PackageManagerService.java revision 561e13d687bf698b759cd0dbb653f3250a5b6917
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 47import static android.content.pm.PackageParser.isApkFile; 48import static android.os.Process.PACKAGE_INFO_GID; 49import static android.os.Process.SYSTEM_UID; 50import static android.system.OsConstants.O_CREAT; 51import static android.system.OsConstants.O_RDWR; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 53import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 54import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 55import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 56import static com.android.internal.util.ArrayUtils.appendInt; 57import static com.android.internal.util.ArrayUtils.removeInt; 58import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 60import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 61import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 62import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 63 64import android.util.ArrayMap; 65 66import com.android.internal.R; 67import com.android.internal.app.IMediaContainerService; 68import com.android.internal.app.ResolverActivity; 69import com.android.internal.content.NativeLibraryHelper; 70import com.android.internal.content.PackageHelper; 71import com.android.internal.os.IParcelFileDescriptorFactory; 72import com.android.internal.util.ArrayUtils; 73import com.android.internal.util.FastPrintWriter; 74import com.android.internal.util.FastXmlSerializer; 75import com.android.internal.util.IndentingPrintWriter; 76import com.android.server.EventLogTags; 77import com.android.server.IntentResolver; 78import com.android.server.LocalServices; 79import com.android.server.ServiceThread; 80import com.android.server.SystemConfig; 81import com.android.server.Watchdog; 82import com.android.server.pm.Settings.DatabaseVersion; 83import com.android.server.storage.DeviceStorageMonitorInternal; 84 85import org.xmlpull.v1.XmlSerializer; 86 87import android.app.ActivityManager; 88import android.app.ActivityManagerNative; 89import android.app.AppGlobals; 90import android.app.IActivityManager; 91import android.app.admin.IDevicePolicyManager; 92import android.app.backup.IBackupManager; 93import android.app.usage.UsageStats; 94import android.app.usage.UsageStatsManager; 95import android.content.BroadcastReceiver; 96import android.content.ComponentName; 97import android.content.Context; 98import android.content.IIntentReceiver; 99import android.content.Intent; 100import android.content.IntentFilter; 101import android.content.IntentSender; 102import android.content.IntentSender.SendIntentException; 103import android.content.ServiceConnection; 104import android.content.pm.ActivityInfo; 105import android.content.pm.ApplicationInfo; 106import android.content.pm.FeatureInfo; 107import android.content.pm.IPackageDataObserver; 108import android.content.pm.IPackageDeleteObserver; 109import android.content.pm.IPackageDeleteObserver2; 110import android.content.pm.IPackageInstallObserver2; 111import android.content.pm.IPackageInstaller; 112import android.content.pm.IPackageManager; 113import android.content.pm.IPackageMoveObserver; 114import android.content.pm.IPackageStatsObserver; 115import android.content.pm.InstrumentationInfo; 116import android.content.pm.KeySet; 117import android.content.pm.ManifestDigest; 118import android.content.pm.PackageCleanItem; 119import android.content.pm.PackageInfo; 120import android.content.pm.PackageInfoLite; 121import android.content.pm.PackageInstaller; 122import android.content.pm.PackageManager; 123import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 124import android.content.pm.PackageParser.ActivityIntentInfo; 125import android.content.pm.PackageParser.PackageLite; 126import android.content.pm.PackageParser.PackageParserException; 127import android.content.pm.PackageParser; 128import android.content.pm.PackageStats; 129import android.content.pm.PackageUserState; 130import android.content.pm.ParceledListSlice; 131import android.content.pm.PermissionGroupInfo; 132import android.content.pm.PermissionInfo; 133import android.content.pm.ProviderInfo; 134import android.content.pm.ResolveInfo; 135import android.content.pm.ServiceInfo; 136import android.content.pm.Signature; 137import android.content.pm.UserInfo; 138import android.content.pm.VerificationParams; 139import android.content.pm.VerifierDeviceIdentity; 140import android.content.pm.VerifierInfo; 141import android.content.res.Resources; 142import android.hardware.display.DisplayManager; 143import android.net.Uri; 144import android.os.Binder; 145import android.os.Build; 146import android.os.Bundle; 147import android.os.Environment; 148import android.os.Environment.UserEnvironment; 149import android.os.storage.IMountService; 150import android.os.storage.StorageManager; 151import android.os.Debug; 152import android.os.FileUtils; 153import android.os.Handler; 154import android.os.IBinder; 155import android.os.Looper; 156import android.os.Message; 157import android.os.Parcel; 158import android.os.ParcelFileDescriptor; 159import android.os.Process; 160import android.os.RemoteException; 161import android.os.SELinux; 162import android.os.ServiceManager; 163import android.os.SystemClock; 164import android.os.SystemProperties; 165import android.os.UserHandle; 166import android.os.UserManager; 167import android.security.KeyStore; 168import android.security.SystemKeyStore; 169import android.system.ErrnoException; 170import android.system.Os; 171import android.system.StructStat; 172import android.text.TextUtils; 173import android.text.format.DateUtils; 174import android.util.ArraySet; 175import android.util.AtomicFile; 176import android.util.DisplayMetrics; 177import android.util.EventLog; 178import android.util.ExceptionUtils; 179import android.util.Log; 180import android.util.LogPrinter; 181import android.util.PrintStreamPrinter; 182import android.util.Slog; 183import android.util.SparseArray; 184import android.util.SparseBooleanArray; 185import android.view.Display; 186 187import java.io.BufferedInputStream; 188import java.io.BufferedOutputStream; 189import java.io.BufferedReader; 190import java.io.File; 191import java.io.FileDescriptor; 192import java.io.FileNotFoundException; 193import java.io.FileOutputStream; 194import java.io.FileReader; 195import java.io.FilenameFilter; 196import java.io.IOException; 197import java.io.InputStream; 198import java.io.PrintWriter; 199import java.nio.charset.StandardCharsets; 200import java.security.NoSuchAlgorithmException; 201import java.security.PublicKey; 202import java.security.cert.CertificateEncodingException; 203import java.security.cert.CertificateException; 204import java.text.SimpleDateFormat; 205import java.util.ArrayList; 206import java.util.Arrays; 207import java.util.Collection; 208import java.util.Collections; 209import java.util.Comparator; 210import java.util.Date; 211import java.util.Iterator; 212import java.util.List; 213import java.util.Map; 214import java.util.Objects; 215import java.util.Set; 216import java.util.concurrent.atomic.AtomicBoolean; 217import java.util.concurrent.atomic.AtomicLong; 218 219import dalvik.system.DexFile; 220import dalvik.system.VMRuntime; 221 222import libcore.io.IoUtils; 223import libcore.util.EmptyArray; 224 225/** 226 * Keep track of all those .apks everywhere. 227 * 228 * This is very central to the platform's security; please run the unit 229 * tests whenever making modifications here: 230 * 231mmm frameworks/base/tests/AndroidTests 232adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 233adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 234 * 235 * {@hide} 236 */ 237public class PackageManagerService extends IPackageManager.Stub { 238 static final String TAG = "PackageManager"; 239 static final boolean DEBUG_SETTINGS = false; 240 static final boolean DEBUG_PREFERRED = false; 241 static final boolean DEBUG_UPGRADE = false; 242 private static final boolean DEBUG_INSTALL = false; 243 private static final boolean DEBUG_REMOVE = false; 244 private static final boolean DEBUG_BROADCASTS = false; 245 private static final boolean DEBUG_SHOW_INFO = false; 246 private static final boolean DEBUG_PACKAGE_INFO = false; 247 private static final boolean DEBUG_INTENT_MATCHING = false; 248 private static final boolean DEBUG_PACKAGE_SCANNING = false; 249 private static final boolean DEBUG_VERIFY = false; 250 private static final boolean DEBUG_DEXOPT = false; 251 private static final boolean DEBUG_ABI_SELECTION = false; 252 253 private static final int RADIO_UID = Process.PHONE_UID; 254 private static final int LOG_UID = Process.LOG_UID; 255 private static final int NFC_UID = Process.NFC_UID; 256 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 257 private static final int SHELL_UID = Process.SHELL_UID; 258 259 // Cap the size of permission trees that 3rd party apps can define 260 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 261 262 // Suffix used during package installation when copying/moving 263 // package apks to install directory. 264 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 265 266 static final int SCAN_NO_DEX = 1<<1; 267 static final int SCAN_FORCE_DEX = 1<<2; 268 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 269 static final int SCAN_NEW_INSTALL = 1<<4; 270 static final int SCAN_NO_PATHS = 1<<5; 271 static final int SCAN_UPDATE_TIME = 1<<6; 272 static final int SCAN_DEFER_DEX = 1<<7; 273 static final int SCAN_BOOTING = 1<<8; 274 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 275 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 276 static final int SCAN_REPLACING = 1<<11; 277 278 static final int REMOVE_CHATTY = 1<<16; 279 280 /** 281 * Timeout (in milliseconds) after which the watchdog should declare that 282 * our handler thread is wedged. The usual default for such things is one 283 * minute but we sometimes do very lengthy I/O operations on this thread, 284 * such as installing multi-gigabyte applications, so ours needs to be longer. 285 */ 286 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 287 288 /** 289 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 290 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 291 * settings entry if available, otherwise we use the hardcoded default. If it's been 292 * more than this long since the last fstrim, we force one during the boot sequence. 293 * 294 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 295 * one gets run at the next available charging+idle time. This final mandatory 296 * no-fstrim check kicks in only of the other scheduling criteria is never met. 297 */ 298 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 299 300 /** 301 * Whether verification is enabled by default. 302 */ 303 private static final boolean DEFAULT_VERIFY_ENABLE = true; 304 305 /** 306 * The default maximum time to wait for the verification agent to return in 307 * milliseconds. 308 */ 309 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 310 311 /** 312 * The default response for package verification timeout. 313 * 314 * This can be either PackageManager.VERIFICATION_ALLOW or 315 * PackageManager.VERIFICATION_REJECT. 316 */ 317 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 318 319 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 320 321 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 322 DEFAULT_CONTAINER_PACKAGE, 323 "com.android.defcontainer.DefaultContainerService"); 324 325 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 326 327 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 328 329 final ServiceThread mHandlerThread; 330 331 final PackageHandler mHandler; 332 333 /** 334 * Messages for {@link #mHandler} that need to wait for system ready before 335 * being dispatched. 336 */ 337 private ArrayList<Message> mPostSystemReadyMessages; 338 339 final int mSdkVersion = Build.VERSION.SDK_INT; 340 341 final Context mContext; 342 final boolean mFactoryTest; 343 final boolean mOnlyCore; 344 final boolean mLazyDexOpt; 345 final long mDexOptLRUThresholdInMills; 346 final DisplayMetrics mMetrics; 347 final int mDefParseFlags; 348 final String[] mSeparateProcesses; 349 final boolean mIsUpgrade; 350 351 // This is where all application persistent data goes. 352 final File mAppDataDir; 353 354 // This is where all application persistent data goes for secondary users. 355 final File mUserAppDataDir; 356 357 /** The location for ASEC container files on internal storage. */ 358 final String mAsecInternalPath; 359 360 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 361 // LOCK HELD. Can be called with mInstallLock held. 362 final Installer mInstaller; 363 364 /** Directory where installed third-party apps stored */ 365 final File mAppInstallDir; 366 367 /** 368 * Directory to which applications installed internally have their 369 * 32 bit native libraries copied. 370 */ 371 private File mAppLib32InstallDir; 372 373 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 374 // apps. 375 final File mDrmAppPrivateInstallDir; 376 377 // ---------------------------------------------------------------- 378 379 // Lock for state used when installing and doing other long running 380 // operations. Methods that must be called with this lock held have 381 // the suffix "LI". 382 final Object mInstallLock = new Object(); 383 384 // ---------------------------------------------------------------- 385 386 // Keys are String (package name), values are Package. This also serves 387 // as the lock for the global state. Methods that must be called with 388 // this lock held have the prefix "LP". 389 final ArrayMap<String, PackageParser.Package> mPackages = 390 new ArrayMap<String, PackageParser.Package>(); 391 392 // Tracks available target package names -> overlay package paths. 393 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 394 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 395 396 final Settings mSettings; 397 boolean mRestoredSettings; 398 399 // System configuration read by SystemConfig. 400 final int[] mGlobalGids; 401 final SparseArray<ArraySet<String>> mSystemPermissions; 402 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 403 404 // If mac_permissions.xml was found for seinfo labeling. 405 boolean mFoundPolicyFile; 406 407 // If a recursive restorecon of /data/data/<pkg> is needed. 408 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 409 410 public static final class SharedLibraryEntry { 411 public final String path; 412 public final String apk; 413 414 SharedLibraryEntry(String _path, String _apk) { 415 path = _path; 416 apk = _apk; 417 } 418 } 419 420 // Currently known shared libraries. 421 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 422 new ArrayMap<String, SharedLibraryEntry>(); 423 424 // All available activities, for your resolving pleasure. 425 final ActivityIntentResolver mActivities = 426 new ActivityIntentResolver(); 427 428 // All available receivers, for your resolving pleasure. 429 final ActivityIntentResolver mReceivers = 430 new ActivityIntentResolver(); 431 432 // All available services, for your resolving pleasure. 433 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 434 435 // All available providers, for your resolving pleasure. 436 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 437 438 // Mapping from provider base names (first directory in content URI codePath) 439 // to the provider information. 440 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 441 new ArrayMap<String, PackageParser.Provider>(); 442 443 // Mapping from instrumentation class names to info about them. 444 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 445 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 446 447 // Mapping from permission names to info about them. 448 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 449 new ArrayMap<String, PackageParser.PermissionGroup>(); 450 451 // Packages whose data we have transfered into another package, thus 452 // should no longer exist. 453 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 454 455 // Broadcast actions that are only available to the system. 456 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 457 458 /** List of packages waiting for verification. */ 459 final SparseArray<PackageVerificationState> mPendingVerification 460 = new SparseArray<PackageVerificationState>(); 461 462 /** Set of packages associated with each app op permission. */ 463 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 464 465 final PackageInstallerService mInstallerService; 466 467 private final PackageDexOptimizer mPackageDexOptimizer; 468 // Cache of users who need badging. 469 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 volatile boolean mSystemReady; 475 volatile boolean mSafeMode; 476 volatile boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new ArrayMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsHistoricalPackageUsageAvailable = true; 626 627 boolean isHistoricalPackageUsageAvailable() { 628 return mIsHistoricalPackageUsageAvailable; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsHistoricalPackageUsageAvailable = false; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 Bundle extras = extrasForInstallResult(res); 1082 args.observer.onPackageInstalled(res.name, res.returnCode, 1083 res.returnMsg, extras); 1084 } catch (RemoteException e) { 1085 Slog.i(TAG, "Observer no longer exists."); 1086 } 1087 } 1088 } else { 1089 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1090 } 1091 } break; 1092 case UPDATED_MEDIA_STATUS: { 1093 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1094 boolean reportStatus = msg.arg1 == 1; 1095 boolean doGc = msg.arg2 == 1; 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1097 if (doGc) { 1098 // Force a gc to clear up stale containers. 1099 Runtime.getRuntime().gc(); 1100 } 1101 if (msg.obj != null) { 1102 @SuppressWarnings("unchecked") 1103 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1104 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1105 // Unload containers 1106 unloadAllContainers(args); 1107 } 1108 if (reportStatus) { 1109 try { 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1111 PackageHelper.getMountService().finishMediaUpdate(); 1112 } catch (RemoteException e) { 1113 Log.e(TAG, "MountService not running?"); 1114 } 1115 } 1116 } break; 1117 case WRITE_SETTINGS: { 1118 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1119 synchronized (mPackages) { 1120 removeMessages(WRITE_SETTINGS); 1121 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1122 mSettings.writeLPr(); 1123 mDirtyUsers.clear(); 1124 } 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } break; 1127 case WRITE_PACKAGE_RESTRICTIONS: { 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1129 synchronized (mPackages) { 1130 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1131 for (int userId : mDirtyUsers) { 1132 mSettings.writePackageRestrictionsLPr(userId); 1133 } 1134 mDirtyUsers.clear(); 1135 } 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 } break; 1138 case CHECK_PENDING_VERIFICATION: { 1139 final int verificationId = msg.arg1; 1140 final PackageVerificationState state = mPendingVerification.get(verificationId); 1141 1142 if ((state != null) && !state.timeoutExtended()) { 1143 final InstallArgs args = state.getInstallArgs(); 1144 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1145 1146 Slog.i(TAG, "Verification timed out for " + originUri); 1147 mPendingVerification.remove(verificationId); 1148 1149 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1150 1151 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1152 Slog.i(TAG, "Continuing with installation of " + originUri); 1153 state.setVerifierResponse(Binder.getCallingUid(), 1154 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1155 broadcastPackageVerified(verificationId, originUri, 1156 PackageManager.VERIFICATION_ALLOW, 1157 state.getInstallArgs().getUser()); 1158 try { 1159 ret = args.copyApk(mContainerService, true); 1160 } catch (RemoteException e) { 1161 Slog.e(TAG, "Could not contact the ContainerService"); 1162 } 1163 } else { 1164 broadcastPackageVerified(verificationId, originUri, 1165 PackageManager.VERIFICATION_REJECT, 1166 state.getInstallArgs().getUser()); 1167 } 1168 1169 processPendingInstall(args, ret); 1170 mHandler.sendEmptyMessage(MCS_UNBIND); 1171 } 1172 break; 1173 } 1174 case PACKAGE_VERIFIED: { 1175 final int verificationId = msg.arg1; 1176 1177 final PackageVerificationState state = mPendingVerification.get(verificationId); 1178 if (state == null) { 1179 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1180 break; 1181 } 1182 1183 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1184 1185 state.setVerifierResponse(response.callerUid, response.code); 1186 1187 if (state.isVerificationComplete()) { 1188 mPendingVerification.remove(verificationId); 1189 1190 final InstallArgs args = state.getInstallArgs(); 1191 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1192 1193 int ret; 1194 if (state.isInstallAllowed()) { 1195 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1196 broadcastPackageVerified(verificationId, originUri, 1197 response.code, state.getInstallArgs().getUser()); 1198 try { 1199 ret = args.copyApk(mContainerService, true); 1200 } catch (RemoteException e) { 1201 Slog.e(TAG, "Could not contact the ContainerService"); 1202 } 1203 } else { 1204 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1205 } 1206 1207 processPendingInstall(args, ret); 1208 1209 mHandler.sendEmptyMessage(MCS_UNBIND); 1210 } 1211 1212 break; 1213 } 1214 } 1215 } 1216 } 1217 1218 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1219 Bundle extras = null; 1220 switch (res.returnCode) { 1221 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1222 extras = new Bundle(); 1223 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1224 res.origPermission); 1225 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1226 res.origPackage); 1227 break; 1228 } 1229 } 1230 return extras; 1231 } 1232 1233 void scheduleWriteSettingsLocked() { 1234 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1235 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1236 } 1237 } 1238 1239 void scheduleWritePackageRestrictionsLocked(int userId) { 1240 if (!sUserManager.exists(userId)) return; 1241 mDirtyUsers.add(userId); 1242 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1243 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1244 } 1245 } 1246 1247 public static final PackageManagerService main(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 PackageManagerService m = new PackageManagerService(context, installer, 1250 factoryTest, onlyCore); 1251 ServiceManager.addService("package", m); 1252 return m; 1253 } 1254 1255 static String[] splitString(String str, char sep) { 1256 int count = 1; 1257 int i = 0; 1258 while ((i=str.indexOf(sep, i)) >= 0) { 1259 count++; 1260 i++; 1261 } 1262 1263 String[] res = new String[count]; 1264 i=0; 1265 count = 0; 1266 int lastI=0; 1267 while ((i=str.indexOf(sep, i)) >= 0) { 1268 res[count] = str.substring(lastI, i); 1269 count++; 1270 i++; 1271 lastI = i; 1272 } 1273 res[count] = str.substring(lastI, str.length()); 1274 return res; 1275 } 1276 1277 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1278 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1279 Context.DISPLAY_SERVICE); 1280 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1281 } 1282 1283 public PackageManagerService(Context context, Installer installer, 1284 boolean factoryTest, boolean onlyCore) { 1285 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1286 SystemClock.uptimeMillis()); 1287 1288 if (mSdkVersion <= 0) { 1289 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1290 } 1291 1292 mContext = context; 1293 mFactoryTest = factoryTest; 1294 mOnlyCore = onlyCore; 1295 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1296 mMetrics = new DisplayMetrics(); 1297 mSettings = new Settings(context); 1298 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1299 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1300 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1301 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1302 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1303 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1304 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1305 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1306 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1307 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1308 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1309 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1310 1311 // TODO: add a property to control this? 1312 long dexOptLRUThresholdInMinutes; 1313 if (mLazyDexOpt) { 1314 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1315 } else { 1316 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1317 } 1318 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1319 1320 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1321 if (separateProcesses != null && separateProcesses.length() > 0) { 1322 if ("*".equals(separateProcesses)) { 1323 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1324 mSeparateProcesses = null; 1325 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = separateProcesses.split(","); 1329 Slog.w(TAG, "Running with debug.separate_processes: " 1330 + separateProcesses); 1331 } 1332 } else { 1333 mDefParseFlags = 0; 1334 mSeparateProcesses = null; 1335 } 1336 1337 mInstaller = installer; 1338 mPackageDexOptimizer = new PackageDexOptimizer(this); 1339 1340 getDefaultDisplayMetrics(context, mMetrics); 1341 1342 SystemConfig systemConfig = SystemConfig.getInstance(); 1343 mGlobalGids = systemConfig.getGlobalGids(); 1344 mSystemPermissions = systemConfig.getSystemPermissions(); 1345 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1346 1347 synchronized (mInstallLock) { 1348 // writer 1349 synchronized (mPackages) { 1350 mHandlerThread = new ServiceThread(TAG, 1351 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1352 mHandlerThread.start(); 1353 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1354 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1355 1356 File dataDir = Environment.getDataDirectory(); 1357 mAppDataDir = new File(dataDir, "data"); 1358 mAppInstallDir = new File(dataDir, "app"); 1359 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1360 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1361 mUserAppDataDir = new File(dataDir, "user"); 1362 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1363 1364 sUserManager = new UserManagerService(context, this, 1365 mInstallLock, mPackages); 1366 1367 // Propagate permission configuration in to package manager. 1368 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1369 = systemConfig.getPermissions(); 1370 for (int i=0; i<permConfig.size(); i++) { 1371 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1372 BasePermission bp = mSettings.mPermissions.get(perm.name); 1373 if (bp == null) { 1374 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1375 mSettings.mPermissions.put(perm.name, bp); 1376 } 1377 if (perm.gids != null) { 1378 bp.gids = appendInts(bp.gids, perm.gids); 1379 } 1380 } 1381 1382 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1383 for (int i=0; i<libConfig.size(); i++) { 1384 mSharedLibraries.put(libConfig.keyAt(i), 1385 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1386 } 1387 1388 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1389 1390 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1391 mSdkVersion, mOnlyCore); 1392 1393 String customResolverActivity = Resources.getSystem().getString( 1394 R.string.config_customResolverActivity); 1395 if (TextUtils.isEmpty(customResolverActivity)) { 1396 customResolverActivity = null; 1397 } else { 1398 mCustomResolverComponentName = ComponentName.unflattenFromString( 1399 customResolverActivity); 1400 } 1401 1402 long startTime = SystemClock.uptimeMillis(); 1403 1404 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1405 startTime); 1406 1407 // Set flag to monitor and not change apk file paths when 1408 // scanning install directories. 1409 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1410 1411 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1412 1413 /** 1414 * Add everything in the in the boot class path to the 1415 * list of process files because dexopt will have been run 1416 * if necessary during zygote startup. 1417 */ 1418 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1419 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1420 1421 if (bootClassPath != null) { 1422 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1423 for (String element : bootClassPathElements) { 1424 alreadyDexOpted.add(element); 1425 } 1426 } else { 1427 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1428 } 1429 1430 if (systemServerClassPath != null) { 1431 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1432 for (String element : systemServerClassPathElements) { 1433 alreadyDexOpted.add(element); 1434 } 1435 } else { 1436 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1437 } 1438 1439 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1440 final String[] dexCodeInstructionSets = 1441 getDexCodeInstructionSets( 1442 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1443 1444 /** 1445 * Ensure all external libraries have had dexopt run on them. 1446 */ 1447 if (mSharedLibraries.size() > 0) { 1448 // NOTE: For now, we're compiling these system "shared libraries" 1449 // (and framework jars) into all available architectures. It's possible 1450 // to compile them only when we come across an app that uses them (there's 1451 // already logic for that in scanPackageLI) but that adds some complexity. 1452 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1453 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1454 final String lib = libEntry.path; 1455 if (lib == null) { 1456 continue; 1457 } 1458 1459 try { 1460 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1461 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1462 alreadyDexOpted.add(lib); 1463 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1464 } 1465 } catch (FileNotFoundException e) { 1466 Slog.w(TAG, "Library not found: " + lib); 1467 } catch (IOException e) { 1468 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1469 + e.getMessage()); 1470 } 1471 } 1472 } 1473 } 1474 1475 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1476 1477 // Gross hack for now: we know this file doesn't contain any 1478 // code, so don't dexopt it to avoid the resulting log spew. 1479 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1480 1481 // Gross hack for now: we know this file is only part of 1482 // the boot class path for art, so don't dexopt it to 1483 // avoid the resulting log spew. 1484 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1485 1486 /** 1487 * And there are a number of commands implemented in Java, which 1488 * we currently need to do the dexopt on so that they can be 1489 * run from a non-root shell. 1490 */ 1491 String[] frameworkFiles = frameworkDir.list(); 1492 if (frameworkFiles != null) { 1493 // TODO: We could compile these only for the most preferred ABI. We should 1494 // first double check that the dex files for these commands are not referenced 1495 // by other system apps. 1496 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1497 for (int i=0; i<frameworkFiles.length; i++) { 1498 File libPath = new File(frameworkDir, frameworkFiles[i]); 1499 String path = libPath.getPath(); 1500 // Skip the file if we already did it. 1501 if (alreadyDexOpted.contains(path)) { 1502 continue; 1503 } 1504 // Skip the file if it is not a type we want to dexopt. 1505 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1506 continue; 1507 } 1508 try { 1509 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 1510 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1511 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1512 } 1513 } catch (FileNotFoundException e) { 1514 Slog.w(TAG, "Jar not found: " + path); 1515 } catch (IOException e) { 1516 Slog.w(TAG, "Exception reading jar: " + path, e); 1517 } 1518 } 1519 } 1520 } 1521 1522 // Collect vendor overlay packages. 1523 // (Do this before scanning any apps.) 1524 // For security and version matching reason, only consider 1525 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1526 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1527 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1528 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1529 1530 // Find base frameworks (resource packages without code). 1531 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1532 | PackageParser.PARSE_IS_SYSTEM_DIR 1533 | PackageParser.PARSE_IS_PRIVILEGED, 1534 scanFlags | SCAN_NO_DEX, 0); 1535 1536 // Collected privileged system packages. 1537 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1538 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR 1540 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1541 1542 // Collect ordinary system packages. 1543 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1544 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1546 1547 // Collect all vendor packages. 1548 File vendorAppDir = new File("/vendor/app"); 1549 try { 1550 vendorAppDir = vendorAppDir.getCanonicalFile(); 1551 } catch (IOException e) { 1552 // failed to look up canonical path, continue with original one 1553 } 1554 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1555 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1556 1557 // Collect all OEM packages. 1558 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1559 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1560 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1561 1562 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1563 mInstaller.moveFiles(); 1564 1565 // Prune any system packages that no longer exist. 1566 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1567 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1568 if (!mOnlyCore) { 1569 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1570 while (psit.hasNext()) { 1571 PackageSetting ps = psit.next(); 1572 1573 /* 1574 * If this is not a system app, it can't be a 1575 * disable system app. 1576 */ 1577 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1578 continue; 1579 } 1580 1581 /* 1582 * If the package is scanned, it's not erased. 1583 */ 1584 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1585 if (scannedPkg != null) { 1586 /* 1587 * If the system app is both scanned and in the 1588 * disabled packages list, then it must have been 1589 * added via OTA. Remove it from the currently 1590 * scanned package so the previously user-installed 1591 * application can be scanned. 1592 */ 1593 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1594 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1595 + ps.name + "; removing system app. Last known codePath=" 1596 + ps.codePathString + ", installStatus=" + ps.installStatus 1597 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1598 + scannedPkg.mVersionCode); 1599 removePackageLI(ps, true); 1600 expectingBetter.put(ps.name, ps.codePath); 1601 } 1602 1603 continue; 1604 } 1605 1606 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 psit.remove(); 1608 logCriticalInfo(Log.WARN, "System package " + ps.name 1609 + " no longer exists; wiping its data"); 1610 removeDataDirsLI(ps.name); 1611 } else { 1612 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1613 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1614 possiblyDeletedUpdatedSystemApps.add(ps.name); 1615 } 1616 } 1617 } 1618 } 1619 1620 //look for any incomplete package installations 1621 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1622 //clean up list 1623 for(int i = 0; i < deletePkgsList.size(); i++) { 1624 //clean up here 1625 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1626 } 1627 //delete tmp files 1628 deleteTempPackageFiles(); 1629 1630 // Remove any shared userIDs that have no associated packages 1631 mSettings.pruneSharedUsersLPw(); 1632 1633 if (!mOnlyCore) { 1634 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1635 SystemClock.uptimeMillis()); 1636 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1637 1638 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1639 scanFlags, 0); 1640 1641 /** 1642 * Remove disable package settings for any updated system 1643 * apps that were removed via an OTA. If they're not a 1644 * previously-updated app, remove them completely. 1645 * Otherwise, just revoke their system-level permissions. 1646 */ 1647 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1648 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1649 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1650 1651 String msg; 1652 if (deletedPkg == null) { 1653 msg = "Updated system package " + deletedAppName 1654 + " no longer exists; wiping its data"; 1655 removeDataDirsLI(deletedAppName); 1656 } else { 1657 msg = "Updated system app + " + deletedAppName 1658 + " no longer present; removing system privileges for " 1659 + deletedAppName; 1660 1661 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1662 1663 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1664 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1665 } 1666 logCriticalInfo(Log.WARN, msg); 1667 } 1668 1669 /** 1670 * Make sure all system apps that we expected to appear on 1671 * the userdata partition actually showed up. If they never 1672 * appeared, crawl back and revive the system version. 1673 */ 1674 for (int i = 0; i < expectingBetter.size(); i++) { 1675 final String packageName = expectingBetter.keyAt(i); 1676 if (!mPackages.containsKey(packageName)) { 1677 final File scanFile = expectingBetter.valueAt(i); 1678 1679 logCriticalInfo(Log.WARN, "Expected better " + packageName 1680 + " but never showed up; reverting to system"); 1681 1682 final int reparseFlags; 1683 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1684 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1685 | PackageParser.PARSE_IS_SYSTEM_DIR 1686 | PackageParser.PARSE_IS_PRIVILEGED; 1687 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1688 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1689 | PackageParser.PARSE_IS_SYSTEM_DIR; 1690 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1691 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1692 | PackageParser.PARSE_IS_SYSTEM_DIR; 1693 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1694 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1695 | PackageParser.PARSE_IS_SYSTEM_DIR; 1696 } else { 1697 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1698 continue; 1699 } 1700 1701 mSettings.enableSystemPackageLPw(packageName); 1702 1703 try { 1704 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1705 } catch (PackageManagerException e) { 1706 Slog.e(TAG, "Failed to parse original system package: " 1707 + e.getMessage()); 1708 } 1709 } 1710 } 1711 } 1712 1713 // Now that we know all of the shared libraries, update all clients to have 1714 // the correct library paths. 1715 updateAllSharedLibrariesLPw(); 1716 1717 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1718 // NOTE: We ignore potential failures here during a system scan (like 1719 // the rest of the commands above) because there's precious little we 1720 // can do about it. A settings error is reported, though. 1721 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1722 false /* force dexopt */, false /* defer dexopt */); 1723 } 1724 1725 // Now that we know all the packages we are keeping, 1726 // read and update their last usage times. 1727 mPackageUsage.readLP(); 1728 1729 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1730 SystemClock.uptimeMillis()); 1731 Slog.i(TAG, "Time to scan packages: " 1732 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1733 + " seconds"); 1734 1735 // If the platform SDK has changed since the last time we booted, 1736 // we need to re-grant app permission to catch any new ones that 1737 // appear. This is really a hack, and means that apps can in some 1738 // cases get permissions that the user didn't initially explicitly 1739 // allow... it would be nice to have some better way to handle 1740 // this situation. 1741 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1742 != mSdkVersion; 1743 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1744 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1745 + "; regranting permissions for internal storage"); 1746 mSettings.mInternalSdkPlatform = mSdkVersion; 1747 1748 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1749 | (regrantPermissions 1750 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1751 : 0)); 1752 1753 // If this is the first boot, and it is a normal boot, then 1754 // we need to initialize the default preferred apps. 1755 if (!mRestoredSettings && !onlyCore) { 1756 mSettings.readDefaultPreferredAppsLPw(this, 0); 1757 } 1758 1759 // If this is first boot after an OTA, and a normal boot, then 1760 // we need to clear code cache directories. 1761 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1762 if (mIsUpgrade && !onlyCore) { 1763 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1764 for (String pkgName : mSettings.mPackages.keySet()) { 1765 deleteCodeCacheDirsLI(pkgName); 1766 } 1767 mSettings.mFingerprint = Build.FINGERPRINT; 1768 } 1769 1770 // All the changes are done during package scanning. 1771 mSettings.updateInternalDatabaseVersion(); 1772 1773 // can downgrade to reader 1774 mSettings.writeLPr(); 1775 1776 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1777 SystemClock.uptimeMillis()); 1778 1779 1780 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1781 } // synchronized (mPackages) 1782 } // synchronized (mInstallLock) 1783 1784 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1785 1786 // Now after opening every single application zip, make sure they 1787 // are all flushed. Not really needed, but keeps things nice and 1788 // tidy. 1789 Runtime.getRuntime().gc(); 1790 } 1791 1792 @Override 1793 public boolean isFirstBoot() { 1794 return !mRestoredSettings; 1795 } 1796 1797 @Override 1798 public boolean isOnlyCoreApps() { 1799 return mOnlyCore; 1800 } 1801 1802 @Override 1803 public boolean isUpgrade() { 1804 return mIsUpgrade; 1805 } 1806 1807 private String getRequiredVerifierLPr() { 1808 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1809 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1810 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1811 1812 String requiredVerifier = null; 1813 1814 final int N = receivers.size(); 1815 for (int i = 0; i < N; i++) { 1816 final ResolveInfo info = receivers.get(i); 1817 1818 if (info.activityInfo == null) { 1819 continue; 1820 } 1821 1822 final String packageName = info.activityInfo.packageName; 1823 1824 final PackageSetting ps = mSettings.mPackages.get(packageName); 1825 if (ps == null) { 1826 continue; 1827 } 1828 1829 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1830 if (!gp.grantedPermissions 1831 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1832 continue; 1833 } 1834 1835 if (requiredVerifier != null) { 1836 throw new RuntimeException("There can be only one required verifier"); 1837 } 1838 1839 requiredVerifier = packageName; 1840 } 1841 1842 return requiredVerifier; 1843 } 1844 1845 @Override 1846 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1847 throws RemoteException { 1848 try { 1849 return super.onTransact(code, data, reply, flags); 1850 } catch (RuntimeException e) { 1851 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1852 Slog.wtf(TAG, "Package Manager Crash", e); 1853 } 1854 throw e; 1855 } 1856 } 1857 1858 void cleanupInstallFailedPackage(PackageSetting ps) { 1859 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1860 1861 removeDataDirsLI(ps.name); 1862 if (ps.codePath != null) { 1863 if (ps.codePath.isDirectory()) { 1864 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 1865 } else { 1866 ps.codePath.delete(); 1867 } 1868 } 1869 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1870 if (ps.resourcePath.isDirectory()) { 1871 FileUtils.deleteContents(ps.resourcePath); 1872 } 1873 ps.resourcePath.delete(); 1874 } 1875 mSettings.removePackageLPw(ps.name); 1876 } 1877 1878 static int[] appendInts(int[] cur, int[] add) { 1879 if (add == null) return cur; 1880 if (cur == null) return add; 1881 final int N = add.length; 1882 for (int i=0; i<N; i++) { 1883 cur = appendInt(cur, add[i]); 1884 } 1885 return cur; 1886 } 1887 1888 static int[] removeInts(int[] cur, int[] rem) { 1889 if (rem == null) return cur; 1890 if (cur == null) return cur; 1891 final int N = rem.length; 1892 for (int i=0; i<N; i++) { 1893 cur = removeInt(cur, rem[i]); 1894 } 1895 return cur; 1896 } 1897 1898 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1899 if (!sUserManager.exists(userId)) return null; 1900 final PackageSetting ps = (PackageSetting) p.mExtras; 1901 if (ps == null) { 1902 return null; 1903 } 1904 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1905 final PackageUserState state = ps.readUserState(userId); 1906 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1907 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1908 state, userId); 1909 } 1910 1911 @Override 1912 public boolean isPackageAvailable(String packageName, int userId) { 1913 if (!sUserManager.exists(userId)) return false; 1914 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1915 synchronized (mPackages) { 1916 PackageParser.Package p = mPackages.get(packageName); 1917 if (p != null) { 1918 final PackageSetting ps = (PackageSetting) p.mExtras; 1919 if (ps != null) { 1920 final PackageUserState state = ps.readUserState(userId); 1921 if (state != null) { 1922 return PackageParser.isAvailable(state); 1923 } 1924 } 1925 } 1926 } 1927 return false; 1928 } 1929 1930 @Override 1931 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1932 if (!sUserManager.exists(userId)) return null; 1933 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1934 // reader 1935 synchronized (mPackages) { 1936 PackageParser.Package p = mPackages.get(packageName); 1937 if (DEBUG_PACKAGE_INFO) 1938 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1939 if (p != null) { 1940 return generatePackageInfo(p, flags, userId); 1941 } 1942 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1943 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1944 } 1945 } 1946 return null; 1947 } 1948 1949 @Override 1950 public String[] currentToCanonicalPackageNames(String[] names) { 1951 String[] out = new String[names.length]; 1952 // reader 1953 synchronized (mPackages) { 1954 for (int i=names.length-1; i>=0; i--) { 1955 PackageSetting ps = mSettings.mPackages.get(names[i]); 1956 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1957 } 1958 } 1959 return out; 1960 } 1961 1962 @Override 1963 public String[] canonicalToCurrentPackageNames(String[] names) { 1964 String[] out = new String[names.length]; 1965 // reader 1966 synchronized (mPackages) { 1967 for (int i=names.length-1; i>=0; i--) { 1968 String cur = mSettings.mRenamedPackages.get(names[i]); 1969 out[i] = cur != null ? cur : names[i]; 1970 } 1971 } 1972 return out; 1973 } 1974 1975 @Override 1976 public int getPackageUid(String packageName, int userId) { 1977 if (!sUserManager.exists(userId)) return -1; 1978 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1979 // reader 1980 synchronized (mPackages) { 1981 PackageParser.Package p = mPackages.get(packageName); 1982 if(p != null) { 1983 return UserHandle.getUid(userId, p.applicationInfo.uid); 1984 } 1985 PackageSetting ps = mSettings.mPackages.get(packageName); 1986 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1987 return -1; 1988 } 1989 p = ps.pkg; 1990 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1991 } 1992 } 1993 1994 @Override 1995 public int[] getPackageGids(String packageName) { 1996 // reader 1997 synchronized (mPackages) { 1998 PackageParser.Package p = mPackages.get(packageName); 1999 if (DEBUG_PACKAGE_INFO) 2000 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2001 if (p != null) { 2002 final PackageSetting ps = (PackageSetting)p.mExtras; 2003 return ps.getGids(); 2004 } 2005 } 2006 // stupid thing to indicate an error. 2007 return new int[0]; 2008 } 2009 2010 static final PermissionInfo generatePermissionInfo( 2011 BasePermission bp, int flags) { 2012 if (bp.perm != null) { 2013 return PackageParser.generatePermissionInfo(bp.perm, flags); 2014 } 2015 PermissionInfo pi = new PermissionInfo(); 2016 pi.name = bp.name; 2017 pi.packageName = bp.sourcePackage; 2018 pi.nonLocalizedLabel = bp.name; 2019 pi.protectionLevel = bp.protectionLevel; 2020 return pi; 2021 } 2022 2023 @Override 2024 public PermissionInfo getPermissionInfo(String name, int flags) { 2025 // reader 2026 synchronized (mPackages) { 2027 final BasePermission p = mSettings.mPermissions.get(name); 2028 if (p != null) { 2029 return generatePermissionInfo(p, flags); 2030 } 2031 return null; 2032 } 2033 } 2034 2035 @Override 2036 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2037 // reader 2038 synchronized (mPackages) { 2039 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2040 for (BasePermission p : mSettings.mPermissions.values()) { 2041 if (group == null) { 2042 if (p.perm == null || p.perm.info.group == null) { 2043 out.add(generatePermissionInfo(p, flags)); 2044 } 2045 } else { 2046 if (p.perm != null && group.equals(p.perm.info.group)) { 2047 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2048 } 2049 } 2050 } 2051 2052 if (out.size() > 0) { 2053 return out; 2054 } 2055 return mPermissionGroups.containsKey(group) ? out : null; 2056 } 2057 } 2058 2059 @Override 2060 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2061 // reader 2062 synchronized (mPackages) { 2063 return PackageParser.generatePermissionGroupInfo( 2064 mPermissionGroups.get(name), flags); 2065 } 2066 } 2067 2068 @Override 2069 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2070 // reader 2071 synchronized (mPackages) { 2072 final int N = mPermissionGroups.size(); 2073 ArrayList<PermissionGroupInfo> out 2074 = new ArrayList<PermissionGroupInfo>(N); 2075 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2076 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2077 } 2078 return out; 2079 } 2080 } 2081 2082 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2083 int userId) { 2084 if (!sUserManager.exists(userId)) return null; 2085 PackageSetting ps = mSettings.mPackages.get(packageName); 2086 if (ps != null) { 2087 if (ps.pkg == null) { 2088 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2089 flags, userId); 2090 if (pInfo != null) { 2091 return pInfo.applicationInfo; 2092 } 2093 return null; 2094 } 2095 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2096 ps.readUserState(userId), userId); 2097 } 2098 return null; 2099 } 2100 2101 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2102 int userId) { 2103 if (!sUserManager.exists(userId)) return null; 2104 PackageSetting ps = mSettings.mPackages.get(packageName); 2105 if (ps != null) { 2106 PackageParser.Package pkg = ps.pkg; 2107 if (pkg == null) { 2108 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2109 return null; 2110 } 2111 // Only data remains, so we aren't worried about code paths 2112 pkg = new PackageParser.Package(packageName); 2113 pkg.applicationInfo.packageName = packageName; 2114 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2115 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2116 pkg.applicationInfo.dataDir = 2117 getDataPathForPackage(packageName, 0).getPath(); 2118 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2119 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2120 } 2121 return generatePackageInfo(pkg, flags, userId); 2122 } 2123 return null; 2124 } 2125 2126 @Override 2127 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2128 if (!sUserManager.exists(userId)) return null; 2129 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2130 // writer 2131 synchronized (mPackages) { 2132 PackageParser.Package p = mPackages.get(packageName); 2133 if (DEBUG_PACKAGE_INFO) Log.v( 2134 TAG, "getApplicationInfo " + packageName 2135 + ": " + p); 2136 if (p != null) { 2137 PackageSetting ps = mSettings.mPackages.get(packageName); 2138 if (ps == null) return null; 2139 // Note: isEnabledLP() does not apply here - always return info 2140 return PackageParser.generateApplicationInfo( 2141 p, flags, ps.readUserState(userId), userId); 2142 } 2143 if ("android".equals(packageName)||"system".equals(packageName)) { 2144 return mAndroidApplication; 2145 } 2146 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2147 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2148 } 2149 } 2150 return null; 2151 } 2152 2153 2154 @Override 2155 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2156 mContext.enforceCallingOrSelfPermission( 2157 android.Manifest.permission.CLEAR_APP_CACHE, null); 2158 // Queue up an async operation since clearing cache may take a little while. 2159 mHandler.post(new Runnable() { 2160 public void run() { 2161 mHandler.removeCallbacks(this); 2162 int retCode = -1; 2163 synchronized (mInstallLock) { 2164 retCode = mInstaller.freeCache(freeStorageSize); 2165 if (retCode < 0) { 2166 Slog.w(TAG, "Couldn't clear application caches"); 2167 } 2168 } 2169 if (observer != null) { 2170 try { 2171 observer.onRemoveCompleted(null, (retCode >= 0)); 2172 } catch (RemoteException e) { 2173 Slog.w(TAG, "RemoveException when invoking call back"); 2174 } 2175 } 2176 } 2177 }); 2178 } 2179 2180 @Override 2181 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2182 mContext.enforceCallingOrSelfPermission( 2183 android.Manifest.permission.CLEAR_APP_CACHE, null); 2184 // Queue up an async operation since clearing cache may take a little while. 2185 mHandler.post(new Runnable() { 2186 public void run() { 2187 mHandler.removeCallbacks(this); 2188 int retCode = -1; 2189 synchronized (mInstallLock) { 2190 retCode = mInstaller.freeCache(freeStorageSize); 2191 if (retCode < 0) { 2192 Slog.w(TAG, "Couldn't clear application caches"); 2193 } 2194 } 2195 if(pi != null) { 2196 try { 2197 // Callback via pending intent 2198 int code = (retCode >= 0) ? 1 : 0; 2199 pi.sendIntent(null, code, null, 2200 null, null); 2201 } catch (SendIntentException e1) { 2202 Slog.i(TAG, "Failed to send pending intent"); 2203 } 2204 } 2205 } 2206 }); 2207 } 2208 2209 void freeStorage(long freeStorageSize) throws IOException { 2210 synchronized (mInstallLock) { 2211 if (mInstaller.freeCache(freeStorageSize) < 0) { 2212 throw new IOException("Failed to free enough space"); 2213 } 2214 } 2215 } 2216 2217 @Override 2218 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2219 if (!sUserManager.exists(userId)) return null; 2220 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2221 synchronized (mPackages) { 2222 PackageParser.Activity a = mActivities.mActivities.get(component); 2223 2224 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2225 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2226 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2227 if (ps == null) return null; 2228 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2229 userId); 2230 } 2231 if (mResolveComponentName.equals(component)) { 2232 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2233 new PackageUserState(), userId); 2234 } 2235 } 2236 return null; 2237 } 2238 2239 @Override 2240 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2241 String resolvedType) { 2242 synchronized (mPackages) { 2243 PackageParser.Activity a = mActivities.mActivities.get(component); 2244 if (a == null) { 2245 return false; 2246 } 2247 for (int i=0; i<a.intents.size(); i++) { 2248 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2249 intent.getData(), intent.getCategories(), TAG) >= 0) { 2250 return true; 2251 } 2252 } 2253 return false; 2254 } 2255 } 2256 2257 @Override 2258 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2259 if (!sUserManager.exists(userId)) return null; 2260 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2261 synchronized (mPackages) { 2262 PackageParser.Activity a = mReceivers.mActivities.get(component); 2263 if (DEBUG_PACKAGE_INFO) Log.v( 2264 TAG, "getReceiverInfo " + component + ": " + a); 2265 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2266 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2267 if (ps == null) return null; 2268 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2269 userId); 2270 } 2271 } 2272 return null; 2273 } 2274 2275 @Override 2276 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2277 if (!sUserManager.exists(userId)) return null; 2278 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2279 synchronized (mPackages) { 2280 PackageParser.Service s = mServices.mServices.get(component); 2281 if (DEBUG_PACKAGE_INFO) Log.v( 2282 TAG, "getServiceInfo " + component + ": " + s); 2283 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2284 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2285 if (ps == null) return null; 2286 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2287 userId); 2288 } 2289 } 2290 return null; 2291 } 2292 2293 @Override 2294 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2295 if (!sUserManager.exists(userId)) return null; 2296 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2297 synchronized (mPackages) { 2298 PackageParser.Provider p = mProviders.mProviders.get(component); 2299 if (DEBUG_PACKAGE_INFO) Log.v( 2300 TAG, "getProviderInfo " + component + ": " + p); 2301 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2302 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2303 if (ps == null) return null; 2304 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2305 userId); 2306 } 2307 } 2308 return null; 2309 } 2310 2311 @Override 2312 public String[] getSystemSharedLibraryNames() { 2313 Set<String> libSet; 2314 synchronized (mPackages) { 2315 libSet = mSharedLibraries.keySet(); 2316 int size = libSet.size(); 2317 if (size > 0) { 2318 String[] libs = new String[size]; 2319 libSet.toArray(libs); 2320 return libs; 2321 } 2322 } 2323 return null; 2324 } 2325 2326 /** 2327 * @hide 2328 */ 2329 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2330 synchronized (mPackages) { 2331 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2332 if (lib != null && lib.apk != null) { 2333 return mPackages.get(lib.apk); 2334 } 2335 } 2336 return null; 2337 } 2338 2339 @Override 2340 public FeatureInfo[] getSystemAvailableFeatures() { 2341 Collection<FeatureInfo> featSet; 2342 synchronized (mPackages) { 2343 featSet = mAvailableFeatures.values(); 2344 int size = featSet.size(); 2345 if (size > 0) { 2346 FeatureInfo[] features = new FeatureInfo[size+1]; 2347 featSet.toArray(features); 2348 FeatureInfo fi = new FeatureInfo(); 2349 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2350 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2351 features[size] = fi; 2352 return features; 2353 } 2354 } 2355 return null; 2356 } 2357 2358 @Override 2359 public boolean hasSystemFeature(String name) { 2360 synchronized (mPackages) { 2361 return mAvailableFeatures.containsKey(name); 2362 } 2363 } 2364 2365 private void checkValidCaller(int uid, int userId) { 2366 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2367 return; 2368 2369 throw new SecurityException("Caller uid=" + uid 2370 + " is not privileged to communicate with user=" + userId); 2371 } 2372 2373 @Override 2374 public int checkPermission(String permName, String pkgName) { 2375 synchronized (mPackages) { 2376 PackageParser.Package p = mPackages.get(pkgName); 2377 if (p != null && p.mExtras != null) { 2378 PackageSetting ps = (PackageSetting)p.mExtras; 2379 if (ps.sharedUser != null) { 2380 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2381 return PackageManager.PERMISSION_GRANTED; 2382 } 2383 } else if (ps.grantedPermissions.contains(permName)) { 2384 return PackageManager.PERMISSION_GRANTED; 2385 } 2386 } 2387 } 2388 return PackageManager.PERMISSION_DENIED; 2389 } 2390 2391 @Override 2392 public int checkUidPermission(String permName, int uid) { 2393 synchronized (mPackages) { 2394 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2395 if (obj != null) { 2396 GrantedPermissions gp = (GrantedPermissions)obj; 2397 if (gp.grantedPermissions.contains(permName)) { 2398 return PackageManager.PERMISSION_GRANTED; 2399 } 2400 } else { 2401 ArraySet<String> perms = mSystemPermissions.get(uid); 2402 if (perms != null && perms.contains(permName)) { 2403 return PackageManager.PERMISSION_GRANTED; 2404 } 2405 } 2406 } 2407 return PackageManager.PERMISSION_DENIED; 2408 } 2409 2410 /** 2411 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2412 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2413 * @param checkShell TODO(yamasani): 2414 * @param message the message to log on security exception 2415 */ 2416 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2417 boolean checkShell, String message) { 2418 if (userId < 0) { 2419 throw new IllegalArgumentException("Invalid userId " + userId); 2420 } 2421 if (checkShell) { 2422 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2423 } 2424 if (userId == UserHandle.getUserId(callingUid)) return; 2425 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2426 if (requireFullPermission) { 2427 mContext.enforceCallingOrSelfPermission( 2428 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2429 } else { 2430 try { 2431 mContext.enforceCallingOrSelfPermission( 2432 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2433 } catch (SecurityException se) { 2434 mContext.enforceCallingOrSelfPermission( 2435 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2436 } 2437 } 2438 } 2439 } 2440 2441 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2442 if (callingUid == Process.SHELL_UID) { 2443 if (userHandle >= 0 2444 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2445 throw new SecurityException("Shell does not have permission to access user " 2446 + userHandle); 2447 } else if (userHandle < 0) { 2448 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2449 + Debug.getCallers(3)); 2450 } 2451 } 2452 } 2453 2454 private BasePermission findPermissionTreeLP(String permName) { 2455 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2456 if (permName.startsWith(bp.name) && 2457 permName.length() > bp.name.length() && 2458 permName.charAt(bp.name.length()) == '.') { 2459 return bp; 2460 } 2461 } 2462 return null; 2463 } 2464 2465 private BasePermission checkPermissionTreeLP(String permName) { 2466 if (permName != null) { 2467 BasePermission bp = findPermissionTreeLP(permName); 2468 if (bp != null) { 2469 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2470 return bp; 2471 } 2472 throw new SecurityException("Calling uid " 2473 + Binder.getCallingUid() 2474 + " is not allowed to add to permission tree " 2475 + bp.name + " owned by uid " + bp.uid); 2476 } 2477 } 2478 throw new SecurityException("No permission tree found for " + permName); 2479 } 2480 2481 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2482 if (s1 == null) { 2483 return s2 == null; 2484 } 2485 if (s2 == null) { 2486 return false; 2487 } 2488 if (s1.getClass() != s2.getClass()) { 2489 return false; 2490 } 2491 return s1.equals(s2); 2492 } 2493 2494 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2495 if (pi1.icon != pi2.icon) return false; 2496 if (pi1.logo != pi2.logo) return false; 2497 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2498 if (!compareStrings(pi1.name, pi2.name)) return false; 2499 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2500 // We'll take care of setting this one. 2501 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2502 // These are not currently stored in settings. 2503 //if (!compareStrings(pi1.group, pi2.group)) return false; 2504 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2505 //if (pi1.labelRes != pi2.labelRes) return false; 2506 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2507 return true; 2508 } 2509 2510 int permissionInfoFootprint(PermissionInfo info) { 2511 int size = info.name.length(); 2512 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2513 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2514 return size; 2515 } 2516 2517 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2518 int size = 0; 2519 for (BasePermission perm : mSettings.mPermissions.values()) { 2520 if (perm.uid == tree.uid) { 2521 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2522 } 2523 } 2524 return size; 2525 } 2526 2527 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2528 // We calculate the max size of permissions defined by this uid and throw 2529 // if that plus the size of 'info' would exceed our stated maximum. 2530 if (tree.uid != Process.SYSTEM_UID) { 2531 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2532 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2533 throw new SecurityException("Permission tree size cap exceeded"); 2534 } 2535 } 2536 } 2537 2538 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2539 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2540 throw new SecurityException("Label must be specified in permission"); 2541 } 2542 BasePermission tree = checkPermissionTreeLP(info.name); 2543 BasePermission bp = mSettings.mPermissions.get(info.name); 2544 boolean added = bp == null; 2545 boolean changed = true; 2546 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2547 if (added) { 2548 enforcePermissionCapLocked(info, tree); 2549 bp = new BasePermission(info.name, tree.sourcePackage, 2550 BasePermission.TYPE_DYNAMIC); 2551 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2552 throw new SecurityException( 2553 "Not allowed to modify non-dynamic permission " 2554 + info.name); 2555 } else { 2556 if (bp.protectionLevel == fixedLevel 2557 && bp.perm.owner.equals(tree.perm.owner) 2558 && bp.uid == tree.uid 2559 && comparePermissionInfos(bp.perm.info, info)) { 2560 changed = false; 2561 } 2562 } 2563 bp.protectionLevel = fixedLevel; 2564 info = new PermissionInfo(info); 2565 info.protectionLevel = fixedLevel; 2566 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2567 bp.perm.info.packageName = tree.perm.info.packageName; 2568 bp.uid = tree.uid; 2569 if (added) { 2570 mSettings.mPermissions.put(info.name, bp); 2571 } 2572 if (changed) { 2573 if (!async) { 2574 mSettings.writeLPr(); 2575 } else { 2576 scheduleWriteSettingsLocked(); 2577 } 2578 } 2579 return added; 2580 } 2581 2582 @Override 2583 public boolean addPermission(PermissionInfo info) { 2584 synchronized (mPackages) { 2585 return addPermissionLocked(info, false); 2586 } 2587 } 2588 2589 @Override 2590 public boolean addPermissionAsync(PermissionInfo info) { 2591 synchronized (mPackages) { 2592 return addPermissionLocked(info, true); 2593 } 2594 } 2595 2596 @Override 2597 public void removePermission(String name) { 2598 synchronized (mPackages) { 2599 checkPermissionTreeLP(name); 2600 BasePermission bp = mSettings.mPermissions.get(name); 2601 if (bp != null) { 2602 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2603 throw new SecurityException( 2604 "Not allowed to modify non-dynamic permission " 2605 + name); 2606 } 2607 mSettings.mPermissions.remove(name); 2608 mSettings.writeLPr(); 2609 } 2610 } 2611 } 2612 2613 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2614 int index = pkg.requestedPermissions.indexOf(bp.name); 2615 if (index == -1) { 2616 throw new SecurityException("Package " + pkg.packageName 2617 + " has not requested permission " + bp.name); 2618 } 2619 boolean isNormal = 2620 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2621 == PermissionInfo.PROTECTION_NORMAL); 2622 boolean isDangerous = 2623 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2624 == PermissionInfo.PROTECTION_DANGEROUS); 2625 boolean isDevelopment = 2626 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2627 2628 if (!isNormal && !isDangerous && !isDevelopment) { 2629 throw new SecurityException("Permission " + bp.name 2630 + " is not a changeable permission type"); 2631 } 2632 2633 if (isNormal || isDangerous) { 2634 if (pkg.requestedPermissionsRequired.get(index)) { 2635 throw new SecurityException("Can't change " + bp.name 2636 + ". It is required by the application"); 2637 } 2638 } 2639 } 2640 2641 @Override 2642 public void grantPermission(String packageName, String permissionName) { 2643 mContext.enforceCallingOrSelfPermission( 2644 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2645 synchronized (mPackages) { 2646 final PackageParser.Package pkg = mPackages.get(packageName); 2647 if (pkg == null) { 2648 throw new IllegalArgumentException("Unknown package: " + packageName); 2649 } 2650 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2651 if (bp == null) { 2652 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2653 } 2654 2655 checkGrantRevokePermissions(pkg, bp); 2656 2657 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2658 if (ps == null) { 2659 return; 2660 } 2661 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2662 if (gp.grantedPermissions.add(permissionName)) { 2663 if (ps.haveGids) { 2664 gp.gids = appendInts(gp.gids, bp.gids); 2665 } 2666 mSettings.writeLPr(); 2667 } 2668 } 2669 } 2670 2671 @Override 2672 public void revokePermission(String packageName, String permissionName) { 2673 int changedAppId = -1; 2674 2675 synchronized (mPackages) { 2676 final PackageParser.Package pkg = mPackages.get(packageName); 2677 if (pkg == null) { 2678 throw new IllegalArgumentException("Unknown package: " + packageName); 2679 } 2680 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2681 mContext.enforceCallingOrSelfPermission( 2682 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2683 } 2684 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2685 if (bp == null) { 2686 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2687 } 2688 2689 checkGrantRevokePermissions(pkg, bp); 2690 2691 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2692 if (ps == null) { 2693 return; 2694 } 2695 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2696 if (gp.grantedPermissions.remove(permissionName)) { 2697 gp.grantedPermissions.remove(permissionName); 2698 if (ps.haveGids) { 2699 gp.gids = removeInts(gp.gids, bp.gids); 2700 } 2701 mSettings.writeLPr(); 2702 changedAppId = ps.appId; 2703 } 2704 } 2705 2706 if (changedAppId >= 0) { 2707 // We changed the perm on someone, kill its processes. 2708 IActivityManager am = ActivityManagerNative.getDefault(); 2709 if (am != null) { 2710 final int callingUserId = UserHandle.getCallingUserId(); 2711 final long ident = Binder.clearCallingIdentity(); 2712 try { 2713 //XXX we should only revoke for the calling user's app permissions, 2714 // but for now we impact all users. 2715 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2716 // "revoke " + permissionName); 2717 int[] users = sUserManager.getUserIds(); 2718 for (int user : users) { 2719 am.killUid(UserHandle.getUid(user, changedAppId), 2720 "revoke " + permissionName); 2721 } 2722 } catch (RemoteException e) { 2723 } finally { 2724 Binder.restoreCallingIdentity(ident); 2725 } 2726 } 2727 } 2728 } 2729 2730 @Override 2731 public boolean isProtectedBroadcast(String actionName) { 2732 synchronized (mPackages) { 2733 return mProtectedBroadcasts.contains(actionName); 2734 } 2735 } 2736 2737 @Override 2738 public int checkSignatures(String pkg1, String pkg2) { 2739 synchronized (mPackages) { 2740 final PackageParser.Package p1 = mPackages.get(pkg1); 2741 final PackageParser.Package p2 = mPackages.get(pkg2); 2742 if (p1 == null || p1.mExtras == null 2743 || p2 == null || p2.mExtras == null) { 2744 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2745 } 2746 return compareSignatures(p1.mSignatures, p2.mSignatures); 2747 } 2748 } 2749 2750 @Override 2751 public int checkUidSignatures(int uid1, int uid2) { 2752 // Map to base uids. 2753 uid1 = UserHandle.getAppId(uid1); 2754 uid2 = UserHandle.getAppId(uid2); 2755 // reader 2756 synchronized (mPackages) { 2757 Signature[] s1; 2758 Signature[] s2; 2759 Object obj = mSettings.getUserIdLPr(uid1); 2760 if (obj != null) { 2761 if (obj instanceof SharedUserSetting) { 2762 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2763 } else if (obj instanceof PackageSetting) { 2764 s1 = ((PackageSetting)obj).signatures.mSignatures; 2765 } else { 2766 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2767 } 2768 } else { 2769 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2770 } 2771 obj = mSettings.getUserIdLPr(uid2); 2772 if (obj != null) { 2773 if (obj instanceof SharedUserSetting) { 2774 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2775 } else if (obj instanceof PackageSetting) { 2776 s2 = ((PackageSetting)obj).signatures.mSignatures; 2777 } else { 2778 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2779 } 2780 } else { 2781 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2782 } 2783 return compareSignatures(s1, s2); 2784 } 2785 } 2786 2787 /** 2788 * Compares two sets of signatures. Returns: 2789 * <br /> 2790 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2791 * <br /> 2792 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2793 * <br /> 2794 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2795 * <br /> 2796 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2797 * <br /> 2798 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2799 */ 2800 static int compareSignatures(Signature[] s1, Signature[] s2) { 2801 if (s1 == null) { 2802 return s2 == null 2803 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2804 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2805 } 2806 2807 if (s2 == null) { 2808 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2809 } 2810 2811 if (s1.length != s2.length) { 2812 return PackageManager.SIGNATURE_NO_MATCH; 2813 } 2814 2815 // Since both signature sets are of size 1, we can compare without HashSets. 2816 if (s1.length == 1) { 2817 return s1[0].equals(s2[0]) ? 2818 PackageManager.SIGNATURE_MATCH : 2819 PackageManager.SIGNATURE_NO_MATCH; 2820 } 2821 2822 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2823 for (Signature sig : s1) { 2824 set1.add(sig); 2825 } 2826 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2827 for (Signature sig : s2) { 2828 set2.add(sig); 2829 } 2830 // Make sure s2 contains all signatures in s1. 2831 if (set1.equals(set2)) { 2832 return PackageManager.SIGNATURE_MATCH; 2833 } 2834 return PackageManager.SIGNATURE_NO_MATCH; 2835 } 2836 2837 /** 2838 * If the database version for this type of package (internal storage or 2839 * external storage) is less than the version where package signatures 2840 * were updated, return true. 2841 */ 2842 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2843 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2844 DatabaseVersion.SIGNATURE_END_ENTITY)) 2845 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2846 DatabaseVersion.SIGNATURE_END_ENTITY)); 2847 } 2848 2849 /** 2850 * Used for backward compatibility to make sure any packages with 2851 * certificate chains get upgraded to the new style. {@code existingSigs} 2852 * will be in the old format (since they were stored on disk from before the 2853 * system upgrade) and {@code scannedSigs} will be in the newer format. 2854 */ 2855 private int compareSignaturesCompat(PackageSignatures existingSigs, 2856 PackageParser.Package scannedPkg) { 2857 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2858 return PackageManager.SIGNATURE_NO_MATCH; 2859 } 2860 2861 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2862 for (Signature sig : existingSigs.mSignatures) { 2863 existingSet.add(sig); 2864 } 2865 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2866 for (Signature sig : scannedPkg.mSignatures) { 2867 try { 2868 Signature[] chainSignatures = sig.getChainSignatures(); 2869 for (Signature chainSig : chainSignatures) { 2870 scannedCompatSet.add(chainSig); 2871 } 2872 } catch (CertificateEncodingException e) { 2873 scannedCompatSet.add(sig); 2874 } 2875 } 2876 /* 2877 * Make sure the expanded scanned set contains all signatures in the 2878 * existing one. 2879 */ 2880 if (scannedCompatSet.equals(existingSet)) { 2881 // Migrate the old signatures to the new scheme. 2882 existingSigs.assignSignatures(scannedPkg.mSignatures); 2883 // The new KeySets will be re-added later in the scanning process. 2884 synchronized (mPackages) { 2885 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2886 } 2887 return PackageManager.SIGNATURE_MATCH; 2888 } 2889 return PackageManager.SIGNATURE_NO_MATCH; 2890 } 2891 2892 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2893 if (isExternal(scannedPkg)) { 2894 return mSettings.isExternalDatabaseVersionOlderThan( 2895 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2896 } else { 2897 return mSettings.isInternalDatabaseVersionOlderThan( 2898 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2899 } 2900 } 2901 2902 private int compareSignaturesRecover(PackageSignatures existingSigs, 2903 PackageParser.Package scannedPkg) { 2904 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2905 return PackageManager.SIGNATURE_NO_MATCH; 2906 } 2907 2908 String msg = null; 2909 try { 2910 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2911 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2912 + scannedPkg.packageName); 2913 return PackageManager.SIGNATURE_MATCH; 2914 } 2915 } catch (CertificateException e) { 2916 msg = e.getMessage(); 2917 } 2918 2919 logCriticalInfo(Log.INFO, 2920 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2921 return PackageManager.SIGNATURE_NO_MATCH; 2922 } 2923 2924 @Override 2925 public String[] getPackagesForUid(int uid) { 2926 uid = UserHandle.getAppId(uid); 2927 // reader 2928 synchronized (mPackages) { 2929 Object obj = mSettings.getUserIdLPr(uid); 2930 if (obj instanceof SharedUserSetting) { 2931 final SharedUserSetting sus = (SharedUserSetting) obj; 2932 final int N = sus.packages.size(); 2933 final String[] res = new String[N]; 2934 final Iterator<PackageSetting> it = sus.packages.iterator(); 2935 int i = 0; 2936 while (it.hasNext()) { 2937 res[i++] = it.next().name; 2938 } 2939 return res; 2940 } else if (obj instanceof PackageSetting) { 2941 final PackageSetting ps = (PackageSetting) obj; 2942 return new String[] { ps.name }; 2943 } 2944 } 2945 return null; 2946 } 2947 2948 @Override 2949 public String getNameForUid(int uid) { 2950 // reader 2951 synchronized (mPackages) { 2952 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2953 if (obj instanceof SharedUserSetting) { 2954 final SharedUserSetting sus = (SharedUserSetting) obj; 2955 return sus.name + ":" + sus.userId; 2956 } else if (obj instanceof PackageSetting) { 2957 final PackageSetting ps = (PackageSetting) obj; 2958 return ps.name; 2959 } 2960 } 2961 return null; 2962 } 2963 2964 @Override 2965 public int getUidForSharedUser(String sharedUserName) { 2966 if(sharedUserName == null) { 2967 return -1; 2968 } 2969 // reader 2970 synchronized (mPackages) { 2971 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 2972 if (suid == null) { 2973 return -1; 2974 } 2975 return suid.userId; 2976 } 2977 } 2978 2979 @Override 2980 public int getFlagsForUid(int uid) { 2981 synchronized (mPackages) { 2982 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2983 if (obj instanceof SharedUserSetting) { 2984 final SharedUserSetting sus = (SharedUserSetting) obj; 2985 return sus.pkgFlags; 2986 } else if (obj instanceof PackageSetting) { 2987 final PackageSetting ps = (PackageSetting) obj; 2988 return ps.pkgFlags; 2989 } 2990 } 2991 return 0; 2992 } 2993 2994 @Override 2995 public int getPrivateFlagsForUid(int uid) { 2996 synchronized (mPackages) { 2997 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2998 if (obj instanceof SharedUserSetting) { 2999 final SharedUserSetting sus = (SharedUserSetting) obj; 3000 return sus.pkgPrivateFlags; 3001 } else if (obj instanceof PackageSetting) { 3002 final PackageSetting ps = (PackageSetting) obj; 3003 return ps.pkgPrivateFlags; 3004 } 3005 } 3006 return 0; 3007 } 3008 3009 @Override 3010 public boolean isUidPrivileged(int uid) { 3011 uid = UserHandle.getAppId(uid); 3012 // reader 3013 synchronized (mPackages) { 3014 Object obj = mSettings.getUserIdLPr(uid); 3015 if (obj instanceof SharedUserSetting) { 3016 final SharedUserSetting sus = (SharedUserSetting) obj; 3017 final Iterator<PackageSetting> it = sus.packages.iterator(); 3018 while (it.hasNext()) { 3019 if (it.next().isPrivileged()) { 3020 return true; 3021 } 3022 } 3023 } else if (obj instanceof PackageSetting) { 3024 final PackageSetting ps = (PackageSetting) obj; 3025 return ps.isPrivileged(); 3026 } 3027 } 3028 return false; 3029 } 3030 3031 @Override 3032 public String[] getAppOpPermissionPackages(String permissionName) { 3033 synchronized (mPackages) { 3034 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3035 if (pkgs == null) { 3036 return null; 3037 } 3038 return pkgs.toArray(new String[pkgs.size()]); 3039 } 3040 } 3041 3042 @Override 3043 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3044 int flags, int userId) { 3045 if (!sUserManager.exists(userId)) return null; 3046 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3047 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3048 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3049 } 3050 3051 @Override 3052 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3053 IntentFilter filter, int match, ComponentName activity) { 3054 final int userId = UserHandle.getCallingUserId(); 3055 if (DEBUG_PREFERRED) { 3056 Log.v(TAG, "setLastChosenActivity intent=" + intent 3057 + " resolvedType=" + resolvedType 3058 + " flags=" + flags 3059 + " filter=" + filter 3060 + " match=" + match 3061 + " activity=" + activity); 3062 filter.dump(new PrintStreamPrinter(System.out), " "); 3063 } 3064 intent.setComponent(null); 3065 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3066 // Find any earlier preferred or last chosen entries and nuke them 3067 findPreferredActivity(intent, resolvedType, 3068 flags, query, 0, false, true, false, userId); 3069 // Add the new activity as the last chosen for this filter 3070 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3071 "Setting last chosen"); 3072 } 3073 3074 @Override 3075 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3076 final int userId = UserHandle.getCallingUserId(); 3077 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3078 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3079 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3080 false, false, false, userId); 3081 } 3082 3083 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3084 int flags, List<ResolveInfo> query, int userId) { 3085 if (query != null) { 3086 final int N = query.size(); 3087 if (N == 1) { 3088 return query.get(0); 3089 } else if (N > 1) { 3090 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3091 // If there is more than one activity with the same priority, 3092 // then let the user decide between them. 3093 ResolveInfo r0 = query.get(0); 3094 ResolveInfo r1 = query.get(1); 3095 if (DEBUG_INTENT_MATCHING || debug) { 3096 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3097 + r1.activityInfo.name + "=" + r1.priority); 3098 } 3099 // If the first activity has a higher priority, or a different 3100 // default, then it is always desireable to pick it. 3101 if (r0.priority != r1.priority 3102 || r0.preferredOrder != r1.preferredOrder 3103 || r0.isDefault != r1.isDefault) { 3104 return query.get(0); 3105 } 3106 // If we have saved a preference for a preferred activity for 3107 // this Intent, use that. 3108 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3109 flags, query, r0.priority, true, false, debug, userId); 3110 if (ri != null) { 3111 return ri; 3112 } 3113 if (userId != 0) { 3114 ri = new ResolveInfo(mResolveInfo); 3115 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3116 ri.activityInfo.applicationInfo = new ApplicationInfo( 3117 ri.activityInfo.applicationInfo); 3118 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3119 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3120 return ri; 3121 } 3122 return mResolveInfo; 3123 } 3124 } 3125 return null; 3126 } 3127 3128 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3129 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3130 final int N = query.size(); 3131 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3132 .get(userId); 3133 // Get the list of persistent preferred activities that handle the intent 3134 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3135 List<PersistentPreferredActivity> pprefs = ppir != null 3136 ? ppir.queryIntent(intent, resolvedType, 3137 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3138 : null; 3139 if (pprefs != null && pprefs.size() > 0) { 3140 final int M = pprefs.size(); 3141 for (int i=0; i<M; i++) { 3142 final PersistentPreferredActivity ppa = pprefs.get(i); 3143 if (DEBUG_PREFERRED || debug) { 3144 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3145 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3146 + "\n component=" + ppa.mComponent); 3147 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3148 } 3149 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3150 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3151 if (DEBUG_PREFERRED || debug) { 3152 Slog.v(TAG, "Found persistent preferred activity:"); 3153 if (ai != null) { 3154 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3155 } else { 3156 Slog.v(TAG, " null"); 3157 } 3158 } 3159 if (ai == null) { 3160 // This previously registered persistent preferred activity 3161 // component is no longer known. Ignore it and do NOT remove it. 3162 continue; 3163 } 3164 for (int j=0; j<N; j++) { 3165 final ResolveInfo ri = query.get(j); 3166 if (!ri.activityInfo.applicationInfo.packageName 3167 .equals(ai.applicationInfo.packageName)) { 3168 continue; 3169 } 3170 if (!ri.activityInfo.name.equals(ai.name)) { 3171 continue; 3172 } 3173 // Found a persistent preference that can handle the intent. 3174 if (DEBUG_PREFERRED || debug) { 3175 Slog.v(TAG, "Returning persistent preferred activity: " + 3176 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3177 } 3178 return ri; 3179 } 3180 } 3181 } 3182 return null; 3183 } 3184 3185 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3186 List<ResolveInfo> query, int priority, boolean always, 3187 boolean removeMatches, boolean debug, int userId) { 3188 if (!sUserManager.exists(userId)) return null; 3189 // writer 3190 synchronized (mPackages) { 3191 if (intent.getSelector() != null) { 3192 intent = intent.getSelector(); 3193 } 3194 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3195 3196 // Try to find a matching persistent preferred activity. 3197 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3198 debug, userId); 3199 3200 // If a persistent preferred activity matched, use it. 3201 if (pri != null) { 3202 return pri; 3203 } 3204 3205 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3206 // Get the list of preferred activities that handle the intent 3207 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3208 List<PreferredActivity> prefs = pir != null 3209 ? pir.queryIntent(intent, resolvedType, 3210 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3211 : null; 3212 if (prefs != null && prefs.size() > 0) { 3213 boolean changed = false; 3214 try { 3215 // First figure out how good the original match set is. 3216 // We will only allow preferred activities that came 3217 // from the same match quality. 3218 int match = 0; 3219 3220 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3221 3222 final int N = query.size(); 3223 for (int j=0; j<N; j++) { 3224 final ResolveInfo ri = query.get(j); 3225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3226 + ": 0x" + Integer.toHexString(match)); 3227 if (ri.match > match) { 3228 match = ri.match; 3229 } 3230 } 3231 3232 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3233 + Integer.toHexString(match)); 3234 3235 match &= IntentFilter.MATCH_CATEGORY_MASK; 3236 final int M = prefs.size(); 3237 for (int i=0; i<M; i++) { 3238 final PreferredActivity pa = prefs.get(i); 3239 if (DEBUG_PREFERRED || debug) { 3240 Slog.v(TAG, "Checking PreferredActivity ds=" 3241 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3242 + "\n component=" + pa.mPref.mComponent); 3243 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3244 } 3245 if (pa.mPref.mMatch != match) { 3246 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3247 + Integer.toHexString(pa.mPref.mMatch)); 3248 continue; 3249 } 3250 // If it's not an "always" type preferred activity and that's what we're 3251 // looking for, skip it. 3252 if (always && !pa.mPref.mAlways) { 3253 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3254 continue; 3255 } 3256 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3257 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3258 if (DEBUG_PREFERRED || debug) { 3259 Slog.v(TAG, "Found preferred activity:"); 3260 if (ai != null) { 3261 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3262 } else { 3263 Slog.v(TAG, " null"); 3264 } 3265 } 3266 if (ai == null) { 3267 // This previously registered preferred activity 3268 // component is no longer known. Most likely an update 3269 // to the app was installed and in the new version this 3270 // component no longer exists. Clean it up by removing 3271 // it from the preferred activities list, and skip it. 3272 Slog.w(TAG, "Removing dangling preferred activity: " 3273 + pa.mPref.mComponent); 3274 pir.removeFilter(pa); 3275 changed = true; 3276 continue; 3277 } 3278 for (int j=0; j<N; j++) { 3279 final ResolveInfo ri = query.get(j); 3280 if (!ri.activityInfo.applicationInfo.packageName 3281 .equals(ai.applicationInfo.packageName)) { 3282 continue; 3283 } 3284 if (!ri.activityInfo.name.equals(ai.name)) { 3285 continue; 3286 } 3287 3288 if (removeMatches) { 3289 pir.removeFilter(pa); 3290 changed = true; 3291 if (DEBUG_PREFERRED) { 3292 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3293 } 3294 break; 3295 } 3296 3297 // Okay we found a previously set preferred or last chosen app. 3298 // If the result set is different from when this 3299 // was created, we need to clear it and re-ask the 3300 // user their preference, if we're looking for an "always" type entry. 3301 if (always && !pa.mPref.sameSet(query)) { 3302 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3303 + intent + " type " + resolvedType); 3304 if (DEBUG_PREFERRED) { 3305 Slog.v(TAG, "Removing preferred activity since set changed " 3306 + pa.mPref.mComponent); 3307 } 3308 pir.removeFilter(pa); 3309 // Re-add the filter as a "last chosen" entry (!always) 3310 PreferredActivity lastChosen = new PreferredActivity( 3311 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3312 pir.addFilter(lastChosen); 3313 changed = true; 3314 return null; 3315 } 3316 3317 // Yay! Either the set matched or we're looking for the last chosen 3318 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3319 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3320 return ri; 3321 } 3322 } 3323 } finally { 3324 if (changed) { 3325 if (DEBUG_PREFERRED) { 3326 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3327 } 3328 scheduleWritePackageRestrictionsLocked(userId); 3329 } 3330 } 3331 } 3332 } 3333 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3334 return null; 3335 } 3336 3337 /* 3338 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3339 */ 3340 @Override 3341 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3342 int targetUserId) { 3343 mContext.enforceCallingOrSelfPermission( 3344 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3345 List<CrossProfileIntentFilter> matches = 3346 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3347 if (matches != null) { 3348 int size = matches.size(); 3349 for (int i = 0; i < size; i++) { 3350 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3351 } 3352 } 3353 return false; 3354 } 3355 3356 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3357 String resolvedType, int userId) { 3358 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3359 if (resolver != null) { 3360 return resolver.queryIntent(intent, resolvedType, false, userId); 3361 } 3362 return null; 3363 } 3364 3365 @Override 3366 public List<ResolveInfo> queryIntentActivities(Intent intent, 3367 String resolvedType, int flags, int userId) { 3368 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3369 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3370 ComponentName comp = intent.getComponent(); 3371 if (comp == null) { 3372 if (intent.getSelector() != null) { 3373 intent = intent.getSelector(); 3374 comp = intent.getComponent(); 3375 } 3376 } 3377 3378 if (comp != null) { 3379 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3380 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3381 if (ai != null) { 3382 final ResolveInfo ri = new ResolveInfo(); 3383 ri.activityInfo = ai; 3384 list.add(ri); 3385 } 3386 return list; 3387 } 3388 3389 // reader 3390 synchronized (mPackages) { 3391 final String pkgName = intent.getPackage(); 3392 if (pkgName == null) { 3393 List<CrossProfileIntentFilter> matchingFilters = 3394 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3395 // Check for results that need to skip the current profile. 3396 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3397 resolvedType, flags, userId); 3398 if (resolveInfo != null) { 3399 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3400 result.add(resolveInfo); 3401 return result; 3402 } 3403 // Check for cross profile results. 3404 resolveInfo = queryCrossProfileIntents( 3405 matchingFilters, intent, resolvedType, flags, userId); 3406 3407 // Check for results in the current profile. 3408 List<ResolveInfo> result = mActivities.queryIntent( 3409 intent, resolvedType, flags, userId); 3410 if (resolveInfo != null) { 3411 result.add(resolveInfo); 3412 Collections.sort(result, mResolvePrioritySorter); 3413 } 3414 return result; 3415 } 3416 final PackageParser.Package pkg = mPackages.get(pkgName); 3417 if (pkg != null) { 3418 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3419 pkg.activities, userId); 3420 } 3421 return new ArrayList<ResolveInfo>(); 3422 } 3423 } 3424 3425 private ResolveInfo querySkipCurrentProfileIntents( 3426 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3427 int flags, int sourceUserId) { 3428 if (matchingFilters != null) { 3429 int size = matchingFilters.size(); 3430 for (int i = 0; i < size; i ++) { 3431 CrossProfileIntentFilter filter = matchingFilters.get(i); 3432 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3433 // Checking if there are activities in the target user that can handle the 3434 // intent. 3435 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3436 flags, sourceUserId); 3437 if (resolveInfo != null) { 3438 return resolveInfo; 3439 } 3440 } 3441 } 3442 } 3443 return null; 3444 } 3445 3446 // Return matching ResolveInfo if any for skip current profile intent filters. 3447 private ResolveInfo queryCrossProfileIntents( 3448 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3449 int flags, int sourceUserId) { 3450 if (matchingFilters != null) { 3451 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3452 // match the same intent. For performance reasons, it is better not to 3453 // run queryIntent twice for the same userId 3454 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3455 int size = matchingFilters.size(); 3456 for (int i = 0; i < size; i++) { 3457 CrossProfileIntentFilter filter = matchingFilters.get(i); 3458 int targetUserId = filter.getTargetUserId(); 3459 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3460 && !alreadyTriedUserIds.get(targetUserId)) { 3461 // Checking if there are activities in the target user that can handle the 3462 // intent. 3463 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3464 flags, sourceUserId); 3465 if (resolveInfo != null) return resolveInfo; 3466 alreadyTriedUserIds.put(targetUserId, true); 3467 } 3468 } 3469 } 3470 return null; 3471 } 3472 3473 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3474 String resolvedType, int flags, int sourceUserId) { 3475 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3476 resolvedType, flags, filter.getTargetUserId()); 3477 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3478 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3479 } 3480 return null; 3481 } 3482 3483 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3484 int sourceUserId, int targetUserId) { 3485 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3486 String className; 3487 if (targetUserId == UserHandle.USER_OWNER) { 3488 className = FORWARD_INTENT_TO_USER_OWNER; 3489 } else { 3490 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3491 } 3492 ComponentName forwardingActivityComponentName = new ComponentName( 3493 mAndroidApplication.packageName, className); 3494 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3495 sourceUserId); 3496 if (targetUserId == UserHandle.USER_OWNER) { 3497 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3498 forwardingResolveInfo.noResourceId = true; 3499 } 3500 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3501 forwardingResolveInfo.priority = 0; 3502 forwardingResolveInfo.preferredOrder = 0; 3503 forwardingResolveInfo.match = 0; 3504 forwardingResolveInfo.isDefault = true; 3505 forwardingResolveInfo.filter = filter; 3506 forwardingResolveInfo.targetUserId = targetUserId; 3507 return forwardingResolveInfo; 3508 } 3509 3510 @Override 3511 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3512 Intent[] specifics, String[] specificTypes, Intent intent, 3513 String resolvedType, int flags, int userId) { 3514 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3515 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3516 false, "query intent activity options"); 3517 final String resultsAction = intent.getAction(); 3518 3519 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3520 | PackageManager.GET_RESOLVED_FILTER, userId); 3521 3522 if (DEBUG_INTENT_MATCHING) { 3523 Log.v(TAG, "Query " + intent + ": " + results); 3524 } 3525 3526 int specificsPos = 0; 3527 int N; 3528 3529 // todo: note that the algorithm used here is O(N^2). This 3530 // isn't a problem in our current environment, but if we start running 3531 // into situations where we have more than 5 or 10 matches then this 3532 // should probably be changed to something smarter... 3533 3534 // First we go through and resolve each of the specific items 3535 // that were supplied, taking care of removing any corresponding 3536 // duplicate items in the generic resolve list. 3537 if (specifics != null) { 3538 for (int i=0; i<specifics.length; i++) { 3539 final Intent sintent = specifics[i]; 3540 if (sintent == null) { 3541 continue; 3542 } 3543 3544 if (DEBUG_INTENT_MATCHING) { 3545 Log.v(TAG, "Specific #" + i + ": " + sintent); 3546 } 3547 3548 String action = sintent.getAction(); 3549 if (resultsAction != null && resultsAction.equals(action)) { 3550 // If this action was explicitly requested, then don't 3551 // remove things that have it. 3552 action = null; 3553 } 3554 3555 ResolveInfo ri = null; 3556 ActivityInfo ai = null; 3557 3558 ComponentName comp = sintent.getComponent(); 3559 if (comp == null) { 3560 ri = resolveIntent( 3561 sintent, 3562 specificTypes != null ? specificTypes[i] : null, 3563 flags, userId); 3564 if (ri == null) { 3565 continue; 3566 } 3567 if (ri == mResolveInfo) { 3568 // ACK! Must do something better with this. 3569 } 3570 ai = ri.activityInfo; 3571 comp = new ComponentName(ai.applicationInfo.packageName, 3572 ai.name); 3573 } else { 3574 ai = getActivityInfo(comp, flags, userId); 3575 if (ai == null) { 3576 continue; 3577 } 3578 } 3579 3580 // Look for any generic query activities that are duplicates 3581 // of this specific one, and remove them from the results. 3582 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3583 N = results.size(); 3584 int j; 3585 for (j=specificsPos; j<N; j++) { 3586 ResolveInfo sri = results.get(j); 3587 if ((sri.activityInfo.name.equals(comp.getClassName()) 3588 && sri.activityInfo.applicationInfo.packageName.equals( 3589 comp.getPackageName())) 3590 || (action != null && sri.filter.matchAction(action))) { 3591 results.remove(j); 3592 if (DEBUG_INTENT_MATCHING) Log.v( 3593 TAG, "Removing duplicate item from " + j 3594 + " due to specific " + specificsPos); 3595 if (ri == null) { 3596 ri = sri; 3597 } 3598 j--; 3599 N--; 3600 } 3601 } 3602 3603 // Add this specific item to its proper place. 3604 if (ri == null) { 3605 ri = new ResolveInfo(); 3606 ri.activityInfo = ai; 3607 } 3608 results.add(specificsPos, ri); 3609 ri.specificIndex = i; 3610 specificsPos++; 3611 } 3612 } 3613 3614 // Now we go through the remaining generic results and remove any 3615 // duplicate actions that are found here. 3616 N = results.size(); 3617 for (int i=specificsPos; i<N-1; i++) { 3618 final ResolveInfo rii = results.get(i); 3619 if (rii.filter == null) { 3620 continue; 3621 } 3622 3623 // Iterate over all of the actions of this result's intent 3624 // filter... typically this should be just one. 3625 final Iterator<String> it = rii.filter.actionsIterator(); 3626 if (it == null) { 3627 continue; 3628 } 3629 while (it.hasNext()) { 3630 final String action = it.next(); 3631 if (resultsAction != null && resultsAction.equals(action)) { 3632 // If this action was explicitly requested, then don't 3633 // remove things that have it. 3634 continue; 3635 } 3636 for (int j=i+1; j<N; j++) { 3637 final ResolveInfo rij = results.get(j); 3638 if (rij.filter != null && rij.filter.hasAction(action)) { 3639 results.remove(j); 3640 if (DEBUG_INTENT_MATCHING) Log.v( 3641 TAG, "Removing duplicate item from " + j 3642 + " due to action " + action + " at " + i); 3643 j--; 3644 N--; 3645 } 3646 } 3647 } 3648 3649 // If the caller didn't request filter information, drop it now 3650 // so we don't have to marshall/unmarshall it. 3651 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3652 rii.filter = null; 3653 } 3654 } 3655 3656 // Filter out the caller activity if so requested. 3657 if (caller != null) { 3658 N = results.size(); 3659 for (int i=0; i<N; i++) { 3660 ActivityInfo ainfo = results.get(i).activityInfo; 3661 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3662 && caller.getClassName().equals(ainfo.name)) { 3663 results.remove(i); 3664 break; 3665 } 3666 } 3667 } 3668 3669 // If the caller didn't request filter information, 3670 // drop them now so we don't have to 3671 // marshall/unmarshall it. 3672 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3673 N = results.size(); 3674 for (int i=0; i<N; i++) { 3675 results.get(i).filter = null; 3676 } 3677 } 3678 3679 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3680 return results; 3681 } 3682 3683 @Override 3684 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3685 int userId) { 3686 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3687 ComponentName comp = intent.getComponent(); 3688 if (comp == null) { 3689 if (intent.getSelector() != null) { 3690 intent = intent.getSelector(); 3691 comp = intent.getComponent(); 3692 } 3693 } 3694 if (comp != null) { 3695 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3696 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3697 if (ai != null) { 3698 ResolveInfo ri = new ResolveInfo(); 3699 ri.activityInfo = ai; 3700 list.add(ri); 3701 } 3702 return list; 3703 } 3704 3705 // reader 3706 synchronized (mPackages) { 3707 String pkgName = intent.getPackage(); 3708 if (pkgName == null) { 3709 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3710 } 3711 final PackageParser.Package pkg = mPackages.get(pkgName); 3712 if (pkg != null) { 3713 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3714 userId); 3715 } 3716 return null; 3717 } 3718 } 3719 3720 @Override 3721 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3722 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3723 if (!sUserManager.exists(userId)) return null; 3724 if (query != null) { 3725 if (query.size() >= 1) { 3726 // If there is more than one service with the same priority, 3727 // just arbitrarily pick the first one. 3728 return query.get(0); 3729 } 3730 } 3731 return null; 3732 } 3733 3734 @Override 3735 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3736 int userId) { 3737 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3738 ComponentName comp = intent.getComponent(); 3739 if (comp == null) { 3740 if (intent.getSelector() != null) { 3741 intent = intent.getSelector(); 3742 comp = intent.getComponent(); 3743 } 3744 } 3745 if (comp != null) { 3746 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3747 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3748 if (si != null) { 3749 final ResolveInfo ri = new ResolveInfo(); 3750 ri.serviceInfo = si; 3751 list.add(ri); 3752 } 3753 return list; 3754 } 3755 3756 // reader 3757 synchronized (mPackages) { 3758 String pkgName = intent.getPackage(); 3759 if (pkgName == null) { 3760 return mServices.queryIntent(intent, resolvedType, flags, userId); 3761 } 3762 final PackageParser.Package pkg = mPackages.get(pkgName); 3763 if (pkg != null) { 3764 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3765 userId); 3766 } 3767 return null; 3768 } 3769 } 3770 3771 @Override 3772 public List<ResolveInfo> queryIntentContentProviders( 3773 Intent intent, String resolvedType, int flags, int userId) { 3774 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3775 ComponentName comp = intent.getComponent(); 3776 if (comp == null) { 3777 if (intent.getSelector() != null) { 3778 intent = intent.getSelector(); 3779 comp = intent.getComponent(); 3780 } 3781 } 3782 if (comp != null) { 3783 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3784 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3785 if (pi != null) { 3786 final ResolveInfo ri = new ResolveInfo(); 3787 ri.providerInfo = pi; 3788 list.add(ri); 3789 } 3790 return list; 3791 } 3792 3793 // reader 3794 synchronized (mPackages) { 3795 String pkgName = intent.getPackage(); 3796 if (pkgName == null) { 3797 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3798 } 3799 final PackageParser.Package pkg = mPackages.get(pkgName); 3800 if (pkg != null) { 3801 return mProviders.queryIntentForPackage( 3802 intent, resolvedType, flags, pkg.providers, userId); 3803 } 3804 return null; 3805 } 3806 } 3807 3808 @Override 3809 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3810 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3811 3812 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3813 3814 // writer 3815 synchronized (mPackages) { 3816 ArrayList<PackageInfo> list; 3817 if (listUninstalled) { 3818 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3819 for (PackageSetting ps : mSettings.mPackages.values()) { 3820 PackageInfo pi; 3821 if (ps.pkg != null) { 3822 pi = generatePackageInfo(ps.pkg, flags, userId); 3823 } else { 3824 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3825 } 3826 if (pi != null) { 3827 list.add(pi); 3828 } 3829 } 3830 } else { 3831 list = new ArrayList<PackageInfo>(mPackages.size()); 3832 for (PackageParser.Package p : mPackages.values()) { 3833 PackageInfo pi = generatePackageInfo(p, flags, userId); 3834 if (pi != null) { 3835 list.add(pi); 3836 } 3837 } 3838 } 3839 3840 return new ParceledListSlice<PackageInfo>(list); 3841 } 3842 } 3843 3844 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3845 String[] permissions, boolean[] tmp, int flags, int userId) { 3846 int numMatch = 0; 3847 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3848 for (int i=0; i<permissions.length; i++) { 3849 if (gp.grantedPermissions.contains(permissions[i])) { 3850 tmp[i] = true; 3851 numMatch++; 3852 } else { 3853 tmp[i] = false; 3854 } 3855 } 3856 if (numMatch == 0) { 3857 return; 3858 } 3859 PackageInfo pi; 3860 if (ps.pkg != null) { 3861 pi = generatePackageInfo(ps.pkg, flags, userId); 3862 } else { 3863 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3864 } 3865 // The above might return null in cases of uninstalled apps or install-state 3866 // skew across users/profiles. 3867 if (pi != null) { 3868 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3869 if (numMatch == permissions.length) { 3870 pi.requestedPermissions = permissions; 3871 } else { 3872 pi.requestedPermissions = new String[numMatch]; 3873 numMatch = 0; 3874 for (int i=0; i<permissions.length; i++) { 3875 if (tmp[i]) { 3876 pi.requestedPermissions[numMatch] = permissions[i]; 3877 numMatch++; 3878 } 3879 } 3880 } 3881 } 3882 list.add(pi); 3883 } 3884 } 3885 3886 @Override 3887 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3888 String[] permissions, int flags, int userId) { 3889 if (!sUserManager.exists(userId)) return null; 3890 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3891 3892 // writer 3893 synchronized (mPackages) { 3894 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3895 boolean[] tmpBools = new boolean[permissions.length]; 3896 if (listUninstalled) { 3897 for (PackageSetting ps : mSettings.mPackages.values()) { 3898 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3899 } 3900 } else { 3901 for (PackageParser.Package pkg : mPackages.values()) { 3902 PackageSetting ps = (PackageSetting)pkg.mExtras; 3903 if (ps != null) { 3904 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3905 userId); 3906 } 3907 } 3908 } 3909 3910 return new ParceledListSlice<PackageInfo>(list); 3911 } 3912 } 3913 3914 @Override 3915 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3916 if (!sUserManager.exists(userId)) return null; 3917 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3918 3919 // writer 3920 synchronized (mPackages) { 3921 ArrayList<ApplicationInfo> list; 3922 if (listUninstalled) { 3923 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3924 for (PackageSetting ps : mSettings.mPackages.values()) { 3925 ApplicationInfo ai; 3926 if (ps.pkg != null) { 3927 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3928 ps.readUserState(userId), userId); 3929 } else { 3930 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3931 } 3932 if (ai != null) { 3933 list.add(ai); 3934 } 3935 } 3936 } else { 3937 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3938 for (PackageParser.Package p : mPackages.values()) { 3939 if (p.mExtras != null) { 3940 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3941 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3942 if (ai != null) { 3943 list.add(ai); 3944 } 3945 } 3946 } 3947 } 3948 3949 return new ParceledListSlice<ApplicationInfo>(list); 3950 } 3951 } 3952 3953 public List<ApplicationInfo> getPersistentApplications(int flags) { 3954 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3955 3956 // reader 3957 synchronized (mPackages) { 3958 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3959 final int userId = UserHandle.getCallingUserId(); 3960 while (i.hasNext()) { 3961 final PackageParser.Package p = i.next(); 3962 if (p.applicationInfo != null 3963 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3964 && (!mSafeMode || isSystemApp(p))) { 3965 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3966 if (ps != null) { 3967 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3968 ps.readUserState(userId), userId); 3969 if (ai != null) { 3970 finalList.add(ai); 3971 } 3972 } 3973 } 3974 } 3975 } 3976 3977 return finalList; 3978 } 3979 3980 @Override 3981 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3982 if (!sUserManager.exists(userId)) return null; 3983 // reader 3984 synchronized (mPackages) { 3985 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3986 PackageSetting ps = provider != null 3987 ? mSettings.mPackages.get(provider.owner.packageName) 3988 : null; 3989 return ps != null 3990 && mSettings.isEnabledLPr(provider.info, flags, userId) 3991 && (!mSafeMode || (provider.info.applicationInfo.flags 3992 &ApplicationInfo.FLAG_SYSTEM) != 0) 3993 ? PackageParser.generateProviderInfo(provider, flags, 3994 ps.readUserState(userId), userId) 3995 : null; 3996 } 3997 } 3998 3999 /** 4000 * @deprecated 4001 */ 4002 @Deprecated 4003 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4004 // reader 4005 synchronized (mPackages) { 4006 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4007 .entrySet().iterator(); 4008 final int userId = UserHandle.getCallingUserId(); 4009 while (i.hasNext()) { 4010 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4011 PackageParser.Provider p = entry.getValue(); 4012 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4013 4014 if (ps != null && p.syncable 4015 && (!mSafeMode || (p.info.applicationInfo.flags 4016 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4017 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4018 ps.readUserState(userId), userId); 4019 if (info != null) { 4020 outNames.add(entry.getKey()); 4021 outInfo.add(info); 4022 } 4023 } 4024 } 4025 } 4026 } 4027 4028 @Override 4029 public List<ProviderInfo> queryContentProviders(String processName, 4030 int uid, int flags) { 4031 ArrayList<ProviderInfo> finalList = null; 4032 // reader 4033 synchronized (mPackages) { 4034 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4035 final int userId = processName != null ? 4036 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4037 while (i.hasNext()) { 4038 final PackageParser.Provider p = i.next(); 4039 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4040 if (ps != null && p.info.authority != null 4041 && (processName == null 4042 || (p.info.processName.equals(processName) 4043 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4044 && mSettings.isEnabledLPr(p.info, flags, userId) 4045 && (!mSafeMode 4046 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4047 if (finalList == null) { 4048 finalList = new ArrayList<ProviderInfo>(3); 4049 } 4050 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4051 ps.readUserState(userId), userId); 4052 if (info != null) { 4053 finalList.add(info); 4054 } 4055 } 4056 } 4057 } 4058 4059 if (finalList != null) { 4060 Collections.sort(finalList, mProviderInitOrderSorter); 4061 } 4062 4063 return finalList; 4064 } 4065 4066 @Override 4067 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4068 int flags) { 4069 // reader 4070 synchronized (mPackages) { 4071 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4072 return PackageParser.generateInstrumentationInfo(i, flags); 4073 } 4074 } 4075 4076 @Override 4077 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4078 int flags) { 4079 ArrayList<InstrumentationInfo> finalList = 4080 new ArrayList<InstrumentationInfo>(); 4081 4082 // reader 4083 synchronized (mPackages) { 4084 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4085 while (i.hasNext()) { 4086 final PackageParser.Instrumentation p = i.next(); 4087 if (targetPackage == null 4088 || targetPackage.equals(p.info.targetPackage)) { 4089 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4090 flags); 4091 if (ii != null) { 4092 finalList.add(ii); 4093 } 4094 } 4095 } 4096 } 4097 4098 return finalList; 4099 } 4100 4101 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4102 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4103 if (overlays == null) { 4104 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4105 return; 4106 } 4107 for (PackageParser.Package opkg : overlays.values()) { 4108 // Not much to do if idmap fails: we already logged the error 4109 // and we certainly don't want to abort installation of pkg simply 4110 // because an overlay didn't fit properly. For these reasons, 4111 // ignore the return value of createIdmapForPackagePairLI. 4112 createIdmapForPackagePairLI(pkg, opkg); 4113 } 4114 } 4115 4116 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4117 PackageParser.Package opkg) { 4118 if (!opkg.mTrustedOverlay) { 4119 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4120 opkg.baseCodePath + ": overlay not trusted"); 4121 return false; 4122 } 4123 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4124 if (overlaySet == null) { 4125 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4126 opkg.baseCodePath + " but target package has no known overlays"); 4127 return false; 4128 } 4129 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4130 // TODO: generate idmap for split APKs 4131 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4132 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4133 + opkg.baseCodePath); 4134 return false; 4135 } 4136 PackageParser.Package[] overlayArray = 4137 overlaySet.values().toArray(new PackageParser.Package[0]); 4138 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4139 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4140 return p1.mOverlayPriority - p2.mOverlayPriority; 4141 } 4142 }; 4143 Arrays.sort(overlayArray, cmp); 4144 4145 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4146 int i = 0; 4147 for (PackageParser.Package p : overlayArray) { 4148 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4149 } 4150 return true; 4151 } 4152 4153 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4154 final File[] files = dir.listFiles(); 4155 if (ArrayUtils.isEmpty(files)) { 4156 Log.d(TAG, "No files in app dir " + dir); 4157 return; 4158 } 4159 4160 if (DEBUG_PACKAGE_SCANNING) { 4161 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4162 + " flags=0x" + Integer.toHexString(parseFlags)); 4163 } 4164 4165 for (File file : files) { 4166 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4167 && !PackageInstallerService.isStageName(file.getName()); 4168 if (!isPackage) { 4169 // Ignore entries which are not packages 4170 continue; 4171 } 4172 try { 4173 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4174 scanFlags, currentTime, null); 4175 } catch (PackageManagerException e) { 4176 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4177 4178 // Delete invalid userdata apps 4179 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4180 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4181 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4182 if (file.isDirectory()) { 4183 mInstaller.rmPackageDir(file.getAbsolutePath()); 4184 } else { 4185 file.delete(); 4186 } 4187 } 4188 } 4189 } 4190 } 4191 4192 private static File getSettingsProblemFile() { 4193 File dataDir = Environment.getDataDirectory(); 4194 File systemDir = new File(dataDir, "system"); 4195 File fname = new File(systemDir, "uiderrors.txt"); 4196 return fname; 4197 } 4198 4199 static void reportSettingsProblem(int priority, String msg) { 4200 logCriticalInfo(priority, msg); 4201 } 4202 4203 static void logCriticalInfo(int priority, String msg) { 4204 Slog.println(priority, TAG, msg); 4205 EventLogTags.writePmCriticalInfo(msg); 4206 try { 4207 File fname = getSettingsProblemFile(); 4208 FileOutputStream out = new FileOutputStream(fname, true); 4209 PrintWriter pw = new FastPrintWriter(out); 4210 SimpleDateFormat formatter = new SimpleDateFormat(); 4211 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4212 pw.println(dateString + ": " + msg); 4213 pw.close(); 4214 FileUtils.setPermissions( 4215 fname.toString(), 4216 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4217 -1, -1); 4218 } catch (java.io.IOException e) { 4219 } 4220 } 4221 4222 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4223 PackageParser.Package pkg, File srcFile, int parseFlags) 4224 throws PackageManagerException { 4225 if (ps != null 4226 && ps.codePath.equals(srcFile) 4227 && ps.timeStamp == srcFile.lastModified() 4228 && !isCompatSignatureUpdateNeeded(pkg) 4229 && !isRecoverSignatureUpdateNeeded(pkg)) { 4230 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4231 if (ps.signatures.mSignatures != null 4232 && ps.signatures.mSignatures.length != 0 4233 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4234 // Optimization: reuse the existing cached certificates 4235 // if the package appears to be unchanged. 4236 pkg.mSignatures = ps.signatures.mSignatures; 4237 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4238 synchronized (mPackages) { 4239 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4240 } 4241 return; 4242 } 4243 4244 Slog.w(TAG, "PackageSetting for " + ps.name 4245 + " is missing signatures. Collecting certs again to recover them."); 4246 } else { 4247 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4248 } 4249 4250 try { 4251 pp.collectCertificates(pkg, parseFlags); 4252 pp.collectManifestDigest(pkg); 4253 } catch (PackageParserException e) { 4254 throw PackageManagerException.from(e); 4255 } 4256 } 4257 4258 /* 4259 * Scan a package and return the newly parsed package. 4260 * Returns null in case of errors and the error code is stored in mLastScanError 4261 */ 4262 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4263 long currentTime, UserHandle user) throws PackageManagerException { 4264 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4265 parseFlags |= mDefParseFlags; 4266 PackageParser pp = new PackageParser(); 4267 pp.setSeparateProcesses(mSeparateProcesses); 4268 pp.setOnlyCoreApps(mOnlyCore); 4269 pp.setDisplayMetrics(mMetrics); 4270 4271 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4272 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4273 } 4274 4275 final PackageParser.Package pkg; 4276 try { 4277 pkg = pp.parsePackage(scanFile, parseFlags); 4278 } catch (PackageParserException e) { 4279 throw PackageManagerException.from(e); 4280 } 4281 4282 PackageSetting ps = null; 4283 PackageSetting updatedPkg; 4284 // reader 4285 synchronized (mPackages) { 4286 // Look to see if we already know about this package. 4287 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4288 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4289 // This package has been renamed to its original name. Let's 4290 // use that. 4291 ps = mSettings.peekPackageLPr(oldName); 4292 } 4293 // If there was no original package, see one for the real package name. 4294 if (ps == null) { 4295 ps = mSettings.peekPackageLPr(pkg.packageName); 4296 } 4297 // Check to see if this package could be hiding/updating a system 4298 // package. Must look for it either under the original or real 4299 // package name depending on our state. 4300 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4301 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4302 } 4303 boolean updatedPkgBetter = false; 4304 // First check if this is a system package that may involve an update 4305 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4306 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4307 // it needs to drop FLAG_PRIVILEGED. 4308 if (locationIsPrivileged(scanFile)) { 4309 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4310 } else { 4311 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4312 } 4313 4314 if (ps != null && !ps.codePath.equals(scanFile)) { 4315 // The path has changed from what was last scanned... check the 4316 // version of the new path against what we have stored to determine 4317 // what to do. 4318 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4319 if (pkg.mVersionCode <= ps.versionCode) { 4320 // The system package has been updated and the code path does not match 4321 // Ignore entry. Skip it. 4322 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4323 + " ignored: updated version " + ps.versionCode 4324 + " better than this " + pkg.mVersionCode); 4325 if (!updatedPkg.codePath.equals(scanFile)) { 4326 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4327 + ps.name + " changing from " + updatedPkg.codePathString 4328 + " to " + scanFile); 4329 updatedPkg.codePath = scanFile; 4330 updatedPkg.codePathString = scanFile.toString(); 4331 updatedPkg.resourcePath = scanFile; 4332 updatedPkg.resourcePathString = scanFile.toString(); 4333 } 4334 updatedPkg.pkg = pkg; 4335 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4336 } else { 4337 // The current app on the system partition is better than 4338 // what we have updated to on the data partition; switch 4339 // back to the system partition version. 4340 // At this point, its safely assumed that package installation for 4341 // apps in system partition will go through. If not there won't be a working 4342 // version of the app 4343 // writer 4344 synchronized (mPackages) { 4345 // Just remove the loaded entries from package lists. 4346 mPackages.remove(ps.name); 4347 } 4348 4349 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4350 + " reverting from " + ps.codePathString 4351 + ": new version " + pkg.mVersionCode 4352 + " better than installed " + ps.versionCode); 4353 4354 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4355 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4356 getAppDexInstructionSets(ps)); 4357 synchronized (mInstallLock) { 4358 args.cleanUpResourcesLI(); 4359 } 4360 synchronized (mPackages) { 4361 mSettings.enableSystemPackageLPw(ps.name); 4362 } 4363 updatedPkgBetter = true; 4364 } 4365 } 4366 } 4367 4368 if (updatedPkg != null) { 4369 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4370 // initially 4371 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4372 4373 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4374 // flag set initially 4375 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4376 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4377 } 4378 } 4379 4380 // Verify certificates against what was last scanned 4381 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4382 4383 /* 4384 * A new system app appeared, but we already had a non-system one of the 4385 * same name installed earlier. 4386 */ 4387 boolean shouldHideSystemApp = false; 4388 if (updatedPkg == null && ps != null 4389 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4390 /* 4391 * Check to make sure the signatures match first. If they don't, 4392 * wipe the installed application and its data. 4393 */ 4394 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4395 != PackageManager.SIGNATURE_MATCH) { 4396 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4397 + " signatures don't match existing userdata copy; removing"); 4398 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4399 ps = null; 4400 } else { 4401 /* 4402 * If the newly-added system app is an older version than the 4403 * already installed version, hide it. It will be scanned later 4404 * and re-added like an update. 4405 */ 4406 if (pkg.mVersionCode <= ps.versionCode) { 4407 shouldHideSystemApp = true; 4408 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4409 + " but new version " + pkg.mVersionCode + " better than installed " 4410 + ps.versionCode + "; hiding system"); 4411 } else { 4412 /* 4413 * The newly found system app is a newer version that the 4414 * one previously installed. Simply remove the 4415 * already-installed application and replace it with our own 4416 * while keeping the application data. 4417 */ 4418 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4419 + " reverting from " + ps.codePathString + ": new version " 4420 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4421 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4422 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4423 getAppDexInstructionSets(ps)); 4424 synchronized (mInstallLock) { 4425 args.cleanUpResourcesLI(); 4426 } 4427 } 4428 } 4429 } 4430 4431 // The apk is forward locked (not public) if its code and resources 4432 // are kept in different files. (except for app in either system or 4433 // vendor path). 4434 // TODO grab this value from PackageSettings 4435 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4436 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4437 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4438 } 4439 } 4440 4441 // TODO: extend to support forward-locked splits 4442 String resourcePath = null; 4443 String baseResourcePath = null; 4444 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4445 if (ps != null && ps.resourcePathString != null) { 4446 resourcePath = ps.resourcePathString; 4447 baseResourcePath = ps.resourcePathString; 4448 } else { 4449 // Should not happen at all. Just log an error. 4450 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4451 } 4452 } else { 4453 resourcePath = pkg.codePath; 4454 baseResourcePath = pkg.baseCodePath; 4455 } 4456 4457 // Set application objects path explicitly. 4458 pkg.applicationInfo.setCodePath(pkg.codePath); 4459 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4460 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4461 pkg.applicationInfo.setResourcePath(resourcePath); 4462 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4463 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4464 4465 // Note that we invoke the following method only if we are about to unpack an application 4466 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4467 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4468 4469 /* 4470 * If the system app should be overridden by a previously installed 4471 * data, hide the system app now and let the /data/app scan pick it up 4472 * again. 4473 */ 4474 if (shouldHideSystemApp) { 4475 synchronized (mPackages) { 4476 /* 4477 * We have to grant systems permissions before we hide, because 4478 * grantPermissions will assume the package update is trying to 4479 * expand its permissions. 4480 */ 4481 grantPermissionsLPw(pkg, true, pkg.packageName); 4482 mSettings.disableSystemPackageLPw(pkg.packageName); 4483 } 4484 } 4485 4486 return scannedPkg; 4487 } 4488 4489 private static String fixProcessName(String defProcessName, 4490 String processName, int uid) { 4491 if (processName == null) { 4492 return defProcessName; 4493 } 4494 return processName; 4495 } 4496 4497 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4498 throws PackageManagerException { 4499 if (pkgSetting.signatures.mSignatures != null) { 4500 // Already existing package. Make sure signatures match 4501 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4502 == PackageManager.SIGNATURE_MATCH; 4503 if (!match) { 4504 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4505 == PackageManager.SIGNATURE_MATCH; 4506 } 4507 if (!match) { 4508 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4509 == PackageManager.SIGNATURE_MATCH; 4510 } 4511 if (!match) { 4512 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4513 + pkg.packageName + " signatures do not match the " 4514 + "previously installed version; ignoring!"); 4515 } 4516 } 4517 4518 // Check for shared user signatures 4519 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4520 // Already existing package. Make sure signatures match 4521 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4522 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4523 if (!match) { 4524 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4525 == PackageManager.SIGNATURE_MATCH; 4526 } 4527 if (!match) { 4528 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4529 == PackageManager.SIGNATURE_MATCH; 4530 } 4531 if (!match) { 4532 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4533 "Package " + pkg.packageName 4534 + " has no signatures that match those in shared user " 4535 + pkgSetting.sharedUser.name + "; ignoring!"); 4536 } 4537 } 4538 } 4539 4540 /** 4541 * Enforces that only the system UID or root's UID can call a method exposed 4542 * via Binder. 4543 * 4544 * @param message used as message if SecurityException is thrown 4545 * @throws SecurityException if the caller is not system or root 4546 */ 4547 private static final void enforceSystemOrRoot(String message) { 4548 final int uid = Binder.getCallingUid(); 4549 if (uid != Process.SYSTEM_UID && uid != 0) { 4550 throw new SecurityException(message); 4551 } 4552 } 4553 4554 @Override 4555 public void performBootDexOpt() { 4556 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4557 4558 // Before everything else, see whether we need to fstrim. 4559 try { 4560 IMountService ms = PackageHelper.getMountService(); 4561 if (ms != null) { 4562 final boolean isUpgrade = isUpgrade(); 4563 boolean doTrim = isUpgrade; 4564 if (doTrim) { 4565 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4566 } else { 4567 final long interval = android.provider.Settings.Global.getLong( 4568 mContext.getContentResolver(), 4569 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4570 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4571 if (interval > 0) { 4572 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4573 if (timeSinceLast > interval) { 4574 doTrim = true; 4575 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4576 + "; running immediately"); 4577 } 4578 } 4579 } 4580 if (doTrim) { 4581 if (!isFirstBoot()) { 4582 try { 4583 ActivityManagerNative.getDefault().showBootMessage( 4584 mContext.getResources().getString( 4585 R.string.android_upgrading_fstrim), true); 4586 } catch (RemoteException e) { 4587 } 4588 } 4589 ms.runMaintenance(); 4590 } 4591 } else { 4592 Slog.e(TAG, "Mount service unavailable!"); 4593 } 4594 } catch (RemoteException e) { 4595 // Can't happen; MountService is local 4596 } 4597 4598 final ArraySet<PackageParser.Package> pkgs; 4599 synchronized (mPackages) { 4600 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4601 } 4602 4603 if (pkgs != null) { 4604 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4605 // in case the device runs out of space. 4606 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4607 // Give priority to core apps. 4608 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4609 PackageParser.Package pkg = it.next(); 4610 if (pkg.coreApp) { 4611 if (DEBUG_DEXOPT) { 4612 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4613 } 4614 sortedPkgs.add(pkg); 4615 it.remove(); 4616 } 4617 } 4618 // Give priority to system apps that listen for pre boot complete. 4619 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4620 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4621 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4622 PackageParser.Package pkg = it.next(); 4623 if (pkgNames.contains(pkg.packageName)) { 4624 if (DEBUG_DEXOPT) { 4625 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4626 } 4627 sortedPkgs.add(pkg); 4628 it.remove(); 4629 } 4630 } 4631 // Give priority to system apps. 4632 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4633 PackageParser.Package pkg = it.next(); 4634 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 4635 if (DEBUG_DEXOPT) { 4636 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4637 } 4638 sortedPkgs.add(pkg); 4639 it.remove(); 4640 } 4641 } 4642 // Give priority to updated system apps. 4643 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4644 PackageParser.Package pkg = it.next(); 4645 if (pkg.isUpdatedSystemApp()) { 4646 if (DEBUG_DEXOPT) { 4647 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4648 } 4649 sortedPkgs.add(pkg); 4650 it.remove(); 4651 } 4652 } 4653 // Give priority to apps that listen for boot complete. 4654 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4655 pkgNames = getPackageNamesForIntent(intent); 4656 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4657 PackageParser.Package pkg = it.next(); 4658 if (pkgNames.contains(pkg.packageName)) { 4659 if (DEBUG_DEXOPT) { 4660 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4661 } 4662 sortedPkgs.add(pkg); 4663 it.remove(); 4664 } 4665 } 4666 // Filter out packages that aren't recently used. 4667 filterRecentlyUsedApps(pkgs); 4668 // Add all remaining apps. 4669 for (PackageParser.Package pkg : pkgs) { 4670 if (DEBUG_DEXOPT) { 4671 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4672 } 4673 sortedPkgs.add(pkg); 4674 } 4675 4676 // If we want to be lazy, filter everything that wasn't recently used. 4677 if (mLazyDexOpt) { 4678 filterRecentlyUsedApps(sortedPkgs); 4679 } 4680 4681 int i = 0; 4682 int total = sortedPkgs.size(); 4683 File dataDir = Environment.getDataDirectory(); 4684 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4685 if (lowThreshold == 0) { 4686 throw new IllegalStateException("Invalid low memory threshold"); 4687 } 4688 for (PackageParser.Package pkg : sortedPkgs) { 4689 long usableSpace = dataDir.getUsableSpace(); 4690 if (usableSpace < lowThreshold) { 4691 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4692 break; 4693 } 4694 performBootDexOpt(pkg, ++i, total); 4695 } 4696 } 4697 } 4698 4699 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4700 // Filter out packages that aren't recently used. 4701 // 4702 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4703 // should do a full dexopt. 4704 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4705 int total = pkgs.size(); 4706 int skipped = 0; 4707 long now = System.currentTimeMillis(); 4708 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4709 PackageParser.Package pkg = i.next(); 4710 long then = pkg.mLastPackageUsageTimeInMills; 4711 if (then + mDexOptLRUThresholdInMills < now) { 4712 if (DEBUG_DEXOPT) { 4713 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4714 ((then == 0) ? "never" : new Date(then))); 4715 } 4716 i.remove(); 4717 skipped++; 4718 } 4719 } 4720 if (DEBUG_DEXOPT) { 4721 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4722 } 4723 } 4724 } 4725 4726 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4727 List<ResolveInfo> ris = null; 4728 try { 4729 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4730 intent, null, 0, UserHandle.USER_OWNER); 4731 } catch (RemoteException e) { 4732 } 4733 ArraySet<String> pkgNames = new ArraySet<String>(); 4734 if (ris != null) { 4735 for (ResolveInfo ri : ris) { 4736 pkgNames.add(ri.activityInfo.packageName); 4737 } 4738 } 4739 return pkgNames; 4740 } 4741 4742 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4743 if (DEBUG_DEXOPT) { 4744 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4745 } 4746 if (!isFirstBoot()) { 4747 try { 4748 ActivityManagerNative.getDefault().showBootMessage( 4749 mContext.getResources().getString(R.string.android_upgrading_apk, 4750 curr, total), true); 4751 } catch (RemoteException e) { 4752 } 4753 } 4754 PackageParser.Package p = pkg; 4755 synchronized (mInstallLock) { 4756 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4757 false /* force dex */, false /* defer */, true /* include dependencies */); 4758 } 4759 } 4760 4761 @Override 4762 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4763 return performDexOpt(packageName, instructionSet, false); 4764 } 4765 4766 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4767 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4768 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4769 if (!dexopt && !updateUsage) { 4770 // We aren't going to dexopt or update usage, so bail early. 4771 return false; 4772 } 4773 PackageParser.Package p; 4774 final String targetInstructionSet; 4775 synchronized (mPackages) { 4776 p = mPackages.get(packageName); 4777 if (p == null) { 4778 return false; 4779 } 4780 if (updateUsage) { 4781 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4782 } 4783 mPackageUsage.write(false); 4784 if (!dexopt) { 4785 // We aren't going to dexopt, so bail early. 4786 return false; 4787 } 4788 4789 targetInstructionSet = instructionSet != null ? instructionSet : 4790 getPrimaryInstructionSet(p.applicationInfo); 4791 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4792 return false; 4793 } 4794 } 4795 4796 synchronized (mInstallLock) { 4797 final String[] instructionSets = new String[] { targetInstructionSet }; 4798 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4799 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4800 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4801 } 4802 } 4803 4804 public ArraySet<String> getPackagesThatNeedDexOpt() { 4805 ArraySet<String> pkgs = null; 4806 synchronized (mPackages) { 4807 for (PackageParser.Package p : mPackages.values()) { 4808 if (DEBUG_DEXOPT) { 4809 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4810 } 4811 if (!p.mDexOptPerformed.isEmpty()) { 4812 continue; 4813 } 4814 if (pkgs == null) { 4815 pkgs = new ArraySet<String>(); 4816 } 4817 pkgs.add(p.packageName); 4818 } 4819 } 4820 return pkgs; 4821 } 4822 4823 public void shutdown() { 4824 mPackageUsage.write(true); 4825 } 4826 4827 @Override 4828 public void forceDexOpt(String packageName) { 4829 enforceSystemOrRoot("forceDexOpt"); 4830 4831 PackageParser.Package pkg; 4832 synchronized (mPackages) { 4833 pkg = mPackages.get(packageName); 4834 if (pkg == null) { 4835 throw new IllegalArgumentException("Missing package: " + packageName); 4836 } 4837 } 4838 4839 synchronized (mInstallLock) { 4840 final String[] instructionSets = new String[] { 4841 getPrimaryInstructionSet(pkg.applicationInfo) }; 4842 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4843 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4844 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4845 throw new IllegalStateException("Failed to dexopt: " + res); 4846 } 4847 } 4848 } 4849 4850 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4851 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4852 Slog.w(TAG, "Unable to update from " + oldPkg.name 4853 + " to " + newPkg.packageName 4854 + ": old package not in system partition"); 4855 return false; 4856 } else if (mPackages.get(oldPkg.name) != null) { 4857 Slog.w(TAG, "Unable to update from " + oldPkg.name 4858 + " to " + newPkg.packageName 4859 + ": old package still exists"); 4860 return false; 4861 } 4862 return true; 4863 } 4864 4865 private File getDataPathForPackage(String packageName, int userId) { 4866 /* 4867 * Until we fully support multiple users, return the directory we 4868 * previously would have. The PackageManagerTests will need to be 4869 * revised when this is changed back.. 4870 */ 4871 if (userId == 0) { 4872 return new File(mAppDataDir, packageName); 4873 } else { 4874 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4875 + File.separator + packageName); 4876 } 4877 } 4878 4879 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4880 int[] users = sUserManager.getUserIds(); 4881 int res = mInstaller.install(packageName, uid, uid, seinfo); 4882 if (res < 0) { 4883 return res; 4884 } 4885 for (int user : users) { 4886 if (user != 0) { 4887 res = mInstaller.createUserData(packageName, 4888 UserHandle.getUid(user, uid), user, seinfo); 4889 if (res < 0) { 4890 return res; 4891 } 4892 } 4893 } 4894 return res; 4895 } 4896 4897 private int removeDataDirsLI(String packageName) { 4898 int[] users = sUserManager.getUserIds(); 4899 int res = 0; 4900 for (int user : users) { 4901 int resInner = mInstaller.remove(packageName, user); 4902 if (resInner < 0) { 4903 res = resInner; 4904 } 4905 } 4906 4907 return res; 4908 } 4909 4910 private int deleteCodeCacheDirsLI(String packageName) { 4911 int[] users = sUserManager.getUserIds(); 4912 int res = 0; 4913 for (int user : users) { 4914 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4915 if (resInner < 0) { 4916 res = resInner; 4917 } 4918 } 4919 return res; 4920 } 4921 4922 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4923 PackageParser.Package changingLib) { 4924 if (file.path != null) { 4925 usesLibraryFiles.add(file.path); 4926 return; 4927 } 4928 PackageParser.Package p = mPackages.get(file.apk); 4929 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4930 // If we are doing this while in the middle of updating a library apk, 4931 // then we need to make sure to use that new apk for determining the 4932 // dependencies here. (We haven't yet finished committing the new apk 4933 // to the package manager state.) 4934 if (p == null || p.packageName.equals(changingLib.packageName)) { 4935 p = changingLib; 4936 } 4937 } 4938 if (p != null) { 4939 usesLibraryFiles.addAll(p.getAllCodePaths()); 4940 } 4941 } 4942 4943 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4944 PackageParser.Package changingLib) throws PackageManagerException { 4945 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4946 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4947 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4948 for (int i=0; i<N; i++) { 4949 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4950 if (file == null) { 4951 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4952 "Package " + pkg.packageName + " requires unavailable shared library " 4953 + pkg.usesLibraries.get(i) + "; failing!"); 4954 } 4955 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4956 } 4957 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4958 for (int i=0; i<N; i++) { 4959 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4960 if (file == null) { 4961 Slog.w(TAG, "Package " + pkg.packageName 4962 + " desires unavailable shared library " 4963 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4964 } else { 4965 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4966 } 4967 } 4968 N = usesLibraryFiles.size(); 4969 if (N > 0) { 4970 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4971 } else { 4972 pkg.usesLibraryFiles = null; 4973 } 4974 } 4975 } 4976 4977 private static boolean hasString(List<String> list, List<String> which) { 4978 if (list == null) { 4979 return false; 4980 } 4981 for (int i=list.size()-1; i>=0; i--) { 4982 for (int j=which.size()-1; j>=0; j--) { 4983 if (which.get(j).equals(list.get(i))) { 4984 return true; 4985 } 4986 } 4987 } 4988 return false; 4989 } 4990 4991 private void updateAllSharedLibrariesLPw() { 4992 for (PackageParser.Package pkg : mPackages.values()) { 4993 try { 4994 updateSharedLibrariesLPw(pkg, null); 4995 } catch (PackageManagerException e) { 4996 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4997 } 4998 } 4999 } 5000 5001 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5002 PackageParser.Package changingPkg) { 5003 ArrayList<PackageParser.Package> res = null; 5004 for (PackageParser.Package pkg : mPackages.values()) { 5005 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5006 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5007 if (res == null) { 5008 res = new ArrayList<PackageParser.Package>(); 5009 } 5010 res.add(pkg); 5011 try { 5012 updateSharedLibrariesLPw(pkg, changingPkg); 5013 } catch (PackageManagerException e) { 5014 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5015 } 5016 } 5017 } 5018 return res; 5019 } 5020 5021 /** 5022 * Derive the value of the {@code cpuAbiOverride} based on the provided 5023 * value and an optional stored value from the package settings. 5024 */ 5025 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5026 String cpuAbiOverride = null; 5027 5028 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5029 cpuAbiOverride = null; 5030 } else if (abiOverride != null) { 5031 cpuAbiOverride = abiOverride; 5032 } else if (settings != null) { 5033 cpuAbiOverride = settings.cpuAbiOverrideString; 5034 } 5035 5036 return cpuAbiOverride; 5037 } 5038 5039 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5040 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5041 boolean success = false; 5042 try { 5043 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5044 currentTime, user); 5045 success = true; 5046 return res; 5047 } finally { 5048 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5049 removeDataDirsLI(pkg.packageName); 5050 } 5051 } 5052 } 5053 5054 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5055 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5056 final File scanFile = new File(pkg.codePath); 5057 if (pkg.applicationInfo.getCodePath() == null || 5058 pkg.applicationInfo.getResourcePath() == null) { 5059 // Bail out. The resource and code paths haven't been set. 5060 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5061 "Code and resource paths haven't been set correctly"); 5062 } 5063 5064 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5065 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5066 } else { 5067 // Only allow system apps to be flagged as core apps. 5068 pkg.coreApp = false; 5069 } 5070 5071 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5072 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5073 } 5074 5075 if (mCustomResolverComponentName != null && 5076 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5077 setUpCustomResolverActivity(pkg); 5078 } 5079 5080 if (pkg.packageName.equals("android")) { 5081 synchronized (mPackages) { 5082 if (mAndroidApplication != null) { 5083 Slog.w(TAG, "*************************************************"); 5084 Slog.w(TAG, "Core android package being redefined. Skipping."); 5085 Slog.w(TAG, " file=" + scanFile); 5086 Slog.w(TAG, "*************************************************"); 5087 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5088 "Core android package being redefined. Skipping."); 5089 } 5090 5091 // Set up information for our fall-back user intent resolution activity. 5092 mPlatformPackage = pkg; 5093 pkg.mVersionCode = mSdkVersion; 5094 mAndroidApplication = pkg.applicationInfo; 5095 5096 if (!mResolverReplaced) { 5097 mResolveActivity.applicationInfo = mAndroidApplication; 5098 mResolveActivity.name = ResolverActivity.class.getName(); 5099 mResolveActivity.packageName = mAndroidApplication.packageName; 5100 mResolveActivity.processName = "system:ui"; 5101 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5102 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5103 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5104 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5105 mResolveActivity.exported = true; 5106 mResolveActivity.enabled = true; 5107 mResolveInfo.activityInfo = mResolveActivity; 5108 mResolveInfo.priority = 0; 5109 mResolveInfo.preferredOrder = 0; 5110 mResolveInfo.match = 0; 5111 mResolveComponentName = new ComponentName( 5112 mAndroidApplication.packageName, mResolveActivity.name); 5113 } 5114 } 5115 } 5116 5117 if (DEBUG_PACKAGE_SCANNING) { 5118 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5119 Log.d(TAG, "Scanning package " + pkg.packageName); 5120 } 5121 5122 if (mPackages.containsKey(pkg.packageName) 5123 || mSharedLibraries.containsKey(pkg.packageName)) { 5124 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5125 "Application package " + pkg.packageName 5126 + " already installed. Skipping duplicate."); 5127 } 5128 5129 // Initialize package source and resource directories 5130 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5131 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5132 5133 SharedUserSetting suid = null; 5134 PackageSetting pkgSetting = null; 5135 5136 if (!isSystemApp(pkg)) { 5137 // Only system apps can use these features. 5138 pkg.mOriginalPackages = null; 5139 pkg.mRealPackage = null; 5140 pkg.mAdoptPermissions = null; 5141 } 5142 5143 // writer 5144 synchronized (mPackages) { 5145 if (pkg.mSharedUserId != null) { 5146 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5147 if (suid == null) { 5148 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5149 "Creating application package " + pkg.packageName 5150 + " for shared user failed"); 5151 } 5152 if (DEBUG_PACKAGE_SCANNING) { 5153 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5154 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5155 + "): packages=" + suid.packages); 5156 } 5157 } 5158 5159 // Check if we are renaming from an original package name. 5160 PackageSetting origPackage = null; 5161 String realName = null; 5162 if (pkg.mOriginalPackages != null) { 5163 // This package may need to be renamed to a previously 5164 // installed name. Let's check on that... 5165 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5166 if (pkg.mOriginalPackages.contains(renamed)) { 5167 // This package had originally been installed as the 5168 // original name, and we have already taken care of 5169 // transitioning to the new one. Just update the new 5170 // one to continue using the old name. 5171 realName = pkg.mRealPackage; 5172 if (!pkg.packageName.equals(renamed)) { 5173 // Callers into this function may have already taken 5174 // care of renaming the package; only do it here if 5175 // it is not already done. 5176 pkg.setPackageName(renamed); 5177 } 5178 5179 } else { 5180 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5181 if ((origPackage = mSettings.peekPackageLPr( 5182 pkg.mOriginalPackages.get(i))) != null) { 5183 // We do have the package already installed under its 5184 // original name... should we use it? 5185 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5186 // New package is not compatible with original. 5187 origPackage = null; 5188 continue; 5189 } else if (origPackage.sharedUser != null) { 5190 // Make sure uid is compatible between packages. 5191 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5192 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5193 + " to " + pkg.packageName + ": old uid " 5194 + origPackage.sharedUser.name 5195 + " differs from " + pkg.mSharedUserId); 5196 origPackage = null; 5197 continue; 5198 } 5199 } else { 5200 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5201 + pkg.packageName + " to old name " + origPackage.name); 5202 } 5203 break; 5204 } 5205 } 5206 } 5207 } 5208 5209 if (mTransferedPackages.contains(pkg.packageName)) { 5210 Slog.w(TAG, "Package " + pkg.packageName 5211 + " was transferred to another, but its .apk remains"); 5212 } 5213 5214 // Just create the setting, don't add it yet. For already existing packages 5215 // the PkgSetting exists already and doesn't have to be created. 5216 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5217 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5218 pkg.applicationInfo.primaryCpuAbi, 5219 pkg.applicationInfo.secondaryCpuAbi, 5220 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5221 user, false); 5222 if (pkgSetting == null) { 5223 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5224 "Creating application package " + pkg.packageName + " failed"); 5225 } 5226 5227 if (pkgSetting.origPackage != null) { 5228 // If we are first transitioning from an original package, 5229 // fix up the new package's name now. We need to do this after 5230 // looking up the package under its new name, so getPackageLP 5231 // can take care of fiddling things correctly. 5232 pkg.setPackageName(origPackage.name); 5233 5234 // File a report about this. 5235 String msg = "New package " + pkgSetting.realName 5236 + " renamed to replace old package " + pkgSetting.name; 5237 reportSettingsProblem(Log.WARN, msg); 5238 5239 // Make a note of it. 5240 mTransferedPackages.add(origPackage.name); 5241 5242 // No longer need to retain this. 5243 pkgSetting.origPackage = null; 5244 } 5245 5246 if (realName != null) { 5247 // Make a note of it. 5248 mTransferedPackages.add(pkg.packageName); 5249 } 5250 5251 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5252 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5253 } 5254 5255 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5256 // Check all shared libraries and map to their actual file path. 5257 // We only do this here for apps not on a system dir, because those 5258 // are the only ones that can fail an install due to this. We 5259 // will take care of the system apps by updating all of their 5260 // library paths after the scan is done. 5261 updateSharedLibrariesLPw(pkg, null); 5262 } 5263 5264 if (mFoundPolicyFile) { 5265 SELinuxMMAC.assignSeinfoValue(pkg); 5266 } 5267 5268 pkg.applicationInfo.uid = pkgSetting.appId; 5269 pkg.mExtras = pkgSetting; 5270 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5271 try { 5272 verifySignaturesLP(pkgSetting, pkg); 5273 // We just determined the app is signed correctly, so bring 5274 // over the latest parsed certs. 5275 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5276 } catch (PackageManagerException e) { 5277 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5278 throw e; 5279 } 5280 // The signature has changed, but this package is in the system 5281 // image... let's recover! 5282 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5283 // However... if this package is part of a shared user, but it 5284 // doesn't match the signature of the shared user, let's fail. 5285 // What this means is that you can't change the signatures 5286 // associated with an overall shared user, which doesn't seem all 5287 // that unreasonable. 5288 if (pkgSetting.sharedUser != null) { 5289 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5290 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5291 throw new PackageManagerException( 5292 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5293 "Signature mismatch for shared user : " 5294 + pkgSetting.sharedUser); 5295 } 5296 } 5297 // File a report about this. 5298 String msg = "System package " + pkg.packageName 5299 + " signature changed; retaining data."; 5300 reportSettingsProblem(Log.WARN, msg); 5301 } 5302 } else { 5303 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5304 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5305 + pkg.packageName + " upgrade keys do not match the " 5306 + "previously installed version"); 5307 } else { 5308 // We just determined the app is signed correctly, so bring 5309 // over the latest parsed certs. 5310 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5311 } 5312 } 5313 // Verify that this new package doesn't have any content providers 5314 // that conflict with existing packages. Only do this if the 5315 // package isn't already installed, since we don't want to break 5316 // things that are installed. 5317 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5318 final int N = pkg.providers.size(); 5319 int i; 5320 for (i=0; i<N; i++) { 5321 PackageParser.Provider p = pkg.providers.get(i); 5322 if (p.info.authority != null) { 5323 String names[] = p.info.authority.split(";"); 5324 for (int j = 0; j < names.length; j++) { 5325 if (mProvidersByAuthority.containsKey(names[j])) { 5326 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5327 final String otherPackageName = 5328 ((other != null && other.getComponentName() != null) ? 5329 other.getComponentName().getPackageName() : "?"); 5330 throw new PackageManagerException( 5331 INSTALL_FAILED_CONFLICTING_PROVIDER, 5332 "Can't install because provider name " + names[j] 5333 + " (in package " + pkg.applicationInfo.packageName 5334 + ") is already used by " + otherPackageName); 5335 } 5336 } 5337 } 5338 } 5339 } 5340 5341 if (pkg.mAdoptPermissions != null) { 5342 // This package wants to adopt ownership of permissions from 5343 // another package. 5344 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5345 final String origName = pkg.mAdoptPermissions.get(i); 5346 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5347 if (orig != null) { 5348 if (verifyPackageUpdateLPr(orig, pkg)) { 5349 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5350 + pkg.packageName); 5351 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5352 } 5353 } 5354 } 5355 } 5356 } 5357 5358 final String pkgName = pkg.packageName; 5359 5360 final long scanFileTime = scanFile.lastModified(); 5361 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5362 pkg.applicationInfo.processName = fixProcessName( 5363 pkg.applicationInfo.packageName, 5364 pkg.applicationInfo.processName, 5365 pkg.applicationInfo.uid); 5366 5367 File dataPath; 5368 if (mPlatformPackage == pkg) { 5369 // The system package is special. 5370 dataPath = new File(Environment.getDataDirectory(), "system"); 5371 5372 pkg.applicationInfo.dataDir = dataPath.getPath(); 5373 5374 } else { 5375 // This is a normal package, need to make its data directory. 5376 dataPath = getDataPathForPackage(pkg.packageName, 0); 5377 5378 boolean uidError = false; 5379 if (dataPath.exists()) { 5380 int currentUid = 0; 5381 try { 5382 StructStat stat = Os.stat(dataPath.getPath()); 5383 currentUid = stat.st_uid; 5384 } catch (ErrnoException e) { 5385 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5386 } 5387 5388 // If we have mismatched owners for the data path, we have a problem. 5389 if (currentUid != pkg.applicationInfo.uid) { 5390 boolean recovered = false; 5391 if (currentUid == 0) { 5392 // The directory somehow became owned by root. Wow. 5393 // This is probably because the system was stopped while 5394 // installd was in the middle of messing with its libs 5395 // directory. Ask installd to fix that. 5396 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5397 pkg.applicationInfo.uid); 5398 if (ret >= 0) { 5399 recovered = true; 5400 String msg = "Package " + pkg.packageName 5401 + " unexpectedly changed to uid 0; recovered to " + 5402 + pkg.applicationInfo.uid; 5403 reportSettingsProblem(Log.WARN, msg); 5404 } 5405 } 5406 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5407 || (scanFlags&SCAN_BOOTING) != 0)) { 5408 // If this is a system app, we can at least delete its 5409 // current data so the application will still work. 5410 int ret = removeDataDirsLI(pkgName); 5411 if (ret >= 0) { 5412 // TODO: Kill the processes first 5413 // Old data gone! 5414 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5415 ? "System package " : "Third party package "; 5416 String msg = prefix + pkg.packageName 5417 + " has changed from uid: " 5418 + currentUid + " to " 5419 + pkg.applicationInfo.uid + "; old data erased"; 5420 reportSettingsProblem(Log.WARN, msg); 5421 recovered = true; 5422 5423 // And now re-install the app. 5424 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5425 pkg.applicationInfo.seinfo); 5426 if (ret == -1) { 5427 // Ack should not happen! 5428 msg = prefix + pkg.packageName 5429 + " could not have data directory re-created after delete."; 5430 reportSettingsProblem(Log.WARN, msg); 5431 throw new PackageManagerException( 5432 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5433 } 5434 } 5435 if (!recovered) { 5436 mHasSystemUidErrors = true; 5437 } 5438 } else if (!recovered) { 5439 // If we allow this install to proceed, we will be broken. 5440 // Abort, abort! 5441 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5442 "scanPackageLI"); 5443 } 5444 if (!recovered) { 5445 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5446 + pkg.applicationInfo.uid + "/fs_" 5447 + currentUid; 5448 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5449 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5450 String msg = "Package " + pkg.packageName 5451 + " has mismatched uid: " 5452 + currentUid + " on disk, " 5453 + pkg.applicationInfo.uid + " in settings"; 5454 // writer 5455 synchronized (mPackages) { 5456 mSettings.mReadMessages.append(msg); 5457 mSettings.mReadMessages.append('\n'); 5458 uidError = true; 5459 if (!pkgSetting.uidError) { 5460 reportSettingsProblem(Log.ERROR, msg); 5461 } 5462 } 5463 } 5464 } 5465 pkg.applicationInfo.dataDir = dataPath.getPath(); 5466 if (mShouldRestoreconData) { 5467 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5468 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5469 pkg.applicationInfo.uid); 5470 } 5471 } else { 5472 if (DEBUG_PACKAGE_SCANNING) { 5473 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5474 Log.v(TAG, "Want this data dir: " + dataPath); 5475 } 5476 //invoke installer to do the actual installation 5477 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5478 pkg.applicationInfo.seinfo); 5479 if (ret < 0) { 5480 // Error from installer 5481 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5482 "Unable to create data dirs [errorCode=" + ret + "]"); 5483 } 5484 5485 if (dataPath.exists()) { 5486 pkg.applicationInfo.dataDir = dataPath.getPath(); 5487 } else { 5488 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5489 pkg.applicationInfo.dataDir = null; 5490 } 5491 } 5492 5493 pkgSetting.uidError = uidError; 5494 } 5495 5496 final String path = scanFile.getPath(); 5497 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5498 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5499 setBundledAppAbisAndRoots(pkg, pkgSetting); 5500 5501 // If we haven't found any native libraries for the app, check if it has 5502 // renderscript code. We'll need to force the app to 32 bit if it has 5503 // renderscript bitcode. 5504 if (pkg.applicationInfo.primaryCpuAbi == null 5505 && pkg.applicationInfo.secondaryCpuAbi == null 5506 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5507 NativeLibraryHelper.Handle handle = null; 5508 try { 5509 handle = NativeLibraryHelper.Handle.create(scanFile); 5510 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5511 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5512 } 5513 } catch (IOException ioe) { 5514 Slog.w(TAG, "Error scanning system app : " + ioe); 5515 } finally { 5516 IoUtils.closeQuietly(handle); 5517 } 5518 } 5519 5520 setNativeLibraryPaths(pkg); 5521 } else { 5522 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 5523 deriveNonSystemPackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 5524 } else { 5525 // TODO: We need this second call to derive in two cases : 5526 // 5527 // - To update the native library paths based on the final install location. 5528 // - We don't call dexopt when moving packages, and so we have to scan again. 5529 // 5530 // We can simplify this and avoid having to scan the package again by letting 5531 // scanPackageLI know if the current install was a move (and deriving things only 5532 // in that case) and by "reparenting" the native lib directory in the case of 5533 // a normal (non-move) install. 5534 deriveNonSystemPackageAbi(pkg, scanFile, cpuAbiOverride, false /* extract libs */); 5535 } 5536 5537 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5538 final int[] userIds = sUserManager.getUserIds(); 5539 synchronized (mInstallLock) { 5540 // Create a native library symlink only if we have native libraries 5541 // and if the native libraries are 32 bit libraries. We do not provide 5542 // this symlink for 64 bit libraries. 5543 if (pkg.applicationInfo.primaryCpuAbi != null && 5544 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5545 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5546 for (int userId : userIds) { 5547 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5548 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5549 "Failed linking native library dir (user=" + userId + ")"); 5550 } 5551 } 5552 } 5553 } 5554 } 5555 5556 // This is a special case for the "system" package, where the ABI is 5557 // dictated by the zygote configuration (and init.rc). We should keep track 5558 // of this ABI so that we can deal with "normal" applications that run under 5559 // the same UID correctly. 5560 if (mPlatformPackage == pkg) { 5561 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5562 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5563 } 5564 5565 // If there's a mismatch between the abi-override in the package setting 5566 // and the abiOverride specified for the install. Warn about this because we 5567 // would've already compiled the app without taking the package setting into 5568 // account. 5569 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 5570 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 5571 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 5572 " for package: " + pkg.packageName); 5573 } 5574 } 5575 5576 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5577 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5578 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5579 5580 // Copy the derived override back to the parsed package, so that we can 5581 // update the package settings accordingly. 5582 pkg.cpuAbiOverride = cpuAbiOverride; 5583 5584 if (DEBUG_ABI_SELECTION) { 5585 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5586 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5587 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5588 } 5589 5590 // Push the derived path down into PackageSettings so we know what to 5591 // clean up at uninstall time. 5592 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5593 5594 if (DEBUG_ABI_SELECTION) { 5595 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5596 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5597 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5598 } 5599 5600 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5601 // We don't do this here during boot because we can do it all 5602 // at once after scanning all existing packages. 5603 // 5604 // We also do this *before* we perform dexopt on this package, so that 5605 // we can avoid redundant dexopts, and also to make sure we've got the 5606 // code and package path correct. 5607 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5608 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5609 } 5610 5611 if ((scanFlags & SCAN_NO_DEX) == 0) { 5612 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5613 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5614 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5615 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5616 } 5617 } 5618 if (mFactoryTest && pkg.requestedPermissions.contains( 5619 android.Manifest.permission.FACTORY_TEST)) { 5620 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5621 } 5622 5623 ArrayList<PackageParser.Package> clientLibPkgs = null; 5624 5625 // writer 5626 synchronized (mPackages) { 5627 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5628 // Only system apps can add new shared libraries. 5629 if (pkg.libraryNames != null) { 5630 for (int i=0; i<pkg.libraryNames.size(); i++) { 5631 String name = pkg.libraryNames.get(i); 5632 boolean allowed = false; 5633 if (pkg.isUpdatedSystemApp()) { 5634 // New library entries can only be added through the 5635 // system image. This is important to get rid of a lot 5636 // of nasty edge cases: for example if we allowed a non- 5637 // system update of the app to add a library, then uninstalling 5638 // the update would make the library go away, and assumptions 5639 // we made such as through app install filtering would now 5640 // have allowed apps on the device which aren't compatible 5641 // with it. Better to just have the restriction here, be 5642 // conservative, and create many fewer cases that can negatively 5643 // impact the user experience. 5644 final PackageSetting sysPs = mSettings 5645 .getDisabledSystemPkgLPr(pkg.packageName); 5646 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5647 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5648 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5649 allowed = true; 5650 allowed = true; 5651 break; 5652 } 5653 } 5654 } 5655 } else { 5656 allowed = true; 5657 } 5658 if (allowed) { 5659 if (!mSharedLibraries.containsKey(name)) { 5660 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5661 } else if (!name.equals(pkg.packageName)) { 5662 Slog.w(TAG, "Package " + pkg.packageName + " library " 5663 + name + " already exists; skipping"); 5664 } 5665 } else { 5666 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5667 + name + " that is not declared on system image; skipping"); 5668 } 5669 } 5670 if ((scanFlags&SCAN_BOOTING) == 0) { 5671 // If we are not booting, we need to update any applications 5672 // that are clients of our shared library. If we are booting, 5673 // this will all be done once the scan is complete. 5674 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5675 } 5676 } 5677 } 5678 } 5679 5680 // We also need to dexopt any apps that are dependent on this library. Note that 5681 // if these fail, we should abort the install since installing the library will 5682 // result in some apps being broken. 5683 if (clientLibPkgs != null) { 5684 if ((scanFlags & SCAN_NO_DEX) == 0) { 5685 for (int i = 0; i < clientLibPkgs.size(); i++) { 5686 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5687 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5688 null /* instruction sets */, forceDex, 5689 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5690 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5691 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5692 "scanPackageLI failed to dexopt clientLibPkgs"); 5693 } 5694 } 5695 } 5696 } 5697 5698 // Request the ActivityManager to kill the process(only for existing packages) 5699 // so that we do not end up in a confused state while the user is still using the older 5700 // version of the application while the new one gets installed. 5701 if ((scanFlags & SCAN_REPLACING) != 0) { 5702 killApplication(pkg.applicationInfo.packageName, 5703 pkg.applicationInfo.uid, "update pkg"); 5704 } 5705 5706 // Also need to kill any apps that are dependent on the library. 5707 if (clientLibPkgs != null) { 5708 for (int i=0; i<clientLibPkgs.size(); i++) { 5709 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5710 killApplication(clientPkg.applicationInfo.packageName, 5711 clientPkg.applicationInfo.uid, "update lib"); 5712 } 5713 } 5714 5715 // writer 5716 synchronized (mPackages) { 5717 // We don't expect installation to fail beyond this point 5718 5719 // Add the new setting to mSettings 5720 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5721 // Add the new setting to mPackages 5722 mPackages.put(pkg.applicationInfo.packageName, pkg); 5723 // Make sure we don't accidentally delete its data. 5724 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5725 while (iter.hasNext()) { 5726 PackageCleanItem item = iter.next(); 5727 if (pkgName.equals(item.packageName)) { 5728 iter.remove(); 5729 } 5730 } 5731 5732 // Take care of first install / last update times. 5733 if (currentTime != 0) { 5734 if (pkgSetting.firstInstallTime == 0) { 5735 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5736 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5737 pkgSetting.lastUpdateTime = currentTime; 5738 } 5739 } else if (pkgSetting.firstInstallTime == 0) { 5740 // We need *something*. Take time time stamp of the file. 5741 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5742 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5743 if (scanFileTime != pkgSetting.timeStamp) { 5744 // A package on the system image has changed; consider this 5745 // to be an update. 5746 pkgSetting.lastUpdateTime = scanFileTime; 5747 } 5748 } 5749 5750 // Add the package's KeySets to the global KeySetManagerService 5751 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5752 try { 5753 // Old KeySetData no longer valid. 5754 ksms.removeAppKeySetDataLPw(pkg.packageName); 5755 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5756 if (pkg.mKeySetMapping != null) { 5757 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5758 pkg.mKeySetMapping.entrySet()) { 5759 if (entry.getValue() != null) { 5760 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5761 entry.getValue(), entry.getKey()); 5762 } 5763 } 5764 if (pkg.mUpgradeKeySets != null) { 5765 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5766 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5767 } 5768 } 5769 } 5770 } catch (NullPointerException e) { 5771 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5772 } catch (IllegalArgumentException e) { 5773 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5774 } 5775 5776 int N = pkg.providers.size(); 5777 StringBuilder r = null; 5778 int i; 5779 for (i=0; i<N; i++) { 5780 PackageParser.Provider p = pkg.providers.get(i); 5781 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5782 p.info.processName, pkg.applicationInfo.uid); 5783 mProviders.addProvider(p); 5784 p.syncable = p.info.isSyncable; 5785 if (p.info.authority != null) { 5786 String names[] = p.info.authority.split(";"); 5787 p.info.authority = null; 5788 for (int j = 0; j < names.length; j++) { 5789 if (j == 1 && p.syncable) { 5790 // We only want the first authority for a provider to possibly be 5791 // syncable, so if we already added this provider using a different 5792 // authority clear the syncable flag. We copy the provider before 5793 // changing it because the mProviders object contains a reference 5794 // to a provider that we don't want to change. 5795 // Only do this for the second authority since the resulting provider 5796 // object can be the same for all future authorities for this provider. 5797 p = new PackageParser.Provider(p); 5798 p.syncable = false; 5799 } 5800 if (!mProvidersByAuthority.containsKey(names[j])) { 5801 mProvidersByAuthority.put(names[j], p); 5802 if (p.info.authority == null) { 5803 p.info.authority = names[j]; 5804 } else { 5805 p.info.authority = p.info.authority + ";" + names[j]; 5806 } 5807 if (DEBUG_PACKAGE_SCANNING) { 5808 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5809 Log.d(TAG, "Registered content provider: " + names[j] 5810 + ", className = " + p.info.name + ", isSyncable = " 5811 + p.info.isSyncable); 5812 } 5813 } else { 5814 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5815 Slog.w(TAG, "Skipping provider name " + names[j] + 5816 " (in package " + pkg.applicationInfo.packageName + 5817 "): name already used by " 5818 + ((other != null && other.getComponentName() != null) 5819 ? other.getComponentName().getPackageName() : "?")); 5820 } 5821 } 5822 } 5823 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5824 if (r == null) { 5825 r = new StringBuilder(256); 5826 } else { 5827 r.append(' '); 5828 } 5829 r.append(p.info.name); 5830 } 5831 } 5832 if (r != null) { 5833 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5834 } 5835 5836 N = pkg.services.size(); 5837 r = null; 5838 for (i=0; i<N; i++) { 5839 PackageParser.Service s = pkg.services.get(i); 5840 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5841 s.info.processName, pkg.applicationInfo.uid); 5842 mServices.addService(s); 5843 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5844 if (r == null) { 5845 r = new StringBuilder(256); 5846 } else { 5847 r.append(' '); 5848 } 5849 r.append(s.info.name); 5850 } 5851 } 5852 if (r != null) { 5853 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5854 } 5855 5856 N = pkg.receivers.size(); 5857 r = null; 5858 for (i=0; i<N; i++) { 5859 PackageParser.Activity a = pkg.receivers.get(i); 5860 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5861 a.info.processName, pkg.applicationInfo.uid); 5862 mReceivers.addActivity(a, "receiver"); 5863 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5864 if (r == null) { 5865 r = new StringBuilder(256); 5866 } else { 5867 r.append(' '); 5868 } 5869 r.append(a.info.name); 5870 } 5871 } 5872 if (r != null) { 5873 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5874 } 5875 5876 N = pkg.activities.size(); 5877 r = null; 5878 for (i=0; i<N; i++) { 5879 PackageParser.Activity a = pkg.activities.get(i); 5880 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5881 a.info.processName, pkg.applicationInfo.uid); 5882 mActivities.addActivity(a, "activity"); 5883 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5884 if (r == null) { 5885 r = new StringBuilder(256); 5886 } else { 5887 r.append(' '); 5888 } 5889 r.append(a.info.name); 5890 } 5891 } 5892 if (r != null) { 5893 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5894 } 5895 5896 N = pkg.permissionGroups.size(); 5897 r = null; 5898 for (i=0; i<N; i++) { 5899 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5900 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5901 if (cur == null) { 5902 mPermissionGroups.put(pg.info.name, pg); 5903 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5904 if (r == null) { 5905 r = new StringBuilder(256); 5906 } else { 5907 r.append(' '); 5908 } 5909 r.append(pg.info.name); 5910 } 5911 } else { 5912 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5913 + pg.info.packageName + " ignored: original from " 5914 + cur.info.packageName); 5915 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5916 if (r == null) { 5917 r = new StringBuilder(256); 5918 } else { 5919 r.append(' '); 5920 } 5921 r.append("DUP:"); 5922 r.append(pg.info.name); 5923 } 5924 } 5925 } 5926 if (r != null) { 5927 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5928 } 5929 5930 N = pkg.permissions.size(); 5931 r = null; 5932 for (i=0; i<N; i++) { 5933 PackageParser.Permission p = pkg.permissions.get(i); 5934 ArrayMap<String, BasePermission> permissionMap = 5935 p.tree ? mSettings.mPermissionTrees 5936 : mSettings.mPermissions; 5937 p.group = mPermissionGroups.get(p.info.group); 5938 if (p.info.group == null || p.group != null) { 5939 BasePermission bp = permissionMap.get(p.info.name); 5940 5941 // Allow system apps to redefine non-system permissions 5942 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 5943 final boolean currentOwnerIsSystem = (bp.perm != null 5944 && isSystemApp(bp.perm.owner)); 5945 if (isSystemApp(p.owner)) { 5946 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 5947 // It's a built-in permission and no owner, take ownership now 5948 bp.packageSetting = pkgSetting; 5949 bp.perm = p; 5950 bp.uid = pkg.applicationInfo.uid; 5951 bp.sourcePackage = p.info.packageName; 5952 } else if (!currentOwnerIsSystem) { 5953 String msg = "New decl " + p.owner + " of permission " 5954 + p.info.name + " is system; overriding " + bp.sourcePackage; 5955 reportSettingsProblem(Log.WARN, msg); 5956 bp = null; 5957 } 5958 } 5959 } 5960 5961 if (bp == null) { 5962 bp = new BasePermission(p.info.name, p.info.packageName, 5963 BasePermission.TYPE_NORMAL); 5964 permissionMap.put(p.info.name, bp); 5965 } 5966 5967 if (bp.perm == null) { 5968 if (bp.sourcePackage == null 5969 || bp.sourcePackage.equals(p.info.packageName)) { 5970 BasePermission tree = findPermissionTreeLP(p.info.name); 5971 if (tree == null 5972 || tree.sourcePackage.equals(p.info.packageName)) { 5973 bp.packageSetting = pkgSetting; 5974 bp.perm = p; 5975 bp.uid = pkg.applicationInfo.uid; 5976 bp.sourcePackage = p.info.packageName; 5977 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5978 if (r == null) { 5979 r = new StringBuilder(256); 5980 } else { 5981 r.append(' '); 5982 } 5983 r.append(p.info.name); 5984 } 5985 } else { 5986 Slog.w(TAG, "Permission " + p.info.name + " from package " 5987 + p.info.packageName + " ignored: base tree " 5988 + tree.name + " is from package " 5989 + tree.sourcePackage); 5990 } 5991 } else { 5992 Slog.w(TAG, "Permission " + p.info.name + " from package " 5993 + p.info.packageName + " ignored: original from " 5994 + bp.sourcePackage); 5995 } 5996 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5997 if (r == null) { 5998 r = new StringBuilder(256); 5999 } else { 6000 r.append(' '); 6001 } 6002 r.append("DUP:"); 6003 r.append(p.info.name); 6004 } 6005 if (bp.perm == p) { 6006 bp.protectionLevel = p.info.protectionLevel; 6007 } 6008 } else { 6009 Slog.w(TAG, "Permission " + p.info.name + " from package " 6010 + p.info.packageName + " ignored: no group " 6011 + p.group); 6012 } 6013 } 6014 if (r != null) { 6015 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6016 } 6017 6018 N = pkg.instrumentation.size(); 6019 r = null; 6020 for (i=0; i<N; i++) { 6021 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6022 a.info.packageName = pkg.applicationInfo.packageName; 6023 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6024 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6025 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6026 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6027 a.info.dataDir = pkg.applicationInfo.dataDir; 6028 6029 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6030 // need other information about the application, like the ABI and what not ? 6031 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6032 mInstrumentation.put(a.getComponentName(), a); 6033 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6034 if (r == null) { 6035 r = new StringBuilder(256); 6036 } else { 6037 r.append(' '); 6038 } 6039 r.append(a.info.name); 6040 } 6041 } 6042 if (r != null) { 6043 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6044 } 6045 6046 if (pkg.protectedBroadcasts != null) { 6047 N = pkg.protectedBroadcasts.size(); 6048 for (i=0; i<N; i++) { 6049 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6050 } 6051 } 6052 6053 pkgSetting.setTimeStamp(scanFileTime); 6054 6055 // Create idmap files for pairs of (packages, overlay packages). 6056 // Note: "android", ie framework-res.apk, is handled by native layers. 6057 if (pkg.mOverlayTarget != null) { 6058 // This is an overlay package. 6059 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6060 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6061 mOverlays.put(pkg.mOverlayTarget, 6062 new ArrayMap<String, PackageParser.Package>()); 6063 } 6064 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6065 map.put(pkg.packageName, pkg); 6066 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6067 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6068 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6069 "scanPackageLI failed to createIdmap"); 6070 } 6071 } 6072 } else if (mOverlays.containsKey(pkg.packageName) && 6073 !pkg.packageName.equals("android")) { 6074 // This is a regular package, with one or more known overlay packages. 6075 createIdmapsForPackageLI(pkg); 6076 } 6077 } 6078 6079 return pkg; 6080 } 6081 6082 /** 6083 * Derive the ABI of a non-system package located at {@code scanFile}. This information 6084 * is derived purely on the basis of the contents of {@code scanFile} and 6085 * {@code cpuAbiOverride}. 6086 * 6087 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 6088 */ 6089 public void deriveNonSystemPackageAbi(PackageParser.Package pkg, File scanFile, 6090 String cpuAbiOverride, boolean extractLibs) 6091 throws PackageManagerException { 6092 // TODO: We can probably be smarter about this stuff. For installed apps, 6093 // we can calculate this information at install time once and for all. For 6094 // system apps, we can probably assume that this information doesn't change 6095 // after the first boot scan. As things stand, we do lots of unnecessary work. 6096 6097 // Give ourselves some initial paths; we'll come back for another 6098 // pass once we've determined ABI below. 6099 setNativeLibraryPaths(pkg); 6100 6101 // We would never need to extract libs for forward-locked and external packages, 6102 // since the container service will do it for us. 6103 if (pkg.isForwardLocked() || isExternal(pkg)) { 6104 extractLibs = false; 6105 } 6106 6107 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 6108 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 6109 6110 NativeLibraryHelper.Handle handle = null; 6111 try { 6112 handle = NativeLibraryHelper.Handle.create(scanFile); 6113 // TODO(multiArch): This can be null for apps that didn't go through the 6114 // usual installation process. We can calculate it again, like we 6115 // do during install time. 6116 // 6117 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 6118 // unnecessary. 6119 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 6120 6121 // Null out the abis so that they can be recalculated. 6122 pkg.applicationInfo.primaryCpuAbi = null; 6123 pkg.applicationInfo.secondaryCpuAbi = null; 6124 if (isMultiArch(pkg.applicationInfo)) { 6125 // Warn if we've set an abiOverride for multi-lib packages.. 6126 // By definition, we need to copy both 32 and 64 bit libraries for 6127 // such packages. 6128 if (pkg.cpuAbiOverride != null 6129 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 6130 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 6131 } 6132 6133 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 6134 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 6135 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 6136 if (extractLibs) { 6137 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6138 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 6139 useIsaSpecificSubdirs); 6140 } else { 6141 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 6142 } 6143 } 6144 6145 maybeThrowExceptionForMultiArchCopy( 6146 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 6147 6148 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 6149 if (extractLibs) { 6150 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6151 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 6152 useIsaSpecificSubdirs); 6153 } else { 6154 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 6155 } 6156 } 6157 6158 maybeThrowExceptionForMultiArchCopy( 6159 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 6160 6161 if (abi64 >= 0) { 6162 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 6163 } 6164 6165 if (abi32 >= 0) { 6166 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 6167 if (abi64 >= 0) { 6168 pkg.applicationInfo.secondaryCpuAbi = abi; 6169 } else { 6170 pkg.applicationInfo.primaryCpuAbi = abi; 6171 } 6172 } 6173 } else { 6174 String[] abiList = (cpuAbiOverride != null) ? 6175 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 6176 6177 // Enable gross and lame hacks for apps that are built with old 6178 // SDK tools. We must scan their APKs for renderscript bitcode and 6179 // not launch them if it's present. Don't bother checking on devices 6180 // that don't have 64 bit support. 6181 boolean needsRenderScriptOverride = false; 6182 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 6183 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 6184 abiList = Build.SUPPORTED_32_BIT_ABIS; 6185 needsRenderScriptOverride = true; 6186 } 6187 6188 final int copyRet; 6189 if (extractLibs) { 6190 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 6191 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 6192 } else { 6193 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6194 } 6195 6196 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 6197 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6198 "Error unpackaging native libs for app, errorCode=" + copyRet); 6199 } 6200 6201 if (copyRet >= 0) { 6202 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 6203 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 6204 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 6205 } else if (needsRenderScriptOverride) { 6206 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 6207 } 6208 } 6209 } catch (IOException ioe) { 6210 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 6211 } finally { 6212 IoUtils.closeQuietly(handle); 6213 } 6214 6215 // Now that we've calculated the ABIs and determined if it's an internal app, 6216 // we will go ahead and populate the nativeLibraryPath. 6217 setNativeLibraryPaths(pkg); 6218 } 6219 6220 /** 6221 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6222 * i.e, so that all packages can be run inside a single process if required. 6223 * 6224 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6225 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6226 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6227 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6228 * updating a package that belongs to a shared user. 6229 * 6230 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6231 * adds unnecessary complexity. 6232 */ 6233 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6234 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6235 String requiredInstructionSet = null; 6236 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6237 requiredInstructionSet = VMRuntime.getInstructionSet( 6238 scannedPackage.applicationInfo.primaryCpuAbi); 6239 } 6240 6241 PackageSetting requirer = null; 6242 for (PackageSetting ps : packagesForUser) { 6243 // If packagesForUser contains scannedPackage, we skip it. This will happen 6244 // when scannedPackage is an update of an existing package. Without this check, 6245 // we will never be able to change the ABI of any package belonging to a shared 6246 // user, even if it's compatible with other packages. 6247 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6248 if (ps.primaryCpuAbiString == null) { 6249 continue; 6250 } 6251 6252 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6253 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6254 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6255 // this but there's not much we can do. 6256 String errorMessage = "Instruction set mismatch, " 6257 + ((requirer == null) ? "[caller]" : requirer) 6258 + " requires " + requiredInstructionSet + " whereas " + ps 6259 + " requires " + instructionSet; 6260 Slog.w(TAG, errorMessage); 6261 } 6262 6263 if (requiredInstructionSet == null) { 6264 requiredInstructionSet = instructionSet; 6265 requirer = ps; 6266 } 6267 } 6268 } 6269 6270 if (requiredInstructionSet != null) { 6271 String adjustedAbi; 6272 if (requirer != null) { 6273 // requirer != null implies that either scannedPackage was null or that scannedPackage 6274 // did not require an ABI, in which case we have to adjust scannedPackage to match 6275 // the ABI of the set (which is the same as requirer's ABI) 6276 adjustedAbi = requirer.primaryCpuAbiString; 6277 if (scannedPackage != null) { 6278 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6279 } 6280 } else { 6281 // requirer == null implies that we're updating all ABIs in the set to 6282 // match scannedPackage. 6283 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6284 } 6285 6286 for (PackageSetting ps : packagesForUser) { 6287 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6288 if (ps.primaryCpuAbiString != null) { 6289 continue; 6290 } 6291 6292 ps.primaryCpuAbiString = adjustedAbi; 6293 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6294 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6295 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6296 6297 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6298 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6299 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6300 ps.primaryCpuAbiString = null; 6301 ps.pkg.applicationInfo.primaryCpuAbi = null; 6302 return; 6303 } else { 6304 mInstaller.rmdex(ps.codePathString, 6305 getDexCodeInstructionSet(getPreferredInstructionSet())); 6306 } 6307 } 6308 } 6309 } 6310 } 6311 } 6312 6313 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6314 synchronized (mPackages) { 6315 mResolverReplaced = true; 6316 // Set up information for custom user intent resolution activity. 6317 mResolveActivity.applicationInfo = pkg.applicationInfo; 6318 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6319 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6320 mResolveActivity.processName = pkg.applicationInfo.packageName; 6321 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6322 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6323 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6324 mResolveActivity.theme = 0; 6325 mResolveActivity.exported = true; 6326 mResolveActivity.enabled = true; 6327 mResolveInfo.activityInfo = mResolveActivity; 6328 mResolveInfo.priority = 0; 6329 mResolveInfo.preferredOrder = 0; 6330 mResolveInfo.match = 0; 6331 mResolveComponentName = mCustomResolverComponentName; 6332 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6333 mResolveComponentName); 6334 } 6335 } 6336 6337 private static String calculateBundledApkRoot(final String codePathString) { 6338 final File codePath = new File(codePathString); 6339 final File codeRoot; 6340 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6341 codeRoot = Environment.getRootDirectory(); 6342 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6343 codeRoot = Environment.getOemDirectory(); 6344 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6345 codeRoot = Environment.getVendorDirectory(); 6346 } else { 6347 // Unrecognized code path; take its top real segment as the apk root: 6348 // e.g. /something/app/blah.apk => /something 6349 try { 6350 File f = codePath.getCanonicalFile(); 6351 File parent = f.getParentFile(); // non-null because codePath is a file 6352 File tmp; 6353 while ((tmp = parent.getParentFile()) != null) { 6354 f = parent; 6355 parent = tmp; 6356 } 6357 codeRoot = f; 6358 Slog.w(TAG, "Unrecognized code path " 6359 + codePath + " - using " + codeRoot); 6360 } catch (IOException e) { 6361 // Can't canonicalize the code path -- shenanigans? 6362 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6363 return Environment.getRootDirectory().getPath(); 6364 } 6365 } 6366 return codeRoot.getPath(); 6367 } 6368 6369 /** 6370 * Derive and set the location of native libraries for the given package, 6371 * which varies depending on where and how the package was installed. 6372 */ 6373 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6374 final ApplicationInfo info = pkg.applicationInfo; 6375 final String codePath = pkg.codePath; 6376 final File codeFile = new File(codePath); 6377 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 6378 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6379 6380 info.nativeLibraryRootDir = null; 6381 info.nativeLibraryRootRequiresIsa = false; 6382 info.nativeLibraryDir = null; 6383 info.secondaryNativeLibraryDir = null; 6384 6385 if (isApkFile(codeFile)) { 6386 // Monolithic install 6387 if (bundledApp) { 6388 // If "/system/lib64/apkname" exists, assume that is the per-package 6389 // native library directory to use; otherwise use "/system/lib/apkname". 6390 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6391 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6392 getPrimaryInstructionSet(info)); 6393 6394 // This is a bundled system app so choose the path based on the ABI. 6395 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6396 // is just the default path. 6397 final String apkName = deriveCodePathName(codePath); 6398 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6399 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6400 apkName).getAbsolutePath(); 6401 6402 if (info.secondaryCpuAbi != null) { 6403 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6404 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6405 secondaryLibDir, apkName).getAbsolutePath(); 6406 } 6407 } else if (asecApp) { 6408 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6409 .getAbsolutePath(); 6410 } else { 6411 final String apkName = deriveCodePathName(codePath); 6412 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6413 .getAbsolutePath(); 6414 } 6415 6416 info.nativeLibraryRootRequiresIsa = false; 6417 info.nativeLibraryDir = info.nativeLibraryRootDir; 6418 } else { 6419 // Cluster install 6420 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6421 info.nativeLibraryRootRequiresIsa = true; 6422 6423 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6424 getPrimaryInstructionSet(info)).getAbsolutePath(); 6425 6426 if (info.secondaryCpuAbi != null) { 6427 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6428 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6429 } 6430 } 6431 } 6432 6433 /** 6434 * Calculate the abis and roots for a bundled app. These can uniquely 6435 * be determined from the contents of the system partition, i.e whether 6436 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6437 * of this information, and instead assume that the system was built 6438 * sensibly. 6439 */ 6440 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6441 PackageSetting pkgSetting) { 6442 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6443 6444 // If "/system/lib64/apkname" exists, assume that is the per-package 6445 // native library directory to use; otherwise use "/system/lib/apkname". 6446 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6447 setBundledAppAbi(pkg, apkRoot, apkName); 6448 // pkgSetting might be null during rescan following uninstall of updates 6449 // to a bundled app, so accommodate that possibility. The settings in 6450 // that case will be established later from the parsed package. 6451 // 6452 // If the settings aren't null, sync them up with what we've just derived. 6453 // note that apkRoot isn't stored in the package settings. 6454 if (pkgSetting != null) { 6455 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6456 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6457 } 6458 } 6459 6460 /** 6461 * Deduces the ABI of a bundled app and sets the relevant fields on the 6462 * parsed pkg object. 6463 * 6464 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6465 * under which system libraries are installed. 6466 * @param apkName the name of the installed package. 6467 */ 6468 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6469 final File codeFile = new File(pkg.codePath); 6470 6471 final boolean has64BitLibs; 6472 final boolean has32BitLibs; 6473 if (isApkFile(codeFile)) { 6474 // Monolithic install 6475 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6476 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6477 } else { 6478 // Cluster install 6479 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6480 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6481 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6482 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6483 has64BitLibs = (new File(rootDir, isa)).exists(); 6484 } else { 6485 has64BitLibs = false; 6486 } 6487 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6488 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6489 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6490 has32BitLibs = (new File(rootDir, isa)).exists(); 6491 } else { 6492 has32BitLibs = false; 6493 } 6494 } 6495 6496 if (has64BitLibs && !has32BitLibs) { 6497 // The package has 64 bit libs, but not 32 bit libs. Its primary 6498 // ABI should be 64 bit. We can safely assume here that the bundled 6499 // native libraries correspond to the most preferred ABI in the list. 6500 6501 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6502 pkg.applicationInfo.secondaryCpuAbi = null; 6503 } else if (has32BitLibs && !has64BitLibs) { 6504 // The package has 32 bit libs but not 64 bit libs. Its primary 6505 // ABI should be 32 bit. 6506 6507 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6508 pkg.applicationInfo.secondaryCpuAbi = null; 6509 } else if (has32BitLibs && has64BitLibs) { 6510 // The application has both 64 and 32 bit bundled libraries. We check 6511 // here that the app declares multiArch support, and warn if it doesn't. 6512 // 6513 // We will be lenient here and record both ABIs. The primary will be the 6514 // ABI that's higher on the list, i.e, a device that's configured to prefer 6515 // 64 bit apps will see a 64 bit primary ABI, 6516 6517 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6518 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6519 } 6520 6521 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6522 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6523 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6524 } else { 6525 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6526 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6527 } 6528 } else { 6529 pkg.applicationInfo.primaryCpuAbi = null; 6530 pkg.applicationInfo.secondaryCpuAbi = null; 6531 } 6532 } 6533 6534 private void killApplication(String pkgName, int appId, String reason) { 6535 // Request the ActivityManager to kill the process(only for existing packages) 6536 // so that we do not end up in a confused state while the user is still using the older 6537 // version of the application while the new one gets installed. 6538 IActivityManager am = ActivityManagerNative.getDefault(); 6539 if (am != null) { 6540 try { 6541 am.killApplicationWithAppId(pkgName, appId, reason); 6542 } catch (RemoteException e) { 6543 } 6544 } 6545 } 6546 6547 void removePackageLI(PackageSetting ps, boolean chatty) { 6548 if (DEBUG_INSTALL) { 6549 if (chatty) 6550 Log.d(TAG, "Removing package " + ps.name); 6551 } 6552 6553 // writer 6554 synchronized (mPackages) { 6555 mPackages.remove(ps.name); 6556 final PackageParser.Package pkg = ps.pkg; 6557 if (pkg != null) { 6558 cleanPackageDataStructuresLILPw(pkg, chatty); 6559 } 6560 } 6561 } 6562 6563 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6564 if (DEBUG_INSTALL) { 6565 if (chatty) 6566 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6567 } 6568 6569 // writer 6570 synchronized (mPackages) { 6571 mPackages.remove(pkg.applicationInfo.packageName); 6572 cleanPackageDataStructuresLILPw(pkg, chatty); 6573 } 6574 } 6575 6576 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6577 int N = pkg.providers.size(); 6578 StringBuilder r = null; 6579 int i; 6580 for (i=0; i<N; i++) { 6581 PackageParser.Provider p = pkg.providers.get(i); 6582 mProviders.removeProvider(p); 6583 if (p.info.authority == null) { 6584 6585 /* There was another ContentProvider with this authority when 6586 * this app was installed so this authority is null, 6587 * Ignore it as we don't have to unregister the provider. 6588 */ 6589 continue; 6590 } 6591 String names[] = p.info.authority.split(";"); 6592 for (int j = 0; j < names.length; j++) { 6593 if (mProvidersByAuthority.get(names[j]) == p) { 6594 mProvidersByAuthority.remove(names[j]); 6595 if (DEBUG_REMOVE) { 6596 if (chatty) 6597 Log.d(TAG, "Unregistered content provider: " + names[j] 6598 + ", className = " + p.info.name + ", isSyncable = " 6599 + p.info.isSyncable); 6600 } 6601 } 6602 } 6603 if (DEBUG_REMOVE && chatty) { 6604 if (r == null) { 6605 r = new StringBuilder(256); 6606 } else { 6607 r.append(' '); 6608 } 6609 r.append(p.info.name); 6610 } 6611 } 6612 if (r != null) { 6613 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6614 } 6615 6616 N = pkg.services.size(); 6617 r = null; 6618 for (i=0; i<N; i++) { 6619 PackageParser.Service s = pkg.services.get(i); 6620 mServices.removeService(s); 6621 if (chatty) { 6622 if (r == null) { 6623 r = new StringBuilder(256); 6624 } else { 6625 r.append(' '); 6626 } 6627 r.append(s.info.name); 6628 } 6629 } 6630 if (r != null) { 6631 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6632 } 6633 6634 N = pkg.receivers.size(); 6635 r = null; 6636 for (i=0; i<N; i++) { 6637 PackageParser.Activity a = pkg.receivers.get(i); 6638 mReceivers.removeActivity(a, "receiver"); 6639 if (DEBUG_REMOVE && chatty) { 6640 if (r == null) { 6641 r = new StringBuilder(256); 6642 } else { 6643 r.append(' '); 6644 } 6645 r.append(a.info.name); 6646 } 6647 } 6648 if (r != null) { 6649 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6650 } 6651 6652 N = pkg.activities.size(); 6653 r = null; 6654 for (i=0; i<N; i++) { 6655 PackageParser.Activity a = pkg.activities.get(i); 6656 mActivities.removeActivity(a, "activity"); 6657 if (DEBUG_REMOVE && chatty) { 6658 if (r == null) { 6659 r = new StringBuilder(256); 6660 } else { 6661 r.append(' '); 6662 } 6663 r.append(a.info.name); 6664 } 6665 } 6666 if (r != null) { 6667 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6668 } 6669 6670 N = pkg.permissions.size(); 6671 r = null; 6672 for (i=0; i<N; i++) { 6673 PackageParser.Permission p = pkg.permissions.get(i); 6674 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6675 if (bp == null) { 6676 bp = mSettings.mPermissionTrees.get(p.info.name); 6677 } 6678 if (bp != null && bp.perm == p) { 6679 bp.perm = null; 6680 if (DEBUG_REMOVE && chatty) { 6681 if (r == null) { 6682 r = new StringBuilder(256); 6683 } else { 6684 r.append(' '); 6685 } 6686 r.append(p.info.name); 6687 } 6688 } 6689 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6690 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6691 if (appOpPerms != null) { 6692 appOpPerms.remove(pkg.packageName); 6693 } 6694 } 6695 } 6696 if (r != null) { 6697 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6698 } 6699 6700 N = pkg.requestedPermissions.size(); 6701 r = null; 6702 for (i=0; i<N; i++) { 6703 String perm = pkg.requestedPermissions.get(i); 6704 BasePermission bp = mSettings.mPermissions.get(perm); 6705 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6706 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6707 if (appOpPerms != null) { 6708 appOpPerms.remove(pkg.packageName); 6709 if (appOpPerms.isEmpty()) { 6710 mAppOpPermissionPackages.remove(perm); 6711 } 6712 } 6713 } 6714 } 6715 if (r != null) { 6716 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6717 } 6718 6719 N = pkg.instrumentation.size(); 6720 r = null; 6721 for (i=0; i<N; i++) { 6722 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6723 mInstrumentation.remove(a.getComponentName()); 6724 if (DEBUG_REMOVE && chatty) { 6725 if (r == null) { 6726 r = new StringBuilder(256); 6727 } else { 6728 r.append(' '); 6729 } 6730 r.append(a.info.name); 6731 } 6732 } 6733 if (r != null) { 6734 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6735 } 6736 6737 r = null; 6738 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6739 // Only system apps can hold shared libraries. 6740 if (pkg.libraryNames != null) { 6741 for (i=0; i<pkg.libraryNames.size(); i++) { 6742 String name = pkg.libraryNames.get(i); 6743 SharedLibraryEntry cur = mSharedLibraries.get(name); 6744 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6745 mSharedLibraries.remove(name); 6746 if (DEBUG_REMOVE && chatty) { 6747 if (r == null) { 6748 r = new StringBuilder(256); 6749 } else { 6750 r.append(' '); 6751 } 6752 r.append(name); 6753 } 6754 } 6755 } 6756 } 6757 } 6758 if (r != null) { 6759 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6760 } 6761 } 6762 6763 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6764 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6765 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6766 return true; 6767 } 6768 } 6769 return false; 6770 } 6771 6772 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6773 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6774 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6775 6776 private void updatePermissionsLPw(String changingPkg, 6777 PackageParser.Package pkgInfo, int flags) { 6778 // Make sure there are no dangling permission trees. 6779 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6780 while (it.hasNext()) { 6781 final BasePermission bp = it.next(); 6782 if (bp.packageSetting == null) { 6783 // We may not yet have parsed the package, so just see if 6784 // we still know about its settings. 6785 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6786 } 6787 if (bp.packageSetting == null) { 6788 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6789 + " from package " + bp.sourcePackage); 6790 it.remove(); 6791 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6792 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6793 Slog.i(TAG, "Removing old permission tree: " + bp.name 6794 + " from package " + bp.sourcePackage); 6795 flags |= UPDATE_PERMISSIONS_ALL; 6796 it.remove(); 6797 } 6798 } 6799 } 6800 6801 // Make sure all dynamic permissions have been assigned to a package, 6802 // and make sure there are no dangling permissions. 6803 it = mSettings.mPermissions.values().iterator(); 6804 while (it.hasNext()) { 6805 final BasePermission bp = it.next(); 6806 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6807 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6808 + bp.name + " pkg=" + bp.sourcePackage 6809 + " info=" + bp.pendingInfo); 6810 if (bp.packageSetting == null && bp.pendingInfo != null) { 6811 final BasePermission tree = findPermissionTreeLP(bp.name); 6812 if (tree != null && tree.perm != null) { 6813 bp.packageSetting = tree.packageSetting; 6814 bp.perm = new PackageParser.Permission(tree.perm.owner, 6815 new PermissionInfo(bp.pendingInfo)); 6816 bp.perm.info.packageName = tree.perm.info.packageName; 6817 bp.perm.info.name = bp.name; 6818 bp.uid = tree.uid; 6819 } 6820 } 6821 } 6822 if (bp.packageSetting == null) { 6823 // We may not yet have parsed the package, so just see if 6824 // we still know about its settings. 6825 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6826 } 6827 if (bp.packageSetting == null) { 6828 Slog.w(TAG, "Removing dangling permission: " + bp.name 6829 + " from package " + bp.sourcePackage); 6830 it.remove(); 6831 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6832 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6833 Slog.i(TAG, "Removing old permission: " + bp.name 6834 + " from package " + bp.sourcePackage); 6835 flags |= UPDATE_PERMISSIONS_ALL; 6836 it.remove(); 6837 } 6838 } 6839 } 6840 6841 // Now update the permissions for all packages, in particular 6842 // replace the granted permissions of the system packages. 6843 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6844 for (PackageParser.Package pkg : mPackages.values()) { 6845 if (pkg != pkgInfo) { 6846 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6847 changingPkg); 6848 } 6849 } 6850 } 6851 6852 if (pkgInfo != null) { 6853 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6854 } 6855 } 6856 6857 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6858 String packageOfInterest) { 6859 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6860 if (ps == null) { 6861 return; 6862 } 6863 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6864 ArraySet<String> origPermissions = gp.grantedPermissions; 6865 boolean changedPermission = false; 6866 6867 if (replace) { 6868 ps.permissionsFixed = false; 6869 if (gp == ps) { 6870 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6871 gp.grantedPermissions.clear(); 6872 gp.gids = mGlobalGids; 6873 } 6874 } 6875 6876 if (gp.gids == null) { 6877 gp.gids = mGlobalGids; 6878 } 6879 6880 final int N = pkg.requestedPermissions.size(); 6881 for (int i=0; i<N; i++) { 6882 final String name = pkg.requestedPermissions.get(i); 6883 final boolean required = pkg.requestedPermissionsRequired.get(i); 6884 final BasePermission bp = mSettings.mPermissions.get(name); 6885 if (DEBUG_INSTALL) { 6886 if (gp != ps) { 6887 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6888 } 6889 } 6890 6891 if (bp == null || bp.packageSetting == null) { 6892 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6893 Slog.w(TAG, "Unknown permission " + name 6894 + " in package " + pkg.packageName); 6895 } 6896 continue; 6897 } 6898 6899 final String perm = bp.name; 6900 boolean allowed; 6901 boolean allowedSig = false; 6902 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6903 // Keep track of app op permissions. 6904 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6905 if (pkgs == null) { 6906 pkgs = new ArraySet<>(); 6907 mAppOpPermissionPackages.put(bp.name, pkgs); 6908 } 6909 pkgs.add(pkg.packageName); 6910 } 6911 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6912 if (level == PermissionInfo.PROTECTION_NORMAL 6913 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6914 // We grant a normal or dangerous permission if any of the following 6915 // are true: 6916 // 1) The permission is required 6917 // 2) The permission is optional, but was granted in the past 6918 // 3) The permission is optional, but was requested by an 6919 // app in /system (not /data) 6920 // 6921 // Otherwise, reject the permission. 6922 allowed = (required || origPermissions.contains(perm) 6923 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6924 } else if (bp.packageSetting == null) { 6925 // This permission is invalid; skip it. 6926 allowed = false; 6927 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6928 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6929 if (allowed) { 6930 allowedSig = true; 6931 } 6932 } else { 6933 allowed = false; 6934 } 6935 if (DEBUG_INSTALL) { 6936 if (gp != ps) { 6937 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6938 } 6939 } 6940 if (allowed) { 6941 if (!isSystemApp(ps) && ps.permissionsFixed) { 6942 // If this is an existing, non-system package, then 6943 // we can't add any new permissions to it. 6944 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6945 // Except... if this is a permission that was added 6946 // to the platform (note: need to only do this when 6947 // updating the platform). 6948 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6949 } 6950 } 6951 if (allowed) { 6952 if (!gp.grantedPermissions.contains(perm)) { 6953 changedPermission = true; 6954 gp.grantedPermissions.add(perm); 6955 gp.gids = appendInts(gp.gids, bp.gids); 6956 } else if (!ps.haveGids) { 6957 gp.gids = appendInts(gp.gids, bp.gids); 6958 } 6959 } else { 6960 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6961 Slog.w(TAG, "Not granting permission " + perm 6962 + " to package " + pkg.packageName 6963 + " because it was previously installed without"); 6964 } 6965 } 6966 } else { 6967 if (gp.grantedPermissions.remove(perm)) { 6968 changedPermission = true; 6969 gp.gids = removeInts(gp.gids, bp.gids); 6970 Slog.i(TAG, "Un-granting permission " + perm 6971 + " from package " + pkg.packageName 6972 + " (protectionLevel=" + bp.protectionLevel 6973 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6974 + ")"); 6975 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6976 // Don't print warning for app op permissions, since it is fine for them 6977 // not to be granted, there is a UI for the user to decide. 6978 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6979 Slog.w(TAG, "Not granting permission " + perm 6980 + " to package " + pkg.packageName 6981 + " (protectionLevel=" + bp.protectionLevel 6982 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6983 + ")"); 6984 } 6985 } 6986 } 6987 } 6988 6989 if ((changedPermission || replace) && !ps.permissionsFixed && 6990 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6991 // This is the first that we have heard about this package, so the 6992 // permissions we have now selected are fixed until explicitly 6993 // changed. 6994 ps.permissionsFixed = true; 6995 } 6996 ps.haveGids = true; 6997 } 6998 6999 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7000 boolean allowed = false; 7001 final int NP = PackageParser.NEW_PERMISSIONS.length; 7002 for (int ip=0; ip<NP; ip++) { 7003 final PackageParser.NewPermissionInfo npi 7004 = PackageParser.NEW_PERMISSIONS[ip]; 7005 if (npi.name.equals(perm) 7006 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7007 allowed = true; 7008 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7009 + pkg.packageName); 7010 break; 7011 } 7012 } 7013 return allowed; 7014 } 7015 7016 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7017 BasePermission bp, ArraySet<String> origPermissions) { 7018 boolean allowed; 7019 allowed = (compareSignatures( 7020 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7021 == PackageManager.SIGNATURE_MATCH) 7022 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7023 == PackageManager.SIGNATURE_MATCH); 7024 if (!allowed && (bp.protectionLevel 7025 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7026 if (isSystemApp(pkg)) { 7027 // For updated system applications, a system permission 7028 // is granted only if it had been defined by the original application. 7029 if (pkg.isUpdatedSystemApp()) { 7030 final PackageSetting sysPs = mSettings 7031 .getDisabledSystemPkgLPr(pkg.packageName); 7032 final GrantedPermissions origGp = sysPs.sharedUser != null 7033 ? sysPs.sharedUser : sysPs; 7034 7035 if (origGp.grantedPermissions.contains(perm)) { 7036 // If the original was granted this permission, we take 7037 // that grant decision as read and propagate it to the 7038 // update. 7039 if (sysPs.isPrivileged()) { 7040 allowed = true; 7041 } 7042 } else { 7043 // The system apk may have been updated with an older 7044 // version of the one on the data partition, but which 7045 // granted a new system permission that it didn't have 7046 // before. In this case we do want to allow the app to 7047 // now get the new permission if the ancestral apk is 7048 // privileged to get it. 7049 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7050 for (int j=0; 7051 j<sysPs.pkg.requestedPermissions.size(); j++) { 7052 if (perm.equals( 7053 sysPs.pkg.requestedPermissions.get(j))) { 7054 allowed = true; 7055 break; 7056 } 7057 } 7058 } 7059 } 7060 } else { 7061 allowed = isPrivilegedApp(pkg); 7062 } 7063 } 7064 } 7065 if (!allowed && (bp.protectionLevel 7066 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7067 // For development permissions, a development permission 7068 // is granted only if it was already granted. 7069 allowed = origPermissions.contains(perm); 7070 } 7071 return allowed; 7072 } 7073 7074 final class ActivityIntentResolver 7075 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7076 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7077 boolean defaultOnly, int userId) { 7078 if (!sUserManager.exists(userId)) return null; 7079 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7080 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7081 } 7082 7083 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7084 int userId) { 7085 if (!sUserManager.exists(userId)) return null; 7086 mFlags = flags; 7087 return super.queryIntent(intent, resolvedType, 7088 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7089 } 7090 7091 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7092 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7093 if (!sUserManager.exists(userId)) return null; 7094 if (packageActivities == null) { 7095 return null; 7096 } 7097 mFlags = flags; 7098 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7099 final int N = packageActivities.size(); 7100 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7101 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7102 7103 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7104 for (int i = 0; i < N; ++i) { 7105 intentFilters = packageActivities.get(i).intents; 7106 if (intentFilters != null && intentFilters.size() > 0) { 7107 PackageParser.ActivityIntentInfo[] array = 7108 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7109 intentFilters.toArray(array); 7110 listCut.add(array); 7111 } 7112 } 7113 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7114 } 7115 7116 public final void addActivity(PackageParser.Activity a, String type) { 7117 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 7118 mActivities.put(a.getComponentName(), a); 7119 if (DEBUG_SHOW_INFO) 7120 Log.v( 7121 TAG, " " + type + " " + 7122 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7123 if (DEBUG_SHOW_INFO) 7124 Log.v(TAG, " Class=" + a.info.name); 7125 final int NI = a.intents.size(); 7126 for (int j=0; j<NI; j++) { 7127 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7128 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7129 intent.setPriority(0); 7130 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7131 + a.className + " with priority > 0, forcing to 0"); 7132 } 7133 if (DEBUG_SHOW_INFO) { 7134 Log.v(TAG, " IntentFilter:"); 7135 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7136 } 7137 if (!intent.debugCheck()) { 7138 Log.w(TAG, "==> For Activity " + a.info.name); 7139 } 7140 addFilter(intent); 7141 } 7142 } 7143 7144 public final void removeActivity(PackageParser.Activity a, String type) { 7145 mActivities.remove(a.getComponentName()); 7146 if (DEBUG_SHOW_INFO) { 7147 Log.v(TAG, " " + type + " " 7148 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7149 : a.info.name) + ":"); 7150 Log.v(TAG, " Class=" + a.info.name); 7151 } 7152 final int NI = a.intents.size(); 7153 for (int j=0; j<NI; j++) { 7154 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7155 if (DEBUG_SHOW_INFO) { 7156 Log.v(TAG, " IntentFilter:"); 7157 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7158 } 7159 removeFilter(intent); 7160 } 7161 } 7162 7163 @Override 7164 protected boolean allowFilterResult( 7165 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7166 ActivityInfo filterAi = filter.activity.info; 7167 for (int i=dest.size()-1; i>=0; i--) { 7168 ActivityInfo destAi = dest.get(i).activityInfo; 7169 if (destAi.name == filterAi.name 7170 && destAi.packageName == filterAi.packageName) { 7171 return false; 7172 } 7173 } 7174 return true; 7175 } 7176 7177 @Override 7178 protected ActivityIntentInfo[] newArray(int size) { 7179 return new ActivityIntentInfo[size]; 7180 } 7181 7182 @Override 7183 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7184 if (!sUserManager.exists(userId)) return true; 7185 PackageParser.Package p = filter.activity.owner; 7186 if (p != null) { 7187 PackageSetting ps = (PackageSetting)p.mExtras; 7188 if (ps != null) { 7189 // System apps are never considered stopped for purposes of 7190 // filtering, because there may be no way for the user to 7191 // actually re-launch them. 7192 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7193 && ps.getStopped(userId); 7194 } 7195 } 7196 return false; 7197 } 7198 7199 @Override 7200 protected boolean isPackageForFilter(String packageName, 7201 PackageParser.ActivityIntentInfo info) { 7202 return packageName.equals(info.activity.owner.packageName); 7203 } 7204 7205 @Override 7206 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7207 int match, int userId) { 7208 if (!sUserManager.exists(userId)) return null; 7209 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7210 return null; 7211 } 7212 final PackageParser.Activity activity = info.activity; 7213 if (mSafeMode && (activity.info.applicationInfo.flags 7214 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7215 return null; 7216 } 7217 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7218 if (ps == null) { 7219 return null; 7220 } 7221 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7222 ps.readUserState(userId), userId); 7223 if (ai == null) { 7224 return null; 7225 } 7226 final ResolveInfo res = new ResolveInfo(); 7227 res.activityInfo = ai; 7228 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7229 res.filter = info; 7230 } 7231 res.priority = info.getPriority(); 7232 res.preferredOrder = activity.owner.mPreferredOrder; 7233 //System.out.println("Result: " + res.activityInfo.className + 7234 // " = " + res.priority); 7235 res.match = match; 7236 res.isDefault = info.hasDefault; 7237 res.labelRes = info.labelRes; 7238 res.nonLocalizedLabel = info.nonLocalizedLabel; 7239 if (userNeedsBadging(userId)) { 7240 res.noResourceId = true; 7241 } else { 7242 res.icon = info.icon; 7243 } 7244 res.system = res.activityInfo.applicationInfo.isSystemApp(); 7245 return res; 7246 } 7247 7248 @Override 7249 protected void sortResults(List<ResolveInfo> results) { 7250 Collections.sort(results, mResolvePrioritySorter); 7251 } 7252 7253 @Override 7254 protected void dumpFilter(PrintWriter out, String prefix, 7255 PackageParser.ActivityIntentInfo filter) { 7256 out.print(prefix); out.print( 7257 Integer.toHexString(System.identityHashCode(filter.activity))); 7258 out.print(' '); 7259 filter.activity.printComponentShortName(out); 7260 out.print(" filter "); 7261 out.println(Integer.toHexString(System.identityHashCode(filter))); 7262 } 7263 7264 @Override 7265 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7266 return filter.activity; 7267 } 7268 7269 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7270 PackageParser.Activity activity = (PackageParser.Activity)label; 7271 out.print(prefix); out.print( 7272 Integer.toHexString(System.identityHashCode(activity))); 7273 out.print(' '); 7274 activity.printComponentShortName(out); 7275 if (count > 1) { 7276 out.print(" ("); out.print(count); out.print(" filters)"); 7277 } 7278 out.println(); 7279 } 7280 7281// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7282// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7283// final List<ResolveInfo> retList = Lists.newArrayList(); 7284// while (i.hasNext()) { 7285// final ResolveInfo resolveInfo = i.next(); 7286// if (isEnabledLP(resolveInfo.activityInfo)) { 7287// retList.add(resolveInfo); 7288// } 7289// } 7290// return retList; 7291// } 7292 7293 // Keys are String (activity class name), values are Activity. 7294 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7295 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7296 private int mFlags; 7297 } 7298 7299 private final class ServiceIntentResolver 7300 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7301 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7302 boolean defaultOnly, int userId) { 7303 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7304 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7305 } 7306 7307 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7308 int userId) { 7309 if (!sUserManager.exists(userId)) return null; 7310 mFlags = flags; 7311 return super.queryIntent(intent, resolvedType, 7312 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7313 } 7314 7315 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7316 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7317 if (!sUserManager.exists(userId)) return null; 7318 if (packageServices == null) { 7319 return null; 7320 } 7321 mFlags = flags; 7322 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7323 final int N = packageServices.size(); 7324 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7325 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7326 7327 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7328 for (int i = 0; i < N; ++i) { 7329 intentFilters = packageServices.get(i).intents; 7330 if (intentFilters != null && intentFilters.size() > 0) { 7331 PackageParser.ServiceIntentInfo[] array = 7332 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7333 intentFilters.toArray(array); 7334 listCut.add(array); 7335 } 7336 } 7337 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7338 } 7339 7340 public final void addService(PackageParser.Service s) { 7341 mServices.put(s.getComponentName(), s); 7342 if (DEBUG_SHOW_INFO) { 7343 Log.v(TAG, " " 7344 + (s.info.nonLocalizedLabel != null 7345 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7346 Log.v(TAG, " Class=" + s.info.name); 7347 } 7348 final int NI = s.intents.size(); 7349 int j; 7350 for (j=0; j<NI; j++) { 7351 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7352 if (DEBUG_SHOW_INFO) { 7353 Log.v(TAG, " IntentFilter:"); 7354 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7355 } 7356 if (!intent.debugCheck()) { 7357 Log.w(TAG, "==> For Service " + s.info.name); 7358 } 7359 addFilter(intent); 7360 } 7361 } 7362 7363 public final void removeService(PackageParser.Service s) { 7364 mServices.remove(s.getComponentName()); 7365 if (DEBUG_SHOW_INFO) { 7366 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7367 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7368 Log.v(TAG, " Class=" + s.info.name); 7369 } 7370 final int NI = s.intents.size(); 7371 int j; 7372 for (j=0; j<NI; j++) { 7373 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7374 if (DEBUG_SHOW_INFO) { 7375 Log.v(TAG, " IntentFilter:"); 7376 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7377 } 7378 removeFilter(intent); 7379 } 7380 } 7381 7382 @Override 7383 protected boolean allowFilterResult( 7384 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7385 ServiceInfo filterSi = filter.service.info; 7386 for (int i=dest.size()-1; i>=0; i--) { 7387 ServiceInfo destAi = dest.get(i).serviceInfo; 7388 if (destAi.name == filterSi.name 7389 && destAi.packageName == filterSi.packageName) { 7390 return false; 7391 } 7392 } 7393 return true; 7394 } 7395 7396 @Override 7397 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7398 return new PackageParser.ServiceIntentInfo[size]; 7399 } 7400 7401 @Override 7402 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7403 if (!sUserManager.exists(userId)) return true; 7404 PackageParser.Package p = filter.service.owner; 7405 if (p != null) { 7406 PackageSetting ps = (PackageSetting)p.mExtras; 7407 if (ps != null) { 7408 // System apps are never considered stopped for purposes of 7409 // filtering, because there may be no way for the user to 7410 // actually re-launch them. 7411 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7412 && ps.getStopped(userId); 7413 } 7414 } 7415 return false; 7416 } 7417 7418 @Override 7419 protected boolean isPackageForFilter(String packageName, 7420 PackageParser.ServiceIntentInfo info) { 7421 return packageName.equals(info.service.owner.packageName); 7422 } 7423 7424 @Override 7425 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7426 int match, int userId) { 7427 if (!sUserManager.exists(userId)) return null; 7428 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7429 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7430 return null; 7431 } 7432 final PackageParser.Service service = info.service; 7433 if (mSafeMode && (service.info.applicationInfo.flags 7434 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7435 return null; 7436 } 7437 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7438 if (ps == null) { 7439 return null; 7440 } 7441 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7442 ps.readUserState(userId), userId); 7443 if (si == null) { 7444 return null; 7445 } 7446 final ResolveInfo res = new ResolveInfo(); 7447 res.serviceInfo = si; 7448 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7449 res.filter = filter; 7450 } 7451 res.priority = info.getPriority(); 7452 res.preferredOrder = service.owner.mPreferredOrder; 7453 //System.out.println("Result: " + res.activityInfo.className + 7454 // " = " + res.priority); 7455 res.match = match; 7456 res.isDefault = info.hasDefault; 7457 res.labelRes = info.labelRes; 7458 res.nonLocalizedLabel = info.nonLocalizedLabel; 7459 res.icon = info.icon; 7460 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 7461 return res; 7462 } 7463 7464 @Override 7465 protected void sortResults(List<ResolveInfo> results) { 7466 Collections.sort(results, mResolvePrioritySorter); 7467 } 7468 7469 @Override 7470 protected void dumpFilter(PrintWriter out, String prefix, 7471 PackageParser.ServiceIntentInfo filter) { 7472 out.print(prefix); out.print( 7473 Integer.toHexString(System.identityHashCode(filter.service))); 7474 out.print(' '); 7475 filter.service.printComponentShortName(out); 7476 out.print(" filter "); 7477 out.println(Integer.toHexString(System.identityHashCode(filter))); 7478 } 7479 7480 @Override 7481 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7482 return filter.service; 7483 } 7484 7485 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7486 PackageParser.Service service = (PackageParser.Service)label; 7487 out.print(prefix); out.print( 7488 Integer.toHexString(System.identityHashCode(service))); 7489 out.print(' '); 7490 service.printComponentShortName(out); 7491 if (count > 1) { 7492 out.print(" ("); out.print(count); out.print(" filters)"); 7493 } 7494 out.println(); 7495 } 7496 7497// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7498// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7499// final List<ResolveInfo> retList = Lists.newArrayList(); 7500// while (i.hasNext()) { 7501// final ResolveInfo resolveInfo = (ResolveInfo) i; 7502// if (isEnabledLP(resolveInfo.serviceInfo)) { 7503// retList.add(resolveInfo); 7504// } 7505// } 7506// return retList; 7507// } 7508 7509 // Keys are String (activity class name), values are Activity. 7510 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7511 = new ArrayMap<ComponentName, PackageParser.Service>(); 7512 private int mFlags; 7513 }; 7514 7515 private final class ProviderIntentResolver 7516 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7517 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7518 boolean defaultOnly, int userId) { 7519 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7520 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7521 } 7522 7523 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7524 int userId) { 7525 if (!sUserManager.exists(userId)) 7526 return null; 7527 mFlags = flags; 7528 return super.queryIntent(intent, resolvedType, 7529 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7530 } 7531 7532 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7533 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7534 if (!sUserManager.exists(userId)) 7535 return null; 7536 if (packageProviders == null) { 7537 return null; 7538 } 7539 mFlags = flags; 7540 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7541 final int N = packageProviders.size(); 7542 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7543 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7544 7545 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7546 for (int i = 0; i < N; ++i) { 7547 intentFilters = packageProviders.get(i).intents; 7548 if (intentFilters != null && intentFilters.size() > 0) { 7549 PackageParser.ProviderIntentInfo[] array = 7550 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7551 intentFilters.toArray(array); 7552 listCut.add(array); 7553 } 7554 } 7555 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7556 } 7557 7558 public final void addProvider(PackageParser.Provider p) { 7559 if (mProviders.containsKey(p.getComponentName())) { 7560 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7561 return; 7562 } 7563 7564 mProviders.put(p.getComponentName(), p); 7565 if (DEBUG_SHOW_INFO) { 7566 Log.v(TAG, " " 7567 + (p.info.nonLocalizedLabel != null 7568 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7569 Log.v(TAG, " Class=" + p.info.name); 7570 } 7571 final int NI = p.intents.size(); 7572 int j; 7573 for (j = 0; j < NI; j++) { 7574 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7575 if (DEBUG_SHOW_INFO) { 7576 Log.v(TAG, " IntentFilter:"); 7577 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7578 } 7579 if (!intent.debugCheck()) { 7580 Log.w(TAG, "==> For Provider " + p.info.name); 7581 } 7582 addFilter(intent); 7583 } 7584 } 7585 7586 public final void removeProvider(PackageParser.Provider p) { 7587 mProviders.remove(p.getComponentName()); 7588 if (DEBUG_SHOW_INFO) { 7589 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7590 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7591 Log.v(TAG, " Class=" + p.info.name); 7592 } 7593 final int NI = p.intents.size(); 7594 int j; 7595 for (j = 0; j < NI; j++) { 7596 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7597 if (DEBUG_SHOW_INFO) { 7598 Log.v(TAG, " IntentFilter:"); 7599 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7600 } 7601 removeFilter(intent); 7602 } 7603 } 7604 7605 @Override 7606 protected boolean allowFilterResult( 7607 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7608 ProviderInfo filterPi = filter.provider.info; 7609 for (int i = dest.size() - 1; i >= 0; i--) { 7610 ProviderInfo destPi = dest.get(i).providerInfo; 7611 if (destPi.name == filterPi.name 7612 && destPi.packageName == filterPi.packageName) { 7613 return false; 7614 } 7615 } 7616 return true; 7617 } 7618 7619 @Override 7620 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7621 return new PackageParser.ProviderIntentInfo[size]; 7622 } 7623 7624 @Override 7625 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7626 if (!sUserManager.exists(userId)) 7627 return true; 7628 PackageParser.Package p = filter.provider.owner; 7629 if (p != null) { 7630 PackageSetting ps = (PackageSetting) p.mExtras; 7631 if (ps != null) { 7632 // System apps are never considered stopped for purposes of 7633 // filtering, because there may be no way for the user to 7634 // actually re-launch them. 7635 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7636 && ps.getStopped(userId); 7637 } 7638 } 7639 return false; 7640 } 7641 7642 @Override 7643 protected boolean isPackageForFilter(String packageName, 7644 PackageParser.ProviderIntentInfo info) { 7645 return packageName.equals(info.provider.owner.packageName); 7646 } 7647 7648 @Override 7649 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7650 int match, int userId) { 7651 if (!sUserManager.exists(userId)) 7652 return null; 7653 final PackageParser.ProviderIntentInfo info = filter; 7654 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7655 return null; 7656 } 7657 final PackageParser.Provider provider = info.provider; 7658 if (mSafeMode && (provider.info.applicationInfo.flags 7659 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7660 return null; 7661 } 7662 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7663 if (ps == null) { 7664 return null; 7665 } 7666 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7667 ps.readUserState(userId), userId); 7668 if (pi == null) { 7669 return null; 7670 } 7671 final ResolveInfo res = new ResolveInfo(); 7672 res.providerInfo = pi; 7673 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7674 res.filter = filter; 7675 } 7676 res.priority = info.getPriority(); 7677 res.preferredOrder = provider.owner.mPreferredOrder; 7678 res.match = match; 7679 res.isDefault = info.hasDefault; 7680 res.labelRes = info.labelRes; 7681 res.nonLocalizedLabel = info.nonLocalizedLabel; 7682 res.icon = info.icon; 7683 res.system = res.providerInfo.applicationInfo.isSystemApp(); 7684 return res; 7685 } 7686 7687 @Override 7688 protected void sortResults(List<ResolveInfo> results) { 7689 Collections.sort(results, mResolvePrioritySorter); 7690 } 7691 7692 @Override 7693 protected void dumpFilter(PrintWriter out, String prefix, 7694 PackageParser.ProviderIntentInfo filter) { 7695 out.print(prefix); 7696 out.print( 7697 Integer.toHexString(System.identityHashCode(filter.provider))); 7698 out.print(' '); 7699 filter.provider.printComponentShortName(out); 7700 out.print(" filter "); 7701 out.println(Integer.toHexString(System.identityHashCode(filter))); 7702 } 7703 7704 @Override 7705 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7706 return filter.provider; 7707 } 7708 7709 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7710 PackageParser.Provider provider = (PackageParser.Provider)label; 7711 out.print(prefix); out.print( 7712 Integer.toHexString(System.identityHashCode(provider))); 7713 out.print(' '); 7714 provider.printComponentShortName(out); 7715 if (count > 1) { 7716 out.print(" ("); out.print(count); out.print(" filters)"); 7717 } 7718 out.println(); 7719 } 7720 7721 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7722 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7723 private int mFlags; 7724 }; 7725 7726 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7727 new Comparator<ResolveInfo>() { 7728 public int compare(ResolveInfo r1, ResolveInfo r2) { 7729 int v1 = r1.priority; 7730 int v2 = r2.priority; 7731 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7732 if (v1 != v2) { 7733 return (v1 > v2) ? -1 : 1; 7734 } 7735 v1 = r1.preferredOrder; 7736 v2 = r2.preferredOrder; 7737 if (v1 != v2) { 7738 return (v1 > v2) ? -1 : 1; 7739 } 7740 if (r1.isDefault != r2.isDefault) { 7741 return r1.isDefault ? -1 : 1; 7742 } 7743 v1 = r1.match; 7744 v2 = r2.match; 7745 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7746 if (v1 != v2) { 7747 return (v1 > v2) ? -1 : 1; 7748 } 7749 if (r1.system != r2.system) { 7750 return r1.system ? -1 : 1; 7751 } 7752 return 0; 7753 } 7754 }; 7755 7756 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7757 new Comparator<ProviderInfo>() { 7758 public int compare(ProviderInfo p1, ProviderInfo p2) { 7759 final int v1 = p1.initOrder; 7760 final int v2 = p2.initOrder; 7761 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7762 } 7763 }; 7764 7765 static final void sendPackageBroadcast(String action, String pkg, 7766 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7767 int[] userIds) { 7768 IActivityManager am = ActivityManagerNative.getDefault(); 7769 if (am != null) { 7770 try { 7771 if (userIds == null) { 7772 userIds = am.getRunningUserIds(); 7773 } 7774 for (int id : userIds) { 7775 final Intent intent = new Intent(action, 7776 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7777 if (extras != null) { 7778 intent.putExtras(extras); 7779 } 7780 if (targetPkg != null) { 7781 intent.setPackage(targetPkg); 7782 } 7783 // Modify the UID when posting to other users 7784 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7785 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7786 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7787 intent.putExtra(Intent.EXTRA_UID, uid); 7788 } 7789 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7790 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7791 if (DEBUG_BROADCASTS) { 7792 RuntimeException here = new RuntimeException("here"); 7793 here.fillInStackTrace(); 7794 Slog.d(TAG, "Sending to user " + id + ": " 7795 + intent.toShortString(false, true, false, false) 7796 + " " + intent.getExtras(), here); 7797 } 7798 am.broadcastIntent(null, intent, null, finishedReceiver, 7799 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7800 finishedReceiver != null, false, id); 7801 } 7802 } catch (RemoteException ex) { 7803 } 7804 } 7805 } 7806 7807 /** 7808 * Check if the external storage media is available. This is true if there 7809 * is a mounted external storage medium or if the external storage is 7810 * emulated. 7811 */ 7812 private boolean isExternalMediaAvailable() { 7813 return mMediaMounted || Environment.isExternalStorageEmulated(); 7814 } 7815 7816 @Override 7817 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7818 // writer 7819 synchronized (mPackages) { 7820 if (!isExternalMediaAvailable()) { 7821 // If the external storage is no longer mounted at this point, 7822 // the caller may not have been able to delete all of this 7823 // packages files and can not delete any more. Bail. 7824 return null; 7825 } 7826 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7827 if (lastPackage != null) { 7828 pkgs.remove(lastPackage); 7829 } 7830 if (pkgs.size() > 0) { 7831 return pkgs.get(0); 7832 } 7833 } 7834 return null; 7835 } 7836 7837 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7838 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7839 userId, andCode ? 1 : 0, packageName); 7840 if (mSystemReady) { 7841 msg.sendToTarget(); 7842 } else { 7843 if (mPostSystemReadyMessages == null) { 7844 mPostSystemReadyMessages = new ArrayList<>(); 7845 } 7846 mPostSystemReadyMessages.add(msg); 7847 } 7848 } 7849 7850 void startCleaningPackages() { 7851 // reader 7852 synchronized (mPackages) { 7853 if (!isExternalMediaAvailable()) { 7854 return; 7855 } 7856 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7857 return; 7858 } 7859 } 7860 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7861 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7862 IActivityManager am = ActivityManagerNative.getDefault(); 7863 if (am != null) { 7864 try { 7865 am.startService(null, intent, null, UserHandle.USER_OWNER); 7866 } catch (RemoteException e) { 7867 } 7868 } 7869 } 7870 7871 @Override 7872 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7873 int installFlags, String installerPackageName, VerificationParams verificationParams, 7874 String packageAbiOverride) { 7875 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7876 packageAbiOverride, UserHandle.getCallingUserId()); 7877 } 7878 7879 @Override 7880 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7881 int installFlags, String installerPackageName, VerificationParams verificationParams, 7882 String packageAbiOverride, int userId) { 7883 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7884 7885 final int callingUid = Binder.getCallingUid(); 7886 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7887 7888 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7889 try { 7890 if (observer != null) { 7891 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7892 } 7893 } catch (RemoteException re) { 7894 } 7895 return; 7896 } 7897 7898 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7899 installFlags |= PackageManager.INSTALL_FROM_ADB; 7900 7901 } else { 7902 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7903 // about installerPackageName. 7904 7905 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7906 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7907 } 7908 7909 UserHandle user; 7910 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7911 user = UserHandle.ALL; 7912 } else { 7913 user = new UserHandle(userId); 7914 } 7915 7916 verificationParams.setInstallerUid(callingUid); 7917 7918 final File originFile = new File(originPath); 7919 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7920 7921 final Message msg = mHandler.obtainMessage(INIT_COPY); 7922 msg.obj = new InstallParams(origin, observer, installFlags, 7923 installerPackageName, verificationParams, user, packageAbiOverride); 7924 mHandler.sendMessage(msg); 7925 } 7926 7927 void installStage(String packageName, File stagedDir, String stagedCid, 7928 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7929 String installerPackageName, int installerUid, UserHandle user) { 7930 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7931 params.referrerUri, installerUid, null); 7932 7933 final OriginInfo origin; 7934 if (stagedDir != null) { 7935 origin = OriginInfo.fromStagedFile(stagedDir); 7936 } else { 7937 origin = OriginInfo.fromStagedContainer(stagedCid); 7938 } 7939 7940 final Message msg = mHandler.obtainMessage(INIT_COPY); 7941 msg.obj = new InstallParams(origin, observer, params.installFlags, 7942 installerPackageName, verifParams, user, params.abiOverride); 7943 mHandler.sendMessage(msg); 7944 } 7945 7946 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7947 Bundle extras = new Bundle(1); 7948 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7949 7950 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7951 packageName, extras, null, null, new int[] {userId}); 7952 try { 7953 IActivityManager am = ActivityManagerNative.getDefault(); 7954 final boolean isSystem = 7955 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7956 if (isSystem && am.isUserRunning(userId, false)) { 7957 // The just-installed/enabled app is bundled on the system, so presumed 7958 // to be able to run automatically without needing an explicit launch. 7959 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7960 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7961 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7962 .setPackage(packageName); 7963 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7964 android.app.AppOpsManager.OP_NONE, false, false, userId); 7965 } 7966 } catch (RemoteException e) { 7967 // shouldn't happen 7968 Slog.w(TAG, "Unable to bootstrap installed package", e); 7969 } 7970 } 7971 7972 @Override 7973 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7974 int userId) { 7975 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7976 PackageSetting pkgSetting; 7977 final int uid = Binder.getCallingUid(); 7978 enforceCrossUserPermission(uid, userId, true, true, 7979 "setApplicationHiddenSetting for user " + userId); 7980 7981 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7982 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7983 return false; 7984 } 7985 7986 long callingId = Binder.clearCallingIdentity(); 7987 try { 7988 boolean sendAdded = false; 7989 boolean sendRemoved = false; 7990 // writer 7991 synchronized (mPackages) { 7992 pkgSetting = mSettings.mPackages.get(packageName); 7993 if (pkgSetting == null) { 7994 return false; 7995 } 7996 if (pkgSetting.getHidden(userId) != hidden) { 7997 pkgSetting.setHidden(hidden, userId); 7998 mSettings.writePackageRestrictionsLPr(userId); 7999 if (hidden) { 8000 sendRemoved = true; 8001 } else { 8002 sendAdded = true; 8003 } 8004 } 8005 } 8006 if (sendAdded) { 8007 sendPackageAddedForUser(packageName, pkgSetting, userId); 8008 return true; 8009 } 8010 if (sendRemoved) { 8011 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8012 "hiding pkg"); 8013 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8014 } 8015 } finally { 8016 Binder.restoreCallingIdentity(callingId); 8017 } 8018 return false; 8019 } 8020 8021 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8022 int userId) { 8023 final PackageRemovedInfo info = new PackageRemovedInfo(); 8024 info.removedPackage = packageName; 8025 info.removedUsers = new int[] {userId}; 8026 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8027 info.sendBroadcast(false, false, false); 8028 } 8029 8030 /** 8031 * Returns true if application is not found or there was an error. Otherwise it returns 8032 * the hidden state of the package for the given user. 8033 */ 8034 @Override 8035 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8036 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8037 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8038 false, "getApplicationHidden for user " + userId); 8039 PackageSetting pkgSetting; 8040 long callingId = Binder.clearCallingIdentity(); 8041 try { 8042 // writer 8043 synchronized (mPackages) { 8044 pkgSetting = mSettings.mPackages.get(packageName); 8045 if (pkgSetting == null) { 8046 return true; 8047 } 8048 return pkgSetting.getHidden(userId); 8049 } 8050 } finally { 8051 Binder.restoreCallingIdentity(callingId); 8052 } 8053 } 8054 8055 /** 8056 * @hide 8057 */ 8058 @Override 8059 public int installExistingPackageAsUser(String packageName, int userId) { 8060 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8061 null); 8062 PackageSetting pkgSetting; 8063 final int uid = Binder.getCallingUid(); 8064 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8065 + userId); 8066 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8067 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8068 } 8069 8070 long callingId = Binder.clearCallingIdentity(); 8071 try { 8072 boolean sendAdded = false; 8073 Bundle extras = new Bundle(1); 8074 8075 // writer 8076 synchronized (mPackages) { 8077 pkgSetting = mSettings.mPackages.get(packageName); 8078 if (pkgSetting == null) { 8079 return PackageManager.INSTALL_FAILED_INVALID_URI; 8080 } 8081 if (!pkgSetting.getInstalled(userId)) { 8082 pkgSetting.setInstalled(true, userId); 8083 pkgSetting.setHidden(false, userId); 8084 mSettings.writePackageRestrictionsLPr(userId); 8085 sendAdded = true; 8086 } 8087 } 8088 8089 if (sendAdded) { 8090 sendPackageAddedForUser(packageName, pkgSetting, userId); 8091 } 8092 } finally { 8093 Binder.restoreCallingIdentity(callingId); 8094 } 8095 8096 return PackageManager.INSTALL_SUCCEEDED; 8097 } 8098 8099 boolean isUserRestricted(int userId, String restrictionKey) { 8100 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8101 if (restrictions.getBoolean(restrictionKey, false)) { 8102 Log.w(TAG, "User is restricted: " + restrictionKey); 8103 return true; 8104 } 8105 return false; 8106 } 8107 8108 @Override 8109 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8110 mContext.enforceCallingOrSelfPermission( 8111 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8112 "Only package verification agents can verify applications"); 8113 8114 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8115 final PackageVerificationResponse response = new PackageVerificationResponse( 8116 verificationCode, Binder.getCallingUid()); 8117 msg.arg1 = id; 8118 msg.obj = response; 8119 mHandler.sendMessage(msg); 8120 } 8121 8122 @Override 8123 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8124 long millisecondsToDelay) { 8125 mContext.enforceCallingOrSelfPermission( 8126 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8127 "Only package verification agents can extend verification timeouts"); 8128 8129 final PackageVerificationState state = mPendingVerification.get(id); 8130 final PackageVerificationResponse response = new PackageVerificationResponse( 8131 verificationCodeAtTimeout, Binder.getCallingUid()); 8132 8133 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8134 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8135 } 8136 if (millisecondsToDelay < 0) { 8137 millisecondsToDelay = 0; 8138 } 8139 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8140 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8141 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8142 } 8143 8144 if ((state != null) && !state.timeoutExtended()) { 8145 state.extendTimeout(); 8146 8147 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8148 msg.arg1 = id; 8149 msg.obj = response; 8150 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8151 } 8152 } 8153 8154 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8155 int verificationCode, UserHandle user) { 8156 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8157 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8158 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8159 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8160 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8161 8162 mContext.sendBroadcastAsUser(intent, user, 8163 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8164 } 8165 8166 private ComponentName matchComponentForVerifier(String packageName, 8167 List<ResolveInfo> receivers) { 8168 ActivityInfo targetReceiver = null; 8169 8170 final int NR = receivers.size(); 8171 for (int i = 0; i < NR; i++) { 8172 final ResolveInfo info = receivers.get(i); 8173 if (info.activityInfo == null) { 8174 continue; 8175 } 8176 8177 if (packageName.equals(info.activityInfo.packageName)) { 8178 targetReceiver = info.activityInfo; 8179 break; 8180 } 8181 } 8182 8183 if (targetReceiver == null) { 8184 return null; 8185 } 8186 8187 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8188 } 8189 8190 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8191 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8192 if (pkgInfo.verifiers.length == 0) { 8193 return null; 8194 } 8195 8196 final int N = pkgInfo.verifiers.length; 8197 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8198 for (int i = 0; i < N; i++) { 8199 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8200 8201 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8202 receivers); 8203 if (comp == null) { 8204 continue; 8205 } 8206 8207 final int verifierUid = getUidForVerifier(verifierInfo); 8208 if (verifierUid == -1) { 8209 continue; 8210 } 8211 8212 if (DEBUG_VERIFY) { 8213 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8214 + " with the correct signature"); 8215 } 8216 sufficientVerifiers.add(comp); 8217 verificationState.addSufficientVerifier(verifierUid); 8218 } 8219 8220 return sufficientVerifiers; 8221 } 8222 8223 private int getUidForVerifier(VerifierInfo verifierInfo) { 8224 synchronized (mPackages) { 8225 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8226 if (pkg == null) { 8227 return -1; 8228 } else if (pkg.mSignatures.length != 1) { 8229 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8230 + " has more than one signature; ignoring"); 8231 return -1; 8232 } 8233 8234 /* 8235 * If the public key of the package's signature does not match 8236 * our expected public key, then this is a different package and 8237 * we should skip. 8238 */ 8239 8240 final byte[] expectedPublicKey; 8241 try { 8242 final Signature verifierSig = pkg.mSignatures[0]; 8243 final PublicKey publicKey = verifierSig.getPublicKey(); 8244 expectedPublicKey = publicKey.getEncoded(); 8245 } catch (CertificateException e) { 8246 return -1; 8247 } 8248 8249 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8250 8251 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8252 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8253 + " does not have the expected public key; ignoring"); 8254 return -1; 8255 } 8256 8257 return pkg.applicationInfo.uid; 8258 } 8259 } 8260 8261 @Override 8262 public void finishPackageInstall(int token) { 8263 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8264 8265 if (DEBUG_INSTALL) { 8266 Slog.v(TAG, "BM finishing package install for " + token); 8267 } 8268 8269 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8270 mHandler.sendMessage(msg); 8271 } 8272 8273 /** 8274 * Get the verification agent timeout. 8275 * 8276 * @return verification timeout in milliseconds 8277 */ 8278 private long getVerificationTimeout() { 8279 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8280 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8281 DEFAULT_VERIFICATION_TIMEOUT); 8282 } 8283 8284 /** 8285 * Get the default verification agent response code. 8286 * 8287 * @return default verification response code 8288 */ 8289 private int getDefaultVerificationResponse() { 8290 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8291 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8292 DEFAULT_VERIFICATION_RESPONSE); 8293 } 8294 8295 /** 8296 * Check whether or not package verification has been enabled. 8297 * 8298 * @return true if verification should be performed 8299 */ 8300 private boolean isVerificationEnabled(int userId, int installFlags) { 8301 if (!DEFAULT_VERIFY_ENABLE) { 8302 return false; 8303 } 8304 8305 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8306 8307 // Check if installing from ADB 8308 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8309 // Do not run verification in a test harness environment 8310 if (ActivityManager.isRunningInTestHarness()) { 8311 return false; 8312 } 8313 if (ensureVerifyAppsEnabled) { 8314 return true; 8315 } 8316 // Check if the developer does not want package verification for ADB installs 8317 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8318 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8319 return false; 8320 } 8321 } 8322 8323 if (ensureVerifyAppsEnabled) { 8324 return true; 8325 } 8326 8327 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8328 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8329 } 8330 8331 /** 8332 * Get the "allow unknown sources" setting. 8333 * 8334 * @return the current "allow unknown sources" setting 8335 */ 8336 private int getUnknownSourcesSettings() { 8337 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8338 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8339 -1); 8340 } 8341 8342 @Override 8343 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8344 final int uid = Binder.getCallingUid(); 8345 // writer 8346 synchronized (mPackages) { 8347 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8348 if (targetPackageSetting == null) { 8349 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8350 } 8351 8352 PackageSetting installerPackageSetting; 8353 if (installerPackageName != null) { 8354 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8355 if (installerPackageSetting == null) { 8356 throw new IllegalArgumentException("Unknown installer package: " 8357 + installerPackageName); 8358 } 8359 } else { 8360 installerPackageSetting = null; 8361 } 8362 8363 Signature[] callerSignature; 8364 Object obj = mSettings.getUserIdLPr(uid); 8365 if (obj != null) { 8366 if (obj instanceof SharedUserSetting) { 8367 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8368 } else if (obj instanceof PackageSetting) { 8369 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8370 } else { 8371 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8372 } 8373 } else { 8374 throw new SecurityException("Unknown calling uid " + uid); 8375 } 8376 8377 // Verify: can't set installerPackageName to a package that is 8378 // not signed with the same cert as the caller. 8379 if (installerPackageSetting != null) { 8380 if (compareSignatures(callerSignature, 8381 installerPackageSetting.signatures.mSignatures) 8382 != PackageManager.SIGNATURE_MATCH) { 8383 throw new SecurityException( 8384 "Caller does not have same cert as new installer package " 8385 + installerPackageName); 8386 } 8387 } 8388 8389 // Verify: if target already has an installer package, it must 8390 // be signed with the same cert as the caller. 8391 if (targetPackageSetting.installerPackageName != null) { 8392 PackageSetting setting = mSettings.mPackages.get( 8393 targetPackageSetting.installerPackageName); 8394 // If the currently set package isn't valid, then it's always 8395 // okay to change it. 8396 if (setting != null) { 8397 if (compareSignatures(callerSignature, 8398 setting.signatures.mSignatures) 8399 != PackageManager.SIGNATURE_MATCH) { 8400 throw new SecurityException( 8401 "Caller does not have same cert as old installer package " 8402 + targetPackageSetting.installerPackageName); 8403 } 8404 } 8405 } 8406 8407 // Okay! 8408 targetPackageSetting.installerPackageName = installerPackageName; 8409 scheduleWriteSettingsLocked(); 8410 } 8411 } 8412 8413 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8414 // Queue up an async operation since the package installation may take a little while. 8415 mHandler.post(new Runnable() { 8416 public void run() { 8417 mHandler.removeCallbacks(this); 8418 // Result object to be returned 8419 PackageInstalledInfo res = new PackageInstalledInfo(); 8420 res.returnCode = currentStatus; 8421 res.uid = -1; 8422 res.pkg = null; 8423 res.removedInfo = new PackageRemovedInfo(); 8424 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8425 args.doPreInstall(res.returnCode); 8426 synchronized (mInstallLock) { 8427 installPackageLI(args, res); 8428 } 8429 args.doPostInstall(res.returnCode, res.uid); 8430 } 8431 8432 // A restore should be performed at this point if (a) the install 8433 // succeeded, (b) the operation is not an update, and (c) the new 8434 // package has not opted out of backup participation. 8435 final boolean update = res.removedInfo.removedPackage != null; 8436 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8437 boolean doRestore = !update 8438 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8439 8440 // Set up the post-install work request bookkeeping. This will be used 8441 // and cleaned up by the post-install event handling regardless of whether 8442 // there's a restore pass performed. Token values are >= 1. 8443 int token; 8444 if (mNextInstallToken < 0) mNextInstallToken = 1; 8445 token = mNextInstallToken++; 8446 8447 PostInstallData data = new PostInstallData(args, res); 8448 mRunningInstalls.put(token, data); 8449 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8450 8451 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8452 // Pass responsibility to the Backup Manager. It will perform a 8453 // restore if appropriate, then pass responsibility back to the 8454 // Package Manager to run the post-install observer callbacks 8455 // and broadcasts. 8456 IBackupManager bm = IBackupManager.Stub.asInterface( 8457 ServiceManager.getService(Context.BACKUP_SERVICE)); 8458 if (bm != null) { 8459 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8460 + " to BM for possible restore"); 8461 try { 8462 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8463 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8464 } else { 8465 doRestore = false; 8466 } 8467 } catch (RemoteException e) { 8468 // can't happen; the backup manager is local 8469 } catch (Exception e) { 8470 Slog.e(TAG, "Exception trying to enqueue restore", e); 8471 doRestore = false; 8472 } 8473 } else { 8474 Slog.e(TAG, "Backup Manager not found!"); 8475 doRestore = false; 8476 } 8477 } 8478 8479 if (!doRestore) { 8480 // No restore possible, or the Backup Manager was mysteriously not 8481 // available -- just fire the post-install work request directly. 8482 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8483 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8484 mHandler.sendMessage(msg); 8485 } 8486 } 8487 }); 8488 } 8489 8490 private abstract class HandlerParams { 8491 private static final int MAX_RETRIES = 4; 8492 8493 /** 8494 * Number of times startCopy() has been attempted and had a non-fatal 8495 * error. 8496 */ 8497 private int mRetries = 0; 8498 8499 /** User handle for the user requesting the information or installation. */ 8500 private final UserHandle mUser; 8501 8502 HandlerParams(UserHandle user) { 8503 mUser = user; 8504 } 8505 8506 UserHandle getUser() { 8507 return mUser; 8508 } 8509 8510 final boolean startCopy() { 8511 boolean res; 8512 try { 8513 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8514 8515 if (++mRetries > MAX_RETRIES) { 8516 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8517 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8518 handleServiceError(); 8519 return false; 8520 } else { 8521 handleStartCopy(); 8522 res = true; 8523 } 8524 } catch (RemoteException e) { 8525 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8526 mHandler.sendEmptyMessage(MCS_RECONNECT); 8527 res = false; 8528 } 8529 handleReturnCode(); 8530 return res; 8531 } 8532 8533 final void serviceError() { 8534 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8535 handleServiceError(); 8536 handleReturnCode(); 8537 } 8538 8539 abstract void handleStartCopy() throws RemoteException; 8540 abstract void handleServiceError(); 8541 abstract void handleReturnCode(); 8542 } 8543 8544 class MeasureParams extends HandlerParams { 8545 private final PackageStats mStats; 8546 private boolean mSuccess; 8547 8548 private final IPackageStatsObserver mObserver; 8549 8550 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8551 super(new UserHandle(stats.userHandle)); 8552 mObserver = observer; 8553 mStats = stats; 8554 } 8555 8556 @Override 8557 public String toString() { 8558 return "MeasureParams{" 8559 + Integer.toHexString(System.identityHashCode(this)) 8560 + " " + mStats.packageName + "}"; 8561 } 8562 8563 @Override 8564 void handleStartCopy() throws RemoteException { 8565 synchronized (mInstallLock) { 8566 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8567 } 8568 8569 if (mSuccess) { 8570 final boolean mounted; 8571 if (Environment.isExternalStorageEmulated()) { 8572 mounted = true; 8573 } else { 8574 final String status = Environment.getExternalStorageState(); 8575 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8576 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8577 } 8578 8579 if (mounted) { 8580 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8581 8582 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8583 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8584 8585 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8586 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8587 8588 // Always subtract cache size, since it's a subdirectory 8589 mStats.externalDataSize -= mStats.externalCacheSize; 8590 8591 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8592 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8593 8594 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8595 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8596 } 8597 } 8598 } 8599 8600 @Override 8601 void handleReturnCode() { 8602 if (mObserver != null) { 8603 try { 8604 mObserver.onGetStatsCompleted(mStats, mSuccess); 8605 } catch (RemoteException e) { 8606 Slog.i(TAG, "Observer no longer exists."); 8607 } 8608 } 8609 } 8610 8611 @Override 8612 void handleServiceError() { 8613 Slog.e(TAG, "Could not measure application " + mStats.packageName 8614 + " external storage"); 8615 } 8616 } 8617 8618 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8619 throws RemoteException { 8620 long result = 0; 8621 for (File path : paths) { 8622 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8623 } 8624 return result; 8625 } 8626 8627 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8628 for (File path : paths) { 8629 try { 8630 mcs.clearDirectory(path.getAbsolutePath()); 8631 } catch (RemoteException e) { 8632 } 8633 } 8634 } 8635 8636 static class OriginInfo { 8637 /** 8638 * Location where install is coming from, before it has been 8639 * copied/renamed into place. This could be a single monolithic APK 8640 * file, or a cluster directory. This location may be untrusted. 8641 */ 8642 final File file; 8643 final String cid; 8644 8645 /** 8646 * Flag indicating that {@link #file} or {@link #cid} has already been 8647 * staged, meaning downstream users don't need to defensively copy the 8648 * contents. 8649 */ 8650 final boolean staged; 8651 8652 /** 8653 * Flag indicating that {@link #file} or {@link #cid} is an already 8654 * installed app that is being moved. 8655 */ 8656 final boolean existing; 8657 8658 final String resolvedPath; 8659 final File resolvedFile; 8660 8661 static OriginInfo fromNothing() { 8662 return new OriginInfo(null, null, false, false); 8663 } 8664 8665 static OriginInfo fromUntrustedFile(File file) { 8666 return new OriginInfo(file, null, false, false); 8667 } 8668 8669 static OriginInfo fromExistingFile(File file) { 8670 return new OriginInfo(file, null, false, true); 8671 } 8672 8673 static OriginInfo fromStagedFile(File file) { 8674 return new OriginInfo(file, null, true, false); 8675 } 8676 8677 static OriginInfo fromStagedContainer(String cid) { 8678 return new OriginInfo(null, cid, true, false); 8679 } 8680 8681 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8682 this.file = file; 8683 this.cid = cid; 8684 this.staged = staged; 8685 this.existing = existing; 8686 8687 if (cid != null) { 8688 resolvedPath = PackageHelper.getSdDir(cid); 8689 resolvedFile = new File(resolvedPath); 8690 } else if (file != null) { 8691 resolvedPath = file.getAbsolutePath(); 8692 resolvedFile = file; 8693 } else { 8694 resolvedPath = null; 8695 resolvedFile = null; 8696 } 8697 } 8698 } 8699 8700 class InstallParams extends HandlerParams { 8701 final OriginInfo origin; 8702 final IPackageInstallObserver2 observer; 8703 int installFlags; 8704 final String installerPackageName; 8705 final VerificationParams verificationParams; 8706 private InstallArgs mArgs; 8707 private int mRet; 8708 final String packageAbiOverride; 8709 8710 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8711 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8712 String packageAbiOverride) { 8713 super(user); 8714 this.origin = origin; 8715 this.observer = observer; 8716 this.installFlags = installFlags; 8717 this.installerPackageName = installerPackageName; 8718 this.verificationParams = verificationParams; 8719 this.packageAbiOverride = packageAbiOverride; 8720 } 8721 8722 @Override 8723 public String toString() { 8724 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8725 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8726 } 8727 8728 public ManifestDigest getManifestDigest() { 8729 if (verificationParams == null) { 8730 return null; 8731 } 8732 return verificationParams.getManifestDigest(); 8733 } 8734 8735 private int installLocationPolicy(PackageInfoLite pkgLite) { 8736 String packageName = pkgLite.packageName; 8737 int installLocation = pkgLite.installLocation; 8738 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8739 // reader 8740 synchronized (mPackages) { 8741 PackageParser.Package pkg = mPackages.get(packageName); 8742 if (pkg != null) { 8743 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8744 // Check for downgrading. 8745 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8746 try { 8747 checkDowngrade(pkg, pkgLite); 8748 } catch (PackageManagerException e) { 8749 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8750 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8751 } 8752 } 8753 // Check for updated system application. 8754 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8755 if (onSd) { 8756 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8757 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8758 } 8759 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8760 } else { 8761 if (onSd) { 8762 // Install flag overrides everything. 8763 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8764 } 8765 // If current upgrade specifies particular preference 8766 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8767 // Application explicitly specified internal. 8768 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8769 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8770 // App explictly prefers external. Let policy decide 8771 } else { 8772 // Prefer previous location 8773 if (isExternal(pkg)) { 8774 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8775 } 8776 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8777 } 8778 } 8779 } else { 8780 // Invalid install. Return error code 8781 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8782 } 8783 } 8784 } 8785 // All the special cases have been taken care of. 8786 // Return result based on recommended install location. 8787 if (onSd) { 8788 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8789 } 8790 return pkgLite.recommendedInstallLocation; 8791 } 8792 8793 /* 8794 * Invoke remote method to get package information and install 8795 * location values. Override install location based on default 8796 * policy if needed and then create install arguments based 8797 * on the install location. 8798 */ 8799 public void handleStartCopy() throws RemoteException { 8800 int ret = PackageManager.INSTALL_SUCCEEDED; 8801 8802 // If we're already staged, we've firmly committed to an install location 8803 if (origin.staged) { 8804 if (origin.file != null) { 8805 installFlags |= PackageManager.INSTALL_INTERNAL; 8806 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8807 } else if (origin.cid != null) { 8808 installFlags |= PackageManager.INSTALL_EXTERNAL; 8809 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8810 } else { 8811 throw new IllegalStateException("Invalid stage location"); 8812 } 8813 } 8814 8815 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8816 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8817 8818 PackageInfoLite pkgLite = null; 8819 8820 if (onInt && onSd) { 8821 // Check if both bits are set. 8822 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8823 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8824 } else { 8825 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8826 packageAbiOverride); 8827 8828 /* 8829 * If we have too little free space, try to free cache 8830 * before giving up. 8831 */ 8832 if (!origin.staged && pkgLite.recommendedInstallLocation 8833 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8834 // TODO: focus freeing disk space on the target device 8835 final StorageManager storage = StorageManager.from(mContext); 8836 final long lowThreshold = storage.getStorageLowBytes( 8837 Environment.getDataDirectory()); 8838 8839 final long sizeBytes = mContainerService.calculateInstalledSize( 8840 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8841 8842 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8843 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8844 installFlags, packageAbiOverride); 8845 } 8846 8847 /* 8848 * The cache free must have deleted the file we 8849 * downloaded to install. 8850 * 8851 * TODO: fix the "freeCache" call to not delete 8852 * the file we care about. 8853 */ 8854 if (pkgLite.recommendedInstallLocation 8855 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8856 pkgLite.recommendedInstallLocation 8857 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8858 } 8859 } 8860 } 8861 8862 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8863 int loc = pkgLite.recommendedInstallLocation; 8864 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8865 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8866 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8867 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8868 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8869 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8870 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8871 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8872 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8873 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8874 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8875 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8876 } else { 8877 // Override with defaults if needed. 8878 loc = installLocationPolicy(pkgLite); 8879 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8880 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8881 } else if (!onSd && !onInt) { 8882 // Override install location with flags 8883 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8884 // Set the flag to install on external media. 8885 installFlags |= PackageManager.INSTALL_EXTERNAL; 8886 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8887 } else { 8888 // Make sure the flag for installing on external 8889 // media is unset 8890 installFlags |= PackageManager.INSTALL_INTERNAL; 8891 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8892 } 8893 } 8894 } 8895 } 8896 8897 final InstallArgs args = createInstallArgs(this); 8898 mArgs = args; 8899 8900 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8901 /* 8902 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8903 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8904 */ 8905 int userIdentifier = getUser().getIdentifier(); 8906 if (userIdentifier == UserHandle.USER_ALL 8907 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8908 userIdentifier = UserHandle.USER_OWNER; 8909 } 8910 8911 /* 8912 * Determine if we have any installed package verifiers. If we 8913 * do, then we'll defer to them to verify the packages. 8914 */ 8915 final int requiredUid = mRequiredVerifierPackage == null ? -1 8916 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8917 if (!origin.existing && requiredUid != -1 8918 && isVerificationEnabled(userIdentifier, installFlags)) { 8919 final Intent verification = new Intent( 8920 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8921 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 8922 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8923 PACKAGE_MIME_TYPE); 8924 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8925 8926 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8927 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8928 0 /* TODO: Which userId? */); 8929 8930 if (DEBUG_VERIFY) { 8931 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8932 + verification.toString() + " with " + pkgLite.verifiers.length 8933 + " optional verifiers"); 8934 } 8935 8936 final int verificationId = mPendingVerificationToken++; 8937 8938 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8939 8940 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8941 installerPackageName); 8942 8943 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8944 installFlags); 8945 8946 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8947 pkgLite.packageName); 8948 8949 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8950 pkgLite.versionCode); 8951 8952 if (verificationParams != null) { 8953 if (verificationParams.getVerificationURI() != null) { 8954 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8955 verificationParams.getVerificationURI()); 8956 } 8957 if (verificationParams.getOriginatingURI() != null) { 8958 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8959 verificationParams.getOriginatingURI()); 8960 } 8961 if (verificationParams.getReferrer() != null) { 8962 verification.putExtra(Intent.EXTRA_REFERRER, 8963 verificationParams.getReferrer()); 8964 } 8965 if (verificationParams.getOriginatingUid() >= 0) { 8966 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8967 verificationParams.getOriginatingUid()); 8968 } 8969 if (verificationParams.getInstallerUid() >= 0) { 8970 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8971 verificationParams.getInstallerUid()); 8972 } 8973 } 8974 8975 final PackageVerificationState verificationState = new PackageVerificationState( 8976 requiredUid, args); 8977 8978 mPendingVerification.append(verificationId, verificationState); 8979 8980 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8981 receivers, verificationState); 8982 8983 /* 8984 * If any sufficient verifiers were listed in the package 8985 * manifest, attempt to ask them. 8986 */ 8987 if (sufficientVerifiers != null) { 8988 final int N = sufficientVerifiers.size(); 8989 if (N == 0) { 8990 Slog.i(TAG, "Additional verifiers required, but none installed."); 8991 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8992 } else { 8993 for (int i = 0; i < N; i++) { 8994 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8995 8996 final Intent sufficientIntent = new Intent(verification); 8997 sufficientIntent.setComponent(verifierComponent); 8998 8999 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9000 } 9001 } 9002 } 9003 9004 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9005 mRequiredVerifierPackage, receivers); 9006 if (ret == PackageManager.INSTALL_SUCCEEDED 9007 && mRequiredVerifierPackage != null) { 9008 /* 9009 * Send the intent to the required verification agent, 9010 * but only start the verification timeout after the 9011 * target BroadcastReceivers have run. 9012 */ 9013 verification.setComponent(requiredVerifierComponent); 9014 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9015 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9016 new BroadcastReceiver() { 9017 @Override 9018 public void onReceive(Context context, Intent intent) { 9019 final Message msg = mHandler 9020 .obtainMessage(CHECK_PENDING_VERIFICATION); 9021 msg.arg1 = verificationId; 9022 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9023 } 9024 }, null, 0, null, null); 9025 9026 /* 9027 * We don't want the copy to proceed until verification 9028 * succeeds, so null out this field. 9029 */ 9030 mArgs = null; 9031 } 9032 } else { 9033 /* 9034 * No package verification is enabled, so immediately start 9035 * the remote call to initiate copy using temporary file. 9036 */ 9037 ret = args.copyApk(mContainerService, true); 9038 } 9039 } 9040 9041 mRet = ret; 9042 } 9043 9044 @Override 9045 void handleReturnCode() { 9046 // If mArgs is null, then MCS couldn't be reached. When it 9047 // reconnects, it will try again to install. At that point, this 9048 // will succeed. 9049 if (mArgs != null) { 9050 processPendingInstall(mArgs, mRet); 9051 } 9052 } 9053 9054 @Override 9055 void handleServiceError() { 9056 mArgs = createInstallArgs(this); 9057 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9058 } 9059 9060 public boolean isForwardLocked() { 9061 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9062 } 9063 } 9064 9065 /** 9066 * Used during creation of InstallArgs 9067 * 9068 * @param installFlags package installation flags 9069 * @return true if should be installed on external storage 9070 */ 9071 private static boolean installOnSd(int installFlags) { 9072 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9073 return false; 9074 } 9075 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9076 return true; 9077 } 9078 return false; 9079 } 9080 9081 /** 9082 * Used during creation of InstallArgs 9083 * 9084 * @param installFlags package installation flags 9085 * @return true if should be installed as forward locked 9086 */ 9087 private static boolean installForwardLocked(int installFlags) { 9088 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9089 } 9090 9091 private InstallArgs createInstallArgs(InstallParams params) { 9092 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9093 return new AsecInstallArgs(params); 9094 } else { 9095 return new FileInstallArgs(params); 9096 } 9097 } 9098 9099 /** 9100 * Create args that describe an existing installed package. Typically used 9101 * when cleaning up old installs, or used as a move source. 9102 */ 9103 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9104 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9105 final boolean isInAsec; 9106 if (installOnSd(installFlags)) { 9107 /* Apps on SD card are always in ASEC containers. */ 9108 isInAsec = true; 9109 } else if (installForwardLocked(installFlags) 9110 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9111 /* 9112 * Forward-locked apps are only in ASEC containers if they're the 9113 * new style 9114 */ 9115 isInAsec = true; 9116 } else { 9117 isInAsec = false; 9118 } 9119 9120 if (isInAsec) { 9121 return new AsecInstallArgs(codePath, instructionSets, 9122 installOnSd(installFlags), installForwardLocked(installFlags)); 9123 } else { 9124 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9125 instructionSets); 9126 } 9127 } 9128 9129 static abstract class InstallArgs { 9130 /** @see InstallParams#origin */ 9131 final OriginInfo origin; 9132 9133 final IPackageInstallObserver2 observer; 9134 // Always refers to PackageManager flags only 9135 final int installFlags; 9136 final String installerPackageName; 9137 final ManifestDigest manifestDigest; 9138 final UserHandle user; 9139 final String abiOverride; 9140 9141 // The list of instruction sets supported by this app. This is currently 9142 // only used during the rmdex() phase to clean up resources. We can get rid of this 9143 // if we move dex files under the common app path. 9144 /* nullable */ String[] instructionSets; 9145 9146 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9147 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9148 String[] instructionSets, String abiOverride) { 9149 this.origin = origin; 9150 this.installFlags = installFlags; 9151 this.observer = observer; 9152 this.installerPackageName = installerPackageName; 9153 this.manifestDigest = manifestDigest; 9154 this.user = user; 9155 this.instructionSets = instructionSets; 9156 this.abiOverride = abiOverride; 9157 } 9158 9159 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9160 abstract int doPreInstall(int status); 9161 9162 /** 9163 * Rename package into final resting place. All paths on the given 9164 * scanned package should be updated to reflect the rename. 9165 */ 9166 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9167 abstract int doPostInstall(int status, int uid); 9168 9169 /** @see PackageSettingBase#codePathString */ 9170 abstract String getCodePath(); 9171 /** @see PackageSettingBase#resourcePathString */ 9172 abstract String getResourcePath(); 9173 abstract String getLegacyNativeLibraryPath(); 9174 9175 // Need installer lock especially for dex file removal. 9176 abstract void cleanUpResourcesLI(); 9177 abstract boolean doPostDeleteLI(boolean delete); 9178 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9179 9180 /** 9181 * Called before the source arguments are copied. This is used mostly 9182 * for MoveParams when it needs to read the source file to put it in the 9183 * destination. 9184 */ 9185 int doPreCopy() { 9186 return PackageManager.INSTALL_SUCCEEDED; 9187 } 9188 9189 /** 9190 * Called after the source arguments are copied. This is used mostly for 9191 * MoveParams when it needs to read the source file to put it in the 9192 * destination. 9193 * 9194 * @return 9195 */ 9196 int doPostCopy(int uid) { 9197 return PackageManager.INSTALL_SUCCEEDED; 9198 } 9199 9200 protected boolean isFwdLocked() { 9201 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9202 } 9203 9204 protected boolean isExternal() { 9205 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9206 } 9207 9208 UserHandle getUser() { 9209 return user; 9210 } 9211 } 9212 9213 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9214 if (!allCodePaths.isEmpty()) { 9215 if (instructionSets == null) { 9216 throw new IllegalStateException("instructionSet == null"); 9217 } 9218 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9219 for (String codePath : allCodePaths) { 9220 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9221 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9222 if (retCode < 0) { 9223 Slog.w(TAG, "Couldn't remove dex file for package: " 9224 + " at location " + codePath + ", retcode=" + retCode); 9225 // we don't consider this to be a failure of the core package deletion 9226 } 9227 } 9228 } 9229 } 9230 } 9231 9232 /** 9233 * Logic to handle installation of non-ASEC applications, including copying 9234 * and renaming logic. 9235 */ 9236 class FileInstallArgs extends InstallArgs { 9237 private File codeFile; 9238 private File resourceFile; 9239 private File legacyNativeLibraryPath; 9240 9241 // Example topology: 9242 // /data/app/com.example/base.apk 9243 // /data/app/com.example/split_foo.apk 9244 // /data/app/com.example/lib/arm/libfoo.so 9245 // /data/app/com.example/lib/arm64/libfoo.so 9246 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9247 9248 /** New install */ 9249 FileInstallArgs(InstallParams params) { 9250 super(params.origin, params.observer, params.installFlags, 9251 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9252 null /* instruction sets */, params.packageAbiOverride); 9253 if (isFwdLocked()) { 9254 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9255 } 9256 } 9257 9258 /** Existing install */ 9259 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9260 String[] instructionSets) { 9261 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9262 this.codeFile = (codePath != null) ? new File(codePath) : null; 9263 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9264 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9265 new File(legacyNativeLibraryPath) : null; 9266 } 9267 9268 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9269 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9270 isFwdLocked(), abiOverride); 9271 9272 final StorageManager storage = StorageManager.from(mContext); 9273 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9274 } 9275 9276 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9277 if (origin.staged) { 9278 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9279 codeFile = origin.file; 9280 resourceFile = origin.file; 9281 return PackageManager.INSTALL_SUCCEEDED; 9282 } 9283 9284 try { 9285 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9286 codeFile = tempDir; 9287 resourceFile = tempDir; 9288 } catch (IOException e) { 9289 Slog.w(TAG, "Failed to create copy file: " + e); 9290 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9291 } 9292 9293 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9294 @Override 9295 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9296 if (!FileUtils.isValidExtFilename(name)) { 9297 throw new IllegalArgumentException("Invalid filename: " + name); 9298 } 9299 try { 9300 final File file = new File(codeFile, name); 9301 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9302 O_RDWR | O_CREAT, 0644); 9303 Os.chmod(file.getAbsolutePath(), 0644); 9304 return new ParcelFileDescriptor(fd); 9305 } catch (ErrnoException e) { 9306 throw new RemoteException("Failed to open: " + e.getMessage()); 9307 } 9308 } 9309 }; 9310 9311 int ret = PackageManager.INSTALL_SUCCEEDED; 9312 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9313 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9314 Slog.e(TAG, "Failed to copy package"); 9315 return ret; 9316 } 9317 9318 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9319 NativeLibraryHelper.Handle handle = null; 9320 try { 9321 handle = NativeLibraryHelper.Handle.create(codeFile); 9322 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9323 abiOverride); 9324 } catch (IOException e) { 9325 Slog.e(TAG, "Copying native libraries failed", e); 9326 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9327 } finally { 9328 IoUtils.closeQuietly(handle); 9329 } 9330 9331 return ret; 9332 } 9333 9334 int doPreInstall(int status) { 9335 if (status != PackageManager.INSTALL_SUCCEEDED) { 9336 cleanUp(); 9337 } 9338 return status; 9339 } 9340 9341 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9342 if (status != PackageManager.INSTALL_SUCCEEDED) { 9343 cleanUp(); 9344 return false; 9345 } else { 9346 final File beforeCodeFile = codeFile; 9347 final File afterCodeFile = getNextCodePath(pkg.packageName); 9348 9349 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9350 try { 9351 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9352 } catch (ErrnoException e) { 9353 Slog.d(TAG, "Failed to rename", e); 9354 return false; 9355 } 9356 9357 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9358 Slog.d(TAG, "Failed to restorecon"); 9359 return false; 9360 } 9361 9362 // Reflect the rename internally 9363 codeFile = afterCodeFile; 9364 resourceFile = afterCodeFile; 9365 9366 // Reflect the rename in scanned details 9367 pkg.codePath = afterCodeFile.getAbsolutePath(); 9368 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9369 pkg.baseCodePath); 9370 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9371 pkg.splitCodePaths); 9372 9373 // Reflect the rename in app info 9374 pkg.applicationInfo.setCodePath(pkg.codePath); 9375 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9376 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9377 pkg.applicationInfo.setResourcePath(pkg.codePath); 9378 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9379 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9380 9381 return true; 9382 } 9383 } 9384 9385 int doPostInstall(int status, int uid) { 9386 if (status != PackageManager.INSTALL_SUCCEEDED) { 9387 cleanUp(); 9388 } 9389 return status; 9390 } 9391 9392 @Override 9393 String getCodePath() { 9394 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9395 } 9396 9397 @Override 9398 String getResourcePath() { 9399 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9400 } 9401 9402 @Override 9403 String getLegacyNativeLibraryPath() { 9404 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9405 } 9406 9407 private boolean cleanUp() { 9408 if (codeFile == null || !codeFile.exists()) { 9409 return false; 9410 } 9411 9412 if (codeFile.isDirectory()) { 9413 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 9414 } else { 9415 codeFile.delete(); 9416 } 9417 9418 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9419 resourceFile.delete(); 9420 } 9421 9422 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9423 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9424 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9425 } 9426 legacyNativeLibraryPath.delete(); 9427 } 9428 9429 return true; 9430 } 9431 9432 void cleanUpResourcesLI() { 9433 // Try enumerating all code paths before deleting 9434 List<String> allCodePaths = Collections.EMPTY_LIST; 9435 if (codeFile != null && codeFile.exists()) { 9436 try { 9437 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9438 allCodePaths = pkg.getAllCodePaths(); 9439 } catch (PackageParserException e) { 9440 // Ignored; we tried our best 9441 } 9442 } 9443 9444 cleanUp(); 9445 removeDexFiles(allCodePaths, instructionSets); 9446 } 9447 9448 boolean doPostDeleteLI(boolean delete) { 9449 // XXX err, shouldn't we respect the delete flag? 9450 cleanUpResourcesLI(); 9451 return true; 9452 } 9453 } 9454 9455 private boolean isAsecExternal(String cid) { 9456 final String asecPath = PackageHelper.getSdFilesystem(cid); 9457 return !asecPath.startsWith(mAsecInternalPath); 9458 } 9459 9460 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9461 PackageManagerException { 9462 if (copyRet < 0) { 9463 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9464 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9465 throw new PackageManagerException(copyRet, message); 9466 } 9467 } 9468 } 9469 9470 /** 9471 * Extract the MountService "container ID" from the full code path of an 9472 * .apk. 9473 */ 9474 static String cidFromCodePath(String fullCodePath) { 9475 int eidx = fullCodePath.lastIndexOf("/"); 9476 String subStr1 = fullCodePath.substring(0, eidx); 9477 int sidx = subStr1.lastIndexOf("/"); 9478 return subStr1.substring(sidx+1, eidx); 9479 } 9480 9481 /** 9482 * Logic to handle installation of ASEC applications, including copying and 9483 * renaming logic. 9484 */ 9485 class AsecInstallArgs extends InstallArgs { 9486 static final String RES_FILE_NAME = "pkg.apk"; 9487 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9488 9489 String cid; 9490 String packagePath; 9491 String resourcePath; 9492 String legacyNativeLibraryDir; 9493 9494 /** New install */ 9495 AsecInstallArgs(InstallParams params) { 9496 super(params.origin, params.observer, params.installFlags, 9497 params.installerPackageName, params.getManifestDigest(), 9498 params.getUser(), null /* instruction sets */, 9499 params.packageAbiOverride); 9500 } 9501 9502 /** Existing install */ 9503 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9504 boolean isExternal, boolean isForwardLocked) { 9505 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9506 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9507 instructionSets, null); 9508 // Hackily pretend we're still looking at a full code path 9509 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9510 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9511 } 9512 9513 // Extract cid from fullCodePath 9514 int eidx = fullCodePath.lastIndexOf("/"); 9515 String subStr1 = fullCodePath.substring(0, eidx); 9516 int sidx = subStr1.lastIndexOf("/"); 9517 cid = subStr1.substring(sidx+1, eidx); 9518 setMountPath(subStr1); 9519 } 9520 9521 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9522 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9523 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9524 instructionSets, null); 9525 this.cid = cid; 9526 setMountPath(PackageHelper.getSdDir(cid)); 9527 } 9528 9529 void createCopyFile() { 9530 cid = mInstallerService.allocateExternalStageCidLegacy(); 9531 } 9532 9533 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9534 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9535 abiOverride); 9536 9537 final File target; 9538 if (isExternal()) { 9539 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9540 } else { 9541 target = Environment.getDataDirectory(); 9542 } 9543 9544 final StorageManager storage = StorageManager.from(mContext); 9545 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9546 } 9547 9548 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9549 if (origin.staged) { 9550 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9551 cid = origin.cid; 9552 setMountPath(PackageHelper.getSdDir(cid)); 9553 return PackageManager.INSTALL_SUCCEEDED; 9554 } 9555 9556 if (temp) { 9557 createCopyFile(); 9558 } else { 9559 /* 9560 * Pre-emptively destroy the container since it's destroyed if 9561 * copying fails due to it existing anyway. 9562 */ 9563 PackageHelper.destroySdDir(cid); 9564 } 9565 9566 final String newMountPath = imcs.copyPackageToContainer( 9567 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9568 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9569 9570 if (newMountPath != null) { 9571 setMountPath(newMountPath); 9572 return PackageManager.INSTALL_SUCCEEDED; 9573 } else { 9574 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9575 } 9576 } 9577 9578 @Override 9579 String getCodePath() { 9580 return packagePath; 9581 } 9582 9583 @Override 9584 String getResourcePath() { 9585 return resourcePath; 9586 } 9587 9588 @Override 9589 String getLegacyNativeLibraryPath() { 9590 return legacyNativeLibraryDir; 9591 } 9592 9593 int doPreInstall(int status) { 9594 if (status != PackageManager.INSTALL_SUCCEEDED) { 9595 // Destroy container 9596 PackageHelper.destroySdDir(cid); 9597 } else { 9598 boolean mounted = PackageHelper.isContainerMounted(cid); 9599 if (!mounted) { 9600 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9601 Process.SYSTEM_UID); 9602 if (newMountPath != null) { 9603 setMountPath(newMountPath); 9604 } else { 9605 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9606 } 9607 } 9608 } 9609 return status; 9610 } 9611 9612 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9613 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9614 String newMountPath = null; 9615 if (PackageHelper.isContainerMounted(cid)) { 9616 // Unmount the container 9617 if (!PackageHelper.unMountSdDir(cid)) { 9618 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9619 return false; 9620 } 9621 } 9622 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9623 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9624 " which might be stale. Will try to clean up."); 9625 // Clean up the stale container and proceed to recreate. 9626 if (!PackageHelper.destroySdDir(newCacheId)) { 9627 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9628 return false; 9629 } 9630 // Successfully cleaned up stale container. Try to rename again. 9631 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9632 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9633 + " inspite of cleaning it up."); 9634 return false; 9635 } 9636 } 9637 if (!PackageHelper.isContainerMounted(newCacheId)) { 9638 Slog.w(TAG, "Mounting container " + newCacheId); 9639 newMountPath = PackageHelper.mountSdDir(newCacheId, 9640 getEncryptKey(), Process.SYSTEM_UID); 9641 } else { 9642 newMountPath = PackageHelper.getSdDir(newCacheId); 9643 } 9644 if (newMountPath == null) { 9645 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9646 return false; 9647 } 9648 Log.i(TAG, "Succesfully renamed " + cid + 9649 " to " + newCacheId + 9650 " at new path: " + newMountPath); 9651 cid = newCacheId; 9652 9653 final File beforeCodeFile = new File(packagePath); 9654 setMountPath(newMountPath); 9655 final File afterCodeFile = new File(packagePath); 9656 9657 // Reflect the rename in scanned details 9658 pkg.codePath = afterCodeFile.getAbsolutePath(); 9659 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9660 pkg.baseCodePath); 9661 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9662 pkg.splitCodePaths); 9663 9664 // Reflect the rename in app info 9665 pkg.applicationInfo.setCodePath(pkg.codePath); 9666 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9667 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9668 pkg.applicationInfo.setResourcePath(pkg.codePath); 9669 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9670 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9671 9672 return true; 9673 } 9674 9675 private void setMountPath(String mountPath) { 9676 final File mountFile = new File(mountPath); 9677 9678 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9679 if (monolithicFile.exists()) { 9680 packagePath = monolithicFile.getAbsolutePath(); 9681 if (isFwdLocked()) { 9682 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9683 } else { 9684 resourcePath = packagePath; 9685 } 9686 } else { 9687 packagePath = mountFile.getAbsolutePath(); 9688 resourcePath = packagePath; 9689 } 9690 9691 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9692 } 9693 9694 int doPostInstall(int status, int uid) { 9695 if (status != PackageManager.INSTALL_SUCCEEDED) { 9696 cleanUp(); 9697 } else { 9698 final int groupOwner; 9699 final String protectedFile; 9700 if (isFwdLocked()) { 9701 groupOwner = UserHandle.getSharedAppGid(uid); 9702 protectedFile = RES_FILE_NAME; 9703 } else { 9704 groupOwner = -1; 9705 protectedFile = null; 9706 } 9707 9708 if (uid < Process.FIRST_APPLICATION_UID 9709 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9710 Slog.e(TAG, "Failed to finalize " + cid); 9711 PackageHelper.destroySdDir(cid); 9712 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9713 } 9714 9715 boolean mounted = PackageHelper.isContainerMounted(cid); 9716 if (!mounted) { 9717 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9718 } 9719 } 9720 return status; 9721 } 9722 9723 private void cleanUp() { 9724 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9725 9726 // Destroy secure container 9727 PackageHelper.destroySdDir(cid); 9728 } 9729 9730 private List<String> getAllCodePaths() { 9731 final File codeFile = new File(getCodePath()); 9732 if (codeFile != null && codeFile.exists()) { 9733 try { 9734 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9735 return pkg.getAllCodePaths(); 9736 } catch (PackageParserException e) { 9737 // Ignored; we tried our best 9738 } 9739 } 9740 return Collections.EMPTY_LIST; 9741 } 9742 9743 void cleanUpResourcesLI() { 9744 // Enumerate all code paths before deleting 9745 cleanUpResourcesLI(getAllCodePaths()); 9746 } 9747 9748 private void cleanUpResourcesLI(List<String> allCodePaths) { 9749 cleanUp(); 9750 removeDexFiles(allCodePaths, instructionSets); 9751 } 9752 9753 9754 9755 String getPackageName() { 9756 return getAsecPackageName(cid); 9757 } 9758 9759 boolean doPostDeleteLI(boolean delete) { 9760 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9761 final List<String> allCodePaths = getAllCodePaths(); 9762 boolean mounted = PackageHelper.isContainerMounted(cid); 9763 if (mounted) { 9764 // Unmount first 9765 if (PackageHelper.unMountSdDir(cid)) { 9766 mounted = false; 9767 } 9768 } 9769 if (!mounted && delete) { 9770 cleanUpResourcesLI(allCodePaths); 9771 } 9772 return !mounted; 9773 } 9774 9775 @Override 9776 int doPreCopy() { 9777 if (isFwdLocked()) { 9778 if (!PackageHelper.fixSdPermissions(cid, 9779 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9780 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9781 } 9782 } 9783 9784 return PackageManager.INSTALL_SUCCEEDED; 9785 } 9786 9787 @Override 9788 int doPostCopy(int uid) { 9789 if (isFwdLocked()) { 9790 if (uid < Process.FIRST_APPLICATION_UID 9791 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9792 RES_FILE_NAME)) { 9793 Slog.e(TAG, "Failed to finalize " + cid); 9794 PackageHelper.destroySdDir(cid); 9795 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9796 } 9797 } 9798 9799 return PackageManager.INSTALL_SUCCEEDED; 9800 } 9801 } 9802 9803 static String getAsecPackageName(String packageCid) { 9804 int idx = packageCid.lastIndexOf("-"); 9805 if (idx == -1) { 9806 return packageCid; 9807 } 9808 return packageCid.substring(0, idx); 9809 } 9810 9811 // Utility method used to create code paths based on package name and available index. 9812 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9813 String idxStr = ""; 9814 int idx = 1; 9815 // Fall back to default value of idx=1 if prefix is not 9816 // part of oldCodePath 9817 if (oldCodePath != null) { 9818 String subStr = oldCodePath; 9819 // Drop the suffix right away 9820 if (suffix != null && subStr.endsWith(suffix)) { 9821 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9822 } 9823 // If oldCodePath already contains prefix find out the 9824 // ending index to either increment or decrement. 9825 int sidx = subStr.lastIndexOf(prefix); 9826 if (sidx != -1) { 9827 subStr = subStr.substring(sidx + prefix.length()); 9828 if (subStr != null) { 9829 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9830 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9831 } 9832 try { 9833 idx = Integer.parseInt(subStr); 9834 if (idx <= 1) { 9835 idx++; 9836 } else { 9837 idx--; 9838 } 9839 } catch(NumberFormatException e) { 9840 } 9841 } 9842 } 9843 } 9844 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9845 return prefix + idxStr; 9846 } 9847 9848 private File getNextCodePath(String packageName) { 9849 int suffix = 1; 9850 File result; 9851 do { 9852 result = new File(mAppInstallDir, packageName + "-" + suffix); 9853 suffix++; 9854 } while (result.exists()); 9855 return result; 9856 } 9857 9858 // Utility method that returns the relative package path with respect 9859 // to the installation directory. Like say for /data/data/com.test-1.apk 9860 // string com.test-1 is returned. 9861 static String deriveCodePathName(String codePath) { 9862 if (codePath == null) { 9863 return null; 9864 } 9865 final File codeFile = new File(codePath); 9866 final String name = codeFile.getName(); 9867 if (codeFile.isDirectory()) { 9868 return name; 9869 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9870 final int lastDot = name.lastIndexOf('.'); 9871 return name.substring(0, lastDot); 9872 } else { 9873 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9874 return null; 9875 } 9876 } 9877 9878 class PackageInstalledInfo { 9879 String name; 9880 int uid; 9881 // The set of users that originally had this package installed. 9882 int[] origUsers; 9883 // The set of users that now have this package installed. 9884 int[] newUsers; 9885 PackageParser.Package pkg; 9886 int returnCode; 9887 String returnMsg; 9888 PackageRemovedInfo removedInfo; 9889 9890 public void setError(int code, String msg) { 9891 returnCode = code; 9892 returnMsg = msg; 9893 Slog.w(TAG, msg); 9894 } 9895 9896 public void setError(String msg, PackageParserException e) { 9897 returnCode = e.error; 9898 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9899 Slog.w(TAG, msg, e); 9900 } 9901 9902 public void setError(String msg, PackageManagerException e) { 9903 returnCode = e.error; 9904 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9905 Slog.w(TAG, msg, e); 9906 } 9907 9908 // In some error cases we want to convey more info back to the observer 9909 String origPackage; 9910 String origPermission; 9911 } 9912 9913 /* 9914 * Install a non-existing package. 9915 */ 9916 private void installNewPackageLI(PackageParser.Package pkg, 9917 int parseFlags, int scanFlags, UserHandle user, 9918 String installerPackageName, PackageInstalledInfo res) { 9919 // Remember this for later, in case we need to rollback this install 9920 String pkgName = pkg.packageName; 9921 9922 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9923 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9924 synchronized(mPackages) { 9925 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9926 // A package with the same name is already installed, though 9927 // it has been renamed to an older name. The package we 9928 // are trying to install should be installed as an update to 9929 // the existing one, but that has not been requested, so bail. 9930 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9931 + " without first uninstalling package running as " 9932 + mSettings.mRenamedPackages.get(pkgName)); 9933 return; 9934 } 9935 if (mPackages.containsKey(pkgName)) { 9936 // Don't allow installation over an existing package with the same name. 9937 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9938 + " without first uninstalling."); 9939 return; 9940 } 9941 } 9942 9943 try { 9944 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9945 System.currentTimeMillis(), user); 9946 9947 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9948 // delete the partially installed application. the data directory will have to be 9949 // restored if it was already existing 9950 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9951 // remove package from internal structures. Note that we want deletePackageX to 9952 // delete the package data and cache directories that it created in 9953 // scanPackageLocked, unless those directories existed before we even tried to 9954 // install. 9955 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9956 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9957 res.removedInfo, true); 9958 } 9959 9960 } catch (PackageManagerException e) { 9961 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9962 } 9963 } 9964 9965 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9966 // Upgrade keysets are being used. Determine if new package has a superset of the 9967 // required keys. 9968 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9969 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9970 for (int i = 0; i < upgradeKeySets.length; i++) { 9971 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9972 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9973 return true; 9974 } 9975 } 9976 return false; 9977 } 9978 9979 private void replacePackageLI(PackageParser.Package pkg, 9980 int parseFlags, int scanFlags, UserHandle user, 9981 String installerPackageName, PackageInstalledInfo res) { 9982 PackageParser.Package oldPackage; 9983 String pkgName = pkg.packageName; 9984 int[] allUsers; 9985 boolean[] perUserInstalled; 9986 9987 // First find the old package info and check signatures 9988 synchronized(mPackages) { 9989 oldPackage = mPackages.get(pkgName); 9990 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9991 PackageSetting ps = mSettings.mPackages.get(pkgName); 9992 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9993 // default to original signature matching 9994 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9995 != PackageManager.SIGNATURE_MATCH) { 9996 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9997 "New package has a different signature: " + pkgName); 9998 return; 9999 } 10000 } else { 10001 if(!checkUpgradeKeySetLP(ps, pkg)) { 10002 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10003 "New package not signed by keys specified by upgrade-keysets: " 10004 + pkgName); 10005 return; 10006 } 10007 } 10008 10009 // In case of rollback, remember per-user/profile install state 10010 allUsers = sUserManager.getUserIds(); 10011 perUserInstalled = new boolean[allUsers.length]; 10012 for (int i = 0; i < allUsers.length; i++) { 10013 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10014 } 10015 } 10016 10017 boolean sysPkg = (isSystemApp(oldPackage)); 10018 if (sysPkg) { 10019 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10020 user, allUsers, perUserInstalled, installerPackageName, res); 10021 } else { 10022 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10023 user, allUsers, perUserInstalled, installerPackageName, res); 10024 } 10025 } 10026 10027 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10028 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10029 int[] allUsers, boolean[] perUserInstalled, 10030 String installerPackageName, PackageInstalledInfo res) { 10031 String pkgName = deletedPackage.packageName; 10032 boolean deletedPkg = true; 10033 boolean updatedSettings = false; 10034 10035 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10036 + deletedPackage); 10037 long origUpdateTime; 10038 if (pkg.mExtras != null) { 10039 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10040 } else { 10041 origUpdateTime = 0; 10042 } 10043 10044 // First delete the existing package while retaining the data directory 10045 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10046 res.removedInfo, true)) { 10047 // If the existing package wasn't successfully deleted 10048 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10049 deletedPkg = false; 10050 } else { 10051 // Successfully deleted the old package; proceed with replace. 10052 10053 // If deleted package lived in a container, give users a chance to 10054 // relinquish resources before killing. 10055 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10056 if (DEBUG_INSTALL) { 10057 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10058 } 10059 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10060 final ArrayList<String> pkgList = new ArrayList<String>(1); 10061 pkgList.add(deletedPackage.applicationInfo.packageName); 10062 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10063 } 10064 10065 deleteCodeCacheDirsLI(pkgName); 10066 try { 10067 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10068 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10069 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10070 updatedSettings = true; 10071 } catch (PackageManagerException e) { 10072 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10073 } 10074 } 10075 10076 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10077 // remove package from internal structures. Note that we want deletePackageX to 10078 // delete the package data and cache directories that it created in 10079 // scanPackageLocked, unless those directories existed before we even tried to 10080 // install. 10081 if(updatedSettings) { 10082 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10083 deletePackageLI( 10084 pkgName, null, true, allUsers, perUserInstalled, 10085 PackageManager.DELETE_KEEP_DATA, 10086 res.removedInfo, true); 10087 } 10088 // Since we failed to install the new package we need to restore the old 10089 // package that we deleted. 10090 if (deletedPkg) { 10091 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10092 File restoreFile = new File(deletedPackage.codePath); 10093 // Parse old package 10094 boolean oldOnSd = isExternal(deletedPackage); 10095 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10096 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10097 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10098 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10099 try { 10100 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10101 } catch (PackageManagerException e) { 10102 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10103 + e.getMessage()); 10104 return; 10105 } 10106 // Restore of old package succeeded. Update permissions. 10107 // writer 10108 synchronized (mPackages) { 10109 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10110 UPDATE_PERMISSIONS_ALL); 10111 // can downgrade to reader 10112 mSettings.writeLPr(); 10113 } 10114 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10115 } 10116 } 10117 } 10118 10119 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10120 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10121 int[] allUsers, boolean[] perUserInstalled, 10122 String installerPackageName, PackageInstalledInfo res) { 10123 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10124 + ", old=" + deletedPackage); 10125 boolean disabledSystem = false; 10126 boolean updatedSettings = false; 10127 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10128 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10129 != 0) { 10130 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10131 } 10132 String packageName = deletedPackage.packageName; 10133 if (packageName == null) { 10134 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10135 "Attempt to delete null packageName."); 10136 return; 10137 } 10138 PackageParser.Package oldPkg; 10139 PackageSetting oldPkgSetting; 10140 // reader 10141 synchronized (mPackages) { 10142 oldPkg = mPackages.get(packageName); 10143 oldPkgSetting = mSettings.mPackages.get(packageName); 10144 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10145 (oldPkgSetting == null)) { 10146 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10147 "Couldn't find package:" + packageName + " information"); 10148 return; 10149 } 10150 } 10151 10152 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10153 10154 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10155 res.removedInfo.removedPackage = packageName; 10156 // Remove existing system package 10157 removePackageLI(oldPkgSetting, true); 10158 // writer 10159 synchronized (mPackages) { 10160 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10161 if (!disabledSystem && deletedPackage != null) { 10162 // We didn't need to disable the .apk as a current system package, 10163 // which means we are replacing another update that is already 10164 // installed. We need to make sure to delete the older one's .apk. 10165 res.removedInfo.args = createInstallArgsForExisting(0, 10166 deletedPackage.applicationInfo.getCodePath(), 10167 deletedPackage.applicationInfo.getResourcePath(), 10168 deletedPackage.applicationInfo.nativeLibraryRootDir, 10169 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10170 } else { 10171 res.removedInfo.args = null; 10172 } 10173 } 10174 10175 // Successfully disabled the old package. Now proceed with re-installation 10176 deleteCodeCacheDirsLI(packageName); 10177 10178 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10179 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10180 10181 PackageParser.Package newPackage = null; 10182 try { 10183 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10184 if (newPackage.mExtras != null) { 10185 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10186 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10187 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10188 10189 // is the update attempting to change shared user? that isn't going to work... 10190 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10191 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10192 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10193 + " to " + newPkgSetting.sharedUser); 10194 updatedSettings = true; 10195 } 10196 } 10197 10198 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10199 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10200 updatedSettings = true; 10201 } 10202 10203 } catch (PackageManagerException e) { 10204 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10205 } 10206 10207 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10208 // Re installation failed. Restore old information 10209 // Remove new pkg information 10210 if (newPackage != null) { 10211 removeInstalledPackageLI(newPackage, true); 10212 } 10213 // Add back the old system package 10214 try { 10215 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10216 } catch (PackageManagerException e) { 10217 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10218 } 10219 // Restore the old system information in Settings 10220 synchronized (mPackages) { 10221 if (disabledSystem) { 10222 mSettings.enableSystemPackageLPw(packageName); 10223 } 10224 if (updatedSettings) { 10225 mSettings.setInstallerPackageName(packageName, 10226 oldPkgSetting.installerPackageName); 10227 } 10228 mSettings.writeLPr(); 10229 } 10230 } 10231 } 10232 10233 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10234 int[] allUsers, boolean[] perUserInstalled, 10235 PackageInstalledInfo res) { 10236 String pkgName = newPackage.packageName; 10237 synchronized (mPackages) { 10238 //write settings. the installStatus will be incomplete at this stage. 10239 //note that the new package setting would have already been 10240 //added to mPackages. It hasn't been persisted yet. 10241 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10242 mSettings.writeLPr(); 10243 } 10244 10245 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10246 10247 synchronized (mPackages) { 10248 updatePermissionsLPw(newPackage.packageName, newPackage, 10249 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10250 ? UPDATE_PERMISSIONS_ALL : 0)); 10251 // For system-bundled packages, we assume that installing an upgraded version 10252 // of the package implies that the user actually wants to run that new code, 10253 // so we enable the package. 10254 if (isSystemApp(newPackage)) { 10255 // NB: implicit assumption that system package upgrades apply to all users 10256 if (DEBUG_INSTALL) { 10257 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10258 } 10259 PackageSetting ps = mSettings.mPackages.get(pkgName); 10260 if (ps != null) { 10261 if (res.origUsers != null) { 10262 for (int userHandle : res.origUsers) { 10263 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10264 userHandle, installerPackageName); 10265 } 10266 } 10267 // Also convey the prior install/uninstall state 10268 if (allUsers != null && perUserInstalled != null) { 10269 for (int i = 0; i < allUsers.length; i++) { 10270 if (DEBUG_INSTALL) { 10271 Slog.d(TAG, " user " + allUsers[i] 10272 + " => " + perUserInstalled[i]); 10273 } 10274 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10275 } 10276 // these install state changes will be persisted in the 10277 // upcoming call to mSettings.writeLPr(). 10278 } 10279 } 10280 } 10281 res.name = pkgName; 10282 res.uid = newPackage.applicationInfo.uid; 10283 res.pkg = newPackage; 10284 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10285 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10286 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10287 //to update install status 10288 mSettings.writeLPr(); 10289 } 10290 } 10291 10292 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10293 final int installFlags = args.installFlags; 10294 String installerPackageName = args.installerPackageName; 10295 File tmpPackageFile = new File(args.getCodePath()); 10296 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10297 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10298 boolean replace = false; 10299 int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10300 // Result object to be returned 10301 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10302 10303 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10304 // Retrieve PackageSettings and parse package 10305 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10306 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10307 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10308 PackageParser pp = new PackageParser(); 10309 pp.setSeparateProcesses(mSeparateProcesses); 10310 pp.setDisplayMetrics(mMetrics); 10311 10312 final PackageParser.Package pkg; 10313 try { 10314 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10315 } catch (PackageParserException e) { 10316 res.setError("Failed parse during installPackageLI", e); 10317 return; 10318 } 10319 10320 // Mark that we have an install time CPU ABI override. 10321 pkg.cpuAbiOverride = args.abiOverride; 10322 10323 String pkgName = res.name = pkg.packageName; 10324 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10325 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10326 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10327 return; 10328 } 10329 } 10330 10331 try { 10332 pp.collectCertificates(pkg, parseFlags); 10333 pp.collectManifestDigest(pkg); 10334 } catch (PackageParserException e) { 10335 res.setError("Failed collect during installPackageLI", e); 10336 return; 10337 } 10338 10339 /* If the installer passed in a manifest digest, compare it now. */ 10340 if (args.manifestDigest != null) { 10341 if (DEBUG_INSTALL) { 10342 final String parsedManifest = pkg.manifestDigest == null ? "null" 10343 : pkg.manifestDigest.toString(); 10344 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10345 + parsedManifest); 10346 } 10347 10348 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10349 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10350 return; 10351 } 10352 } else if (DEBUG_INSTALL) { 10353 final String parsedManifest = pkg.manifestDigest == null 10354 ? "null" : pkg.manifestDigest.toString(); 10355 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10356 } 10357 10358 // Get rid of all references to package scan path via parser. 10359 pp = null; 10360 String oldCodePath = null; 10361 boolean systemApp = false; 10362 synchronized (mPackages) { 10363 // Check if installing already existing package 10364 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10365 String oldName = mSettings.mRenamedPackages.get(pkgName); 10366 if (pkg.mOriginalPackages != null 10367 && pkg.mOriginalPackages.contains(oldName) 10368 && mPackages.containsKey(oldName)) { 10369 // This package is derived from an original package, 10370 // and this device has been updating from that original 10371 // name. We must continue using the original name, so 10372 // rename the new package here. 10373 pkg.setPackageName(oldName); 10374 pkgName = pkg.packageName; 10375 replace = true; 10376 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10377 + oldName + " pkgName=" + pkgName); 10378 } else if (mPackages.containsKey(pkgName)) { 10379 // This package, under its official name, already exists 10380 // on the device; we should replace it. 10381 replace = true; 10382 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10383 } 10384 } 10385 10386 PackageSetting ps = mSettings.mPackages.get(pkgName); 10387 if (ps != null) { 10388 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10389 10390 // Quick sanity check that we're signed correctly if updating; 10391 // we'll check this again later when scanning, but we want to 10392 // bail early here before tripping over redefined permissions. 10393 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10394 try { 10395 verifySignaturesLP(ps, pkg); 10396 } catch (PackageManagerException e) { 10397 res.setError(e.error, e.getMessage()); 10398 return; 10399 } 10400 } else { 10401 if (!checkUpgradeKeySetLP(ps, pkg)) { 10402 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10403 + pkg.packageName + " upgrade keys do not match the " 10404 + "previously installed version"); 10405 return; 10406 } 10407 } 10408 10409 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10410 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10411 systemApp = (ps.pkg.applicationInfo.flags & 10412 ApplicationInfo.FLAG_SYSTEM) != 0; 10413 } 10414 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10415 } 10416 10417 // Check whether the newly-scanned package wants to define an already-defined perm 10418 int N = pkg.permissions.size(); 10419 for (int i = N-1; i >= 0; i--) { 10420 PackageParser.Permission perm = pkg.permissions.get(i); 10421 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10422 if (bp != null) { 10423 // If the defining package is signed with our cert, it's okay. This 10424 // also includes the "updating the same package" case, of course. 10425 // "updating same package" could also involve key-rotation. 10426 final boolean sigsOk; 10427 if (!bp.sourcePackage.equals(pkg.packageName) 10428 || !(bp.packageSetting instanceof PackageSetting) 10429 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10430 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10431 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10432 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10433 } else { 10434 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10435 } 10436 if (!sigsOk) { 10437 // If the owning package is the system itself, we log but allow 10438 // install to proceed; we fail the install on all other permission 10439 // redefinitions. 10440 if (!bp.sourcePackage.equals("android")) { 10441 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10442 + pkg.packageName + " attempting to redeclare permission " 10443 + perm.info.name + " already owned by " + bp.sourcePackage); 10444 res.origPermission = perm.info.name; 10445 res.origPackage = bp.sourcePackage; 10446 return; 10447 } else { 10448 Slog.w(TAG, "Package " + pkg.packageName 10449 + " attempting to redeclare system permission " 10450 + perm.info.name + "; ignoring new declaration"); 10451 pkg.permissions.remove(i); 10452 } 10453 } 10454 } 10455 } 10456 10457 } 10458 10459 if (systemApp && onSd) { 10460 // Disable updates to system apps on sdcard 10461 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10462 "Cannot install updates to system apps on sdcard"); 10463 return; 10464 } 10465 10466 // If app directory is not writable, dexopt will be called after the rename 10467 if (!forwardLocked && pkg.applicationInfo.isInternal()) { 10468 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 10469 scanFlags |= SCAN_NO_DEX; 10470 try { 10471 deriveNonSystemPackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 10472 true /* extract libs */); 10473 } catch (PackageManagerException pme) { 10474 Slog.e(TAG, "Error deriving application ABI", pme); 10475 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 10476 return; 10477 } 10478 10479 // Run dexopt before old package gets removed, to minimize time when app is unavailable 10480 int result = mPackageDexOptimizer 10481 .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */, 10482 false /* defer */, false /* inclDependencies */); 10483 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 10484 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 10485 return; 10486 } 10487 } 10488 10489 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10490 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10491 return; 10492 } 10493 10494 if (replace) { 10495 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10496 installerPackageName, res); 10497 } else { 10498 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10499 args.user, installerPackageName, res); 10500 } 10501 synchronized (mPackages) { 10502 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10503 if (ps != null) { 10504 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10505 } 10506 } 10507 } 10508 10509 private static boolean isMultiArch(PackageSetting ps) { 10510 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10511 } 10512 10513 private static boolean isMultiArch(ApplicationInfo info) { 10514 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10515 } 10516 10517 private static boolean isExternal(PackageParser.Package pkg) { 10518 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10519 } 10520 10521 private static boolean isExternal(PackageSetting ps) { 10522 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10523 } 10524 10525 private static boolean isExternal(ApplicationInfo info) { 10526 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10527 } 10528 10529 private static boolean isSystemApp(PackageParser.Package pkg) { 10530 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10531 } 10532 10533 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10534 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10535 } 10536 10537 private static boolean isSystemApp(PackageSetting ps) { 10538 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10539 } 10540 10541 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10542 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10543 } 10544 10545 private int packageFlagsToInstallFlags(PackageSetting ps) { 10546 int installFlags = 0; 10547 if (isExternal(ps)) { 10548 installFlags |= PackageManager.INSTALL_EXTERNAL; 10549 } 10550 if (ps.isForwardLocked()) { 10551 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10552 } 10553 return installFlags; 10554 } 10555 10556 private void deleteTempPackageFiles() { 10557 final FilenameFilter filter = new FilenameFilter() { 10558 public boolean accept(File dir, String name) { 10559 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10560 } 10561 }; 10562 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10563 file.delete(); 10564 } 10565 } 10566 10567 @Override 10568 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10569 int flags) { 10570 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10571 flags); 10572 } 10573 10574 @Override 10575 public void deletePackage(final String packageName, 10576 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10577 mContext.enforceCallingOrSelfPermission( 10578 android.Manifest.permission.DELETE_PACKAGES, null); 10579 final int uid = Binder.getCallingUid(); 10580 if (UserHandle.getUserId(uid) != userId) { 10581 mContext.enforceCallingPermission( 10582 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10583 "deletePackage for user " + userId); 10584 } 10585 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10586 try { 10587 observer.onPackageDeleted(packageName, 10588 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10589 } catch (RemoteException re) { 10590 } 10591 return; 10592 } 10593 10594 boolean uninstallBlocked = false; 10595 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10596 int[] users = sUserManager.getUserIds(); 10597 for (int i = 0; i < users.length; ++i) { 10598 if (getBlockUninstallForUser(packageName, users[i])) { 10599 uninstallBlocked = true; 10600 break; 10601 } 10602 } 10603 } else { 10604 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10605 } 10606 if (uninstallBlocked) { 10607 try { 10608 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10609 null); 10610 } catch (RemoteException re) { 10611 } 10612 return; 10613 } 10614 10615 if (DEBUG_REMOVE) { 10616 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10617 } 10618 // Queue up an async operation since the package deletion may take a little while. 10619 mHandler.post(new Runnable() { 10620 public void run() { 10621 mHandler.removeCallbacks(this); 10622 final int returnCode = deletePackageX(packageName, userId, flags); 10623 if (observer != null) { 10624 try { 10625 observer.onPackageDeleted(packageName, returnCode, null); 10626 } catch (RemoteException e) { 10627 Log.i(TAG, "Observer no longer exists."); 10628 } //end catch 10629 } //end if 10630 } //end run 10631 }); 10632 } 10633 10634 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10635 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10636 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10637 try { 10638 if (dpm != null) { 10639 if (dpm.isDeviceOwner(packageName)) { 10640 return true; 10641 } 10642 int[] users; 10643 if (userId == UserHandle.USER_ALL) { 10644 users = sUserManager.getUserIds(); 10645 } else { 10646 users = new int[]{userId}; 10647 } 10648 for (int i = 0; i < users.length; ++i) { 10649 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10650 return true; 10651 } 10652 } 10653 } 10654 } catch (RemoteException e) { 10655 } 10656 return false; 10657 } 10658 10659 /** 10660 * This method is an internal method that could be get invoked either 10661 * to delete an installed package or to clean up a failed installation. 10662 * After deleting an installed package, a broadcast is sent to notify any 10663 * listeners that the package has been installed. For cleaning up a failed 10664 * installation, the broadcast is not necessary since the package's 10665 * installation wouldn't have sent the initial broadcast either 10666 * The key steps in deleting a package are 10667 * deleting the package information in internal structures like mPackages, 10668 * deleting the packages base directories through installd 10669 * updating mSettings to reflect current status 10670 * persisting settings for later use 10671 * sending a broadcast if necessary 10672 */ 10673 private int deletePackageX(String packageName, int userId, int flags) { 10674 final PackageRemovedInfo info = new PackageRemovedInfo(); 10675 final boolean res; 10676 10677 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10678 ? UserHandle.ALL : new UserHandle(userId); 10679 10680 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10681 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10682 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10683 } 10684 10685 boolean removedForAllUsers = false; 10686 boolean systemUpdate = false; 10687 10688 // for the uninstall-updates case and restricted profiles, remember the per- 10689 // userhandle installed state 10690 int[] allUsers; 10691 boolean[] perUserInstalled; 10692 synchronized (mPackages) { 10693 PackageSetting ps = mSettings.mPackages.get(packageName); 10694 allUsers = sUserManager.getUserIds(); 10695 perUserInstalled = new boolean[allUsers.length]; 10696 for (int i = 0; i < allUsers.length; i++) { 10697 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10698 } 10699 } 10700 10701 synchronized (mInstallLock) { 10702 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10703 res = deletePackageLI(packageName, removeForUser, 10704 true, allUsers, perUserInstalled, 10705 flags | REMOVE_CHATTY, info, true); 10706 systemUpdate = info.isRemovedPackageSystemUpdate; 10707 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10708 removedForAllUsers = true; 10709 } 10710 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10711 + " removedForAllUsers=" + removedForAllUsers); 10712 } 10713 10714 if (res) { 10715 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10716 10717 // If the removed package was a system update, the old system package 10718 // was re-enabled; we need to broadcast this information 10719 if (systemUpdate) { 10720 Bundle extras = new Bundle(1); 10721 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10722 ? info.removedAppId : info.uid); 10723 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10724 10725 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10726 extras, null, null, null); 10727 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10728 extras, null, null, null); 10729 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10730 null, packageName, null, null); 10731 } 10732 } 10733 // Force a gc here. 10734 Runtime.getRuntime().gc(); 10735 // Delete the resources here after sending the broadcast to let 10736 // other processes clean up before deleting resources. 10737 if (info.args != null) { 10738 synchronized (mInstallLock) { 10739 info.args.doPostDeleteLI(true); 10740 } 10741 } 10742 10743 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10744 } 10745 10746 static class PackageRemovedInfo { 10747 String removedPackage; 10748 int uid = -1; 10749 int removedAppId = -1; 10750 int[] removedUsers = null; 10751 boolean isRemovedPackageSystemUpdate = false; 10752 // Clean up resources deleted packages. 10753 InstallArgs args = null; 10754 10755 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10756 Bundle extras = new Bundle(1); 10757 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10758 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10759 if (replacing) { 10760 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10761 } 10762 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10763 if (removedPackage != null) { 10764 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10765 extras, null, null, removedUsers); 10766 if (fullRemove && !replacing) { 10767 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10768 extras, null, null, removedUsers); 10769 } 10770 } 10771 if (removedAppId >= 0) { 10772 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10773 removedUsers); 10774 } 10775 } 10776 } 10777 10778 /* 10779 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10780 * flag is not set, the data directory is removed as well. 10781 * make sure this flag is set for partially installed apps. If not its meaningless to 10782 * delete a partially installed application. 10783 */ 10784 private void removePackageDataLI(PackageSetting ps, 10785 int[] allUserHandles, boolean[] perUserInstalled, 10786 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10787 String packageName = ps.name; 10788 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10789 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10790 // Retrieve object to delete permissions for shared user later on 10791 final PackageSetting deletedPs; 10792 // reader 10793 synchronized (mPackages) { 10794 deletedPs = mSettings.mPackages.get(packageName); 10795 if (outInfo != null) { 10796 outInfo.removedPackage = packageName; 10797 outInfo.removedUsers = deletedPs != null 10798 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10799 : null; 10800 } 10801 } 10802 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10803 removeDataDirsLI(packageName); 10804 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10805 } 10806 // writer 10807 synchronized (mPackages) { 10808 if (deletedPs != null) { 10809 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10810 if (outInfo != null) { 10811 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10812 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10813 } 10814 if (deletedPs != null) { 10815 updatePermissionsLPw(deletedPs.name, null, 0); 10816 if (deletedPs.sharedUser != null) { 10817 // remove permissions associated with package 10818 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10819 } 10820 } 10821 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10822 } 10823 // make sure to preserve per-user disabled state if this removal was just 10824 // a downgrade of a system app to the factory package 10825 if (allUserHandles != null && perUserInstalled != null) { 10826 if (DEBUG_REMOVE) { 10827 Slog.d(TAG, "Propagating install state across downgrade"); 10828 } 10829 for (int i = 0; i < allUserHandles.length; i++) { 10830 if (DEBUG_REMOVE) { 10831 Slog.d(TAG, " user " + allUserHandles[i] 10832 + " => " + perUserInstalled[i]); 10833 } 10834 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10835 } 10836 } 10837 } 10838 // can downgrade to reader 10839 if (writeSettings) { 10840 // Save settings now 10841 mSettings.writeLPr(); 10842 } 10843 } 10844 if (outInfo != null) { 10845 // A user ID was deleted here. Go through all users and remove it 10846 // from KeyStore. 10847 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10848 } 10849 } 10850 10851 static boolean locationIsPrivileged(File path) { 10852 try { 10853 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10854 .getCanonicalPath(); 10855 return path.getCanonicalPath().startsWith(privilegedAppDir); 10856 } catch (IOException e) { 10857 Slog.e(TAG, "Unable to access code path " + path); 10858 } 10859 return false; 10860 } 10861 10862 /* 10863 * Tries to delete system package. 10864 */ 10865 private boolean deleteSystemPackageLI(PackageSetting newPs, 10866 int[] allUserHandles, boolean[] perUserInstalled, 10867 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10868 final boolean applyUserRestrictions 10869 = (allUserHandles != null) && (perUserInstalled != null); 10870 PackageSetting disabledPs = null; 10871 // Confirm if the system package has been updated 10872 // An updated system app can be deleted. This will also have to restore 10873 // the system pkg from system partition 10874 // reader 10875 synchronized (mPackages) { 10876 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10877 } 10878 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10879 + " disabledPs=" + disabledPs); 10880 if (disabledPs == null) { 10881 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10882 return false; 10883 } else if (DEBUG_REMOVE) { 10884 Slog.d(TAG, "Deleting system pkg from data partition"); 10885 } 10886 if (DEBUG_REMOVE) { 10887 if (applyUserRestrictions) { 10888 Slog.d(TAG, "Remembering install states:"); 10889 for (int i = 0; i < allUserHandles.length; i++) { 10890 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10891 } 10892 } 10893 } 10894 // Delete the updated package 10895 outInfo.isRemovedPackageSystemUpdate = true; 10896 if (disabledPs.versionCode < newPs.versionCode) { 10897 // Delete data for downgrades 10898 flags &= ~PackageManager.DELETE_KEEP_DATA; 10899 } else { 10900 // Preserve data by setting flag 10901 flags |= PackageManager.DELETE_KEEP_DATA; 10902 } 10903 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10904 allUserHandles, perUserInstalled, outInfo, writeSettings); 10905 if (!ret) { 10906 return false; 10907 } 10908 // writer 10909 synchronized (mPackages) { 10910 // Reinstate the old system package 10911 mSettings.enableSystemPackageLPw(newPs.name); 10912 // Remove any native libraries from the upgraded package. 10913 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10914 } 10915 // Install the system package 10916 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10917 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10918 if (locationIsPrivileged(disabledPs.codePath)) { 10919 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10920 } 10921 10922 final PackageParser.Package newPkg; 10923 try { 10924 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10925 } catch (PackageManagerException e) { 10926 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10927 return false; 10928 } 10929 10930 // writer 10931 synchronized (mPackages) { 10932 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10933 updatePermissionsLPw(newPkg.packageName, newPkg, 10934 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10935 if (applyUserRestrictions) { 10936 if (DEBUG_REMOVE) { 10937 Slog.d(TAG, "Propagating install state across reinstall"); 10938 } 10939 for (int i = 0; i < allUserHandles.length; i++) { 10940 if (DEBUG_REMOVE) { 10941 Slog.d(TAG, " user " + allUserHandles[i] 10942 + " => " + perUserInstalled[i]); 10943 } 10944 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10945 } 10946 // Regardless of writeSettings we need to ensure that this restriction 10947 // state propagation is persisted 10948 mSettings.writeAllUsersPackageRestrictionsLPr(); 10949 } 10950 // can downgrade to reader here 10951 if (writeSettings) { 10952 mSettings.writeLPr(); 10953 } 10954 } 10955 return true; 10956 } 10957 10958 private boolean deleteInstalledPackageLI(PackageSetting ps, 10959 boolean deleteCodeAndResources, int flags, 10960 int[] allUserHandles, boolean[] perUserInstalled, 10961 PackageRemovedInfo outInfo, boolean writeSettings) { 10962 if (outInfo != null) { 10963 outInfo.uid = ps.appId; 10964 } 10965 10966 // Delete package data from internal structures and also remove data if flag is set 10967 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10968 10969 // Delete application code and resources 10970 if (deleteCodeAndResources && (outInfo != null)) { 10971 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10972 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10973 getAppDexInstructionSets(ps)); 10974 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10975 } 10976 return true; 10977 } 10978 10979 @Override 10980 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10981 int userId) { 10982 mContext.enforceCallingOrSelfPermission( 10983 android.Manifest.permission.DELETE_PACKAGES, null); 10984 synchronized (mPackages) { 10985 PackageSetting ps = mSettings.mPackages.get(packageName); 10986 if (ps == null) { 10987 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10988 return false; 10989 } 10990 if (!ps.getInstalled(userId)) { 10991 // Can't block uninstall for an app that is not installed or enabled. 10992 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10993 return false; 10994 } 10995 ps.setBlockUninstall(blockUninstall, userId); 10996 mSettings.writePackageRestrictionsLPr(userId); 10997 } 10998 return true; 10999 } 11000 11001 @Override 11002 public boolean getBlockUninstallForUser(String packageName, int userId) { 11003 synchronized (mPackages) { 11004 PackageSetting ps = mSettings.mPackages.get(packageName); 11005 if (ps == null) { 11006 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11007 return false; 11008 } 11009 return ps.getBlockUninstall(userId); 11010 } 11011 } 11012 11013 /* 11014 * This method handles package deletion in general 11015 */ 11016 private boolean deletePackageLI(String packageName, UserHandle user, 11017 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11018 int flags, PackageRemovedInfo outInfo, 11019 boolean writeSettings) { 11020 if (packageName == null) { 11021 Slog.w(TAG, "Attempt to delete null packageName."); 11022 return false; 11023 } 11024 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11025 PackageSetting ps; 11026 boolean dataOnly = false; 11027 int removeUser = -1; 11028 int appId = -1; 11029 synchronized (mPackages) { 11030 ps = mSettings.mPackages.get(packageName); 11031 if (ps == null) { 11032 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11033 return false; 11034 } 11035 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11036 && user.getIdentifier() != UserHandle.USER_ALL) { 11037 // The caller is asking that the package only be deleted for a single 11038 // user. To do this, we just mark its uninstalled state and delete 11039 // its data. If this is a system app, we only allow this to happen if 11040 // they have set the special DELETE_SYSTEM_APP which requests different 11041 // semantics than normal for uninstalling system apps. 11042 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11043 ps.setUserState(user.getIdentifier(), 11044 COMPONENT_ENABLED_STATE_DEFAULT, 11045 false, //installed 11046 true, //stopped 11047 true, //notLaunched 11048 false, //hidden 11049 null, null, null, 11050 false // blockUninstall 11051 ); 11052 if (!isSystemApp(ps)) { 11053 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11054 // Other user still have this package installed, so all 11055 // we need to do is clear this user's data and save that 11056 // it is uninstalled. 11057 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11058 removeUser = user.getIdentifier(); 11059 appId = ps.appId; 11060 mSettings.writePackageRestrictionsLPr(removeUser); 11061 } else { 11062 // We need to set it back to 'installed' so the uninstall 11063 // broadcasts will be sent correctly. 11064 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11065 ps.setInstalled(true, user.getIdentifier()); 11066 } 11067 } else { 11068 // This is a system app, so we assume that the 11069 // other users still have this package installed, so all 11070 // we need to do is clear this user's data and save that 11071 // it is uninstalled. 11072 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11073 removeUser = user.getIdentifier(); 11074 appId = ps.appId; 11075 mSettings.writePackageRestrictionsLPr(removeUser); 11076 } 11077 } 11078 } 11079 11080 if (removeUser >= 0) { 11081 // From above, we determined that we are deleting this only 11082 // for a single user. Continue the work here. 11083 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11084 if (outInfo != null) { 11085 outInfo.removedPackage = packageName; 11086 outInfo.removedAppId = appId; 11087 outInfo.removedUsers = new int[] {removeUser}; 11088 } 11089 mInstaller.clearUserData(packageName, removeUser); 11090 removeKeystoreDataIfNeeded(removeUser, appId); 11091 schedulePackageCleaning(packageName, removeUser, false); 11092 return true; 11093 } 11094 11095 if (dataOnly) { 11096 // Delete application data first 11097 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11098 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11099 return true; 11100 } 11101 11102 boolean ret = false; 11103 if (isSystemApp(ps)) { 11104 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11105 // When an updated system application is deleted we delete the existing resources as well and 11106 // fall back to existing code in system partition 11107 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11108 flags, outInfo, writeSettings); 11109 } else { 11110 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11111 // Kill application pre-emptively especially for apps on sd. 11112 killApplication(packageName, ps.appId, "uninstall pkg"); 11113 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11114 allUserHandles, perUserInstalled, 11115 outInfo, writeSettings); 11116 } 11117 11118 return ret; 11119 } 11120 11121 private final class ClearStorageConnection implements ServiceConnection { 11122 IMediaContainerService mContainerService; 11123 11124 @Override 11125 public void onServiceConnected(ComponentName name, IBinder service) { 11126 synchronized (this) { 11127 mContainerService = IMediaContainerService.Stub.asInterface(service); 11128 notifyAll(); 11129 } 11130 } 11131 11132 @Override 11133 public void onServiceDisconnected(ComponentName name) { 11134 } 11135 } 11136 11137 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11138 final boolean mounted; 11139 if (Environment.isExternalStorageEmulated()) { 11140 mounted = true; 11141 } else { 11142 final String status = Environment.getExternalStorageState(); 11143 11144 mounted = status.equals(Environment.MEDIA_MOUNTED) 11145 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11146 } 11147 11148 if (!mounted) { 11149 return; 11150 } 11151 11152 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11153 int[] users; 11154 if (userId == UserHandle.USER_ALL) { 11155 users = sUserManager.getUserIds(); 11156 } else { 11157 users = new int[] { userId }; 11158 } 11159 final ClearStorageConnection conn = new ClearStorageConnection(); 11160 if (mContext.bindServiceAsUser( 11161 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11162 try { 11163 for (int curUser : users) { 11164 long timeout = SystemClock.uptimeMillis() + 5000; 11165 synchronized (conn) { 11166 long now = SystemClock.uptimeMillis(); 11167 while (conn.mContainerService == null && now < timeout) { 11168 try { 11169 conn.wait(timeout - now); 11170 } catch (InterruptedException e) { 11171 } 11172 } 11173 } 11174 if (conn.mContainerService == null) { 11175 return; 11176 } 11177 11178 final UserEnvironment userEnv = new UserEnvironment(curUser); 11179 clearDirectory(conn.mContainerService, 11180 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11181 if (allData) { 11182 clearDirectory(conn.mContainerService, 11183 userEnv.buildExternalStorageAppDataDirs(packageName)); 11184 clearDirectory(conn.mContainerService, 11185 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11186 } 11187 } 11188 } finally { 11189 mContext.unbindService(conn); 11190 } 11191 } 11192 } 11193 11194 @Override 11195 public void clearApplicationUserData(final String packageName, 11196 final IPackageDataObserver observer, final int userId) { 11197 mContext.enforceCallingOrSelfPermission( 11198 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11199 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11200 // Queue up an async operation since the package deletion may take a little while. 11201 mHandler.post(new Runnable() { 11202 public void run() { 11203 mHandler.removeCallbacks(this); 11204 final boolean succeeded; 11205 synchronized (mInstallLock) { 11206 succeeded = clearApplicationUserDataLI(packageName, userId); 11207 } 11208 clearExternalStorageDataSync(packageName, userId, true); 11209 if (succeeded) { 11210 // invoke DeviceStorageMonitor's update method to clear any notifications 11211 DeviceStorageMonitorInternal 11212 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11213 if (dsm != null) { 11214 dsm.checkMemory(); 11215 } 11216 } 11217 if(observer != null) { 11218 try { 11219 observer.onRemoveCompleted(packageName, succeeded); 11220 } catch (RemoteException e) { 11221 Log.i(TAG, "Observer no longer exists."); 11222 } 11223 } //end if observer 11224 } //end run 11225 }); 11226 } 11227 11228 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11229 if (packageName == null) { 11230 Slog.w(TAG, "Attempt to delete null packageName."); 11231 return false; 11232 } 11233 11234 // Try finding details about the requested package 11235 PackageParser.Package pkg; 11236 synchronized (mPackages) { 11237 pkg = mPackages.get(packageName); 11238 if (pkg == null) { 11239 final PackageSetting ps = mSettings.mPackages.get(packageName); 11240 if (ps != null) { 11241 pkg = ps.pkg; 11242 } 11243 } 11244 } 11245 11246 if (pkg == null) { 11247 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11248 } 11249 11250 // Always delete data directories for package, even if we found no other 11251 // record of app. This helps users recover from UID mismatches without 11252 // resorting to a full data wipe. 11253 int retCode = mInstaller.clearUserData(packageName, userId); 11254 if (retCode < 0) { 11255 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11256 return false; 11257 } 11258 11259 if (pkg == null) { 11260 return false; 11261 } 11262 11263 if (pkg != null && pkg.applicationInfo != null) { 11264 final int appId = pkg.applicationInfo.uid; 11265 removeKeystoreDataIfNeeded(userId, appId); 11266 } 11267 11268 // Create a native library symlink only if we have native libraries 11269 // and if the native libraries are 32 bit libraries. We do not provide 11270 // this symlink for 64 bit libraries. 11271 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11272 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11273 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11274 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11275 Slog.w(TAG, "Failed linking native library dir"); 11276 return false; 11277 } 11278 } 11279 11280 return true; 11281 } 11282 11283 /** 11284 * Remove entries from the keystore daemon. Will only remove it if the 11285 * {@code appId} is valid. 11286 */ 11287 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11288 if (appId < 0) { 11289 return; 11290 } 11291 11292 final KeyStore keyStore = KeyStore.getInstance(); 11293 if (keyStore != null) { 11294 if (userId == UserHandle.USER_ALL) { 11295 for (final int individual : sUserManager.getUserIds()) { 11296 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11297 } 11298 } else { 11299 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11300 } 11301 } else { 11302 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11303 } 11304 } 11305 11306 @Override 11307 public void deleteApplicationCacheFiles(final String packageName, 11308 final IPackageDataObserver observer) { 11309 mContext.enforceCallingOrSelfPermission( 11310 android.Manifest.permission.DELETE_CACHE_FILES, null); 11311 // Queue up an async operation since the package deletion may take a little while. 11312 final int userId = UserHandle.getCallingUserId(); 11313 mHandler.post(new Runnable() { 11314 public void run() { 11315 mHandler.removeCallbacks(this); 11316 final boolean succeded; 11317 synchronized (mInstallLock) { 11318 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11319 } 11320 clearExternalStorageDataSync(packageName, userId, false); 11321 if(observer != null) { 11322 try { 11323 observer.onRemoveCompleted(packageName, succeded); 11324 } catch (RemoteException e) { 11325 Log.i(TAG, "Observer no longer exists."); 11326 } 11327 } //end if observer 11328 } //end run 11329 }); 11330 } 11331 11332 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11333 if (packageName == null) { 11334 Slog.w(TAG, "Attempt to delete null packageName."); 11335 return false; 11336 } 11337 PackageParser.Package p; 11338 synchronized (mPackages) { 11339 p = mPackages.get(packageName); 11340 } 11341 if (p == null) { 11342 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11343 return false; 11344 } 11345 final ApplicationInfo applicationInfo = p.applicationInfo; 11346 if (applicationInfo == null) { 11347 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11348 return false; 11349 } 11350 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11351 if (retCode < 0) { 11352 Slog.w(TAG, "Couldn't remove cache files for package: " 11353 + packageName + " u" + userId); 11354 return false; 11355 } 11356 return true; 11357 } 11358 11359 @Override 11360 public void getPackageSizeInfo(final String packageName, int userHandle, 11361 final IPackageStatsObserver observer) { 11362 mContext.enforceCallingOrSelfPermission( 11363 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11364 if (packageName == null) { 11365 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11366 } 11367 11368 PackageStats stats = new PackageStats(packageName, userHandle); 11369 11370 /* 11371 * Queue up an async operation since the package measurement may take a 11372 * little while. 11373 */ 11374 Message msg = mHandler.obtainMessage(INIT_COPY); 11375 msg.obj = new MeasureParams(stats, observer); 11376 mHandler.sendMessage(msg); 11377 } 11378 11379 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11380 PackageStats pStats) { 11381 if (packageName == null) { 11382 Slog.w(TAG, "Attempt to get size of null packageName."); 11383 return false; 11384 } 11385 PackageParser.Package p; 11386 boolean dataOnly = false; 11387 String libDirRoot = null; 11388 String asecPath = null; 11389 PackageSetting ps = null; 11390 synchronized (mPackages) { 11391 p = mPackages.get(packageName); 11392 ps = mSettings.mPackages.get(packageName); 11393 if(p == null) { 11394 dataOnly = true; 11395 if((ps == null) || (ps.pkg == null)) { 11396 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11397 return false; 11398 } 11399 p = ps.pkg; 11400 } 11401 if (ps != null) { 11402 libDirRoot = ps.legacyNativeLibraryPathString; 11403 } 11404 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11405 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11406 if (secureContainerId != null) { 11407 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11408 } 11409 } 11410 } 11411 String publicSrcDir = null; 11412 if(!dataOnly) { 11413 final ApplicationInfo applicationInfo = p.applicationInfo; 11414 if (applicationInfo == null) { 11415 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11416 return false; 11417 } 11418 if (p.isForwardLocked()) { 11419 publicSrcDir = applicationInfo.getBaseResourcePath(); 11420 } 11421 } 11422 // TODO: extend to measure size of split APKs 11423 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11424 // not just the first level. 11425 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11426 // just the primary. 11427 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11428 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11429 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11430 if (res < 0) { 11431 return false; 11432 } 11433 11434 // Fix-up for forward-locked applications in ASEC containers. 11435 if (!isExternal(p)) { 11436 pStats.codeSize += pStats.externalCodeSize; 11437 pStats.externalCodeSize = 0L; 11438 } 11439 11440 return true; 11441 } 11442 11443 11444 @Override 11445 public void addPackageToPreferred(String packageName) { 11446 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11447 } 11448 11449 @Override 11450 public void removePackageFromPreferred(String packageName) { 11451 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11452 } 11453 11454 @Override 11455 public List<PackageInfo> getPreferredPackages(int flags) { 11456 return new ArrayList<PackageInfo>(); 11457 } 11458 11459 private int getUidTargetSdkVersionLockedLPr(int uid) { 11460 Object obj = mSettings.getUserIdLPr(uid); 11461 if (obj instanceof SharedUserSetting) { 11462 final SharedUserSetting sus = (SharedUserSetting) obj; 11463 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11464 final Iterator<PackageSetting> it = sus.packages.iterator(); 11465 while (it.hasNext()) { 11466 final PackageSetting ps = it.next(); 11467 if (ps.pkg != null) { 11468 int v = ps.pkg.applicationInfo.targetSdkVersion; 11469 if (v < vers) vers = v; 11470 } 11471 } 11472 return vers; 11473 } else if (obj instanceof PackageSetting) { 11474 final PackageSetting ps = (PackageSetting) obj; 11475 if (ps.pkg != null) { 11476 return ps.pkg.applicationInfo.targetSdkVersion; 11477 } 11478 } 11479 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11480 } 11481 11482 @Override 11483 public void addPreferredActivity(IntentFilter filter, int match, 11484 ComponentName[] set, ComponentName activity, int userId) { 11485 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11486 "Adding preferred"); 11487 } 11488 11489 private void addPreferredActivityInternal(IntentFilter filter, int match, 11490 ComponentName[] set, ComponentName activity, boolean always, int userId, 11491 String opname) { 11492 // writer 11493 int callingUid = Binder.getCallingUid(); 11494 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11495 if (filter.countActions() == 0) { 11496 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11497 return; 11498 } 11499 synchronized (mPackages) { 11500 if (mContext.checkCallingOrSelfPermission( 11501 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11502 != PackageManager.PERMISSION_GRANTED) { 11503 if (getUidTargetSdkVersionLockedLPr(callingUid) 11504 < Build.VERSION_CODES.FROYO) { 11505 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11506 + callingUid); 11507 return; 11508 } 11509 mContext.enforceCallingOrSelfPermission( 11510 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11511 } 11512 11513 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11514 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11515 + userId + ":"); 11516 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11517 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11518 scheduleWritePackageRestrictionsLocked(userId); 11519 } 11520 } 11521 11522 @Override 11523 public void replacePreferredActivity(IntentFilter filter, int match, 11524 ComponentName[] set, ComponentName activity, int userId) { 11525 if (filter.countActions() != 1) { 11526 throw new IllegalArgumentException( 11527 "replacePreferredActivity expects filter to have only 1 action."); 11528 } 11529 if (filter.countDataAuthorities() != 0 11530 || filter.countDataPaths() != 0 11531 || filter.countDataSchemes() > 1 11532 || filter.countDataTypes() != 0) { 11533 throw new IllegalArgumentException( 11534 "replacePreferredActivity expects filter to have no data authorities, " + 11535 "paths, or types; and at most one scheme."); 11536 } 11537 11538 final int callingUid = Binder.getCallingUid(); 11539 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11540 synchronized (mPackages) { 11541 if (mContext.checkCallingOrSelfPermission( 11542 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11543 != PackageManager.PERMISSION_GRANTED) { 11544 if (getUidTargetSdkVersionLockedLPr(callingUid) 11545 < Build.VERSION_CODES.FROYO) { 11546 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11547 + Binder.getCallingUid()); 11548 return; 11549 } 11550 mContext.enforceCallingOrSelfPermission( 11551 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11552 } 11553 11554 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11555 if (pir != null) { 11556 // Get all of the existing entries that exactly match this filter. 11557 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11558 if (existing != null && existing.size() == 1) { 11559 PreferredActivity cur = existing.get(0); 11560 if (DEBUG_PREFERRED) { 11561 Slog.i(TAG, "Checking replace of preferred:"); 11562 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11563 if (!cur.mPref.mAlways) { 11564 Slog.i(TAG, " -- CUR; not mAlways!"); 11565 } else { 11566 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11567 Slog.i(TAG, " -- CUR: mSet=" 11568 + Arrays.toString(cur.mPref.mSetComponents)); 11569 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11570 Slog.i(TAG, " -- NEW: mMatch=" 11571 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11572 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11573 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11574 } 11575 } 11576 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11577 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11578 && cur.mPref.sameSet(set)) { 11579 // Setting the preferred activity to what it happens to be already 11580 if (DEBUG_PREFERRED) { 11581 Slog.i(TAG, "Replacing with same preferred activity " 11582 + cur.mPref.mShortComponent + " for user " 11583 + userId + ":"); 11584 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11585 } 11586 return; 11587 } 11588 } 11589 11590 if (existing != null) { 11591 if (DEBUG_PREFERRED) { 11592 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11593 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11594 } 11595 for (int i = 0; i < existing.size(); i++) { 11596 PreferredActivity pa = existing.get(i); 11597 if (DEBUG_PREFERRED) { 11598 Slog.i(TAG, "Removing existing preferred activity " 11599 + pa.mPref.mComponent + ":"); 11600 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11601 } 11602 pir.removeFilter(pa); 11603 } 11604 } 11605 } 11606 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11607 "Replacing preferred"); 11608 } 11609 } 11610 11611 @Override 11612 public void clearPackagePreferredActivities(String packageName) { 11613 final int uid = Binder.getCallingUid(); 11614 // writer 11615 synchronized (mPackages) { 11616 PackageParser.Package pkg = mPackages.get(packageName); 11617 if (pkg == null || pkg.applicationInfo.uid != uid) { 11618 if (mContext.checkCallingOrSelfPermission( 11619 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11620 != PackageManager.PERMISSION_GRANTED) { 11621 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11622 < Build.VERSION_CODES.FROYO) { 11623 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11624 + Binder.getCallingUid()); 11625 return; 11626 } 11627 mContext.enforceCallingOrSelfPermission( 11628 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11629 } 11630 } 11631 11632 int user = UserHandle.getCallingUserId(); 11633 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11634 scheduleWritePackageRestrictionsLocked(user); 11635 } 11636 } 11637 } 11638 11639 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11640 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11641 ArrayList<PreferredActivity> removed = null; 11642 boolean changed = false; 11643 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11644 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11645 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11646 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11647 continue; 11648 } 11649 Iterator<PreferredActivity> it = pir.filterIterator(); 11650 while (it.hasNext()) { 11651 PreferredActivity pa = it.next(); 11652 // Mark entry for removal only if it matches the package name 11653 // and the entry is of type "always". 11654 if (packageName == null || 11655 (pa.mPref.mComponent.getPackageName().equals(packageName) 11656 && pa.mPref.mAlways)) { 11657 if (removed == null) { 11658 removed = new ArrayList<PreferredActivity>(); 11659 } 11660 removed.add(pa); 11661 } 11662 } 11663 if (removed != null) { 11664 for (int j=0; j<removed.size(); j++) { 11665 PreferredActivity pa = removed.get(j); 11666 pir.removeFilter(pa); 11667 } 11668 changed = true; 11669 } 11670 } 11671 return changed; 11672 } 11673 11674 @Override 11675 public void resetPreferredActivities(int userId) { 11676 /* TODO: Actually use userId. Why is it being passed in? */ 11677 mContext.enforceCallingOrSelfPermission( 11678 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11679 // writer 11680 synchronized (mPackages) { 11681 int user = UserHandle.getCallingUserId(); 11682 clearPackagePreferredActivitiesLPw(null, user); 11683 mSettings.readDefaultPreferredAppsLPw(this, user); 11684 scheduleWritePackageRestrictionsLocked(user); 11685 } 11686 } 11687 11688 @Override 11689 public int getPreferredActivities(List<IntentFilter> outFilters, 11690 List<ComponentName> outActivities, String packageName) { 11691 11692 int num = 0; 11693 final int userId = UserHandle.getCallingUserId(); 11694 // reader 11695 synchronized (mPackages) { 11696 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11697 if (pir != null) { 11698 final Iterator<PreferredActivity> it = pir.filterIterator(); 11699 while (it.hasNext()) { 11700 final PreferredActivity pa = it.next(); 11701 if (packageName == null 11702 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11703 && pa.mPref.mAlways)) { 11704 if (outFilters != null) { 11705 outFilters.add(new IntentFilter(pa)); 11706 } 11707 if (outActivities != null) { 11708 outActivities.add(pa.mPref.mComponent); 11709 } 11710 } 11711 } 11712 } 11713 } 11714 11715 return num; 11716 } 11717 11718 @Override 11719 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11720 int userId) { 11721 int callingUid = Binder.getCallingUid(); 11722 if (callingUid != Process.SYSTEM_UID) { 11723 throw new SecurityException( 11724 "addPersistentPreferredActivity can only be run by the system"); 11725 } 11726 if (filter.countActions() == 0) { 11727 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11728 return; 11729 } 11730 synchronized (mPackages) { 11731 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11732 " :"); 11733 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11734 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11735 new PersistentPreferredActivity(filter, activity)); 11736 scheduleWritePackageRestrictionsLocked(userId); 11737 } 11738 } 11739 11740 @Override 11741 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11742 int callingUid = Binder.getCallingUid(); 11743 if (callingUid != Process.SYSTEM_UID) { 11744 throw new SecurityException( 11745 "clearPackagePersistentPreferredActivities can only be run by the system"); 11746 } 11747 ArrayList<PersistentPreferredActivity> removed = null; 11748 boolean changed = false; 11749 synchronized (mPackages) { 11750 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11751 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11752 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11753 .valueAt(i); 11754 if (userId != thisUserId) { 11755 continue; 11756 } 11757 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11758 while (it.hasNext()) { 11759 PersistentPreferredActivity ppa = it.next(); 11760 // Mark entry for removal only if it matches the package name. 11761 if (ppa.mComponent.getPackageName().equals(packageName)) { 11762 if (removed == null) { 11763 removed = new ArrayList<PersistentPreferredActivity>(); 11764 } 11765 removed.add(ppa); 11766 } 11767 } 11768 if (removed != null) { 11769 for (int j=0; j<removed.size(); j++) { 11770 PersistentPreferredActivity ppa = removed.get(j); 11771 ppir.removeFilter(ppa); 11772 } 11773 changed = true; 11774 } 11775 } 11776 11777 if (changed) { 11778 scheduleWritePackageRestrictionsLocked(userId); 11779 } 11780 } 11781 } 11782 11783 @Override 11784 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11785 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11786 mContext.enforceCallingOrSelfPermission( 11787 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11788 int callingUid = Binder.getCallingUid(); 11789 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11790 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11791 if (intentFilter.countActions() == 0) { 11792 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11793 return; 11794 } 11795 synchronized (mPackages) { 11796 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11797 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11798 CrossProfileIntentResolver resolver = 11799 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11800 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11801 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11802 if (existing != null) { 11803 int size = existing.size(); 11804 for (int i = 0; i < size; i++) { 11805 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11806 return; 11807 } 11808 } 11809 } 11810 resolver.addFilter(newFilter); 11811 scheduleWritePackageRestrictionsLocked(sourceUserId); 11812 } 11813 } 11814 11815 @Override 11816 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11817 int ownerUserId) { 11818 mContext.enforceCallingOrSelfPermission( 11819 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11820 int callingUid = Binder.getCallingUid(); 11821 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11822 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11823 int callingUserId = UserHandle.getUserId(callingUid); 11824 synchronized (mPackages) { 11825 CrossProfileIntentResolver resolver = 11826 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11827 ArraySet<CrossProfileIntentFilter> set = 11828 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11829 for (CrossProfileIntentFilter filter : set) { 11830 if (filter.getOwnerPackage().equals(ownerPackage) 11831 && filter.getOwnerUserId() == callingUserId) { 11832 resolver.removeFilter(filter); 11833 } 11834 } 11835 scheduleWritePackageRestrictionsLocked(sourceUserId); 11836 } 11837 } 11838 11839 // Enforcing that callingUid is owning pkg on userId 11840 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11841 // The system owns everything. 11842 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11843 return; 11844 } 11845 int callingUserId = UserHandle.getUserId(callingUid); 11846 if (callingUserId != userId) { 11847 throw new SecurityException("calling uid " + callingUid 11848 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11849 + callingUserId); 11850 } 11851 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11852 if (pi == null) { 11853 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11854 + callingUserId); 11855 } 11856 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11857 throw new SecurityException("Calling uid " + callingUid 11858 + " does not own package " + pkg); 11859 } 11860 } 11861 11862 @Override 11863 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11864 Intent intent = new Intent(Intent.ACTION_MAIN); 11865 intent.addCategory(Intent.CATEGORY_HOME); 11866 11867 final int callingUserId = UserHandle.getCallingUserId(); 11868 List<ResolveInfo> list = queryIntentActivities(intent, null, 11869 PackageManager.GET_META_DATA, callingUserId); 11870 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11871 true, false, false, callingUserId); 11872 11873 allHomeCandidates.clear(); 11874 if (list != null) { 11875 for (ResolveInfo ri : list) { 11876 allHomeCandidates.add(ri); 11877 } 11878 } 11879 return (preferred == null || preferred.activityInfo == null) 11880 ? null 11881 : new ComponentName(preferred.activityInfo.packageName, 11882 preferred.activityInfo.name); 11883 } 11884 11885 @Override 11886 public void setApplicationEnabledSetting(String appPackageName, 11887 int newState, int flags, int userId, String callingPackage) { 11888 if (!sUserManager.exists(userId)) return; 11889 if (callingPackage == null) { 11890 callingPackage = Integer.toString(Binder.getCallingUid()); 11891 } 11892 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11893 } 11894 11895 @Override 11896 public void setComponentEnabledSetting(ComponentName componentName, 11897 int newState, int flags, int userId) { 11898 if (!sUserManager.exists(userId)) return; 11899 setEnabledSetting(componentName.getPackageName(), 11900 componentName.getClassName(), newState, flags, userId, null); 11901 } 11902 11903 private void setEnabledSetting(final String packageName, String className, int newState, 11904 final int flags, int userId, String callingPackage) { 11905 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11906 || newState == COMPONENT_ENABLED_STATE_ENABLED 11907 || newState == COMPONENT_ENABLED_STATE_DISABLED 11908 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11909 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11910 throw new IllegalArgumentException("Invalid new component state: " 11911 + newState); 11912 } 11913 PackageSetting pkgSetting; 11914 final int uid = Binder.getCallingUid(); 11915 final int permission = mContext.checkCallingOrSelfPermission( 11916 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11917 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11918 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11919 boolean sendNow = false; 11920 boolean isApp = (className == null); 11921 String componentName = isApp ? packageName : className; 11922 int packageUid = -1; 11923 ArrayList<String> components; 11924 11925 // writer 11926 synchronized (mPackages) { 11927 pkgSetting = mSettings.mPackages.get(packageName); 11928 if (pkgSetting == null) { 11929 if (className == null) { 11930 throw new IllegalArgumentException( 11931 "Unknown package: " + packageName); 11932 } 11933 throw new IllegalArgumentException( 11934 "Unknown component: " + packageName 11935 + "/" + className); 11936 } 11937 // Allow root and verify that userId is not being specified by a different user 11938 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11939 throw new SecurityException( 11940 "Permission Denial: attempt to change component state from pid=" 11941 + Binder.getCallingPid() 11942 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11943 } 11944 if (className == null) { 11945 // We're dealing with an application/package level state change 11946 if (pkgSetting.getEnabled(userId) == newState) { 11947 // Nothing to do 11948 return; 11949 } 11950 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11951 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11952 // Don't care about who enables an app. 11953 callingPackage = null; 11954 } 11955 pkgSetting.setEnabled(newState, userId, callingPackage); 11956 // pkgSetting.pkg.mSetEnabled = newState; 11957 } else { 11958 // We're dealing with a component level state change 11959 // First, verify that this is a valid class name. 11960 PackageParser.Package pkg = pkgSetting.pkg; 11961 if (pkg == null || !pkg.hasComponentClassName(className)) { 11962 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11963 throw new IllegalArgumentException("Component class " + className 11964 + " does not exist in " + packageName); 11965 } else { 11966 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11967 + className + " does not exist in " + packageName); 11968 } 11969 } 11970 switch (newState) { 11971 case COMPONENT_ENABLED_STATE_ENABLED: 11972 if (!pkgSetting.enableComponentLPw(className, userId)) { 11973 return; 11974 } 11975 break; 11976 case COMPONENT_ENABLED_STATE_DISABLED: 11977 if (!pkgSetting.disableComponentLPw(className, userId)) { 11978 return; 11979 } 11980 break; 11981 case COMPONENT_ENABLED_STATE_DEFAULT: 11982 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11983 return; 11984 } 11985 break; 11986 default: 11987 Slog.e(TAG, "Invalid new component state: " + newState); 11988 return; 11989 } 11990 } 11991 mSettings.writePackageRestrictionsLPr(userId); 11992 components = mPendingBroadcasts.get(userId, packageName); 11993 final boolean newPackage = components == null; 11994 if (newPackage) { 11995 components = new ArrayList<String>(); 11996 } 11997 if (!components.contains(componentName)) { 11998 components.add(componentName); 11999 } 12000 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12001 sendNow = true; 12002 // Purge entry from pending broadcast list if another one exists already 12003 // since we are sending one right away. 12004 mPendingBroadcasts.remove(userId, packageName); 12005 } else { 12006 if (newPackage) { 12007 mPendingBroadcasts.put(userId, packageName, components); 12008 } 12009 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12010 // Schedule a message 12011 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12012 } 12013 } 12014 } 12015 12016 long callingId = Binder.clearCallingIdentity(); 12017 try { 12018 if (sendNow) { 12019 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12020 sendPackageChangedBroadcast(packageName, 12021 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12022 } 12023 } finally { 12024 Binder.restoreCallingIdentity(callingId); 12025 } 12026 } 12027 12028 private void sendPackageChangedBroadcast(String packageName, 12029 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12030 if (DEBUG_INSTALL) 12031 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12032 + componentNames); 12033 Bundle extras = new Bundle(4); 12034 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12035 String nameList[] = new String[componentNames.size()]; 12036 componentNames.toArray(nameList); 12037 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12038 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12039 extras.putInt(Intent.EXTRA_UID, packageUid); 12040 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12041 new int[] {UserHandle.getUserId(packageUid)}); 12042 } 12043 12044 @Override 12045 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12046 if (!sUserManager.exists(userId)) return; 12047 final int uid = Binder.getCallingUid(); 12048 final int permission = mContext.checkCallingOrSelfPermission( 12049 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12050 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12051 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12052 // writer 12053 synchronized (mPackages) { 12054 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12055 uid, userId)) { 12056 scheduleWritePackageRestrictionsLocked(userId); 12057 } 12058 } 12059 } 12060 12061 @Override 12062 public String getInstallerPackageName(String packageName) { 12063 // reader 12064 synchronized (mPackages) { 12065 return mSettings.getInstallerPackageNameLPr(packageName); 12066 } 12067 } 12068 12069 @Override 12070 public int getApplicationEnabledSetting(String packageName, int userId) { 12071 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12072 int uid = Binder.getCallingUid(); 12073 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12074 // reader 12075 synchronized (mPackages) { 12076 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12077 } 12078 } 12079 12080 @Override 12081 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12082 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12083 int uid = Binder.getCallingUid(); 12084 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12085 // reader 12086 synchronized (mPackages) { 12087 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12088 } 12089 } 12090 12091 @Override 12092 public void enterSafeMode() { 12093 enforceSystemOrRoot("Only the system can request entering safe mode"); 12094 12095 if (!mSystemReady) { 12096 mSafeMode = true; 12097 } 12098 } 12099 12100 @Override 12101 public void systemReady() { 12102 mSystemReady = true; 12103 12104 // Read the compatibilty setting when the system is ready. 12105 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12106 mContext.getContentResolver(), 12107 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12108 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12109 if (DEBUG_SETTINGS) { 12110 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12111 } 12112 12113 synchronized (mPackages) { 12114 // Verify that all of the preferred activity components actually 12115 // exist. It is possible for applications to be updated and at 12116 // that point remove a previously declared activity component that 12117 // had been set as a preferred activity. We try to clean this up 12118 // the next time we encounter that preferred activity, but it is 12119 // possible for the user flow to never be able to return to that 12120 // situation so here we do a sanity check to make sure we haven't 12121 // left any junk around. 12122 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12123 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12124 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12125 removed.clear(); 12126 for (PreferredActivity pa : pir.filterSet()) { 12127 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12128 removed.add(pa); 12129 } 12130 } 12131 if (removed.size() > 0) { 12132 for (int r=0; r<removed.size(); r++) { 12133 PreferredActivity pa = removed.get(r); 12134 Slog.w(TAG, "Removing dangling preferred activity: " 12135 + pa.mPref.mComponent); 12136 pir.removeFilter(pa); 12137 } 12138 mSettings.writePackageRestrictionsLPr( 12139 mSettings.mPreferredActivities.keyAt(i)); 12140 } 12141 } 12142 } 12143 sUserManager.systemReady(); 12144 12145 // Kick off any messages waiting for system ready 12146 if (mPostSystemReadyMessages != null) { 12147 for (Message msg : mPostSystemReadyMessages) { 12148 msg.sendToTarget(); 12149 } 12150 mPostSystemReadyMessages = null; 12151 } 12152 } 12153 12154 @Override 12155 public boolean isSafeMode() { 12156 return mSafeMode; 12157 } 12158 12159 @Override 12160 public boolean hasSystemUidErrors() { 12161 return mHasSystemUidErrors; 12162 } 12163 12164 static String arrayToString(int[] array) { 12165 StringBuffer buf = new StringBuffer(128); 12166 buf.append('['); 12167 if (array != null) { 12168 for (int i=0; i<array.length; i++) { 12169 if (i > 0) buf.append(", "); 12170 buf.append(array[i]); 12171 } 12172 } 12173 buf.append(']'); 12174 return buf.toString(); 12175 } 12176 12177 static class DumpState { 12178 public static final int DUMP_LIBS = 1 << 0; 12179 public static final int DUMP_FEATURES = 1 << 1; 12180 public static final int DUMP_RESOLVERS = 1 << 2; 12181 public static final int DUMP_PERMISSIONS = 1 << 3; 12182 public static final int DUMP_PACKAGES = 1 << 4; 12183 public static final int DUMP_SHARED_USERS = 1 << 5; 12184 public static final int DUMP_MESSAGES = 1 << 6; 12185 public static final int DUMP_PROVIDERS = 1 << 7; 12186 public static final int DUMP_VERIFIERS = 1 << 8; 12187 public static final int DUMP_PREFERRED = 1 << 9; 12188 public static final int DUMP_PREFERRED_XML = 1 << 10; 12189 public static final int DUMP_KEYSETS = 1 << 11; 12190 public static final int DUMP_VERSION = 1 << 12; 12191 public static final int DUMP_INSTALLS = 1 << 13; 12192 12193 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12194 12195 private int mTypes; 12196 12197 private int mOptions; 12198 12199 private boolean mTitlePrinted; 12200 12201 private SharedUserSetting mSharedUser; 12202 12203 public boolean isDumping(int type) { 12204 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12205 return true; 12206 } 12207 12208 return (mTypes & type) != 0; 12209 } 12210 12211 public void setDump(int type) { 12212 mTypes |= type; 12213 } 12214 12215 public boolean isOptionEnabled(int option) { 12216 return (mOptions & option) != 0; 12217 } 12218 12219 public void setOptionEnabled(int option) { 12220 mOptions |= option; 12221 } 12222 12223 public boolean onTitlePrinted() { 12224 final boolean printed = mTitlePrinted; 12225 mTitlePrinted = true; 12226 return printed; 12227 } 12228 12229 public boolean getTitlePrinted() { 12230 return mTitlePrinted; 12231 } 12232 12233 public void setTitlePrinted(boolean enabled) { 12234 mTitlePrinted = enabled; 12235 } 12236 12237 public SharedUserSetting getSharedUser() { 12238 return mSharedUser; 12239 } 12240 12241 public void setSharedUser(SharedUserSetting user) { 12242 mSharedUser = user; 12243 } 12244 } 12245 12246 @Override 12247 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12248 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12249 != PackageManager.PERMISSION_GRANTED) { 12250 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12251 + Binder.getCallingPid() 12252 + ", uid=" + Binder.getCallingUid() 12253 + " without permission " 12254 + android.Manifest.permission.DUMP); 12255 return; 12256 } 12257 12258 DumpState dumpState = new DumpState(); 12259 boolean fullPreferred = false; 12260 boolean checkin = false; 12261 12262 String packageName = null; 12263 12264 int opti = 0; 12265 while (opti < args.length) { 12266 String opt = args[opti]; 12267 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12268 break; 12269 } 12270 opti++; 12271 12272 if ("-a".equals(opt)) { 12273 // Right now we only know how to print all. 12274 } else if ("-h".equals(opt)) { 12275 pw.println("Package manager dump options:"); 12276 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12277 pw.println(" --checkin: dump for a checkin"); 12278 pw.println(" -f: print details of intent filters"); 12279 pw.println(" -h: print this help"); 12280 pw.println(" cmd may be one of:"); 12281 pw.println(" l[ibraries]: list known shared libraries"); 12282 pw.println(" f[ibraries]: list device features"); 12283 pw.println(" k[eysets]: print known keysets"); 12284 pw.println(" r[esolvers]: dump intent resolvers"); 12285 pw.println(" perm[issions]: dump permissions"); 12286 pw.println(" pref[erred]: print preferred package settings"); 12287 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12288 pw.println(" prov[iders]: dump content providers"); 12289 pw.println(" p[ackages]: dump installed packages"); 12290 pw.println(" s[hared-users]: dump shared user IDs"); 12291 pw.println(" m[essages]: print collected runtime messages"); 12292 pw.println(" v[erifiers]: print package verifier info"); 12293 pw.println(" version: print database version info"); 12294 pw.println(" write: write current settings now"); 12295 pw.println(" <package.name>: info about given package"); 12296 pw.println(" installs: details about install sessions"); 12297 return; 12298 } else if ("--checkin".equals(opt)) { 12299 checkin = true; 12300 } else if ("-f".equals(opt)) { 12301 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12302 } else { 12303 pw.println("Unknown argument: " + opt + "; use -h for help"); 12304 } 12305 } 12306 12307 // Is the caller requesting to dump a particular piece of data? 12308 if (opti < args.length) { 12309 String cmd = args[opti]; 12310 opti++; 12311 // Is this a package name? 12312 if ("android".equals(cmd) || cmd.contains(".")) { 12313 packageName = cmd; 12314 // When dumping a single package, we always dump all of its 12315 // filter information since the amount of data will be reasonable. 12316 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12317 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12318 dumpState.setDump(DumpState.DUMP_LIBS); 12319 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12320 dumpState.setDump(DumpState.DUMP_FEATURES); 12321 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12322 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12323 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12324 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12325 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12326 dumpState.setDump(DumpState.DUMP_PREFERRED); 12327 } else if ("preferred-xml".equals(cmd)) { 12328 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12329 if (opti < args.length && "--full".equals(args[opti])) { 12330 fullPreferred = true; 12331 opti++; 12332 } 12333 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12334 dumpState.setDump(DumpState.DUMP_PACKAGES); 12335 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12336 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12337 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12338 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12339 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12340 dumpState.setDump(DumpState.DUMP_MESSAGES); 12341 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12342 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12343 } else if ("version".equals(cmd)) { 12344 dumpState.setDump(DumpState.DUMP_VERSION); 12345 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12346 dumpState.setDump(DumpState.DUMP_KEYSETS); 12347 } else if ("installs".equals(cmd)) { 12348 dumpState.setDump(DumpState.DUMP_INSTALLS); 12349 } else if ("write".equals(cmd)) { 12350 synchronized (mPackages) { 12351 mSettings.writeLPr(); 12352 pw.println("Settings written."); 12353 return; 12354 } 12355 } 12356 } 12357 12358 if (checkin) { 12359 pw.println("vers,1"); 12360 } 12361 12362 // reader 12363 synchronized (mPackages) { 12364 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12365 if (!checkin) { 12366 if (dumpState.onTitlePrinted()) 12367 pw.println(); 12368 pw.println("Database versions:"); 12369 pw.print(" SDK Version:"); 12370 pw.print(" internal="); 12371 pw.print(mSettings.mInternalSdkPlatform); 12372 pw.print(" external="); 12373 pw.println(mSettings.mExternalSdkPlatform); 12374 pw.print(" DB Version:"); 12375 pw.print(" internal="); 12376 pw.print(mSettings.mInternalDatabaseVersion); 12377 pw.print(" external="); 12378 pw.println(mSettings.mExternalDatabaseVersion); 12379 } 12380 } 12381 12382 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12383 if (!checkin) { 12384 if (dumpState.onTitlePrinted()) 12385 pw.println(); 12386 pw.println("Verifiers:"); 12387 pw.print(" Required: "); 12388 pw.print(mRequiredVerifierPackage); 12389 pw.print(" (uid="); 12390 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12391 pw.println(")"); 12392 } else if (mRequiredVerifierPackage != null) { 12393 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12394 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12395 } 12396 } 12397 12398 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12399 boolean printedHeader = false; 12400 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12401 while (it.hasNext()) { 12402 String name = it.next(); 12403 SharedLibraryEntry ent = mSharedLibraries.get(name); 12404 if (!checkin) { 12405 if (!printedHeader) { 12406 if (dumpState.onTitlePrinted()) 12407 pw.println(); 12408 pw.println("Libraries:"); 12409 printedHeader = true; 12410 } 12411 pw.print(" "); 12412 } else { 12413 pw.print("lib,"); 12414 } 12415 pw.print(name); 12416 if (!checkin) { 12417 pw.print(" -> "); 12418 } 12419 if (ent.path != null) { 12420 if (!checkin) { 12421 pw.print("(jar) "); 12422 pw.print(ent.path); 12423 } else { 12424 pw.print(",jar,"); 12425 pw.print(ent.path); 12426 } 12427 } else { 12428 if (!checkin) { 12429 pw.print("(apk) "); 12430 pw.print(ent.apk); 12431 } else { 12432 pw.print(",apk,"); 12433 pw.print(ent.apk); 12434 } 12435 } 12436 pw.println(); 12437 } 12438 } 12439 12440 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12441 if (dumpState.onTitlePrinted()) 12442 pw.println(); 12443 if (!checkin) { 12444 pw.println("Features:"); 12445 } 12446 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12447 while (it.hasNext()) { 12448 String name = it.next(); 12449 if (!checkin) { 12450 pw.print(" "); 12451 } else { 12452 pw.print("feat,"); 12453 } 12454 pw.println(name); 12455 } 12456 } 12457 12458 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12459 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12460 : "Activity Resolver Table:", " ", packageName, 12461 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12462 dumpState.setTitlePrinted(true); 12463 } 12464 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12465 : "Receiver Resolver Table:", " ", packageName, 12466 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12467 dumpState.setTitlePrinted(true); 12468 } 12469 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12470 : "Service Resolver Table:", " ", packageName, 12471 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12472 dumpState.setTitlePrinted(true); 12473 } 12474 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12475 : "Provider Resolver Table:", " ", packageName, 12476 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12477 dumpState.setTitlePrinted(true); 12478 } 12479 } 12480 12481 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12482 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12483 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12484 int user = mSettings.mPreferredActivities.keyAt(i); 12485 if (pir.dump(pw, 12486 dumpState.getTitlePrinted() 12487 ? "\nPreferred Activities User " + user + ":" 12488 : "Preferred Activities User " + user + ":", " ", 12489 packageName, true, false)) { 12490 dumpState.setTitlePrinted(true); 12491 } 12492 } 12493 } 12494 12495 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12496 pw.flush(); 12497 FileOutputStream fout = new FileOutputStream(fd); 12498 BufferedOutputStream str = new BufferedOutputStream(fout); 12499 XmlSerializer serializer = new FastXmlSerializer(); 12500 try { 12501 serializer.setOutput(str, "utf-8"); 12502 serializer.startDocument(null, true); 12503 serializer.setFeature( 12504 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12505 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12506 serializer.endDocument(); 12507 serializer.flush(); 12508 } catch (IllegalArgumentException e) { 12509 pw.println("Failed writing: " + e); 12510 } catch (IllegalStateException e) { 12511 pw.println("Failed writing: " + e); 12512 } catch (IOException e) { 12513 pw.println("Failed writing: " + e); 12514 } 12515 } 12516 12517 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12518 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12519 if (packageName == null) { 12520 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12521 if (iperm == 0) { 12522 if (dumpState.onTitlePrinted()) 12523 pw.println(); 12524 pw.println("AppOp Permissions:"); 12525 } 12526 pw.print(" AppOp Permission "); 12527 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12528 pw.println(":"); 12529 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12530 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12531 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12532 } 12533 } 12534 } 12535 } 12536 12537 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12538 boolean printedSomething = false; 12539 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12540 if (packageName != null && !packageName.equals(p.info.packageName)) { 12541 continue; 12542 } 12543 if (!printedSomething) { 12544 if (dumpState.onTitlePrinted()) 12545 pw.println(); 12546 pw.println("Registered ContentProviders:"); 12547 printedSomething = true; 12548 } 12549 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12550 pw.print(" "); pw.println(p.toString()); 12551 } 12552 printedSomething = false; 12553 for (Map.Entry<String, PackageParser.Provider> entry : 12554 mProvidersByAuthority.entrySet()) { 12555 PackageParser.Provider p = entry.getValue(); 12556 if (packageName != null && !packageName.equals(p.info.packageName)) { 12557 continue; 12558 } 12559 if (!printedSomething) { 12560 if (dumpState.onTitlePrinted()) 12561 pw.println(); 12562 pw.println("ContentProvider Authorities:"); 12563 printedSomething = true; 12564 } 12565 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12566 pw.print(" "); pw.println(p.toString()); 12567 if (p.info != null && p.info.applicationInfo != null) { 12568 final String appInfo = p.info.applicationInfo.toString(); 12569 pw.print(" applicationInfo="); pw.println(appInfo); 12570 } 12571 } 12572 } 12573 12574 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12575 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12576 } 12577 12578 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12579 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12580 } 12581 12582 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12583 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12584 } 12585 12586 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12587 // XXX should handle packageName != null by dumping only install data that 12588 // the given package is involved with. 12589 if (dumpState.onTitlePrinted()) pw.println(); 12590 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12591 } 12592 12593 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12594 if (dumpState.onTitlePrinted()) pw.println(); 12595 mSettings.dumpReadMessagesLPr(pw, dumpState); 12596 12597 pw.println(); 12598 pw.println("Package warning messages:"); 12599 BufferedReader in = null; 12600 String line = null; 12601 try { 12602 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12603 while ((line = in.readLine()) != null) { 12604 if (line.contains("ignored: updated version")) continue; 12605 pw.println(line); 12606 } 12607 } catch (IOException ignored) { 12608 } finally { 12609 IoUtils.closeQuietly(in); 12610 } 12611 } 12612 12613 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12614 BufferedReader in = null; 12615 String line = null; 12616 try { 12617 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12618 while ((line = in.readLine()) != null) { 12619 if (line.contains("ignored: updated version")) continue; 12620 pw.print("msg,"); 12621 pw.println(line); 12622 } 12623 } catch (IOException ignored) { 12624 } finally { 12625 IoUtils.closeQuietly(in); 12626 } 12627 } 12628 } 12629 } 12630 12631 // ------- apps on sdcard specific code ------- 12632 static final boolean DEBUG_SD_INSTALL = false; 12633 12634 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12635 12636 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12637 12638 private boolean mMediaMounted = false; 12639 12640 static String getEncryptKey() { 12641 try { 12642 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12643 SD_ENCRYPTION_KEYSTORE_NAME); 12644 if (sdEncKey == null) { 12645 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12646 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12647 if (sdEncKey == null) { 12648 Slog.e(TAG, "Failed to create encryption keys"); 12649 return null; 12650 } 12651 } 12652 return sdEncKey; 12653 } catch (NoSuchAlgorithmException nsae) { 12654 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12655 return null; 12656 } catch (IOException ioe) { 12657 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12658 return null; 12659 } 12660 } 12661 12662 /* 12663 * Update media status on PackageManager. 12664 */ 12665 @Override 12666 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12667 int callingUid = Binder.getCallingUid(); 12668 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12669 throw new SecurityException("Media status can only be updated by the system"); 12670 } 12671 // reader; this apparently protects mMediaMounted, but should probably 12672 // be a different lock in that case. 12673 synchronized (mPackages) { 12674 Log.i(TAG, "Updating external media status from " 12675 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12676 + (mediaStatus ? "mounted" : "unmounted")); 12677 if (DEBUG_SD_INSTALL) 12678 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12679 + ", mMediaMounted=" + mMediaMounted); 12680 if (mediaStatus == mMediaMounted) { 12681 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12682 : 0, -1); 12683 mHandler.sendMessage(msg); 12684 return; 12685 } 12686 mMediaMounted = mediaStatus; 12687 } 12688 // Queue up an async operation since the package installation may take a 12689 // little while. 12690 mHandler.post(new Runnable() { 12691 public void run() { 12692 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12693 } 12694 }); 12695 } 12696 12697 /** 12698 * Called by MountService when the initial ASECs to scan are available. 12699 * Should block until all the ASEC containers are finished being scanned. 12700 */ 12701 public void scanAvailableAsecs() { 12702 updateExternalMediaStatusInner(true, false, false); 12703 if (mShouldRestoreconData) { 12704 SELinuxMMAC.setRestoreconDone(); 12705 mShouldRestoreconData = false; 12706 } 12707 } 12708 12709 /* 12710 * Collect information of applications on external media, map them against 12711 * existing containers and update information based on current mount status. 12712 * Please note that we always have to report status if reportStatus has been 12713 * set to true especially when unloading packages. 12714 */ 12715 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12716 boolean externalStorage) { 12717 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12718 int[] uidArr = EmptyArray.INT; 12719 12720 final String[] list = PackageHelper.getSecureContainerList(); 12721 if (ArrayUtils.isEmpty(list)) { 12722 Log.i(TAG, "No secure containers found"); 12723 } else { 12724 // Process list of secure containers and categorize them 12725 // as active or stale based on their package internal state. 12726 12727 // reader 12728 synchronized (mPackages) { 12729 for (String cid : list) { 12730 // Leave stages untouched for now; installer service owns them 12731 if (PackageInstallerService.isStageName(cid)) continue; 12732 12733 if (DEBUG_SD_INSTALL) 12734 Log.i(TAG, "Processing container " + cid); 12735 String pkgName = getAsecPackageName(cid); 12736 if (pkgName == null) { 12737 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12738 continue; 12739 } 12740 if (DEBUG_SD_INSTALL) 12741 Log.i(TAG, "Looking for pkg : " + pkgName); 12742 12743 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12744 if (ps == null) { 12745 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12746 continue; 12747 } 12748 12749 /* 12750 * Skip packages that are not external if we're unmounting 12751 * external storage. 12752 */ 12753 if (externalStorage && !isMounted && !isExternal(ps)) { 12754 continue; 12755 } 12756 12757 final AsecInstallArgs args = new AsecInstallArgs(cid, 12758 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12759 // The package status is changed only if the code path 12760 // matches between settings and the container id. 12761 if (ps.codePathString != null 12762 && ps.codePathString.startsWith(args.getCodePath())) { 12763 if (DEBUG_SD_INSTALL) { 12764 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12765 + " at code path: " + ps.codePathString); 12766 } 12767 12768 // We do have a valid package installed on sdcard 12769 processCids.put(args, ps.codePathString); 12770 final int uid = ps.appId; 12771 if (uid != -1) { 12772 uidArr = ArrayUtils.appendInt(uidArr, uid); 12773 } 12774 } else { 12775 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12776 + ps.codePathString); 12777 } 12778 } 12779 } 12780 12781 Arrays.sort(uidArr); 12782 } 12783 12784 // Process packages with valid entries. 12785 if (isMounted) { 12786 if (DEBUG_SD_INSTALL) 12787 Log.i(TAG, "Loading packages"); 12788 loadMediaPackages(processCids, uidArr); 12789 startCleaningPackages(); 12790 mInstallerService.onSecureContainersAvailable(); 12791 } else { 12792 if (DEBUG_SD_INSTALL) 12793 Log.i(TAG, "Unloading packages"); 12794 unloadMediaPackages(processCids, uidArr, reportStatus); 12795 } 12796 } 12797 12798 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12799 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12800 int size = pkgList.size(); 12801 if (size > 0) { 12802 // Send broadcasts here 12803 Bundle extras = new Bundle(); 12804 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12805 .toArray(new String[size])); 12806 if (uidArr != null) { 12807 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12808 } 12809 if (replacing) { 12810 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12811 } 12812 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12813 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12814 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12815 } 12816 } 12817 12818 /* 12819 * Look at potentially valid container ids from processCids If package 12820 * information doesn't match the one on record or package scanning fails, 12821 * the cid is added to list of removeCids. We currently don't delete stale 12822 * containers. 12823 */ 12824 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12825 ArrayList<String> pkgList = new ArrayList<String>(); 12826 Set<AsecInstallArgs> keys = processCids.keySet(); 12827 12828 for (AsecInstallArgs args : keys) { 12829 String codePath = processCids.get(args); 12830 if (DEBUG_SD_INSTALL) 12831 Log.i(TAG, "Loading container : " + args.cid); 12832 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12833 try { 12834 // Make sure there are no container errors first. 12835 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12836 Slog.e(TAG, "Failed to mount cid : " + args.cid 12837 + " when installing from sdcard"); 12838 continue; 12839 } 12840 // Check code path here. 12841 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12842 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12843 + " does not match one in settings " + codePath); 12844 continue; 12845 } 12846 // Parse package 12847 int parseFlags = mDefParseFlags; 12848 if (args.isExternal()) { 12849 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12850 } 12851 if (args.isFwdLocked()) { 12852 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12853 } 12854 12855 synchronized (mInstallLock) { 12856 PackageParser.Package pkg = null; 12857 try { 12858 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12859 } catch (PackageManagerException e) { 12860 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12861 } 12862 // Scan the package 12863 if (pkg != null) { 12864 /* 12865 * TODO why is the lock being held? doPostInstall is 12866 * called in other places without the lock. This needs 12867 * to be straightened out. 12868 */ 12869 // writer 12870 synchronized (mPackages) { 12871 retCode = PackageManager.INSTALL_SUCCEEDED; 12872 pkgList.add(pkg.packageName); 12873 // Post process args 12874 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12875 pkg.applicationInfo.uid); 12876 } 12877 } else { 12878 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12879 } 12880 } 12881 12882 } finally { 12883 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12884 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12885 } 12886 } 12887 } 12888 // writer 12889 synchronized (mPackages) { 12890 // If the platform SDK has changed since the last time we booted, 12891 // we need to re-grant app permission to catch any new ones that 12892 // appear. This is really a hack, and means that apps can in some 12893 // cases get permissions that the user didn't initially explicitly 12894 // allow... it would be nice to have some better way to handle 12895 // this situation. 12896 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12897 if (regrantPermissions) 12898 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12899 + mSdkVersion + "; regranting permissions for external storage"); 12900 mSettings.mExternalSdkPlatform = mSdkVersion; 12901 12902 // Make sure group IDs have been assigned, and any permission 12903 // changes in other apps are accounted for 12904 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12905 | (regrantPermissions 12906 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12907 : 0)); 12908 12909 mSettings.updateExternalDatabaseVersion(); 12910 12911 // can downgrade to reader 12912 // Persist settings 12913 mSettings.writeLPr(); 12914 } 12915 // Send a broadcast to let everyone know we are done processing 12916 if (pkgList.size() > 0) { 12917 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12918 } 12919 } 12920 12921 /* 12922 * Utility method to unload a list of specified containers 12923 */ 12924 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12925 // Just unmount all valid containers. 12926 for (AsecInstallArgs arg : cidArgs) { 12927 synchronized (mInstallLock) { 12928 arg.doPostDeleteLI(false); 12929 } 12930 } 12931 } 12932 12933 /* 12934 * Unload packages mounted on external media. This involves deleting package 12935 * data from internal structures, sending broadcasts about diabled packages, 12936 * gc'ing to free up references, unmounting all secure containers 12937 * corresponding to packages on external media, and posting a 12938 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12939 * that we always have to post this message if status has been requested no 12940 * matter what. 12941 */ 12942 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12943 final boolean reportStatus) { 12944 if (DEBUG_SD_INSTALL) 12945 Log.i(TAG, "unloading media packages"); 12946 ArrayList<String> pkgList = new ArrayList<String>(); 12947 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12948 final Set<AsecInstallArgs> keys = processCids.keySet(); 12949 for (AsecInstallArgs args : keys) { 12950 String pkgName = args.getPackageName(); 12951 if (DEBUG_SD_INSTALL) 12952 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12953 // Delete package internally 12954 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12955 synchronized (mInstallLock) { 12956 boolean res = deletePackageLI(pkgName, null, false, null, null, 12957 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12958 if (res) { 12959 pkgList.add(pkgName); 12960 } else { 12961 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12962 failedList.add(args); 12963 } 12964 } 12965 } 12966 12967 // reader 12968 synchronized (mPackages) { 12969 // We didn't update the settings after removing each package; 12970 // write them now for all packages. 12971 mSettings.writeLPr(); 12972 } 12973 12974 // We have to absolutely send UPDATED_MEDIA_STATUS only 12975 // after confirming that all the receivers processed the ordered 12976 // broadcast when packages get disabled, force a gc to clean things up. 12977 // and unload all the containers. 12978 if (pkgList.size() > 0) { 12979 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12980 new IIntentReceiver.Stub() { 12981 public void performReceive(Intent intent, int resultCode, String data, 12982 Bundle extras, boolean ordered, boolean sticky, 12983 int sendingUser) throws RemoteException { 12984 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12985 reportStatus ? 1 : 0, 1, keys); 12986 mHandler.sendMessage(msg); 12987 } 12988 }); 12989 } else { 12990 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12991 keys); 12992 mHandler.sendMessage(msg); 12993 } 12994 } 12995 12996 /** Binder call */ 12997 @Override 12998 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12999 final int flags) { 13000 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13001 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13002 int returnCode = PackageManager.MOVE_SUCCEEDED; 13003 int currInstallFlags = 0; 13004 int newInstallFlags = 0; 13005 13006 File codeFile = null; 13007 String installerPackageName = null; 13008 String packageAbiOverride = null; 13009 13010 // reader 13011 synchronized (mPackages) { 13012 final PackageParser.Package pkg = mPackages.get(packageName); 13013 final PackageSetting ps = mSettings.mPackages.get(packageName); 13014 if (pkg == null || ps == null) { 13015 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13016 } else { 13017 // Disable moving fwd locked apps and system packages 13018 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13019 Slog.w(TAG, "Cannot move system application"); 13020 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13021 } else if (pkg.mOperationPending) { 13022 Slog.w(TAG, "Attempt to move package which has pending operations"); 13023 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13024 } else { 13025 // Find install location first 13026 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13027 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13028 Slog.w(TAG, "Ambigous flags specified for move location."); 13029 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13030 } else { 13031 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13032 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13033 currInstallFlags = isExternal(pkg) 13034 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13035 13036 if (newInstallFlags == currInstallFlags) { 13037 Slog.w(TAG, "No move required. Trying to move to same location"); 13038 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13039 } else { 13040 if (pkg.isForwardLocked()) { 13041 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13042 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13043 } 13044 } 13045 } 13046 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13047 pkg.mOperationPending = true; 13048 } 13049 } 13050 13051 codeFile = new File(pkg.codePath); 13052 installerPackageName = ps.installerPackageName; 13053 packageAbiOverride = ps.cpuAbiOverrideString; 13054 } 13055 } 13056 13057 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13058 try { 13059 observer.packageMoved(packageName, returnCode); 13060 } catch (RemoteException ignored) { 13061 } 13062 return; 13063 } 13064 13065 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13066 @Override 13067 public void onUserActionRequired(Intent intent) throws RemoteException { 13068 throw new IllegalStateException(); 13069 } 13070 13071 @Override 13072 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13073 Bundle extras) throws RemoteException { 13074 Slog.d(TAG, "Install result for move: " 13075 + PackageManager.installStatusToString(returnCode, msg)); 13076 13077 // We usually have a new package now after the install, but if 13078 // we failed we need to clear the pending flag on the original 13079 // package object. 13080 synchronized (mPackages) { 13081 final PackageParser.Package pkg = mPackages.get(packageName); 13082 if (pkg != null) { 13083 pkg.mOperationPending = false; 13084 } 13085 } 13086 13087 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13088 switch (status) { 13089 case PackageInstaller.STATUS_SUCCESS: 13090 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13091 break; 13092 case PackageInstaller.STATUS_FAILURE_STORAGE: 13093 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13094 break; 13095 default: 13096 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13097 break; 13098 } 13099 } 13100 }; 13101 13102 // Treat a move like reinstalling an existing app, which ensures that we 13103 // process everythign uniformly, like unpacking native libraries. 13104 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13105 13106 final Message msg = mHandler.obtainMessage(INIT_COPY); 13107 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13108 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13109 installerPackageName, null, user, packageAbiOverride); 13110 mHandler.sendMessage(msg); 13111 } 13112 13113 @Override 13114 public boolean setInstallLocation(int loc) { 13115 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13116 null); 13117 if (getInstallLocation() == loc) { 13118 return true; 13119 } 13120 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13121 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13122 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13123 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13124 return true; 13125 } 13126 return false; 13127 } 13128 13129 @Override 13130 public int getInstallLocation() { 13131 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13132 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13133 PackageHelper.APP_INSTALL_AUTO); 13134 } 13135 13136 /** Called by UserManagerService */ 13137 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13138 mDirtyUsers.remove(userHandle); 13139 mSettings.removeUserLPw(userHandle); 13140 mPendingBroadcasts.remove(userHandle); 13141 if (mInstaller != null) { 13142 // Technically, we shouldn't be doing this with the package lock 13143 // held. However, this is very rare, and there is already so much 13144 // other disk I/O going on, that we'll let it slide for now. 13145 mInstaller.removeUserDataDirs(userHandle); 13146 } 13147 mUserNeedsBadging.delete(userHandle); 13148 removeUnusedPackagesLILPw(userManager, userHandle); 13149 } 13150 13151 /** 13152 * We're removing userHandle and would like to remove any downloaded packages 13153 * that are no longer in use by any other user. 13154 * @param userHandle the user being removed 13155 */ 13156 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13157 final boolean DEBUG_CLEAN_APKS = false; 13158 int [] users = userManager.getUserIdsLPr(); 13159 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13160 while (psit.hasNext()) { 13161 PackageSetting ps = psit.next(); 13162 if (ps.pkg == null) { 13163 continue; 13164 } 13165 final String packageName = ps.pkg.packageName; 13166 // Skip over if system app 13167 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13168 continue; 13169 } 13170 if (DEBUG_CLEAN_APKS) { 13171 Slog.i(TAG, "Checking package " + packageName); 13172 } 13173 boolean keep = false; 13174 for (int i = 0; i < users.length; i++) { 13175 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13176 keep = true; 13177 if (DEBUG_CLEAN_APKS) { 13178 Slog.i(TAG, " Keeping package " + packageName + " for user " 13179 + users[i]); 13180 } 13181 break; 13182 } 13183 } 13184 if (!keep) { 13185 if (DEBUG_CLEAN_APKS) { 13186 Slog.i(TAG, " Removing package " + packageName); 13187 } 13188 mHandler.post(new Runnable() { 13189 public void run() { 13190 deletePackageX(packageName, userHandle, 0); 13191 } //end run 13192 }); 13193 } 13194 } 13195 } 13196 13197 /** Called by UserManagerService */ 13198 void createNewUserLILPw(int userHandle, File path) { 13199 if (mInstaller != null) { 13200 mInstaller.createUserConfig(userHandle); 13201 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13202 } 13203 } 13204 13205 @Override 13206 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13207 mContext.enforceCallingOrSelfPermission( 13208 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13209 "Only package verification agents can read the verifier device identity"); 13210 13211 synchronized (mPackages) { 13212 return mSettings.getVerifierDeviceIdentityLPw(); 13213 } 13214 } 13215 13216 @Override 13217 public void setPermissionEnforced(String permission, boolean enforced) { 13218 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13219 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13220 synchronized (mPackages) { 13221 if (mSettings.mReadExternalStorageEnforced == null 13222 || mSettings.mReadExternalStorageEnforced != enforced) { 13223 mSettings.mReadExternalStorageEnforced = enforced; 13224 mSettings.writeLPr(); 13225 } 13226 } 13227 // kill any non-foreground processes so we restart them and 13228 // grant/revoke the GID. 13229 final IActivityManager am = ActivityManagerNative.getDefault(); 13230 if (am != null) { 13231 final long token = Binder.clearCallingIdentity(); 13232 try { 13233 am.killProcessesBelowForeground("setPermissionEnforcement"); 13234 } catch (RemoteException e) { 13235 } finally { 13236 Binder.restoreCallingIdentity(token); 13237 } 13238 } 13239 } else { 13240 throw new IllegalArgumentException("No selective enforcement for " + permission); 13241 } 13242 } 13243 13244 @Override 13245 @Deprecated 13246 public boolean isPermissionEnforced(String permission) { 13247 return true; 13248 } 13249 13250 @Override 13251 public boolean isStorageLow() { 13252 final long token = Binder.clearCallingIdentity(); 13253 try { 13254 final DeviceStorageMonitorInternal 13255 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13256 if (dsm != null) { 13257 return dsm.isMemoryLow(); 13258 } else { 13259 return false; 13260 } 13261 } finally { 13262 Binder.restoreCallingIdentity(token); 13263 } 13264 } 13265 13266 @Override 13267 public IPackageInstaller getPackageInstaller() { 13268 return mInstallerService; 13269 } 13270 13271 private boolean userNeedsBadging(int userId) { 13272 int index = mUserNeedsBadging.indexOfKey(userId); 13273 if (index < 0) { 13274 final UserInfo userInfo; 13275 final long token = Binder.clearCallingIdentity(); 13276 try { 13277 userInfo = sUserManager.getUserInfo(userId); 13278 } finally { 13279 Binder.restoreCallingIdentity(token); 13280 } 13281 final boolean b; 13282 if (userInfo != null && userInfo.isManagedProfile()) { 13283 b = true; 13284 } else { 13285 b = false; 13286 } 13287 mUserNeedsBadging.put(userId, b); 13288 return b; 13289 } 13290 return mUserNeedsBadging.valueAt(index); 13291 } 13292 13293 @Override 13294 public KeySet getKeySetByAlias(String packageName, String alias) { 13295 if (packageName == null || alias == null) { 13296 return null; 13297 } 13298 synchronized(mPackages) { 13299 final PackageParser.Package pkg = mPackages.get(packageName); 13300 if (pkg == null) { 13301 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13302 throw new IllegalArgumentException("Unknown package: " + packageName); 13303 } 13304 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13305 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13306 } 13307 } 13308 13309 @Override 13310 public KeySet getSigningKeySet(String packageName) { 13311 if (packageName == null) { 13312 return null; 13313 } 13314 synchronized(mPackages) { 13315 final PackageParser.Package pkg = mPackages.get(packageName); 13316 if (pkg == null) { 13317 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13318 throw new IllegalArgumentException("Unknown package: " + packageName); 13319 } 13320 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13321 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13322 throw new SecurityException("May not access signing KeySet of other apps."); 13323 } 13324 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13325 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13326 } 13327 } 13328 13329 @Override 13330 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13331 if (packageName == null || ks == null) { 13332 return false; 13333 } 13334 synchronized(mPackages) { 13335 final PackageParser.Package pkg = mPackages.get(packageName); 13336 if (pkg == null) { 13337 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13338 throw new IllegalArgumentException("Unknown package: " + packageName); 13339 } 13340 IBinder ksh = ks.getToken(); 13341 if (ksh instanceof KeySetHandle) { 13342 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13343 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13344 } 13345 return false; 13346 } 13347 } 13348 13349 @Override 13350 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13351 if (packageName == null || ks == null) { 13352 return false; 13353 } 13354 synchronized(mPackages) { 13355 final PackageParser.Package pkg = mPackages.get(packageName); 13356 if (pkg == null) { 13357 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13358 throw new IllegalArgumentException("Unknown package: " + packageName); 13359 } 13360 IBinder ksh = ks.getToken(); 13361 if (ksh instanceof KeySetHandle) { 13362 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13363 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13364 } 13365 return false; 13366 } 13367 } 13368 13369 public void getUsageStatsIfNoPackageUsageInfo() { 13370 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13371 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13372 if (usm == null) { 13373 throw new IllegalStateException("UsageStatsManager must be initialized"); 13374 } 13375 long now = System.currentTimeMillis(); 13376 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13377 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13378 String packageName = entry.getKey(); 13379 PackageParser.Package pkg = mPackages.get(packageName); 13380 if (pkg == null) { 13381 continue; 13382 } 13383 UsageStats usage = entry.getValue(); 13384 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13385 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13386 } 13387 } 13388 } 13389 13390 /** 13391 * Check and throw if the given before/after packages would be considered a 13392 * downgrade. 13393 */ 13394 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13395 throws PackageManagerException { 13396 if (after.versionCode < before.mVersionCode) { 13397 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13398 "Update version code " + after.versionCode + " is older than current " 13399 + before.mVersionCode); 13400 } else if (after.versionCode == before.mVersionCode) { 13401 if (after.baseRevisionCode < before.baseRevisionCode) { 13402 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13403 "Update base revision code " + after.baseRevisionCode 13404 + " is older than current " + before.baseRevisionCode); 13405 } 13406 13407 if (!ArrayUtils.isEmpty(after.splitNames)) { 13408 for (int i = 0; i < after.splitNames.length; i++) { 13409 final String splitName = after.splitNames[i]; 13410 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13411 if (j != -1) { 13412 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13413 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13414 "Update split " + splitName + " revision code " 13415 + after.splitRevisionCodes[i] + " is older than current " 13416 + before.splitRevisionCodes[j]); 13417 } 13418 } 13419 } 13420 } 13421 } 13422 } 13423} 13424