PackageManagerService.java revision 1d184acefa7105592134edebf7de4d77843d5791
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 47import static android.content.pm.PackageParser.isApkFile; 48import static android.os.Process.PACKAGE_INFO_GID; 49import static android.os.Process.SYSTEM_UID; 50import static android.system.OsConstants.O_CREAT; 51import static android.system.OsConstants.O_RDWR; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 53import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 54import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 55import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 56import static com.android.internal.util.ArrayUtils.appendInt; 57import static com.android.internal.util.ArrayUtils.removeInt; 58 59import android.util.ArrayMap; 60 61import com.android.internal.R; 62import com.android.internal.app.IMediaContainerService; 63import com.android.internal.app.ResolverActivity; 64import com.android.internal.content.NativeLibraryHelper; 65import com.android.internal.content.PackageHelper; 66import com.android.internal.os.IParcelFileDescriptorFactory; 67import com.android.internal.util.ArrayUtils; 68import com.android.internal.util.FastPrintWriter; 69import com.android.internal.util.FastXmlSerializer; 70import com.android.internal.util.IndentingPrintWriter; 71import com.android.server.EventLogTags; 72import com.android.server.IntentResolver; 73import com.android.server.LocalServices; 74import com.android.server.ServiceThread; 75import com.android.server.SystemConfig; 76import com.android.server.Watchdog; 77import com.android.server.pm.Settings.DatabaseVersion; 78import com.android.server.storage.DeviceStorageMonitorInternal; 79 80import org.xmlpull.v1.XmlSerializer; 81 82import android.app.ActivityManager; 83import android.app.ActivityManagerNative; 84import android.app.AppGlobals; 85import android.app.IActivityManager; 86import android.app.admin.IDevicePolicyManager; 87import android.app.backup.IBackupManager; 88import android.app.usage.UsageStats; 89import android.app.usage.UsageStatsManager; 90import android.content.BroadcastReceiver; 91import android.content.ComponentName; 92import android.content.Context; 93import android.content.IIntentReceiver; 94import android.content.Intent; 95import android.content.IntentFilter; 96import android.content.IntentSender; 97import android.content.IntentSender.SendIntentException; 98import android.content.ServiceConnection; 99import android.content.pm.ActivityInfo; 100import android.content.pm.ApplicationInfo; 101import android.content.pm.FeatureInfo; 102import android.content.pm.IPackageDataObserver; 103import android.content.pm.IPackageDeleteObserver; 104import android.content.pm.IPackageDeleteObserver2; 105import android.content.pm.IPackageInstallObserver2; 106import android.content.pm.IPackageInstaller; 107import android.content.pm.IPackageManager; 108import android.content.pm.IPackageMoveObserver; 109import android.content.pm.IPackageStatsObserver; 110import android.content.pm.InstrumentationInfo; 111import android.content.pm.KeySet; 112import android.content.pm.ManifestDigest; 113import android.content.pm.PackageCleanItem; 114import android.content.pm.PackageInfo; 115import android.content.pm.PackageInfoLite; 116import android.content.pm.PackageInstaller; 117import android.content.pm.PackageManager; 118import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 119import android.content.pm.PackageParser.ActivityIntentInfo; 120import android.content.pm.PackageParser.PackageLite; 121import android.content.pm.PackageParser.PackageParserException; 122import android.content.pm.PackageParser; 123import android.content.pm.PackageStats; 124import android.content.pm.PackageUserState; 125import android.content.pm.ParceledListSlice; 126import android.content.pm.PermissionGroupInfo; 127import android.content.pm.PermissionInfo; 128import android.content.pm.ProviderInfo; 129import android.content.pm.ResolveInfo; 130import android.content.pm.ServiceInfo; 131import android.content.pm.Signature; 132import android.content.pm.UserInfo; 133import android.content.pm.VerificationParams; 134import android.content.pm.VerifierDeviceIdentity; 135import android.content.pm.VerifierInfo; 136import android.content.res.Resources; 137import android.hardware.display.DisplayManager; 138import android.net.Uri; 139import android.os.Binder; 140import android.os.Build; 141import android.os.Bundle; 142import android.os.Environment; 143import android.os.Environment.UserEnvironment; 144import android.os.storage.IMountService; 145import android.os.storage.StorageManager; 146import android.os.Debug; 147import android.os.FileUtils; 148import android.os.Handler; 149import android.os.IBinder; 150import android.os.Looper; 151import android.os.Message; 152import android.os.Parcel; 153import android.os.ParcelFileDescriptor; 154import android.os.Process; 155import android.os.RemoteException; 156import android.os.SELinux; 157import android.os.ServiceManager; 158import android.os.SystemClock; 159import android.os.SystemProperties; 160import android.os.UserHandle; 161import android.os.UserManager; 162import android.security.KeyStore; 163import android.security.SystemKeyStore; 164import android.system.ErrnoException; 165import android.system.Os; 166import android.system.StructStat; 167import android.text.TextUtils; 168import android.text.format.DateUtils; 169import android.util.ArraySet; 170import android.util.AtomicFile; 171import android.util.DisplayMetrics; 172import android.util.EventLog; 173import android.util.ExceptionUtils; 174import android.util.Log; 175import android.util.LogPrinter; 176import android.util.PrintStreamPrinter; 177import android.util.Slog; 178import android.util.SparseArray; 179import android.util.SparseBooleanArray; 180import android.view.Display; 181 182import java.io.BufferedInputStream; 183import java.io.BufferedOutputStream; 184import java.io.BufferedReader; 185import java.io.File; 186import java.io.FileDescriptor; 187import java.io.FileInputStream; 188import java.io.FileNotFoundException; 189import java.io.FileOutputStream; 190import java.io.FileReader; 191import java.io.FilenameFilter; 192import java.io.IOException; 193import java.io.InputStream; 194import java.io.PrintWriter; 195import java.nio.charset.StandardCharsets; 196import java.security.NoSuchAlgorithmException; 197import java.security.PublicKey; 198import java.security.cert.CertificateEncodingException; 199import java.security.cert.CertificateException; 200import java.text.SimpleDateFormat; 201import java.util.ArrayList; 202import java.util.Arrays; 203import java.util.Collection; 204import java.util.Collections; 205import java.util.Comparator; 206import java.util.Date; 207import java.util.Iterator; 208import java.util.List; 209import java.util.Map; 210import java.util.Objects; 211import java.util.Set; 212import java.util.concurrent.atomic.AtomicBoolean; 213import java.util.concurrent.atomic.AtomicLong; 214 215import dalvik.system.DexFile; 216import dalvik.system.StaleDexCacheError; 217import dalvik.system.VMRuntime; 218 219import libcore.io.IoUtils; 220import libcore.util.EmptyArray; 221 222/** 223 * Keep track of all those .apks everywhere. 224 * 225 * This is very central to the platform's security; please run the unit 226 * tests whenever making modifications here: 227 * 228mmm frameworks/base/tests/AndroidTests 229adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 230adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 231 * 232 * {@hide} 233 */ 234public class PackageManagerService extends IPackageManager.Stub { 235 static final String TAG = "PackageManager"; 236 static final boolean DEBUG_SETTINGS = false; 237 static final boolean DEBUG_PREFERRED = false; 238 static final boolean DEBUG_UPGRADE = false; 239 private static final boolean DEBUG_INSTALL = false; 240 private static final boolean DEBUG_REMOVE = false; 241 private static final boolean DEBUG_BROADCASTS = false; 242 private static final boolean DEBUG_SHOW_INFO = false; 243 private static final boolean DEBUG_PACKAGE_INFO = false; 244 private static final boolean DEBUG_INTENT_MATCHING = false; 245 private static final boolean DEBUG_PACKAGE_SCANNING = false; 246 private static final boolean DEBUG_VERIFY = false; 247 private static final boolean DEBUG_DEXOPT = false; 248 private static final boolean DEBUG_ABI_SELECTION = false; 249 250 private static final int RADIO_UID = Process.PHONE_UID; 251 private static final int LOG_UID = Process.LOG_UID; 252 private static final int NFC_UID = Process.NFC_UID; 253 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 254 private static final int SHELL_UID = Process.SHELL_UID; 255 256 // Cap the size of permission trees that 3rd party apps can define 257 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 258 259 // Suffix used during package installation when copying/moving 260 // package apks to install directory. 261 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 262 263 static final int SCAN_NO_DEX = 1<<1; 264 static final int SCAN_FORCE_DEX = 1<<2; 265 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 266 static final int SCAN_NEW_INSTALL = 1<<4; 267 static final int SCAN_NO_PATHS = 1<<5; 268 static final int SCAN_UPDATE_TIME = 1<<6; 269 static final int SCAN_DEFER_DEX = 1<<7; 270 static final int SCAN_BOOTING = 1<<8; 271 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 272 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 273 static final int SCAN_REPLACING = 1<<11; 274 275 static final int REMOVE_CHATTY = 1<<16; 276 277 /** 278 * Timeout (in milliseconds) after which the watchdog should declare that 279 * our handler thread is wedged. The usual default for such things is one 280 * minute but we sometimes do very lengthy I/O operations on this thread, 281 * such as installing multi-gigabyte applications, so ours needs to be longer. 282 */ 283 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 284 285 /** 286 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 287 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 288 * settings entry if available, otherwise we use the hardcoded default. If it's been 289 * more than this long since the last fstrim, we force one during the boot sequence. 290 * 291 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 292 * one gets run at the next available charging+idle time. This final mandatory 293 * no-fstrim check kicks in only of the other scheduling criteria is never met. 294 */ 295 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 296 297 /** 298 * Whether verification is enabled by default. 299 */ 300 private static final boolean DEFAULT_VERIFY_ENABLE = true; 301 302 /** 303 * The default maximum time to wait for the verification agent to return in 304 * milliseconds. 305 */ 306 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 307 308 /** 309 * The default response for package verification timeout. 310 * 311 * This can be either PackageManager.VERIFICATION_ALLOW or 312 * PackageManager.VERIFICATION_REJECT. 313 */ 314 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 315 316 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 317 318 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 319 DEFAULT_CONTAINER_PACKAGE, 320 "com.android.defcontainer.DefaultContainerService"); 321 322 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 323 324 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 325 326 private static String sPreferredInstructionSet; 327 328 final ServiceThread mHandlerThread; 329 330 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 331 private static final String IDMAP_SUFFIX = "@idmap"; 332 333 final PackageHandler mHandler; 334 335 /** 336 * Messages for {@link #mHandler} that need to wait for system ready before 337 * being dispatched. 338 */ 339 private ArrayList<Message> mPostSystemReadyMessages; 340 341 final int mSdkVersion = Build.VERSION.SDK_INT; 342 343 final Context mContext; 344 final boolean mFactoryTest; 345 final boolean mOnlyCore; 346 final boolean mLazyDexOpt; 347 final long mDexOptLRUThresholdInMills; 348 final DisplayMetrics mMetrics; 349 final int mDefParseFlags; 350 final String[] mSeparateProcesses; 351 final boolean mIsUpgrade; 352 353 // This is where all application persistent data goes. 354 final File mAppDataDir; 355 356 // This is where all application persistent data goes for secondary users. 357 final File mUserAppDataDir; 358 359 /** The location for ASEC container files on internal storage. */ 360 final String mAsecInternalPath; 361 362 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 363 // LOCK HELD. Can be called with mInstallLock held. 364 final Installer mInstaller; 365 366 /** Directory where installed third-party apps stored */ 367 final File mAppInstallDir; 368 369 /** 370 * Directory to which applications installed internally have their 371 * 32 bit native libraries copied. 372 */ 373 private File mAppLib32InstallDir; 374 375 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 376 // apps. 377 final File mDrmAppPrivateInstallDir; 378 379 // ---------------------------------------------------------------- 380 381 // Lock for state used when installing and doing other long running 382 // operations. Methods that must be called with this lock held have 383 // the suffix "LI". 384 final Object mInstallLock = new Object(); 385 386 // ---------------------------------------------------------------- 387 388 // Keys are String (package name), values are Package. This also serves 389 // as the lock for the global state. Methods that must be called with 390 // this lock held have the prefix "LP". 391 final ArrayMap<String, PackageParser.Package> mPackages = 392 new ArrayMap<String, PackageParser.Package>(); 393 394 // Tracks available target package names -> overlay package paths. 395 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 396 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 397 398 final Settings mSettings; 399 boolean mRestoredSettings; 400 401 // System configuration read by SystemConfig. 402 final int[] mGlobalGids; 403 final SparseArray<ArraySet<String>> mSystemPermissions; 404 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 405 406 // If mac_permissions.xml was found for seinfo labeling. 407 boolean mFoundPolicyFile; 408 409 // If a recursive restorecon of /data/data/<pkg> is needed. 410 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 411 412 public static final class SharedLibraryEntry { 413 public final String path; 414 public final String apk; 415 416 SharedLibraryEntry(String _path, String _apk) { 417 path = _path; 418 apk = _apk; 419 } 420 } 421 422 // Currently known shared libraries. 423 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 424 new ArrayMap<String, SharedLibraryEntry>(); 425 426 // All available activities, for your resolving pleasure. 427 final ActivityIntentResolver mActivities = 428 new ActivityIntentResolver(); 429 430 // All available receivers, for your resolving pleasure. 431 final ActivityIntentResolver mReceivers = 432 new ActivityIntentResolver(); 433 434 // All available services, for your resolving pleasure. 435 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 436 437 // All available providers, for your resolving pleasure. 438 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 439 440 // Mapping from provider base names (first directory in content URI codePath) 441 // to the provider information. 442 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 443 new ArrayMap<String, PackageParser.Provider>(); 444 445 // Mapping from instrumentation class names to info about them. 446 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 447 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 448 449 // Mapping from permission names to info about them. 450 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 451 new ArrayMap<String, PackageParser.PermissionGroup>(); 452 453 // Packages whose data we have transfered into another package, thus 454 // should no longer exist. 455 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 456 457 // Broadcast actions that are only available to the system. 458 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 459 460 /** List of packages waiting for verification. */ 461 final SparseArray<PackageVerificationState> mPendingVerification 462 = new SparseArray<PackageVerificationState>(); 463 464 /** Set of packages associated with each app op permission. */ 465 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 466 467 final PackageInstallerService mInstallerService; 468 469 ArraySet<PackageParser.Package> mDeferredDexOpt = null; 470 471 // Cache of users who need badging. 472 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 473 474 /** Token for keys in mPendingVerification. */ 475 private int mPendingVerificationToken = 0; 476 477 volatile boolean mSystemReady; 478 volatile boolean mSafeMode; 479 volatile boolean mHasSystemUidErrors; 480 481 ApplicationInfo mAndroidApplication; 482 final ActivityInfo mResolveActivity = new ActivityInfo(); 483 final ResolveInfo mResolveInfo = new ResolveInfo(); 484 ComponentName mResolveComponentName; 485 PackageParser.Package mPlatformPackage; 486 ComponentName mCustomResolverComponentName; 487 488 boolean mResolverReplaced = false; 489 490 // Set of pending broadcasts for aggregating enable/disable of components. 491 static class PendingPackageBroadcasts { 492 // for each user id, a map of <package name -> components within that package> 493 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 494 495 public PendingPackageBroadcasts() { 496 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 497 } 498 499 public ArrayList<String> get(int userId, String packageName) { 500 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 501 return packages.get(packageName); 502 } 503 504 public void put(int userId, String packageName, ArrayList<String> components) { 505 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 506 packages.put(packageName, components); 507 } 508 509 public void remove(int userId, String packageName) { 510 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 511 if (packages != null) { 512 packages.remove(packageName); 513 } 514 } 515 516 public void remove(int userId) { 517 mUidMap.remove(userId); 518 } 519 520 public int userIdCount() { 521 return mUidMap.size(); 522 } 523 524 public int userIdAt(int n) { 525 return mUidMap.keyAt(n); 526 } 527 528 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 529 return mUidMap.get(userId); 530 } 531 532 public int size() { 533 // total number of pending broadcast entries across all userIds 534 int num = 0; 535 for (int i = 0; i< mUidMap.size(); i++) { 536 num += mUidMap.valueAt(i).size(); 537 } 538 return num; 539 } 540 541 public void clear() { 542 mUidMap.clear(); 543 } 544 545 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 546 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 547 if (map == null) { 548 map = new ArrayMap<String, ArrayList<String>>(); 549 mUidMap.put(userId, map); 550 } 551 return map; 552 } 553 } 554 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 555 556 // Service Connection to remote media container service to copy 557 // package uri's from external media onto secure containers 558 // or internal storage. 559 private IMediaContainerService mContainerService = null; 560 561 static final int SEND_PENDING_BROADCAST = 1; 562 static final int MCS_BOUND = 3; 563 static final int END_COPY = 4; 564 static final int INIT_COPY = 5; 565 static final int MCS_UNBIND = 6; 566 static final int START_CLEANING_PACKAGE = 7; 567 static final int FIND_INSTALL_LOC = 8; 568 static final int POST_INSTALL = 9; 569 static final int MCS_RECONNECT = 10; 570 static final int MCS_GIVE_UP = 11; 571 static final int UPDATED_MEDIA_STATUS = 12; 572 static final int WRITE_SETTINGS = 13; 573 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 574 static final int PACKAGE_VERIFIED = 15; 575 static final int CHECK_PENDING_VERIFICATION = 16; 576 577 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 578 579 // Delay time in millisecs 580 static final int BROADCAST_DELAY = 10 * 1000; 581 582 static UserManagerService sUserManager; 583 584 // Stores a list of users whose package restrictions file needs to be updated 585 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 586 587 final private DefaultContainerConnection mDefContainerConn = 588 new DefaultContainerConnection(); 589 class DefaultContainerConnection implements ServiceConnection { 590 public void onServiceConnected(ComponentName name, IBinder service) { 591 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 592 IMediaContainerService imcs = 593 IMediaContainerService.Stub.asInterface(service); 594 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 595 } 596 597 public void onServiceDisconnected(ComponentName name) { 598 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 599 } 600 }; 601 602 // Recordkeeping of restore-after-install operations that are currently in flight 603 // between the Package Manager and the Backup Manager 604 class PostInstallData { 605 public InstallArgs args; 606 public PackageInstalledInfo res; 607 608 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 609 args = _a; 610 res = _r; 611 } 612 }; 613 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 614 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 615 616 private final String mRequiredVerifierPackage; 617 618 private final PackageUsage mPackageUsage = new PackageUsage(); 619 620 private class PackageUsage { 621 private static final int WRITE_INTERVAL 622 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 623 624 private final Object mFileLock = new Object(); 625 private final AtomicLong mLastWritten = new AtomicLong(0); 626 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 627 628 private boolean mIsHistoricalPackageUsageAvailable = true; 629 630 boolean isHistoricalPackageUsageAvailable() { 631 return mIsHistoricalPackageUsageAvailable; 632 } 633 634 void write(boolean force) { 635 if (force) { 636 writeInternal(); 637 return; 638 } 639 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 640 && !DEBUG_DEXOPT) { 641 return; 642 } 643 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 644 new Thread("PackageUsage_DiskWriter") { 645 @Override 646 public void run() { 647 try { 648 writeInternal(); 649 } finally { 650 mBackgroundWriteRunning.set(false); 651 } 652 } 653 }.start(); 654 } 655 } 656 657 private void writeInternal() { 658 synchronized (mPackages) { 659 synchronized (mFileLock) { 660 AtomicFile file = getFile(); 661 FileOutputStream f = null; 662 try { 663 f = file.startWrite(); 664 BufferedOutputStream out = new BufferedOutputStream(f); 665 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 666 StringBuilder sb = new StringBuilder(); 667 for (PackageParser.Package pkg : mPackages.values()) { 668 if (pkg.mLastPackageUsageTimeInMills == 0) { 669 continue; 670 } 671 sb.setLength(0); 672 sb.append(pkg.packageName); 673 sb.append(' '); 674 sb.append((long)pkg.mLastPackageUsageTimeInMills); 675 sb.append('\n'); 676 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 677 } 678 out.flush(); 679 file.finishWrite(f); 680 } catch (IOException e) { 681 if (f != null) { 682 file.failWrite(f); 683 } 684 Log.e(TAG, "Failed to write package usage times", e); 685 } 686 } 687 } 688 mLastWritten.set(SystemClock.elapsedRealtime()); 689 } 690 691 void readLP() { 692 synchronized (mFileLock) { 693 AtomicFile file = getFile(); 694 BufferedInputStream in = null; 695 try { 696 in = new BufferedInputStream(file.openRead()); 697 StringBuffer sb = new StringBuffer(); 698 while (true) { 699 String packageName = readToken(in, sb, ' '); 700 if (packageName == null) { 701 break; 702 } 703 String timeInMillisString = readToken(in, sb, '\n'); 704 if (timeInMillisString == null) { 705 throw new IOException("Failed to find last usage time for package " 706 + packageName); 707 } 708 PackageParser.Package pkg = mPackages.get(packageName); 709 if (pkg == null) { 710 continue; 711 } 712 long timeInMillis; 713 try { 714 timeInMillis = Long.parseLong(timeInMillisString.toString()); 715 } catch (NumberFormatException e) { 716 throw new IOException("Failed to parse " + timeInMillisString 717 + " as a long.", e); 718 } 719 pkg.mLastPackageUsageTimeInMills = timeInMillis; 720 } 721 } catch (FileNotFoundException expected) { 722 mIsHistoricalPackageUsageAvailable = false; 723 } catch (IOException e) { 724 Log.w(TAG, "Failed to read package usage times", e); 725 } finally { 726 IoUtils.closeQuietly(in); 727 } 728 } 729 mLastWritten.set(SystemClock.elapsedRealtime()); 730 } 731 732 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 733 throws IOException { 734 sb.setLength(0); 735 while (true) { 736 int ch = in.read(); 737 if (ch == -1) { 738 if (sb.length() == 0) { 739 return null; 740 } 741 throw new IOException("Unexpected EOF"); 742 } 743 if (ch == endOfToken) { 744 return sb.toString(); 745 } 746 sb.append((char)ch); 747 } 748 } 749 750 private AtomicFile getFile() { 751 File dataDir = Environment.getDataDirectory(); 752 File systemDir = new File(dataDir, "system"); 753 File fname = new File(systemDir, "package-usage.list"); 754 return new AtomicFile(fname); 755 } 756 } 757 758 class PackageHandler extends Handler { 759 private boolean mBound = false; 760 final ArrayList<HandlerParams> mPendingInstalls = 761 new ArrayList<HandlerParams>(); 762 763 private boolean connectToService() { 764 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 765 " DefaultContainerService"); 766 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 767 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 768 if (mContext.bindServiceAsUser(service, mDefContainerConn, 769 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 mBound = true; 772 return true; 773 } 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 return false; 776 } 777 778 private void disconnectService() { 779 mContainerService = null; 780 mBound = false; 781 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 782 mContext.unbindService(mDefContainerConn); 783 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 784 } 785 786 PackageHandler(Looper looper) { 787 super(looper); 788 } 789 790 public void handleMessage(Message msg) { 791 try { 792 doHandleMessage(msg); 793 } finally { 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 } 796 } 797 798 void doHandleMessage(Message msg) { 799 switch (msg.what) { 800 case INIT_COPY: { 801 HandlerParams params = (HandlerParams) msg.obj; 802 int idx = mPendingInstalls.size(); 803 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 804 // If a bind was already initiated we dont really 805 // need to do anything. The pending install 806 // will be processed later on. 807 if (!mBound) { 808 // If this is the only one pending we might 809 // have to bind to the service again. 810 if (!connectToService()) { 811 Slog.e(TAG, "Failed to bind to media container service"); 812 params.serviceError(); 813 return; 814 } else { 815 // Once we bind to the service, the first 816 // pending request will be processed. 817 mPendingInstalls.add(idx, params); 818 } 819 } else { 820 mPendingInstalls.add(idx, params); 821 // Already bound to the service. Just make 822 // sure we trigger off processing the first request. 823 if (idx == 0) { 824 mHandler.sendEmptyMessage(MCS_BOUND); 825 } 826 } 827 break; 828 } 829 case MCS_BOUND: { 830 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 831 if (msg.obj != null) { 832 mContainerService = (IMediaContainerService) msg.obj; 833 } 834 if (mContainerService == null) { 835 // Something seriously wrong. Bail out 836 Slog.e(TAG, "Cannot bind to media container service"); 837 for (HandlerParams params : mPendingInstalls) { 838 // Indicate service bind error 839 params.serviceError(); 840 } 841 mPendingInstalls.clear(); 842 } else if (mPendingInstalls.size() > 0) { 843 HandlerParams params = mPendingInstalls.get(0); 844 if (params != null) { 845 if (params.startCopy()) { 846 // We are done... look for more work or to 847 // go idle. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Checking for more work or unbind..."); 850 // Delete pending install 851 if (mPendingInstalls.size() > 0) { 852 mPendingInstalls.remove(0); 853 } 854 if (mPendingInstalls.size() == 0) { 855 if (mBound) { 856 if (DEBUG_SD_INSTALL) Log.i(TAG, 857 "Posting delayed MCS_UNBIND"); 858 removeMessages(MCS_UNBIND); 859 Message ubmsg = obtainMessage(MCS_UNBIND); 860 // Unbind after a little delay, to avoid 861 // continual thrashing. 862 sendMessageDelayed(ubmsg, 10000); 863 } 864 } else { 865 // There are more pending requests in queue. 866 // Just post MCS_BOUND message to trigger processing 867 // of next pending install. 868 if (DEBUG_SD_INSTALL) Log.i(TAG, 869 "Posting MCS_BOUND for next work"); 870 mHandler.sendEmptyMessage(MCS_BOUND); 871 } 872 } 873 } 874 } else { 875 // Should never happen ideally. 876 Slog.w(TAG, "Empty queue"); 877 } 878 break; 879 } 880 case MCS_RECONNECT: { 881 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 882 if (mPendingInstalls.size() > 0) { 883 if (mBound) { 884 disconnectService(); 885 } 886 if (!connectToService()) { 887 Slog.e(TAG, "Failed to bind to media container service"); 888 for (HandlerParams params : mPendingInstalls) { 889 // Indicate service bind error 890 params.serviceError(); 891 } 892 mPendingInstalls.clear(); 893 } 894 } 895 break; 896 } 897 case MCS_UNBIND: { 898 // If there is no actual work left, then time to unbind. 899 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 900 901 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 902 if (mBound) { 903 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 904 905 disconnectService(); 906 } 907 } else if (mPendingInstalls.size() > 0) { 908 // There are more pending requests in queue. 909 // Just post MCS_BOUND message to trigger processing 910 // of next pending install. 911 mHandler.sendEmptyMessage(MCS_BOUND); 912 } 913 914 break; 915 } 916 case MCS_GIVE_UP: { 917 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 918 mPendingInstalls.remove(0); 919 break; 920 } 921 case SEND_PENDING_BROADCAST: { 922 String packages[]; 923 ArrayList<String> components[]; 924 int size = 0; 925 int uids[]; 926 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 927 synchronized (mPackages) { 928 if (mPendingBroadcasts == null) { 929 return; 930 } 931 size = mPendingBroadcasts.size(); 932 if (size <= 0) { 933 // Nothing to be done. Just return 934 return; 935 } 936 packages = new String[size]; 937 components = new ArrayList[size]; 938 uids = new int[size]; 939 int i = 0; // filling out the above arrays 940 941 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 942 int packageUserId = mPendingBroadcasts.userIdAt(n); 943 Iterator<Map.Entry<String, ArrayList<String>>> it 944 = mPendingBroadcasts.packagesForUserId(packageUserId) 945 .entrySet().iterator(); 946 while (it.hasNext() && i < size) { 947 Map.Entry<String, ArrayList<String>> ent = it.next(); 948 packages[i] = ent.getKey(); 949 components[i] = ent.getValue(); 950 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 951 uids[i] = (ps != null) 952 ? UserHandle.getUid(packageUserId, ps.appId) 953 : -1; 954 i++; 955 } 956 } 957 size = i; 958 mPendingBroadcasts.clear(); 959 } 960 // Send broadcasts 961 for (int i = 0; i < size; i++) { 962 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 break; 966 } 967 case START_CLEANING_PACKAGE: { 968 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 969 final String packageName = (String)msg.obj; 970 final int userId = msg.arg1; 971 final boolean andCode = msg.arg2 != 0; 972 synchronized (mPackages) { 973 if (userId == UserHandle.USER_ALL) { 974 int[] users = sUserManager.getUserIds(); 975 for (int user : users) { 976 mSettings.addPackageToCleanLPw( 977 new PackageCleanItem(user, packageName, andCode)); 978 } 979 } else { 980 mSettings.addPackageToCleanLPw( 981 new PackageCleanItem(userId, packageName, andCode)); 982 } 983 } 984 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 985 startCleaningPackages(); 986 } break; 987 case POST_INSTALL: { 988 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 989 PostInstallData data = mRunningInstalls.get(msg.arg1); 990 mRunningInstalls.delete(msg.arg1); 991 boolean deleteOld = false; 992 993 if (data != null) { 994 InstallArgs args = data.args; 995 PackageInstalledInfo res = data.res; 996 997 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 998 res.removedInfo.sendBroadcast(false, true, false); 999 Bundle extras = new Bundle(1); 1000 extras.putInt(Intent.EXTRA_UID, res.uid); 1001 // Determine the set of users who are adding this 1002 // package for the first time vs. those who are seeing 1003 // an update. 1004 int[] firstUsers; 1005 int[] updateUsers = new int[0]; 1006 if (res.origUsers == null || res.origUsers.length == 0) { 1007 firstUsers = res.newUsers; 1008 } else { 1009 firstUsers = new int[0]; 1010 for (int i=0; i<res.newUsers.length; i++) { 1011 int user = res.newUsers[i]; 1012 boolean isNew = true; 1013 for (int j=0; j<res.origUsers.length; j++) { 1014 if (res.origUsers[j] == user) { 1015 isNew = false; 1016 break; 1017 } 1018 } 1019 if (isNew) { 1020 int[] newFirst = new int[firstUsers.length+1]; 1021 System.arraycopy(firstUsers, 0, newFirst, 0, 1022 firstUsers.length); 1023 newFirst[firstUsers.length] = user; 1024 firstUsers = newFirst; 1025 } else { 1026 int[] newUpdate = new int[updateUsers.length+1]; 1027 System.arraycopy(updateUsers, 0, newUpdate, 0, 1028 updateUsers.length); 1029 newUpdate[updateUsers.length] = user; 1030 updateUsers = newUpdate; 1031 } 1032 } 1033 } 1034 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1035 res.pkg.applicationInfo.packageName, 1036 extras, null, null, firstUsers); 1037 final boolean update = res.removedInfo.removedPackage != null; 1038 if (update) { 1039 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1040 } 1041 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1042 res.pkg.applicationInfo.packageName, 1043 extras, null, null, updateUsers); 1044 if (update) { 1045 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1046 res.pkg.applicationInfo.packageName, 1047 extras, null, null, updateUsers); 1048 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1049 null, null, 1050 res.pkg.applicationInfo.packageName, null, updateUsers); 1051 1052 // treat asec-hosted packages like removable media on upgrade 1053 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1054 if (DEBUG_INSTALL) { 1055 Slog.i(TAG, "upgrading pkg " + res.pkg 1056 + " is ASEC-hosted -> AVAILABLE"); 1057 } 1058 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1059 ArrayList<String> pkgList = new ArrayList<String>(1); 1060 pkgList.add(res.pkg.applicationInfo.packageName); 1061 sendResourcesChangedBroadcast(true, true, 1062 pkgList,uidArray, null); 1063 } 1064 } 1065 if (res.removedInfo.args != null) { 1066 // Remove the replaced package's older resources safely now 1067 deleteOld = true; 1068 } 1069 1070 // Log current value of "unknown sources" setting 1071 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1072 getUnknownSourcesSettings()); 1073 } 1074 // Force a gc to clear up things 1075 Runtime.getRuntime().gc(); 1076 // We delete after a gc for applications on sdcard. 1077 if (deleteOld) { 1078 synchronized (mInstallLock) { 1079 res.removedInfo.args.doPostDeleteLI(true); 1080 } 1081 } 1082 if (args.observer != null) { 1083 try { 1084 Bundle extras = extrasForInstallResult(res); 1085 args.observer.onPackageInstalled(res.name, res.returnCode, 1086 res.returnMsg, extras); 1087 } catch (RemoteException e) { 1088 Slog.i(TAG, "Observer no longer exists."); 1089 } 1090 } 1091 } else { 1092 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1093 } 1094 } break; 1095 case UPDATED_MEDIA_STATUS: { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1097 boolean reportStatus = msg.arg1 == 1; 1098 boolean doGc = msg.arg2 == 1; 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1100 if (doGc) { 1101 // Force a gc to clear up stale containers. 1102 Runtime.getRuntime().gc(); 1103 } 1104 if (msg.obj != null) { 1105 @SuppressWarnings("unchecked") 1106 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1107 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1108 // Unload containers 1109 unloadAllContainers(args); 1110 } 1111 if (reportStatus) { 1112 try { 1113 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1114 PackageHelper.getMountService().finishMediaUpdate(); 1115 } catch (RemoteException e) { 1116 Log.e(TAG, "MountService not running?"); 1117 } 1118 } 1119 } break; 1120 case WRITE_SETTINGS: { 1121 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1122 synchronized (mPackages) { 1123 removeMessages(WRITE_SETTINGS); 1124 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1125 mSettings.writeLPr(); 1126 mDirtyUsers.clear(); 1127 } 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1129 } break; 1130 case WRITE_PACKAGE_RESTRICTIONS: { 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1132 synchronized (mPackages) { 1133 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1134 for (int userId : mDirtyUsers) { 1135 mSettings.writePackageRestrictionsLPr(userId); 1136 } 1137 mDirtyUsers.clear(); 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } break; 1141 case CHECK_PENDING_VERIFICATION: { 1142 final int verificationId = msg.arg1; 1143 final PackageVerificationState state = mPendingVerification.get(verificationId); 1144 1145 if ((state != null) && !state.timeoutExtended()) { 1146 final InstallArgs args = state.getInstallArgs(); 1147 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1148 1149 Slog.i(TAG, "Verification timed out for " + originUri); 1150 mPendingVerification.remove(verificationId); 1151 1152 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1153 1154 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1155 Slog.i(TAG, "Continuing with installation of " + originUri); 1156 state.setVerifierResponse(Binder.getCallingUid(), 1157 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1158 broadcastPackageVerified(verificationId, originUri, 1159 PackageManager.VERIFICATION_ALLOW, 1160 state.getInstallArgs().getUser()); 1161 try { 1162 ret = args.copyApk(mContainerService, true); 1163 } catch (RemoteException e) { 1164 Slog.e(TAG, "Could not contact the ContainerService"); 1165 } 1166 } else { 1167 broadcastPackageVerified(verificationId, originUri, 1168 PackageManager.VERIFICATION_REJECT, 1169 state.getInstallArgs().getUser()); 1170 } 1171 1172 processPendingInstall(args, ret); 1173 mHandler.sendEmptyMessage(MCS_UNBIND); 1174 } 1175 break; 1176 } 1177 case PACKAGE_VERIFIED: { 1178 final int verificationId = msg.arg1; 1179 1180 final PackageVerificationState state = mPendingVerification.get(verificationId); 1181 if (state == null) { 1182 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1183 break; 1184 } 1185 1186 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1187 1188 state.setVerifierResponse(response.callerUid, response.code); 1189 1190 if (state.isVerificationComplete()) { 1191 mPendingVerification.remove(verificationId); 1192 1193 final InstallArgs args = state.getInstallArgs(); 1194 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1195 1196 int ret; 1197 if (state.isInstallAllowed()) { 1198 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1199 broadcastPackageVerified(verificationId, originUri, 1200 response.code, state.getInstallArgs().getUser()); 1201 try { 1202 ret = args.copyApk(mContainerService, true); 1203 } catch (RemoteException e) { 1204 Slog.e(TAG, "Could not contact the ContainerService"); 1205 } 1206 } else { 1207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1208 } 1209 1210 processPendingInstall(args, ret); 1211 1212 mHandler.sendEmptyMessage(MCS_UNBIND); 1213 } 1214 1215 break; 1216 } 1217 } 1218 } 1219 } 1220 1221 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1222 Bundle extras = null; 1223 switch (res.returnCode) { 1224 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1225 extras = new Bundle(); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1227 res.origPermission); 1228 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1229 res.origPackage); 1230 break; 1231 } 1232 } 1233 return extras; 1234 } 1235 1236 void scheduleWriteSettingsLocked() { 1237 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1238 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1239 } 1240 } 1241 1242 void scheduleWritePackageRestrictionsLocked(int userId) { 1243 if (!sUserManager.exists(userId)) return; 1244 mDirtyUsers.add(userId); 1245 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1246 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1247 } 1248 } 1249 1250 public static final PackageManagerService main(Context context, Installer installer, 1251 boolean factoryTest, boolean onlyCore) { 1252 PackageManagerService m = new PackageManagerService(context, installer, 1253 factoryTest, onlyCore); 1254 ServiceManager.addService("package", m); 1255 return m; 1256 } 1257 1258 static String[] splitString(String str, char sep) { 1259 int count = 1; 1260 int i = 0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 count++; 1263 i++; 1264 } 1265 1266 String[] res = new String[count]; 1267 i=0; 1268 count = 0; 1269 int lastI=0; 1270 while ((i=str.indexOf(sep, i)) >= 0) { 1271 res[count] = str.substring(lastI, i); 1272 count++; 1273 i++; 1274 lastI = i; 1275 } 1276 res[count] = str.substring(lastI, str.length()); 1277 return res; 1278 } 1279 1280 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1281 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1282 Context.DISPLAY_SERVICE); 1283 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1284 } 1285 1286 public PackageManagerService(Context context, Installer installer, 1287 boolean factoryTest, boolean onlyCore) { 1288 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1289 SystemClock.uptimeMillis()); 1290 1291 if (mSdkVersion <= 0) { 1292 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1293 } 1294 1295 mContext = context; 1296 mFactoryTest = factoryTest; 1297 mOnlyCore = onlyCore; 1298 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 // TODO: add a property to control this? 1315 long dexOptLRUThresholdInMinutes; 1316 if (mLazyDexOpt) { 1317 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1318 } else { 1319 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1320 } 1321 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1322 1323 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1324 if (separateProcesses != null && separateProcesses.length() > 0) { 1325 if ("*".equals(separateProcesses)) { 1326 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1327 mSeparateProcesses = null; 1328 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1329 } else { 1330 mDefParseFlags = 0; 1331 mSeparateProcesses = separateProcesses.split(","); 1332 Slog.w(TAG, "Running with debug.separate_processes: " 1333 + separateProcesses); 1334 } 1335 } else { 1336 mDefParseFlags = 0; 1337 mSeparateProcesses = null; 1338 } 1339 1340 mInstaller = installer; 1341 1342 getDefaultDisplayMetrics(context, mMetrics); 1343 1344 SystemConfig systemConfig = SystemConfig.getInstance(); 1345 mGlobalGids = systemConfig.getGlobalGids(); 1346 mSystemPermissions = systemConfig.getSystemPermissions(); 1347 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1348 1349 synchronized (mInstallLock) { 1350 // writer 1351 synchronized (mPackages) { 1352 mHandlerThread = new ServiceThread(TAG, 1353 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1354 mHandlerThread.start(); 1355 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1356 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1357 1358 File dataDir = Environment.getDataDirectory(); 1359 mAppDataDir = new File(dataDir, "data"); 1360 mAppInstallDir = new File(dataDir, "app"); 1361 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1362 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1363 mUserAppDataDir = new File(dataDir, "user"); 1364 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1365 1366 sUserManager = new UserManagerService(context, this, 1367 mInstallLock, mPackages); 1368 1369 // Propagate permission configuration in to package manager. 1370 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1371 = systemConfig.getPermissions(); 1372 for (int i=0; i<permConfig.size(); i++) { 1373 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1374 BasePermission bp = mSettings.mPermissions.get(perm.name); 1375 if (bp == null) { 1376 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1377 mSettings.mPermissions.put(perm.name, bp); 1378 } 1379 if (perm.gids != null) { 1380 bp.gids = appendInts(bp.gids, perm.gids); 1381 } 1382 } 1383 1384 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1385 for (int i=0; i<libConfig.size(); i++) { 1386 mSharedLibraries.put(libConfig.keyAt(i), 1387 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1388 } 1389 1390 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1391 1392 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1393 mSdkVersion, mOnlyCore); 1394 1395 String customResolverActivity = Resources.getSystem().getString( 1396 R.string.config_customResolverActivity); 1397 if (TextUtils.isEmpty(customResolverActivity)) { 1398 customResolverActivity = null; 1399 } else { 1400 mCustomResolverComponentName = ComponentName.unflattenFromString( 1401 customResolverActivity); 1402 } 1403 1404 long startTime = SystemClock.uptimeMillis(); 1405 1406 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1407 startTime); 1408 1409 // Set flag to monitor and not change apk file paths when 1410 // scanning install directories. 1411 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1412 1413 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1414 1415 /** 1416 * Add everything in the in the boot class path to the 1417 * list of process files because dexopt will have been run 1418 * if necessary during zygote startup. 1419 */ 1420 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1421 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1422 1423 if (bootClassPath != null) { 1424 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1425 for (String element : bootClassPathElements) { 1426 alreadyDexOpted.add(element); 1427 } 1428 } else { 1429 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1430 } 1431 1432 if (systemServerClassPath != null) { 1433 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1434 for (String element : systemServerClassPathElements) { 1435 alreadyDexOpted.add(element); 1436 } 1437 } else { 1438 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1439 } 1440 1441 final List<String> allInstructionSets = getAllInstructionSets(); 1442 final String[] dexCodeInstructionSets = 1443 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1444 1445 /** 1446 * Ensure all external libraries have had dexopt run on them. 1447 */ 1448 if (mSharedLibraries.size() > 0) { 1449 // NOTE: For now, we're compiling these system "shared libraries" 1450 // (and framework jars) into all available architectures. It's possible 1451 // to compile them only when we come across an app that uses them (there's 1452 // already logic for that in scanPackageLI) but that adds some complexity. 1453 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1454 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1455 final String lib = libEntry.path; 1456 if (lib == null) { 1457 continue; 1458 } 1459 1460 try { 1461 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1462 dexCodeInstructionSet, 1463 false); 1464 if (dexoptRequired != DexFile.UP_TO_DATE) { 1465 alreadyDexOpted.add(lib); 1466 1467 // The list of "shared libraries" we have at this point is 1468 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1469 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1470 } else { 1471 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1472 } 1473 } 1474 } catch (FileNotFoundException e) { 1475 Slog.w(TAG, "Library not found: " + lib); 1476 } catch (IOException e) { 1477 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1478 + e.getMessage()); 1479 } 1480 } 1481 } 1482 } 1483 1484 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1485 1486 // Gross hack for now: we know this file doesn't contain any 1487 // code, so don't dexopt it to avoid the resulting log spew. 1488 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1489 1490 // Gross hack for now: we know this file is only part of 1491 // the boot class path for art, so don't dexopt it to 1492 // avoid the resulting log spew. 1493 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1494 1495 /** 1496 * And there are a number of commands implemented in Java, which 1497 * we currently need to do the dexopt on so that they can be 1498 * run from a non-root shell. 1499 */ 1500 String[] frameworkFiles = frameworkDir.list(); 1501 if (frameworkFiles != null) { 1502 // TODO: We could compile these only for the most preferred ABI. We should 1503 // first double check that the dex files for these commands are not referenced 1504 // by other system apps. 1505 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1506 for (int i=0; i<frameworkFiles.length; i++) { 1507 File libPath = new File(frameworkDir, frameworkFiles[i]); 1508 String path = libPath.getPath(); 1509 // Skip the file if we already did it. 1510 if (alreadyDexOpted.contains(path)) { 1511 continue; 1512 } 1513 // Skip the file if it is not a type we want to dexopt. 1514 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1515 continue; 1516 } 1517 try { 1518 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1519 dexCodeInstructionSet, 1520 false); 1521 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1522 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1523 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1524 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1525 } 1526 } catch (FileNotFoundException e) { 1527 Slog.w(TAG, "Jar not found: " + path); 1528 } catch (IOException e) { 1529 Slog.w(TAG, "Exception reading jar: " + path, e); 1530 } 1531 } 1532 } 1533 } 1534 1535 // Collect vendor overlay packages. 1536 // (Do this before scanning any apps.) 1537 // For security and version matching reason, only consider 1538 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1539 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1540 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1541 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1542 1543 // Find base frameworks (resource packages without code). 1544 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR 1546 | PackageParser.PARSE_IS_PRIVILEGED, 1547 scanFlags | SCAN_NO_DEX, 0); 1548 1549 // Collected privileged system packages. 1550 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1551 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR 1553 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1554 1555 // Collect ordinary system packages. 1556 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1557 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1558 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1559 1560 // Collect all vendor packages. 1561 File vendorAppDir = new File("/vendor/app"); 1562 try { 1563 vendorAppDir = vendorAppDir.getCanonicalFile(); 1564 } catch (IOException e) { 1565 // failed to look up canonical path, continue with original one 1566 } 1567 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1568 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1569 1570 // Collect all OEM packages. 1571 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1572 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1573 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1574 1575 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1576 mInstaller.moveFiles(); 1577 1578 // Prune any system packages that no longer exist. 1579 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1580 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1581 if (!mOnlyCore) { 1582 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1583 while (psit.hasNext()) { 1584 PackageSetting ps = psit.next(); 1585 1586 /* 1587 * If this is not a system app, it can't be a 1588 * disable system app. 1589 */ 1590 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1591 continue; 1592 } 1593 1594 /* 1595 * If the package is scanned, it's not erased. 1596 */ 1597 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1598 if (scannedPkg != null) { 1599 /* 1600 * If the system app is both scanned and in the 1601 * disabled packages list, then it must have been 1602 * added via OTA. Remove it from the currently 1603 * scanned package so the previously user-installed 1604 * application can be scanned. 1605 */ 1606 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1608 + ps.name + "; removing system app. Last known codePath=" 1609 + ps.codePathString + ", installStatus=" + ps.installStatus 1610 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1611 + scannedPkg.mVersionCode); 1612 removePackageLI(ps, true); 1613 expectingBetter.put(ps.name, ps.codePath); 1614 } 1615 1616 continue; 1617 } 1618 1619 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1620 psit.remove(); 1621 logCriticalInfo(Log.WARN, "System package " + ps.name 1622 + " no longer exists; wiping its data"); 1623 removeDataDirsLI(ps.name); 1624 } else { 1625 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1626 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1627 possiblyDeletedUpdatedSystemApps.add(ps.name); 1628 } 1629 } 1630 } 1631 } 1632 1633 //look for any incomplete package installations 1634 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1635 //clean up list 1636 for(int i = 0; i < deletePkgsList.size(); i++) { 1637 //clean up here 1638 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1639 } 1640 //delete tmp files 1641 deleteTempPackageFiles(); 1642 1643 // Remove any shared userIDs that have no associated packages 1644 mSettings.pruneSharedUsersLPw(); 1645 1646 if (!mOnlyCore) { 1647 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1648 SystemClock.uptimeMillis()); 1649 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1650 1651 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1652 scanFlags, 0); 1653 1654 /** 1655 * Remove disable package settings for any updated system 1656 * apps that were removed via an OTA. If they're not a 1657 * previously-updated app, remove them completely. 1658 * Otherwise, just revoke their system-level permissions. 1659 */ 1660 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1661 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1662 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1663 1664 String msg; 1665 if (deletedPkg == null) { 1666 msg = "Updated system package " + deletedAppName 1667 + " no longer exists; wiping its data"; 1668 removeDataDirsLI(deletedAppName); 1669 } else { 1670 msg = "Updated system app + " + deletedAppName 1671 + " no longer present; removing system privileges for " 1672 + deletedAppName; 1673 1674 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1675 1676 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1677 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1678 } 1679 logCriticalInfo(Log.WARN, msg); 1680 } 1681 1682 /** 1683 * Make sure all system apps that we expected to appear on 1684 * the userdata partition actually showed up. If they never 1685 * appeared, crawl back and revive the system version. 1686 */ 1687 for (int i = 0; i < expectingBetter.size(); i++) { 1688 final String packageName = expectingBetter.keyAt(i); 1689 if (!mPackages.containsKey(packageName)) { 1690 final File scanFile = expectingBetter.valueAt(i); 1691 1692 logCriticalInfo(Log.WARN, "Expected better " + packageName 1693 + " but never showed up; reverting to system"); 1694 1695 final int reparseFlags; 1696 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1697 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1698 | PackageParser.PARSE_IS_SYSTEM_DIR 1699 | PackageParser.PARSE_IS_PRIVILEGED; 1700 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1701 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1702 | PackageParser.PARSE_IS_SYSTEM_DIR; 1703 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1704 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1705 | PackageParser.PARSE_IS_SYSTEM_DIR; 1706 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1707 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1708 | PackageParser.PARSE_IS_SYSTEM_DIR; 1709 } else { 1710 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1711 continue; 1712 } 1713 1714 mSettings.enableSystemPackageLPw(packageName); 1715 1716 try { 1717 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1718 } catch (PackageManagerException e) { 1719 Slog.e(TAG, "Failed to parse original system package: " 1720 + e.getMessage()); 1721 } 1722 } 1723 } 1724 } 1725 1726 // Now that we know all of the shared libraries, update all clients to have 1727 // the correct library paths. 1728 updateAllSharedLibrariesLPw(); 1729 1730 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1731 // NOTE: We ignore potential failures here during a system scan (like 1732 // the rest of the commands above) because there's precious little we 1733 // can do about it. A settings error is reported, though. 1734 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1735 false /* force dexopt */, false /* defer dexopt */); 1736 } 1737 1738 // Now that we know all the packages we are keeping, 1739 // read and update their last usage times. 1740 mPackageUsage.readLP(); 1741 1742 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1743 SystemClock.uptimeMillis()); 1744 Slog.i(TAG, "Time to scan packages: " 1745 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1746 + " seconds"); 1747 1748 // If the platform SDK has changed since the last time we booted, 1749 // we need to re-grant app permission to catch any new ones that 1750 // appear. This is really a hack, and means that apps can in some 1751 // cases get permissions that the user didn't initially explicitly 1752 // allow... it would be nice to have some better way to handle 1753 // this situation. 1754 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1755 != mSdkVersion; 1756 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1757 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1758 + "; regranting permissions for internal storage"); 1759 mSettings.mInternalSdkPlatform = mSdkVersion; 1760 1761 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1762 | (regrantPermissions 1763 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1764 : 0)); 1765 1766 // If this is the first boot, and it is a normal boot, then 1767 // we need to initialize the default preferred apps. 1768 if (!mRestoredSettings && !onlyCore) { 1769 mSettings.readDefaultPreferredAppsLPw(this, 0); 1770 } 1771 1772 // If this is first boot after an OTA, and a normal boot, then 1773 // we need to clear code cache directories. 1774 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1775 if (mIsUpgrade && !onlyCore) { 1776 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1777 for (String pkgName : mSettings.mPackages.keySet()) { 1778 deleteCodeCacheDirsLI(pkgName); 1779 } 1780 mSettings.mFingerprint = Build.FINGERPRINT; 1781 } 1782 1783 // All the changes are done during package scanning. 1784 mSettings.updateInternalDatabaseVersion(); 1785 1786 // can downgrade to reader 1787 mSettings.writeLPr(); 1788 1789 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1790 SystemClock.uptimeMillis()); 1791 1792 1793 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1794 } // synchronized (mPackages) 1795 } // synchronized (mInstallLock) 1796 1797 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1798 1799 // Now after opening every single application zip, make sure they 1800 // are all flushed. Not really needed, but keeps things nice and 1801 // tidy. 1802 Runtime.getRuntime().gc(); 1803 } 1804 1805 @Override 1806 public boolean isFirstBoot() { 1807 return !mRestoredSettings; 1808 } 1809 1810 @Override 1811 public boolean isOnlyCoreApps() { 1812 return mOnlyCore; 1813 } 1814 1815 @Override 1816 public boolean isUpgrade() { 1817 return mIsUpgrade; 1818 } 1819 1820 private String getRequiredVerifierLPr() { 1821 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1822 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1823 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1824 1825 String requiredVerifier = null; 1826 1827 final int N = receivers.size(); 1828 for (int i = 0; i < N; i++) { 1829 final ResolveInfo info = receivers.get(i); 1830 1831 if (info.activityInfo == null) { 1832 continue; 1833 } 1834 1835 final String packageName = info.activityInfo.packageName; 1836 1837 final PackageSetting ps = mSettings.mPackages.get(packageName); 1838 if (ps == null) { 1839 continue; 1840 } 1841 1842 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1843 if (!gp.grantedPermissions 1844 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1845 continue; 1846 } 1847 1848 if (requiredVerifier != null) { 1849 throw new RuntimeException("There can be only one required verifier"); 1850 } 1851 1852 requiredVerifier = packageName; 1853 } 1854 1855 return requiredVerifier; 1856 } 1857 1858 @Override 1859 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1860 throws RemoteException { 1861 try { 1862 return super.onTransact(code, data, reply, flags); 1863 } catch (RuntimeException e) { 1864 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1865 Slog.wtf(TAG, "Package Manager Crash", e); 1866 } 1867 throw e; 1868 } 1869 } 1870 1871 void cleanupInstallFailedPackage(PackageSetting ps) { 1872 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1873 1874 removeDataDirsLI(ps.name); 1875 if (ps.codePath != null) { 1876 if (ps.codePath.isDirectory()) { 1877 FileUtils.deleteContents(ps.codePath); 1878 } 1879 ps.codePath.delete(); 1880 } 1881 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1882 if (ps.resourcePath.isDirectory()) { 1883 FileUtils.deleteContents(ps.resourcePath); 1884 } 1885 ps.resourcePath.delete(); 1886 } 1887 mSettings.removePackageLPw(ps.name); 1888 } 1889 1890 static int[] appendInts(int[] cur, int[] add) { 1891 if (add == null) return cur; 1892 if (cur == null) return add; 1893 final int N = add.length; 1894 for (int i=0; i<N; i++) { 1895 cur = appendInt(cur, add[i]); 1896 } 1897 return cur; 1898 } 1899 1900 static int[] removeInts(int[] cur, int[] rem) { 1901 if (rem == null) return cur; 1902 if (cur == null) return cur; 1903 final int N = rem.length; 1904 for (int i=0; i<N; i++) { 1905 cur = removeInt(cur, rem[i]); 1906 } 1907 return cur; 1908 } 1909 1910 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1911 if (!sUserManager.exists(userId)) return null; 1912 final PackageSetting ps = (PackageSetting) p.mExtras; 1913 if (ps == null) { 1914 return null; 1915 } 1916 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1917 final PackageUserState state = ps.readUserState(userId); 1918 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1919 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1920 state, userId); 1921 } 1922 1923 @Override 1924 public boolean isPackageAvailable(String packageName, int userId) { 1925 if (!sUserManager.exists(userId)) return false; 1926 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1927 synchronized (mPackages) { 1928 PackageParser.Package p = mPackages.get(packageName); 1929 if (p != null) { 1930 final PackageSetting ps = (PackageSetting) p.mExtras; 1931 if (ps != null) { 1932 final PackageUserState state = ps.readUserState(userId); 1933 if (state != null) { 1934 return PackageParser.isAvailable(state); 1935 } 1936 } 1937 } 1938 } 1939 return false; 1940 } 1941 1942 @Override 1943 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1944 if (!sUserManager.exists(userId)) return null; 1945 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1946 // reader 1947 synchronized (mPackages) { 1948 PackageParser.Package p = mPackages.get(packageName); 1949 if (DEBUG_PACKAGE_INFO) 1950 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1951 if (p != null) { 1952 return generatePackageInfo(p, flags, userId); 1953 } 1954 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1955 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1956 } 1957 } 1958 return null; 1959 } 1960 1961 @Override 1962 public String[] currentToCanonicalPackageNames(String[] names) { 1963 String[] out = new String[names.length]; 1964 // reader 1965 synchronized (mPackages) { 1966 for (int i=names.length-1; i>=0; i--) { 1967 PackageSetting ps = mSettings.mPackages.get(names[i]); 1968 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1969 } 1970 } 1971 return out; 1972 } 1973 1974 @Override 1975 public String[] canonicalToCurrentPackageNames(String[] names) { 1976 String[] out = new String[names.length]; 1977 // reader 1978 synchronized (mPackages) { 1979 for (int i=names.length-1; i>=0; i--) { 1980 String cur = mSettings.mRenamedPackages.get(names[i]); 1981 out[i] = cur != null ? cur : names[i]; 1982 } 1983 } 1984 return out; 1985 } 1986 1987 @Override 1988 public int getPackageUid(String packageName, int userId) { 1989 if (!sUserManager.exists(userId)) return -1; 1990 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1991 // reader 1992 synchronized (mPackages) { 1993 PackageParser.Package p = mPackages.get(packageName); 1994 if(p != null) { 1995 return UserHandle.getUid(userId, p.applicationInfo.uid); 1996 } 1997 PackageSetting ps = mSettings.mPackages.get(packageName); 1998 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1999 return -1; 2000 } 2001 p = ps.pkg; 2002 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2003 } 2004 } 2005 2006 @Override 2007 public int[] getPackageGids(String packageName) { 2008 // reader 2009 synchronized (mPackages) { 2010 PackageParser.Package p = mPackages.get(packageName); 2011 if (DEBUG_PACKAGE_INFO) 2012 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2013 if (p != null) { 2014 final PackageSetting ps = (PackageSetting)p.mExtras; 2015 return ps.getGids(); 2016 } 2017 } 2018 // stupid thing to indicate an error. 2019 return new int[0]; 2020 } 2021 2022 static final PermissionInfo generatePermissionInfo( 2023 BasePermission bp, int flags) { 2024 if (bp.perm != null) { 2025 return PackageParser.generatePermissionInfo(bp.perm, flags); 2026 } 2027 PermissionInfo pi = new PermissionInfo(); 2028 pi.name = bp.name; 2029 pi.packageName = bp.sourcePackage; 2030 pi.nonLocalizedLabel = bp.name; 2031 pi.protectionLevel = bp.protectionLevel; 2032 return pi; 2033 } 2034 2035 @Override 2036 public PermissionInfo getPermissionInfo(String name, int flags) { 2037 // reader 2038 synchronized (mPackages) { 2039 final BasePermission p = mSettings.mPermissions.get(name); 2040 if (p != null) { 2041 return generatePermissionInfo(p, flags); 2042 } 2043 return null; 2044 } 2045 } 2046 2047 @Override 2048 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2049 // reader 2050 synchronized (mPackages) { 2051 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2052 for (BasePermission p : mSettings.mPermissions.values()) { 2053 if (group == null) { 2054 if (p.perm == null || p.perm.info.group == null) { 2055 out.add(generatePermissionInfo(p, flags)); 2056 } 2057 } else { 2058 if (p.perm != null && group.equals(p.perm.info.group)) { 2059 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2060 } 2061 } 2062 } 2063 2064 if (out.size() > 0) { 2065 return out; 2066 } 2067 return mPermissionGroups.containsKey(group) ? out : null; 2068 } 2069 } 2070 2071 @Override 2072 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2073 // reader 2074 synchronized (mPackages) { 2075 return PackageParser.generatePermissionGroupInfo( 2076 mPermissionGroups.get(name), flags); 2077 } 2078 } 2079 2080 @Override 2081 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2082 // reader 2083 synchronized (mPackages) { 2084 final int N = mPermissionGroups.size(); 2085 ArrayList<PermissionGroupInfo> out 2086 = new ArrayList<PermissionGroupInfo>(N); 2087 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2088 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2089 } 2090 return out; 2091 } 2092 } 2093 2094 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2095 int userId) { 2096 if (!sUserManager.exists(userId)) return null; 2097 PackageSetting ps = mSettings.mPackages.get(packageName); 2098 if (ps != null) { 2099 if (ps.pkg == null) { 2100 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2101 flags, userId); 2102 if (pInfo != null) { 2103 return pInfo.applicationInfo; 2104 } 2105 return null; 2106 } 2107 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2108 ps.readUserState(userId), userId); 2109 } 2110 return null; 2111 } 2112 2113 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2114 int userId) { 2115 if (!sUserManager.exists(userId)) return null; 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if (ps != null) { 2118 PackageParser.Package pkg = ps.pkg; 2119 if (pkg == null) { 2120 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2121 return null; 2122 } 2123 // Only data remains, so we aren't worried about code paths 2124 pkg = new PackageParser.Package(packageName); 2125 pkg.applicationInfo.packageName = packageName; 2126 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2127 pkg.applicationInfo.dataDir = 2128 getDataPathForPackage(packageName, 0).getPath(); 2129 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2130 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2131 } 2132 return generatePackageInfo(pkg, flags, userId); 2133 } 2134 return null; 2135 } 2136 2137 @Override 2138 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2139 if (!sUserManager.exists(userId)) return null; 2140 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2141 // writer 2142 synchronized (mPackages) { 2143 PackageParser.Package p = mPackages.get(packageName); 2144 if (DEBUG_PACKAGE_INFO) Log.v( 2145 TAG, "getApplicationInfo " + packageName 2146 + ": " + p); 2147 if (p != null) { 2148 PackageSetting ps = mSettings.mPackages.get(packageName); 2149 if (ps == null) return null; 2150 // Note: isEnabledLP() does not apply here - always return info 2151 return PackageParser.generateApplicationInfo( 2152 p, flags, ps.readUserState(userId), userId); 2153 } 2154 if ("android".equals(packageName)||"system".equals(packageName)) { 2155 return mAndroidApplication; 2156 } 2157 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2158 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2159 } 2160 } 2161 return null; 2162 } 2163 2164 2165 @Override 2166 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2167 mContext.enforceCallingOrSelfPermission( 2168 android.Manifest.permission.CLEAR_APP_CACHE, null); 2169 // Queue up an async operation since clearing cache may take a little while. 2170 mHandler.post(new Runnable() { 2171 public void run() { 2172 mHandler.removeCallbacks(this); 2173 int retCode = -1; 2174 synchronized (mInstallLock) { 2175 retCode = mInstaller.freeCache(freeStorageSize); 2176 if (retCode < 0) { 2177 Slog.w(TAG, "Couldn't clear application caches"); 2178 } 2179 } 2180 if (observer != null) { 2181 try { 2182 observer.onRemoveCompleted(null, (retCode >= 0)); 2183 } catch (RemoteException e) { 2184 Slog.w(TAG, "RemoveException when invoking call back"); 2185 } 2186 } 2187 } 2188 }); 2189 } 2190 2191 @Override 2192 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2193 mContext.enforceCallingOrSelfPermission( 2194 android.Manifest.permission.CLEAR_APP_CACHE, null); 2195 // Queue up an async operation since clearing cache may take a little while. 2196 mHandler.post(new Runnable() { 2197 public void run() { 2198 mHandler.removeCallbacks(this); 2199 int retCode = -1; 2200 synchronized (mInstallLock) { 2201 retCode = mInstaller.freeCache(freeStorageSize); 2202 if (retCode < 0) { 2203 Slog.w(TAG, "Couldn't clear application caches"); 2204 } 2205 } 2206 if(pi != null) { 2207 try { 2208 // Callback via pending intent 2209 int code = (retCode >= 0) ? 1 : 0; 2210 pi.sendIntent(null, code, null, 2211 null, null); 2212 } catch (SendIntentException e1) { 2213 Slog.i(TAG, "Failed to send pending intent"); 2214 } 2215 } 2216 } 2217 }); 2218 } 2219 2220 void freeStorage(long freeStorageSize) throws IOException { 2221 synchronized (mInstallLock) { 2222 if (mInstaller.freeCache(freeStorageSize) < 0) { 2223 throw new IOException("Failed to free enough space"); 2224 } 2225 } 2226 } 2227 2228 @Override 2229 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2230 if (!sUserManager.exists(userId)) return null; 2231 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2232 synchronized (mPackages) { 2233 PackageParser.Activity a = mActivities.mActivities.get(component); 2234 2235 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2236 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2237 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2238 if (ps == null) return null; 2239 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2240 userId); 2241 } 2242 if (mResolveComponentName.equals(component)) { 2243 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2244 new PackageUserState(), userId); 2245 } 2246 } 2247 return null; 2248 } 2249 2250 @Override 2251 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2252 String resolvedType) { 2253 synchronized (mPackages) { 2254 PackageParser.Activity a = mActivities.mActivities.get(component); 2255 if (a == null) { 2256 return false; 2257 } 2258 for (int i=0; i<a.intents.size(); i++) { 2259 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2260 intent.getData(), intent.getCategories(), TAG) >= 0) { 2261 return true; 2262 } 2263 } 2264 return false; 2265 } 2266 } 2267 2268 @Override 2269 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2270 if (!sUserManager.exists(userId)) return null; 2271 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2272 synchronized (mPackages) { 2273 PackageParser.Activity a = mReceivers.mActivities.get(component); 2274 if (DEBUG_PACKAGE_INFO) Log.v( 2275 TAG, "getReceiverInfo " + component + ": " + a); 2276 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2277 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2278 if (ps == null) return null; 2279 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2280 userId); 2281 } 2282 } 2283 return null; 2284 } 2285 2286 @Override 2287 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2288 if (!sUserManager.exists(userId)) return null; 2289 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2290 synchronized (mPackages) { 2291 PackageParser.Service s = mServices.mServices.get(component); 2292 if (DEBUG_PACKAGE_INFO) Log.v( 2293 TAG, "getServiceInfo " + component + ": " + s); 2294 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2296 if (ps == null) return null; 2297 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2298 userId); 2299 } 2300 } 2301 return null; 2302 } 2303 2304 @Override 2305 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2306 if (!sUserManager.exists(userId)) return null; 2307 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2308 synchronized (mPackages) { 2309 PackageParser.Provider p = mProviders.mProviders.get(component); 2310 if (DEBUG_PACKAGE_INFO) Log.v( 2311 TAG, "getProviderInfo " + component + ": " + p); 2312 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2313 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2314 if (ps == null) return null; 2315 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2316 userId); 2317 } 2318 } 2319 return null; 2320 } 2321 2322 @Override 2323 public String[] getSystemSharedLibraryNames() { 2324 Set<String> libSet; 2325 synchronized (mPackages) { 2326 libSet = mSharedLibraries.keySet(); 2327 int size = libSet.size(); 2328 if (size > 0) { 2329 String[] libs = new String[size]; 2330 libSet.toArray(libs); 2331 return libs; 2332 } 2333 } 2334 return null; 2335 } 2336 2337 @Override 2338 public FeatureInfo[] getSystemAvailableFeatures() { 2339 Collection<FeatureInfo> featSet; 2340 synchronized (mPackages) { 2341 featSet = mAvailableFeatures.values(); 2342 int size = featSet.size(); 2343 if (size > 0) { 2344 FeatureInfo[] features = new FeatureInfo[size+1]; 2345 featSet.toArray(features); 2346 FeatureInfo fi = new FeatureInfo(); 2347 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2348 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2349 features[size] = fi; 2350 return features; 2351 } 2352 } 2353 return null; 2354 } 2355 2356 @Override 2357 public boolean hasSystemFeature(String name) { 2358 synchronized (mPackages) { 2359 return mAvailableFeatures.containsKey(name); 2360 } 2361 } 2362 2363 private void checkValidCaller(int uid, int userId) { 2364 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2365 return; 2366 2367 throw new SecurityException("Caller uid=" + uid 2368 + " is not privileged to communicate with user=" + userId); 2369 } 2370 2371 @Override 2372 public int checkPermission(String permName, String pkgName) { 2373 synchronized (mPackages) { 2374 PackageParser.Package p = mPackages.get(pkgName); 2375 if (p != null && p.mExtras != null) { 2376 PackageSetting ps = (PackageSetting)p.mExtras; 2377 if (ps.sharedUser != null) { 2378 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2379 return PackageManager.PERMISSION_GRANTED; 2380 } 2381 } else if (ps.grantedPermissions.contains(permName)) { 2382 return PackageManager.PERMISSION_GRANTED; 2383 } 2384 } 2385 } 2386 return PackageManager.PERMISSION_DENIED; 2387 } 2388 2389 @Override 2390 public int checkUidPermission(String permName, int uid) { 2391 synchronized (mPackages) { 2392 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2393 if (obj != null) { 2394 GrantedPermissions gp = (GrantedPermissions)obj; 2395 if (gp.grantedPermissions.contains(permName)) { 2396 return PackageManager.PERMISSION_GRANTED; 2397 } 2398 } else { 2399 ArraySet<String> perms = mSystemPermissions.get(uid); 2400 if (perms != null && perms.contains(permName)) { 2401 return PackageManager.PERMISSION_GRANTED; 2402 } 2403 } 2404 } 2405 return PackageManager.PERMISSION_DENIED; 2406 } 2407 2408 /** 2409 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2410 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2411 * @param checkShell TODO(yamasani): 2412 * @param message the message to log on security exception 2413 */ 2414 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2415 boolean checkShell, String message) { 2416 if (userId < 0) { 2417 throw new IllegalArgumentException("Invalid userId " + userId); 2418 } 2419 if (checkShell) { 2420 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2421 } 2422 if (userId == UserHandle.getUserId(callingUid)) return; 2423 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2424 if (requireFullPermission) { 2425 mContext.enforceCallingOrSelfPermission( 2426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2427 } else { 2428 try { 2429 mContext.enforceCallingOrSelfPermission( 2430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2431 } catch (SecurityException se) { 2432 mContext.enforceCallingOrSelfPermission( 2433 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2434 } 2435 } 2436 } 2437 } 2438 2439 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2440 if (callingUid == Process.SHELL_UID) { 2441 if (userHandle >= 0 2442 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2443 throw new SecurityException("Shell does not have permission to access user " 2444 + userHandle); 2445 } else if (userHandle < 0) { 2446 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2447 + Debug.getCallers(3)); 2448 } 2449 } 2450 } 2451 2452 private BasePermission findPermissionTreeLP(String permName) { 2453 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2454 if (permName.startsWith(bp.name) && 2455 permName.length() > bp.name.length() && 2456 permName.charAt(bp.name.length()) == '.') { 2457 return bp; 2458 } 2459 } 2460 return null; 2461 } 2462 2463 private BasePermission checkPermissionTreeLP(String permName) { 2464 if (permName != null) { 2465 BasePermission bp = findPermissionTreeLP(permName); 2466 if (bp != null) { 2467 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2468 return bp; 2469 } 2470 throw new SecurityException("Calling uid " 2471 + Binder.getCallingUid() 2472 + " is not allowed to add to permission tree " 2473 + bp.name + " owned by uid " + bp.uid); 2474 } 2475 } 2476 throw new SecurityException("No permission tree found for " + permName); 2477 } 2478 2479 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2480 if (s1 == null) { 2481 return s2 == null; 2482 } 2483 if (s2 == null) { 2484 return false; 2485 } 2486 if (s1.getClass() != s2.getClass()) { 2487 return false; 2488 } 2489 return s1.equals(s2); 2490 } 2491 2492 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2493 if (pi1.icon != pi2.icon) return false; 2494 if (pi1.logo != pi2.logo) return false; 2495 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2496 if (!compareStrings(pi1.name, pi2.name)) return false; 2497 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2498 // We'll take care of setting this one. 2499 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2500 // These are not currently stored in settings. 2501 //if (!compareStrings(pi1.group, pi2.group)) return false; 2502 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2503 //if (pi1.labelRes != pi2.labelRes) return false; 2504 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2505 return true; 2506 } 2507 2508 int permissionInfoFootprint(PermissionInfo info) { 2509 int size = info.name.length(); 2510 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2511 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2512 return size; 2513 } 2514 2515 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2516 int size = 0; 2517 for (BasePermission perm : mSettings.mPermissions.values()) { 2518 if (perm.uid == tree.uid) { 2519 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2520 } 2521 } 2522 return size; 2523 } 2524 2525 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2526 // We calculate the max size of permissions defined by this uid and throw 2527 // if that plus the size of 'info' would exceed our stated maximum. 2528 if (tree.uid != Process.SYSTEM_UID) { 2529 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2530 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2531 throw new SecurityException("Permission tree size cap exceeded"); 2532 } 2533 } 2534 } 2535 2536 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2537 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2538 throw new SecurityException("Label must be specified in permission"); 2539 } 2540 BasePermission tree = checkPermissionTreeLP(info.name); 2541 BasePermission bp = mSettings.mPermissions.get(info.name); 2542 boolean added = bp == null; 2543 boolean changed = true; 2544 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2545 if (added) { 2546 enforcePermissionCapLocked(info, tree); 2547 bp = new BasePermission(info.name, tree.sourcePackage, 2548 BasePermission.TYPE_DYNAMIC); 2549 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2550 throw new SecurityException( 2551 "Not allowed to modify non-dynamic permission " 2552 + info.name); 2553 } else { 2554 if (bp.protectionLevel == fixedLevel 2555 && bp.perm.owner.equals(tree.perm.owner) 2556 && bp.uid == tree.uid 2557 && comparePermissionInfos(bp.perm.info, info)) { 2558 changed = false; 2559 } 2560 } 2561 bp.protectionLevel = fixedLevel; 2562 info = new PermissionInfo(info); 2563 info.protectionLevel = fixedLevel; 2564 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2565 bp.perm.info.packageName = tree.perm.info.packageName; 2566 bp.uid = tree.uid; 2567 if (added) { 2568 mSettings.mPermissions.put(info.name, bp); 2569 } 2570 if (changed) { 2571 if (!async) { 2572 mSettings.writeLPr(); 2573 } else { 2574 scheduleWriteSettingsLocked(); 2575 } 2576 } 2577 return added; 2578 } 2579 2580 @Override 2581 public boolean addPermission(PermissionInfo info) { 2582 synchronized (mPackages) { 2583 return addPermissionLocked(info, false); 2584 } 2585 } 2586 2587 @Override 2588 public boolean addPermissionAsync(PermissionInfo info) { 2589 synchronized (mPackages) { 2590 return addPermissionLocked(info, true); 2591 } 2592 } 2593 2594 @Override 2595 public void removePermission(String name) { 2596 synchronized (mPackages) { 2597 checkPermissionTreeLP(name); 2598 BasePermission bp = mSettings.mPermissions.get(name); 2599 if (bp != null) { 2600 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2601 throw new SecurityException( 2602 "Not allowed to modify non-dynamic permission " 2603 + name); 2604 } 2605 mSettings.mPermissions.remove(name); 2606 mSettings.writeLPr(); 2607 } 2608 } 2609 } 2610 2611 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2612 int index = pkg.requestedPermissions.indexOf(bp.name); 2613 if (index == -1) { 2614 throw new SecurityException("Package " + pkg.packageName 2615 + " has not requested permission " + bp.name); 2616 } 2617 boolean isNormal = 2618 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2619 == PermissionInfo.PROTECTION_NORMAL); 2620 boolean isDangerous = 2621 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2622 == PermissionInfo.PROTECTION_DANGEROUS); 2623 boolean isDevelopment = 2624 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2625 2626 if (!isNormal && !isDangerous && !isDevelopment) { 2627 throw new SecurityException("Permission " + bp.name 2628 + " is not a changeable permission type"); 2629 } 2630 2631 if (isNormal || isDangerous) { 2632 if (pkg.requestedPermissionsRequired.get(index)) { 2633 throw new SecurityException("Can't change " + bp.name 2634 + ". It is required by the application"); 2635 } 2636 } 2637 } 2638 2639 @Override 2640 public void grantPermission(String packageName, String permissionName) { 2641 mContext.enforceCallingOrSelfPermission( 2642 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2643 synchronized (mPackages) { 2644 final PackageParser.Package pkg = mPackages.get(packageName); 2645 if (pkg == null) { 2646 throw new IllegalArgumentException("Unknown package: " + packageName); 2647 } 2648 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2649 if (bp == null) { 2650 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2651 } 2652 2653 checkGrantRevokePermissions(pkg, bp); 2654 2655 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2656 if (ps == null) { 2657 return; 2658 } 2659 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2660 if (gp.grantedPermissions.add(permissionName)) { 2661 if (ps.haveGids) { 2662 gp.gids = appendInts(gp.gids, bp.gids); 2663 } 2664 mSettings.writeLPr(); 2665 } 2666 } 2667 } 2668 2669 @Override 2670 public void revokePermission(String packageName, String permissionName) { 2671 int changedAppId = -1; 2672 2673 synchronized (mPackages) { 2674 final PackageParser.Package pkg = mPackages.get(packageName); 2675 if (pkg == null) { 2676 throw new IllegalArgumentException("Unknown package: " + packageName); 2677 } 2678 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2679 mContext.enforceCallingOrSelfPermission( 2680 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2681 } 2682 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2683 if (bp == null) { 2684 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2685 } 2686 2687 checkGrantRevokePermissions(pkg, bp); 2688 2689 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2690 if (ps == null) { 2691 return; 2692 } 2693 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2694 if (gp.grantedPermissions.remove(permissionName)) { 2695 gp.grantedPermissions.remove(permissionName); 2696 if (ps.haveGids) { 2697 gp.gids = removeInts(gp.gids, bp.gids); 2698 } 2699 mSettings.writeLPr(); 2700 changedAppId = ps.appId; 2701 } 2702 } 2703 2704 if (changedAppId >= 0) { 2705 // We changed the perm on someone, kill its processes. 2706 IActivityManager am = ActivityManagerNative.getDefault(); 2707 if (am != null) { 2708 final int callingUserId = UserHandle.getCallingUserId(); 2709 final long ident = Binder.clearCallingIdentity(); 2710 try { 2711 //XXX we should only revoke for the calling user's app permissions, 2712 // but for now we impact all users. 2713 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2714 // "revoke " + permissionName); 2715 int[] users = sUserManager.getUserIds(); 2716 for (int user : users) { 2717 am.killUid(UserHandle.getUid(user, changedAppId), 2718 "revoke " + permissionName); 2719 } 2720 } catch (RemoteException e) { 2721 } finally { 2722 Binder.restoreCallingIdentity(ident); 2723 } 2724 } 2725 } 2726 } 2727 2728 @Override 2729 public boolean isProtectedBroadcast(String actionName) { 2730 synchronized (mPackages) { 2731 return mProtectedBroadcasts.contains(actionName); 2732 } 2733 } 2734 2735 @Override 2736 public int checkSignatures(String pkg1, String pkg2) { 2737 synchronized (mPackages) { 2738 final PackageParser.Package p1 = mPackages.get(pkg1); 2739 final PackageParser.Package p2 = mPackages.get(pkg2); 2740 if (p1 == null || p1.mExtras == null 2741 || p2 == null || p2.mExtras == null) { 2742 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2743 } 2744 return compareSignatures(p1.mSignatures, p2.mSignatures); 2745 } 2746 } 2747 2748 @Override 2749 public int checkUidSignatures(int uid1, int uid2) { 2750 // Map to base uids. 2751 uid1 = UserHandle.getAppId(uid1); 2752 uid2 = UserHandle.getAppId(uid2); 2753 // reader 2754 synchronized (mPackages) { 2755 Signature[] s1; 2756 Signature[] s2; 2757 Object obj = mSettings.getUserIdLPr(uid1); 2758 if (obj != null) { 2759 if (obj instanceof SharedUserSetting) { 2760 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2761 } else if (obj instanceof PackageSetting) { 2762 s1 = ((PackageSetting)obj).signatures.mSignatures; 2763 } else { 2764 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2765 } 2766 } else { 2767 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2768 } 2769 obj = mSettings.getUserIdLPr(uid2); 2770 if (obj != null) { 2771 if (obj instanceof SharedUserSetting) { 2772 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2773 } else if (obj instanceof PackageSetting) { 2774 s2 = ((PackageSetting)obj).signatures.mSignatures; 2775 } else { 2776 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2777 } 2778 } else { 2779 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2780 } 2781 return compareSignatures(s1, s2); 2782 } 2783 } 2784 2785 /** 2786 * Compares two sets of signatures. Returns: 2787 * <br /> 2788 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2789 * <br /> 2790 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2791 * <br /> 2792 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2793 * <br /> 2794 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2795 * <br /> 2796 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2797 */ 2798 static int compareSignatures(Signature[] s1, Signature[] s2) { 2799 if (s1 == null) { 2800 return s2 == null 2801 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2802 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2803 } 2804 2805 if (s2 == null) { 2806 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2807 } 2808 2809 if (s1.length != s2.length) { 2810 return PackageManager.SIGNATURE_NO_MATCH; 2811 } 2812 2813 // Since both signature sets are of size 1, we can compare without HashSets. 2814 if (s1.length == 1) { 2815 return s1[0].equals(s2[0]) ? 2816 PackageManager.SIGNATURE_MATCH : 2817 PackageManager.SIGNATURE_NO_MATCH; 2818 } 2819 2820 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2821 for (Signature sig : s1) { 2822 set1.add(sig); 2823 } 2824 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2825 for (Signature sig : s2) { 2826 set2.add(sig); 2827 } 2828 // Make sure s2 contains all signatures in s1. 2829 if (set1.equals(set2)) { 2830 return PackageManager.SIGNATURE_MATCH; 2831 } 2832 return PackageManager.SIGNATURE_NO_MATCH; 2833 } 2834 2835 /** 2836 * If the database version for this type of package (internal storage or 2837 * external storage) is less than the version where package signatures 2838 * were updated, return true. 2839 */ 2840 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2841 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2842 DatabaseVersion.SIGNATURE_END_ENTITY)) 2843 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2844 DatabaseVersion.SIGNATURE_END_ENTITY)); 2845 } 2846 2847 /** 2848 * Used for backward compatibility to make sure any packages with 2849 * certificate chains get upgraded to the new style. {@code existingSigs} 2850 * will be in the old format (since they were stored on disk from before the 2851 * system upgrade) and {@code scannedSigs} will be in the newer format. 2852 */ 2853 private int compareSignaturesCompat(PackageSignatures existingSigs, 2854 PackageParser.Package scannedPkg) { 2855 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2856 return PackageManager.SIGNATURE_NO_MATCH; 2857 } 2858 2859 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2860 for (Signature sig : existingSigs.mSignatures) { 2861 existingSet.add(sig); 2862 } 2863 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2864 for (Signature sig : scannedPkg.mSignatures) { 2865 try { 2866 Signature[] chainSignatures = sig.getChainSignatures(); 2867 for (Signature chainSig : chainSignatures) { 2868 scannedCompatSet.add(chainSig); 2869 } 2870 } catch (CertificateEncodingException e) { 2871 scannedCompatSet.add(sig); 2872 } 2873 } 2874 /* 2875 * Make sure the expanded scanned set contains all signatures in the 2876 * existing one. 2877 */ 2878 if (scannedCompatSet.equals(existingSet)) { 2879 // Migrate the old signatures to the new scheme. 2880 existingSigs.assignSignatures(scannedPkg.mSignatures); 2881 // The new KeySets will be re-added later in the scanning process. 2882 synchronized (mPackages) { 2883 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2884 } 2885 return PackageManager.SIGNATURE_MATCH; 2886 } 2887 return PackageManager.SIGNATURE_NO_MATCH; 2888 } 2889 2890 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2891 if (isExternal(scannedPkg)) { 2892 return mSettings.isExternalDatabaseVersionOlderThan( 2893 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2894 } else { 2895 return mSettings.isInternalDatabaseVersionOlderThan( 2896 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2897 } 2898 } 2899 2900 private int compareSignaturesRecover(PackageSignatures existingSigs, 2901 PackageParser.Package scannedPkg) { 2902 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2903 return PackageManager.SIGNATURE_NO_MATCH; 2904 } 2905 2906 String msg = null; 2907 try { 2908 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2909 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2910 + scannedPkg.packageName); 2911 return PackageManager.SIGNATURE_MATCH; 2912 } 2913 } catch (CertificateException e) { 2914 msg = e.getMessage(); 2915 } 2916 2917 logCriticalInfo(Log.INFO, 2918 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2919 return PackageManager.SIGNATURE_NO_MATCH; 2920 } 2921 2922 @Override 2923 public String[] getPackagesForUid(int uid) { 2924 uid = UserHandle.getAppId(uid); 2925 // reader 2926 synchronized (mPackages) { 2927 Object obj = mSettings.getUserIdLPr(uid); 2928 if (obj instanceof SharedUserSetting) { 2929 final SharedUserSetting sus = (SharedUserSetting) obj; 2930 final int N = sus.packages.size(); 2931 final String[] res = new String[N]; 2932 final Iterator<PackageSetting> it = sus.packages.iterator(); 2933 int i = 0; 2934 while (it.hasNext()) { 2935 res[i++] = it.next().name; 2936 } 2937 return res; 2938 } else if (obj instanceof PackageSetting) { 2939 final PackageSetting ps = (PackageSetting) obj; 2940 return new String[] { ps.name }; 2941 } 2942 } 2943 return null; 2944 } 2945 2946 @Override 2947 public String getNameForUid(int uid) { 2948 // reader 2949 synchronized (mPackages) { 2950 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2951 if (obj instanceof SharedUserSetting) { 2952 final SharedUserSetting sus = (SharedUserSetting) obj; 2953 return sus.name + ":" + sus.userId; 2954 } else if (obj instanceof PackageSetting) { 2955 final PackageSetting ps = (PackageSetting) obj; 2956 return ps.name; 2957 } 2958 } 2959 return null; 2960 } 2961 2962 @Override 2963 public int getUidForSharedUser(String sharedUserName) { 2964 if(sharedUserName == null) { 2965 return -1; 2966 } 2967 // reader 2968 synchronized (mPackages) { 2969 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2970 if (suid == null) { 2971 return -1; 2972 } 2973 return suid.userId; 2974 } 2975 } 2976 2977 @Override 2978 public int getFlagsForUid(int uid) { 2979 synchronized (mPackages) { 2980 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2981 if (obj instanceof SharedUserSetting) { 2982 final SharedUserSetting sus = (SharedUserSetting) obj; 2983 return sus.pkgFlags; 2984 } else if (obj instanceof PackageSetting) { 2985 final PackageSetting ps = (PackageSetting) obj; 2986 return ps.pkgFlags; 2987 } 2988 } 2989 return 0; 2990 } 2991 2992 @Override 2993 public boolean isUidPrivileged(int uid) { 2994 uid = UserHandle.getAppId(uid); 2995 // reader 2996 synchronized (mPackages) { 2997 Object obj = mSettings.getUserIdLPr(uid); 2998 if (obj instanceof SharedUserSetting) { 2999 final SharedUserSetting sus = (SharedUserSetting) obj; 3000 final Iterator<PackageSetting> it = sus.packages.iterator(); 3001 while (it.hasNext()) { 3002 if (it.next().isPrivileged()) { 3003 return true; 3004 } 3005 } 3006 } else if (obj instanceof PackageSetting) { 3007 final PackageSetting ps = (PackageSetting) obj; 3008 return ps.isPrivileged(); 3009 } 3010 } 3011 return false; 3012 } 3013 3014 @Override 3015 public String[] getAppOpPermissionPackages(String permissionName) { 3016 synchronized (mPackages) { 3017 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3018 if (pkgs == null) { 3019 return null; 3020 } 3021 return pkgs.toArray(new String[pkgs.size()]); 3022 } 3023 } 3024 3025 @Override 3026 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3027 int flags, int userId) { 3028 if (!sUserManager.exists(userId)) return null; 3029 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3030 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3031 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3032 } 3033 3034 @Override 3035 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3036 IntentFilter filter, int match, ComponentName activity) { 3037 final int userId = UserHandle.getCallingUserId(); 3038 if (DEBUG_PREFERRED) { 3039 Log.v(TAG, "setLastChosenActivity intent=" + intent 3040 + " resolvedType=" + resolvedType 3041 + " flags=" + flags 3042 + " filter=" + filter 3043 + " match=" + match 3044 + " activity=" + activity); 3045 filter.dump(new PrintStreamPrinter(System.out), " "); 3046 } 3047 intent.setComponent(null); 3048 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3049 // Find any earlier preferred or last chosen entries and nuke them 3050 findPreferredActivity(intent, resolvedType, 3051 flags, query, 0, false, true, false, userId); 3052 // Add the new activity as the last chosen for this filter 3053 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3054 "Setting last chosen"); 3055 } 3056 3057 @Override 3058 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3059 final int userId = UserHandle.getCallingUserId(); 3060 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3061 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3062 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3063 false, false, false, userId); 3064 } 3065 3066 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3067 int flags, List<ResolveInfo> query, int userId) { 3068 if (query != null) { 3069 final int N = query.size(); 3070 if (N == 1) { 3071 return query.get(0); 3072 } else if (N > 1) { 3073 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3074 // If there is more than one activity with the same priority, 3075 // then let the user decide between them. 3076 ResolveInfo r0 = query.get(0); 3077 ResolveInfo r1 = query.get(1); 3078 if (DEBUG_INTENT_MATCHING || debug) { 3079 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3080 + r1.activityInfo.name + "=" + r1.priority); 3081 } 3082 // If the first activity has a higher priority, or a different 3083 // default, then it is always desireable to pick it. 3084 if (r0.priority != r1.priority 3085 || r0.preferredOrder != r1.preferredOrder 3086 || r0.isDefault != r1.isDefault) { 3087 return query.get(0); 3088 } 3089 // If we have saved a preference for a preferred activity for 3090 // this Intent, use that. 3091 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3092 flags, query, r0.priority, true, false, debug, userId); 3093 if (ri != null) { 3094 return ri; 3095 } 3096 if (userId != 0) { 3097 ri = new ResolveInfo(mResolveInfo); 3098 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3099 ri.activityInfo.applicationInfo = new ApplicationInfo( 3100 ri.activityInfo.applicationInfo); 3101 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3102 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3103 return ri; 3104 } 3105 return mResolveInfo; 3106 } 3107 } 3108 return null; 3109 } 3110 3111 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3112 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3113 final int N = query.size(); 3114 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3115 .get(userId); 3116 // Get the list of persistent preferred activities that handle the intent 3117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3118 List<PersistentPreferredActivity> pprefs = ppir != null 3119 ? ppir.queryIntent(intent, resolvedType, 3120 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3121 : null; 3122 if (pprefs != null && pprefs.size() > 0) { 3123 final int M = pprefs.size(); 3124 for (int i=0; i<M; i++) { 3125 final PersistentPreferredActivity ppa = pprefs.get(i); 3126 if (DEBUG_PREFERRED || debug) { 3127 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3128 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3129 + "\n component=" + ppa.mComponent); 3130 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3131 } 3132 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3133 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3134 if (DEBUG_PREFERRED || debug) { 3135 Slog.v(TAG, "Found persistent preferred activity:"); 3136 if (ai != null) { 3137 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3138 } else { 3139 Slog.v(TAG, " null"); 3140 } 3141 } 3142 if (ai == null) { 3143 // This previously registered persistent preferred activity 3144 // component is no longer known. Ignore it and do NOT remove it. 3145 continue; 3146 } 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (!ri.activityInfo.applicationInfo.packageName 3150 .equals(ai.applicationInfo.packageName)) { 3151 continue; 3152 } 3153 if (!ri.activityInfo.name.equals(ai.name)) { 3154 continue; 3155 } 3156 // Found a persistent preference that can handle the intent. 3157 if (DEBUG_PREFERRED || debug) { 3158 Slog.v(TAG, "Returning persistent preferred activity: " + 3159 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3160 } 3161 return ri; 3162 } 3163 } 3164 } 3165 return null; 3166 } 3167 3168 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3169 List<ResolveInfo> query, int priority, boolean always, 3170 boolean removeMatches, boolean debug, int userId) { 3171 if (!sUserManager.exists(userId)) return null; 3172 // writer 3173 synchronized (mPackages) { 3174 if (intent.getSelector() != null) { 3175 intent = intent.getSelector(); 3176 } 3177 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3178 3179 // Try to find a matching persistent preferred activity. 3180 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3181 debug, userId); 3182 3183 // If a persistent preferred activity matched, use it. 3184 if (pri != null) { 3185 return pri; 3186 } 3187 3188 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3189 // Get the list of preferred activities that handle the intent 3190 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3191 List<PreferredActivity> prefs = pir != null 3192 ? pir.queryIntent(intent, resolvedType, 3193 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3194 : null; 3195 if (prefs != null && prefs.size() > 0) { 3196 boolean changed = false; 3197 try { 3198 // First figure out how good the original match set is. 3199 // We will only allow preferred activities that came 3200 // from the same match quality. 3201 int match = 0; 3202 3203 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3204 3205 final int N = query.size(); 3206 for (int j=0; j<N; j++) { 3207 final ResolveInfo ri = query.get(j); 3208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3209 + ": 0x" + Integer.toHexString(match)); 3210 if (ri.match > match) { 3211 match = ri.match; 3212 } 3213 } 3214 3215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3216 + Integer.toHexString(match)); 3217 3218 match &= IntentFilter.MATCH_CATEGORY_MASK; 3219 final int M = prefs.size(); 3220 for (int i=0; i<M; i++) { 3221 final PreferredActivity pa = prefs.get(i); 3222 if (DEBUG_PREFERRED || debug) { 3223 Slog.v(TAG, "Checking PreferredActivity ds=" 3224 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3225 + "\n component=" + pa.mPref.mComponent); 3226 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3227 } 3228 if (pa.mPref.mMatch != match) { 3229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3230 + Integer.toHexString(pa.mPref.mMatch)); 3231 continue; 3232 } 3233 // If it's not an "always" type preferred activity and that's what we're 3234 // looking for, skip it. 3235 if (always && !pa.mPref.mAlways) { 3236 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3237 continue; 3238 } 3239 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3240 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3241 if (DEBUG_PREFERRED || debug) { 3242 Slog.v(TAG, "Found preferred activity:"); 3243 if (ai != null) { 3244 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3245 } else { 3246 Slog.v(TAG, " null"); 3247 } 3248 } 3249 if (ai == null) { 3250 // This previously registered preferred activity 3251 // component is no longer known. Most likely an update 3252 // to the app was installed and in the new version this 3253 // component no longer exists. Clean it up by removing 3254 // it from the preferred activities list, and skip it. 3255 Slog.w(TAG, "Removing dangling preferred activity: " 3256 + pa.mPref.mComponent); 3257 pir.removeFilter(pa); 3258 changed = true; 3259 continue; 3260 } 3261 for (int j=0; j<N; j++) { 3262 final ResolveInfo ri = query.get(j); 3263 if (!ri.activityInfo.applicationInfo.packageName 3264 .equals(ai.applicationInfo.packageName)) { 3265 continue; 3266 } 3267 if (!ri.activityInfo.name.equals(ai.name)) { 3268 continue; 3269 } 3270 3271 if (removeMatches) { 3272 pir.removeFilter(pa); 3273 changed = true; 3274 if (DEBUG_PREFERRED) { 3275 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3276 } 3277 break; 3278 } 3279 3280 // Okay we found a previously set preferred or last chosen app. 3281 // If the result set is different from when this 3282 // was created, we need to clear it and re-ask the 3283 // user their preference, if we're looking for an "always" type entry. 3284 if (always && !pa.mPref.sameSet(query, priority)) { 3285 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3286 + intent + " type " + resolvedType); 3287 if (DEBUG_PREFERRED) { 3288 Slog.v(TAG, "Removing preferred activity since set changed " 3289 + pa.mPref.mComponent); 3290 } 3291 pir.removeFilter(pa); 3292 // Re-add the filter as a "last chosen" entry (!always) 3293 PreferredActivity lastChosen = new PreferredActivity( 3294 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3295 pir.addFilter(lastChosen); 3296 changed = true; 3297 return null; 3298 } 3299 3300 // Yay! Either the set matched or we're looking for the last chosen 3301 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3302 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3303 return ri; 3304 } 3305 } 3306 } finally { 3307 if (changed) { 3308 if (DEBUG_PREFERRED) { 3309 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3310 } 3311 scheduleWritePackageRestrictionsLocked(userId); 3312 } 3313 } 3314 } 3315 } 3316 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3317 return null; 3318 } 3319 3320 /* 3321 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3322 */ 3323 @Override 3324 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3325 int targetUserId) { 3326 mContext.enforceCallingOrSelfPermission( 3327 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3328 List<CrossProfileIntentFilter> matches = 3329 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3330 if (matches != null) { 3331 int size = matches.size(); 3332 for (int i = 0; i < size; i++) { 3333 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3334 } 3335 } 3336 return false; 3337 } 3338 3339 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3340 String resolvedType, int userId) { 3341 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3342 if (resolver != null) { 3343 return resolver.queryIntent(intent, resolvedType, false, userId); 3344 } 3345 return null; 3346 } 3347 3348 @Override 3349 public List<ResolveInfo> queryIntentActivities(Intent intent, 3350 String resolvedType, int flags, int userId) { 3351 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3352 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3353 ComponentName comp = intent.getComponent(); 3354 if (comp == null) { 3355 if (intent.getSelector() != null) { 3356 intent = intent.getSelector(); 3357 comp = intent.getComponent(); 3358 } 3359 } 3360 3361 if (comp != null) { 3362 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3363 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3364 if (ai != null) { 3365 final ResolveInfo ri = new ResolveInfo(); 3366 ri.activityInfo = ai; 3367 list.add(ri); 3368 } 3369 return list; 3370 } 3371 3372 // reader 3373 synchronized (mPackages) { 3374 final String pkgName = intent.getPackage(); 3375 if (pkgName == null) { 3376 List<CrossProfileIntentFilter> matchingFilters = 3377 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3378 // Check for results that need to skip the current profile. 3379 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3380 resolvedType, flags, userId); 3381 if (resolveInfo != null) { 3382 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3383 result.add(resolveInfo); 3384 return result; 3385 } 3386 // Check for cross profile results. 3387 resolveInfo = queryCrossProfileIntents( 3388 matchingFilters, intent, resolvedType, flags, userId); 3389 3390 // Check for results in the current profile. 3391 List<ResolveInfo> result = mActivities.queryIntent( 3392 intent, resolvedType, flags, userId); 3393 if (resolveInfo != null) { 3394 result.add(resolveInfo); 3395 Collections.sort(result, mResolvePrioritySorter); 3396 } 3397 return result; 3398 } 3399 final PackageParser.Package pkg = mPackages.get(pkgName); 3400 if (pkg != null) { 3401 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3402 pkg.activities, userId); 3403 } 3404 return new ArrayList<ResolveInfo>(); 3405 } 3406 } 3407 3408 private ResolveInfo querySkipCurrentProfileIntents( 3409 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3410 int flags, int sourceUserId) { 3411 if (matchingFilters != null) { 3412 int size = matchingFilters.size(); 3413 for (int i = 0; i < size; i ++) { 3414 CrossProfileIntentFilter filter = matchingFilters.get(i); 3415 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3416 // Checking if there are activities in the target user that can handle the 3417 // intent. 3418 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3419 flags, sourceUserId); 3420 if (resolveInfo != null) { 3421 return resolveInfo; 3422 } 3423 } 3424 } 3425 } 3426 return null; 3427 } 3428 3429 // Return matching ResolveInfo if any for skip current profile intent filters. 3430 private ResolveInfo queryCrossProfileIntents( 3431 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3432 int flags, int sourceUserId) { 3433 if (matchingFilters != null) { 3434 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3435 // match the same intent. For performance reasons, it is better not to 3436 // run queryIntent twice for the same userId 3437 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3438 int size = matchingFilters.size(); 3439 for (int i = 0; i < size; i++) { 3440 CrossProfileIntentFilter filter = matchingFilters.get(i); 3441 int targetUserId = filter.getTargetUserId(); 3442 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3443 && !alreadyTriedUserIds.get(targetUserId)) { 3444 // Checking if there are activities in the target user that can handle the 3445 // intent. 3446 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3447 flags, sourceUserId); 3448 if (resolveInfo != null) return resolveInfo; 3449 alreadyTriedUserIds.put(targetUserId, true); 3450 } 3451 } 3452 } 3453 return null; 3454 } 3455 3456 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3457 String resolvedType, int flags, int sourceUserId) { 3458 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3459 resolvedType, flags, filter.getTargetUserId()); 3460 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3461 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3462 } 3463 return null; 3464 } 3465 3466 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3467 int sourceUserId, int targetUserId) { 3468 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3469 String className; 3470 if (targetUserId == UserHandle.USER_OWNER) { 3471 className = FORWARD_INTENT_TO_USER_OWNER; 3472 } else { 3473 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3474 } 3475 ComponentName forwardingActivityComponentName = new ComponentName( 3476 mAndroidApplication.packageName, className); 3477 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3478 sourceUserId); 3479 if (targetUserId == UserHandle.USER_OWNER) { 3480 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3481 forwardingResolveInfo.noResourceId = true; 3482 } 3483 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3484 forwardingResolveInfo.priority = 0; 3485 forwardingResolveInfo.preferredOrder = 0; 3486 forwardingResolveInfo.match = 0; 3487 forwardingResolveInfo.isDefault = true; 3488 forwardingResolveInfo.filter = filter; 3489 forwardingResolveInfo.targetUserId = targetUserId; 3490 return forwardingResolveInfo; 3491 } 3492 3493 @Override 3494 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3495 Intent[] specifics, String[] specificTypes, Intent intent, 3496 String resolvedType, int flags, int userId) { 3497 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3498 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3499 false, "query intent activity options"); 3500 final String resultsAction = intent.getAction(); 3501 3502 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3503 | PackageManager.GET_RESOLVED_FILTER, userId); 3504 3505 if (DEBUG_INTENT_MATCHING) { 3506 Log.v(TAG, "Query " + intent + ": " + results); 3507 } 3508 3509 int specificsPos = 0; 3510 int N; 3511 3512 // todo: note that the algorithm used here is O(N^2). This 3513 // isn't a problem in our current environment, but if we start running 3514 // into situations where we have more than 5 or 10 matches then this 3515 // should probably be changed to something smarter... 3516 3517 // First we go through and resolve each of the specific items 3518 // that were supplied, taking care of removing any corresponding 3519 // duplicate items in the generic resolve list. 3520 if (specifics != null) { 3521 for (int i=0; i<specifics.length; i++) { 3522 final Intent sintent = specifics[i]; 3523 if (sintent == null) { 3524 continue; 3525 } 3526 3527 if (DEBUG_INTENT_MATCHING) { 3528 Log.v(TAG, "Specific #" + i + ": " + sintent); 3529 } 3530 3531 String action = sintent.getAction(); 3532 if (resultsAction != null && resultsAction.equals(action)) { 3533 // If this action was explicitly requested, then don't 3534 // remove things that have it. 3535 action = null; 3536 } 3537 3538 ResolveInfo ri = null; 3539 ActivityInfo ai = null; 3540 3541 ComponentName comp = sintent.getComponent(); 3542 if (comp == null) { 3543 ri = resolveIntent( 3544 sintent, 3545 specificTypes != null ? specificTypes[i] : null, 3546 flags, userId); 3547 if (ri == null) { 3548 continue; 3549 } 3550 if (ri == mResolveInfo) { 3551 // ACK! Must do something better with this. 3552 } 3553 ai = ri.activityInfo; 3554 comp = new ComponentName(ai.applicationInfo.packageName, 3555 ai.name); 3556 } else { 3557 ai = getActivityInfo(comp, flags, userId); 3558 if (ai == null) { 3559 continue; 3560 } 3561 } 3562 3563 // Look for any generic query activities that are duplicates 3564 // of this specific one, and remove them from the results. 3565 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3566 N = results.size(); 3567 int j; 3568 for (j=specificsPos; j<N; j++) { 3569 ResolveInfo sri = results.get(j); 3570 if ((sri.activityInfo.name.equals(comp.getClassName()) 3571 && sri.activityInfo.applicationInfo.packageName.equals( 3572 comp.getPackageName())) 3573 || (action != null && sri.filter.matchAction(action))) { 3574 results.remove(j); 3575 if (DEBUG_INTENT_MATCHING) Log.v( 3576 TAG, "Removing duplicate item from " + j 3577 + " due to specific " + specificsPos); 3578 if (ri == null) { 3579 ri = sri; 3580 } 3581 j--; 3582 N--; 3583 } 3584 } 3585 3586 // Add this specific item to its proper place. 3587 if (ri == null) { 3588 ri = new ResolveInfo(); 3589 ri.activityInfo = ai; 3590 } 3591 results.add(specificsPos, ri); 3592 ri.specificIndex = i; 3593 specificsPos++; 3594 } 3595 } 3596 3597 // Now we go through the remaining generic results and remove any 3598 // duplicate actions that are found here. 3599 N = results.size(); 3600 for (int i=specificsPos; i<N-1; i++) { 3601 final ResolveInfo rii = results.get(i); 3602 if (rii.filter == null) { 3603 continue; 3604 } 3605 3606 // Iterate over all of the actions of this result's intent 3607 // filter... typically this should be just one. 3608 final Iterator<String> it = rii.filter.actionsIterator(); 3609 if (it == null) { 3610 continue; 3611 } 3612 while (it.hasNext()) { 3613 final String action = it.next(); 3614 if (resultsAction != null && resultsAction.equals(action)) { 3615 // If this action was explicitly requested, then don't 3616 // remove things that have it. 3617 continue; 3618 } 3619 for (int j=i+1; j<N; j++) { 3620 final ResolveInfo rij = results.get(j); 3621 if (rij.filter != null && rij.filter.hasAction(action)) { 3622 results.remove(j); 3623 if (DEBUG_INTENT_MATCHING) Log.v( 3624 TAG, "Removing duplicate item from " + j 3625 + " due to action " + action + " at " + i); 3626 j--; 3627 N--; 3628 } 3629 } 3630 } 3631 3632 // If the caller didn't request filter information, drop it now 3633 // so we don't have to marshall/unmarshall it. 3634 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3635 rii.filter = null; 3636 } 3637 } 3638 3639 // Filter out the caller activity if so requested. 3640 if (caller != null) { 3641 N = results.size(); 3642 for (int i=0; i<N; i++) { 3643 ActivityInfo ainfo = results.get(i).activityInfo; 3644 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3645 && caller.getClassName().equals(ainfo.name)) { 3646 results.remove(i); 3647 break; 3648 } 3649 } 3650 } 3651 3652 // If the caller didn't request filter information, 3653 // drop them now so we don't have to 3654 // marshall/unmarshall it. 3655 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3656 N = results.size(); 3657 for (int i=0; i<N; i++) { 3658 results.get(i).filter = null; 3659 } 3660 } 3661 3662 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3663 return results; 3664 } 3665 3666 @Override 3667 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3668 int userId) { 3669 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3670 ComponentName comp = intent.getComponent(); 3671 if (comp == null) { 3672 if (intent.getSelector() != null) { 3673 intent = intent.getSelector(); 3674 comp = intent.getComponent(); 3675 } 3676 } 3677 if (comp != null) { 3678 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3679 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3680 if (ai != null) { 3681 ResolveInfo ri = new ResolveInfo(); 3682 ri.activityInfo = ai; 3683 list.add(ri); 3684 } 3685 return list; 3686 } 3687 3688 // reader 3689 synchronized (mPackages) { 3690 String pkgName = intent.getPackage(); 3691 if (pkgName == null) { 3692 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3693 } 3694 final PackageParser.Package pkg = mPackages.get(pkgName); 3695 if (pkg != null) { 3696 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3697 userId); 3698 } 3699 return null; 3700 } 3701 } 3702 3703 @Override 3704 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3705 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3706 if (!sUserManager.exists(userId)) return null; 3707 if (query != null) { 3708 if (query.size() >= 1) { 3709 // If there is more than one service with the same priority, 3710 // just arbitrarily pick the first one. 3711 return query.get(0); 3712 } 3713 } 3714 return null; 3715 } 3716 3717 @Override 3718 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3719 int userId) { 3720 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3721 ComponentName comp = intent.getComponent(); 3722 if (comp == null) { 3723 if (intent.getSelector() != null) { 3724 intent = intent.getSelector(); 3725 comp = intent.getComponent(); 3726 } 3727 } 3728 if (comp != null) { 3729 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3730 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3731 if (si != null) { 3732 final ResolveInfo ri = new ResolveInfo(); 3733 ri.serviceInfo = si; 3734 list.add(ri); 3735 } 3736 return list; 3737 } 3738 3739 // reader 3740 synchronized (mPackages) { 3741 String pkgName = intent.getPackage(); 3742 if (pkgName == null) { 3743 return mServices.queryIntent(intent, resolvedType, flags, userId); 3744 } 3745 final PackageParser.Package pkg = mPackages.get(pkgName); 3746 if (pkg != null) { 3747 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3748 userId); 3749 } 3750 return null; 3751 } 3752 } 3753 3754 @Override 3755 public List<ResolveInfo> queryIntentContentProviders( 3756 Intent intent, String resolvedType, int flags, int userId) { 3757 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3758 ComponentName comp = intent.getComponent(); 3759 if (comp == null) { 3760 if (intent.getSelector() != null) { 3761 intent = intent.getSelector(); 3762 comp = intent.getComponent(); 3763 } 3764 } 3765 if (comp != null) { 3766 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3767 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3768 if (pi != null) { 3769 final ResolveInfo ri = new ResolveInfo(); 3770 ri.providerInfo = pi; 3771 list.add(ri); 3772 } 3773 return list; 3774 } 3775 3776 // reader 3777 synchronized (mPackages) { 3778 String pkgName = intent.getPackage(); 3779 if (pkgName == null) { 3780 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3781 } 3782 final PackageParser.Package pkg = mPackages.get(pkgName); 3783 if (pkg != null) { 3784 return mProviders.queryIntentForPackage( 3785 intent, resolvedType, flags, pkg.providers, userId); 3786 } 3787 return null; 3788 } 3789 } 3790 3791 @Override 3792 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3793 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3794 3795 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3796 3797 // writer 3798 synchronized (mPackages) { 3799 ArrayList<PackageInfo> list; 3800 if (listUninstalled) { 3801 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3802 for (PackageSetting ps : mSettings.mPackages.values()) { 3803 PackageInfo pi; 3804 if (ps.pkg != null) { 3805 pi = generatePackageInfo(ps.pkg, flags, userId); 3806 } else { 3807 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3808 } 3809 if (pi != null) { 3810 list.add(pi); 3811 } 3812 } 3813 } else { 3814 list = new ArrayList<PackageInfo>(mPackages.size()); 3815 for (PackageParser.Package p : mPackages.values()) { 3816 PackageInfo pi = generatePackageInfo(p, flags, userId); 3817 if (pi != null) { 3818 list.add(pi); 3819 } 3820 } 3821 } 3822 3823 return new ParceledListSlice<PackageInfo>(list); 3824 } 3825 } 3826 3827 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3828 String[] permissions, boolean[] tmp, int flags, int userId) { 3829 int numMatch = 0; 3830 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3831 for (int i=0; i<permissions.length; i++) { 3832 if (gp.grantedPermissions.contains(permissions[i])) { 3833 tmp[i] = true; 3834 numMatch++; 3835 } else { 3836 tmp[i] = false; 3837 } 3838 } 3839 if (numMatch == 0) { 3840 return; 3841 } 3842 PackageInfo pi; 3843 if (ps.pkg != null) { 3844 pi = generatePackageInfo(ps.pkg, flags, userId); 3845 } else { 3846 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3847 } 3848 // The above might return null in cases of uninstalled apps or install-state 3849 // skew across users/profiles. 3850 if (pi != null) { 3851 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3852 if (numMatch == permissions.length) { 3853 pi.requestedPermissions = permissions; 3854 } else { 3855 pi.requestedPermissions = new String[numMatch]; 3856 numMatch = 0; 3857 for (int i=0; i<permissions.length; i++) { 3858 if (tmp[i]) { 3859 pi.requestedPermissions[numMatch] = permissions[i]; 3860 numMatch++; 3861 } 3862 } 3863 } 3864 } 3865 list.add(pi); 3866 } 3867 } 3868 3869 @Override 3870 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3871 String[] permissions, int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3874 3875 // writer 3876 synchronized (mPackages) { 3877 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3878 boolean[] tmpBools = new boolean[permissions.length]; 3879 if (listUninstalled) { 3880 for (PackageSetting ps : mSettings.mPackages.values()) { 3881 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3882 } 3883 } else { 3884 for (PackageParser.Package pkg : mPackages.values()) { 3885 PackageSetting ps = (PackageSetting)pkg.mExtras; 3886 if (ps != null) { 3887 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3888 userId); 3889 } 3890 } 3891 } 3892 3893 return new ParceledListSlice<PackageInfo>(list); 3894 } 3895 } 3896 3897 @Override 3898 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3899 if (!sUserManager.exists(userId)) return null; 3900 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3901 3902 // writer 3903 synchronized (mPackages) { 3904 ArrayList<ApplicationInfo> list; 3905 if (listUninstalled) { 3906 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3907 for (PackageSetting ps : mSettings.mPackages.values()) { 3908 ApplicationInfo ai; 3909 if (ps.pkg != null) { 3910 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3911 ps.readUserState(userId), userId); 3912 } else { 3913 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3914 } 3915 if (ai != null) { 3916 list.add(ai); 3917 } 3918 } 3919 } else { 3920 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3921 for (PackageParser.Package p : mPackages.values()) { 3922 if (p.mExtras != null) { 3923 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3924 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3925 if (ai != null) { 3926 list.add(ai); 3927 } 3928 } 3929 } 3930 } 3931 3932 return new ParceledListSlice<ApplicationInfo>(list); 3933 } 3934 } 3935 3936 public List<ApplicationInfo> getPersistentApplications(int flags) { 3937 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3938 3939 // reader 3940 synchronized (mPackages) { 3941 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3942 final int userId = UserHandle.getCallingUserId(); 3943 while (i.hasNext()) { 3944 final PackageParser.Package p = i.next(); 3945 if (p.applicationInfo != null 3946 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3947 && (!mSafeMode || isSystemApp(p))) { 3948 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3949 if (ps != null) { 3950 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3951 ps.readUserState(userId), userId); 3952 if (ai != null) { 3953 finalList.add(ai); 3954 } 3955 } 3956 } 3957 } 3958 } 3959 3960 return finalList; 3961 } 3962 3963 @Override 3964 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3965 if (!sUserManager.exists(userId)) return null; 3966 // reader 3967 synchronized (mPackages) { 3968 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3969 PackageSetting ps = provider != null 3970 ? mSettings.mPackages.get(provider.owner.packageName) 3971 : null; 3972 return ps != null 3973 && mSettings.isEnabledLPr(provider.info, flags, userId) 3974 && (!mSafeMode || (provider.info.applicationInfo.flags 3975 &ApplicationInfo.FLAG_SYSTEM) != 0) 3976 ? PackageParser.generateProviderInfo(provider, flags, 3977 ps.readUserState(userId), userId) 3978 : null; 3979 } 3980 } 3981 3982 /** 3983 * @deprecated 3984 */ 3985 @Deprecated 3986 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3987 // reader 3988 synchronized (mPackages) { 3989 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3990 .entrySet().iterator(); 3991 final int userId = UserHandle.getCallingUserId(); 3992 while (i.hasNext()) { 3993 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3994 PackageParser.Provider p = entry.getValue(); 3995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3996 3997 if (ps != null && p.syncable 3998 && (!mSafeMode || (p.info.applicationInfo.flags 3999 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4000 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4001 ps.readUserState(userId), userId); 4002 if (info != null) { 4003 outNames.add(entry.getKey()); 4004 outInfo.add(info); 4005 } 4006 } 4007 } 4008 } 4009 } 4010 4011 @Override 4012 public List<ProviderInfo> queryContentProviders(String processName, 4013 int uid, int flags) { 4014 ArrayList<ProviderInfo> finalList = null; 4015 // reader 4016 synchronized (mPackages) { 4017 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4018 final int userId = processName != null ? 4019 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4020 while (i.hasNext()) { 4021 final PackageParser.Provider p = i.next(); 4022 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4023 if (ps != null && p.info.authority != null 4024 && (processName == null 4025 || (p.info.processName.equals(processName) 4026 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4027 && mSettings.isEnabledLPr(p.info, flags, userId) 4028 && (!mSafeMode 4029 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4030 if (finalList == null) { 4031 finalList = new ArrayList<ProviderInfo>(3); 4032 } 4033 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4034 ps.readUserState(userId), userId); 4035 if (info != null) { 4036 finalList.add(info); 4037 } 4038 } 4039 } 4040 } 4041 4042 if (finalList != null) { 4043 Collections.sort(finalList, mProviderInitOrderSorter); 4044 } 4045 4046 return finalList; 4047 } 4048 4049 @Override 4050 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4051 int flags) { 4052 // reader 4053 synchronized (mPackages) { 4054 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4055 return PackageParser.generateInstrumentationInfo(i, flags); 4056 } 4057 } 4058 4059 @Override 4060 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4061 int flags) { 4062 ArrayList<InstrumentationInfo> finalList = 4063 new ArrayList<InstrumentationInfo>(); 4064 4065 // reader 4066 synchronized (mPackages) { 4067 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4068 while (i.hasNext()) { 4069 final PackageParser.Instrumentation p = i.next(); 4070 if (targetPackage == null 4071 || targetPackage.equals(p.info.targetPackage)) { 4072 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4073 flags); 4074 if (ii != null) { 4075 finalList.add(ii); 4076 } 4077 } 4078 } 4079 } 4080 4081 return finalList; 4082 } 4083 4084 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4085 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4086 if (overlays == null) { 4087 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4088 return; 4089 } 4090 for (PackageParser.Package opkg : overlays.values()) { 4091 // Not much to do if idmap fails: we already logged the error 4092 // and we certainly don't want to abort installation of pkg simply 4093 // because an overlay didn't fit properly. For these reasons, 4094 // ignore the return value of createIdmapForPackagePairLI. 4095 createIdmapForPackagePairLI(pkg, opkg); 4096 } 4097 } 4098 4099 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4100 PackageParser.Package opkg) { 4101 if (!opkg.mTrustedOverlay) { 4102 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4103 opkg.baseCodePath + ": overlay not trusted"); 4104 return false; 4105 } 4106 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4107 if (overlaySet == null) { 4108 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4109 opkg.baseCodePath + " but target package has no known overlays"); 4110 return false; 4111 } 4112 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4113 // TODO: generate idmap for split APKs 4114 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4115 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4116 + opkg.baseCodePath); 4117 return false; 4118 } 4119 PackageParser.Package[] overlayArray = 4120 overlaySet.values().toArray(new PackageParser.Package[0]); 4121 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4122 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4123 return p1.mOverlayPriority - p2.mOverlayPriority; 4124 } 4125 }; 4126 Arrays.sort(overlayArray, cmp); 4127 4128 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4129 int i = 0; 4130 for (PackageParser.Package p : overlayArray) { 4131 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4132 } 4133 return true; 4134 } 4135 4136 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4137 final File[] files = dir.listFiles(); 4138 if (ArrayUtils.isEmpty(files)) { 4139 Log.d(TAG, "No files in app dir " + dir); 4140 return; 4141 } 4142 4143 if (DEBUG_PACKAGE_SCANNING) { 4144 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4145 + " flags=0x" + Integer.toHexString(parseFlags)); 4146 } 4147 4148 for (File file : files) { 4149 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4150 && !PackageInstallerService.isStageName(file.getName()); 4151 if (!isPackage) { 4152 // Ignore entries which are not packages 4153 continue; 4154 } 4155 try { 4156 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4157 scanFlags, currentTime, null); 4158 } catch (PackageManagerException e) { 4159 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4160 4161 // Delete invalid userdata apps 4162 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4163 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4164 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4165 if (file.isDirectory()) { 4166 FileUtils.deleteContents(file); 4167 } 4168 file.delete(); 4169 } 4170 } 4171 } 4172 } 4173 4174 private static File getSettingsProblemFile() { 4175 File dataDir = Environment.getDataDirectory(); 4176 File systemDir = new File(dataDir, "system"); 4177 File fname = new File(systemDir, "uiderrors.txt"); 4178 return fname; 4179 } 4180 4181 static void reportSettingsProblem(int priority, String msg) { 4182 logCriticalInfo(priority, msg); 4183 } 4184 4185 static void logCriticalInfo(int priority, String msg) { 4186 Slog.println(priority, TAG, msg); 4187 EventLogTags.writePmCriticalInfo(msg); 4188 try { 4189 File fname = getSettingsProblemFile(); 4190 FileOutputStream out = new FileOutputStream(fname, true); 4191 PrintWriter pw = new FastPrintWriter(out); 4192 SimpleDateFormat formatter = new SimpleDateFormat(); 4193 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4194 pw.println(dateString + ": " + msg); 4195 pw.close(); 4196 FileUtils.setPermissions( 4197 fname.toString(), 4198 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4199 -1, -1); 4200 } catch (java.io.IOException e) { 4201 } 4202 } 4203 4204 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4205 PackageParser.Package pkg, File srcFile, int parseFlags) 4206 throws PackageManagerException { 4207 if (ps != null 4208 && ps.codePath.equals(srcFile) 4209 && ps.timeStamp == srcFile.lastModified() 4210 && !isCompatSignatureUpdateNeeded(pkg) 4211 && !isRecoverSignatureUpdateNeeded(pkg)) { 4212 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4213 if (ps.signatures.mSignatures != null 4214 && ps.signatures.mSignatures.length != 0 4215 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4216 // Optimization: reuse the existing cached certificates 4217 // if the package appears to be unchanged. 4218 pkg.mSignatures = ps.signatures.mSignatures; 4219 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4220 synchronized (mPackages) { 4221 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4222 } 4223 return; 4224 } 4225 4226 Slog.w(TAG, "PackageSetting for " + ps.name 4227 + " is missing signatures. Collecting certs again to recover them."); 4228 } else { 4229 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4230 } 4231 4232 try { 4233 pp.collectCertificates(pkg, parseFlags); 4234 pp.collectManifestDigest(pkg); 4235 } catch (PackageParserException e) { 4236 throw PackageManagerException.from(e); 4237 } 4238 } 4239 4240 /* 4241 * Scan a package and return the newly parsed package. 4242 * Returns null in case of errors and the error code is stored in mLastScanError 4243 */ 4244 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4245 long currentTime, UserHandle user) throws PackageManagerException { 4246 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4247 parseFlags |= mDefParseFlags; 4248 PackageParser pp = new PackageParser(); 4249 pp.setSeparateProcesses(mSeparateProcesses); 4250 pp.setOnlyCoreApps(mOnlyCore); 4251 pp.setDisplayMetrics(mMetrics); 4252 4253 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4254 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4255 } 4256 4257 final PackageParser.Package pkg; 4258 try { 4259 pkg = pp.parsePackage(scanFile, parseFlags); 4260 } catch (PackageParserException e) { 4261 throw PackageManagerException.from(e); 4262 } 4263 4264 PackageSetting ps = null; 4265 PackageSetting updatedPkg; 4266 // reader 4267 synchronized (mPackages) { 4268 // Look to see if we already know about this package. 4269 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4270 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4271 // This package has been renamed to its original name. Let's 4272 // use that. 4273 ps = mSettings.peekPackageLPr(oldName); 4274 } 4275 // If there was no original package, see one for the real package name. 4276 if (ps == null) { 4277 ps = mSettings.peekPackageLPr(pkg.packageName); 4278 } 4279 // Check to see if this package could be hiding/updating a system 4280 // package. Must look for it either under the original or real 4281 // package name depending on our state. 4282 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4283 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4284 } 4285 boolean updatedPkgBetter = false; 4286 // First check if this is a system package that may involve an update 4287 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4288 if (ps != null && !ps.codePath.equals(scanFile)) { 4289 // The path has changed from what was last scanned... check the 4290 // version of the new path against what we have stored to determine 4291 // what to do. 4292 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4293 if (pkg.mVersionCode <= ps.versionCode) { 4294 // The system package has been updated and the code path does not match 4295 // Ignore entry. Skip it. 4296 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4297 + " ignored: updated version " + ps.versionCode 4298 + " better than this " + pkg.mVersionCode); 4299 if (!updatedPkg.codePath.equals(scanFile)) { 4300 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4301 + ps.name + " changing from " + updatedPkg.codePathString 4302 + " to " + scanFile); 4303 updatedPkg.codePath = scanFile; 4304 updatedPkg.codePathString = scanFile.toString(); 4305 // This is the point at which we know that the system-disk APK 4306 // for this package has moved during a reboot (e.g. due to an OTA), 4307 // so we need to reevaluate it for privilege policy. 4308 if (locationIsPrivileged(scanFile)) { 4309 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4310 } 4311 } 4312 updatedPkg.pkg = pkg; 4313 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4314 } else { 4315 // The current app on the system partition is better than 4316 // what we have updated to on the data partition; switch 4317 // back to the system partition version. 4318 // At this point, its safely assumed that package installation for 4319 // apps in system partition will go through. If not there won't be a working 4320 // version of the app 4321 // writer 4322 synchronized (mPackages) { 4323 // Just remove the loaded entries from package lists. 4324 mPackages.remove(ps.name); 4325 } 4326 4327 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4328 + " reverting from " + ps.codePathString 4329 + ": new version " + pkg.mVersionCode 4330 + " better than installed " + ps.versionCode); 4331 4332 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4333 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4334 getAppDexInstructionSets(ps)); 4335 synchronized (mInstallLock) { 4336 args.cleanUpResourcesLI(); 4337 } 4338 synchronized (mPackages) { 4339 mSettings.enableSystemPackageLPw(ps.name); 4340 } 4341 updatedPkgBetter = true; 4342 } 4343 } 4344 } 4345 4346 if (updatedPkg != null) { 4347 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4348 // initially 4349 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4350 4351 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4352 // flag set initially 4353 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4354 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4355 } 4356 } 4357 4358 // Verify certificates against what was last scanned 4359 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4360 4361 /* 4362 * A new system app appeared, but we already had a non-system one of the 4363 * same name installed earlier. 4364 */ 4365 boolean shouldHideSystemApp = false; 4366 if (updatedPkg == null && ps != null 4367 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4368 /* 4369 * Check to make sure the signatures match first. If they don't, 4370 * wipe the installed application and its data. 4371 */ 4372 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4373 != PackageManager.SIGNATURE_MATCH) { 4374 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4375 + " signatures don't match existing userdata copy; removing"); 4376 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4377 ps = null; 4378 } else { 4379 /* 4380 * If the newly-added system app is an older version than the 4381 * already installed version, hide it. It will be scanned later 4382 * and re-added like an update. 4383 */ 4384 if (pkg.mVersionCode <= ps.versionCode) { 4385 shouldHideSystemApp = true; 4386 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4387 + " but new version " + pkg.mVersionCode + " better than installed " 4388 + ps.versionCode + "; hiding system"); 4389 } else { 4390 /* 4391 * The newly found system app is a newer version that the 4392 * one previously installed. Simply remove the 4393 * already-installed application and replace it with our own 4394 * while keeping the application data. 4395 */ 4396 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4397 + " reverting from " + ps.codePathString + ": new version " 4398 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4399 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4400 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4401 getAppDexInstructionSets(ps)); 4402 synchronized (mInstallLock) { 4403 args.cleanUpResourcesLI(); 4404 } 4405 } 4406 } 4407 } 4408 4409 // The apk is forward locked (not public) if its code and resources 4410 // are kept in different files. (except for app in either system or 4411 // vendor path). 4412 // TODO grab this value from PackageSettings 4413 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4414 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4415 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4416 } 4417 } 4418 4419 // TODO: extend to support forward-locked splits 4420 String resourcePath = null; 4421 String baseResourcePath = null; 4422 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4423 if (ps != null && ps.resourcePathString != null) { 4424 resourcePath = ps.resourcePathString; 4425 baseResourcePath = ps.resourcePathString; 4426 } else { 4427 // Should not happen at all. Just log an error. 4428 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4429 } 4430 } else { 4431 resourcePath = pkg.codePath; 4432 baseResourcePath = pkg.baseCodePath; 4433 } 4434 4435 // Set application objects path explicitly. 4436 pkg.applicationInfo.setCodePath(pkg.codePath); 4437 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4438 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4439 pkg.applicationInfo.setResourcePath(resourcePath); 4440 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4441 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4442 4443 // Note that we invoke the following method only if we are about to unpack an application 4444 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4445 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4446 4447 /* 4448 * If the system app should be overridden by a previously installed 4449 * data, hide the system app now and let the /data/app scan pick it up 4450 * again. 4451 */ 4452 if (shouldHideSystemApp) { 4453 synchronized (mPackages) { 4454 /* 4455 * We have to grant systems permissions before we hide, because 4456 * grantPermissions will assume the package update is trying to 4457 * expand its permissions. 4458 */ 4459 grantPermissionsLPw(pkg, true, pkg.packageName); 4460 mSettings.disableSystemPackageLPw(pkg.packageName); 4461 } 4462 } 4463 4464 return scannedPkg; 4465 } 4466 4467 private static String fixProcessName(String defProcessName, 4468 String processName, int uid) { 4469 if (processName == null) { 4470 return defProcessName; 4471 } 4472 return processName; 4473 } 4474 4475 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4476 throws PackageManagerException { 4477 if (pkgSetting.signatures.mSignatures != null) { 4478 // Already existing package. Make sure signatures match 4479 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4480 == PackageManager.SIGNATURE_MATCH; 4481 if (!match) { 4482 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4483 == PackageManager.SIGNATURE_MATCH; 4484 } 4485 if (!match) { 4486 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4487 == PackageManager.SIGNATURE_MATCH; 4488 } 4489 if (!match) { 4490 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4491 + pkg.packageName + " signatures do not match the " 4492 + "previously installed version; ignoring!"); 4493 } 4494 } 4495 4496 // Check for shared user signatures 4497 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4498 // Already existing package. Make sure signatures match 4499 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4500 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4501 if (!match) { 4502 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4503 == PackageManager.SIGNATURE_MATCH; 4504 } 4505 if (!match) { 4506 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4507 == PackageManager.SIGNATURE_MATCH; 4508 } 4509 if (!match) { 4510 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4511 "Package " + pkg.packageName 4512 + " has no signatures that match those in shared user " 4513 + pkgSetting.sharedUser.name + "; ignoring!"); 4514 } 4515 } 4516 } 4517 4518 /** 4519 * Enforces that only the system UID or root's UID can call a method exposed 4520 * via Binder. 4521 * 4522 * @param message used as message if SecurityException is thrown 4523 * @throws SecurityException if the caller is not system or root 4524 */ 4525 private static final void enforceSystemOrRoot(String message) { 4526 final int uid = Binder.getCallingUid(); 4527 if (uid != Process.SYSTEM_UID && uid != 0) { 4528 throw new SecurityException(message); 4529 } 4530 } 4531 4532 @Override 4533 public void performBootDexOpt() { 4534 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4535 4536 // Before everything else, see whether we need to fstrim. 4537 try { 4538 IMountService ms = PackageHelper.getMountService(); 4539 if (ms != null) { 4540 final long interval = android.provider.Settings.Global.getLong( 4541 mContext.getContentResolver(), 4542 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4543 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4544 if (interval > 0) { 4545 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4546 if (timeSinceLast > interval) { 4547 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4548 + "; running immediately"); 4549 if (!isFirstBoot()) { 4550 try { 4551 ActivityManagerNative.getDefault().showBootMessage( 4552 mContext.getResources().getString( 4553 R.string.android_upgrading_fstrim), true); 4554 } catch (RemoteException e) { 4555 } 4556 } 4557 ms.runMaintenance(); 4558 } 4559 } 4560 } else { 4561 Slog.e(TAG, "Mount service unavailable!"); 4562 } 4563 } catch (RemoteException e) { 4564 // Can't happen; MountService is local 4565 } 4566 4567 final ArraySet<PackageParser.Package> pkgs; 4568 synchronized (mPackages) { 4569 pkgs = mDeferredDexOpt; 4570 mDeferredDexOpt = null; 4571 } 4572 4573 if (pkgs != null) { 4574 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4575 // in case the device runs out of space. 4576 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4577 // Give priority to core apps. 4578 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4579 PackageParser.Package pkg = it.next(); 4580 if (pkg.coreApp) { 4581 if (DEBUG_DEXOPT) { 4582 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4583 } 4584 sortedPkgs.add(pkg); 4585 it.remove(); 4586 } 4587 } 4588 // Give priority to system apps that listen for pre boot complete. 4589 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4590 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4591 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4592 PackageParser.Package pkg = it.next(); 4593 if (pkgNames.contains(pkg.packageName)) { 4594 if (DEBUG_DEXOPT) { 4595 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4596 } 4597 sortedPkgs.add(pkg); 4598 it.remove(); 4599 } 4600 } 4601 // Give priority to system apps. 4602 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4603 PackageParser.Package pkg = it.next(); 4604 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4605 if (DEBUG_DEXOPT) { 4606 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4607 } 4608 sortedPkgs.add(pkg); 4609 it.remove(); 4610 } 4611 } 4612 // Give priority to updated system apps. 4613 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4614 PackageParser.Package pkg = it.next(); 4615 if (isUpdatedSystemApp(pkg)) { 4616 if (DEBUG_DEXOPT) { 4617 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4618 } 4619 sortedPkgs.add(pkg); 4620 it.remove(); 4621 } 4622 } 4623 // Give priority to apps that listen for boot complete. 4624 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4625 pkgNames = getPackageNamesForIntent(intent); 4626 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4627 PackageParser.Package pkg = it.next(); 4628 if (pkgNames.contains(pkg.packageName)) { 4629 if (DEBUG_DEXOPT) { 4630 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4631 } 4632 sortedPkgs.add(pkg); 4633 it.remove(); 4634 } 4635 } 4636 // Filter out packages that aren't recently used. 4637 filterRecentlyUsedApps(pkgs); 4638 // Add all remaining apps. 4639 for (PackageParser.Package pkg : pkgs) { 4640 if (DEBUG_DEXOPT) { 4641 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4642 } 4643 sortedPkgs.add(pkg); 4644 } 4645 4646 // If we want to be lazy, filter everything that wasn't recently used. 4647 if (mLazyDexOpt) { 4648 filterRecentlyUsedApps(sortedPkgs); 4649 } 4650 4651 int i = 0; 4652 int total = sortedPkgs.size(); 4653 File dataDir = Environment.getDataDirectory(); 4654 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4655 if (lowThreshold == 0) { 4656 throw new IllegalStateException("Invalid low memory threshold"); 4657 } 4658 for (PackageParser.Package pkg : sortedPkgs) { 4659 long usableSpace = dataDir.getUsableSpace(); 4660 if (usableSpace < lowThreshold) { 4661 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4662 break; 4663 } 4664 performBootDexOpt(pkg, ++i, total); 4665 } 4666 } 4667 } 4668 4669 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4670 // Filter out packages that aren't recently used. 4671 // 4672 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4673 // should do a full dexopt. 4674 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4675 int total = pkgs.size(); 4676 int skipped = 0; 4677 long now = System.currentTimeMillis(); 4678 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4679 PackageParser.Package pkg = i.next(); 4680 long then = pkg.mLastPackageUsageTimeInMills; 4681 if (then + mDexOptLRUThresholdInMills < now) { 4682 if (DEBUG_DEXOPT) { 4683 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4684 ((then == 0) ? "never" : new Date(then))); 4685 } 4686 i.remove(); 4687 skipped++; 4688 } 4689 } 4690 if (DEBUG_DEXOPT) { 4691 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4692 } 4693 } 4694 } 4695 4696 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4697 List<ResolveInfo> ris = null; 4698 try { 4699 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4700 intent, null, 0, UserHandle.USER_OWNER); 4701 } catch (RemoteException e) { 4702 } 4703 ArraySet<String> pkgNames = new ArraySet<String>(); 4704 if (ris != null) { 4705 for (ResolveInfo ri : ris) { 4706 pkgNames.add(ri.activityInfo.packageName); 4707 } 4708 } 4709 return pkgNames; 4710 } 4711 4712 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4713 if (DEBUG_DEXOPT) { 4714 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4715 } 4716 if (!isFirstBoot()) { 4717 try { 4718 ActivityManagerNative.getDefault().showBootMessage( 4719 mContext.getResources().getString(R.string.android_upgrading_apk, 4720 curr, total), true); 4721 } catch (RemoteException e) { 4722 } 4723 } 4724 PackageParser.Package p = pkg; 4725 synchronized (mInstallLock) { 4726 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4727 false /* defer */, true /* include dependencies */); 4728 } 4729 } 4730 4731 @Override 4732 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4733 return performDexOpt(packageName, instructionSet, false); 4734 } 4735 4736 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4737 if (info.primaryCpuAbi == null) { 4738 return getPreferredInstructionSet(); 4739 } 4740 4741 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4742 } 4743 4744 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4745 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4746 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4747 if (!dexopt && !updateUsage) { 4748 // We aren't going to dexopt or update usage, so bail early. 4749 return false; 4750 } 4751 PackageParser.Package p; 4752 final String targetInstructionSet; 4753 synchronized (mPackages) { 4754 p = mPackages.get(packageName); 4755 if (p == null) { 4756 return false; 4757 } 4758 if (updateUsage) { 4759 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4760 } 4761 mPackageUsage.write(false); 4762 if (!dexopt) { 4763 // We aren't going to dexopt, so bail early. 4764 return false; 4765 } 4766 4767 targetInstructionSet = instructionSet != null ? instructionSet : 4768 getPrimaryInstructionSet(p.applicationInfo); 4769 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4770 return false; 4771 } 4772 } 4773 4774 synchronized (mInstallLock) { 4775 final String[] instructionSets = new String[] { targetInstructionSet }; 4776 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4777 true /* include dependencies */) == DEX_OPT_PERFORMED; 4778 } 4779 } 4780 4781 public ArraySet<String> getPackagesThatNeedDexOpt() { 4782 ArraySet<String> pkgs = null; 4783 synchronized (mPackages) { 4784 for (PackageParser.Package p : mPackages.values()) { 4785 if (DEBUG_DEXOPT) { 4786 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4787 } 4788 if (!p.mDexOptPerformed.isEmpty()) { 4789 continue; 4790 } 4791 if (pkgs == null) { 4792 pkgs = new ArraySet<String>(); 4793 } 4794 pkgs.add(p.packageName); 4795 } 4796 } 4797 return pkgs; 4798 } 4799 4800 public void shutdown() { 4801 mPackageUsage.write(true); 4802 } 4803 4804 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4805 boolean forceDex, boolean defer, ArraySet<String> done) { 4806 for (int i=0; i<libs.size(); i++) { 4807 PackageParser.Package libPkg; 4808 String libName; 4809 synchronized (mPackages) { 4810 libName = libs.get(i); 4811 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4812 if (lib != null && lib.apk != null) { 4813 libPkg = mPackages.get(lib.apk); 4814 } else { 4815 libPkg = null; 4816 } 4817 } 4818 if (libPkg != null && !done.contains(libName)) { 4819 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4820 } 4821 } 4822 } 4823 4824 static final int DEX_OPT_SKIPPED = 0; 4825 static final int DEX_OPT_PERFORMED = 1; 4826 static final int DEX_OPT_DEFERRED = 2; 4827 static final int DEX_OPT_FAILED = -1; 4828 4829 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4830 boolean forceDex, boolean defer, ArraySet<String> done) { 4831 final String[] instructionSets = targetInstructionSets != null ? 4832 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4833 4834 if (done != null) { 4835 done.add(pkg.packageName); 4836 if (pkg.usesLibraries != null) { 4837 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4838 } 4839 if (pkg.usesOptionalLibraries != null) { 4840 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4841 } 4842 } 4843 4844 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4845 return DEX_OPT_SKIPPED; 4846 } 4847 4848 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4849 4850 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4851 boolean performedDexOpt = false; 4852 // There are three basic cases here: 4853 // 1.) we need to dexopt, either because we are forced or it is needed 4854 // 2.) we are defering a needed dexopt 4855 // 3.) we are skipping an unneeded dexopt 4856 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4857 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4858 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4859 continue; 4860 } 4861 4862 for (String path : paths) { 4863 try { 4864 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4865 // patckage or the one we find does not match the image checksum (i.e. it was 4866 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4867 // odex file and it matches the checksum of the image but not its base address, 4868 // meaning we need to move it. 4869 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4870 pkg.packageName, dexCodeInstructionSet, defer); 4871 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4872 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4873 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4874 + " vmSafeMode=" + vmSafeMode); 4875 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4876 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4877 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4878 4879 if (ret < 0) { 4880 // Don't bother running dexopt again if we failed, it will probably 4881 // just result in an error again. Also, don't bother dexopting for other 4882 // paths & ISAs. 4883 return DEX_OPT_FAILED; 4884 } 4885 4886 performedDexOpt = true; 4887 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4888 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4889 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4890 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4891 pkg.packageName, dexCodeInstructionSet); 4892 4893 if (ret < 0) { 4894 // Don't bother running patchoat again if we failed, it will probably 4895 // just result in an error again. Also, don't bother dexopting for other 4896 // paths & ISAs. 4897 return DEX_OPT_FAILED; 4898 } 4899 4900 performedDexOpt = true; 4901 } 4902 4903 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4904 // paths and instruction sets. We'll deal with them all together when we process 4905 // our list of deferred dexopts. 4906 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4907 if (mDeferredDexOpt == null) { 4908 mDeferredDexOpt = new ArraySet<PackageParser.Package>(); 4909 } 4910 mDeferredDexOpt.add(pkg); 4911 return DEX_OPT_DEFERRED; 4912 } 4913 } catch (FileNotFoundException e) { 4914 Slog.w(TAG, "Apk not found for dexopt: " + path); 4915 return DEX_OPT_FAILED; 4916 } catch (IOException e) { 4917 Slog.w(TAG, "IOException reading apk: " + path, e); 4918 return DEX_OPT_FAILED; 4919 } catch (StaleDexCacheError e) { 4920 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4921 return DEX_OPT_FAILED; 4922 } catch (Exception e) { 4923 Slog.w(TAG, "Exception when doing dexopt : ", e); 4924 return DEX_OPT_FAILED; 4925 } 4926 } 4927 4928 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4929 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4930 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4931 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4932 // it. 4933 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4934 } 4935 4936 // If we've gotten here, we're sure that no error occurred and that we haven't 4937 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4938 // we've skipped all of them because they are up to date. In both cases this 4939 // package doesn't need dexopt any longer. 4940 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4941 } 4942 4943 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4944 if (info.primaryCpuAbi != null) { 4945 if (info.secondaryCpuAbi != null) { 4946 return new String[] { 4947 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4948 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4949 } else { 4950 return new String[] { 4951 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4952 } 4953 } 4954 4955 return new String[] { getPreferredInstructionSet() }; 4956 } 4957 4958 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4959 if (ps.primaryCpuAbiString != null) { 4960 if (ps.secondaryCpuAbiString != null) { 4961 return new String[] { 4962 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4963 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4964 } else { 4965 return new String[] { 4966 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4967 } 4968 } 4969 4970 return new String[] { getPreferredInstructionSet() }; 4971 } 4972 4973 private static String getPreferredInstructionSet() { 4974 if (sPreferredInstructionSet == null) { 4975 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4976 } 4977 4978 return sPreferredInstructionSet; 4979 } 4980 4981 private static List<String> getAllInstructionSets() { 4982 final String[] allAbis = Build.SUPPORTED_ABIS; 4983 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4984 4985 for (String abi : allAbis) { 4986 final String instructionSet = VMRuntime.getInstructionSet(abi); 4987 if (!allInstructionSets.contains(instructionSet)) { 4988 allInstructionSets.add(instructionSet); 4989 } 4990 } 4991 4992 return allInstructionSets; 4993 } 4994 4995 /** 4996 * Returns the instruction set that should be used to compile dex code. In the presence of 4997 * a native bridge this might be different than the one shared libraries use. 4998 */ 4999 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 5000 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 5001 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 5002 } 5003 5004 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 5005 ArraySet<String> dexCodeInstructionSets = new ArraySet<String>(instructionSets.length); 5006 for (String instructionSet : instructionSets) { 5007 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 5008 } 5009 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 5010 } 5011 5012 /** 5013 * Returns deduplicated list of supported instructions for dex code. 5014 */ 5015 public static String[] getAllDexCodeInstructionSets() { 5016 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 5017 for (int i = 0; i < supportedInstructionSets.length; i++) { 5018 String abi = Build.SUPPORTED_ABIS[i]; 5019 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 5020 } 5021 return getDexCodeInstructionSets(supportedInstructionSets); 5022 } 5023 5024 @Override 5025 public void forceDexOpt(String packageName) { 5026 enforceSystemOrRoot("forceDexOpt"); 5027 5028 PackageParser.Package pkg; 5029 synchronized (mPackages) { 5030 pkg = mPackages.get(packageName); 5031 if (pkg == null) { 5032 throw new IllegalArgumentException("Missing package: " + packageName); 5033 } 5034 } 5035 5036 synchronized (mInstallLock) { 5037 final String[] instructionSets = new String[] { 5038 getPrimaryInstructionSet(pkg.applicationInfo) }; 5039 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 5040 if (res != DEX_OPT_PERFORMED) { 5041 throw new IllegalStateException("Failed to dexopt: " + res); 5042 } 5043 } 5044 } 5045 5046 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 5047 boolean forceDex, boolean defer, boolean inclDependencies) { 5048 ArraySet<String> done; 5049 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 5050 done = new ArraySet<String>(); 5051 done.add(pkg.packageName); 5052 } else { 5053 done = null; 5054 } 5055 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 5056 } 5057 5058 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5059 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5060 Slog.w(TAG, "Unable to update from " + oldPkg.name 5061 + " to " + newPkg.packageName 5062 + ": old package not in system partition"); 5063 return false; 5064 } else if (mPackages.get(oldPkg.name) != null) { 5065 Slog.w(TAG, "Unable to update from " + oldPkg.name 5066 + " to " + newPkg.packageName 5067 + ": old package still exists"); 5068 return false; 5069 } 5070 return true; 5071 } 5072 5073 File getDataPathForUser(int userId) { 5074 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 5075 } 5076 5077 private File getDataPathForPackage(String packageName, int userId) { 5078 /* 5079 * Until we fully support multiple users, return the directory we 5080 * previously would have. The PackageManagerTests will need to be 5081 * revised when this is changed back.. 5082 */ 5083 if (userId == 0) { 5084 return new File(mAppDataDir, packageName); 5085 } else { 5086 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5087 + File.separator + packageName); 5088 } 5089 } 5090 5091 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5092 int[] users = sUserManager.getUserIds(); 5093 int res = mInstaller.install(packageName, uid, uid, seinfo); 5094 if (res < 0) { 5095 return res; 5096 } 5097 for (int user : users) { 5098 if (user != 0) { 5099 res = mInstaller.createUserData(packageName, 5100 UserHandle.getUid(user, uid), user, seinfo); 5101 if (res < 0) { 5102 return res; 5103 } 5104 } 5105 } 5106 return res; 5107 } 5108 5109 private int removeDataDirsLI(String packageName) { 5110 int[] users = sUserManager.getUserIds(); 5111 int res = 0; 5112 for (int user : users) { 5113 int resInner = mInstaller.remove(packageName, user); 5114 if (resInner < 0) { 5115 res = resInner; 5116 } 5117 } 5118 5119 return res; 5120 } 5121 5122 private int deleteCodeCacheDirsLI(String packageName) { 5123 int[] users = sUserManager.getUserIds(); 5124 int res = 0; 5125 for (int user : users) { 5126 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5127 if (resInner < 0) { 5128 res = resInner; 5129 } 5130 } 5131 return res; 5132 } 5133 5134 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5135 PackageParser.Package changingLib) { 5136 if (file.path != null) { 5137 usesLibraryFiles.add(file.path); 5138 return; 5139 } 5140 PackageParser.Package p = mPackages.get(file.apk); 5141 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5142 // If we are doing this while in the middle of updating a library apk, 5143 // then we need to make sure to use that new apk for determining the 5144 // dependencies here. (We haven't yet finished committing the new apk 5145 // to the package manager state.) 5146 if (p == null || p.packageName.equals(changingLib.packageName)) { 5147 p = changingLib; 5148 } 5149 } 5150 if (p != null) { 5151 usesLibraryFiles.addAll(p.getAllCodePaths()); 5152 } 5153 } 5154 5155 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5156 PackageParser.Package changingLib) throws PackageManagerException { 5157 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5158 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5159 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5160 for (int i=0; i<N; i++) { 5161 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5162 if (file == null) { 5163 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5164 "Package " + pkg.packageName + " requires unavailable shared library " 5165 + pkg.usesLibraries.get(i) + "; failing!"); 5166 } 5167 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5168 } 5169 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5170 for (int i=0; i<N; i++) { 5171 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5172 if (file == null) { 5173 Slog.w(TAG, "Package " + pkg.packageName 5174 + " desires unavailable shared library " 5175 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5176 } else { 5177 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5178 } 5179 } 5180 N = usesLibraryFiles.size(); 5181 if (N > 0) { 5182 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5183 } else { 5184 pkg.usesLibraryFiles = null; 5185 } 5186 } 5187 } 5188 5189 private static boolean hasString(List<String> list, List<String> which) { 5190 if (list == null) { 5191 return false; 5192 } 5193 for (int i=list.size()-1; i>=0; i--) { 5194 for (int j=which.size()-1; j>=0; j--) { 5195 if (which.get(j).equals(list.get(i))) { 5196 return true; 5197 } 5198 } 5199 } 5200 return false; 5201 } 5202 5203 private void updateAllSharedLibrariesLPw() { 5204 for (PackageParser.Package pkg : mPackages.values()) { 5205 try { 5206 updateSharedLibrariesLPw(pkg, null); 5207 } catch (PackageManagerException e) { 5208 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5209 } 5210 } 5211 } 5212 5213 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5214 PackageParser.Package changingPkg) { 5215 ArrayList<PackageParser.Package> res = null; 5216 for (PackageParser.Package pkg : mPackages.values()) { 5217 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5218 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5219 if (res == null) { 5220 res = new ArrayList<PackageParser.Package>(); 5221 } 5222 res.add(pkg); 5223 try { 5224 updateSharedLibrariesLPw(pkg, changingPkg); 5225 } catch (PackageManagerException e) { 5226 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5227 } 5228 } 5229 } 5230 return res; 5231 } 5232 5233 /** 5234 * Derive the value of the {@code cpuAbiOverride} based on the provided 5235 * value and an optional stored value from the package settings. 5236 */ 5237 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5238 String cpuAbiOverride = null; 5239 5240 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5241 cpuAbiOverride = null; 5242 } else if (abiOverride != null) { 5243 cpuAbiOverride = abiOverride; 5244 } else if (settings != null) { 5245 cpuAbiOverride = settings.cpuAbiOverrideString; 5246 } 5247 5248 return cpuAbiOverride; 5249 } 5250 5251 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5252 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5253 boolean success = false; 5254 try { 5255 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5256 currentTime, user); 5257 success = true; 5258 return res; 5259 } finally { 5260 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5261 removeDataDirsLI(pkg.packageName); 5262 } 5263 } 5264 } 5265 5266 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5267 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5268 final File scanFile = new File(pkg.codePath); 5269 if (pkg.applicationInfo.getCodePath() == null || 5270 pkg.applicationInfo.getResourcePath() == null) { 5271 // Bail out. The resource and code paths haven't been set. 5272 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5273 "Code and resource paths haven't been set correctly"); 5274 } 5275 5276 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5277 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5278 } else { 5279 // Only allow system apps to be flagged as core apps. 5280 pkg.coreApp = false; 5281 } 5282 5283 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5284 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5285 } 5286 5287 if (mCustomResolverComponentName != null && 5288 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5289 setUpCustomResolverActivity(pkg); 5290 } 5291 5292 if (pkg.packageName.equals("android")) { 5293 synchronized (mPackages) { 5294 if (mAndroidApplication != null) { 5295 Slog.w(TAG, "*************************************************"); 5296 Slog.w(TAG, "Core android package being redefined. Skipping."); 5297 Slog.w(TAG, " file=" + scanFile); 5298 Slog.w(TAG, "*************************************************"); 5299 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5300 "Core android package being redefined. Skipping."); 5301 } 5302 5303 // Set up information for our fall-back user intent resolution activity. 5304 mPlatformPackage = pkg; 5305 pkg.mVersionCode = mSdkVersion; 5306 mAndroidApplication = pkg.applicationInfo; 5307 5308 if (!mResolverReplaced) { 5309 mResolveActivity.applicationInfo = mAndroidApplication; 5310 mResolveActivity.name = ResolverActivity.class.getName(); 5311 mResolveActivity.packageName = mAndroidApplication.packageName; 5312 mResolveActivity.processName = "system:ui"; 5313 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5314 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5315 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5316 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5317 mResolveActivity.exported = true; 5318 mResolveActivity.enabled = true; 5319 mResolveInfo.activityInfo = mResolveActivity; 5320 mResolveInfo.priority = 0; 5321 mResolveInfo.preferredOrder = 0; 5322 mResolveInfo.match = 0; 5323 mResolveComponentName = new ComponentName( 5324 mAndroidApplication.packageName, mResolveActivity.name); 5325 } 5326 } 5327 } 5328 5329 if (DEBUG_PACKAGE_SCANNING) { 5330 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5331 Log.d(TAG, "Scanning package " + pkg.packageName); 5332 } 5333 5334 if (mPackages.containsKey(pkg.packageName) 5335 || mSharedLibraries.containsKey(pkg.packageName)) { 5336 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5337 "Application package " + pkg.packageName 5338 + " already installed. Skipping duplicate."); 5339 } 5340 5341 // Initialize package source and resource directories 5342 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5343 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5344 5345 SharedUserSetting suid = null; 5346 PackageSetting pkgSetting = null; 5347 5348 if (!isSystemApp(pkg)) { 5349 // Only system apps can use these features. 5350 pkg.mOriginalPackages = null; 5351 pkg.mRealPackage = null; 5352 pkg.mAdoptPermissions = null; 5353 } 5354 5355 // writer 5356 synchronized (mPackages) { 5357 if (pkg.mSharedUserId != null) { 5358 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5359 if (suid == null) { 5360 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5361 "Creating application package " + pkg.packageName 5362 + " for shared user failed"); 5363 } 5364 if (DEBUG_PACKAGE_SCANNING) { 5365 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5366 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5367 + "): packages=" + suid.packages); 5368 } 5369 } 5370 5371 // Check if we are renaming from an original package name. 5372 PackageSetting origPackage = null; 5373 String realName = null; 5374 if (pkg.mOriginalPackages != null) { 5375 // This package may need to be renamed to a previously 5376 // installed name. Let's check on that... 5377 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5378 if (pkg.mOriginalPackages.contains(renamed)) { 5379 // This package had originally been installed as the 5380 // original name, and we have already taken care of 5381 // transitioning to the new one. Just update the new 5382 // one to continue using the old name. 5383 realName = pkg.mRealPackage; 5384 if (!pkg.packageName.equals(renamed)) { 5385 // Callers into this function may have already taken 5386 // care of renaming the package; only do it here if 5387 // it is not already done. 5388 pkg.setPackageName(renamed); 5389 } 5390 5391 } else { 5392 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5393 if ((origPackage = mSettings.peekPackageLPr( 5394 pkg.mOriginalPackages.get(i))) != null) { 5395 // We do have the package already installed under its 5396 // original name... should we use it? 5397 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5398 // New package is not compatible with original. 5399 origPackage = null; 5400 continue; 5401 } else if (origPackage.sharedUser != null) { 5402 // Make sure uid is compatible between packages. 5403 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5404 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5405 + " to " + pkg.packageName + ": old uid " 5406 + origPackage.sharedUser.name 5407 + " differs from " + pkg.mSharedUserId); 5408 origPackage = null; 5409 continue; 5410 } 5411 } else { 5412 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5413 + pkg.packageName + " to old name " + origPackage.name); 5414 } 5415 break; 5416 } 5417 } 5418 } 5419 } 5420 5421 if (mTransferedPackages.contains(pkg.packageName)) { 5422 Slog.w(TAG, "Package " + pkg.packageName 5423 + " was transferred to another, but its .apk remains"); 5424 } 5425 5426 // Just create the setting, don't add it yet. For already existing packages 5427 // the PkgSetting exists already and doesn't have to be created. 5428 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5429 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5430 pkg.applicationInfo.primaryCpuAbi, 5431 pkg.applicationInfo.secondaryCpuAbi, 5432 pkg.applicationInfo.flags, user, false); 5433 if (pkgSetting == null) { 5434 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5435 "Creating application package " + pkg.packageName + " failed"); 5436 } 5437 5438 if (pkgSetting.origPackage != null) { 5439 // If we are first transitioning from an original package, 5440 // fix up the new package's name now. We need to do this after 5441 // looking up the package under its new name, so getPackageLP 5442 // can take care of fiddling things correctly. 5443 pkg.setPackageName(origPackage.name); 5444 5445 // File a report about this. 5446 String msg = "New package " + pkgSetting.realName 5447 + " renamed to replace old package " + pkgSetting.name; 5448 reportSettingsProblem(Log.WARN, msg); 5449 5450 // Make a note of it. 5451 mTransferedPackages.add(origPackage.name); 5452 5453 // No longer need to retain this. 5454 pkgSetting.origPackage = null; 5455 } 5456 5457 if (realName != null) { 5458 // Make a note of it. 5459 mTransferedPackages.add(pkg.packageName); 5460 } 5461 5462 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5463 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5464 } 5465 5466 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5467 // Check all shared libraries and map to their actual file path. 5468 // We only do this here for apps not on a system dir, because those 5469 // are the only ones that can fail an install due to this. We 5470 // will take care of the system apps by updating all of their 5471 // library paths after the scan is done. 5472 updateSharedLibrariesLPw(pkg, null); 5473 } 5474 5475 if (mFoundPolicyFile) { 5476 SELinuxMMAC.assignSeinfoValue(pkg); 5477 } 5478 5479 pkg.applicationInfo.uid = pkgSetting.appId; 5480 pkg.mExtras = pkgSetting; 5481 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5482 try { 5483 verifySignaturesLP(pkgSetting, pkg); 5484 // We just determined the app is signed correctly, so bring 5485 // over the latest parsed certs. 5486 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5487 } catch (PackageManagerException e) { 5488 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5489 throw e; 5490 } 5491 // The signature has changed, but this package is in the system 5492 // image... let's recover! 5493 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5494 // However... if this package is part of a shared user, but it 5495 // doesn't match the signature of the shared user, let's fail. 5496 // What this means is that you can't change the signatures 5497 // associated with an overall shared user, which doesn't seem all 5498 // that unreasonable. 5499 if (pkgSetting.sharedUser != null) { 5500 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5501 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5502 throw new PackageManagerException( 5503 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5504 "Signature mismatch for shared user : " 5505 + pkgSetting.sharedUser); 5506 } 5507 } 5508 // File a report about this. 5509 String msg = "System package " + pkg.packageName 5510 + " signature changed; retaining data."; 5511 reportSettingsProblem(Log.WARN, msg); 5512 } 5513 } else { 5514 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5515 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5516 + pkg.packageName + " upgrade keys do not match the " 5517 + "previously installed version"); 5518 } else { 5519 // We just determined the app is signed correctly, so bring 5520 // over the latest parsed certs. 5521 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5522 } 5523 } 5524 // Verify that this new package doesn't have any content providers 5525 // that conflict with existing packages. Only do this if the 5526 // package isn't already installed, since we don't want to break 5527 // things that are installed. 5528 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5529 final int N = pkg.providers.size(); 5530 int i; 5531 for (i=0; i<N; i++) { 5532 PackageParser.Provider p = pkg.providers.get(i); 5533 if (p.info.authority != null) { 5534 String names[] = p.info.authority.split(";"); 5535 for (int j = 0; j < names.length; j++) { 5536 if (mProvidersByAuthority.containsKey(names[j])) { 5537 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5538 final String otherPackageName = 5539 ((other != null && other.getComponentName() != null) ? 5540 other.getComponentName().getPackageName() : "?"); 5541 throw new PackageManagerException( 5542 INSTALL_FAILED_CONFLICTING_PROVIDER, 5543 "Can't install because provider name " + names[j] 5544 + " (in package " + pkg.applicationInfo.packageName 5545 + ") is already used by " + otherPackageName); 5546 } 5547 } 5548 } 5549 } 5550 } 5551 5552 if (pkg.mAdoptPermissions != null) { 5553 // This package wants to adopt ownership of permissions from 5554 // another package. 5555 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5556 final String origName = pkg.mAdoptPermissions.get(i); 5557 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5558 if (orig != null) { 5559 if (verifyPackageUpdateLPr(orig, pkg)) { 5560 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5561 + pkg.packageName); 5562 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5563 } 5564 } 5565 } 5566 } 5567 } 5568 5569 final String pkgName = pkg.packageName; 5570 5571 final long scanFileTime = scanFile.lastModified(); 5572 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5573 pkg.applicationInfo.processName = fixProcessName( 5574 pkg.applicationInfo.packageName, 5575 pkg.applicationInfo.processName, 5576 pkg.applicationInfo.uid); 5577 5578 File dataPath; 5579 if (mPlatformPackage == pkg) { 5580 // The system package is special. 5581 dataPath = new File(Environment.getDataDirectory(), "system"); 5582 5583 pkg.applicationInfo.dataDir = dataPath.getPath(); 5584 5585 } else { 5586 // This is a normal package, need to make its data directory. 5587 dataPath = getDataPathForPackage(pkg.packageName, 0); 5588 5589 boolean uidError = false; 5590 if (dataPath.exists()) { 5591 int currentUid = 0; 5592 try { 5593 StructStat stat = Os.stat(dataPath.getPath()); 5594 currentUid = stat.st_uid; 5595 } catch (ErrnoException e) { 5596 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5597 } 5598 5599 // If we have mismatched owners for the data path, we have a problem. 5600 if (currentUid != pkg.applicationInfo.uid) { 5601 boolean recovered = false; 5602 if (currentUid == 0) { 5603 // The directory somehow became owned by root. Wow. 5604 // This is probably because the system was stopped while 5605 // installd was in the middle of messing with its libs 5606 // directory. Ask installd to fix that. 5607 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5608 pkg.applicationInfo.uid); 5609 if (ret >= 0) { 5610 recovered = true; 5611 String msg = "Package " + pkg.packageName 5612 + " unexpectedly changed to uid 0; recovered to " + 5613 + pkg.applicationInfo.uid; 5614 reportSettingsProblem(Log.WARN, msg); 5615 } 5616 } 5617 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5618 || (scanFlags&SCAN_BOOTING) != 0)) { 5619 // If this is a system app, we can at least delete its 5620 // current data so the application will still work. 5621 int ret = removeDataDirsLI(pkgName); 5622 if (ret >= 0) { 5623 // TODO: Kill the processes first 5624 // Old data gone! 5625 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5626 ? "System package " : "Third party package "; 5627 String msg = prefix + pkg.packageName 5628 + " has changed from uid: " 5629 + currentUid + " to " 5630 + pkg.applicationInfo.uid + "; old data erased"; 5631 reportSettingsProblem(Log.WARN, msg); 5632 recovered = true; 5633 5634 // And now re-install the app. 5635 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5636 pkg.applicationInfo.seinfo); 5637 if (ret == -1) { 5638 // Ack should not happen! 5639 msg = prefix + pkg.packageName 5640 + " could not have data directory re-created after delete."; 5641 reportSettingsProblem(Log.WARN, msg); 5642 throw new PackageManagerException( 5643 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5644 } 5645 } 5646 if (!recovered) { 5647 mHasSystemUidErrors = true; 5648 } 5649 } else if (!recovered) { 5650 // If we allow this install to proceed, we will be broken. 5651 // Abort, abort! 5652 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5653 "scanPackageLI"); 5654 } 5655 if (!recovered) { 5656 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5657 + pkg.applicationInfo.uid + "/fs_" 5658 + currentUid; 5659 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5660 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5661 String msg = "Package " + pkg.packageName 5662 + " has mismatched uid: " 5663 + currentUid + " on disk, " 5664 + pkg.applicationInfo.uid + " in settings"; 5665 // writer 5666 synchronized (mPackages) { 5667 mSettings.mReadMessages.append(msg); 5668 mSettings.mReadMessages.append('\n'); 5669 uidError = true; 5670 if (!pkgSetting.uidError) { 5671 reportSettingsProblem(Log.ERROR, msg); 5672 } 5673 } 5674 } 5675 } 5676 pkg.applicationInfo.dataDir = dataPath.getPath(); 5677 if (mShouldRestoreconData) { 5678 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5679 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5680 pkg.applicationInfo.uid); 5681 } 5682 } else { 5683 if (DEBUG_PACKAGE_SCANNING) { 5684 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5685 Log.v(TAG, "Want this data dir: " + dataPath); 5686 } 5687 //invoke installer to do the actual installation 5688 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5689 pkg.applicationInfo.seinfo); 5690 if (ret < 0) { 5691 // Error from installer 5692 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5693 "Unable to create data dirs [errorCode=" + ret + "]"); 5694 } 5695 5696 if (dataPath.exists()) { 5697 pkg.applicationInfo.dataDir = dataPath.getPath(); 5698 } else { 5699 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5700 pkg.applicationInfo.dataDir = null; 5701 } 5702 } 5703 5704 pkgSetting.uidError = uidError; 5705 } 5706 5707 final String path = scanFile.getPath(); 5708 final String codePath = pkg.applicationInfo.getCodePath(); 5709 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5710 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5711 setBundledAppAbisAndRoots(pkg, pkgSetting); 5712 5713 // If we haven't found any native libraries for the app, check if it has 5714 // renderscript code. We'll need to force the app to 32 bit if it has 5715 // renderscript bitcode. 5716 if (pkg.applicationInfo.primaryCpuAbi == null 5717 && pkg.applicationInfo.secondaryCpuAbi == null 5718 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5719 NativeLibraryHelper.Handle handle = null; 5720 try { 5721 handle = NativeLibraryHelper.Handle.create(scanFile); 5722 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5723 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5724 } 5725 } catch (IOException ioe) { 5726 Slog.w(TAG, "Error scanning system app : " + ioe); 5727 } finally { 5728 IoUtils.closeQuietly(handle); 5729 } 5730 } 5731 5732 setNativeLibraryPaths(pkg); 5733 } else { 5734 // TODO: We can probably be smarter about this stuff. For installed apps, 5735 // we can calculate this information at install time once and for all. For 5736 // system apps, we can probably assume that this information doesn't change 5737 // after the first boot scan. As things stand, we do lots of unnecessary work. 5738 5739 // Give ourselves some initial paths; we'll come back for another 5740 // pass once we've determined ABI below. 5741 setNativeLibraryPaths(pkg); 5742 5743 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5744 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5745 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5746 5747 NativeLibraryHelper.Handle handle = null; 5748 try { 5749 handle = NativeLibraryHelper.Handle.create(scanFile); 5750 // TODO(multiArch): This can be null for apps that didn't go through the 5751 // usual installation process. We can calculate it again, like we 5752 // do during install time. 5753 // 5754 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5755 // unnecessary. 5756 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5757 5758 // Null out the abis so that they can be recalculated. 5759 pkg.applicationInfo.primaryCpuAbi = null; 5760 pkg.applicationInfo.secondaryCpuAbi = null; 5761 if (isMultiArch(pkg.applicationInfo)) { 5762 // Warn if we've set an abiOverride for multi-lib packages.. 5763 // By definition, we need to copy both 32 and 64 bit libraries for 5764 // such packages. 5765 if (pkg.cpuAbiOverride != null 5766 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5767 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5768 } 5769 5770 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5771 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5772 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5773 if (isAsec) { 5774 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5775 } else { 5776 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5777 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5778 useIsaSpecificSubdirs); 5779 } 5780 } 5781 5782 maybeThrowExceptionForMultiArchCopy( 5783 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5784 5785 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5786 if (isAsec) { 5787 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5788 } else { 5789 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5790 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5791 useIsaSpecificSubdirs); 5792 } 5793 } 5794 5795 maybeThrowExceptionForMultiArchCopy( 5796 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5797 5798 if (abi64 >= 0) { 5799 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5800 } 5801 5802 if (abi32 >= 0) { 5803 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5804 if (abi64 >= 0) { 5805 pkg.applicationInfo.secondaryCpuAbi = abi; 5806 } else { 5807 pkg.applicationInfo.primaryCpuAbi = abi; 5808 } 5809 } 5810 } else { 5811 String[] abiList = (cpuAbiOverride != null) ? 5812 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5813 5814 // Enable gross and lame hacks for apps that are built with old 5815 // SDK tools. We must scan their APKs for renderscript bitcode and 5816 // not launch them if it's present. Don't bother checking on devices 5817 // that don't have 64 bit support. 5818 boolean needsRenderScriptOverride = false; 5819 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5820 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5821 abiList = Build.SUPPORTED_32_BIT_ABIS; 5822 needsRenderScriptOverride = true; 5823 } 5824 5825 final int copyRet; 5826 if (isAsec) { 5827 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5828 } else { 5829 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5830 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5831 } 5832 5833 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5834 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5835 "Error unpackaging native libs for app, errorCode=" + copyRet); 5836 } 5837 5838 if (copyRet >= 0) { 5839 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5840 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5841 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5842 } else if (needsRenderScriptOverride) { 5843 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5844 } 5845 } 5846 } catch (IOException ioe) { 5847 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5848 } finally { 5849 IoUtils.closeQuietly(handle); 5850 } 5851 5852 // Now that we've calculated the ABIs and determined if it's an internal app, 5853 // we will go ahead and populate the nativeLibraryPath. 5854 setNativeLibraryPaths(pkg); 5855 5856 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5857 final int[] userIds = sUserManager.getUserIds(); 5858 synchronized (mInstallLock) { 5859 // Create a native library symlink only if we have native libraries 5860 // and if the native libraries are 32 bit libraries. We do not provide 5861 // this symlink for 64 bit libraries. 5862 if (pkg.applicationInfo.primaryCpuAbi != null && 5863 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5864 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5865 for (int userId : userIds) { 5866 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5867 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5868 "Failed linking native library dir (user=" + userId + ")"); 5869 } 5870 } 5871 } 5872 } 5873 } 5874 5875 // This is a special case for the "system" package, where the ABI is 5876 // dictated by the zygote configuration (and init.rc). We should keep track 5877 // of this ABI so that we can deal with "normal" applications that run under 5878 // the same UID correctly. 5879 if (mPlatformPackage == pkg) { 5880 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5881 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5882 } 5883 5884 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5885 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5886 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5887 // Copy the derived override back to the parsed package, so that we can 5888 // update the package settings accordingly. 5889 pkg.cpuAbiOverride = cpuAbiOverride; 5890 5891 if (DEBUG_ABI_SELECTION) { 5892 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5893 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5894 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5895 } 5896 5897 // Push the derived path down into PackageSettings so we know what to 5898 // clean up at uninstall time. 5899 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5900 5901 if (DEBUG_ABI_SELECTION) { 5902 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5903 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5904 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5905 } 5906 5907 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5908 // We don't do this here during boot because we can do it all 5909 // at once after scanning all existing packages. 5910 // 5911 // We also do this *before* we perform dexopt on this package, so that 5912 // we can avoid redundant dexopts, and also to make sure we've got the 5913 // code and package path correct. 5914 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5915 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5916 } 5917 5918 if ((scanFlags & SCAN_NO_DEX) == 0) { 5919 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5920 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5921 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5922 } 5923 } 5924 5925 if (mFactoryTest && pkg.requestedPermissions.contains( 5926 android.Manifest.permission.FACTORY_TEST)) { 5927 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5928 } 5929 5930 ArrayList<PackageParser.Package> clientLibPkgs = null; 5931 5932 // writer 5933 synchronized (mPackages) { 5934 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5935 // Only system apps can add new shared libraries. 5936 if (pkg.libraryNames != null) { 5937 for (int i=0; i<pkg.libraryNames.size(); i++) { 5938 String name = pkg.libraryNames.get(i); 5939 boolean allowed = false; 5940 if (isUpdatedSystemApp(pkg)) { 5941 // New library entries can only be added through the 5942 // system image. This is important to get rid of a lot 5943 // of nasty edge cases: for example if we allowed a non- 5944 // system update of the app to add a library, then uninstalling 5945 // the update would make the library go away, and assumptions 5946 // we made such as through app install filtering would now 5947 // have allowed apps on the device which aren't compatible 5948 // with it. Better to just have the restriction here, be 5949 // conservative, and create many fewer cases that can negatively 5950 // impact the user experience. 5951 final PackageSetting sysPs = mSettings 5952 .getDisabledSystemPkgLPr(pkg.packageName); 5953 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5954 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5955 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5956 allowed = true; 5957 allowed = true; 5958 break; 5959 } 5960 } 5961 } 5962 } else { 5963 allowed = true; 5964 } 5965 if (allowed) { 5966 if (!mSharedLibraries.containsKey(name)) { 5967 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5968 } else if (!name.equals(pkg.packageName)) { 5969 Slog.w(TAG, "Package " + pkg.packageName + " library " 5970 + name + " already exists; skipping"); 5971 } 5972 } else { 5973 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5974 + name + " that is not declared on system image; skipping"); 5975 } 5976 } 5977 if ((scanFlags&SCAN_BOOTING) == 0) { 5978 // If we are not booting, we need to update any applications 5979 // that are clients of our shared library. If we are booting, 5980 // this will all be done once the scan is complete. 5981 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5982 } 5983 } 5984 } 5985 } 5986 5987 // We also need to dexopt any apps that are dependent on this library. Note that 5988 // if these fail, we should abort the install since installing the library will 5989 // result in some apps being broken. 5990 if (clientLibPkgs != null) { 5991 if ((scanFlags & SCAN_NO_DEX) == 0) { 5992 for (int i = 0; i < clientLibPkgs.size(); i++) { 5993 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5994 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5995 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5996 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5997 "scanPackageLI failed to dexopt clientLibPkgs"); 5998 } 5999 } 6000 } 6001 } 6002 6003 // Request the ActivityManager to kill the process(only for existing packages) 6004 // so that we do not end up in a confused state while the user is still using the older 6005 // version of the application while the new one gets installed. 6006 if ((scanFlags & SCAN_REPLACING) != 0) { 6007 killApplication(pkg.applicationInfo.packageName, 6008 pkg.applicationInfo.uid, "update pkg"); 6009 } 6010 6011 // Also need to kill any apps that are dependent on the library. 6012 if (clientLibPkgs != null) { 6013 for (int i=0; i<clientLibPkgs.size(); i++) { 6014 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6015 killApplication(clientPkg.applicationInfo.packageName, 6016 clientPkg.applicationInfo.uid, "update lib"); 6017 } 6018 } 6019 6020 // writer 6021 synchronized (mPackages) { 6022 // We don't expect installation to fail beyond this point 6023 6024 // Add the new setting to mSettings 6025 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 6026 // Add the new setting to mPackages 6027 mPackages.put(pkg.applicationInfo.packageName, pkg); 6028 // Make sure we don't accidentally delete its data. 6029 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 6030 while (iter.hasNext()) { 6031 PackageCleanItem item = iter.next(); 6032 if (pkgName.equals(item.packageName)) { 6033 iter.remove(); 6034 } 6035 } 6036 6037 // Take care of first install / last update times. 6038 if (currentTime != 0) { 6039 if (pkgSetting.firstInstallTime == 0) { 6040 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 6041 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 6042 pkgSetting.lastUpdateTime = currentTime; 6043 } 6044 } else if (pkgSetting.firstInstallTime == 0) { 6045 // We need *something*. Take time time stamp of the file. 6046 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 6047 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 6048 if (scanFileTime != pkgSetting.timeStamp) { 6049 // A package on the system image has changed; consider this 6050 // to be an update. 6051 pkgSetting.lastUpdateTime = scanFileTime; 6052 } 6053 } 6054 6055 // Add the package's KeySets to the global KeySetManagerService 6056 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6057 try { 6058 // Old KeySetData no longer valid. 6059 ksms.removeAppKeySetDataLPw(pkg.packageName); 6060 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6061 if (pkg.mKeySetMapping != null) { 6062 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6063 pkg.mKeySetMapping.entrySet()) { 6064 if (entry.getValue() != null) { 6065 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6066 entry.getValue(), entry.getKey()); 6067 } 6068 } 6069 if (pkg.mUpgradeKeySets != null) { 6070 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6071 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6072 } 6073 } 6074 } 6075 } catch (NullPointerException e) { 6076 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6077 } catch (IllegalArgumentException e) { 6078 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6079 } 6080 6081 int N = pkg.providers.size(); 6082 StringBuilder r = null; 6083 int i; 6084 for (i=0; i<N; i++) { 6085 PackageParser.Provider p = pkg.providers.get(i); 6086 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6087 p.info.processName, pkg.applicationInfo.uid); 6088 mProviders.addProvider(p); 6089 p.syncable = p.info.isSyncable; 6090 if (p.info.authority != null) { 6091 String names[] = p.info.authority.split(";"); 6092 p.info.authority = null; 6093 for (int j = 0; j < names.length; j++) { 6094 if (j == 1 && p.syncable) { 6095 // We only want the first authority for a provider to possibly be 6096 // syncable, so if we already added this provider using a different 6097 // authority clear the syncable flag. We copy the provider before 6098 // changing it because the mProviders object contains a reference 6099 // to a provider that we don't want to change. 6100 // Only do this for the second authority since the resulting provider 6101 // object can be the same for all future authorities for this provider. 6102 p = new PackageParser.Provider(p); 6103 p.syncable = false; 6104 } 6105 if (!mProvidersByAuthority.containsKey(names[j])) { 6106 mProvidersByAuthority.put(names[j], p); 6107 if (p.info.authority == null) { 6108 p.info.authority = names[j]; 6109 } else { 6110 p.info.authority = p.info.authority + ";" + names[j]; 6111 } 6112 if (DEBUG_PACKAGE_SCANNING) { 6113 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6114 Log.d(TAG, "Registered content provider: " + names[j] 6115 + ", className = " + p.info.name + ", isSyncable = " 6116 + p.info.isSyncable); 6117 } 6118 } else { 6119 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6120 Slog.w(TAG, "Skipping provider name " + names[j] + 6121 " (in package " + pkg.applicationInfo.packageName + 6122 "): name already used by " 6123 + ((other != null && other.getComponentName() != null) 6124 ? other.getComponentName().getPackageName() : "?")); 6125 } 6126 } 6127 } 6128 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6129 if (r == null) { 6130 r = new StringBuilder(256); 6131 } else { 6132 r.append(' '); 6133 } 6134 r.append(p.info.name); 6135 } 6136 } 6137 if (r != null) { 6138 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6139 } 6140 6141 N = pkg.services.size(); 6142 r = null; 6143 for (i=0; i<N; i++) { 6144 PackageParser.Service s = pkg.services.get(i); 6145 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6146 s.info.processName, pkg.applicationInfo.uid); 6147 mServices.addService(s); 6148 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6149 if (r == null) { 6150 r = new StringBuilder(256); 6151 } else { 6152 r.append(' '); 6153 } 6154 r.append(s.info.name); 6155 } 6156 } 6157 if (r != null) { 6158 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6159 } 6160 6161 N = pkg.receivers.size(); 6162 r = null; 6163 for (i=0; i<N; i++) { 6164 PackageParser.Activity a = pkg.receivers.get(i); 6165 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6166 a.info.processName, pkg.applicationInfo.uid); 6167 mReceivers.addActivity(a, "receiver"); 6168 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6169 if (r == null) { 6170 r = new StringBuilder(256); 6171 } else { 6172 r.append(' '); 6173 } 6174 r.append(a.info.name); 6175 } 6176 } 6177 if (r != null) { 6178 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6179 } 6180 6181 N = pkg.activities.size(); 6182 r = null; 6183 for (i=0; i<N; i++) { 6184 PackageParser.Activity a = pkg.activities.get(i); 6185 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6186 a.info.processName, pkg.applicationInfo.uid); 6187 mActivities.addActivity(a, "activity"); 6188 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6189 if (r == null) { 6190 r = new StringBuilder(256); 6191 } else { 6192 r.append(' '); 6193 } 6194 r.append(a.info.name); 6195 } 6196 } 6197 if (r != null) { 6198 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6199 } 6200 6201 N = pkg.permissionGroups.size(); 6202 r = null; 6203 for (i=0; i<N; i++) { 6204 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6205 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6206 if (cur == null) { 6207 mPermissionGroups.put(pg.info.name, pg); 6208 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6209 if (r == null) { 6210 r = new StringBuilder(256); 6211 } else { 6212 r.append(' '); 6213 } 6214 r.append(pg.info.name); 6215 } 6216 } else { 6217 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6218 + pg.info.packageName + " ignored: original from " 6219 + cur.info.packageName); 6220 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6221 if (r == null) { 6222 r = new StringBuilder(256); 6223 } else { 6224 r.append(' '); 6225 } 6226 r.append("DUP:"); 6227 r.append(pg.info.name); 6228 } 6229 } 6230 } 6231 if (r != null) { 6232 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6233 } 6234 6235 N = pkg.permissions.size(); 6236 r = null; 6237 for (i=0; i<N; i++) { 6238 PackageParser.Permission p = pkg.permissions.get(i); 6239 ArrayMap<String, BasePermission> permissionMap = 6240 p.tree ? mSettings.mPermissionTrees 6241 : mSettings.mPermissions; 6242 p.group = mPermissionGroups.get(p.info.group); 6243 if (p.info.group == null || p.group != null) { 6244 BasePermission bp = permissionMap.get(p.info.name); 6245 6246 // Allow system apps to redefine non-system permissions 6247 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6248 final boolean currentOwnerIsSystem = (bp.perm != null 6249 && isSystemApp(bp.perm.owner)); 6250 if (isSystemApp(p.owner)) { 6251 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6252 // It's a built-in permission and no owner, take ownership now 6253 bp.packageSetting = pkgSetting; 6254 bp.perm = p; 6255 bp.uid = pkg.applicationInfo.uid; 6256 bp.sourcePackage = p.info.packageName; 6257 } else if (!currentOwnerIsSystem) { 6258 String msg = "New decl " + p.owner + " of permission " 6259 + p.info.name + " is system; overriding " + bp.sourcePackage; 6260 reportSettingsProblem(Log.WARN, msg); 6261 bp = null; 6262 } 6263 } 6264 } 6265 6266 if (bp == null) { 6267 bp = new BasePermission(p.info.name, p.info.packageName, 6268 BasePermission.TYPE_NORMAL); 6269 permissionMap.put(p.info.name, bp); 6270 } 6271 6272 if (bp.perm == null) { 6273 if (bp.sourcePackage == null 6274 || bp.sourcePackage.equals(p.info.packageName)) { 6275 BasePermission tree = findPermissionTreeLP(p.info.name); 6276 if (tree == null 6277 || tree.sourcePackage.equals(p.info.packageName)) { 6278 bp.packageSetting = pkgSetting; 6279 bp.perm = p; 6280 bp.uid = pkg.applicationInfo.uid; 6281 bp.sourcePackage = p.info.packageName; 6282 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6283 if (r == null) { 6284 r = new StringBuilder(256); 6285 } else { 6286 r.append(' '); 6287 } 6288 r.append(p.info.name); 6289 } 6290 } else { 6291 Slog.w(TAG, "Permission " + p.info.name + " from package " 6292 + p.info.packageName + " ignored: base tree " 6293 + tree.name + " is from package " 6294 + tree.sourcePackage); 6295 } 6296 } else { 6297 Slog.w(TAG, "Permission " + p.info.name + " from package " 6298 + p.info.packageName + " ignored: original from " 6299 + bp.sourcePackage); 6300 } 6301 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6302 if (r == null) { 6303 r = new StringBuilder(256); 6304 } else { 6305 r.append(' '); 6306 } 6307 r.append("DUP:"); 6308 r.append(p.info.name); 6309 } 6310 if (bp.perm == p) { 6311 bp.protectionLevel = p.info.protectionLevel; 6312 } 6313 } else { 6314 Slog.w(TAG, "Permission " + p.info.name + " from package " 6315 + p.info.packageName + " ignored: no group " 6316 + p.group); 6317 } 6318 } 6319 if (r != null) { 6320 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6321 } 6322 6323 N = pkg.instrumentation.size(); 6324 r = null; 6325 for (i=0; i<N; i++) { 6326 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6327 a.info.packageName = pkg.applicationInfo.packageName; 6328 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6329 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6330 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6331 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6332 a.info.dataDir = pkg.applicationInfo.dataDir; 6333 6334 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6335 // need other information about the application, like the ABI and what not ? 6336 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6337 mInstrumentation.put(a.getComponentName(), a); 6338 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6339 if (r == null) { 6340 r = new StringBuilder(256); 6341 } else { 6342 r.append(' '); 6343 } 6344 r.append(a.info.name); 6345 } 6346 } 6347 if (r != null) { 6348 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6349 } 6350 6351 if (pkg.protectedBroadcasts != null) { 6352 N = pkg.protectedBroadcasts.size(); 6353 for (i=0; i<N; i++) { 6354 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6355 } 6356 } 6357 6358 pkgSetting.setTimeStamp(scanFileTime); 6359 6360 // Create idmap files for pairs of (packages, overlay packages). 6361 // Note: "android", ie framework-res.apk, is handled by native layers. 6362 if (pkg.mOverlayTarget != null) { 6363 // This is an overlay package. 6364 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6365 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6366 mOverlays.put(pkg.mOverlayTarget, 6367 new ArrayMap<String, PackageParser.Package>()); 6368 } 6369 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6370 map.put(pkg.packageName, pkg); 6371 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6372 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6373 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6374 "scanPackageLI failed to createIdmap"); 6375 } 6376 } 6377 } else if (mOverlays.containsKey(pkg.packageName) && 6378 !pkg.packageName.equals("android")) { 6379 // This is a regular package, with one or more known overlay packages. 6380 createIdmapsForPackageLI(pkg); 6381 } 6382 } 6383 6384 return pkg; 6385 } 6386 6387 /** 6388 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6389 * i.e, so that all packages can be run inside a single process if required. 6390 * 6391 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6392 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6393 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6394 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6395 * updating a package that belongs to a shared user. 6396 * 6397 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6398 * adds unnecessary complexity. 6399 */ 6400 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6401 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6402 String requiredInstructionSet = null; 6403 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6404 requiredInstructionSet = VMRuntime.getInstructionSet( 6405 scannedPackage.applicationInfo.primaryCpuAbi); 6406 } 6407 6408 PackageSetting requirer = null; 6409 for (PackageSetting ps : packagesForUser) { 6410 // If packagesForUser contains scannedPackage, we skip it. This will happen 6411 // when scannedPackage is an update of an existing package. Without this check, 6412 // we will never be able to change the ABI of any package belonging to a shared 6413 // user, even if it's compatible with other packages. 6414 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6415 if (ps.primaryCpuAbiString == null) { 6416 continue; 6417 } 6418 6419 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6420 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6421 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6422 // this but there's not much we can do. 6423 String errorMessage = "Instruction set mismatch, " 6424 + ((requirer == null) ? "[caller]" : requirer) 6425 + " requires " + requiredInstructionSet + " whereas " + ps 6426 + " requires " + instructionSet; 6427 Slog.w(TAG, errorMessage); 6428 } 6429 6430 if (requiredInstructionSet == null) { 6431 requiredInstructionSet = instructionSet; 6432 requirer = ps; 6433 } 6434 } 6435 } 6436 6437 if (requiredInstructionSet != null) { 6438 String adjustedAbi; 6439 if (requirer != null) { 6440 // requirer != null implies that either scannedPackage was null or that scannedPackage 6441 // did not require an ABI, in which case we have to adjust scannedPackage to match 6442 // the ABI of the set (which is the same as requirer's ABI) 6443 adjustedAbi = requirer.primaryCpuAbiString; 6444 if (scannedPackage != null) { 6445 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6446 } 6447 } else { 6448 // requirer == null implies that we're updating all ABIs in the set to 6449 // match scannedPackage. 6450 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6451 } 6452 6453 for (PackageSetting ps : packagesForUser) { 6454 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6455 if (ps.primaryCpuAbiString != null) { 6456 continue; 6457 } 6458 6459 ps.primaryCpuAbiString = adjustedAbi; 6460 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6461 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6462 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6463 6464 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6465 deferDexOpt, true) == DEX_OPT_FAILED) { 6466 ps.primaryCpuAbiString = null; 6467 ps.pkg.applicationInfo.primaryCpuAbi = null; 6468 return; 6469 } else { 6470 mInstaller.rmdex(ps.codePathString, 6471 getDexCodeInstructionSet(getPreferredInstructionSet())); 6472 } 6473 } 6474 } 6475 } 6476 } 6477 } 6478 6479 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6480 synchronized (mPackages) { 6481 mResolverReplaced = true; 6482 // Set up information for custom user intent resolution activity. 6483 mResolveActivity.applicationInfo = pkg.applicationInfo; 6484 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6485 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6486 mResolveActivity.processName = pkg.applicationInfo.packageName; 6487 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6488 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6489 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6490 mResolveActivity.theme = 0; 6491 mResolveActivity.exported = true; 6492 mResolveActivity.enabled = true; 6493 mResolveInfo.activityInfo = mResolveActivity; 6494 mResolveInfo.priority = 0; 6495 mResolveInfo.preferredOrder = 0; 6496 mResolveInfo.match = 0; 6497 mResolveComponentName = mCustomResolverComponentName; 6498 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6499 mResolveComponentName); 6500 } 6501 } 6502 6503 private static String calculateBundledApkRoot(final String codePathString) { 6504 final File codePath = new File(codePathString); 6505 final File codeRoot; 6506 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6507 codeRoot = Environment.getRootDirectory(); 6508 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6509 codeRoot = Environment.getOemDirectory(); 6510 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6511 codeRoot = Environment.getVendorDirectory(); 6512 } else { 6513 // Unrecognized code path; take its top real segment as the apk root: 6514 // e.g. /something/app/blah.apk => /something 6515 try { 6516 File f = codePath.getCanonicalFile(); 6517 File parent = f.getParentFile(); // non-null because codePath is a file 6518 File tmp; 6519 while ((tmp = parent.getParentFile()) != null) { 6520 f = parent; 6521 parent = tmp; 6522 } 6523 codeRoot = f; 6524 Slog.w(TAG, "Unrecognized code path " 6525 + codePath + " - using " + codeRoot); 6526 } catch (IOException e) { 6527 // Can't canonicalize the code path -- shenanigans? 6528 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6529 return Environment.getRootDirectory().getPath(); 6530 } 6531 } 6532 return codeRoot.getPath(); 6533 } 6534 6535 /** 6536 * Derive and set the location of native libraries for the given package, 6537 * which varies depending on where and how the package was installed. 6538 */ 6539 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6540 final ApplicationInfo info = pkg.applicationInfo; 6541 final String codePath = pkg.codePath; 6542 final File codeFile = new File(codePath); 6543 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6544 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6545 6546 info.nativeLibraryRootDir = null; 6547 info.nativeLibraryRootRequiresIsa = false; 6548 info.nativeLibraryDir = null; 6549 info.secondaryNativeLibraryDir = null; 6550 6551 if (isApkFile(codeFile)) { 6552 // Monolithic install 6553 if (bundledApp) { 6554 // If "/system/lib64/apkname" exists, assume that is the per-package 6555 // native library directory to use; otherwise use "/system/lib/apkname". 6556 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6557 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6558 getPrimaryInstructionSet(info)); 6559 6560 // This is a bundled system app so choose the path based on the ABI. 6561 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6562 // is just the default path. 6563 final String apkName = deriveCodePathName(codePath); 6564 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6565 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6566 apkName).getAbsolutePath(); 6567 6568 if (info.secondaryCpuAbi != null) { 6569 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6570 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6571 secondaryLibDir, apkName).getAbsolutePath(); 6572 } 6573 } else if (asecApp) { 6574 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6575 .getAbsolutePath(); 6576 } else { 6577 final String apkName = deriveCodePathName(codePath); 6578 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6579 .getAbsolutePath(); 6580 } 6581 6582 info.nativeLibraryRootRequiresIsa = false; 6583 info.nativeLibraryDir = info.nativeLibraryRootDir; 6584 } else { 6585 // Cluster install 6586 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6587 info.nativeLibraryRootRequiresIsa = true; 6588 6589 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6590 getPrimaryInstructionSet(info)).getAbsolutePath(); 6591 6592 if (info.secondaryCpuAbi != null) { 6593 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6594 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6595 } 6596 } 6597 } 6598 6599 /** 6600 * Calculate the abis and roots for a bundled app. These can uniquely 6601 * be determined from the contents of the system partition, i.e whether 6602 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6603 * of this information, and instead assume that the system was built 6604 * sensibly. 6605 */ 6606 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6607 PackageSetting pkgSetting) { 6608 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6609 6610 // If "/system/lib64/apkname" exists, assume that is the per-package 6611 // native library directory to use; otherwise use "/system/lib/apkname". 6612 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6613 setBundledAppAbi(pkg, apkRoot, apkName); 6614 // pkgSetting might be null during rescan following uninstall of updates 6615 // to a bundled app, so accommodate that possibility. The settings in 6616 // that case will be established later from the parsed package. 6617 // 6618 // If the settings aren't null, sync them up with what we've just derived. 6619 // note that apkRoot isn't stored in the package settings. 6620 if (pkgSetting != null) { 6621 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6622 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6623 } 6624 } 6625 6626 /** 6627 * Deduces the ABI of a bundled app and sets the relevant fields on the 6628 * parsed pkg object. 6629 * 6630 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6631 * under which system libraries are installed. 6632 * @param apkName the name of the installed package. 6633 */ 6634 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6635 final File codeFile = new File(pkg.codePath); 6636 6637 final boolean has64BitLibs; 6638 final boolean has32BitLibs; 6639 if (isApkFile(codeFile)) { 6640 // Monolithic install 6641 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6642 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6643 } else { 6644 // Cluster install 6645 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6646 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6647 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6648 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6649 has64BitLibs = (new File(rootDir, isa)).exists(); 6650 } else { 6651 has64BitLibs = false; 6652 } 6653 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6654 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6655 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6656 has32BitLibs = (new File(rootDir, isa)).exists(); 6657 } else { 6658 has32BitLibs = false; 6659 } 6660 } 6661 6662 if (has64BitLibs && !has32BitLibs) { 6663 // The package has 64 bit libs, but not 32 bit libs. Its primary 6664 // ABI should be 64 bit. We can safely assume here that the bundled 6665 // native libraries correspond to the most preferred ABI in the list. 6666 6667 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6668 pkg.applicationInfo.secondaryCpuAbi = null; 6669 } else if (has32BitLibs && !has64BitLibs) { 6670 // The package has 32 bit libs but not 64 bit libs. Its primary 6671 // ABI should be 32 bit. 6672 6673 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6674 pkg.applicationInfo.secondaryCpuAbi = null; 6675 } else if (has32BitLibs && has64BitLibs) { 6676 // The application has both 64 and 32 bit bundled libraries. We check 6677 // here that the app declares multiArch support, and warn if it doesn't. 6678 // 6679 // We will be lenient here and record both ABIs. The primary will be the 6680 // ABI that's higher on the list, i.e, a device that's configured to prefer 6681 // 64 bit apps will see a 64 bit primary ABI, 6682 6683 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6684 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6685 } 6686 6687 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6688 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6689 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6690 } else { 6691 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6692 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6693 } 6694 } else { 6695 pkg.applicationInfo.primaryCpuAbi = null; 6696 pkg.applicationInfo.secondaryCpuAbi = null; 6697 } 6698 } 6699 6700 private void killApplication(String pkgName, int appId, String reason) { 6701 // Request the ActivityManager to kill the process(only for existing packages) 6702 // so that we do not end up in a confused state while the user is still using the older 6703 // version of the application while the new one gets installed. 6704 IActivityManager am = ActivityManagerNative.getDefault(); 6705 if (am != null) { 6706 try { 6707 am.killApplicationWithAppId(pkgName, appId, reason); 6708 } catch (RemoteException e) { 6709 } 6710 } 6711 } 6712 6713 void removePackageLI(PackageSetting ps, boolean chatty) { 6714 if (DEBUG_INSTALL) { 6715 if (chatty) 6716 Log.d(TAG, "Removing package " + ps.name); 6717 } 6718 6719 // writer 6720 synchronized (mPackages) { 6721 mPackages.remove(ps.name); 6722 final PackageParser.Package pkg = ps.pkg; 6723 if (pkg != null) { 6724 cleanPackageDataStructuresLILPw(pkg, chatty); 6725 } 6726 } 6727 } 6728 6729 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6730 if (DEBUG_INSTALL) { 6731 if (chatty) 6732 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6733 } 6734 6735 // writer 6736 synchronized (mPackages) { 6737 mPackages.remove(pkg.applicationInfo.packageName); 6738 cleanPackageDataStructuresLILPw(pkg, chatty); 6739 } 6740 } 6741 6742 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6743 int N = pkg.providers.size(); 6744 StringBuilder r = null; 6745 int i; 6746 for (i=0; i<N; i++) { 6747 PackageParser.Provider p = pkg.providers.get(i); 6748 mProviders.removeProvider(p); 6749 if (p.info.authority == null) { 6750 6751 /* There was another ContentProvider with this authority when 6752 * this app was installed so this authority is null, 6753 * Ignore it as we don't have to unregister the provider. 6754 */ 6755 continue; 6756 } 6757 String names[] = p.info.authority.split(";"); 6758 for (int j = 0; j < names.length; j++) { 6759 if (mProvidersByAuthority.get(names[j]) == p) { 6760 mProvidersByAuthority.remove(names[j]); 6761 if (DEBUG_REMOVE) { 6762 if (chatty) 6763 Log.d(TAG, "Unregistered content provider: " + names[j] 6764 + ", className = " + p.info.name + ", isSyncable = " 6765 + p.info.isSyncable); 6766 } 6767 } 6768 } 6769 if (DEBUG_REMOVE && chatty) { 6770 if (r == null) { 6771 r = new StringBuilder(256); 6772 } else { 6773 r.append(' '); 6774 } 6775 r.append(p.info.name); 6776 } 6777 } 6778 if (r != null) { 6779 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6780 } 6781 6782 N = pkg.services.size(); 6783 r = null; 6784 for (i=0; i<N; i++) { 6785 PackageParser.Service s = pkg.services.get(i); 6786 mServices.removeService(s); 6787 if (chatty) { 6788 if (r == null) { 6789 r = new StringBuilder(256); 6790 } else { 6791 r.append(' '); 6792 } 6793 r.append(s.info.name); 6794 } 6795 } 6796 if (r != null) { 6797 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6798 } 6799 6800 N = pkg.receivers.size(); 6801 r = null; 6802 for (i=0; i<N; i++) { 6803 PackageParser.Activity a = pkg.receivers.get(i); 6804 mReceivers.removeActivity(a, "receiver"); 6805 if (DEBUG_REMOVE && chatty) { 6806 if (r == null) { 6807 r = new StringBuilder(256); 6808 } else { 6809 r.append(' '); 6810 } 6811 r.append(a.info.name); 6812 } 6813 } 6814 if (r != null) { 6815 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6816 } 6817 6818 N = pkg.activities.size(); 6819 r = null; 6820 for (i=0; i<N; i++) { 6821 PackageParser.Activity a = pkg.activities.get(i); 6822 mActivities.removeActivity(a, "activity"); 6823 if (DEBUG_REMOVE && chatty) { 6824 if (r == null) { 6825 r = new StringBuilder(256); 6826 } else { 6827 r.append(' '); 6828 } 6829 r.append(a.info.name); 6830 } 6831 } 6832 if (r != null) { 6833 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6834 } 6835 6836 N = pkg.permissions.size(); 6837 r = null; 6838 for (i=0; i<N; i++) { 6839 PackageParser.Permission p = pkg.permissions.get(i); 6840 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6841 if (bp == null) { 6842 bp = mSettings.mPermissionTrees.get(p.info.name); 6843 } 6844 if (bp != null && bp.perm == p) { 6845 bp.perm = null; 6846 if (DEBUG_REMOVE && chatty) { 6847 if (r == null) { 6848 r = new StringBuilder(256); 6849 } else { 6850 r.append(' '); 6851 } 6852 r.append(p.info.name); 6853 } 6854 } 6855 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6856 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6857 if (appOpPerms != null) { 6858 appOpPerms.remove(pkg.packageName); 6859 } 6860 } 6861 } 6862 if (r != null) { 6863 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6864 } 6865 6866 N = pkg.requestedPermissions.size(); 6867 r = null; 6868 for (i=0; i<N; i++) { 6869 String perm = pkg.requestedPermissions.get(i); 6870 BasePermission bp = mSettings.mPermissions.get(perm); 6871 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6872 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6873 if (appOpPerms != null) { 6874 appOpPerms.remove(pkg.packageName); 6875 if (appOpPerms.isEmpty()) { 6876 mAppOpPermissionPackages.remove(perm); 6877 } 6878 } 6879 } 6880 } 6881 if (r != null) { 6882 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6883 } 6884 6885 N = pkg.instrumentation.size(); 6886 r = null; 6887 for (i=0; i<N; i++) { 6888 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6889 mInstrumentation.remove(a.getComponentName()); 6890 if (DEBUG_REMOVE && chatty) { 6891 if (r == null) { 6892 r = new StringBuilder(256); 6893 } else { 6894 r.append(' '); 6895 } 6896 r.append(a.info.name); 6897 } 6898 } 6899 if (r != null) { 6900 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6901 } 6902 6903 r = null; 6904 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6905 // Only system apps can hold shared libraries. 6906 if (pkg.libraryNames != null) { 6907 for (i=0; i<pkg.libraryNames.size(); i++) { 6908 String name = pkg.libraryNames.get(i); 6909 SharedLibraryEntry cur = mSharedLibraries.get(name); 6910 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6911 mSharedLibraries.remove(name); 6912 if (DEBUG_REMOVE && chatty) { 6913 if (r == null) { 6914 r = new StringBuilder(256); 6915 } else { 6916 r.append(' '); 6917 } 6918 r.append(name); 6919 } 6920 } 6921 } 6922 } 6923 } 6924 if (r != null) { 6925 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6926 } 6927 } 6928 6929 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6930 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6931 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6932 return true; 6933 } 6934 } 6935 return false; 6936 } 6937 6938 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6939 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6940 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6941 6942 private void updatePermissionsLPw(String changingPkg, 6943 PackageParser.Package pkgInfo, int flags) { 6944 // Make sure there are no dangling permission trees. 6945 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6946 while (it.hasNext()) { 6947 final BasePermission bp = it.next(); 6948 if (bp.packageSetting == null) { 6949 // We may not yet have parsed the package, so just see if 6950 // we still know about its settings. 6951 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6952 } 6953 if (bp.packageSetting == null) { 6954 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6955 + " from package " + bp.sourcePackage); 6956 it.remove(); 6957 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6958 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6959 Slog.i(TAG, "Removing old permission tree: " + bp.name 6960 + " from package " + bp.sourcePackage); 6961 flags |= UPDATE_PERMISSIONS_ALL; 6962 it.remove(); 6963 } 6964 } 6965 } 6966 6967 // Make sure all dynamic permissions have been assigned to a package, 6968 // and make sure there are no dangling permissions. 6969 it = mSettings.mPermissions.values().iterator(); 6970 while (it.hasNext()) { 6971 final BasePermission bp = it.next(); 6972 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6973 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6974 + bp.name + " pkg=" + bp.sourcePackage 6975 + " info=" + bp.pendingInfo); 6976 if (bp.packageSetting == null && bp.pendingInfo != null) { 6977 final BasePermission tree = findPermissionTreeLP(bp.name); 6978 if (tree != null && tree.perm != null) { 6979 bp.packageSetting = tree.packageSetting; 6980 bp.perm = new PackageParser.Permission(tree.perm.owner, 6981 new PermissionInfo(bp.pendingInfo)); 6982 bp.perm.info.packageName = tree.perm.info.packageName; 6983 bp.perm.info.name = bp.name; 6984 bp.uid = tree.uid; 6985 } 6986 } 6987 } 6988 if (bp.packageSetting == null) { 6989 // We may not yet have parsed the package, so just see if 6990 // we still know about its settings. 6991 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6992 } 6993 if (bp.packageSetting == null) { 6994 Slog.w(TAG, "Removing dangling permission: " + bp.name 6995 + " from package " + bp.sourcePackage); 6996 it.remove(); 6997 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6998 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6999 Slog.i(TAG, "Removing old permission: " + bp.name 7000 + " from package " + bp.sourcePackage); 7001 flags |= UPDATE_PERMISSIONS_ALL; 7002 it.remove(); 7003 } 7004 } 7005 } 7006 7007 // Now update the permissions for all packages, in particular 7008 // replace the granted permissions of the system packages. 7009 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 7010 for (PackageParser.Package pkg : mPackages.values()) { 7011 if (pkg != pkgInfo) { 7012 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 7013 changingPkg); 7014 } 7015 } 7016 } 7017 7018 if (pkgInfo != null) { 7019 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 7020 } 7021 } 7022 7023 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 7024 String packageOfInterest) { 7025 final PackageSetting ps = (PackageSetting) pkg.mExtras; 7026 if (ps == null) { 7027 return; 7028 } 7029 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 7030 ArraySet<String> origPermissions = gp.grantedPermissions; 7031 boolean changedPermission = false; 7032 7033 if (replace) { 7034 ps.permissionsFixed = false; 7035 if (gp == ps) { 7036 origPermissions = new ArraySet<String>(gp.grantedPermissions); 7037 gp.grantedPermissions.clear(); 7038 gp.gids = mGlobalGids; 7039 } 7040 } 7041 7042 if (gp.gids == null) { 7043 gp.gids = mGlobalGids; 7044 } 7045 7046 final int N = pkg.requestedPermissions.size(); 7047 for (int i=0; i<N; i++) { 7048 final String name = pkg.requestedPermissions.get(i); 7049 final boolean required = pkg.requestedPermissionsRequired.get(i); 7050 final BasePermission bp = mSettings.mPermissions.get(name); 7051 if (DEBUG_INSTALL) { 7052 if (gp != ps) { 7053 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7054 } 7055 } 7056 7057 if (bp == null || bp.packageSetting == null) { 7058 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7059 Slog.w(TAG, "Unknown permission " + name 7060 + " in package " + pkg.packageName); 7061 } 7062 continue; 7063 } 7064 7065 final String perm = bp.name; 7066 boolean allowed; 7067 boolean allowedSig = false; 7068 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7069 // Keep track of app op permissions. 7070 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7071 if (pkgs == null) { 7072 pkgs = new ArraySet<>(); 7073 mAppOpPermissionPackages.put(bp.name, pkgs); 7074 } 7075 pkgs.add(pkg.packageName); 7076 } 7077 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7078 if (level == PermissionInfo.PROTECTION_NORMAL 7079 || level == PermissionInfo.PROTECTION_DANGEROUS) { 7080 // We grant a normal or dangerous permission if any of the following 7081 // are true: 7082 // 1) The permission is required 7083 // 2) The permission is optional, but was granted in the past 7084 // 3) The permission is optional, but was requested by an 7085 // app in /system (not /data) 7086 // 7087 // Otherwise, reject the permission. 7088 allowed = (required || origPermissions.contains(perm) 7089 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 7090 } else if (bp.packageSetting == null) { 7091 // This permission is invalid; skip it. 7092 allowed = false; 7093 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 7094 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 7095 if (allowed) { 7096 allowedSig = true; 7097 } 7098 } else { 7099 allowed = false; 7100 } 7101 if (DEBUG_INSTALL) { 7102 if (gp != ps) { 7103 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7104 } 7105 } 7106 if (allowed) { 7107 if (!isSystemApp(ps) && ps.permissionsFixed) { 7108 // If this is an existing, non-system package, then 7109 // we can't add any new permissions to it. 7110 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7111 // Except... if this is a permission that was added 7112 // to the platform (note: need to only do this when 7113 // updating the platform). 7114 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7115 } 7116 } 7117 if (allowed) { 7118 if (!gp.grantedPermissions.contains(perm)) { 7119 changedPermission = true; 7120 gp.grantedPermissions.add(perm); 7121 gp.gids = appendInts(gp.gids, bp.gids); 7122 } else if (!ps.haveGids) { 7123 gp.gids = appendInts(gp.gids, bp.gids); 7124 } 7125 } else { 7126 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7127 Slog.w(TAG, "Not granting permission " + perm 7128 + " to package " + pkg.packageName 7129 + " because it was previously installed without"); 7130 } 7131 } 7132 } else { 7133 if (gp.grantedPermissions.remove(perm)) { 7134 changedPermission = true; 7135 gp.gids = removeInts(gp.gids, bp.gids); 7136 Slog.i(TAG, "Un-granting permission " + perm 7137 + " from package " + pkg.packageName 7138 + " (protectionLevel=" + bp.protectionLevel 7139 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7140 + ")"); 7141 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7142 // Don't print warning for app op permissions, since it is fine for them 7143 // not to be granted, there is a UI for the user to decide. 7144 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7145 Slog.w(TAG, "Not granting permission " + perm 7146 + " to package " + pkg.packageName 7147 + " (protectionLevel=" + bp.protectionLevel 7148 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7149 + ")"); 7150 } 7151 } 7152 } 7153 } 7154 7155 if ((changedPermission || replace) && !ps.permissionsFixed && 7156 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7157 // This is the first that we have heard about this package, so the 7158 // permissions we have now selected are fixed until explicitly 7159 // changed. 7160 ps.permissionsFixed = true; 7161 } 7162 ps.haveGids = true; 7163 } 7164 7165 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7166 boolean allowed = false; 7167 final int NP = PackageParser.NEW_PERMISSIONS.length; 7168 for (int ip=0; ip<NP; ip++) { 7169 final PackageParser.NewPermissionInfo npi 7170 = PackageParser.NEW_PERMISSIONS[ip]; 7171 if (npi.name.equals(perm) 7172 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7173 allowed = true; 7174 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7175 + pkg.packageName); 7176 break; 7177 } 7178 } 7179 return allowed; 7180 } 7181 7182 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7183 BasePermission bp, ArraySet<String> origPermissions) { 7184 boolean allowed; 7185 allowed = (compareSignatures( 7186 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7187 == PackageManager.SIGNATURE_MATCH) 7188 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7189 == PackageManager.SIGNATURE_MATCH); 7190 if (!allowed && (bp.protectionLevel 7191 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7192 if (isSystemApp(pkg)) { 7193 // For updated system applications, a system permission 7194 // is granted only if it had been defined by the original application. 7195 if (isUpdatedSystemApp(pkg)) { 7196 final PackageSetting sysPs = mSettings 7197 .getDisabledSystemPkgLPr(pkg.packageName); 7198 final GrantedPermissions origGp = sysPs.sharedUser != null 7199 ? sysPs.sharedUser : sysPs; 7200 7201 if (origGp.grantedPermissions.contains(perm)) { 7202 // If the original was granted this permission, we take 7203 // that grant decision as read and propagate it to the 7204 // update. 7205 allowed = true; 7206 } else { 7207 // The system apk may have been updated with an older 7208 // version of the one on the data partition, but which 7209 // granted a new system permission that it didn't have 7210 // before. In this case we do want to allow the app to 7211 // now get the new permission if the ancestral apk is 7212 // privileged to get it. 7213 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7214 for (int j=0; 7215 j<sysPs.pkg.requestedPermissions.size(); j++) { 7216 if (perm.equals( 7217 sysPs.pkg.requestedPermissions.get(j))) { 7218 allowed = true; 7219 break; 7220 } 7221 } 7222 } 7223 } 7224 } else { 7225 allowed = isPrivilegedApp(pkg); 7226 } 7227 } 7228 } 7229 if (!allowed && (bp.protectionLevel 7230 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7231 // For development permissions, a development permission 7232 // is granted only if it was already granted. 7233 allowed = origPermissions.contains(perm); 7234 } 7235 return allowed; 7236 } 7237 7238 final class ActivityIntentResolver 7239 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7240 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7241 boolean defaultOnly, int userId) { 7242 if (!sUserManager.exists(userId)) return null; 7243 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7244 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7245 } 7246 7247 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7248 int userId) { 7249 if (!sUserManager.exists(userId)) return null; 7250 mFlags = flags; 7251 return super.queryIntent(intent, resolvedType, 7252 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7253 } 7254 7255 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7256 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7257 if (!sUserManager.exists(userId)) return null; 7258 if (packageActivities == null) { 7259 return null; 7260 } 7261 mFlags = flags; 7262 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7263 final int N = packageActivities.size(); 7264 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7265 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7266 7267 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7268 for (int i = 0; i < N; ++i) { 7269 intentFilters = packageActivities.get(i).intents; 7270 if (intentFilters != null && intentFilters.size() > 0) { 7271 PackageParser.ActivityIntentInfo[] array = 7272 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7273 intentFilters.toArray(array); 7274 listCut.add(array); 7275 } 7276 } 7277 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7278 } 7279 7280 public final void addActivity(PackageParser.Activity a, String type) { 7281 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7282 mActivities.put(a.getComponentName(), a); 7283 if (DEBUG_SHOW_INFO) 7284 Log.v( 7285 TAG, " " + type + " " + 7286 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7287 if (DEBUG_SHOW_INFO) 7288 Log.v(TAG, " Class=" + a.info.name); 7289 final int NI = a.intents.size(); 7290 for (int j=0; j<NI; j++) { 7291 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7292 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7293 intent.setPriority(0); 7294 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7295 + a.className + " with priority > 0, forcing to 0"); 7296 } 7297 if (DEBUG_SHOW_INFO) { 7298 Log.v(TAG, " IntentFilter:"); 7299 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7300 } 7301 if (!intent.debugCheck()) { 7302 Log.w(TAG, "==> For Activity " + a.info.name); 7303 } 7304 addFilter(intent); 7305 } 7306 } 7307 7308 public final void removeActivity(PackageParser.Activity a, String type) { 7309 mActivities.remove(a.getComponentName()); 7310 if (DEBUG_SHOW_INFO) { 7311 Log.v(TAG, " " + type + " " 7312 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7313 : a.info.name) + ":"); 7314 Log.v(TAG, " Class=" + a.info.name); 7315 } 7316 final int NI = a.intents.size(); 7317 for (int j=0; j<NI; j++) { 7318 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7319 if (DEBUG_SHOW_INFO) { 7320 Log.v(TAG, " IntentFilter:"); 7321 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7322 } 7323 removeFilter(intent); 7324 } 7325 } 7326 7327 @Override 7328 protected boolean allowFilterResult( 7329 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7330 ActivityInfo filterAi = filter.activity.info; 7331 for (int i=dest.size()-1; i>=0; i--) { 7332 ActivityInfo destAi = dest.get(i).activityInfo; 7333 if (destAi.name == filterAi.name 7334 && destAi.packageName == filterAi.packageName) { 7335 return false; 7336 } 7337 } 7338 return true; 7339 } 7340 7341 @Override 7342 protected ActivityIntentInfo[] newArray(int size) { 7343 return new ActivityIntentInfo[size]; 7344 } 7345 7346 @Override 7347 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7348 if (!sUserManager.exists(userId)) return true; 7349 PackageParser.Package p = filter.activity.owner; 7350 if (p != null) { 7351 PackageSetting ps = (PackageSetting)p.mExtras; 7352 if (ps != null) { 7353 // System apps are never considered stopped for purposes of 7354 // filtering, because there may be no way for the user to 7355 // actually re-launch them. 7356 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7357 && ps.getStopped(userId); 7358 } 7359 } 7360 return false; 7361 } 7362 7363 @Override 7364 protected boolean isPackageForFilter(String packageName, 7365 PackageParser.ActivityIntentInfo info) { 7366 return packageName.equals(info.activity.owner.packageName); 7367 } 7368 7369 @Override 7370 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7371 int match, int userId) { 7372 if (!sUserManager.exists(userId)) return null; 7373 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7374 return null; 7375 } 7376 final PackageParser.Activity activity = info.activity; 7377 if (mSafeMode && (activity.info.applicationInfo.flags 7378 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7379 return null; 7380 } 7381 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7382 if (ps == null) { 7383 return null; 7384 } 7385 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7386 ps.readUserState(userId), userId); 7387 if (ai == null) { 7388 return null; 7389 } 7390 final ResolveInfo res = new ResolveInfo(); 7391 res.activityInfo = ai; 7392 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7393 res.filter = info; 7394 } 7395 res.priority = info.getPriority(); 7396 res.preferredOrder = activity.owner.mPreferredOrder; 7397 //System.out.println("Result: " + res.activityInfo.className + 7398 // " = " + res.priority); 7399 res.match = match; 7400 res.isDefault = info.hasDefault; 7401 res.labelRes = info.labelRes; 7402 res.nonLocalizedLabel = info.nonLocalizedLabel; 7403 if (userNeedsBadging(userId)) { 7404 res.noResourceId = true; 7405 } else { 7406 res.icon = info.icon; 7407 } 7408 res.system = isSystemApp(res.activityInfo.applicationInfo); 7409 return res; 7410 } 7411 7412 @Override 7413 protected void sortResults(List<ResolveInfo> results) { 7414 Collections.sort(results, mResolvePrioritySorter); 7415 } 7416 7417 @Override 7418 protected void dumpFilter(PrintWriter out, String prefix, 7419 PackageParser.ActivityIntentInfo filter) { 7420 out.print(prefix); out.print( 7421 Integer.toHexString(System.identityHashCode(filter.activity))); 7422 out.print(' '); 7423 filter.activity.printComponentShortName(out); 7424 out.print(" filter "); 7425 out.println(Integer.toHexString(System.identityHashCode(filter))); 7426 } 7427 7428 @Override 7429 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7430 return filter.activity; 7431 } 7432 7433 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7434 PackageParser.Activity activity = (PackageParser.Activity)label; 7435 out.print(prefix); out.print( 7436 Integer.toHexString(System.identityHashCode(activity))); 7437 out.print(' '); 7438 activity.printComponentShortName(out); 7439 if (count > 1) { 7440 out.print(" ("); out.print(count); out.print(" filters)"); 7441 } 7442 out.println(); 7443 } 7444 7445// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7446// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7447// final List<ResolveInfo> retList = Lists.newArrayList(); 7448// while (i.hasNext()) { 7449// final ResolveInfo resolveInfo = i.next(); 7450// if (isEnabledLP(resolveInfo.activityInfo)) { 7451// retList.add(resolveInfo); 7452// } 7453// } 7454// return retList; 7455// } 7456 7457 // Keys are String (activity class name), values are Activity. 7458 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7459 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7460 private int mFlags; 7461 } 7462 7463 private final class ServiceIntentResolver 7464 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7465 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7466 boolean defaultOnly, int userId) { 7467 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7468 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7469 } 7470 7471 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7472 int userId) { 7473 if (!sUserManager.exists(userId)) return null; 7474 mFlags = flags; 7475 return super.queryIntent(intent, resolvedType, 7476 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7477 } 7478 7479 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7480 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7481 if (!sUserManager.exists(userId)) return null; 7482 if (packageServices == null) { 7483 return null; 7484 } 7485 mFlags = flags; 7486 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7487 final int N = packageServices.size(); 7488 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7489 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7490 7491 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7492 for (int i = 0; i < N; ++i) { 7493 intentFilters = packageServices.get(i).intents; 7494 if (intentFilters != null && intentFilters.size() > 0) { 7495 PackageParser.ServiceIntentInfo[] array = 7496 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7497 intentFilters.toArray(array); 7498 listCut.add(array); 7499 } 7500 } 7501 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7502 } 7503 7504 public final void addService(PackageParser.Service s) { 7505 mServices.put(s.getComponentName(), s); 7506 if (DEBUG_SHOW_INFO) { 7507 Log.v(TAG, " " 7508 + (s.info.nonLocalizedLabel != null 7509 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7510 Log.v(TAG, " Class=" + s.info.name); 7511 } 7512 final int NI = s.intents.size(); 7513 int j; 7514 for (j=0; j<NI; j++) { 7515 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7516 if (DEBUG_SHOW_INFO) { 7517 Log.v(TAG, " IntentFilter:"); 7518 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7519 } 7520 if (!intent.debugCheck()) { 7521 Log.w(TAG, "==> For Service " + s.info.name); 7522 } 7523 addFilter(intent); 7524 } 7525 } 7526 7527 public final void removeService(PackageParser.Service s) { 7528 mServices.remove(s.getComponentName()); 7529 if (DEBUG_SHOW_INFO) { 7530 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7531 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7532 Log.v(TAG, " Class=" + s.info.name); 7533 } 7534 final int NI = s.intents.size(); 7535 int j; 7536 for (j=0; j<NI; j++) { 7537 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7538 if (DEBUG_SHOW_INFO) { 7539 Log.v(TAG, " IntentFilter:"); 7540 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7541 } 7542 removeFilter(intent); 7543 } 7544 } 7545 7546 @Override 7547 protected boolean allowFilterResult( 7548 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7549 ServiceInfo filterSi = filter.service.info; 7550 for (int i=dest.size()-1; i>=0; i--) { 7551 ServiceInfo destAi = dest.get(i).serviceInfo; 7552 if (destAi.name == filterSi.name 7553 && destAi.packageName == filterSi.packageName) { 7554 return false; 7555 } 7556 } 7557 return true; 7558 } 7559 7560 @Override 7561 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7562 return new PackageParser.ServiceIntentInfo[size]; 7563 } 7564 7565 @Override 7566 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7567 if (!sUserManager.exists(userId)) return true; 7568 PackageParser.Package p = filter.service.owner; 7569 if (p != null) { 7570 PackageSetting ps = (PackageSetting)p.mExtras; 7571 if (ps != null) { 7572 // System apps are never considered stopped for purposes of 7573 // filtering, because there may be no way for the user to 7574 // actually re-launch them. 7575 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7576 && ps.getStopped(userId); 7577 } 7578 } 7579 return false; 7580 } 7581 7582 @Override 7583 protected boolean isPackageForFilter(String packageName, 7584 PackageParser.ServiceIntentInfo info) { 7585 return packageName.equals(info.service.owner.packageName); 7586 } 7587 7588 @Override 7589 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7590 int match, int userId) { 7591 if (!sUserManager.exists(userId)) return null; 7592 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7593 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7594 return null; 7595 } 7596 final PackageParser.Service service = info.service; 7597 if (mSafeMode && (service.info.applicationInfo.flags 7598 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7599 return null; 7600 } 7601 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7602 if (ps == null) { 7603 return null; 7604 } 7605 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7606 ps.readUserState(userId), userId); 7607 if (si == null) { 7608 return null; 7609 } 7610 final ResolveInfo res = new ResolveInfo(); 7611 res.serviceInfo = si; 7612 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7613 res.filter = filter; 7614 } 7615 res.priority = info.getPriority(); 7616 res.preferredOrder = service.owner.mPreferredOrder; 7617 //System.out.println("Result: " + res.activityInfo.className + 7618 // " = " + res.priority); 7619 res.match = match; 7620 res.isDefault = info.hasDefault; 7621 res.labelRes = info.labelRes; 7622 res.nonLocalizedLabel = info.nonLocalizedLabel; 7623 res.icon = info.icon; 7624 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7625 return res; 7626 } 7627 7628 @Override 7629 protected void sortResults(List<ResolveInfo> results) { 7630 Collections.sort(results, mResolvePrioritySorter); 7631 } 7632 7633 @Override 7634 protected void dumpFilter(PrintWriter out, String prefix, 7635 PackageParser.ServiceIntentInfo filter) { 7636 out.print(prefix); out.print( 7637 Integer.toHexString(System.identityHashCode(filter.service))); 7638 out.print(' '); 7639 filter.service.printComponentShortName(out); 7640 out.print(" filter "); 7641 out.println(Integer.toHexString(System.identityHashCode(filter))); 7642 } 7643 7644 @Override 7645 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7646 return filter.service; 7647 } 7648 7649 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7650 PackageParser.Service service = (PackageParser.Service)label; 7651 out.print(prefix); out.print( 7652 Integer.toHexString(System.identityHashCode(service))); 7653 out.print(' '); 7654 service.printComponentShortName(out); 7655 if (count > 1) { 7656 out.print(" ("); out.print(count); out.print(" filters)"); 7657 } 7658 out.println(); 7659 } 7660 7661// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7662// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7663// final List<ResolveInfo> retList = Lists.newArrayList(); 7664// while (i.hasNext()) { 7665// final ResolveInfo resolveInfo = (ResolveInfo) i; 7666// if (isEnabledLP(resolveInfo.serviceInfo)) { 7667// retList.add(resolveInfo); 7668// } 7669// } 7670// return retList; 7671// } 7672 7673 // Keys are String (activity class name), values are Activity. 7674 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7675 = new ArrayMap<ComponentName, PackageParser.Service>(); 7676 private int mFlags; 7677 }; 7678 7679 private final class ProviderIntentResolver 7680 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7681 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7682 boolean defaultOnly, int userId) { 7683 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7684 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7685 } 7686 7687 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7688 int userId) { 7689 if (!sUserManager.exists(userId)) 7690 return null; 7691 mFlags = flags; 7692 return super.queryIntent(intent, resolvedType, 7693 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7694 } 7695 7696 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7697 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7698 if (!sUserManager.exists(userId)) 7699 return null; 7700 if (packageProviders == null) { 7701 return null; 7702 } 7703 mFlags = flags; 7704 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7705 final int N = packageProviders.size(); 7706 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7707 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7708 7709 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7710 for (int i = 0; i < N; ++i) { 7711 intentFilters = packageProviders.get(i).intents; 7712 if (intentFilters != null && intentFilters.size() > 0) { 7713 PackageParser.ProviderIntentInfo[] array = 7714 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7715 intentFilters.toArray(array); 7716 listCut.add(array); 7717 } 7718 } 7719 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7720 } 7721 7722 public final void addProvider(PackageParser.Provider p) { 7723 if (mProviders.containsKey(p.getComponentName())) { 7724 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7725 return; 7726 } 7727 7728 mProviders.put(p.getComponentName(), p); 7729 if (DEBUG_SHOW_INFO) { 7730 Log.v(TAG, " " 7731 + (p.info.nonLocalizedLabel != null 7732 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7733 Log.v(TAG, " Class=" + p.info.name); 7734 } 7735 final int NI = p.intents.size(); 7736 int j; 7737 for (j = 0; j < NI; j++) { 7738 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7739 if (DEBUG_SHOW_INFO) { 7740 Log.v(TAG, " IntentFilter:"); 7741 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7742 } 7743 if (!intent.debugCheck()) { 7744 Log.w(TAG, "==> For Provider " + p.info.name); 7745 } 7746 addFilter(intent); 7747 } 7748 } 7749 7750 public final void removeProvider(PackageParser.Provider p) { 7751 mProviders.remove(p.getComponentName()); 7752 if (DEBUG_SHOW_INFO) { 7753 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7754 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7755 Log.v(TAG, " Class=" + p.info.name); 7756 } 7757 final int NI = p.intents.size(); 7758 int j; 7759 for (j = 0; j < NI; j++) { 7760 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7761 if (DEBUG_SHOW_INFO) { 7762 Log.v(TAG, " IntentFilter:"); 7763 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7764 } 7765 removeFilter(intent); 7766 } 7767 } 7768 7769 @Override 7770 protected boolean allowFilterResult( 7771 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7772 ProviderInfo filterPi = filter.provider.info; 7773 for (int i = dest.size() - 1; i >= 0; i--) { 7774 ProviderInfo destPi = dest.get(i).providerInfo; 7775 if (destPi.name == filterPi.name 7776 && destPi.packageName == filterPi.packageName) { 7777 return false; 7778 } 7779 } 7780 return true; 7781 } 7782 7783 @Override 7784 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7785 return new PackageParser.ProviderIntentInfo[size]; 7786 } 7787 7788 @Override 7789 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7790 if (!sUserManager.exists(userId)) 7791 return true; 7792 PackageParser.Package p = filter.provider.owner; 7793 if (p != null) { 7794 PackageSetting ps = (PackageSetting) p.mExtras; 7795 if (ps != null) { 7796 // System apps are never considered stopped for purposes of 7797 // filtering, because there may be no way for the user to 7798 // actually re-launch them. 7799 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7800 && ps.getStopped(userId); 7801 } 7802 } 7803 return false; 7804 } 7805 7806 @Override 7807 protected boolean isPackageForFilter(String packageName, 7808 PackageParser.ProviderIntentInfo info) { 7809 return packageName.equals(info.provider.owner.packageName); 7810 } 7811 7812 @Override 7813 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7814 int match, int userId) { 7815 if (!sUserManager.exists(userId)) 7816 return null; 7817 final PackageParser.ProviderIntentInfo info = filter; 7818 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7819 return null; 7820 } 7821 final PackageParser.Provider provider = info.provider; 7822 if (mSafeMode && (provider.info.applicationInfo.flags 7823 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7824 return null; 7825 } 7826 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7827 if (ps == null) { 7828 return null; 7829 } 7830 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7831 ps.readUserState(userId), userId); 7832 if (pi == null) { 7833 return null; 7834 } 7835 final ResolveInfo res = new ResolveInfo(); 7836 res.providerInfo = pi; 7837 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7838 res.filter = filter; 7839 } 7840 res.priority = info.getPriority(); 7841 res.preferredOrder = provider.owner.mPreferredOrder; 7842 res.match = match; 7843 res.isDefault = info.hasDefault; 7844 res.labelRes = info.labelRes; 7845 res.nonLocalizedLabel = info.nonLocalizedLabel; 7846 res.icon = info.icon; 7847 res.system = isSystemApp(res.providerInfo.applicationInfo); 7848 return res; 7849 } 7850 7851 @Override 7852 protected void sortResults(List<ResolveInfo> results) { 7853 Collections.sort(results, mResolvePrioritySorter); 7854 } 7855 7856 @Override 7857 protected void dumpFilter(PrintWriter out, String prefix, 7858 PackageParser.ProviderIntentInfo filter) { 7859 out.print(prefix); 7860 out.print( 7861 Integer.toHexString(System.identityHashCode(filter.provider))); 7862 out.print(' '); 7863 filter.provider.printComponentShortName(out); 7864 out.print(" filter "); 7865 out.println(Integer.toHexString(System.identityHashCode(filter))); 7866 } 7867 7868 @Override 7869 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7870 return filter.provider; 7871 } 7872 7873 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7874 PackageParser.Provider provider = (PackageParser.Provider)label; 7875 out.print(prefix); out.print( 7876 Integer.toHexString(System.identityHashCode(provider))); 7877 out.print(' '); 7878 provider.printComponentShortName(out); 7879 if (count > 1) { 7880 out.print(" ("); out.print(count); out.print(" filters)"); 7881 } 7882 out.println(); 7883 } 7884 7885 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7886 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7887 private int mFlags; 7888 }; 7889 7890 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7891 new Comparator<ResolveInfo>() { 7892 public int compare(ResolveInfo r1, ResolveInfo r2) { 7893 int v1 = r1.priority; 7894 int v2 = r2.priority; 7895 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7896 if (v1 != v2) { 7897 return (v1 > v2) ? -1 : 1; 7898 } 7899 v1 = r1.preferredOrder; 7900 v2 = r2.preferredOrder; 7901 if (v1 != v2) { 7902 return (v1 > v2) ? -1 : 1; 7903 } 7904 if (r1.isDefault != r2.isDefault) { 7905 return r1.isDefault ? -1 : 1; 7906 } 7907 v1 = r1.match; 7908 v2 = r2.match; 7909 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7910 if (v1 != v2) { 7911 return (v1 > v2) ? -1 : 1; 7912 } 7913 if (r1.system != r2.system) { 7914 return r1.system ? -1 : 1; 7915 } 7916 return 0; 7917 } 7918 }; 7919 7920 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7921 new Comparator<ProviderInfo>() { 7922 public int compare(ProviderInfo p1, ProviderInfo p2) { 7923 final int v1 = p1.initOrder; 7924 final int v2 = p2.initOrder; 7925 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7926 } 7927 }; 7928 7929 static final void sendPackageBroadcast(String action, String pkg, 7930 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7931 int[] userIds) { 7932 IActivityManager am = ActivityManagerNative.getDefault(); 7933 if (am != null) { 7934 try { 7935 if (userIds == null) { 7936 userIds = am.getRunningUserIds(); 7937 } 7938 for (int id : userIds) { 7939 final Intent intent = new Intent(action, 7940 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7941 if (extras != null) { 7942 intent.putExtras(extras); 7943 } 7944 if (targetPkg != null) { 7945 intent.setPackage(targetPkg); 7946 } 7947 // Modify the UID when posting to other users 7948 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7949 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7950 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7951 intent.putExtra(Intent.EXTRA_UID, uid); 7952 } 7953 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7954 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7955 if (DEBUG_BROADCASTS) { 7956 RuntimeException here = new RuntimeException("here"); 7957 here.fillInStackTrace(); 7958 Slog.d(TAG, "Sending to user " + id + ": " 7959 + intent.toShortString(false, true, false, false) 7960 + " " + intent.getExtras(), here); 7961 } 7962 am.broadcastIntent(null, intent, null, finishedReceiver, 7963 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7964 finishedReceiver != null, false, id); 7965 } 7966 } catch (RemoteException ex) { 7967 } 7968 } 7969 } 7970 7971 /** 7972 * Check if the external storage media is available. This is true if there 7973 * is a mounted external storage medium or if the external storage is 7974 * emulated. 7975 */ 7976 private boolean isExternalMediaAvailable() { 7977 return mMediaMounted || Environment.isExternalStorageEmulated(); 7978 } 7979 7980 @Override 7981 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7982 // writer 7983 synchronized (mPackages) { 7984 if (!isExternalMediaAvailable()) { 7985 // If the external storage is no longer mounted at this point, 7986 // the caller may not have been able to delete all of this 7987 // packages files and can not delete any more. Bail. 7988 return null; 7989 } 7990 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7991 if (lastPackage != null) { 7992 pkgs.remove(lastPackage); 7993 } 7994 if (pkgs.size() > 0) { 7995 return pkgs.get(0); 7996 } 7997 } 7998 return null; 7999 } 8000 8001 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8002 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8003 userId, andCode ? 1 : 0, packageName); 8004 if (mSystemReady) { 8005 msg.sendToTarget(); 8006 } else { 8007 if (mPostSystemReadyMessages == null) { 8008 mPostSystemReadyMessages = new ArrayList<>(); 8009 } 8010 mPostSystemReadyMessages.add(msg); 8011 } 8012 } 8013 8014 void startCleaningPackages() { 8015 // reader 8016 synchronized (mPackages) { 8017 if (!isExternalMediaAvailable()) { 8018 return; 8019 } 8020 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8021 return; 8022 } 8023 } 8024 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8025 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8026 IActivityManager am = ActivityManagerNative.getDefault(); 8027 if (am != null) { 8028 try { 8029 am.startService(null, intent, null, UserHandle.USER_OWNER); 8030 } catch (RemoteException e) { 8031 } 8032 } 8033 } 8034 8035 @Override 8036 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8037 int installFlags, String installerPackageName, VerificationParams verificationParams, 8038 String packageAbiOverride) { 8039 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8040 packageAbiOverride, UserHandle.getCallingUserId()); 8041 } 8042 8043 @Override 8044 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8045 int installFlags, String installerPackageName, VerificationParams verificationParams, 8046 String packageAbiOverride, int userId) { 8047 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8048 8049 final int callingUid = Binder.getCallingUid(); 8050 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8051 8052 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8053 try { 8054 if (observer != null) { 8055 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8056 } 8057 } catch (RemoteException re) { 8058 } 8059 return; 8060 } 8061 8062 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8063 installFlags |= PackageManager.INSTALL_FROM_ADB; 8064 8065 } else { 8066 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8067 // about installerPackageName. 8068 8069 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8070 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8071 } 8072 8073 UserHandle user; 8074 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8075 user = UserHandle.ALL; 8076 } else { 8077 user = new UserHandle(userId); 8078 } 8079 8080 verificationParams.setInstallerUid(callingUid); 8081 8082 final File originFile = new File(originPath); 8083 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8084 8085 final Message msg = mHandler.obtainMessage(INIT_COPY); 8086 msg.obj = new InstallParams(origin, observer, installFlags, 8087 installerPackageName, verificationParams, user, packageAbiOverride); 8088 mHandler.sendMessage(msg); 8089 } 8090 8091 void installStage(String packageName, File stagedDir, String stagedCid, 8092 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8093 String installerPackageName, int installerUid, UserHandle user) { 8094 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8095 params.referrerUri, installerUid, null); 8096 8097 final OriginInfo origin; 8098 if (stagedDir != null) { 8099 origin = OriginInfo.fromStagedFile(stagedDir); 8100 } else { 8101 origin = OriginInfo.fromStagedContainer(stagedCid); 8102 } 8103 8104 final Message msg = mHandler.obtainMessage(INIT_COPY); 8105 msg.obj = new InstallParams(origin, observer, params.installFlags, 8106 installerPackageName, verifParams, user, params.abiOverride); 8107 mHandler.sendMessage(msg); 8108 } 8109 8110 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8111 Bundle extras = new Bundle(1); 8112 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8113 8114 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8115 packageName, extras, null, null, new int[] {userId}); 8116 try { 8117 IActivityManager am = ActivityManagerNative.getDefault(); 8118 final boolean isSystem = 8119 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8120 if (isSystem && am.isUserRunning(userId, false)) { 8121 // The just-installed/enabled app is bundled on the system, so presumed 8122 // to be able to run automatically without needing an explicit launch. 8123 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8124 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8125 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8126 .setPackage(packageName); 8127 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8128 android.app.AppOpsManager.OP_NONE, false, false, userId); 8129 } 8130 } catch (RemoteException e) { 8131 // shouldn't happen 8132 Slog.w(TAG, "Unable to bootstrap installed package", e); 8133 } 8134 } 8135 8136 @Override 8137 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8138 int userId) { 8139 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8140 PackageSetting pkgSetting; 8141 final int uid = Binder.getCallingUid(); 8142 enforceCrossUserPermission(uid, userId, true, true, 8143 "setApplicationHiddenSetting for user " + userId); 8144 8145 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8146 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8147 return false; 8148 } 8149 8150 long callingId = Binder.clearCallingIdentity(); 8151 try { 8152 boolean sendAdded = false; 8153 boolean sendRemoved = false; 8154 // writer 8155 synchronized (mPackages) { 8156 pkgSetting = mSettings.mPackages.get(packageName); 8157 if (pkgSetting == null) { 8158 return false; 8159 } 8160 if (pkgSetting.getHidden(userId) != hidden) { 8161 pkgSetting.setHidden(hidden, userId); 8162 mSettings.writePackageRestrictionsLPr(userId); 8163 if (hidden) { 8164 sendRemoved = true; 8165 } else { 8166 sendAdded = true; 8167 } 8168 } 8169 } 8170 if (sendAdded) { 8171 sendPackageAddedForUser(packageName, pkgSetting, userId); 8172 return true; 8173 } 8174 if (sendRemoved) { 8175 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8176 "hiding pkg"); 8177 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8178 } 8179 } finally { 8180 Binder.restoreCallingIdentity(callingId); 8181 } 8182 return false; 8183 } 8184 8185 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8186 int userId) { 8187 final PackageRemovedInfo info = new PackageRemovedInfo(); 8188 info.removedPackage = packageName; 8189 info.removedUsers = new int[] {userId}; 8190 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8191 info.sendBroadcast(false, false, false); 8192 } 8193 8194 /** 8195 * Returns true if application is not found or there was an error. Otherwise it returns 8196 * the hidden state of the package for the given user. 8197 */ 8198 @Override 8199 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8200 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8201 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8202 false, "getApplicationHidden for user " + userId); 8203 PackageSetting pkgSetting; 8204 long callingId = Binder.clearCallingIdentity(); 8205 try { 8206 // writer 8207 synchronized (mPackages) { 8208 pkgSetting = mSettings.mPackages.get(packageName); 8209 if (pkgSetting == null) { 8210 return true; 8211 } 8212 return pkgSetting.getHidden(userId); 8213 } 8214 } finally { 8215 Binder.restoreCallingIdentity(callingId); 8216 } 8217 } 8218 8219 /** 8220 * @hide 8221 */ 8222 @Override 8223 public int installExistingPackageAsUser(String packageName, int userId) { 8224 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8225 null); 8226 PackageSetting pkgSetting; 8227 final int uid = Binder.getCallingUid(); 8228 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8229 + userId); 8230 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8231 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8232 } 8233 8234 long callingId = Binder.clearCallingIdentity(); 8235 try { 8236 boolean sendAdded = false; 8237 Bundle extras = new Bundle(1); 8238 8239 // writer 8240 synchronized (mPackages) { 8241 pkgSetting = mSettings.mPackages.get(packageName); 8242 if (pkgSetting == null) { 8243 return PackageManager.INSTALL_FAILED_INVALID_URI; 8244 } 8245 if (!pkgSetting.getInstalled(userId)) { 8246 pkgSetting.setInstalled(true, userId); 8247 pkgSetting.setHidden(false, userId); 8248 mSettings.writePackageRestrictionsLPr(userId); 8249 sendAdded = true; 8250 } 8251 } 8252 8253 if (sendAdded) { 8254 sendPackageAddedForUser(packageName, pkgSetting, userId); 8255 } 8256 } finally { 8257 Binder.restoreCallingIdentity(callingId); 8258 } 8259 8260 return PackageManager.INSTALL_SUCCEEDED; 8261 } 8262 8263 boolean isUserRestricted(int userId, String restrictionKey) { 8264 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8265 if (restrictions.getBoolean(restrictionKey, false)) { 8266 Log.w(TAG, "User is restricted: " + restrictionKey); 8267 return true; 8268 } 8269 return false; 8270 } 8271 8272 @Override 8273 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8274 mContext.enforceCallingOrSelfPermission( 8275 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8276 "Only package verification agents can verify applications"); 8277 8278 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8279 final PackageVerificationResponse response = new PackageVerificationResponse( 8280 verificationCode, Binder.getCallingUid()); 8281 msg.arg1 = id; 8282 msg.obj = response; 8283 mHandler.sendMessage(msg); 8284 } 8285 8286 @Override 8287 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8288 long millisecondsToDelay) { 8289 mContext.enforceCallingOrSelfPermission( 8290 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8291 "Only package verification agents can extend verification timeouts"); 8292 8293 final PackageVerificationState state = mPendingVerification.get(id); 8294 final PackageVerificationResponse response = new PackageVerificationResponse( 8295 verificationCodeAtTimeout, Binder.getCallingUid()); 8296 8297 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8298 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8299 } 8300 if (millisecondsToDelay < 0) { 8301 millisecondsToDelay = 0; 8302 } 8303 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8304 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8305 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8306 } 8307 8308 if ((state != null) && !state.timeoutExtended()) { 8309 state.extendTimeout(); 8310 8311 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8312 msg.arg1 = id; 8313 msg.obj = response; 8314 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8315 } 8316 } 8317 8318 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8319 int verificationCode, UserHandle user) { 8320 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8321 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8322 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8323 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8324 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8325 8326 mContext.sendBroadcastAsUser(intent, user, 8327 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8328 } 8329 8330 private ComponentName matchComponentForVerifier(String packageName, 8331 List<ResolveInfo> receivers) { 8332 ActivityInfo targetReceiver = null; 8333 8334 final int NR = receivers.size(); 8335 for (int i = 0; i < NR; i++) { 8336 final ResolveInfo info = receivers.get(i); 8337 if (info.activityInfo == null) { 8338 continue; 8339 } 8340 8341 if (packageName.equals(info.activityInfo.packageName)) { 8342 targetReceiver = info.activityInfo; 8343 break; 8344 } 8345 } 8346 8347 if (targetReceiver == null) { 8348 return null; 8349 } 8350 8351 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8352 } 8353 8354 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8355 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8356 if (pkgInfo.verifiers.length == 0) { 8357 return null; 8358 } 8359 8360 final int N = pkgInfo.verifiers.length; 8361 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8362 for (int i = 0; i < N; i++) { 8363 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8364 8365 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8366 receivers); 8367 if (comp == null) { 8368 continue; 8369 } 8370 8371 final int verifierUid = getUidForVerifier(verifierInfo); 8372 if (verifierUid == -1) { 8373 continue; 8374 } 8375 8376 if (DEBUG_VERIFY) { 8377 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8378 + " with the correct signature"); 8379 } 8380 sufficientVerifiers.add(comp); 8381 verificationState.addSufficientVerifier(verifierUid); 8382 } 8383 8384 return sufficientVerifiers; 8385 } 8386 8387 private int getUidForVerifier(VerifierInfo verifierInfo) { 8388 synchronized (mPackages) { 8389 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8390 if (pkg == null) { 8391 return -1; 8392 } else if (pkg.mSignatures.length != 1) { 8393 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8394 + " has more than one signature; ignoring"); 8395 return -1; 8396 } 8397 8398 /* 8399 * If the public key of the package's signature does not match 8400 * our expected public key, then this is a different package and 8401 * we should skip. 8402 */ 8403 8404 final byte[] expectedPublicKey; 8405 try { 8406 final Signature verifierSig = pkg.mSignatures[0]; 8407 final PublicKey publicKey = verifierSig.getPublicKey(); 8408 expectedPublicKey = publicKey.getEncoded(); 8409 } catch (CertificateException e) { 8410 return -1; 8411 } 8412 8413 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8414 8415 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8416 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8417 + " does not have the expected public key; ignoring"); 8418 return -1; 8419 } 8420 8421 return pkg.applicationInfo.uid; 8422 } 8423 } 8424 8425 @Override 8426 public void finishPackageInstall(int token) { 8427 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8428 8429 if (DEBUG_INSTALL) { 8430 Slog.v(TAG, "BM finishing package install for " + token); 8431 } 8432 8433 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8434 mHandler.sendMessage(msg); 8435 } 8436 8437 /** 8438 * Get the verification agent timeout. 8439 * 8440 * @return verification timeout in milliseconds 8441 */ 8442 private long getVerificationTimeout() { 8443 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8444 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8445 DEFAULT_VERIFICATION_TIMEOUT); 8446 } 8447 8448 /** 8449 * Get the default verification agent response code. 8450 * 8451 * @return default verification response code 8452 */ 8453 private int getDefaultVerificationResponse() { 8454 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8455 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8456 DEFAULT_VERIFICATION_RESPONSE); 8457 } 8458 8459 /** 8460 * Check whether or not package verification has been enabled. 8461 * 8462 * @return true if verification should be performed 8463 */ 8464 private boolean isVerificationEnabled(int userId, int installFlags) { 8465 if (!DEFAULT_VERIFY_ENABLE) { 8466 return false; 8467 } 8468 8469 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8470 8471 // Check if installing from ADB 8472 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8473 // Do not run verification in a test harness environment 8474 if (ActivityManager.isRunningInTestHarness()) { 8475 return false; 8476 } 8477 if (ensureVerifyAppsEnabled) { 8478 return true; 8479 } 8480 // Check if the developer does not want package verification for ADB installs 8481 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8482 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8483 return false; 8484 } 8485 } 8486 8487 if (ensureVerifyAppsEnabled) { 8488 return true; 8489 } 8490 8491 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8492 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8493 } 8494 8495 /** 8496 * Get the "allow unknown sources" setting. 8497 * 8498 * @return the current "allow unknown sources" setting 8499 */ 8500 private int getUnknownSourcesSettings() { 8501 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8502 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8503 -1); 8504 } 8505 8506 @Override 8507 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8508 final int uid = Binder.getCallingUid(); 8509 // writer 8510 synchronized (mPackages) { 8511 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8512 if (targetPackageSetting == null) { 8513 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8514 } 8515 8516 PackageSetting installerPackageSetting; 8517 if (installerPackageName != null) { 8518 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8519 if (installerPackageSetting == null) { 8520 throw new IllegalArgumentException("Unknown installer package: " 8521 + installerPackageName); 8522 } 8523 } else { 8524 installerPackageSetting = null; 8525 } 8526 8527 Signature[] callerSignature; 8528 Object obj = mSettings.getUserIdLPr(uid); 8529 if (obj != null) { 8530 if (obj instanceof SharedUserSetting) { 8531 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8532 } else if (obj instanceof PackageSetting) { 8533 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8534 } else { 8535 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8536 } 8537 } else { 8538 throw new SecurityException("Unknown calling uid " + uid); 8539 } 8540 8541 // Verify: can't set installerPackageName to a package that is 8542 // not signed with the same cert as the caller. 8543 if (installerPackageSetting != null) { 8544 if (compareSignatures(callerSignature, 8545 installerPackageSetting.signatures.mSignatures) 8546 != PackageManager.SIGNATURE_MATCH) { 8547 throw new SecurityException( 8548 "Caller does not have same cert as new installer package " 8549 + installerPackageName); 8550 } 8551 } 8552 8553 // Verify: if target already has an installer package, it must 8554 // be signed with the same cert as the caller. 8555 if (targetPackageSetting.installerPackageName != null) { 8556 PackageSetting setting = mSettings.mPackages.get( 8557 targetPackageSetting.installerPackageName); 8558 // If the currently set package isn't valid, then it's always 8559 // okay to change it. 8560 if (setting != null) { 8561 if (compareSignatures(callerSignature, 8562 setting.signatures.mSignatures) 8563 != PackageManager.SIGNATURE_MATCH) { 8564 throw new SecurityException( 8565 "Caller does not have same cert as old installer package " 8566 + targetPackageSetting.installerPackageName); 8567 } 8568 } 8569 } 8570 8571 // Okay! 8572 targetPackageSetting.installerPackageName = installerPackageName; 8573 scheduleWriteSettingsLocked(); 8574 } 8575 } 8576 8577 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8578 // Queue up an async operation since the package installation may take a little while. 8579 mHandler.post(new Runnable() { 8580 public void run() { 8581 mHandler.removeCallbacks(this); 8582 // Result object to be returned 8583 PackageInstalledInfo res = new PackageInstalledInfo(); 8584 res.returnCode = currentStatus; 8585 res.uid = -1; 8586 res.pkg = null; 8587 res.removedInfo = new PackageRemovedInfo(); 8588 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8589 args.doPreInstall(res.returnCode); 8590 synchronized (mInstallLock) { 8591 installPackageLI(args, res); 8592 } 8593 args.doPostInstall(res.returnCode, res.uid); 8594 } 8595 8596 // A restore should be performed at this point if (a) the install 8597 // succeeded, (b) the operation is not an update, and (c) the new 8598 // package has not opted out of backup participation. 8599 final boolean update = res.removedInfo.removedPackage != null; 8600 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8601 boolean doRestore = !update 8602 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8603 8604 // Set up the post-install work request bookkeeping. This will be used 8605 // and cleaned up by the post-install event handling regardless of whether 8606 // there's a restore pass performed. Token values are >= 1. 8607 int token; 8608 if (mNextInstallToken < 0) mNextInstallToken = 1; 8609 token = mNextInstallToken++; 8610 8611 PostInstallData data = new PostInstallData(args, res); 8612 mRunningInstalls.put(token, data); 8613 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8614 8615 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8616 // Pass responsibility to the Backup Manager. It will perform a 8617 // restore if appropriate, then pass responsibility back to the 8618 // Package Manager to run the post-install observer callbacks 8619 // and broadcasts. 8620 IBackupManager bm = IBackupManager.Stub.asInterface( 8621 ServiceManager.getService(Context.BACKUP_SERVICE)); 8622 if (bm != null) { 8623 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8624 + " to BM for possible restore"); 8625 try { 8626 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8627 } catch (RemoteException e) { 8628 // can't happen; the backup manager is local 8629 } catch (Exception e) { 8630 Slog.e(TAG, "Exception trying to enqueue restore", e); 8631 doRestore = false; 8632 } 8633 } else { 8634 Slog.e(TAG, "Backup Manager not found!"); 8635 doRestore = false; 8636 } 8637 } 8638 8639 if (!doRestore) { 8640 // No restore possible, or the Backup Manager was mysteriously not 8641 // available -- just fire the post-install work request directly. 8642 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8643 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8644 mHandler.sendMessage(msg); 8645 } 8646 } 8647 }); 8648 } 8649 8650 private abstract class HandlerParams { 8651 private static final int MAX_RETRIES = 4; 8652 8653 /** 8654 * Number of times startCopy() has been attempted and had a non-fatal 8655 * error. 8656 */ 8657 private int mRetries = 0; 8658 8659 /** User handle for the user requesting the information or installation. */ 8660 private final UserHandle mUser; 8661 8662 HandlerParams(UserHandle user) { 8663 mUser = user; 8664 } 8665 8666 UserHandle getUser() { 8667 return mUser; 8668 } 8669 8670 final boolean startCopy() { 8671 boolean res; 8672 try { 8673 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8674 8675 if (++mRetries > MAX_RETRIES) { 8676 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8677 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8678 handleServiceError(); 8679 return false; 8680 } else { 8681 handleStartCopy(); 8682 res = true; 8683 } 8684 } catch (RemoteException e) { 8685 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8686 mHandler.sendEmptyMessage(MCS_RECONNECT); 8687 res = false; 8688 } 8689 handleReturnCode(); 8690 return res; 8691 } 8692 8693 final void serviceError() { 8694 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8695 handleServiceError(); 8696 handleReturnCode(); 8697 } 8698 8699 abstract void handleStartCopy() throws RemoteException; 8700 abstract void handleServiceError(); 8701 abstract void handleReturnCode(); 8702 } 8703 8704 class MeasureParams extends HandlerParams { 8705 private final PackageStats mStats; 8706 private boolean mSuccess; 8707 8708 private final IPackageStatsObserver mObserver; 8709 8710 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8711 super(new UserHandle(stats.userHandle)); 8712 mObserver = observer; 8713 mStats = stats; 8714 } 8715 8716 @Override 8717 public String toString() { 8718 return "MeasureParams{" 8719 + Integer.toHexString(System.identityHashCode(this)) 8720 + " " + mStats.packageName + "}"; 8721 } 8722 8723 @Override 8724 void handleStartCopy() throws RemoteException { 8725 synchronized (mInstallLock) { 8726 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8727 } 8728 8729 if (mSuccess) { 8730 final boolean mounted; 8731 if (Environment.isExternalStorageEmulated()) { 8732 mounted = true; 8733 } else { 8734 final String status = Environment.getExternalStorageState(); 8735 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8736 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8737 } 8738 8739 if (mounted) { 8740 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8741 8742 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8743 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8744 8745 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8746 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8747 8748 // Always subtract cache size, since it's a subdirectory 8749 mStats.externalDataSize -= mStats.externalCacheSize; 8750 8751 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8752 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8753 8754 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8755 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8756 } 8757 } 8758 } 8759 8760 @Override 8761 void handleReturnCode() { 8762 if (mObserver != null) { 8763 try { 8764 mObserver.onGetStatsCompleted(mStats, mSuccess); 8765 } catch (RemoteException e) { 8766 Slog.i(TAG, "Observer no longer exists."); 8767 } 8768 } 8769 } 8770 8771 @Override 8772 void handleServiceError() { 8773 Slog.e(TAG, "Could not measure application " + mStats.packageName 8774 + " external storage"); 8775 } 8776 } 8777 8778 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8779 throws RemoteException { 8780 long result = 0; 8781 for (File path : paths) { 8782 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8783 } 8784 return result; 8785 } 8786 8787 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8788 for (File path : paths) { 8789 try { 8790 mcs.clearDirectory(path.getAbsolutePath()); 8791 } catch (RemoteException e) { 8792 } 8793 } 8794 } 8795 8796 static class OriginInfo { 8797 /** 8798 * Location where install is coming from, before it has been 8799 * copied/renamed into place. This could be a single monolithic APK 8800 * file, or a cluster directory. This location may be untrusted. 8801 */ 8802 final File file; 8803 final String cid; 8804 8805 /** 8806 * Flag indicating that {@link #file} or {@link #cid} has already been 8807 * staged, meaning downstream users don't need to defensively copy the 8808 * contents. 8809 */ 8810 final boolean staged; 8811 8812 /** 8813 * Flag indicating that {@link #file} or {@link #cid} is an already 8814 * installed app that is being moved. 8815 */ 8816 final boolean existing; 8817 8818 final String resolvedPath; 8819 final File resolvedFile; 8820 8821 static OriginInfo fromNothing() { 8822 return new OriginInfo(null, null, false, false); 8823 } 8824 8825 static OriginInfo fromUntrustedFile(File file) { 8826 return new OriginInfo(file, null, false, false); 8827 } 8828 8829 static OriginInfo fromExistingFile(File file) { 8830 return new OriginInfo(file, null, false, true); 8831 } 8832 8833 static OriginInfo fromStagedFile(File file) { 8834 return new OriginInfo(file, null, true, false); 8835 } 8836 8837 static OriginInfo fromStagedContainer(String cid) { 8838 return new OriginInfo(null, cid, true, false); 8839 } 8840 8841 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8842 this.file = file; 8843 this.cid = cid; 8844 this.staged = staged; 8845 this.existing = existing; 8846 8847 if (cid != null) { 8848 resolvedPath = PackageHelper.getSdDir(cid); 8849 resolvedFile = new File(resolvedPath); 8850 } else if (file != null) { 8851 resolvedPath = file.getAbsolutePath(); 8852 resolvedFile = file; 8853 } else { 8854 resolvedPath = null; 8855 resolvedFile = null; 8856 } 8857 } 8858 } 8859 8860 class InstallParams extends HandlerParams { 8861 final OriginInfo origin; 8862 final IPackageInstallObserver2 observer; 8863 int installFlags; 8864 final String installerPackageName; 8865 final VerificationParams verificationParams; 8866 private InstallArgs mArgs; 8867 private int mRet; 8868 final String packageAbiOverride; 8869 8870 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8871 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8872 String packageAbiOverride) { 8873 super(user); 8874 this.origin = origin; 8875 this.observer = observer; 8876 this.installFlags = installFlags; 8877 this.installerPackageName = installerPackageName; 8878 this.verificationParams = verificationParams; 8879 this.packageAbiOverride = packageAbiOverride; 8880 } 8881 8882 @Override 8883 public String toString() { 8884 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8885 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8886 } 8887 8888 public ManifestDigest getManifestDigest() { 8889 if (verificationParams == null) { 8890 return null; 8891 } 8892 return verificationParams.getManifestDigest(); 8893 } 8894 8895 private int installLocationPolicy(PackageInfoLite pkgLite) { 8896 String packageName = pkgLite.packageName; 8897 int installLocation = pkgLite.installLocation; 8898 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8899 // reader 8900 synchronized (mPackages) { 8901 PackageParser.Package pkg = mPackages.get(packageName); 8902 if (pkg != null) { 8903 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8904 // Check for downgrading. 8905 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8906 try { 8907 checkDowngrade(pkg, pkgLite); 8908 } catch (PackageManagerException e) { 8909 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8910 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8911 } 8912 } 8913 // Check for updated system application. 8914 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8915 if (onSd) { 8916 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8917 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8918 } 8919 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8920 } else { 8921 if (onSd) { 8922 // Install flag overrides everything. 8923 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8924 } 8925 // If current upgrade specifies particular preference 8926 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8927 // Application explicitly specified internal. 8928 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8929 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8930 // App explictly prefers external. Let policy decide 8931 } else { 8932 // Prefer previous location 8933 if (isExternal(pkg)) { 8934 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8935 } 8936 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8937 } 8938 } 8939 } else { 8940 // Invalid install. Return error code 8941 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8942 } 8943 } 8944 } 8945 // All the special cases have been taken care of. 8946 // Return result based on recommended install location. 8947 if (onSd) { 8948 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8949 } 8950 return pkgLite.recommendedInstallLocation; 8951 } 8952 8953 /* 8954 * Invoke remote method to get package information and install 8955 * location values. Override install location based on default 8956 * policy if needed and then create install arguments based 8957 * on the install location. 8958 */ 8959 public void handleStartCopy() throws RemoteException { 8960 int ret = PackageManager.INSTALL_SUCCEEDED; 8961 8962 // If we're already staged, we've firmly committed to an install location 8963 if (origin.staged) { 8964 if (origin.file != null) { 8965 installFlags |= PackageManager.INSTALL_INTERNAL; 8966 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8967 } else if (origin.cid != null) { 8968 installFlags |= PackageManager.INSTALL_EXTERNAL; 8969 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8970 } else { 8971 throw new IllegalStateException("Invalid stage location"); 8972 } 8973 } 8974 8975 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8976 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8977 8978 PackageInfoLite pkgLite = null; 8979 8980 if (onInt && onSd) { 8981 // Check if both bits are set. 8982 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8983 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8984 } else { 8985 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8986 packageAbiOverride); 8987 8988 /* 8989 * If we have too little free space, try to free cache 8990 * before giving up. 8991 */ 8992 if (!origin.staged && pkgLite.recommendedInstallLocation 8993 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8994 // TODO: focus freeing disk space on the target device 8995 final StorageManager storage = StorageManager.from(mContext); 8996 final long lowThreshold = storage.getStorageLowBytes( 8997 Environment.getDataDirectory()); 8998 8999 final long sizeBytes = mContainerService.calculateInstalledSize( 9000 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9001 9002 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9003 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9004 installFlags, packageAbiOverride); 9005 } 9006 9007 /* 9008 * The cache free must have deleted the file we 9009 * downloaded to install. 9010 * 9011 * TODO: fix the "freeCache" call to not delete 9012 * the file we care about. 9013 */ 9014 if (pkgLite.recommendedInstallLocation 9015 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9016 pkgLite.recommendedInstallLocation 9017 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9018 } 9019 } 9020 } 9021 9022 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9023 int loc = pkgLite.recommendedInstallLocation; 9024 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9025 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9026 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9027 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9028 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9029 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9030 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9031 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9032 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9033 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9034 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9035 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9036 } else { 9037 // Override with defaults if needed. 9038 loc = installLocationPolicy(pkgLite); 9039 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9040 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9041 } else if (!onSd && !onInt) { 9042 // Override install location with flags 9043 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9044 // Set the flag to install on external media. 9045 installFlags |= PackageManager.INSTALL_EXTERNAL; 9046 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9047 } else { 9048 // Make sure the flag for installing on external 9049 // media is unset 9050 installFlags |= PackageManager.INSTALL_INTERNAL; 9051 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9052 } 9053 } 9054 } 9055 } 9056 9057 final InstallArgs args = createInstallArgs(this); 9058 mArgs = args; 9059 9060 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9061 /* 9062 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9063 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9064 */ 9065 int userIdentifier = getUser().getIdentifier(); 9066 if (userIdentifier == UserHandle.USER_ALL 9067 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9068 userIdentifier = UserHandle.USER_OWNER; 9069 } 9070 9071 /* 9072 * Determine if we have any installed package verifiers. If we 9073 * do, then we'll defer to them to verify the packages. 9074 */ 9075 final int requiredUid = mRequiredVerifierPackage == null ? -1 9076 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9077 if (!origin.existing && requiredUid != -1 9078 && isVerificationEnabled(userIdentifier, installFlags)) { 9079 final Intent verification = new Intent( 9080 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9081 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9082 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9083 PACKAGE_MIME_TYPE); 9084 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9085 9086 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9087 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9088 0 /* TODO: Which userId? */); 9089 9090 if (DEBUG_VERIFY) { 9091 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9092 + verification.toString() + " with " + pkgLite.verifiers.length 9093 + " optional verifiers"); 9094 } 9095 9096 final int verificationId = mPendingVerificationToken++; 9097 9098 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9099 9100 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9101 installerPackageName); 9102 9103 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9104 installFlags); 9105 9106 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9107 pkgLite.packageName); 9108 9109 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9110 pkgLite.versionCode); 9111 9112 if (verificationParams != null) { 9113 if (verificationParams.getVerificationURI() != null) { 9114 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9115 verificationParams.getVerificationURI()); 9116 } 9117 if (verificationParams.getOriginatingURI() != null) { 9118 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9119 verificationParams.getOriginatingURI()); 9120 } 9121 if (verificationParams.getReferrer() != null) { 9122 verification.putExtra(Intent.EXTRA_REFERRER, 9123 verificationParams.getReferrer()); 9124 } 9125 if (verificationParams.getOriginatingUid() >= 0) { 9126 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9127 verificationParams.getOriginatingUid()); 9128 } 9129 if (verificationParams.getInstallerUid() >= 0) { 9130 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9131 verificationParams.getInstallerUid()); 9132 } 9133 } 9134 9135 final PackageVerificationState verificationState = new PackageVerificationState( 9136 requiredUid, args); 9137 9138 mPendingVerification.append(verificationId, verificationState); 9139 9140 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9141 receivers, verificationState); 9142 9143 /* 9144 * If any sufficient verifiers were listed in the package 9145 * manifest, attempt to ask them. 9146 */ 9147 if (sufficientVerifiers != null) { 9148 final int N = sufficientVerifiers.size(); 9149 if (N == 0) { 9150 Slog.i(TAG, "Additional verifiers required, but none installed."); 9151 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9152 } else { 9153 for (int i = 0; i < N; i++) { 9154 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9155 9156 final Intent sufficientIntent = new Intent(verification); 9157 sufficientIntent.setComponent(verifierComponent); 9158 9159 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9160 } 9161 } 9162 } 9163 9164 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9165 mRequiredVerifierPackage, receivers); 9166 if (ret == PackageManager.INSTALL_SUCCEEDED 9167 && mRequiredVerifierPackage != null) { 9168 /* 9169 * Send the intent to the required verification agent, 9170 * but only start the verification timeout after the 9171 * target BroadcastReceivers have run. 9172 */ 9173 verification.setComponent(requiredVerifierComponent); 9174 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9175 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9176 new BroadcastReceiver() { 9177 @Override 9178 public void onReceive(Context context, Intent intent) { 9179 final Message msg = mHandler 9180 .obtainMessage(CHECK_PENDING_VERIFICATION); 9181 msg.arg1 = verificationId; 9182 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9183 } 9184 }, null, 0, null, null); 9185 9186 /* 9187 * We don't want the copy to proceed until verification 9188 * succeeds, so null out this field. 9189 */ 9190 mArgs = null; 9191 } 9192 } else { 9193 /* 9194 * No package verification is enabled, so immediately start 9195 * the remote call to initiate copy using temporary file. 9196 */ 9197 ret = args.copyApk(mContainerService, true); 9198 } 9199 } 9200 9201 mRet = ret; 9202 } 9203 9204 @Override 9205 void handleReturnCode() { 9206 // If mArgs is null, then MCS couldn't be reached. When it 9207 // reconnects, it will try again to install. At that point, this 9208 // will succeed. 9209 if (mArgs != null) { 9210 processPendingInstall(mArgs, mRet); 9211 } 9212 } 9213 9214 @Override 9215 void handleServiceError() { 9216 mArgs = createInstallArgs(this); 9217 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9218 } 9219 9220 public boolean isForwardLocked() { 9221 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9222 } 9223 } 9224 9225 /** 9226 * Used during creation of InstallArgs 9227 * 9228 * @param installFlags package installation flags 9229 * @return true if should be installed on external storage 9230 */ 9231 private static boolean installOnSd(int installFlags) { 9232 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9233 return false; 9234 } 9235 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9236 return true; 9237 } 9238 return false; 9239 } 9240 9241 /** 9242 * Used during creation of InstallArgs 9243 * 9244 * @param installFlags package installation flags 9245 * @return true if should be installed as forward locked 9246 */ 9247 private static boolean installForwardLocked(int installFlags) { 9248 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9249 } 9250 9251 private InstallArgs createInstallArgs(InstallParams params) { 9252 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9253 return new AsecInstallArgs(params); 9254 } else { 9255 return new FileInstallArgs(params); 9256 } 9257 } 9258 9259 /** 9260 * Create args that describe an existing installed package. Typically used 9261 * when cleaning up old installs, or used as a move source. 9262 */ 9263 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9264 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9265 final boolean isInAsec; 9266 if (installOnSd(installFlags)) { 9267 /* Apps on SD card are always in ASEC containers. */ 9268 isInAsec = true; 9269 } else if (installForwardLocked(installFlags) 9270 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9271 /* 9272 * Forward-locked apps are only in ASEC containers if they're the 9273 * new style 9274 */ 9275 isInAsec = true; 9276 } else { 9277 isInAsec = false; 9278 } 9279 9280 if (isInAsec) { 9281 return new AsecInstallArgs(codePath, instructionSets, 9282 installOnSd(installFlags), installForwardLocked(installFlags)); 9283 } else { 9284 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9285 instructionSets); 9286 } 9287 } 9288 9289 static abstract class InstallArgs { 9290 /** @see InstallParams#origin */ 9291 final OriginInfo origin; 9292 9293 final IPackageInstallObserver2 observer; 9294 // Always refers to PackageManager flags only 9295 final int installFlags; 9296 final String installerPackageName; 9297 final ManifestDigest manifestDigest; 9298 final UserHandle user; 9299 final String abiOverride; 9300 9301 // The list of instruction sets supported by this app. This is currently 9302 // only used during the rmdex() phase to clean up resources. We can get rid of this 9303 // if we move dex files under the common app path. 9304 /* nullable */ String[] instructionSets; 9305 9306 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9307 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9308 String[] instructionSets, String abiOverride) { 9309 this.origin = origin; 9310 this.installFlags = installFlags; 9311 this.observer = observer; 9312 this.installerPackageName = installerPackageName; 9313 this.manifestDigest = manifestDigest; 9314 this.user = user; 9315 this.instructionSets = instructionSets; 9316 this.abiOverride = abiOverride; 9317 } 9318 9319 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9320 abstract int doPreInstall(int status); 9321 9322 /** 9323 * Rename package into final resting place. All paths on the given 9324 * scanned package should be updated to reflect the rename. 9325 */ 9326 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9327 abstract int doPostInstall(int status, int uid); 9328 9329 /** @see PackageSettingBase#codePathString */ 9330 abstract String getCodePath(); 9331 /** @see PackageSettingBase#resourcePathString */ 9332 abstract String getResourcePath(); 9333 abstract String getLegacyNativeLibraryPath(); 9334 9335 // Need installer lock especially for dex file removal. 9336 abstract void cleanUpResourcesLI(); 9337 abstract boolean doPostDeleteLI(boolean delete); 9338 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9339 9340 /** 9341 * Called before the source arguments are copied. This is used mostly 9342 * for MoveParams when it needs to read the source file to put it in the 9343 * destination. 9344 */ 9345 int doPreCopy() { 9346 return PackageManager.INSTALL_SUCCEEDED; 9347 } 9348 9349 /** 9350 * Called after the source arguments are copied. This is used mostly for 9351 * MoveParams when it needs to read the source file to put it in the 9352 * destination. 9353 * 9354 * @return 9355 */ 9356 int doPostCopy(int uid) { 9357 return PackageManager.INSTALL_SUCCEEDED; 9358 } 9359 9360 protected boolean isFwdLocked() { 9361 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9362 } 9363 9364 protected boolean isExternal() { 9365 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9366 } 9367 9368 UserHandle getUser() { 9369 return user; 9370 } 9371 } 9372 9373 /** 9374 * Logic to handle installation of non-ASEC applications, including copying 9375 * and renaming logic. 9376 */ 9377 class FileInstallArgs extends InstallArgs { 9378 private File codeFile; 9379 private File resourceFile; 9380 private File legacyNativeLibraryPath; 9381 9382 // Example topology: 9383 // /data/app/com.example/base.apk 9384 // /data/app/com.example/split_foo.apk 9385 // /data/app/com.example/lib/arm/libfoo.so 9386 // /data/app/com.example/lib/arm64/libfoo.so 9387 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9388 9389 /** New install */ 9390 FileInstallArgs(InstallParams params) { 9391 super(params.origin, params.observer, params.installFlags, 9392 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9393 null /* instruction sets */, params.packageAbiOverride); 9394 if (isFwdLocked()) { 9395 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9396 } 9397 } 9398 9399 /** Existing install */ 9400 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9401 String[] instructionSets) { 9402 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9403 this.codeFile = (codePath != null) ? new File(codePath) : null; 9404 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9405 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9406 new File(legacyNativeLibraryPath) : null; 9407 } 9408 9409 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9410 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9411 isFwdLocked(), abiOverride); 9412 9413 final StorageManager storage = StorageManager.from(mContext); 9414 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9415 } 9416 9417 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9418 if (origin.staged) { 9419 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9420 codeFile = origin.file; 9421 resourceFile = origin.file; 9422 return PackageManager.INSTALL_SUCCEEDED; 9423 } 9424 9425 try { 9426 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9427 codeFile = tempDir; 9428 resourceFile = tempDir; 9429 } catch (IOException e) { 9430 Slog.w(TAG, "Failed to create copy file: " + e); 9431 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9432 } 9433 9434 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9435 @Override 9436 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9437 if (!FileUtils.isValidExtFilename(name)) { 9438 throw new IllegalArgumentException("Invalid filename: " + name); 9439 } 9440 try { 9441 final File file = new File(codeFile, name); 9442 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9443 O_RDWR | O_CREAT, 0644); 9444 Os.chmod(file.getAbsolutePath(), 0644); 9445 return new ParcelFileDescriptor(fd); 9446 } catch (ErrnoException e) { 9447 throw new RemoteException("Failed to open: " + e.getMessage()); 9448 } 9449 } 9450 }; 9451 9452 int ret = PackageManager.INSTALL_SUCCEEDED; 9453 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9454 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9455 Slog.e(TAG, "Failed to copy package"); 9456 return ret; 9457 } 9458 9459 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9460 NativeLibraryHelper.Handle handle = null; 9461 try { 9462 handle = NativeLibraryHelper.Handle.create(codeFile); 9463 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9464 abiOverride); 9465 } catch (IOException e) { 9466 Slog.e(TAG, "Copying native libraries failed", e); 9467 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9468 } finally { 9469 IoUtils.closeQuietly(handle); 9470 } 9471 9472 return ret; 9473 } 9474 9475 int doPreInstall(int status) { 9476 if (status != PackageManager.INSTALL_SUCCEEDED) { 9477 cleanUp(); 9478 } 9479 return status; 9480 } 9481 9482 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9483 if (status != PackageManager.INSTALL_SUCCEEDED) { 9484 cleanUp(); 9485 return false; 9486 } else { 9487 final File beforeCodeFile = codeFile; 9488 final File afterCodeFile = getNextCodePath(pkg.packageName); 9489 9490 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9491 try { 9492 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9493 } catch (ErrnoException e) { 9494 Slog.d(TAG, "Failed to rename", e); 9495 return false; 9496 } 9497 9498 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9499 Slog.d(TAG, "Failed to restorecon"); 9500 return false; 9501 } 9502 9503 // Reflect the rename internally 9504 codeFile = afterCodeFile; 9505 resourceFile = afterCodeFile; 9506 9507 // Reflect the rename in scanned details 9508 pkg.codePath = afterCodeFile.getAbsolutePath(); 9509 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9510 pkg.baseCodePath); 9511 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9512 pkg.splitCodePaths); 9513 9514 // Reflect the rename in app info 9515 pkg.applicationInfo.setCodePath(pkg.codePath); 9516 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9517 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9518 pkg.applicationInfo.setResourcePath(pkg.codePath); 9519 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9520 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9521 9522 return true; 9523 } 9524 } 9525 9526 int doPostInstall(int status, int uid) { 9527 if (status != PackageManager.INSTALL_SUCCEEDED) { 9528 cleanUp(); 9529 } 9530 return status; 9531 } 9532 9533 @Override 9534 String getCodePath() { 9535 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9536 } 9537 9538 @Override 9539 String getResourcePath() { 9540 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9541 } 9542 9543 @Override 9544 String getLegacyNativeLibraryPath() { 9545 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9546 } 9547 9548 private boolean cleanUp() { 9549 if (codeFile == null || !codeFile.exists()) { 9550 return false; 9551 } 9552 9553 if (codeFile.isDirectory()) { 9554 FileUtils.deleteContents(codeFile); 9555 } 9556 codeFile.delete(); 9557 9558 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9559 resourceFile.delete(); 9560 } 9561 9562 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9563 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9564 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9565 } 9566 legacyNativeLibraryPath.delete(); 9567 } 9568 9569 return true; 9570 } 9571 9572 void cleanUpResourcesLI() { 9573 // Try enumerating all code paths before deleting 9574 List<String> allCodePaths = Collections.EMPTY_LIST; 9575 if (codeFile != null && codeFile.exists()) { 9576 try { 9577 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9578 allCodePaths = pkg.getAllCodePaths(); 9579 } catch (PackageParserException e) { 9580 // Ignored; we tried our best 9581 } 9582 } 9583 9584 cleanUp(); 9585 9586 if (!allCodePaths.isEmpty()) { 9587 if (instructionSets == null) { 9588 throw new IllegalStateException("instructionSet == null"); 9589 } 9590 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9591 for (String codePath : allCodePaths) { 9592 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9593 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9594 if (retCode < 0) { 9595 Slog.w(TAG, "Couldn't remove dex file for package: " 9596 + " at location " + codePath + ", retcode=" + retCode); 9597 // we don't consider this to be a failure of the core package deletion 9598 } 9599 } 9600 } 9601 } 9602 } 9603 9604 boolean doPostDeleteLI(boolean delete) { 9605 // XXX err, shouldn't we respect the delete flag? 9606 cleanUpResourcesLI(); 9607 return true; 9608 } 9609 } 9610 9611 private boolean isAsecExternal(String cid) { 9612 final String asecPath = PackageHelper.getSdFilesystem(cid); 9613 return !asecPath.startsWith(mAsecInternalPath); 9614 } 9615 9616 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9617 PackageManagerException { 9618 if (copyRet < 0) { 9619 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9620 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9621 throw new PackageManagerException(copyRet, message); 9622 } 9623 } 9624 } 9625 9626 /** 9627 * Extract the MountService "container ID" from the full code path of an 9628 * .apk. 9629 */ 9630 static String cidFromCodePath(String fullCodePath) { 9631 int eidx = fullCodePath.lastIndexOf("/"); 9632 String subStr1 = fullCodePath.substring(0, eidx); 9633 int sidx = subStr1.lastIndexOf("/"); 9634 return subStr1.substring(sidx+1, eidx); 9635 } 9636 9637 /** 9638 * Logic to handle installation of ASEC applications, including copying and 9639 * renaming logic. 9640 */ 9641 class AsecInstallArgs extends InstallArgs { 9642 static final String RES_FILE_NAME = "pkg.apk"; 9643 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9644 9645 String cid; 9646 String packagePath; 9647 String resourcePath; 9648 String legacyNativeLibraryDir; 9649 9650 /** New install */ 9651 AsecInstallArgs(InstallParams params) { 9652 super(params.origin, params.observer, params.installFlags, 9653 params.installerPackageName, params.getManifestDigest(), 9654 params.getUser(), null /* instruction sets */, 9655 params.packageAbiOverride); 9656 } 9657 9658 /** Existing install */ 9659 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9660 boolean isExternal, boolean isForwardLocked) { 9661 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9662 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9663 instructionSets, null); 9664 // Hackily pretend we're still looking at a full code path 9665 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9666 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9667 } 9668 9669 // Extract cid from fullCodePath 9670 int eidx = fullCodePath.lastIndexOf("/"); 9671 String subStr1 = fullCodePath.substring(0, eidx); 9672 int sidx = subStr1.lastIndexOf("/"); 9673 cid = subStr1.substring(sidx+1, eidx); 9674 setMountPath(subStr1); 9675 } 9676 9677 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9678 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9679 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9680 instructionSets, null); 9681 this.cid = cid; 9682 setMountPath(PackageHelper.getSdDir(cid)); 9683 } 9684 9685 void createCopyFile() { 9686 cid = mInstallerService.allocateExternalStageCidLegacy(); 9687 } 9688 9689 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9690 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9691 abiOverride); 9692 9693 final File target; 9694 if (isExternal()) { 9695 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9696 } else { 9697 target = Environment.getDataDirectory(); 9698 } 9699 9700 final StorageManager storage = StorageManager.from(mContext); 9701 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9702 } 9703 9704 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9705 if (origin.staged) { 9706 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9707 cid = origin.cid; 9708 setMountPath(PackageHelper.getSdDir(cid)); 9709 return PackageManager.INSTALL_SUCCEEDED; 9710 } 9711 9712 if (temp) { 9713 createCopyFile(); 9714 } else { 9715 /* 9716 * Pre-emptively destroy the container since it's destroyed if 9717 * copying fails due to it existing anyway. 9718 */ 9719 PackageHelper.destroySdDir(cid); 9720 } 9721 9722 final String newMountPath = imcs.copyPackageToContainer( 9723 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9724 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9725 9726 if (newMountPath != null) { 9727 setMountPath(newMountPath); 9728 return PackageManager.INSTALL_SUCCEEDED; 9729 } else { 9730 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9731 } 9732 } 9733 9734 @Override 9735 String getCodePath() { 9736 return packagePath; 9737 } 9738 9739 @Override 9740 String getResourcePath() { 9741 return resourcePath; 9742 } 9743 9744 @Override 9745 String getLegacyNativeLibraryPath() { 9746 return legacyNativeLibraryDir; 9747 } 9748 9749 int doPreInstall(int status) { 9750 if (status != PackageManager.INSTALL_SUCCEEDED) { 9751 // Destroy container 9752 PackageHelper.destroySdDir(cid); 9753 } else { 9754 boolean mounted = PackageHelper.isContainerMounted(cid); 9755 if (!mounted) { 9756 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9757 Process.SYSTEM_UID); 9758 if (newMountPath != null) { 9759 setMountPath(newMountPath); 9760 } else { 9761 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9762 } 9763 } 9764 } 9765 return status; 9766 } 9767 9768 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9769 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9770 String newMountPath = null; 9771 if (PackageHelper.isContainerMounted(cid)) { 9772 // Unmount the container 9773 if (!PackageHelper.unMountSdDir(cid)) { 9774 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9775 return false; 9776 } 9777 } 9778 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9779 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9780 " which might be stale. Will try to clean up."); 9781 // Clean up the stale container and proceed to recreate. 9782 if (!PackageHelper.destroySdDir(newCacheId)) { 9783 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9784 return false; 9785 } 9786 // Successfully cleaned up stale container. Try to rename again. 9787 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9788 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9789 + " inspite of cleaning it up."); 9790 return false; 9791 } 9792 } 9793 if (!PackageHelper.isContainerMounted(newCacheId)) { 9794 Slog.w(TAG, "Mounting container " + newCacheId); 9795 newMountPath = PackageHelper.mountSdDir(newCacheId, 9796 getEncryptKey(), Process.SYSTEM_UID); 9797 } else { 9798 newMountPath = PackageHelper.getSdDir(newCacheId); 9799 } 9800 if (newMountPath == null) { 9801 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9802 return false; 9803 } 9804 Log.i(TAG, "Succesfully renamed " + cid + 9805 " to " + newCacheId + 9806 " at new path: " + newMountPath); 9807 cid = newCacheId; 9808 9809 final File beforeCodeFile = new File(packagePath); 9810 setMountPath(newMountPath); 9811 final File afterCodeFile = new File(packagePath); 9812 9813 // Reflect the rename in scanned details 9814 pkg.codePath = afterCodeFile.getAbsolutePath(); 9815 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9816 pkg.baseCodePath); 9817 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9818 pkg.splitCodePaths); 9819 9820 // Reflect the rename in app info 9821 pkg.applicationInfo.setCodePath(pkg.codePath); 9822 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9823 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9824 pkg.applicationInfo.setResourcePath(pkg.codePath); 9825 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9826 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9827 9828 return true; 9829 } 9830 9831 private void setMountPath(String mountPath) { 9832 final File mountFile = new File(mountPath); 9833 9834 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9835 if (monolithicFile.exists()) { 9836 packagePath = monolithicFile.getAbsolutePath(); 9837 if (isFwdLocked()) { 9838 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9839 } else { 9840 resourcePath = packagePath; 9841 } 9842 } else { 9843 packagePath = mountFile.getAbsolutePath(); 9844 resourcePath = packagePath; 9845 } 9846 9847 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9848 } 9849 9850 int doPostInstall(int status, int uid) { 9851 if (status != PackageManager.INSTALL_SUCCEEDED) { 9852 cleanUp(); 9853 } else { 9854 final int groupOwner; 9855 final String protectedFile; 9856 if (isFwdLocked()) { 9857 groupOwner = UserHandle.getSharedAppGid(uid); 9858 protectedFile = RES_FILE_NAME; 9859 } else { 9860 groupOwner = -1; 9861 protectedFile = null; 9862 } 9863 9864 if (uid < Process.FIRST_APPLICATION_UID 9865 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9866 Slog.e(TAG, "Failed to finalize " + cid); 9867 PackageHelper.destroySdDir(cid); 9868 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9869 } 9870 9871 boolean mounted = PackageHelper.isContainerMounted(cid); 9872 if (!mounted) { 9873 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9874 } 9875 } 9876 return status; 9877 } 9878 9879 private void cleanUp() { 9880 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9881 9882 // Destroy secure container 9883 PackageHelper.destroySdDir(cid); 9884 } 9885 9886 private List<String> getAllCodePaths() { 9887 final File codeFile = new File(getCodePath()); 9888 if (codeFile != null && codeFile.exists()) { 9889 try { 9890 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9891 return pkg.getAllCodePaths(); 9892 } catch (PackageParserException e) { 9893 // Ignored; we tried our best 9894 } 9895 } 9896 return Collections.EMPTY_LIST; 9897 } 9898 9899 void cleanUpResourcesLI() { 9900 // Enumerate all code paths before deleting 9901 cleanUpResourcesLI(getAllCodePaths()); 9902 } 9903 9904 private void cleanUpResourcesLI(List<String> allCodePaths) { 9905 cleanUp(); 9906 9907 if (!allCodePaths.isEmpty()) { 9908 if (instructionSets == null) { 9909 throw new IllegalStateException("instructionSet == null"); 9910 } 9911 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9912 for (String codePath : allCodePaths) { 9913 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9914 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9915 if (retCode < 0) { 9916 Slog.w(TAG, "Couldn't remove dex file for package: " 9917 + " at location " + codePath + ", retcode=" + retCode); 9918 // we don't consider this to be a failure of the core package deletion 9919 } 9920 } 9921 } 9922 } 9923 } 9924 9925 boolean matchContainer(String app) { 9926 if (cid.startsWith(app)) { 9927 return true; 9928 } 9929 return false; 9930 } 9931 9932 String getPackageName() { 9933 return getAsecPackageName(cid); 9934 } 9935 9936 boolean doPostDeleteLI(boolean delete) { 9937 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9938 final List<String> allCodePaths = getAllCodePaths(); 9939 boolean mounted = PackageHelper.isContainerMounted(cid); 9940 if (mounted) { 9941 // Unmount first 9942 if (PackageHelper.unMountSdDir(cid)) { 9943 mounted = false; 9944 } 9945 } 9946 if (!mounted && delete) { 9947 cleanUpResourcesLI(allCodePaths); 9948 } 9949 return !mounted; 9950 } 9951 9952 @Override 9953 int doPreCopy() { 9954 if (isFwdLocked()) { 9955 if (!PackageHelper.fixSdPermissions(cid, 9956 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9957 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9958 } 9959 } 9960 9961 return PackageManager.INSTALL_SUCCEEDED; 9962 } 9963 9964 @Override 9965 int doPostCopy(int uid) { 9966 if (isFwdLocked()) { 9967 if (uid < Process.FIRST_APPLICATION_UID 9968 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9969 RES_FILE_NAME)) { 9970 Slog.e(TAG, "Failed to finalize " + cid); 9971 PackageHelper.destroySdDir(cid); 9972 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9973 } 9974 } 9975 9976 return PackageManager.INSTALL_SUCCEEDED; 9977 } 9978 } 9979 9980 static String getAsecPackageName(String packageCid) { 9981 int idx = packageCid.lastIndexOf("-"); 9982 if (idx == -1) { 9983 return packageCid; 9984 } 9985 return packageCid.substring(0, idx); 9986 } 9987 9988 // Utility method used to create code paths based on package name and available index. 9989 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9990 String idxStr = ""; 9991 int idx = 1; 9992 // Fall back to default value of idx=1 if prefix is not 9993 // part of oldCodePath 9994 if (oldCodePath != null) { 9995 String subStr = oldCodePath; 9996 // Drop the suffix right away 9997 if (suffix != null && subStr.endsWith(suffix)) { 9998 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9999 } 10000 // If oldCodePath already contains prefix find out the 10001 // ending index to either increment or decrement. 10002 int sidx = subStr.lastIndexOf(prefix); 10003 if (sidx != -1) { 10004 subStr = subStr.substring(sidx + prefix.length()); 10005 if (subStr != null) { 10006 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10007 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10008 } 10009 try { 10010 idx = Integer.parseInt(subStr); 10011 if (idx <= 1) { 10012 idx++; 10013 } else { 10014 idx--; 10015 } 10016 } catch(NumberFormatException e) { 10017 } 10018 } 10019 } 10020 } 10021 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10022 return prefix + idxStr; 10023 } 10024 10025 private File getNextCodePath(String packageName) { 10026 int suffix = 1; 10027 File result; 10028 do { 10029 result = new File(mAppInstallDir, packageName + "-" + suffix); 10030 suffix++; 10031 } while (result.exists()); 10032 return result; 10033 } 10034 10035 // Utility method used to ignore ADD/REMOVE events 10036 // by directory observer. 10037 private static boolean ignoreCodePath(String fullPathStr) { 10038 String apkName = deriveCodePathName(fullPathStr); 10039 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10040 if (idx != -1 && ((idx+1) < apkName.length())) { 10041 // Make sure the package ends with a numeral 10042 String version = apkName.substring(idx+1); 10043 try { 10044 Integer.parseInt(version); 10045 return true; 10046 } catch (NumberFormatException e) {} 10047 } 10048 return false; 10049 } 10050 10051 // Utility method that returns the relative package path with respect 10052 // to the installation directory. Like say for /data/data/com.test-1.apk 10053 // string com.test-1 is returned. 10054 static String deriveCodePathName(String codePath) { 10055 if (codePath == null) { 10056 return null; 10057 } 10058 final File codeFile = new File(codePath); 10059 final String name = codeFile.getName(); 10060 if (codeFile.isDirectory()) { 10061 return name; 10062 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10063 final int lastDot = name.lastIndexOf('.'); 10064 return name.substring(0, lastDot); 10065 } else { 10066 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10067 return null; 10068 } 10069 } 10070 10071 class PackageInstalledInfo { 10072 String name; 10073 int uid; 10074 // The set of users that originally had this package installed. 10075 int[] origUsers; 10076 // The set of users that now have this package installed. 10077 int[] newUsers; 10078 PackageParser.Package pkg; 10079 int returnCode; 10080 String returnMsg; 10081 PackageRemovedInfo removedInfo; 10082 10083 public void setError(int code, String msg) { 10084 returnCode = code; 10085 returnMsg = msg; 10086 Slog.w(TAG, msg); 10087 } 10088 10089 public void setError(String msg, PackageParserException e) { 10090 returnCode = e.error; 10091 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10092 Slog.w(TAG, msg, e); 10093 } 10094 10095 public void setError(String msg, PackageManagerException e) { 10096 returnCode = e.error; 10097 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10098 Slog.w(TAG, msg, e); 10099 } 10100 10101 // In some error cases we want to convey more info back to the observer 10102 String origPackage; 10103 String origPermission; 10104 } 10105 10106 /* 10107 * Install a non-existing package. 10108 */ 10109 private void installNewPackageLI(PackageParser.Package pkg, 10110 int parseFlags, int scanFlags, UserHandle user, 10111 String installerPackageName, PackageInstalledInfo res) { 10112 // Remember this for later, in case we need to rollback this install 10113 String pkgName = pkg.packageName; 10114 10115 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10116 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10117 synchronized(mPackages) { 10118 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10119 // A package with the same name is already installed, though 10120 // it has been renamed to an older name. The package we 10121 // are trying to install should be installed as an update to 10122 // the existing one, but that has not been requested, so bail. 10123 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10124 + " without first uninstalling package running as " 10125 + mSettings.mRenamedPackages.get(pkgName)); 10126 return; 10127 } 10128 if (mPackages.containsKey(pkgName)) { 10129 // Don't allow installation over an existing package with the same name. 10130 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10131 + " without first uninstalling."); 10132 return; 10133 } 10134 } 10135 10136 try { 10137 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10138 System.currentTimeMillis(), user); 10139 10140 updateSettingsLI(newPackage, installerPackageName, null, null, res); 10141 // delete the partially installed application. the data directory will have to be 10142 // restored if it was already existing 10143 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10144 // remove package from internal structures. Note that we want deletePackageX to 10145 // delete the package data and cache directories that it created in 10146 // scanPackageLocked, unless those directories existed before we even tried to 10147 // install. 10148 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10149 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10150 res.removedInfo, true); 10151 } 10152 10153 } catch (PackageManagerException e) { 10154 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10155 } 10156 } 10157 10158 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10159 // Upgrade keysets are being used. Determine if new package has a superset of the 10160 // required keys. 10161 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10162 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10163 for (int i = 0; i < upgradeKeySets.length; i++) { 10164 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10165 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10166 return true; 10167 } 10168 } 10169 return false; 10170 } 10171 10172 private void replacePackageLI(PackageParser.Package pkg, 10173 int parseFlags, int scanFlags, UserHandle user, 10174 String installerPackageName, PackageInstalledInfo res) { 10175 PackageParser.Package oldPackage; 10176 String pkgName = pkg.packageName; 10177 int[] allUsers; 10178 boolean[] perUserInstalled; 10179 10180 // First find the old package info and check signatures 10181 synchronized(mPackages) { 10182 oldPackage = mPackages.get(pkgName); 10183 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10184 PackageSetting ps = mSettings.mPackages.get(pkgName); 10185 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10186 // default to original signature matching 10187 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10188 != PackageManager.SIGNATURE_MATCH) { 10189 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10190 "New package has a different signature: " + pkgName); 10191 return; 10192 } 10193 } else { 10194 if(!checkUpgradeKeySetLP(ps, pkg)) { 10195 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10196 "New package not signed by keys specified by upgrade-keysets: " 10197 + pkgName); 10198 return; 10199 } 10200 } 10201 10202 // In case of rollback, remember per-user/profile install state 10203 allUsers = sUserManager.getUserIds(); 10204 perUserInstalled = new boolean[allUsers.length]; 10205 for (int i = 0; i < allUsers.length; i++) { 10206 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10207 } 10208 } 10209 10210 boolean sysPkg = (isSystemApp(oldPackage)); 10211 if (sysPkg) { 10212 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10213 user, allUsers, perUserInstalled, installerPackageName, res); 10214 } else { 10215 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10216 user, allUsers, perUserInstalled, installerPackageName, res); 10217 } 10218 } 10219 10220 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10221 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10222 int[] allUsers, boolean[] perUserInstalled, 10223 String installerPackageName, PackageInstalledInfo res) { 10224 String pkgName = deletedPackage.packageName; 10225 boolean deletedPkg = true; 10226 boolean updatedSettings = false; 10227 10228 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10229 + deletedPackage); 10230 long origUpdateTime; 10231 if (pkg.mExtras != null) { 10232 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10233 } else { 10234 origUpdateTime = 0; 10235 } 10236 10237 // First delete the existing package while retaining the data directory 10238 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10239 res.removedInfo, true)) { 10240 // If the existing package wasn't successfully deleted 10241 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10242 deletedPkg = false; 10243 } else { 10244 // Successfully deleted the old package; proceed with replace. 10245 10246 // If deleted package lived in a container, give users a chance to 10247 // relinquish resources before killing. 10248 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10249 if (DEBUG_INSTALL) { 10250 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10251 } 10252 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10253 final ArrayList<String> pkgList = new ArrayList<String>(1); 10254 pkgList.add(deletedPackage.applicationInfo.packageName); 10255 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10256 } 10257 10258 deleteCodeCacheDirsLI(pkgName); 10259 try { 10260 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10261 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10262 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10263 updatedSettings = true; 10264 } catch (PackageManagerException e) { 10265 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10266 } 10267 } 10268 10269 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10270 // remove package from internal structures. Note that we want deletePackageX to 10271 // delete the package data and cache directories that it created in 10272 // scanPackageLocked, unless those directories existed before we even tried to 10273 // install. 10274 if(updatedSettings) { 10275 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10276 deletePackageLI( 10277 pkgName, null, true, allUsers, perUserInstalled, 10278 PackageManager.DELETE_KEEP_DATA, 10279 res.removedInfo, true); 10280 } 10281 // Since we failed to install the new package we need to restore the old 10282 // package that we deleted. 10283 if (deletedPkg) { 10284 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10285 File restoreFile = new File(deletedPackage.codePath); 10286 // Parse old package 10287 boolean oldOnSd = isExternal(deletedPackage); 10288 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10289 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10290 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10291 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10292 try { 10293 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10294 } catch (PackageManagerException e) { 10295 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10296 + e.getMessage()); 10297 return; 10298 } 10299 // Restore of old package succeeded. Update permissions. 10300 // writer 10301 synchronized (mPackages) { 10302 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10303 UPDATE_PERMISSIONS_ALL); 10304 // can downgrade to reader 10305 mSettings.writeLPr(); 10306 } 10307 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10308 } 10309 } 10310 } 10311 10312 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10313 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10314 int[] allUsers, boolean[] perUserInstalled, 10315 String installerPackageName, PackageInstalledInfo res) { 10316 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10317 + ", old=" + deletedPackage); 10318 boolean disabledSystem = false; 10319 boolean updatedSettings = false; 10320 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10321 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10322 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10323 } 10324 String packageName = deletedPackage.packageName; 10325 if (packageName == null) { 10326 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10327 "Attempt to delete null packageName."); 10328 return; 10329 } 10330 PackageParser.Package oldPkg; 10331 PackageSetting oldPkgSetting; 10332 // reader 10333 synchronized (mPackages) { 10334 oldPkg = mPackages.get(packageName); 10335 oldPkgSetting = mSettings.mPackages.get(packageName); 10336 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10337 (oldPkgSetting == null)) { 10338 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10339 "Couldn't find package:" + packageName + " information"); 10340 return; 10341 } 10342 } 10343 10344 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10345 10346 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10347 res.removedInfo.removedPackage = packageName; 10348 // Remove existing system package 10349 removePackageLI(oldPkgSetting, true); 10350 // writer 10351 synchronized (mPackages) { 10352 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10353 if (!disabledSystem && deletedPackage != null) { 10354 // We didn't need to disable the .apk as a current system package, 10355 // which means we are replacing another update that is already 10356 // installed. We need to make sure to delete the older one's .apk. 10357 res.removedInfo.args = createInstallArgsForExisting(0, 10358 deletedPackage.applicationInfo.getCodePath(), 10359 deletedPackage.applicationInfo.getResourcePath(), 10360 deletedPackage.applicationInfo.nativeLibraryRootDir, 10361 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10362 } else { 10363 res.removedInfo.args = null; 10364 } 10365 } 10366 10367 // Successfully disabled the old package. Now proceed with re-installation 10368 deleteCodeCacheDirsLI(packageName); 10369 10370 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10371 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10372 10373 PackageParser.Package newPackage = null; 10374 try { 10375 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10376 if (newPackage.mExtras != null) { 10377 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10378 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10379 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10380 10381 // is the update attempting to change shared user? that isn't going to work... 10382 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10383 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10384 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10385 + " to " + newPkgSetting.sharedUser); 10386 updatedSettings = true; 10387 } 10388 } 10389 10390 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10391 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10392 updatedSettings = true; 10393 } 10394 10395 } catch (PackageManagerException e) { 10396 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10397 } 10398 10399 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10400 // Re installation failed. Restore old information 10401 // Remove new pkg information 10402 if (newPackage != null) { 10403 removeInstalledPackageLI(newPackage, true); 10404 } 10405 // Add back the old system package 10406 try { 10407 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10408 } catch (PackageManagerException e) { 10409 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10410 } 10411 // Restore the old system information in Settings 10412 synchronized (mPackages) { 10413 if (disabledSystem) { 10414 mSettings.enableSystemPackageLPw(packageName); 10415 } 10416 if (updatedSettings) { 10417 mSettings.setInstallerPackageName(packageName, 10418 oldPkgSetting.installerPackageName); 10419 } 10420 mSettings.writeLPr(); 10421 } 10422 } 10423 } 10424 10425 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10426 int[] allUsers, boolean[] perUserInstalled, 10427 PackageInstalledInfo res) { 10428 String pkgName = newPackage.packageName; 10429 synchronized (mPackages) { 10430 //write settings. the installStatus will be incomplete at this stage. 10431 //note that the new package setting would have already been 10432 //added to mPackages. It hasn't been persisted yet. 10433 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10434 mSettings.writeLPr(); 10435 } 10436 10437 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10438 10439 synchronized (mPackages) { 10440 updatePermissionsLPw(newPackage.packageName, newPackage, 10441 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10442 ? UPDATE_PERMISSIONS_ALL : 0)); 10443 // For system-bundled packages, we assume that installing an upgraded version 10444 // of the package implies that the user actually wants to run that new code, 10445 // so we enable the package. 10446 if (isSystemApp(newPackage)) { 10447 // NB: implicit assumption that system package upgrades apply to all users 10448 if (DEBUG_INSTALL) { 10449 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10450 } 10451 PackageSetting ps = mSettings.mPackages.get(pkgName); 10452 if (ps != null) { 10453 if (res.origUsers != null) { 10454 for (int userHandle : res.origUsers) { 10455 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10456 userHandle, installerPackageName); 10457 } 10458 } 10459 // Also convey the prior install/uninstall state 10460 if (allUsers != null && perUserInstalled != null) { 10461 for (int i = 0; i < allUsers.length; i++) { 10462 if (DEBUG_INSTALL) { 10463 Slog.d(TAG, " user " + allUsers[i] 10464 + " => " + perUserInstalled[i]); 10465 } 10466 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10467 } 10468 // these install state changes will be persisted in the 10469 // upcoming call to mSettings.writeLPr(). 10470 } 10471 } 10472 } 10473 res.name = pkgName; 10474 res.uid = newPackage.applicationInfo.uid; 10475 res.pkg = newPackage; 10476 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10477 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10478 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10479 //to update install status 10480 mSettings.writeLPr(); 10481 } 10482 } 10483 10484 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10485 final int installFlags = args.installFlags; 10486 String installerPackageName = args.installerPackageName; 10487 File tmpPackageFile = new File(args.getCodePath()); 10488 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10489 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10490 boolean replace = false; 10491 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10492 // Result object to be returned 10493 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10494 10495 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10496 // Retrieve PackageSettings and parse package 10497 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10498 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10499 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10500 PackageParser pp = new PackageParser(); 10501 pp.setSeparateProcesses(mSeparateProcesses); 10502 pp.setDisplayMetrics(mMetrics); 10503 10504 final PackageParser.Package pkg; 10505 try { 10506 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10507 } catch (PackageParserException e) { 10508 res.setError("Failed parse during installPackageLI", e); 10509 return; 10510 } 10511 10512 // Mark that we have an install time CPU ABI override. 10513 pkg.cpuAbiOverride = args.abiOverride; 10514 10515 String pkgName = res.name = pkg.packageName; 10516 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10517 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10518 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10519 return; 10520 } 10521 } 10522 10523 try { 10524 pp.collectCertificates(pkg, parseFlags); 10525 pp.collectManifestDigest(pkg); 10526 } catch (PackageParserException e) { 10527 res.setError("Failed collect during installPackageLI", e); 10528 return; 10529 } 10530 10531 /* If the installer passed in a manifest digest, compare it now. */ 10532 if (args.manifestDigest != null) { 10533 if (DEBUG_INSTALL) { 10534 final String parsedManifest = pkg.manifestDigest == null ? "null" 10535 : pkg.manifestDigest.toString(); 10536 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10537 + parsedManifest); 10538 } 10539 10540 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10541 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10542 return; 10543 } 10544 } else if (DEBUG_INSTALL) { 10545 final String parsedManifest = pkg.manifestDigest == null 10546 ? "null" : pkg.manifestDigest.toString(); 10547 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10548 } 10549 10550 // Get rid of all references to package scan path via parser. 10551 pp = null; 10552 String oldCodePath = null; 10553 boolean systemApp = false; 10554 synchronized (mPackages) { 10555 // Check if installing already existing package 10556 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10557 String oldName = mSettings.mRenamedPackages.get(pkgName); 10558 if (pkg.mOriginalPackages != null 10559 && pkg.mOriginalPackages.contains(oldName) 10560 && mPackages.containsKey(oldName)) { 10561 // This package is derived from an original package, 10562 // and this device has been updating from that original 10563 // name. We must continue using the original name, so 10564 // rename the new package here. 10565 pkg.setPackageName(oldName); 10566 pkgName = pkg.packageName; 10567 replace = true; 10568 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10569 + oldName + " pkgName=" + pkgName); 10570 } else if (mPackages.containsKey(pkgName)) { 10571 // This package, under its official name, already exists 10572 // on the device; we should replace it. 10573 replace = true; 10574 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10575 } 10576 } 10577 10578 PackageSetting ps = mSettings.mPackages.get(pkgName); 10579 if (ps != null) { 10580 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10581 10582 // Quick sanity check that we're signed correctly if updating; 10583 // we'll check this again later when scanning, but we want to 10584 // bail early here before tripping over redefined permissions. 10585 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10586 try { 10587 verifySignaturesLP(ps, pkg); 10588 } catch (PackageManagerException e) { 10589 res.setError(e.error, e.getMessage()); 10590 return; 10591 } 10592 } else { 10593 if (!checkUpgradeKeySetLP(ps, pkg)) { 10594 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10595 + pkg.packageName + " upgrade keys do not match the " 10596 + "previously installed version"); 10597 return; 10598 } 10599 } 10600 10601 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10602 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10603 systemApp = (ps.pkg.applicationInfo.flags & 10604 ApplicationInfo.FLAG_SYSTEM) != 0; 10605 } 10606 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10607 } 10608 10609 // Check whether the newly-scanned package wants to define an already-defined perm 10610 int N = pkg.permissions.size(); 10611 for (int i = N-1; i >= 0; i--) { 10612 PackageParser.Permission perm = pkg.permissions.get(i); 10613 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10614 if (bp != null) { 10615 // If the defining package is signed with our cert, it's okay. This 10616 // also includes the "updating the same package" case, of course. 10617 // "updating same package" could also involve key-rotation. 10618 final boolean sigsOk; 10619 if (!bp.sourcePackage.equals(pkg.packageName) 10620 || !(bp.packageSetting instanceof PackageSetting) 10621 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10622 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10623 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10624 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10625 } else { 10626 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10627 } 10628 if (!sigsOk) { 10629 // If the owning package is the system itself, we log but allow 10630 // install to proceed; we fail the install on all other permission 10631 // redefinitions. 10632 if (!bp.sourcePackage.equals("android")) { 10633 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10634 + pkg.packageName + " attempting to redeclare permission " 10635 + perm.info.name + " already owned by " + bp.sourcePackage); 10636 res.origPermission = perm.info.name; 10637 res.origPackage = bp.sourcePackage; 10638 return; 10639 } else { 10640 Slog.w(TAG, "Package " + pkg.packageName 10641 + " attempting to redeclare system permission " 10642 + perm.info.name + "; ignoring new declaration"); 10643 pkg.permissions.remove(i); 10644 } 10645 } 10646 } 10647 } 10648 10649 } 10650 10651 if (systemApp && onSd) { 10652 // Disable updates to system apps on sdcard 10653 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10654 "Cannot install updates to system apps on sdcard"); 10655 return; 10656 } 10657 10658 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10659 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10660 return; 10661 } 10662 10663 if (replace) { 10664 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10665 installerPackageName, res); 10666 } else { 10667 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10668 args.user, installerPackageName, res); 10669 } 10670 synchronized (mPackages) { 10671 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10672 if (ps != null) { 10673 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10674 } 10675 } 10676 } 10677 10678 private static boolean isForwardLocked(PackageParser.Package pkg) { 10679 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10680 } 10681 10682 private static boolean isForwardLocked(ApplicationInfo info) { 10683 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10684 } 10685 10686 private boolean isForwardLocked(PackageSetting ps) { 10687 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10688 } 10689 10690 private static boolean isMultiArch(PackageSetting ps) { 10691 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10692 } 10693 10694 private static boolean isMultiArch(ApplicationInfo info) { 10695 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10696 } 10697 10698 private static boolean isExternal(PackageParser.Package pkg) { 10699 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10700 } 10701 10702 private static boolean isExternal(PackageSetting ps) { 10703 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10704 } 10705 10706 private static boolean isExternal(ApplicationInfo info) { 10707 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10708 } 10709 10710 private static boolean isSystemApp(PackageParser.Package pkg) { 10711 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10712 } 10713 10714 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10715 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10716 } 10717 10718 private static boolean isSystemApp(ApplicationInfo info) { 10719 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10720 } 10721 10722 private static boolean isSystemApp(PackageSetting ps) { 10723 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10724 } 10725 10726 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10727 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10728 } 10729 10730 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10731 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10732 } 10733 10734 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10735 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10736 } 10737 10738 private int packageFlagsToInstallFlags(PackageSetting ps) { 10739 int installFlags = 0; 10740 if (isExternal(ps)) { 10741 installFlags |= PackageManager.INSTALL_EXTERNAL; 10742 } 10743 if (isForwardLocked(ps)) { 10744 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10745 } 10746 return installFlags; 10747 } 10748 10749 private void deleteTempPackageFiles() { 10750 final FilenameFilter filter = new FilenameFilter() { 10751 public boolean accept(File dir, String name) { 10752 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10753 } 10754 }; 10755 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10756 file.delete(); 10757 } 10758 } 10759 10760 @Override 10761 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10762 int flags) { 10763 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10764 flags); 10765 } 10766 10767 @Override 10768 public void deletePackage(final String packageName, 10769 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10770 mContext.enforceCallingOrSelfPermission( 10771 android.Manifest.permission.DELETE_PACKAGES, null); 10772 final int uid = Binder.getCallingUid(); 10773 if (UserHandle.getUserId(uid) != userId) { 10774 mContext.enforceCallingPermission( 10775 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10776 "deletePackage for user " + userId); 10777 } 10778 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10779 try { 10780 observer.onPackageDeleted(packageName, 10781 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10782 } catch (RemoteException re) { 10783 } 10784 return; 10785 } 10786 10787 boolean uninstallBlocked = false; 10788 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10789 int[] users = sUserManager.getUserIds(); 10790 for (int i = 0; i < users.length; ++i) { 10791 if (getBlockUninstallForUser(packageName, users[i])) { 10792 uninstallBlocked = true; 10793 break; 10794 } 10795 } 10796 } else { 10797 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10798 } 10799 if (uninstallBlocked) { 10800 try { 10801 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10802 null); 10803 } catch (RemoteException re) { 10804 } 10805 return; 10806 } 10807 10808 if (DEBUG_REMOVE) { 10809 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10810 } 10811 // Queue up an async operation since the package deletion may take a little while. 10812 mHandler.post(new Runnable() { 10813 public void run() { 10814 mHandler.removeCallbacks(this); 10815 final int returnCode = deletePackageX(packageName, userId, flags); 10816 if (observer != null) { 10817 try { 10818 observer.onPackageDeleted(packageName, returnCode, null); 10819 } catch (RemoteException e) { 10820 Log.i(TAG, "Observer no longer exists."); 10821 } //end catch 10822 } //end if 10823 } //end run 10824 }); 10825 } 10826 10827 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10828 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10829 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10830 try { 10831 if (dpm != null) { 10832 if (dpm.isDeviceOwner(packageName)) { 10833 return true; 10834 } 10835 int[] users; 10836 if (userId == UserHandle.USER_ALL) { 10837 users = sUserManager.getUserIds(); 10838 } else { 10839 users = new int[]{userId}; 10840 } 10841 for (int i = 0; i < users.length; ++i) { 10842 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10843 return true; 10844 } 10845 } 10846 } 10847 } catch (RemoteException e) { 10848 } 10849 return false; 10850 } 10851 10852 /** 10853 * This method is an internal method that could be get invoked either 10854 * to delete an installed package or to clean up a failed installation. 10855 * After deleting an installed package, a broadcast is sent to notify any 10856 * listeners that the package has been installed. For cleaning up a failed 10857 * installation, the broadcast is not necessary since the package's 10858 * installation wouldn't have sent the initial broadcast either 10859 * The key steps in deleting a package are 10860 * deleting the package information in internal structures like mPackages, 10861 * deleting the packages base directories through installd 10862 * updating mSettings to reflect current status 10863 * persisting settings for later use 10864 * sending a broadcast if necessary 10865 */ 10866 private int deletePackageX(String packageName, int userId, int flags) { 10867 final PackageRemovedInfo info = new PackageRemovedInfo(); 10868 final boolean res; 10869 10870 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10871 ? UserHandle.ALL : new UserHandle(userId); 10872 10873 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10874 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10875 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10876 } 10877 10878 boolean removedForAllUsers = false; 10879 boolean systemUpdate = false; 10880 10881 // for the uninstall-updates case and restricted profiles, remember the per- 10882 // userhandle installed state 10883 int[] allUsers; 10884 boolean[] perUserInstalled; 10885 synchronized (mPackages) { 10886 PackageSetting ps = mSettings.mPackages.get(packageName); 10887 allUsers = sUserManager.getUserIds(); 10888 perUserInstalled = new boolean[allUsers.length]; 10889 for (int i = 0; i < allUsers.length; i++) { 10890 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10891 } 10892 } 10893 10894 synchronized (mInstallLock) { 10895 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10896 res = deletePackageLI(packageName, removeForUser, 10897 true, allUsers, perUserInstalled, 10898 flags | REMOVE_CHATTY, info, true); 10899 systemUpdate = info.isRemovedPackageSystemUpdate; 10900 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10901 removedForAllUsers = true; 10902 } 10903 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10904 + " removedForAllUsers=" + removedForAllUsers); 10905 } 10906 10907 if (res) { 10908 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10909 10910 // If the removed package was a system update, the old system package 10911 // was re-enabled; we need to broadcast this information 10912 if (systemUpdate) { 10913 Bundle extras = new Bundle(1); 10914 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10915 ? info.removedAppId : info.uid); 10916 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10917 10918 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10919 extras, null, null, null); 10920 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10921 extras, null, null, null); 10922 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10923 null, packageName, null, null); 10924 } 10925 } 10926 // Force a gc here. 10927 Runtime.getRuntime().gc(); 10928 // Delete the resources here after sending the broadcast to let 10929 // other processes clean up before deleting resources. 10930 if (info.args != null) { 10931 synchronized (mInstallLock) { 10932 info.args.doPostDeleteLI(true); 10933 } 10934 } 10935 10936 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10937 } 10938 10939 static class PackageRemovedInfo { 10940 String removedPackage; 10941 int uid = -1; 10942 int removedAppId = -1; 10943 int[] removedUsers = null; 10944 boolean isRemovedPackageSystemUpdate = false; 10945 // Clean up resources deleted packages. 10946 InstallArgs args = null; 10947 10948 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10949 Bundle extras = new Bundle(1); 10950 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10951 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10952 if (replacing) { 10953 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10954 } 10955 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10956 if (removedPackage != null) { 10957 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10958 extras, null, null, removedUsers); 10959 if (fullRemove && !replacing) { 10960 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10961 extras, null, null, removedUsers); 10962 } 10963 } 10964 if (removedAppId >= 0) { 10965 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10966 removedUsers); 10967 } 10968 } 10969 } 10970 10971 /* 10972 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10973 * flag is not set, the data directory is removed as well. 10974 * make sure this flag is set for partially installed apps. If not its meaningless to 10975 * delete a partially installed application. 10976 */ 10977 private void removePackageDataLI(PackageSetting ps, 10978 int[] allUserHandles, boolean[] perUserInstalled, 10979 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10980 String packageName = ps.name; 10981 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10982 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10983 // Retrieve object to delete permissions for shared user later on 10984 final PackageSetting deletedPs; 10985 // reader 10986 synchronized (mPackages) { 10987 deletedPs = mSettings.mPackages.get(packageName); 10988 if (outInfo != null) { 10989 outInfo.removedPackage = packageName; 10990 outInfo.removedUsers = deletedPs != null 10991 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10992 : null; 10993 } 10994 } 10995 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10996 removeDataDirsLI(packageName); 10997 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10998 } 10999 // writer 11000 synchronized (mPackages) { 11001 if (deletedPs != null) { 11002 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11003 if (outInfo != null) { 11004 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11005 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11006 } 11007 if (deletedPs != null) { 11008 updatePermissionsLPw(deletedPs.name, null, 0); 11009 if (deletedPs.sharedUser != null) { 11010 // remove permissions associated with package 11011 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 11012 } 11013 } 11014 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11015 } 11016 // make sure to preserve per-user disabled state if this removal was just 11017 // a downgrade of a system app to the factory package 11018 if (allUserHandles != null && perUserInstalled != null) { 11019 if (DEBUG_REMOVE) { 11020 Slog.d(TAG, "Propagating install state across downgrade"); 11021 } 11022 for (int i = 0; i < allUserHandles.length; i++) { 11023 if (DEBUG_REMOVE) { 11024 Slog.d(TAG, " user " + allUserHandles[i] 11025 + " => " + perUserInstalled[i]); 11026 } 11027 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11028 } 11029 } 11030 } 11031 // can downgrade to reader 11032 if (writeSettings) { 11033 // Save settings now 11034 mSettings.writeLPr(); 11035 } 11036 } 11037 if (outInfo != null) { 11038 // A user ID was deleted here. Go through all users and remove it 11039 // from KeyStore. 11040 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11041 } 11042 } 11043 11044 static boolean locationIsPrivileged(File path) { 11045 try { 11046 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11047 .getCanonicalPath(); 11048 return path.getCanonicalPath().startsWith(privilegedAppDir); 11049 } catch (IOException e) { 11050 Slog.e(TAG, "Unable to access code path " + path); 11051 } 11052 return false; 11053 } 11054 11055 /* 11056 * Tries to delete system package. 11057 */ 11058 private boolean deleteSystemPackageLI(PackageSetting newPs, 11059 int[] allUserHandles, boolean[] perUserInstalled, 11060 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11061 final boolean applyUserRestrictions 11062 = (allUserHandles != null) && (perUserInstalled != null); 11063 PackageSetting disabledPs = null; 11064 // Confirm if the system package has been updated 11065 // An updated system app can be deleted. This will also have to restore 11066 // the system pkg from system partition 11067 // reader 11068 synchronized (mPackages) { 11069 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11070 } 11071 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11072 + " disabledPs=" + disabledPs); 11073 if (disabledPs == null) { 11074 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11075 return false; 11076 } else if (DEBUG_REMOVE) { 11077 Slog.d(TAG, "Deleting system pkg from data partition"); 11078 } 11079 if (DEBUG_REMOVE) { 11080 if (applyUserRestrictions) { 11081 Slog.d(TAG, "Remembering install states:"); 11082 for (int i = 0; i < allUserHandles.length; i++) { 11083 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11084 } 11085 } 11086 } 11087 // Delete the updated package 11088 outInfo.isRemovedPackageSystemUpdate = true; 11089 if (disabledPs.versionCode < newPs.versionCode) { 11090 // Delete data for downgrades 11091 flags &= ~PackageManager.DELETE_KEEP_DATA; 11092 } else { 11093 // Preserve data by setting flag 11094 flags |= PackageManager.DELETE_KEEP_DATA; 11095 } 11096 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11097 allUserHandles, perUserInstalled, outInfo, writeSettings); 11098 if (!ret) { 11099 return false; 11100 } 11101 // writer 11102 synchronized (mPackages) { 11103 // Reinstate the old system package 11104 mSettings.enableSystemPackageLPw(newPs.name); 11105 // Remove any native libraries from the upgraded package. 11106 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11107 } 11108 // Install the system package 11109 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11110 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11111 if (locationIsPrivileged(disabledPs.codePath)) { 11112 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11113 } 11114 11115 final PackageParser.Package newPkg; 11116 try { 11117 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11118 } catch (PackageManagerException e) { 11119 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11120 return false; 11121 } 11122 11123 // writer 11124 synchronized (mPackages) { 11125 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11126 updatePermissionsLPw(newPkg.packageName, newPkg, 11127 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11128 if (applyUserRestrictions) { 11129 if (DEBUG_REMOVE) { 11130 Slog.d(TAG, "Propagating install state across reinstall"); 11131 } 11132 for (int i = 0; i < allUserHandles.length; i++) { 11133 if (DEBUG_REMOVE) { 11134 Slog.d(TAG, " user " + allUserHandles[i] 11135 + " => " + perUserInstalled[i]); 11136 } 11137 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11138 } 11139 // Regardless of writeSettings we need to ensure that this restriction 11140 // state propagation is persisted 11141 mSettings.writeAllUsersPackageRestrictionsLPr(); 11142 } 11143 // can downgrade to reader here 11144 if (writeSettings) { 11145 mSettings.writeLPr(); 11146 } 11147 } 11148 return true; 11149 } 11150 11151 private boolean deleteInstalledPackageLI(PackageSetting ps, 11152 boolean deleteCodeAndResources, int flags, 11153 int[] allUserHandles, boolean[] perUserInstalled, 11154 PackageRemovedInfo outInfo, boolean writeSettings) { 11155 if (outInfo != null) { 11156 outInfo.uid = ps.appId; 11157 } 11158 11159 // Delete package data from internal structures and also remove data if flag is set 11160 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11161 11162 // Delete application code and resources 11163 if (deleteCodeAndResources && (outInfo != null)) { 11164 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11165 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11166 getAppDexInstructionSets(ps)); 11167 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11168 } 11169 return true; 11170 } 11171 11172 @Override 11173 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11174 int userId) { 11175 mContext.enforceCallingOrSelfPermission( 11176 android.Manifest.permission.DELETE_PACKAGES, null); 11177 synchronized (mPackages) { 11178 PackageSetting ps = mSettings.mPackages.get(packageName); 11179 if (ps == null) { 11180 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11181 return false; 11182 } 11183 if (!ps.getInstalled(userId)) { 11184 // Can't block uninstall for an app that is not installed or enabled. 11185 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11186 return false; 11187 } 11188 ps.setBlockUninstall(blockUninstall, userId); 11189 mSettings.writePackageRestrictionsLPr(userId); 11190 } 11191 return true; 11192 } 11193 11194 @Override 11195 public boolean getBlockUninstallForUser(String packageName, int userId) { 11196 synchronized (mPackages) { 11197 PackageSetting ps = mSettings.mPackages.get(packageName); 11198 if (ps == null) { 11199 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11200 return false; 11201 } 11202 return ps.getBlockUninstall(userId); 11203 } 11204 } 11205 11206 /* 11207 * This method handles package deletion in general 11208 */ 11209 private boolean deletePackageLI(String packageName, UserHandle user, 11210 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11211 int flags, PackageRemovedInfo outInfo, 11212 boolean writeSettings) { 11213 if (packageName == null) { 11214 Slog.w(TAG, "Attempt to delete null packageName."); 11215 return false; 11216 } 11217 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11218 PackageSetting ps; 11219 boolean dataOnly = false; 11220 int removeUser = -1; 11221 int appId = -1; 11222 synchronized (mPackages) { 11223 ps = mSettings.mPackages.get(packageName); 11224 if (ps == null) { 11225 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11226 return false; 11227 } 11228 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11229 && user.getIdentifier() != UserHandle.USER_ALL) { 11230 // The caller is asking that the package only be deleted for a single 11231 // user. To do this, we just mark its uninstalled state and delete 11232 // its data. If this is a system app, we only allow this to happen if 11233 // they have set the special DELETE_SYSTEM_APP which requests different 11234 // semantics than normal for uninstalling system apps. 11235 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11236 ps.setUserState(user.getIdentifier(), 11237 COMPONENT_ENABLED_STATE_DEFAULT, 11238 false, //installed 11239 true, //stopped 11240 true, //notLaunched 11241 false, //hidden 11242 null, null, null, 11243 false // blockUninstall 11244 ); 11245 if (!isSystemApp(ps)) { 11246 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11247 // Other user still have this package installed, so all 11248 // we need to do is clear this user's data and save that 11249 // it is uninstalled. 11250 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11251 removeUser = user.getIdentifier(); 11252 appId = ps.appId; 11253 mSettings.writePackageRestrictionsLPr(removeUser); 11254 } else { 11255 // We need to set it back to 'installed' so the uninstall 11256 // broadcasts will be sent correctly. 11257 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11258 ps.setInstalled(true, user.getIdentifier()); 11259 } 11260 } else { 11261 // This is a system app, so we assume that the 11262 // other users still have this package installed, so all 11263 // we need to do is clear this user's data and save that 11264 // it is uninstalled. 11265 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11266 removeUser = user.getIdentifier(); 11267 appId = ps.appId; 11268 mSettings.writePackageRestrictionsLPr(removeUser); 11269 } 11270 } 11271 } 11272 11273 if (removeUser >= 0) { 11274 // From above, we determined that we are deleting this only 11275 // for a single user. Continue the work here. 11276 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11277 if (outInfo != null) { 11278 outInfo.removedPackage = packageName; 11279 outInfo.removedAppId = appId; 11280 outInfo.removedUsers = new int[] {removeUser}; 11281 } 11282 mInstaller.clearUserData(packageName, removeUser); 11283 removeKeystoreDataIfNeeded(removeUser, appId); 11284 schedulePackageCleaning(packageName, removeUser, false); 11285 return true; 11286 } 11287 11288 if (dataOnly) { 11289 // Delete application data first 11290 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11291 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11292 return true; 11293 } 11294 11295 boolean ret = false; 11296 if (isSystemApp(ps)) { 11297 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11298 // When an updated system application is deleted we delete the existing resources as well and 11299 // fall back to existing code in system partition 11300 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11301 flags, outInfo, writeSettings); 11302 } else { 11303 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11304 // Kill application pre-emptively especially for apps on sd. 11305 killApplication(packageName, ps.appId, "uninstall pkg"); 11306 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11307 allUserHandles, perUserInstalled, 11308 outInfo, writeSettings); 11309 } 11310 11311 return ret; 11312 } 11313 11314 private final class ClearStorageConnection implements ServiceConnection { 11315 IMediaContainerService mContainerService; 11316 11317 @Override 11318 public void onServiceConnected(ComponentName name, IBinder service) { 11319 synchronized (this) { 11320 mContainerService = IMediaContainerService.Stub.asInterface(service); 11321 notifyAll(); 11322 } 11323 } 11324 11325 @Override 11326 public void onServiceDisconnected(ComponentName name) { 11327 } 11328 } 11329 11330 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11331 final boolean mounted; 11332 if (Environment.isExternalStorageEmulated()) { 11333 mounted = true; 11334 } else { 11335 final String status = Environment.getExternalStorageState(); 11336 11337 mounted = status.equals(Environment.MEDIA_MOUNTED) 11338 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11339 } 11340 11341 if (!mounted) { 11342 return; 11343 } 11344 11345 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11346 int[] users; 11347 if (userId == UserHandle.USER_ALL) { 11348 users = sUserManager.getUserIds(); 11349 } else { 11350 users = new int[] { userId }; 11351 } 11352 final ClearStorageConnection conn = new ClearStorageConnection(); 11353 if (mContext.bindServiceAsUser( 11354 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11355 try { 11356 for (int curUser : users) { 11357 long timeout = SystemClock.uptimeMillis() + 5000; 11358 synchronized (conn) { 11359 long now = SystemClock.uptimeMillis(); 11360 while (conn.mContainerService == null && now < timeout) { 11361 try { 11362 conn.wait(timeout - now); 11363 } catch (InterruptedException e) { 11364 } 11365 } 11366 } 11367 if (conn.mContainerService == null) { 11368 return; 11369 } 11370 11371 final UserEnvironment userEnv = new UserEnvironment(curUser); 11372 clearDirectory(conn.mContainerService, 11373 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11374 if (allData) { 11375 clearDirectory(conn.mContainerService, 11376 userEnv.buildExternalStorageAppDataDirs(packageName)); 11377 clearDirectory(conn.mContainerService, 11378 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11379 } 11380 } 11381 } finally { 11382 mContext.unbindService(conn); 11383 } 11384 } 11385 } 11386 11387 @Override 11388 public void clearApplicationUserData(final String packageName, 11389 final IPackageDataObserver observer, final int userId) { 11390 mContext.enforceCallingOrSelfPermission( 11391 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11392 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11393 // Queue up an async operation since the package deletion may take a little while. 11394 mHandler.post(new Runnable() { 11395 public void run() { 11396 mHandler.removeCallbacks(this); 11397 final boolean succeeded; 11398 synchronized (mInstallLock) { 11399 succeeded = clearApplicationUserDataLI(packageName, userId); 11400 } 11401 clearExternalStorageDataSync(packageName, userId, true); 11402 if (succeeded) { 11403 // invoke DeviceStorageMonitor's update method to clear any notifications 11404 DeviceStorageMonitorInternal 11405 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11406 if (dsm != null) { 11407 dsm.checkMemory(); 11408 } 11409 } 11410 if(observer != null) { 11411 try { 11412 observer.onRemoveCompleted(packageName, succeeded); 11413 } catch (RemoteException e) { 11414 Log.i(TAG, "Observer no longer exists."); 11415 } 11416 } //end if observer 11417 } //end run 11418 }); 11419 } 11420 11421 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11422 if (packageName == null) { 11423 Slog.w(TAG, "Attempt to delete null packageName."); 11424 return false; 11425 } 11426 11427 // Try finding details about the requested package 11428 PackageParser.Package pkg; 11429 synchronized (mPackages) { 11430 pkg = mPackages.get(packageName); 11431 if (pkg == null) { 11432 final PackageSetting ps = mSettings.mPackages.get(packageName); 11433 if (ps != null) { 11434 pkg = ps.pkg; 11435 } 11436 } 11437 } 11438 11439 if (pkg == null) { 11440 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11441 } 11442 11443 // Always delete data directories for package, even if we found no other 11444 // record of app. This helps users recover from UID mismatches without 11445 // resorting to a full data wipe. 11446 int retCode = mInstaller.clearUserData(packageName, userId); 11447 if (retCode < 0) { 11448 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11449 return false; 11450 } 11451 11452 if (pkg == null) { 11453 return false; 11454 } 11455 11456 if (pkg != null && pkg.applicationInfo != null) { 11457 final int appId = pkg.applicationInfo.uid; 11458 removeKeystoreDataIfNeeded(userId, appId); 11459 } 11460 11461 // Create a native library symlink only if we have native libraries 11462 // and if the native libraries are 32 bit libraries. We do not provide 11463 // this symlink for 64 bit libraries. 11464 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11465 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11466 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11467 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11468 Slog.w(TAG, "Failed linking native library dir"); 11469 return false; 11470 } 11471 } 11472 11473 return true; 11474 } 11475 11476 /** 11477 * Remove entries from the keystore daemon. Will only remove it if the 11478 * {@code appId} is valid. 11479 */ 11480 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11481 if (appId < 0) { 11482 return; 11483 } 11484 11485 final KeyStore keyStore = KeyStore.getInstance(); 11486 if (keyStore != null) { 11487 if (userId == UserHandle.USER_ALL) { 11488 for (final int individual : sUserManager.getUserIds()) { 11489 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11490 } 11491 } else { 11492 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11493 } 11494 } else { 11495 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11496 } 11497 } 11498 11499 @Override 11500 public void deleteApplicationCacheFiles(final String packageName, 11501 final IPackageDataObserver observer) { 11502 mContext.enforceCallingOrSelfPermission( 11503 android.Manifest.permission.DELETE_CACHE_FILES, null); 11504 // Queue up an async operation since the package deletion may take a little while. 11505 final int userId = UserHandle.getCallingUserId(); 11506 mHandler.post(new Runnable() { 11507 public void run() { 11508 mHandler.removeCallbacks(this); 11509 final boolean succeded; 11510 synchronized (mInstallLock) { 11511 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11512 } 11513 clearExternalStorageDataSync(packageName, userId, false); 11514 if(observer != null) { 11515 try { 11516 observer.onRemoveCompleted(packageName, succeded); 11517 } catch (RemoteException e) { 11518 Log.i(TAG, "Observer no longer exists."); 11519 } 11520 } //end if observer 11521 } //end run 11522 }); 11523 } 11524 11525 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11526 if (packageName == null) { 11527 Slog.w(TAG, "Attempt to delete null packageName."); 11528 return false; 11529 } 11530 PackageParser.Package p; 11531 synchronized (mPackages) { 11532 p = mPackages.get(packageName); 11533 } 11534 if (p == null) { 11535 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11536 return false; 11537 } 11538 final ApplicationInfo applicationInfo = p.applicationInfo; 11539 if (applicationInfo == null) { 11540 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11541 return false; 11542 } 11543 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11544 if (retCode < 0) { 11545 Slog.w(TAG, "Couldn't remove cache files for package: " 11546 + packageName + " u" + userId); 11547 return false; 11548 } 11549 return true; 11550 } 11551 11552 @Override 11553 public void getPackageSizeInfo(final String packageName, int userHandle, 11554 final IPackageStatsObserver observer) { 11555 mContext.enforceCallingOrSelfPermission( 11556 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11557 if (packageName == null) { 11558 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11559 } 11560 11561 PackageStats stats = new PackageStats(packageName, userHandle); 11562 11563 /* 11564 * Queue up an async operation since the package measurement may take a 11565 * little while. 11566 */ 11567 Message msg = mHandler.obtainMessage(INIT_COPY); 11568 msg.obj = new MeasureParams(stats, observer); 11569 mHandler.sendMessage(msg); 11570 } 11571 11572 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11573 PackageStats pStats) { 11574 if (packageName == null) { 11575 Slog.w(TAG, "Attempt to get size of null packageName."); 11576 return false; 11577 } 11578 PackageParser.Package p; 11579 boolean dataOnly = false; 11580 String libDirRoot = null; 11581 String asecPath = null; 11582 PackageSetting ps = null; 11583 synchronized (mPackages) { 11584 p = mPackages.get(packageName); 11585 ps = mSettings.mPackages.get(packageName); 11586 if(p == null) { 11587 dataOnly = true; 11588 if((ps == null) || (ps.pkg == null)) { 11589 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11590 return false; 11591 } 11592 p = ps.pkg; 11593 } 11594 if (ps != null) { 11595 libDirRoot = ps.legacyNativeLibraryPathString; 11596 } 11597 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11598 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11599 if (secureContainerId != null) { 11600 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11601 } 11602 } 11603 } 11604 String publicSrcDir = null; 11605 if(!dataOnly) { 11606 final ApplicationInfo applicationInfo = p.applicationInfo; 11607 if (applicationInfo == null) { 11608 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11609 return false; 11610 } 11611 if (isForwardLocked(p)) { 11612 publicSrcDir = applicationInfo.getBaseResourcePath(); 11613 } 11614 } 11615 // TODO: extend to measure size of split APKs 11616 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11617 // not just the first level. 11618 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11619 // just the primary. 11620 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11621 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11622 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11623 if (res < 0) { 11624 return false; 11625 } 11626 11627 // Fix-up for forward-locked applications in ASEC containers. 11628 if (!isExternal(p)) { 11629 pStats.codeSize += pStats.externalCodeSize; 11630 pStats.externalCodeSize = 0L; 11631 } 11632 11633 return true; 11634 } 11635 11636 11637 @Override 11638 public void addPackageToPreferred(String packageName) { 11639 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11640 } 11641 11642 @Override 11643 public void removePackageFromPreferred(String packageName) { 11644 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11645 } 11646 11647 @Override 11648 public List<PackageInfo> getPreferredPackages(int flags) { 11649 return new ArrayList<PackageInfo>(); 11650 } 11651 11652 private int getUidTargetSdkVersionLockedLPr(int uid) { 11653 Object obj = mSettings.getUserIdLPr(uid); 11654 if (obj instanceof SharedUserSetting) { 11655 final SharedUserSetting sus = (SharedUserSetting) obj; 11656 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11657 final Iterator<PackageSetting> it = sus.packages.iterator(); 11658 while (it.hasNext()) { 11659 final PackageSetting ps = it.next(); 11660 if (ps.pkg != null) { 11661 int v = ps.pkg.applicationInfo.targetSdkVersion; 11662 if (v < vers) vers = v; 11663 } 11664 } 11665 return vers; 11666 } else if (obj instanceof PackageSetting) { 11667 final PackageSetting ps = (PackageSetting) obj; 11668 if (ps.pkg != null) { 11669 return ps.pkg.applicationInfo.targetSdkVersion; 11670 } 11671 } 11672 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11673 } 11674 11675 @Override 11676 public void addPreferredActivity(IntentFilter filter, int match, 11677 ComponentName[] set, ComponentName activity, int userId) { 11678 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11679 "Adding preferred"); 11680 } 11681 11682 private void addPreferredActivityInternal(IntentFilter filter, int match, 11683 ComponentName[] set, ComponentName activity, boolean always, int userId, 11684 String opname) { 11685 // writer 11686 int callingUid = Binder.getCallingUid(); 11687 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11688 if (filter.countActions() == 0) { 11689 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11690 return; 11691 } 11692 synchronized (mPackages) { 11693 if (mContext.checkCallingOrSelfPermission( 11694 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11695 != PackageManager.PERMISSION_GRANTED) { 11696 if (getUidTargetSdkVersionLockedLPr(callingUid) 11697 < Build.VERSION_CODES.FROYO) { 11698 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11699 + callingUid); 11700 return; 11701 } 11702 mContext.enforceCallingOrSelfPermission( 11703 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11704 } 11705 11706 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11707 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11708 + userId + ":"); 11709 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11710 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11711 scheduleWritePackageRestrictionsLocked(userId); 11712 } 11713 } 11714 11715 @Override 11716 public void replacePreferredActivity(IntentFilter filter, int match, 11717 ComponentName[] set, ComponentName activity, int userId) { 11718 if (filter.countActions() != 1) { 11719 throw new IllegalArgumentException( 11720 "replacePreferredActivity expects filter to have only 1 action."); 11721 } 11722 if (filter.countDataAuthorities() != 0 11723 || filter.countDataPaths() != 0 11724 || filter.countDataSchemes() > 1 11725 || filter.countDataTypes() != 0) { 11726 throw new IllegalArgumentException( 11727 "replacePreferredActivity expects filter to have no data authorities, " + 11728 "paths, or types; and at most one scheme."); 11729 } 11730 11731 final int callingUid = Binder.getCallingUid(); 11732 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11733 synchronized (mPackages) { 11734 if (mContext.checkCallingOrSelfPermission( 11735 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11736 != PackageManager.PERMISSION_GRANTED) { 11737 if (getUidTargetSdkVersionLockedLPr(callingUid) 11738 < Build.VERSION_CODES.FROYO) { 11739 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11740 + Binder.getCallingUid()); 11741 return; 11742 } 11743 mContext.enforceCallingOrSelfPermission( 11744 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11745 } 11746 11747 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11748 if (pir != null) { 11749 // Get all of the existing entries that exactly match this filter. 11750 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11751 if (existing != null && existing.size() == 1) { 11752 PreferredActivity cur = existing.get(0); 11753 if (DEBUG_PREFERRED) { 11754 Slog.i(TAG, "Checking replace of preferred:"); 11755 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11756 if (!cur.mPref.mAlways) { 11757 Slog.i(TAG, " -- CUR; not mAlways!"); 11758 } else { 11759 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11760 Slog.i(TAG, " -- CUR: mSet=" 11761 + Arrays.toString(cur.mPref.mSetComponents)); 11762 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11763 Slog.i(TAG, " -- NEW: mMatch=" 11764 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11765 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11766 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11767 } 11768 } 11769 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11770 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11771 && cur.mPref.sameSet(set)) { 11772 // Setting the preferred activity to what it happens to be already 11773 if (DEBUG_PREFERRED) { 11774 Slog.i(TAG, "Replacing with same preferred activity " 11775 + cur.mPref.mShortComponent + " for user " 11776 + userId + ":"); 11777 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11778 } 11779 return; 11780 } 11781 } 11782 11783 if (existing != null) { 11784 if (DEBUG_PREFERRED) { 11785 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11786 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11787 } 11788 for (int i = 0; i < existing.size(); i++) { 11789 PreferredActivity pa = existing.get(i); 11790 if (DEBUG_PREFERRED) { 11791 Slog.i(TAG, "Removing existing preferred activity " 11792 + pa.mPref.mComponent + ":"); 11793 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11794 } 11795 pir.removeFilter(pa); 11796 } 11797 } 11798 } 11799 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11800 "Replacing preferred"); 11801 } 11802 } 11803 11804 @Override 11805 public void clearPackagePreferredActivities(String packageName) { 11806 final int uid = Binder.getCallingUid(); 11807 // writer 11808 synchronized (mPackages) { 11809 PackageParser.Package pkg = mPackages.get(packageName); 11810 if (pkg == null || pkg.applicationInfo.uid != uid) { 11811 if (mContext.checkCallingOrSelfPermission( 11812 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11813 != PackageManager.PERMISSION_GRANTED) { 11814 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11815 < Build.VERSION_CODES.FROYO) { 11816 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11817 + Binder.getCallingUid()); 11818 return; 11819 } 11820 mContext.enforceCallingOrSelfPermission( 11821 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11822 } 11823 } 11824 11825 int user = UserHandle.getCallingUserId(); 11826 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11827 scheduleWritePackageRestrictionsLocked(user); 11828 } 11829 } 11830 } 11831 11832 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11833 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11834 ArrayList<PreferredActivity> removed = null; 11835 boolean changed = false; 11836 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11837 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11838 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11839 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11840 continue; 11841 } 11842 Iterator<PreferredActivity> it = pir.filterIterator(); 11843 while (it.hasNext()) { 11844 PreferredActivity pa = it.next(); 11845 // Mark entry for removal only if it matches the package name 11846 // and the entry is of type "always". 11847 if (packageName == null || 11848 (pa.mPref.mComponent.getPackageName().equals(packageName) 11849 && pa.mPref.mAlways)) { 11850 if (removed == null) { 11851 removed = new ArrayList<PreferredActivity>(); 11852 } 11853 removed.add(pa); 11854 } 11855 } 11856 if (removed != null) { 11857 for (int j=0; j<removed.size(); j++) { 11858 PreferredActivity pa = removed.get(j); 11859 pir.removeFilter(pa); 11860 } 11861 changed = true; 11862 } 11863 } 11864 return changed; 11865 } 11866 11867 @Override 11868 public void resetPreferredActivities(int userId) { 11869 /* TODO: Actually use userId. Why is it being passed in? */ 11870 mContext.enforceCallingOrSelfPermission( 11871 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11872 // writer 11873 synchronized (mPackages) { 11874 int user = UserHandle.getCallingUserId(); 11875 clearPackagePreferredActivitiesLPw(null, user); 11876 mSettings.readDefaultPreferredAppsLPw(this, user); 11877 scheduleWritePackageRestrictionsLocked(user); 11878 } 11879 } 11880 11881 @Override 11882 public int getPreferredActivities(List<IntentFilter> outFilters, 11883 List<ComponentName> outActivities, String packageName) { 11884 11885 int num = 0; 11886 final int userId = UserHandle.getCallingUserId(); 11887 // reader 11888 synchronized (mPackages) { 11889 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11890 if (pir != null) { 11891 final Iterator<PreferredActivity> it = pir.filterIterator(); 11892 while (it.hasNext()) { 11893 final PreferredActivity pa = it.next(); 11894 if (packageName == null 11895 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11896 && pa.mPref.mAlways)) { 11897 if (outFilters != null) { 11898 outFilters.add(new IntentFilter(pa)); 11899 } 11900 if (outActivities != null) { 11901 outActivities.add(pa.mPref.mComponent); 11902 } 11903 } 11904 } 11905 } 11906 } 11907 11908 return num; 11909 } 11910 11911 @Override 11912 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11913 int userId) { 11914 int callingUid = Binder.getCallingUid(); 11915 if (callingUid != Process.SYSTEM_UID) { 11916 throw new SecurityException( 11917 "addPersistentPreferredActivity can only be run by the system"); 11918 } 11919 if (filter.countActions() == 0) { 11920 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11921 return; 11922 } 11923 synchronized (mPackages) { 11924 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11925 " :"); 11926 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11927 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11928 new PersistentPreferredActivity(filter, activity)); 11929 scheduleWritePackageRestrictionsLocked(userId); 11930 } 11931 } 11932 11933 @Override 11934 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11935 int callingUid = Binder.getCallingUid(); 11936 if (callingUid != Process.SYSTEM_UID) { 11937 throw new SecurityException( 11938 "clearPackagePersistentPreferredActivities can only be run by the system"); 11939 } 11940 ArrayList<PersistentPreferredActivity> removed = null; 11941 boolean changed = false; 11942 synchronized (mPackages) { 11943 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11944 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11945 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11946 .valueAt(i); 11947 if (userId != thisUserId) { 11948 continue; 11949 } 11950 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11951 while (it.hasNext()) { 11952 PersistentPreferredActivity ppa = it.next(); 11953 // Mark entry for removal only if it matches the package name. 11954 if (ppa.mComponent.getPackageName().equals(packageName)) { 11955 if (removed == null) { 11956 removed = new ArrayList<PersistentPreferredActivity>(); 11957 } 11958 removed.add(ppa); 11959 } 11960 } 11961 if (removed != null) { 11962 for (int j=0; j<removed.size(); j++) { 11963 PersistentPreferredActivity ppa = removed.get(j); 11964 ppir.removeFilter(ppa); 11965 } 11966 changed = true; 11967 } 11968 } 11969 11970 if (changed) { 11971 scheduleWritePackageRestrictionsLocked(userId); 11972 } 11973 } 11974 } 11975 11976 @Override 11977 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11978 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11979 mContext.enforceCallingOrSelfPermission( 11980 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11981 int callingUid = Binder.getCallingUid(); 11982 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11983 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11984 if (intentFilter.countActions() == 0) { 11985 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11986 return; 11987 } 11988 synchronized (mPackages) { 11989 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11990 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11991 CrossProfileIntentResolver resolver = 11992 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11993 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11994 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11995 if (existing != null) { 11996 int size = existing.size(); 11997 for (int i = 0; i < size; i++) { 11998 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11999 return; 12000 } 12001 } 12002 } 12003 resolver.addFilter(newFilter); 12004 scheduleWritePackageRestrictionsLocked(sourceUserId); 12005 } 12006 } 12007 12008 @Override 12009 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 12010 int ownerUserId) { 12011 mContext.enforceCallingOrSelfPermission( 12012 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12013 int callingUid = Binder.getCallingUid(); 12014 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 12015 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12016 int callingUserId = UserHandle.getUserId(callingUid); 12017 synchronized (mPackages) { 12018 CrossProfileIntentResolver resolver = 12019 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12020 ArraySet<CrossProfileIntentFilter> set = 12021 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12022 for (CrossProfileIntentFilter filter : set) { 12023 if (filter.getOwnerPackage().equals(ownerPackage) 12024 && filter.getOwnerUserId() == callingUserId) { 12025 resolver.removeFilter(filter); 12026 } 12027 } 12028 scheduleWritePackageRestrictionsLocked(sourceUserId); 12029 } 12030 } 12031 12032 // Enforcing that callingUid is owning pkg on userId 12033 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 12034 // The system owns everything. 12035 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12036 return; 12037 } 12038 int callingUserId = UserHandle.getUserId(callingUid); 12039 if (callingUserId != userId) { 12040 throw new SecurityException("calling uid " + callingUid 12041 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 12042 + callingUserId); 12043 } 12044 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12045 if (pi == null) { 12046 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12047 + callingUserId); 12048 } 12049 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12050 throw new SecurityException("Calling uid " + callingUid 12051 + " does not own package " + pkg); 12052 } 12053 } 12054 12055 @Override 12056 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12057 Intent intent = new Intent(Intent.ACTION_MAIN); 12058 intent.addCategory(Intent.CATEGORY_HOME); 12059 12060 final int callingUserId = UserHandle.getCallingUserId(); 12061 List<ResolveInfo> list = queryIntentActivities(intent, null, 12062 PackageManager.GET_META_DATA, callingUserId); 12063 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12064 true, false, false, callingUserId); 12065 12066 allHomeCandidates.clear(); 12067 if (list != null) { 12068 for (ResolveInfo ri : list) { 12069 allHomeCandidates.add(ri); 12070 } 12071 } 12072 return (preferred == null || preferred.activityInfo == null) 12073 ? null 12074 : new ComponentName(preferred.activityInfo.packageName, 12075 preferred.activityInfo.name); 12076 } 12077 12078 @Override 12079 public void setApplicationEnabledSetting(String appPackageName, 12080 int newState, int flags, int userId, String callingPackage) { 12081 if (!sUserManager.exists(userId)) return; 12082 if (callingPackage == null) { 12083 callingPackage = Integer.toString(Binder.getCallingUid()); 12084 } 12085 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12086 } 12087 12088 @Override 12089 public void setComponentEnabledSetting(ComponentName componentName, 12090 int newState, int flags, int userId) { 12091 if (!sUserManager.exists(userId)) return; 12092 setEnabledSetting(componentName.getPackageName(), 12093 componentName.getClassName(), newState, flags, userId, null); 12094 } 12095 12096 private void setEnabledSetting(final String packageName, String className, int newState, 12097 final int flags, int userId, String callingPackage) { 12098 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12099 || newState == COMPONENT_ENABLED_STATE_ENABLED 12100 || newState == COMPONENT_ENABLED_STATE_DISABLED 12101 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12102 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12103 throw new IllegalArgumentException("Invalid new component state: " 12104 + newState); 12105 } 12106 PackageSetting pkgSetting; 12107 final int uid = Binder.getCallingUid(); 12108 final int permission = mContext.checkCallingOrSelfPermission( 12109 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12110 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12111 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12112 boolean sendNow = false; 12113 boolean isApp = (className == null); 12114 String componentName = isApp ? packageName : className; 12115 int packageUid = -1; 12116 ArrayList<String> components; 12117 12118 // writer 12119 synchronized (mPackages) { 12120 pkgSetting = mSettings.mPackages.get(packageName); 12121 if (pkgSetting == null) { 12122 if (className == null) { 12123 throw new IllegalArgumentException( 12124 "Unknown package: " + packageName); 12125 } 12126 throw new IllegalArgumentException( 12127 "Unknown component: " + packageName 12128 + "/" + className); 12129 } 12130 // Allow root and verify that userId is not being specified by a different user 12131 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12132 throw new SecurityException( 12133 "Permission Denial: attempt to change component state from pid=" 12134 + Binder.getCallingPid() 12135 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12136 } 12137 if (className == null) { 12138 // We're dealing with an application/package level state change 12139 if (pkgSetting.getEnabled(userId) == newState) { 12140 // Nothing to do 12141 return; 12142 } 12143 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12144 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12145 // Don't care about who enables an app. 12146 callingPackage = null; 12147 } 12148 pkgSetting.setEnabled(newState, userId, callingPackage); 12149 // pkgSetting.pkg.mSetEnabled = newState; 12150 } else { 12151 // We're dealing with a component level state change 12152 // First, verify that this is a valid class name. 12153 PackageParser.Package pkg = pkgSetting.pkg; 12154 if (pkg == null || !pkg.hasComponentClassName(className)) { 12155 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12156 throw new IllegalArgumentException("Component class " + className 12157 + " does not exist in " + packageName); 12158 } else { 12159 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12160 + className + " does not exist in " + packageName); 12161 } 12162 } 12163 switch (newState) { 12164 case COMPONENT_ENABLED_STATE_ENABLED: 12165 if (!pkgSetting.enableComponentLPw(className, userId)) { 12166 return; 12167 } 12168 break; 12169 case COMPONENT_ENABLED_STATE_DISABLED: 12170 if (!pkgSetting.disableComponentLPw(className, userId)) { 12171 return; 12172 } 12173 break; 12174 case COMPONENT_ENABLED_STATE_DEFAULT: 12175 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12176 return; 12177 } 12178 break; 12179 default: 12180 Slog.e(TAG, "Invalid new component state: " + newState); 12181 return; 12182 } 12183 } 12184 mSettings.writePackageRestrictionsLPr(userId); 12185 components = mPendingBroadcasts.get(userId, packageName); 12186 final boolean newPackage = components == null; 12187 if (newPackage) { 12188 components = new ArrayList<String>(); 12189 } 12190 if (!components.contains(componentName)) { 12191 components.add(componentName); 12192 } 12193 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12194 sendNow = true; 12195 // Purge entry from pending broadcast list if another one exists already 12196 // since we are sending one right away. 12197 mPendingBroadcasts.remove(userId, packageName); 12198 } else { 12199 if (newPackage) { 12200 mPendingBroadcasts.put(userId, packageName, components); 12201 } 12202 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12203 // Schedule a message 12204 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12205 } 12206 } 12207 } 12208 12209 long callingId = Binder.clearCallingIdentity(); 12210 try { 12211 if (sendNow) { 12212 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12213 sendPackageChangedBroadcast(packageName, 12214 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12215 } 12216 } finally { 12217 Binder.restoreCallingIdentity(callingId); 12218 } 12219 } 12220 12221 private void sendPackageChangedBroadcast(String packageName, 12222 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12223 if (DEBUG_INSTALL) 12224 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12225 + componentNames); 12226 Bundle extras = new Bundle(4); 12227 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12228 String nameList[] = new String[componentNames.size()]; 12229 componentNames.toArray(nameList); 12230 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12231 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12232 extras.putInt(Intent.EXTRA_UID, packageUid); 12233 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12234 new int[] {UserHandle.getUserId(packageUid)}); 12235 } 12236 12237 @Override 12238 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12239 if (!sUserManager.exists(userId)) return; 12240 final int uid = Binder.getCallingUid(); 12241 final int permission = mContext.checkCallingOrSelfPermission( 12242 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12243 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12244 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12245 // writer 12246 synchronized (mPackages) { 12247 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12248 uid, userId)) { 12249 scheduleWritePackageRestrictionsLocked(userId); 12250 } 12251 } 12252 } 12253 12254 @Override 12255 public String getInstallerPackageName(String packageName) { 12256 // reader 12257 synchronized (mPackages) { 12258 return mSettings.getInstallerPackageNameLPr(packageName); 12259 } 12260 } 12261 12262 @Override 12263 public int getApplicationEnabledSetting(String packageName, int userId) { 12264 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12265 int uid = Binder.getCallingUid(); 12266 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12267 // reader 12268 synchronized (mPackages) { 12269 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12270 } 12271 } 12272 12273 @Override 12274 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12275 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12276 int uid = Binder.getCallingUid(); 12277 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12278 // reader 12279 synchronized (mPackages) { 12280 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12281 } 12282 } 12283 12284 @Override 12285 public void enterSafeMode() { 12286 enforceSystemOrRoot("Only the system can request entering safe mode"); 12287 12288 if (!mSystemReady) { 12289 mSafeMode = true; 12290 } 12291 } 12292 12293 @Override 12294 public void systemReady() { 12295 mSystemReady = true; 12296 12297 // Read the compatibilty setting when the system is ready. 12298 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12299 mContext.getContentResolver(), 12300 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12301 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12302 if (DEBUG_SETTINGS) { 12303 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12304 } 12305 12306 synchronized (mPackages) { 12307 // Verify that all of the preferred activity components actually 12308 // exist. It is possible for applications to be updated and at 12309 // that point remove a previously declared activity component that 12310 // had been set as a preferred activity. We try to clean this up 12311 // the next time we encounter that preferred activity, but it is 12312 // possible for the user flow to never be able to return to that 12313 // situation so here we do a sanity check to make sure we haven't 12314 // left any junk around. 12315 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12316 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12317 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12318 removed.clear(); 12319 for (PreferredActivity pa : pir.filterSet()) { 12320 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12321 removed.add(pa); 12322 } 12323 } 12324 if (removed.size() > 0) { 12325 for (int r=0; r<removed.size(); r++) { 12326 PreferredActivity pa = removed.get(r); 12327 Slog.w(TAG, "Removing dangling preferred activity: " 12328 + pa.mPref.mComponent); 12329 pir.removeFilter(pa); 12330 } 12331 mSettings.writePackageRestrictionsLPr( 12332 mSettings.mPreferredActivities.keyAt(i)); 12333 } 12334 } 12335 } 12336 sUserManager.systemReady(); 12337 12338 // Kick off any messages waiting for system ready 12339 if (mPostSystemReadyMessages != null) { 12340 for (Message msg : mPostSystemReadyMessages) { 12341 msg.sendToTarget(); 12342 } 12343 mPostSystemReadyMessages = null; 12344 } 12345 } 12346 12347 @Override 12348 public boolean isSafeMode() { 12349 return mSafeMode; 12350 } 12351 12352 @Override 12353 public boolean hasSystemUidErrors() { 12354 return mHasSystemUidErrors; 12355 } 12356 12357 static String arrayToString(int[] array) { 12358 StringBuffer buf = new StringBuffer(128); 12359 buf.append('['); 12360 if (array != null) { 12361 for (int i=0; i<array.length; i++) { 12362 if (i > 0) buf.append(", "); 12363 buf.append(array[i]); 12364 } 12365 } 12366 buf.append(']'); 12367 return buf.toString(); 12368 } 12369 12370 static class DumpState { 12371 public static final int DUMP_LIBS = 1 << 0; 12372 public static final int DUMP_FEATURES = 1 << 1; 12373 public static final int DUMP_RESOLVERS = 1 << 2; 12374 public static final int DUMP_PERMISSIONS = 1 << 3; 12375 public static final int DUMP_PACKAGES = 1 << 4; 12376 public static final int DUMP_SHARED_USERS = 1 << 5; 12377 public static final int DUMP_MESSAGES = 1 << 6; 12378 public static final int DUMP_PROVIDERS = 1 << 7; 12379 public static final int DUMP_VERIFIERS = 1 << 8; 12380 public static final int DUMP_PREFERRED = 1 << 9; 12381 public static final int DUMP_PREFERRED_XML = 1 << 10; 12382 public static final int DUMP_KEYSETS = 1 << 11; 12383 public static final int DUMP_VERSION = 1 << 12; 12384 public static final int DUMP_INSTALLS = 1 << 13; 12385 12386 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12387 12388 private int mTypes; 12389 12390 private int mOptions; 12391 12392 private boolean mTitlePrinted; 12393 12394 private SharedUserSetting mSharedUser; 12395 12396 public boolean isDumping(int type) { 12397 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12398 return true; 12399 } 12400 12401 return (mTypes & type) != 0; 12402 } 12403 12404 public void setDump(int type) { 12405 mTypes |= type; 12406 } 12407 12408 public boolean isOptionEnabled(int option) { 12409 return (mOptions & option) != 0; 12410 } 12411 12412 public void setOptionEnabled(int option) { 12413 mOptions |= option; 12414 } 12415 12416 public boolean onTitlePrinted() { 12417 final boolean printed = mTitlePrinted; 12418 mTitlePrinted = true; 12419 return printed; 12420 } 12421 12422 public boolean getTitlePrinted() { 12423 return mTitlePrinted; 12424 } 12425 12426 public void setTitlePrinted(boolean enabled) { 12427 mTitlePrinted = enabled; 12428 } 12429 12430 public SharedUserSetting getSharedUser() { 12431 return mSharedUser; 12432 } 12433 12434 public void setSharedUser(SharedUserSetting user) { 12435 mSharedUser = user; 12436 } 12437 } 12438 12439 @Override 12440 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12441 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12442 != PackageManager.PERMISSION_GRANTED) { 12443 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12444 + Binder.getCallingPid() 12445 + ", uid=" + Binder.getCallingUid() 12446 + " without permission " 12447 + android.Manifest.permission.DUMP); 12448 return; 12449 } 12450 12451 DumpState dumpState = new DumpState(); 12452 boolean fullPreferred = false; 12453 boolean checkin = false; 12454 12455 String packageName = null; 12456 12457 int opti = 0; 12458 while (opti < args.length) { 12459 String opt = args[opti]; 12460 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12461 break; 12462 } 12463 opti++; 12464 12465 if ("-a".equals(opt)) { 12466 // Right now we only know how to print all. 12467 } else if ("-h".equals(opt)) { 12468 pw.println("Package manager dump options:"); 12469 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12470 pw.println(" --checkin: dump for a checkin"); 12471 pw.println(" -f: print details of intent filters"); 12472 pw.println(" -h: print this help"); 12473 pw.println(" cmd may be one of:"); 12474 pw.println(" l[ibraries]: list known shared libraries"); 12475 pw.println(" f[ibraries]: list device features"); 12476 pw.println(" k[eysets]: print known keysets"); 12477 pw.println(" r[esolvers]: dump intent resolvers"); 12478 pw.println(" perm[issions]: dump permissions"); 12479 pw.println(" pref[erred]: print preferred package settings"); 12480 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12481 pw.println(" prov[iders]: dump content providers"); 12482 pw.println(" p[ackages]: dump installed packages"); 12483 pw.println(" s[hared-users]: dump shared user IDs"); 12484 pw.println(" m[essages]: print collected runtime messages"); 12485 pw.println(" v[erifiers]: print package verifier info"); 12486 pw.println(" version: print database version info"); 12487 pw.println(" write: write current settings now"); 12488 pw.println(" <package.name>: info about given package"); 12489 pw.println(" installs: details about install sessions"); 12490 return; 12491 } else if ("--checkin".equals(opt)) { 12492 checkin = true; 12493 } else if ("-f".equals(opt)) { 12494 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12495 } else { 12496 pw.println("Unknown argument: " + opt + "; use -h for help"); 12497 } 12498 } 12499 12500 // Is the caller requesting to dump a particular piece of data? 12501 if (opti < args.length) { 12502 String cmd = args[opti]; 12503 opti++; 12504 // Is this a package name? 12505 if ("android".equals(cmd) || cmd.contains(".")) { 12506 packageName = cmd; 12507 // When dumping a single package, we always dump all of its 12508 // filter information since the amount of data will be reasonable. 12509 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12510 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12511 dumpState.setDump(DumpState.DUMP_LIBS); 12512 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12513 dumpState.setDump(DumpState.DUMP_FEATURES); 12514 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12515 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12516 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12517 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12518 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12519 dumpState.setDump(DumpState.DUMP_PREFERRED); 12520 } else if ("preferred-xml".equals(cmd)) { 12521 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12522 if (opti < args.length && "--full".equals(args[opti])) { 12523 fullPreferred = true; 12524 opti++; 12525 } 12526 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12527 dumpState.setDump(DumpState.DUMP_PACKAGES); 12528 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12529 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12530 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12531 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12532 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12533 dumpState.setDump(DumpState.DUMP_MESSAGES); 12534 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12535 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12536 } else if ("version".equals(cmd)) { 12537 dumpState.setDump(DumpState.DUMP_VERSION); 12538 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12539 dumpState.setDump(DumpState.DUMP_KEYSETS); 12540 } else if ("installs".equals(cmd)) { 12541 dumpState.setDump(DumpState.DUMP_INSTALLS); 12542 } else if ("write".equals(cmd)) { 12543 synchronized (mPackages) { 12544 mSettings.writeLPr(); 12545 pw.println("Settings written."); 12546 return; 12547 } 12548 } 12549 } 12550 12551 if (checkin) { 12552 pw.println("vers,1"); 12553 } 12554 12555 // reader 12556 synchronized (mPackages) { 12557 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12558 if (!checkin) { 12559 if (dumpState.onTitlePrinted()) 12560 pw.println(); 12561 pw.println("Database versions:"); 12562 pw.print(" SDK Version:"); 12563 pw.print(" internal="); 12564 pw.print(mSettings.mInternalSdkPlatform); 12565 pw.print(" external="); 12566 pw.println(mSettings.mExternalSdkPlatform); 12567 pw.print(" DB Version:"); 12568 pw.print(" internal="); 12569 pw.print(mSettings.mInternalDatabaseVersion); 12570 pw.print(" external="); 12571 pw.println(mSettings.mExternalDatabaseVersion); 12572 } 12573 } 12574 12575 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12576 if (!checkin) { 12577 if (dumpState.onTitlePrinted()) 12578 pw.println(); 12579 pw.println("Verifiers:"); 12580 pw.print(" Required: "); 12581 pw.print(mRequiredVerifierPackage); 12582 pw.print(" (uid="); 12583 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12584 pw.println(")"); 12585 } else if (mRequiredVerifierPackage != null) { 12586 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12587 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12588 } 12589 } 12590 12591 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12592 boolean printedHeader = false; 12593 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12594 while (it.hasNext()) { 12595 String name = it.next(); 12596 SharedLibraryEntry ent = mSharedLibraries.get(name); 12597 if (!checkin) { 12598 if (!printedHeader) { 12599 if (dumpState.onTitlePrinted()) 12600 pw.println(); 12601 pw.println("Libraries:"); 12602 printedHeader = true; 12603 } 12604 pw.print(" "); 12605 } else { 12606 pw.print("lib,"); 12607 } 12608 pw.print(name); 12609 if (!checkin) { 12610 pw.print(" -> "); 12611 } 12612 if (ent.path != null) { 12613 if (!checkin) { 12614 pw.print("(jar) "); 12615 pw.print(ent.path); 12616 } else { 12617 pw.print(",jar,"); 12618 pw.print(ent.path); 12619 } 12620 } else { 12621 if (!checkin) { 12622 pw.print("(apk) "); 12623 pw.print(ent.apk); 12624 } else { 12625 pw.print(",apk,"); 12626 pw.print(ent.apk); 12627 } 12628 } 12629 pw.println(); 12630 } 12631 } 12632 12633 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12634 if (dumpState.onTitlePrinted()) 12635 pw.println(); 12636 if (!checkin) { 12637 pw.println("Features:"); 12638 } 12639 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12640 while (it.hasNext()) { 12641 String name = it.next(); 12642 if (!checkin) { 12643 pw.print(" "); 12644 } else { 12645 pw.print("feat,"); 12646 } 12647 pw.println(name); 12648 } 12649 } 12650 12651 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12652 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12653 : "Activity Resolver Table:", " ", packageName, 12654 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12655 dumpState.setTitlePrinted(true); 12656 } 12657 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12658 : "Receiver Resolver Table:", " ", packageName, 12659 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12660 dumpState.setTitlePrinted(true); 12661 } 12662 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12663 : "Service Resolver Table:", " ", packageName, 12664 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12665 dumpState.setTitlePrinted(true); 12666 } 12667 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12668 : "Provider Resolver Table:", " ", packageName, 12669 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12670 dumpState.setTitlePrinted(true); 12671 } 12672 } 12673 12674 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12675 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12676 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12677 int user = mSettings.mPreferredActivities.keyAt(i); 12678 if (pir.dump(pw, 12679 dumpState.getTitlePrinted() 12680 ? "\nPreferred Activities User " + user + ":" 12681 : "Preferred Activities User " + user + ":", " ", 12682 packageName, true, false)) { 12683 dumpState.setTitlePrinted(true); 12684 } 12685 } 12686 } 12687 12688 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12689 pw.flush(); 12690 FileOutputStream fout = new FileOutputStream(fd); 12691 BufferedOutputStream str = new BufferedOutputStream(fout); 12692 XmlSerializer serializer = new FastXmlSerializer(); 12693 try { 12694 serializer.setOutput(str, "utf-8"); 12695 serializer.startDocument(null, true); 12696 serializer.setFeature( 12697 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12698 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12699 serializer.endDocument(); 12700 serializer.flush(); 12701 } catch (IllegalArgumentException e) { 12702 pw.println("Failed writing: " + e); 12703 } catch (IllegalStateException e) { 12704 pw.println("Failed writing: " + e); 12705 } catch (IOException e) { 12706 pw.println("Failed writing: " + e); 12707 } 12708 } 12709 12710 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12711 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12712 if (packageName == null) { 12713 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12714 if (iperm == 0) { 12715 if (dumpState.onTitlePrinted()) 12716 pw.println(); 12717 pw.println("AppOp Permissions:"); 12718 } 12719 pw.print(" AppOp Permission "); 12720 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12721 pw.println(":"); 12722 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12723 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12724 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12725 } 12726 } 12727 } 12728 } 12729 12730 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12731 boolean printedSomething = false; 12732 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12733 if (packageName != null && !packageName.equals(p.info.packageName)) { 12734 continue; 12735 } 12736 if (!printedSomething) { 12737 if (dumpState.onTitlePrinted()) 12738 pw.println(); 12739 pw.println("Registered ContentProviders:"); 12740 printedSomething = true; 12741 } 12742 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12743 pw.print(" "); pw.println(p.toString()); 12744 } 12745 printedSomething = false; 12746 for (Map.Entry<String, PackageParser.Provider> entry : 12747 mProvidersByAuthority.entrySet()) { 12748 PackageParser.Provider p = entry.getValue(); 12749 if (packageName != null && !packageName.equals(p.info.packageName)) { 12750 continue; 12751 } 12752 if (!printedSomething) { 12753 if (dumpState.onTitlePrinted()) 12754 pw.println(); 12755 pw.println("ContentProvider Authorities:"); 12756 printedSomething = true; 12757 } 12758 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12759 pw.print(" "); pw.println(p.toString()); 12760 if (p.info != null && p.info.applicationInfo != null) { 12761 final String appInfo = p.info.applicationInfo.toString(); 12762 pw.print(" applicationInfo="); pw.println(appInfo); 12763 } 12764 } 12765 } 12766 12767 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12768 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12769 } 12770 12771 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12772 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12773 } 12774 12775 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12776 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12777 } 12778 12779 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12780 // XXX should handle packageName != null by dumping only install data that 12781 // the given package is involved with. 12782 if (dumpState.onTitlePrinted()) pw.println(); 12783 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12784 } 12785 12786 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12787 if (dumpState.onTitlePrinted()) pw.println(); 12788 mSettings.dumpReadMessagesLPr(pw, dumpState); 12789 12790 pw.println(); 12791 pw.println("Package warning messages:"); 12792 BufferedReader in = null; 12793 String line = null; 12794 try { 12795 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12796 while ((line = in.readLine()) != null) { 12797 if (line.contains("ignored: updated version")) continue; 12798 pw.println(line); 12799 } 12800 } catch (IOException ignored) { 12801 } finally { 12802 IoUtils.closeQuietly(in); 12803 } 12804 } 12805 12806 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12807 BufferedReader in = null; 12808 String line = null; 12809 try { 12810 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12811 while ((line = in.readLine()) != null) { 12812 if (line.contains("ignored: updated version")) continue; 12813 pw.print("msg,"); 12814 pw.println(line); 12815 } 12816 } catch (IOException ignored) { 12817 } finally { 12818 IoUtils.closeQuietly(in); 12819 } 12820 } 12821 } 12822 } 12823 12824 // ------- apps on sdcard specific code ------- 12825 static final boolean DEBUG_SD_INSTALL = false; 12826 12827 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12828 12829 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12830 12831 private boolean mMediaMounted = false; 12832 12833 static String getEncryptKey() { 12834 try { 12835 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12836 SD_ENCRYPTION_KEYSTORE_NAME); 12837 if (sdEncKey == null) { 12838 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12839 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12840 if (sdEncKey == null) { 12841 Slog.e(TAG, "Failed to create encryption keys"); 12842 return null; 12843 } 12844 } 12845 return sdEncKey; 12846 } catch (NoSuchAlgorithmException nsae) { 12847 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12848 return null; 12849 } catch (IOException ioe) { 12850 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12851 return null; 12852 } 12853 } 12854 12855 /* 12856 * Update media status on PackageManager. 12857 */ 12858 @Override 12859 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12860 int callingUid = Binder.getCallingUid(); 12861 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12862 throw new SecurityException("Media status can only be updated by the system"); 12863 } 12864 // reader; this apparently protects mMediaMounted, but should probably 12865 // be a different lock in that case. 12866 synchronized (mPackages) { 12867 Log.i(TAG, "Updating external media status from " 12868 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12869 + (mediaStatus ? "mounted" : "unmounted")); 12870 if (DEBUG_SD_INSTALL) 12871 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12872 + ", mMediaMounted=" + mMediaMounted); 12873 if (mediaStatus == mMediaMounted) { 12874 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12875 : 0, -1); 12876 mHandler.sendMessage(msg); 12877 return; 12878 } 12879 mMediaMounted = mediaStatus; 12880 } 12881 // Queue up an async operation since the package installation may take a 12882 // little while. 12883 mHandler.post(new Runnable() { 12884 public void run() { 12885 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12886 } 12887 }); 12888 } 12889 12890 /** 12891 * Called by MountService when the initial ASECs to scan are available. 12892 * Should block until all the ASEC containers are finished being scanned. 12893 */ 12894 public void scanAvailableAsecs() { 12895 updateExternalMediaStatusInner(true, false, false); 12896 if (mShouldRestoreconData) { 12897 SELinuxMMAC.setRestoreconDone(); 12898 mShouldRestoreconData = false; 12899 } 12900 } 12901 12902 /* 12903 * Collect information of applications on external media, map them against 12904 * existing containers and update information based on current mount status. 12905 * Please note that we always have to report status if reportStatus has been 12906 * set to true especially when unloading packages. 12907 */ 12908 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12909 boolean externalStorage) { 12910 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12911 int[] uidArr = EmptyArray.INT; 12912 12913 final String[] list = PackageHelper.getSecureContainerList(); 12914 if (ArrayUtils.isEmpty(list)) { 12915 Log.i(TAG, "No secure containers found"); 12916 } else { 12917 // Process list of secure containers and categorize them 12918 // as active or stale based on their package internal state. 12919 12920 // reader 12921 synchronized (mPackages) { 12922 for (String cid : list) { 12923 // Leave stages untouched for now; installer service owns them 12924 if (PackageInstallerService.isStageName(cid)) continue; 12925 12926 if (DEBUG_SD_INSTALL) 12927 Log.i(TAG, "Processing container " + cid); 12928 String pkgName = getAsecPackageName(cid); 12929 if (pkgName == null) { 12930 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12931 continue; 12932 } 12933 if (DEBUG_SD_INSTALL) 12934 Log.i(TAG, "Looking for pkg : " + pkgName); 12935 12936 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12937 if (ps == null) { 12938 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12939 continue; 12940 } 12941 12942 /* 12943 * Skip packages that are not external if we're unmounting 12944 * external storage. 12945 */ 12946 if (externalStorage && !isMounted && !isExternal(ps)) { 12947 continue; 12948 } 12949 12950 final AsecInstallArgs args = new AsecInstallArgs(cid, 12951 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12952 // The package status is changed only if the code path 12953 // matches between settings and the container id. 12954 if (ps.codePathString != null 12955 && ps.codePathString.startsWith(args.getCodePath())) { 12956 if (DEBUG_SD_INSTALL) { 12957 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12958 + " at code path: " + ps.codePathString); 12959 } 12960 12961 // We do have a valid package installed on sdcard 12962 processCids.put(args, ps.codePathString); 12963 final int uid = ps.appId; 12964 if (uid != -1) { 12965 uidArr = ArrayUtils.appendInt(uidArr, uid); 12966 } 12967 } else { 12968 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12969 + ps.codePathString); 12970 } 12971 } 12972 } 12973 12974 Arrays.sort(uidArr); 12975 } 12976 12977 // Process packages with valid entries. 12978 if (isMounted) { 12979 if (DEBUG_SD_INSTALL) 12980 Log.i(TAG, "Loading packages"); 12981 loadMediaPackages(processCids, uidArr); 12982 startCleaningPackages(); 12983 mInstallerService.onSecureContainersAvailable(); 12984 } else { 12985 if (DEBUG_SD_INSTALL) 12986 Log.i(TAG, "Unloading packages"); 12987 unloadMediaPackages(processCids, uidArr, reportStatus); 12988 } 12989 } 12990 12991 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12992 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12993 int size = pkgList.size(); 12994 if (size > 0) { 12995 // Send broadcasts here 12996 Bundle extras = new Bundle(); 12997 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12998 .toArray(new String[size])); 12999 if (uidArr != null) { 13000 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13001 } 13002 if (replacing) { 13003 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13004 } 13005 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13006 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13007 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13008 } 13009 } 13010 13011 /* 13012 * Look at potentially valid container ids from processCids If package 13013 * information doesn't match the one on record or package scanning fails, 13014 * the cid is added to list of removeCids. We currently don't delete stale 13015 * containers. 13016 */ 13017 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13018 ArrayList<String> pkgList = new ArrayList<String>(); 13019 Set<AsecInstallArgs> keys = processCids.keySet(); 13020 13021 for (AsecInstallArgs args : keys) { 13022 String codePath = processCids.get(args); 13023 if (DEBUG_SD_INSTALL) 13024 Log.i(TAG, "Loading container : " + args.cid); 13025 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13026 try { 13027 // Make sure there are no container errors first. 13028 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13029 Slog.e(TAG, "Failed to mount cid : " + args.cid 13030 + " when installing from sdcard"); 13031 continue; 13032 } 13033 // Check code path here. 13034 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13035 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13036 + " does not match one in settings " + codePath); 13037 continue; 13038 } 13039 // Parse package 13040 int parseFlags = mDefParseFlags; 13041 if (args.isExternal()) { 13042 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13043 } 13044 if (args.isFwdLocked()) { 13045 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13046 } 13047 13048 synchronized (mInstallLock) { 13049 PackageParser.Package pkg = null; 13050 try { 13051 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13052 } catch (PackageManagerException e) { 13053 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13054 } 13055 // Scan the package 13056 if (pkg != null) { 13057 /* 13058 * TODO why is the lock being held? doPostInstall is 13059 * called in other places without the lock. This needs 13060 * to be straightened out. 13061 */ 13062 // writer 13063 synchronized (mPackages) { 13064 retCode = PackageManager.INSTALL_SUCCEEDED; 13065 pkgList.add(pkg.packageName); 13066 // Post process args 13067 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13068 pkg.applicationInfo.uid); 13069 } 13070 } else { 13071 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13072 } 13073 } 13074 13075 } finally { 13076 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13077 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13078 } 13079 } 13080 } 13081 // writer 13082 synchronized (mPackages) { 13083 // If the platform SDK has changed since the last time we booted, 13084 // we need to re-grant app permission to catch any new ones that 13085 // appear. This is really a hack, and means that apps can in some 13086 // cases get permissions that the user didn't initially explicitly 13087 // allow... it would be nice to have some better way to handle 13088 // this situation. 13089 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13090 if (regrantPermissions) 13091 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13092 + mSdkVersion + "; regranting permissions for external storage"); 13093 mSettings.mExternalSdkPlatform = mSdkVersion; 13094 13095 // Make sure group IDs have been assigned, and any permission 13096 // changes in other apps are accounted for 13097 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13098 | (regrantPermissions 13099 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13100 : 0)); 13101 13102 mSettings.updateExternalDatabaseVersion(); 13103 13104 // can downgrade to reader 13105 // Persist settings 13106 mSettings.writeLPr(); 13107 } 13108 // Send a broadcast to let everyone know we are done processing 13109 if (pkgList.size() > 0) { 13110 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13111 } 13112 } 13113 13114 /* 13115 * Utility method to unload a list of specified containers 13116 */ 13117 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13118 // Just unmount all valid containers. 13119 for (AsecInstallArgs arg : cidArgs) { 13120 synchronized (mInstallLock) { 13121 arg.doPostDeleteLI(false); 13122 } 13123 } 13124 } 13125 13126 /* 13127 * Unload packages mounted on external media. This involves deleting package 13128 * data from internal structures, sending broadcasts about diabled packages, 13129 * gc'ing to free up references, unmounting all secure containers 13130 * corresponding to packages on external media, and posting a 13131 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13132 * that we always have to post this message if status has been requested no 13133 * matter what. 13134 */ 13135 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13136 final boolean reportStatus) { 13137 if (DEBUG_SD_INSTALL) 13138 Log.i(TAG, "unloading media packages"); 13139 ArrayList<String> pkgList = new ArrayList<String>(); 13140 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13141 final Set<AsecInstallArgs> keys = processCids.keySet(); 13142 for (AsecInstallArgs args : keys) { 13143 String pkgName = args.getPackageName(); 13144 if (DEBUG_SD_INSTALL) 13145 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13146 // Delete package internally 13147 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13148 synchronized (mInstallLock) { 13149 boolean res = deletePackageLI(pkgName, null, false, null, null, 13150 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13151 if (res) { 13152 pkgList.add(pkgName); 13153 } else { 13154 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13155 failedList.add(args); 13156 } 13157 } 13158 } 13159 13160 // reader 13161 synchronized (mPackages) { 13162 // We didn't update the settings after removing each package; 13163 // write them now for all packages. 13164 mSettings.writeLPr(); 13165 } 13166 13167 // We have to absolutely send UPDATED_MEDIA_STATUS only 13168 // after confirming that all the receivers processed the ordered 13169 // broadcast when packages get disabled, force a gc to clean things up. 13170 // and unload all the containers. 13171 if (pkgList.size() > 0) { 13172 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13173 new IIntentReceiver.Stub() { 13174 public void performReceive(Intent intent, int resultCode, String data, 13175 Bundle extras, boolean ordered, boolean sticky, 13176 int sendingUser) throws RemoteException { 13177 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13178 reportStatus ? 1 : 0, 1, keys); 13179 mHandler.sendMessage(msg); 13180 } 13181 }); 13182 } else { 13183 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13184 keys); 13185 mHandler.sendMessage(msg); 13186 } 13187 } 13188 13189 /** Binder call */ 13190 @Override 13191 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13192 final int flags) { 13193 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13194 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13195 int returnCode = PackageManager.MOVE_SUCCEEDED; 13196 int currInstallFlags = 0; 13197 int newInstallFlags = 0; 13198 13199 File codeFile = null; 13200 String installerPackageName = null; 13201 String packageAbiOverride = null; 13202 13203 // reader 13204 synchronized (mPackages) { 13205 final PackageParser.Package pkg = mPackages.get(packageName); 13206 final PackageSetting ps = mSettings.mPackages.get(packageName); 13207 if (pkg == null || ps == null) { 13208 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13209 } else { 13210 // Disable moving fwd locked apps and system packages 13211 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13212 Slog.w(TAG, "Cannot move system application"); 13213 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13214 } else if (pkg.mOperationPending) { 13215 Slog.w(TAG, "Attempt to move package which has pending operations"); 13216 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13217 } else { 13218 // Find install location first 13219 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13220 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13221 Slog.w(TAG, "Ambigous flags specified for move location."); 13222 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13223 } else { 13224 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13225 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13226 currInstallFlags = isExternal(pkg) 13227 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13228 13229 if (newInstallFlags == currInstallFlags) { 13230 Slog.w(TAG, "No move required. Trying to move to same location"); 13231 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13232 } else { 13233 if (isForwardLocked(pkg)) { 13234 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13235 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13236 } 13237 } 13238 } 13239 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13240 pkg.mOperationPending = true; 13241 } 13242 } 13243 13244 codeFile = new File(pkg.codePath); 13245 installerPackageName = ps.installerPackageName; 13246 packageAbiOverride = ps.cpuAbiOverrideString; 13247 } 13248 } 13249 13250 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13251 try { 13252 observer.packageMoved(packageName, returnCode); 13253 } catch (RemoteException ignored) { 13254 } 13255 return; 13256 } 13257 13258 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13259 @Override 13260 public void onUserActionRequired(Intent intent) throws RemoteException { 13261 throw new IllegalStateException(); 13262 } 13263 13264 @Override 13265 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13266 Bundle extras) throws RemoteException { 13267 Slog.d(TAG, "Install result for move: " 13268 + PackageManager.installStatusToString(returnCode, msg)); 13269 13270 // We usually have a new package now after the install, but if 13271 // we failed we need to clear the pending flag on the original 13272 // package object. 13273 synchronized (mPackages) { 13274 final PackageParser.Package pkg = mPackages.get(packageName); 13275 if (pkg != null) { 13276 pkg.mOperationPending = false; 13277 } 13278 } 13279 13280 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13281 switch (status) { 13282 case PackageInstaller.STATUS_SUCCESS: 13283 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13284 break; 13285 case PackageInstaller.STATUS_FAILURE_STORAGE: 13286 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13287 break; 13288 default: 13289 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13290 break; 13291 } 13292 } 13293 }; 13294 13295 // Treat a move like reinstalling an existing app, which ensures that we 13296 // process everythign uniformly, like unpacking native libraries. 13297 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13298 13299 final Message msg = mHandler.obtainMessage(INIT_COPY); 13300 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13301 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13302 installerPackageName, null, user, packageAbiOverride); 13303 mHandler.sendMessage(msg); 13304 } 13305 13306 @Override 13307 public boolean setInstallLocation(int loc) { 13308 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13309 null); 13310 if (getInstallLocation() == loc) { 13311 return true; 13312 } 13313 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13314 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13315 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13316 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13317 return true; 13318 } 13319 return false; 13320 } 13321 13322 @Override 13323 public int getInstallLocation() { 13324 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13325 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13326 PackageHelper.APP_INSTALL_AUTO); 13327 } 13328 13329 /** Called by UserManagerService */ 13330 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13331 mDirtyUsers.remove(userHandle); 13332 mSettings.removeUserLPw(userHandle); 13333 mPendingBroadcasts.remove(userHandle); 13334 if (mInstaller != null) { 13335 // Technically, we shouldn't be doing this with the package lock 13336 // held. However, this is very rare, and there is already so much 13337 // other disk I/O going on, that we'll let it slide for now. 13338 mInstaller.removeUserDataDirs(userHandle); 13339 } 13340 mUserNeedsBadging.delete(userHandle); 13341 removeUnusedPackagesLILPw(userManager, userHandle); 13342 } 13343 13344 /** 13345 * We're removing userHandle and would like to remove any downloaded packages 13346 * that are no longer in use by any other user. 13347 * @param userHandle the user being removed 13348 */ 13349 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13350 final boolean DEBUG_CLEAN_APKS = false; 13351 int [] users = userManager.getUserIdsLPr(); 13352 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13353 while (psit.hasNext()) { 13354 PackageSetting ps = psit.next(); 13355 if (ps.pkg == null) { 13356 continue; 13357 } 13358 final String packageName = ps.pkg.packageName; 13359 // Skip over if system app 13360 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13361 continue; 13362 } 13363 if (DEBUG_CLEAN_APKS) { 13364 Slog.i(TAG, "Checking package " + packageName); 13365 } 13366 boolean keep = false; 13367 for (int i = 0; i < users.length; i++) { 13368 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13369 keep = true; 13370 if (DEBUG_CLEAN_APKS) { 13371 Slog.i(TAG, " Keeping package " + packageName + " for user " 13372 + users[i]); 13373 } 13374 break; 13375 } 13376 } 13377 if (!keep) { 13378 if (DEBUG_CLEAN_APKS) { 13379 Slog.i(TAG, " Removing package " + packageName); 13380 } 13381 mHandler.post(new Runnable() { 13382 public void run() { 13383 deletePackageX(packageName, userHandle, 0); 13384 } //end run 13385 }); 13386 } 13387 } 13388 } 13389 13390 /** Called by UserManagerService */ 13391 void createNewUserLILPw(int userHandle, File path) { 13392 if (mInstaller != null) { 13393 mInstaller.createUserConfig(userHandle); 13394 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13395 } 13396 } 13397 13398 @Override 13399 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13400 mContext.enforceCallingOrSelfPermission( 13401 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13402 "Only package verification agents can read the verifier device identity"); 13403 13404 synchronized (mPackages) { 13405 return mSettings.getVerifierDeviceIdentityLPw(); 13406 } 13407 } 13408 13409 @Override 13410 public void setPermissionEnforced(String permission, boolean enforced) { 13411 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13412 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13413 synchronized (mPackages) { 13414 if (mSettings.mReadExternalStorageEnforced == null 13415 || mSettings.mReadExternalStorageEnforced != enforced) { 13416 mSettings.mReadExternalStorageEnforced = enforced; 13417 mSettings.writeLPr(); 13418 } 13419 } 13420 // kill any non-foreground processes so we restart them and 13421 // grant/revoke the GID. 13422 final IActivityManager am = ActivityManagerNative.getDefault(); 13423 if (am != null) { 13424 final long token = Binder.clearCallingIdentity(); 13425 try { 13426 am.killProcessesBelowForeground("setPermissionEnforcement"); 13427 } catch (RemoteException e) { 13428 } finally { 13429 Binder.restoreCallingIdentity(token); 13430 } 13431 } 13432 } else { 13433 throw new IllegalArgumentException("No selective enforcement for " + permission); 13434 } 13435 } 13436 13437 @Override 13438 @Deprecated 13439 public boolean isPermissionEnforced(String permission) { 13440 return true; 13441 } 13442 13443 @Override 13444 public boolean isStorageLow() { 13445 final long token = Binder.clearCallingIdentity(); 13446 try { 13447 final DeviceStorageMonitorInternal 13448 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13449 if (dsm != null) { 13450 return dsm.isMemoryLow(); 13451 } else { 13452 return false; 13453 } 13454 } finally { 13455 Binder.restoreCallingIdentity(token); 13456 } 13457 } 13458 13459 @Override 13460 public IPackageInstaller getPackageInstaller() { 13461 return mInstallerService; 13462 } 13463 13464 private boolean userNeedsBadging(int userId) { 13465 int index = mUserNeedsBadging.indexOfKey(userId); 13466 if (index < 0) { 13467 final UserInfo userInfo; 13468 final long token = Binder.clearCallingIdentity(); 13469 try { 13470 userInfo = sUserManager.getUserInfo(userId); 13471 } finally { 13472 Binder.restoreCallingIdentity(token); 13473 } 13474 final boolean b; 13475 if (userInfo != null && userInfo.isManagedProfile()) { 13476 b = true; 13477 } else { 13478 b = false; 13479 } 13480 mUserNeedsBadging.put(userId, b); 13481 return b; 13482 } 13483 return mUserNeedsBadging.valueAt(index); 13484 } 13485 13486 @Override 13487 public KeySet getKeySetByAlias(String packageName, String alias) { 13488 if (packageName == null || alias == null) { 13489 return null; 13490 } 13491 synchronized(mPackages) { 13492 final PackageParser.Package pkg = mPackages.get(packageName); 13493 if (pkg == null) { 13494 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13495 throw new IllegalArgumentException("Unknown package: " + packageName); 13496 } 13497 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13498 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13499 } 13500 } 13501 13502 @Override 13503 public KeySet getSigningKeySet(String packageName) { 13504 if (packageName == null) { 13505 return null; 13506 } 13507 synchronized(mPackages) { 13508 final PackageParser.Package pkg = mPackages.get(packageName); 13509 if (pkg == null) { 13510 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13511 throw new IllegalArgumentException("Unknown package: " + packageName); 13512 } 13513 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13514 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13515 throw new SecurityException("May not access signing KeySet of other apps."); 13516 } 13517 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13518 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13519 } 13520 } 13521 13522 @Override 13523 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13524 if (packageName == null || ks == null) { 13525 return false; 13526 } 13527 synchronized(mPackages) { 13528 final PackageParser.Package pkg = mPackages.get(packageName); 13529 if (pkg == null) { 13530 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13531 throw new IllegalArgumentException("Unknown package: " + packageName); 13532 } 13533 IBinder ksh = ks.getToken(); 13534 if (ksh instanceof KeySetHandle) { 13535 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13536 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13537 } 13538 return false; 13539 } 13540 } 13541 13542 @Override 13543 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13544 if (packageName == null || ks == null) { 13545 return false; 13546 } 13547 synchronized(mPackages) { 13548 final PackageParser.Package pkg = mPackages.get(packageName); 13549 if (pkg == null) { 13550 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13551 throw new IllegalArgumentException("Unknown package: " + packageName); 13552 } 13553 IBinder ksh = ks.getToken(); 13554 if (ksh instanceof KeySetHandle) { 13555 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13556 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13557 } 13558 return false; 13559 } 13560 } 13561 13562 public void getUsageStatsIfNoPackageUsageInfo() { 13563 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13564 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13565 if (usm == null) { 13566 throw new IllegalStateException("UsageStatsManager must be initialized"); 13567 } 13568 long now = System.currentTimeMillis(); 13569 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13570 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13571 String packageName = entry.getKey(); 13572 PackageParser.Package pkg = mPackages.get(packageName); 13573 if (pkg == null) { 13574 continue; 13575 } 13576 UsageStats usage = entry.getValue(); 13577 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13578 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13579 } 13580 } 13581 } 13582 13583 /** 13584 * Check and throw if the given before/after packages would be considered a 13585 * downgrade. 13586 */ 13587 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13588 throws PackageManagerException { 13589 if (after.versionCode < before.mVersionCode) { 13590 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13591 "Update version code " + after.versionCode + " is older than current " 13592 + before.mVersionCode); 13593 } else if (after.versionCode == before.mVersionCode) { 13594 if (after.baseRevisionCode < before.baseRevisionCode) { 13595 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13596 "Update base revision code " + after.baseRevisionCode 13597 + " is older than current " + before.baseRevisionCode); 13598 } 13599 13600 if (!ArrayUtils.isEmpty(after.splitNames)) { 13601 for (int i = 0; i < after.splitNames.length; i++) { 13602 final String splitName = after.splitNames[i]; 13603 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13604 if (j != -1) { 13605 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13606 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13607 "Update split " + splitName + " revision code " 13608 + after.splitRevisionCodes[i] + " is older than current " 13609 + before.splitRevisionCodes[j]); 13610 } 13611 } 13612 } 13613 } 13614 } 13615 } 13616} 13617