLPr(); 12879 } 12880 // Send a broadcast to let everyone know we are done processing 12881 if (pkgList.size() > 0) { 12882 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12883 } 12884 } 12885 12886 /* 12887 * Utility method to unload a list of specified containers 12888 */ 12889 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12890 // Just unmount all valid containers. 12891 for (AsecInstallArgs arg : cidArgs) { 12892 synchronized (mInstallLock) { 12893 arg.doPostDeleteLI(false); 12894 } 12895 } 12896 } 12897 12898 /* 12899 * Unload packages mounted on external media. This involves deleting package 12900 * data from internal structures, sending broadcasts about diabled packages, 12901 * gc'ing to free up references, unmounting all secure containers 12902 * corresponding to packages on external media, and posting a 12903 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12904 * that we always have to post this message if status has been requested no 12905 * matter what. 12906 */ 12907 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12908 final boolean reportStatus) { 12909 if (DEBUG_SD_INSTALL) 12910 Log.i(TAG, "unloading media packages"); 12911 ArrayList<String> pkgList = new ArrayList<String>(); 12912 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12913 final Set<AsecInstallArgs> keys = processCids.keySet(); 12914 for (AsecInstallArgs args : keys) { 12915 String pkgName = args.getPackageName(); 12916 if (DEBUG_SD_INSTALL) 12917 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12918 // Delete package internally 12919 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12920 synchronized (mInstallLock) { 12921 boolean res = deletePackageLI(pkgName, null, false, null, null, 12922 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12923 if (res) { 12924 pkgList.add(pkgName); 12925 } else { 12926 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12927 failedList.add(args); 12928 } 12929 } 12930 } 12931 12932 // reader 12933 synchronized (mPackages) { 12934 // We didn't update the settings after removing each package; 12935 // write them now for all packages. 12936 mSettings.writeLPr(); 12937 } 12938 12939 // We have to absolutely send UPDATED_MEDIA_STATUS only 12940 // after confirming that all the receivers processed the ordered 12941 // broadcast when packages get disabled, force a gc to clean things up. 12942 // and unload all the containers. 12943 if (pkgList.size() > 0) { 12944 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12945 new IIntentReceiver.Stub() { 12946 public void performReceive(Intent intent, int resultCode, String data, 12947 Bundle extras, boolean ordered, boolean sticky, 12948 int sendingUser) throws RemoteException { 12949 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12950 reportStatus ? 1 : 0, 1, keys); 12951 mHandler.sendMessage(msg); 12952 } 12953 }); 12954 } else { 12955 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12956 keys); 12957 mHandler.sendMessage(msg); 12958 } 12959 } 12960 12961 /** Binder call */ 12962 @Override 12963 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12964 final int flags) { 12965 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12966 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12967 int returnCode = PackageManager.MOVE_SUCCEEDED; 12968 int currInstallFlags = 0; 12969 int newInstallFlags = 0; 12970 12971 File codeFile = null; 12972 String installerPackageName = null; 12973 String packageAbiOverride = null; 12974 12975 // reader 12976 synchronized (mPackages) { 12977 final PackageParser.Package pkg = mPackages.get(packageName); 12978 final PackageSetting ps = mSettings.mPackages.get(packageName); 12979 if (pkg == null || ps == null) { 12980 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12981 } else { 12982 // Disable moving fwd locked apps and system packages 12983 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12984 Slog.w(TAG, "Cannot move system application"); 12985 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12986 } else if (pkg.mOperationPending) { 12987 Slog.w(TAG, "Attempt to move package which has pending operations"); 12988 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12989 } else { 12990 // Find install location first 12991 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12992 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12993 Slog.w(TAG, "Ambigous flags specified for move location."); 12994 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12995 } else { 12996 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12997 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12998 currInstallFlags = isExternal(pkg) 12999 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13000 13001 if (newInstallFlags == currInstallFlags) { 13002 Slog.w(TAG, "No move required. Trying to move to same location"); 13003 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13004 } else { 13005 if (pkg.isForwardLocked()) { 13006 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13007 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13008 } 13009 } 13010 } 13011 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13012 pkg.mOperationPending = true; 13013 } 13014 } 13015 13016 codeFile = new File(pkg.codePath); 13017 installerPackageName = ps.installerPackageName; 13018 packageAbiOverride = ps.cpuAbiOverrideString; 13019 } 13020 } 13021 13022 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13023 try { 13024 observer.packageMoved(packageName, returnCode); 13025 } catch (RemoteException ignored) { 13026 } 13027 return; 13028 } 13029 13030 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13031 @Override 13032 public void onUserActionRequired(Intent intent) throws RemoteException { 13033 throw new IllegalStateException(); 13034 } 13035 13036 @Override 13037 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13038 Bundle extras) throws RemoteException { 13039 Slog.d(TAG, "Install result for move: " 13040 + PackageManager.installStatusToString(returnCode, msg)); 13041 13042 // We usually have a new package now after the install, but if 13043 // we failed we need to clear the pending flag on the original 13044 // package object. 13045 synchronized (mPackages) { 13046 final PackageParser.Package pkg = mPackages.get(packageName); 13047 if (pkg != null) { 13048 pkg.mOperationPending = false; 13049 } 13050 } 13051 13052 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13053 switch (status) { 13054 case PackageInstaller.STATUS_SUCCESS: 13055 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13056 break; 13057 case PackageInstaller.STATUS_FAILURE_STORAGE: 13058 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13059 break; 13060 default: 13061 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13062 break; 13063 } 13064 } 13065 }; 13066 13067 // Treat a move like reinstalling an existing app, which ensures that we 13068 // process everythign uniformly, like unpacking native libraries. 13069 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13070 13071 final Message msg = mHandler.obtainMessage(INIT_COPY); 13072 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13073 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13074 installerPackageName, null, user, packageAbiOverride); 13075 mHandler.sendMessage(msg); 13076 } 13077 13078 @Override 13079 public boolean setInstallLocation(int loc) { 13080 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13081 null); 13082 if (getInstallLocation() == loc) { 13083 return true; 13084 } 13085 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13086 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13087 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13088 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13089 return true; 13090 } 13091 return false; 13092 } 13093 13094 @Override 13095 public int getInstallLocation() { 13096 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13097 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13098 PackageHelper.APP_INSTALL_AUTO); 13099 } 13100 13101 /** Called by UserManagerService */ 13102 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13103 mDirtyUsers.remove(userHandle); 13104 mSettings.removeUserLPw(userHandle); 13105 mPendingBroadcasts.remove(userHandle); 13106 if (mInstaller != null) { 13107 // Technically, we shouldn't be doing this with the package lock 13108 // held. However, this is very rare, and there is already so much 13109 // other disk I/O going on, that we'll let it slide for now. 13110 mInstaller.removeUserDataDirs(userHandle); 13111 } 13112 mUserNeedsBadging.delete(userHandle); 13113 removeUnusedPackagesLILPw(userManager, userHandle); 13114 } 13115 13116 /** 13117 * We're removing userHandle and would like to remove any downloaded packages 13118 * that are no longer in use by any other user. 13119 * @param userHandle the user being removed 13120 */ 13121 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13122 final boolean DEBUG_CLEAN_APKS = false; 13123 int [] users = userManager.getUserIdsLPr(); 13124 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13125 while (psit.hasNext()) { 13126 PackageSetting ps = psit.next(); 13127 if (ps.pkg == null) { 13128 continue; 13129 } 13130 final String packageName = ps.pkg.packageName; 13131 // Skip over if system app 13132 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13133 continue; 13134 } 13135 if (DEBUG_CLEAN_APKS) { 13136 Slog.i(TAG, "Checking package " + packageName); 13137 } 13138 boolean keep = false; 13139 for (int i = 0; i < users.length; i++) { 13140 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13141 keep = true; 13142 if (DEBUG_CLEAN_APKS) { 13143 Slog.i(TAG, " Keeping package " + packageName + " for user " 13144 + users[i]); 13145 } 13146 break; 13147 } 13148 } 13149 if (!keep) { 13150 if (DEBUG_CLEAN_APKS) { 13151 Slog.i(TAG, " Removing package " + packageName); 13152 } 13153 mHandler.post(new Runnable() { 13154 public void run() { 13155 deletePackageX(packageName, userHandle, 0); 13156 } //end run 13157 }); 13158 } 13159 } 13160 } 13161 13162 /** Called by UserManagerService */ 13163 void createNewUserLILPw(int userHandle, File path) { 13164 if (mInstaller != null) { 13165 mInstaller.createUserConfig(userHandle); 13166 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13167 } 13168 } 13169 13170 @Override 13171 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13172 mContext.enforceCallingOrSelfPermission( 13173 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13174 "Only package verification agents can read the verifier device identity"); 13175 13176 synchronized (mPackages) { 13177 return mSettings.getVerifierDeviceIdentityLPw(); 13178 } 13179 } 13180 13181 @Override 13182 public void setPermissionEnforced(String permission, boolean enforced) { 13183 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13184 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13185 synchronized (mPackages) { 13186 if (mSettings.mReadExternalStorageEnforced == null 13187 || mSettings.mReadExternalStorageEnforced != enforced) { 13188 mSettings.mReadExternalStorageEnforced = enforced; 13189 mSettings.writeLPr(); 13190 } 13191 } 13192 // kill any non-foreground processes so we restart them and 13193 // grant/revoke the GID. 13194 final IActivityManager am = ActivityManagerNative.getDefault(); 13195 if (am != null) { 13196 final long token = Binder.clearCallingIdentity(); 13197 try { 13198 am.killProcessesBelowForeground("setPermissionEnforcement"); 13199 } catch (RemoteException e) { 13200 } finally { 13201 Binder.restoreCallingIdentity(token); 13202 } 13203 } 13204 } else { 13205 throw new IllegalArgumentException("No selective enforcement for " + permission); 13206 } 13207 } 13208 13209 @Override 13210 @Deprecated 13211 public boolean isPermissionEnforced(String permission) { 13212 return true; 13213 } 13214 13215 @Override 13216 public boolean isStorageLow() { 13217 final long token = Binder.clearCallingIdentity(); 13218 try { 13219 final DeviceStorageMonitorInternal 13220 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13221 if (dsm != null) { 13222 return dsm.isMemoryLow(); 13223 } else { 13224 return false; 13225 } 13226 } finally { 13227 Binder.restoreCallingIdentity(token); 13228 } 13229 } 13230 13231 @Override 13232 public IPackageInstaller getPackageInstaller() { 13233 return mInstallerService; 13234 } 13235 13236 private boolean userNeedsBadging(int userId) { 13237 int index = mUserNeedsBadging.indexOfKey(userId); 13238 if (index < 0) { 13239 final UserInfo userInfo; 13240 final long token = Binder.clearCallingIdentity(); 13241 try { 13242 userInfo = sUserManager.getUserInfo(userId); 13243 } finally { 13244 Binder.restoreCallingIdentity(token); 13245 } 13246 final boolean b; 13247 if (userInfo != null && userInfo.isManagedProfile()) { 13248 b = true; 13249 } else { 13250 b = false; 13251 } 13252 mUserNeedsBadging.put(userId, b); 13253 return b; 13254 } 13255 return mUserNeedsBadging.valueAt(index); 13256 } 13257 13258 @Override 13259 public KeySet getKeySetByAlias(String packageName, String alias) { 13260 if (packageName == null || alias == null) { 13261 return null; 13262 } 13263 synchronized(mPackages) { 13264 final PackageParser.Package pkg = mPackages.get(packageName); 13265 if (pkg == null) { 13266 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13267 throw new IllegalArgumentException("Unknown package: " + packageName); 13268 } 13269 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13270 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13271 } 13272 } 13273 13274 @Override 13275 public KeySet getSigningKeySet(String packageName) { 13276 if (packageName == null) { 13277 return null; 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 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13286 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13287 throw new SecurityException("May not access signing KeySet of other apps."); 13288 } 13289 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13290 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13291 } 13292 } 13293 13294 @Override 13295 public boolean isPackageSignedByKeySet(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.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13309 } 13310 return false; 13311 } 13312 } 13313 13314 @Override 13315 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13316 if (packageName == null || ks == null) { 13317 return false; 13318 } 13319 synchronized(mPackages) { 13320 final PackageParser.Package pkg = mPackages.get(packageName); 13321 if (pkg == null) { 13322 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13323 throw new IllegalArgumentException("Unknown package: " + packageName); 13324 } 13325 IBinder ksh = ks.getToken(); 13326 if (ksh instanceof KeySetHandle) { 13327 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13328 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13329 } 13330 return false; 13331 } 13332 } 13333 13334 public void getUsageStatsIfNoPackageUsageInfo() { 13335 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13336 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13337 if (usm == null) { 13338 throw new IllegalStateException("UsageStatsManager must be initialized"); 13339 } 13340 long now = System.currentTimeMillis(); 13341 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13342 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13343 String packageName = entry.getKey(); 13344 PackageParser.Package pkg = mPackages.get(packageName); 13345 if (pkg == null) { 13346 continue; 13347 } 13348 UsageStats usage = entry.getValue(); 13349 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13350 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13351 } 13352 } 13353 } 13354 13355 /** 13356 * Check and throw if the given before/after packages would be considered a 13357 * downgrade. 13358 */ 13359 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13360 throws PackageManagerException { 13361 if (after.versionCode < before.mVersionCode) { 13362 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13363 "Update version code " + after.versionCode + " is older than current " 13364 + before.mVersionCode); 13365 } else if (after.versionCode == before.mVersionCode) { 13366 if (after.baseRevisionCode < before.baseRevisionCode) { 13367 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13368 "Update base revision code " + after.baseRevisionCode 13369 + " is older than current " + before.baseRevisionCode); 13370 } 13371 13372 if (!ArrayUtils.isEmpty(after.splitNames)) { 13373 for (int i = 0; i < after.splitNames.length; i++) { 13374 final String splitName = after.splitNames[i]; 13375 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13376 if (j != -1) { 13377 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13378 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13379 "Update split " + splitName + " revision code " 13380 + after.splitRevisionCodes[i] + " is older than current " 13381 + before.splitRevisionCodes[j]); 13382 } 13383 } 13384 } 13385 } 13386 } 13387 } 13388} 13389