PackageManagerService.java revision 7f7571308d5dc973e9b1e352d56643a74e99e588
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 static final int SCAN_REQUIRE_KNOWN = 1<<12; 278 279 static final int REMOVE_CHATTY = 1<<16; 280 281 /** 282 * Timeout (in milliseconds) after which the watchdog should declare that 283 * our handler thread is wedged. The usual default for such things is one 284 * minute but we sometimes do very lengthy I/O operations on this thread, 285 * such as installing multi-gigabyte applications, so ours needs to be longer. 286 */ 287 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 288 289 /** 290 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 291 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 292 * settings entry if available, otherwise we use the hardcoded default. If it's been 293 * more than this long since the last fstrim, we force one during the boot sequence. 294 * 295 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 296 * one gets run at the next available charging+idle time. This final mandatory 297 * no-fstrim check kicks in only of the other scheduling criteria is never met. 298 */ 299 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 300 301 /** 302 * Whether verification is enabled by default. 303 */ 304 private static final boolean DEFAULT_VERIFY_ENABLE = true; 305 306 /** 307 * The default maximum time to wait for the verification agent to return in 308 * milliseconds. 309 */ 310 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 311 312 /** 313 * The default response for package verification timeout. 314 * 315 * This can be either PackageManager.VERIFICATION_ALLOW or 316 * PackageManager.VERIFICATION_REJECT. 317 */ 318 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 319 320 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 321 322 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 323 DEFAULT_CONTAINER_PACKAGE, 324 "com.android.defcontainer.DefaultContainerService"); 325 326 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 327 328 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 329 330 final ServiceThread mHandlerThread; 331 332 final PackageHandler mHandler; 333 334 /** 335 * Messages for {@link #mHandler} that need to wait for system ready before 336 * being dispatched. 337 */ 338 private ArrayList<Message> mPostSystemReadyMessages; 339 340 final int mSdkVersion = Build.VERSION.SDK_INT; 341 342 final Context mContext; 343 final boolean mFactoryTest; 344 final boolean mOnlyCore; 345 final boolean mLazyDexOpt; 346 final long mDexOptLRUThresholdInMills; 347 final DisplayMetrics mMetrics; 348 final int mDefParseFlags; 349 final String[] mSeparateProcesses; 350 final boolean mIsUpgrade; 351 352 // This is where all application persistent data goes. 353 final File mAppDataDir; 354 355 // This is where all application persistent data goes for secondary users. 356 final File mUserAppDataDir; 357 358 /** The location for ASEC container files on internal storage. */ 359 final String mAsecInternalPath; 360 361 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 362 // LOCK HELD. Can be called with mInstallLock held. 363 final Installer mInstaller; 364 365 /** Directory where installed third-party apps stored */ 366 final File mAppInstallDir; 367 368 /** 369 * Directory to which applications installed internally have their 370 * 32 bit native libraries copied. 371 */ 372 private File mAppLib32InstallDir; 373 374 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 375 // apps. 376 final File mDrmAppPrivateInstallDir; 377 378 // ---------------------------------------------------------------- 379 380 // Lock for state used when installing and doing other long running 381 // operations. Methods that must be called with this lock held have 382 // the suffix "LI". 383 final Object mInstallLock = new Object(); 384 385 // ---------------------------------------------------------------- 386 387 // Keys are String (package name), values are Package. This also serves 388 // as the lock for the global state. Methods that must be called with 389 // this lock held have the prefix "LP". 390 final ArrayMap<String, PackageParser.Package> mPackages = 391 new ArrayMap<String, PackageParser.Package>(); 392 393 // Tracks available target package names -> overlay package paths. 394 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 395 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 396 397 final Settings mSettings; 398 boolean mRestoredSettings; 399 400 // System configuration read by SystemConfig. 401 final int[] mGlobalGids; 402 final SparseArray<ArraySet<String>> mSystemPermissions; 403 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 404 405 // If mac_permissions.xml was found for seinfo labeling. 406 boolean mFoundPolicyFile; 407 408 // If a recursive restorecon of /data/data/<pkg> is needed. 409 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 410 411 public static final class SharedLibraryEntry { 412 public final String path; 413 public final String apk; 414 415 SharedLibraryEntry(String _path, String _apk) { 416 path = _path; 417 apk = _apk; 418 } 419 } 420 421 // Currently known shared libraries. 422 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 423 new ArrayMap<String, SharedLibraryEntry>(); 424 425 // All available activities, for your resolving pleasure. 426 final ActivityIntentResolver mActivities = 427 new ActivityIntentResolver(); 428 429 // All available receivers, for your resolving pleasure. 430 final ActivityIntentResolver mReceivers = 431 new ActivityIntentResolver(); 432 433 // All available services, for your resolving pleasure. 434 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 435 436 // All available providers, for your resolving pleasure. 437 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 438 439 // Mapping from provider base names (first directory in content URI codePath) 440 // to the provider information. 441 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 442 new ArrayMap<String, PackageParser.Provider>(); 443 444 // Mapping from instrumentation class names to info about them. 445 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 446 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 447 448 // Mapping from permission names to info about them. 449 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 450 new ArrayMap<String, PackageParser.PermissionGroup>(); 451 452 // Packages whose data we have transfered into another package, thus 453 // should no longer exist. 454 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 455 456 // Broadcast actions that are only available to the system. 457 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 458 459 /** List of packages waiting for verification. */ 460 final SparseArray<PackageVerificationState> mPendingVerification 461 = new SparseArray<PackageVerificationState>(); 462 463 /** Set of packages associated with each app op permission. */ 464 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 465 466 final PackageInstallerService mInstallerService; 467 468 private final PackageDexOptimizer mPackageDexOptimizer; 469 // Cache of users who need badging. 470 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 471 472 /** Token for keys in mPendingVerification. */ 473 private int mPendingVerificationToken = 0; 474 475 volatile boolean mSystemReady; 476 volatile boolean mSafeMode; 477 volatile boolean mHasSystemUidErrors; 478 479 ApplicationInfo mAndroidApplication; 480 final ActivityInfo mResolveActivity = new ActivityInfo(); 481 final ResolveInfo mResolveInfo = new ResolveInfo(); 482 ComponentName mResolveComponentName; 483 PackageParser.Package mPlatformPackage; 484 ComponentName mCustomResolverComponentName; 485 486 boolean mResolverReplaced = false; 487 488 // Set of pending broadcasts for aggregating enable/disable of components. 489 static class PendingPackageBroadcasts { 490 // for each user id, a map of <package name -> components within that package> 491 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 492 493 public PendingPackageBroadcasts() { 494 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 495 } 496 497 public ArrayList<String> get(int userId, String packageName) { 498 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 499 return packages.get(packageName); 500 } 501 502 public void put(int userId, String packageName, ArrayList<String> components) { 503 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 504 packages.put(packageName, components); 505 } 506 507 public void remove(int userId, String packageName) { 508 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 509 if (packages != null) { 510 packages.remove(packageName); 511 } 512 } 513 514 public void remove(int userId) { 515 mUidMap.remove(userId); 516 } 517 518 public int userIdCount() { 519 return mUidMap.size(); 520 } 521 522 public int userIdAt(int n) { 523 return mUidMap.keyAt(n); 524 } 525 526 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 527 return mUidMap.get(userId); 528 } 529 530 public int size() { 531 // total number of pending broadcast entries across all userIds 532 int num = 0; 533 for (int i = 0; i< mUidMap.size(); i++) { 534 num += mUidMap.valueAt(i).size(); 535 } 536 return num; 537 } 538 539 public void clear() { 540 mUidMap.clear(); 541 } 542 543 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 544 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 545 if (map == null) { 546 map = new ArrayMap<String, ArrayList<String>>(); 547 mUidMap.put(userId, map); 548 } 549 return map; 550 } 551 } 552 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 553 554 // Service Connection to remote media container service to copy 555 // package uri's from external media onto secure containers 556 // or internal storage. 557 private IMediaContainerService mContainerService = null; 558 559 static final int SEND_PENDING_BROADCAST = 1; 560 static final int MCS_BOUND = 3; 561 static final int END_COPY = 4; 562 static final int INIT_COPY = 5; 563 static final int MCS_UNBIND = 6; 564 static final int START_CLEANING_PACKAGE = 7; 565 static final int FIND_INSTALL_LOC = 8; 566 static final int POST_INSTALL = 9; 567 static final int MCS_RECONNECT = 10; 568 static final int MCS_GIVE_UP = 11; 569 static final int UPDATED_MEDIA_STATUS = 12; 570 static final int WRITE_SETTINGS = 13; 571 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 572 static final int PACKAGE_VERIFIED = 15; 573 static final int CHECK_PENDING_VERIFICATION = 16; 574 575 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 576 577 // Delay time in millisecs 578 static final int BROADCAST_DELAY = 10 * 1000; 579 580 static UserManagerService sUserManager; 581 582 // Stores a list of users whose package restrictions file needs to be updated 583 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 584 585 final private DefaultContainerConnection mDefContainerConn = 586 new DefaultContainerConnection(); 587 class DefaultContainerConnection implements ServiceConnection { 588 public void onServiceConnected(ComponentName name, IBinder service) { 589 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 590 IMediaContainerService imcs = 591 IMediaContainerService.Stub.asInterface(service); 592 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 593 } 594 595 public void onServiceDisconnected(ComponentName name) { 596 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 597 } 598 }; 599 600 // Recordkeeping of restore-after-install operations that are currently in flight 601 // between the Package Manager and the Backup Manager 602 class PostInstallData { 603 public InstallArgs args; 604 public PackageInstalledInfo res; 605 606 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 607 args = _a; 608 res = _r; 609 } 610 }; 611 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 612 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 613 614 private final String mRequiredVerifierPackage; 615 616 private final PackageUsage mPackageUsage = new PackageUsage(); 617 618 private class PackageUsage { 619 private static final int WRITE_INTERVAL 620 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 621 622 private final Object mFileLock = new Object(); 623 private final AtomicLong mLastWritten = new AtomicLong(0); 624 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 625 626 private boolean mIsHistoricalPackageUsageAvailable = true; 627 628 boolean isHistoricalPackageUsageAvailable() { 629 return mIsHistoricalPackageUsageAvailable; 630 } 631 632 void write(boolean force) { 633 if (force) { 634 writeInternal(); 635 return; 636 } 637 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 638 && !DEBUG_DEXOPT) { 639 return; 640 } 641 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 642 new Thread("PackageUsage_DiskWriter") { 643 @Override 644 public void run() { 645 try { 646 writeInternal(); 647 } finally { 648 mBackgroundWriteRunning.set(false); 649 } 650 } 651 }.start(); 652 } 653 } 654 655 private void writeInternal() { 656 synchronized (mPackages) { 657 synchronized (mFileLock) { 658 AtomicFile file = getFile(); 659 FileOutputStream f = null; 660 try { 661 f = file.startWrite(); 662 BufferedOutputStream out = new BufferedOutputStream(f); 663 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 664 StringBuilder sb = new StringBuilder(); 665 for (PackageParser.Package pkg : mPackages.values()) { 666 if (pkg.mLastPackageUsageTimeInMills == 0) { 667 continue; 668 } 669 sb.setLength(0); 670 sb.append(pkg.packageName); 671 sb.append(' '); 672 sb.append((long)pkg.mLastPackageUsageTimeInMills); 673 sb.append('\n'); 674 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 675 } 676 out.flush(); 677 file.finishWrite(f); 678 } catch (IOException e) { 679 if (f != null) { 680 file.failWrite(f); 681 } 682 Log.e(TAG, "Failed to write package usage times", e); 683 } 684 } 685 } 686 mLastWritten.set(SystemClock.elapsedRealtime()); 687 } 688 689 void readLP() { 690 synchronized (mFileLock) { 691 AtomicFile file = getFile(); 692 BufferedInputStream in = null; 693 try { 694 in = new BufferedInputStream(file.openRead()); 695 StringBuffer sb = new StringBuffer(); 696 while (true) { 697 String packageName = readToken(in, sb, ' '); 698 if (packageName == null) { 699 break; 700 } 701 String timeInMillisString = readToken(in, sb, '\n'); 702 if (timeInMillisString == null) { 703 throw new IOException("Failed to find last usage time for package " 704 + packageName); 705 } 706 PackageParser.Package pkg = mPackages.get(packageName); 707 if (pkg == null) { 708 continue; 709 } 710 long timeInMillis; 711 try { 712 timeInMillis = Long.parseLong(timeInMillisString.toString()); 713 } catch (NumberFormatException e) { 714 throw new IOException("Failed to parse " + timeInMillisString 715 + " as a long.", e); 716 } 717 pkg.mLastPackageUsageTimeInMills = timeInMillis; 718 } 719 } catch (FileNotFoundException expected) { 720 mIsHistoricalPackageUsageAvailable = false; 721 } catch (IOException e) { 722 Log.w(TAG, "Failed to read package usage times", e); 723 } finally { 724 IoUtils.closeQuietly(in); 725 } 726 } 727 mLastWritten.set(SystemClock.elapsedRealtime()); 728 } 729 730 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 731 throws IOException { 732 sb.setLength(0); 733 while (true) { 734 int ch = in.read(); 735 if (ch == -1) { 736 if (sb.length() == 0) { 737 return null; 738 } 739 throw new IOException("Unexpected EOF"); 740 } 741 if (ch == endOfToken) { 742 return sb.toString(); 743 } 744 sb.append((char)ch); 745 } 746 } 747 748 private AtomicFile getFile() { 749 File dataDir = Environment.getDataDirectory(); 750 File systemDir = new File(dataDir, "system"); 751 File fname = new File(systemDir, "package-usage.list"); 752 return new AtomicFile(fname); 753 } 754 } 755 756 class PackageHandler extends Handler { 757 private boolean mBound = false; 758 final ArrayList<HandlerParams> mPendingInstalls = 759 new ArrayList<HandlerParams>(); 760 761 private boolean connectToService() { 762 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 763 " DefaultContainerService"); 764 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 765 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 766 if (mContext.bindServiceAsUser(service, mDefContainerConn, 767 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 768 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 769 mBound = true; 770 return true; 771 } 772 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 773 return false; 774 } 775 776 private void disconnectService() { 777 mContainerService = null; 778 mBound = false; 779 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 780 mContext.unbindService(mDefContainerConn); 781 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 782 } 783 784 PackageHandler(Looper looper) { 785 super(looper); 786 } 787 788 public void handleMessage(Message msg) { 789 try { 790 doHandleMessage(msg); 791 } finally { 792 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 793 } 794 } 795 796 void doHandleMessage(Message msg) { 797 switch (msg.what) { 798 case INIT_COPY: { 799 HandlerParams params = (HandlerParams) msg.obj; 800 int idx = mPendingInstalls.size(); 801 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 802 // If a bind was already initiated we dont really 803 // need to do anything. The pending install 804 // will be processed later on. 805 if (!mBound) { 806 // If this is the only one pending we might 807 // have to bind to the service again. 808 if (!connectToService()) { 809 Slog.e(TAG, "Failed to bind to media container service"); 810 params.serviceError(); 811 return; 812 } else { 813 // Once we bind to the service, the first 814 // pending request will be processed. 815 mPendingInstalls.add(idx, params); 816 } 817 } else { 818 mPendingInstalls.add(idx, params); 819 // Already bound to the service. Just make 820 // sure we trigger off processing the first request. 821 if (idx == 0) { 822 mHandler.sendEmptyMessage(MCS_BOUND); 823 } 824 } 825 break; 826 } 827 case MCS_BOUND: { 828 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 829 if (msg.obj != null) { 830 mContainerService = (IMediaContainerService) msg.obj; 831 } 832 if (mContainerService == null) { 833 // Something seriously wrong. Bail out 834 Slog.e(TAG, "Cannot bind to media container service"); 835 for (HandlerParams params : mPendingInstalls) { 836 // Indicate service bind error 837 params.serviceError(); 838 } 839 mPendingInstalls.clear(); 840 } else if (mPendingInstalls.size() > 0) { 841 HandlerParams params = mPendingInstalls.get(0); 842 if (params != null) { 843 if (params.startCopy()) { 844 // We are done... look for more work or to 845 // go idle. 846 if (DEBUG_SD_INSTALL) Log.i(TAG, 847 "Checking for more work or unbind..."); 848 // Delete pending install 849 if (mPendingInstalls.size() > 0) { 850 mPendingInstalls.remove(0); 851 } 852 if (mPendingInstalls.size() == 0) { 853 if (mBound) { 854 if (DEBUG_SD_INSTALL) Log.i(TAG, 855 "Posting delayed MCS_UNBIND"); 856 removeMessages(MCS_UNBIND); 857 Message ubmsg = obtainMessage(MCS_UNBIND); 858 // Unbind after a little delay, to avoid 859 // continual thrashing. 860 sendMessageDelayed(ubmsg, 10000); 861 } 862 } else { 863 // There are more pending requests in queue. 864 // Just post MCS_BOUND message to trigger processing 865 // of next pending install. 866 if (DEBUG_SD_INSTALL) Log.i(TAG, 867 "Posting MCS_BOUND for next work"); 868 mHandler.sendEmptyMessage(MCS_BOUND); 869 } 870 } 871 } 872 } else { 873 // Should never happen ideally. 874 Slog.w(TAG, "Empty queue"); 875 } 876 break; 877 } 878 case MCS_RECONNECT: { 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 880 if (mPendingInstalls.size() > 0) { 881 if (mBound) { 882 disconnectService(); 883 } 884 if (!connectToService()) { 885 Slog.e(TAG, "Failed to bind to media container service"); 886 for (HandlerParams params : mPendingInstalls) { 887 // Indicate service bind error 888 params.serviceError(); 889 } 890 mPendingInstalls.clear(); 891 } 892 } 893 break; 894 } 895 case MCS_UNBIND: { 896 // If there is no actual work left, then time to unbind. 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 898 899 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 900 if (mBound) { 901 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 902 903 disconnectService(); 904 } 905 } else if (mPendingInstalls.size() > 0) { 906 // There are more pending requests in queue. 907 // Just post MCS_BOUND message to trigger processing 908 // of next pending install. 909 mHandler.sendEmptyMessage(MCS_BOUND); 910 } 911 912 break; 913 } 914 case MCS_GIVE_UP: { 915 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 916 mPendingInstalls.remove(0); 917 break; 918 } 919 case SEND_PENDING_BROADCAST: { 920 String packages[]; 921 ArrayList<String> components[]; 922 int size = 0; 923 int uids[]; 924 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 925 synchronized (mPackages) { 926 if (mPendingBroadcasts == null) { 927 return; 928 } 929 size = mPendingBroadcasts.size(); 930 if (size <= 0) { 931 // Nothing to be done. Just return 932 return; 933 } 934 packages = new String[size]; 935 components = new ArrayList[size]; 936 uids = new int[size]; 937 int i = 0; // filling out the above arrays 938 939 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 940 int packageUserId = mPendingBroadcasts.userIdAt(n); 941 Iterator<Map.Entry<String, ArrayList<String>>> it 942 = mPendingBroadcasts.packagesForUserId(packageUserId) 943 .entrySet().iterator(); 944 while (it.hasNext() && i < size) { 945 Map.Entry<String, ArrayList<String>> ent = it.next(); 946 packages[i] = ent.getKey(); 947 components[i] = ent.getValue(); 948 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 949 uids[i] = (ps != null) 950 ? UserHandle.getUid(packageUserId, ps.appId) 951 : -1; 952 i++; 953 } 954 } 955 size = i; 956 mPendingBroadcasts.clear(); 957 } 958 // Send broadcasts 959 for (int i = 0; i < size; i++) { 960 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 961 } 962 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 963 break; 964 } 965 case START_CLEANING_PACKAGE: { 966 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 967 final String packageName = (String)msg.obj; 968 final int userId = msg.arg1; 969 final boolean andCode = msg.arg2 != 0; 970 synchronized (mPackages) { 971 if (userId == UserHandle.USER_ALL) { 972 int[] users = sUserManager.getUserIds(); 973 for (int user : users) { 974 mSettings.addPackageToCleanLPw( 975 new PackageCleanItem(user, packageName, andCode)); 976 } 977 } else { 978 mSettings.addPackageToCleanLPw( 979 new PackageCleanItem(userId, packageName, andCode)); 980 } 981 } 982 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 983 startCleaningPackages(); 984 } break; 985 case POST_INSTALL: { 986 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 987 PostInstallData data = mRunningInstalls.get(msg.arg1); 988 mRunningInstalls.delete(msg.arg1); 989 boolean deleteOld = false; 990 991 if (data != null) { 992 InstallArgs args = data.args; 993 PackageInstalledInfo res = data.res; 994 995 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 996 res.removedInfo.sendBroadcast(false, true, false); 997 Bundle extras = new Bundle(1); 998 extras.putInt(Intent.EXTRA_UID, res.uid); 999 // Determine the set of users who are adding this 1000 // package for the first time vs. those who are seeing 1001 // an update. 1002 int[] firstUsers; 1003 int[] updateUsers = new int[0]; 1004 if (res.origUsers == null || res.origUsers.length == 0) { 1005 firstUsers = res.newUsers; 1006 } else { 1007 firstUsers = new int[0]; 1008 for (int i=0; i<res.newUsers.length; i++) { 1009 int user = res.newUsers[i]; 1010 boolean isNew = true; 1011 for (int j=0; j<res.origUsers.length; j++) { 1012 if (res.origUsers[j] == user) { 1013 isNew = false; 1014 break; 1015 } 1016 } 1017 if (isNew) { 1018 int[] newFirst = new int[firstUsers.length+1]; 1019 System.arraycopy(firstUsers, 0, newFirst, 0, 1020 firstUsers.length); 1021 newFirst[firstUsers.length] = user; 1022 firstUsers = newFirst; 1023 } else { 1024 int[] newUpdate = new int[updateUsers.length+1]; 1025 System.arraycopy(updateUsers, 0, newUpdate, 0, 1026 updateUsers.length); 1027 newUpdate[updateUsers.length] = user; 1028 updateUsers = newUpdate; 1029 } 1030 } 1031 } 1032 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1033 res.pkg.applicationInfo.packageName, 1034 extras, null, null, firstUsers); 1035 final boolean update = res.removedInfo.removedPackage != null; 1036 if (update) { 1037 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1038 } 1039 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1040 res.pkg.applicationInfo.packageName, 1041 extras, null, null, updateUsers); 1042 if (update) { 1043 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1044 res.pkg.applicationInfo.packageName, 1045 extras, null, null, updateUsers); 1046 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1047 null, null, 1048 res.pkg.applicationInfo.packageName, null, updateUsers); 1049 1050 // treat asec-hosted packages like removable media on upgrade 1051 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1052 if (DEBUG_INSTALL) { 1053 Slog.i(TAG, "upgrading pkg " + res.pkg 1054 + " is ASEC-hosted -> AVAILABLE"); 1055 } 1056 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1057 ArrayList<String> pkgList = new ArrayList<String>(1); 1058 pkgList.add(res.pkg.applicationInfo.packageName); 1059 sendResourcesChangedBroadcast(true, true, 1060 pkgList,uidArray, null); 1061 } 1062 } 1063 if (res.removedInfo.args != null) { 1064 // Remove the replaced package's older resources safely now 1065 deleteOld = true; 1066 } 1067 1068 // Log current value of "unknown sources" setting 1069 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1070 getUnknownSourcesSettings()); 1071 } 1072 // Force a gc to clear up things 1073 Runtime.getRuntime().gc(); 1074 // We delete after a gc for applications on sdcard. 1075 if (deleteOld) { 1076 synchronized (mInstallLock) { 1077 res.removedInfo.args.doPostDeleteLI(true); 1078 } 1079 } 1080 if (args.observer != null) { 1081 try { 1082 Bundle extras = extrasForInstallResult(res); 1083 args.observer.onPackageInstalled(res.name, res.returnCode, 1084 res.returnMsg, extras); 1085 } catch (RemoteException e) { 1086 Slog.i(TAG, "Observer no longer exists."); 1087 } 1088 } 1089 } else { 1090 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1091 } 1092 } break; 1093 case UPDATED_MEDIA_STATUS: { 1094 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1095 boolean reportStatus = msg.arg1 == 1; 1096 boolean doGc = msg.arg2 == 1; 1097 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1098 if (doGc) { 1099 // Force a gc to clear up stale containers. 1100 Runtime.getRuntime().gc(); 1101 } 1102 if (msg.obj != null) { 1103 @SuppressWarnings("unchecked") 1104 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1105 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1106 // Unload containers 1107 unloadAllContainers(args); 1108 } 1109 if (reportStatus) { 1110 try { 1111 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1112 PackageHelper.getMountService().finishMediaUpdate(); 1113 } catch (RemoteException e) { 1114 Log.e(TAG, "MountService not running?"); 1115 } 1116 } 1117 } break; 1118 case WRITE_SETTINGS: { 1119 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1120 synchronized (mPackages) { 1121 removeMessages(WRITE_SETTINGS); 1122 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1123 mSettings.writeLPr(); 1124 mDirtyUsers.clear(); 1125 } 1126 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1127 } break; 1128 case WRITE_PACKAGE_RESTRICTIONS: { 1129 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1130 synchronized (mPackages) { 1131 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1132 for (int userId : mDirtyUsers) { 1133 mSettings.writePackageRestrictionsLPr(userId); 1134 } 1135 mDirtyUsers.clear(); 1136 } 1137 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1138 } break; 1139 case CHECK_PENDING_VERIFICATION: { 1140 final int verificationId = msg.arg1; 1141 final PackageVerificationState state = mPendingVerification.get(verificationId); 1142 1143 if ((state != null) && !state.timeoutExtended()) { 1144 final InstallArgs args = state.getInstallArgs(); 1145 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1146 1147 Slog.i(TAG, "Verification timed out for " + originUri); 1148 mPendingVerification.remove(verificationId); 1149 1150 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1151 1152 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1153 Slog.i(TAG, "Continuing with installation of " + originUri); 1154 state.setVerifierResponse(Binder.getCallingUid(), 1155 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1156 broadcastPackageVerified(verificationId, originUri, 1157 PackageManager.VERIFICATION_ALLOW, 1158 state.getInstallArgs().getUser()); 1159 try { 1160 ret = args.copyApk(mContainerService, true); 1161 } catch (RemoteException e) { 1162 Slog.e(TAG, "Could not contact the ContainerService"); 1163 } 1164 } else { 1165 broadcastPackageVerified(verificationId, originUri, 1166 PackageManager.VERIFICATION_REJECT, 1167 state.getInstallArgs().getUser()); 1168 } 1169 1170 processPendingInstall(args, ret); 1171 mHandler.sendEmptyMessage(MCS_UNBIND); 1172 } 1173 break; 1174 } 1175 case PACKAGE_VERIFIED: { 1176 final int verificationId = msg.arg1; 1177 1178 final PackageVerificationState state = mPendingVerification.get(verificationId); 1179 if (state == null) { 1180 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1181 break; 1182 } 1183 1184 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1185 1186 state.setVerifierResponse(response.callerUid, response.code); 1187 1188 if (state.isVerificationComplete()) { 1189 mPendingVerification.remove(verificationId); 1190 1191 final InstallArgs args = state.getInstallArgs(); 1192 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1193 1194 int ret; 1195 if (state.isInstallAllowed()) { 1196 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1197 broadcastPackageVerified(verificationId, originUri, 1198 response.code, state.getInstallArgs().getUser()); 1199 try { 1200 ret = args.copyApk(mContainerService, true); 1201 } catch (RemoteException e) { 1202 Slog.e(TAG, "Could not contact the ContainerService"); 1203 } 1204 } else { 1205 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1206 } 1207 1208 processPendingInstall(args, ret); 1209 1210 mHandler.sendEmptyMessage(MCS_UNBIND); 1211 } 1212 1213 break; 1214 } 1215 } 1216 } 1217 } 1218 1219 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1220 Bundle extras = null; 1221 switch (res.returnCode) { 1222 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1223 extras = new Bundle(); 1224 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1225 res.origPermission); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1227 res.origPackage); 1228 break; 1229 } 1230 } 1231 return extras; 1232 } 1233 1234 void scheduleWriteSettingsLocked() { 1235 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1236 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1237 } 1238 } 1239 1240 void scheduleWritePackageRestrictionsLocked(int userId) { 1241 if (!sUserManager.exists(userId)) return; 1242 mDirtyUsers.add(userId); 1243 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1244 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1245 } 1246 } 1247 1248 public static final PackageManagerService main(Context context, Installer installer, 1249 boolean factoryTest, boolean onlyCore) { 1250 PackageManagerService m = new PackageManagerService(context, installer, 1251 factoryTest, onlyCore); 1252 ServiceManager.addService("package", m); 1253 return m; 1254 } 1255 1256 static String[] splitString(String str, char sep) { 1257 int count = 1; 1258 int i = 0; 1259 while ((i=str.indexOf(sep, i)) >= 0) { 1260 count++; 1261 i++; 1262 } 1263 1264 String[] res = new String[count]; 1265 i=0; 1266 count = 0; 1267 int lastI=0; 1268 while ((i=str.indexOf(sep, i)) >= 0) { 1269 res[count] = str.substring(lastI, i); 1270 count++; 1271 i++; 1272 lastI = i; 1273 } 1274 res[count] = str.substring(lastI, str.length()); 1275 return res; 1276 } 1277 1278 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1279 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1280 Context.DISPLAY_SERVICE); 1281 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1282 } 1283 1284 public PackageManagerService(Context context, Installer installer, 1285 boolean factoryTest, boolean onlyCore) { 1286 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1287 SystemClock.uptimeMillis()); 1288 1289 if (mSdkVersion <= 0) { 1290 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1291 } 1292 1293 mContext = context; 1294 mFactoryTest = factoryTest; 1295 mOnlyCore = onlyCore; 1296 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1297 mMetrics = new DisplayMetrics(); 1298 mSettings = new Settings(context); 1299 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1300 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1301 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1302 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1304 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1306 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1308 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1310 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1311 1312 // TODO: add a property to control this? 1313 long dexOptLRUThresholdInMinutes; 1314 if (mLazyDexOpt) { 1315 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1316 } else { 1317 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1318 } 1319 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1320 1321 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1322 if (separateProcesses != null && separateProcesses.length() > 0) { 1323 if ("*".equals(separateProcesses)) { 1324 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1325 mSeparateProcesses = null; 1326 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1327 } else { 1328 mDefParseFlags = 0; 1329 mSeparateProcesses = separateProcesses.split(","); 1330 Slog.w(TAG, "Running with debug.separate_processes: " 1331 + separateProcesses); 1332 } 1333 } else { 1334 mDefParseFlags = 0; 1335 mSeparateProcesses = null; 1336 } 1337 1338 mInstaller = installer; 1339 mPackageDexOptimizer = new PackageDexOptimizer(this); 1340 1341 getDefaultDisplayMetrics(context, mMetrics); 1342 1343 SystemConfig systemConfig = SystemConfig.getInstance(); 1344 mGlobalGids = systemConfig.getGlobalGids(); 1345 mSystemPermissions = systemConfig.getSystemPermissions(); 1346 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1347 1348 synchronized (mInstallLock) { 1349 // writer 1350 synchronized (mPackages) { 1351 mHandlerThread = new ServiceThread(TAG, 1352 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1353 mHandlerThread.start(); 1354 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1355 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1356 1357 File dataDir = Environment.getDataDirectory(); 1358 mAppDataDir = new File(dataDir, "data"); 1359 mAppInstallDir = new File(dataDir, "app"); 1360 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1361 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1362 mUserAppDataDir = new File(dataDir, "user"); 1363 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1364 1365 sUserManager = new UserManagerService(context, this, 1366 mInstallLock, mPackages); 1367 1368 // Propagate permission configuration in to package manager. 1369 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1370 = systemConfig.getPermissions(); 1371 for (int i=0; i<permConfig.size(); i++) { 1372 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1373 BasePermission bp = mSettings.mPermissions.get(perm.name); 1374 if (bp == null) { 1375 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1376 mSettings.mPermissions.put(perm.name, bp); 1377 } 1378 if (perm.gids != null) { 1379 bp.gids = appendInts(bp.gids, perm.gids); 1380 } 1381 } 1382 1383 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1384 for (int i=0; i<libConfig.size(); i++) { 1385 mSharedLibraries.put(libConfig.keyAt(i), 1386 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1387 } 1388 1389 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1390 1391 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1392 mSdkVersion, mOnlyCore); 1393 1394 String customResolverActivity = Resources.getSystem().getString( 1395 R.string.config_customResolverActivity); 1396 if (TextUtils.isEmpty(customResolverActivity)) { 1397 customResolverActivity = null; 1398 } else { 1399 mCustomResolverComponentName = ComponentName.unflattenFromString( 1400 customResolverActivity); 1401 } 1402 1403 long startTime = SystemClock.uptimeMillis(); 1404 1405 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1406 startTime); 1407 1408 // Set flag to monitor and not change apk file paths when 1409 // scanning install directories. 1410 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1411 1412 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1413 1414 /** 1415 * Add everything in the in the boot class path to the 1416 * list of process files because dexopt will have been run 1417 * if necessary during zygote startup. 1418 */ 1419 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1420 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1421 1422 if (bootClassPath != null) { 1423 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1424 for (String element : bootClassPathElements) { 1425 alreadyDexOpted.add(element); 1426 } 1427 } else { 1428 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1429 } 1430 1431 if (systemServerClassPath != null) { 1432 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1433 for (String element : systemServerClassPathElements) { 1434 alreadyDexOpted.add(element); 1435 } 1436 } else { 1437 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1438 } 1439 1440 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1441 final String[] dexCodeInstructionSets = 1442 getDexCodeInstructionSets( 1443 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1444 1445 /** 1446 * Ensure all external libraries have had dexopt run on them. 1447 */ 1448 if (mSharedLibraries.size() > 0) { 1449 // NOTE: For now, we're compiling these system "shared libraries" 1450 // (and framework jars) into all available architectures. It's possible 1451 // to compile them only when we come across an app that uses them (there's 1452 // already logic for that in scanPackageLI) but that adds some complexity. 1453 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1454 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1455 final String lib = libEntry.path; 1456 if (lib == null) { 1457 continue; 1458 } 1459 1460 try { 1461 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1462 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1463 alreadyDexOpted.add(lib); 1464 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1465 } 1466 } catch (FileNotFoundException e) { 1467 Slog.w(TAG, "Library not found: " + lib); 1468 } catch (IOException e) { 1469 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1470 + e.getMessage()); 1471 } 1472 } 1473 } 1474 } 1475 1476 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1477 1478 // Gross hack for now: we know this file doesn't contain any 1479 // code, so don't dexopt it to avoid the resulting log spew. 1480 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1481 1482 // Gross hack for now: we know this file is only part of 1483 // the boot class path for art, so don't dexopt it to 1484 // avoid the resulting log spew. 1485 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1486 1487 /** 1488 * And there are a number of commands implemented in Java, which 1489 * we currently need to do the dexopt on so that they can be 1490 * run from a non-root shell. 1491 */ 1492 String[] frameworkFiles = frameworkDir.list(); 1493 if (frameworkFiles != null) { 1494 // TODO: We could compile these only for the most preferred ABI. We should 1495 // first double check that the dex files for these commands are not referenced 1496 // by other system apps. 1497 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1498 for (int i=0; i<frameworkFiles.length; i++) { 1499 File libPath = new File(frameworkDir, frameworkFiles[i]); 1500 String path = libPath.getPath(); 1501 // Skip the file if we already did it. 1502 if (alreadyDexOpted.contains(path)) { 1503 continue; 1504 } 1505 // Skip the file if it is not a type we want to dexopt. 1506 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1507 continue; 1508 } 1509 try { 1510 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 1511 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1512 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1513 } 1514 } catch (FileNotFoundException e) { 1515 Slog.w(TAG, "Jar not found: " + path); 1516 } catch (IOException e) { 1517 Slog.w(TAG, "Exception reading jar: " + path, e); 1518 } 1519 } 1520 } 1521 } 1522 1523 // Collect vendor overlay packages. 1524 // (Do this before scanning any apps.) 1525 // For security and version matching reason, only consider 1526 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1527 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1528 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1529 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1530 1531 // Find base frameworks (resource packages without code). 1532 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1533 | PackageParser.PARSE_IS_SYSTEM_DIR 1534 | PackageParser.PARSE_IS_PRIVILEGED, 1535 scanFlags | SCAN_NO_DEX, 0); 1536 1537 // Collected privileged system packages. 1538 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1539 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1540 | PackageParser.PARSE_IS_SYSTEM_DIR 1541 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1542 1543 // Collect ordinary system packages. 1544 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1545 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1546 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1547 1548 // Collect all vendor packages. 1549 File vendorAppDir = new File("/vendor/app"); 1550 try { 1551 vendorAppDir = vendorAppDir.getCanonicalFile(); 1552 } catch (IOException e) { 1553 // failed to look up canonical path, continue with original one 1554 } 1555 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1556 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1557 1558 // Collect all OEM packages. 1559 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1560 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1561 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1562 1563 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1564 mInstaller.moveFiles(); 1565 1566 // Prune any system packages that no longer exist. 1567 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1568 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1569 if (!mOnlyCore) { 1570 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1571 while (psit.hasNext()) { 1572 PackageSetting ps = psit.next(); 1573 1574 /* 1575 * If this is not a system app, it can't be a 1576 * disable system app. 1577 */ 1578 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1579 continue; 1580 } 1581 1582 /* 1583 * If the package is scanned, it's not erased. 1584 */ 1585 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1586 if (scannedPkg != null) { 1587 /* 1588 * If the system app is both scanned and in the 1589 * disabled packages list, then it must have been 1590 * added via OTA. Remove it from the currently 1591 * scanned package so the previously user-installed 1592 * application can be scanned. 1593 */ 1594 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1595 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1596 + ps.name + "; removing system app. Last known codePath=" 1597 + ps.codePathString + ", installStatus=" + ps.installStatus 1598 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1599 + scannedPkg.mVersionCode); 1600 removePackageLI(ps, true); 1601 expectingBetter.put(ps.name, ps.codePath); 1602 } 1603 1604 continue; 1605 } 1606 1607 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1608 psit.remove(); 1609 logCriticalInfo(Log.WARN, "System package " + ps.name 1610 + " no longer exists; wiping its data"); 1611 removeDataDirsLI(ps.name); 1612 } else { 1613 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1614 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1615 possiblyDeletedUpdatedSystemApps.add(ps.name); 1616 } 1617 } 1618 } 1619 } 1620 1621 //look for any incomplete package installations 1622 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1623 //clean up list 1624 for(int i = 0; i < deletePkgsList.size(); i++) { 1625 //clean up here 1626 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1627 } 1628 //delete tmp files 1629 deleteTempPackageFiles(); 1630 1631 // Remove any shared userIDs that have no associated packages 1632 mSettings.pruneSharedUsersLPw(); 1633 1634 if (!mOnlyCore) { 1635 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1636 SystemClock.uptimeMillis()); 1637 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 1638 1639 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1640 scanFlags | SCAN_REQUIRE_KNOWN, 0); 1641 1642 /** 1643 * Remove disable package settings for any updated system 1644 * apps that were removed via an OTA. If they're not a 1645 * previously-updated app, remove them completely. 1646 * Otherwise, just revoke their system-level permissions. 1647 */ 1648 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1649 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1650 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1651 1652 String msg; 1653 if (deletedPkg == null) { 1654 msg = "Updated system package " + deletedAppName 1655 + " no longer exists; wiping its data"; 1656 removeDataDirsLI(deletedAppName); 1657 } else { 1658 msg = "Updated system app + " + deletedAppName 1659 + " no longer present; removing system privileges for " 1660 + deletedAppName; 1661 1662 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1663 1664 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1665 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1666 } 1667 logCriticalInfo(Log.WARN, msg); 1668 } 1669 1670 /** 1671 * Make sure all system apps that we expected to appear on 1672 * the userdata partition actually showed up. If they never 1673 * appeared, crawl back and revive the system version. 1674 */ 1675 for (int i = 0; i < expectingBetter.size(); i++) { 1676 final String packageName = expectingBetter.keyAt(i); 1677 if (!mPackages.containsKey(packageName)) { 1678 final File scanFile = expectingBetter.valueAt(i); 1679 1680 logCriticalInfo(Log.WARN, "Expected better " + packageName 1681 + " but never showed up; reverting to system"); 1682 1683 final int reparseFlags; 1684 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1685 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1686 | PackageParser.PARSE_IS_SYSTEM_DIR 1687 | PackageParser.PARSE_IS_PRIVILEGED; 1688 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1689 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1690 | PackageParser.PARSE_IS_SYSTEM_DIR; 1691 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1692 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1693 | PackageParser.PARSE_IS_SYSTEM_DIR; 1694 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1695 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1696 | PackageParser.PARSE_IS_SYSTEM_DIR; 1697 } else { 1698 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1699 continue; 1700 } 1701 1702 mSettings.enableSystemPackageLPw(packageName); 1703 1704 try { 1705 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1706 } catch (PackageManagerException e) { 1707 Slog.e(TAG, "Failed to parse original system package: " 1708 + e.getMessage()); 1709 } 1710 } 1711 } 1712 } 1713 1714 // Now that we know all of the shared libraries, update all clients to have 1715 // the correct library paths. 1716 updateAllSharedLibrariesLPw(); 1717 1718 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1719 // NOTE: We ignore potential failures here during a system scan (like 1720 // the rest of the commands above) because there's precious little we 1721 // can do about it. A settings error is reported, though. 1722 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1723 false /* force dexopt */, false /* defer dexopt */); 1724 } 1725 1726 // Now that we know all the packages we are keeping, 1727 // read and update their last usage times. 1728 mPackageUsage.readLP(); 1729 1730 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1731 SystemClock.uptimeMillis()); 1732 Slog.i(TAG, "Time to scan packages: " 1733 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1734 + " seconds"); 1735 1736 // If the platform SDK has changed since the last time we booted, 1737 // we need to re-grant app permission to catch any new ones that 1738 // appear. This is really a hack, and means that apps can in some 1739 // cases get permissions that the user didn't initially explicitly 1740 // allow... it would be nice to have some better way to handle 1741 // this situation. 1742 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1743 != mSdkVersion; 1744 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1745 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1746 + "; regranting permissions for internal storage"); 1747 mSettings.mInternalSdkPlatform = mSdkVersion; 1748 1749 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1750 | (regrantPermissions 1751 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1752 : 0)); 1753 1754 // If this is the first boot, and it is a normal boot, then 1755 // we need to initialize the default preferred apps. 1756 if (!mRestoredSettings && !onlyCore) { 1757 mSettings.readDefaultPreferredAppsLPw(this, 0); 1758 } 1759 1760 // If this is first boot after an OTA, and a normal boot, then 1761 // we need to clear code cache directories. 1762 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1763 if (mIsUpgrade && !onlyCore) { 1764 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1765 for (String pkgName : mSettings.mPackages.keySet()) { 1766 deleteCodeCacheDirsLI(pkgName); 1767 } 1768 mSettings.mFingerprint = Build.FINGERPRINT; 1769 } 1770 1771 // All the changes are done during package scanning. 1772 mSettings.updateInternalDatabaseVersion(); 1773 1774 // can downgrade to reader 1775 mSettings.writeLPr(); 1776 1777 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1778 SystemClock.uptimeMillis()); 1779 1780 1781 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1782 } // synchronized (mPackages) 1783 } // synchronized (mInstallLock) 1784 1785 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1786 1787 // Now after opening every single application zip, make sure they 1788 // are all flushed. Not really needed, but keeps things nice and 1789 // tidy. 1790 Runtime.getRuntime().gc(); 1791 } 1792 1793 @Override 1794 public boolean isFirstBoot() { 1795 return !mRestoredSettings; 1796 } 1797 1798 @Override 1799 public boolean isOnlyCoreApps() { 1800 return mOnlyCore; 1801 } 1802 1803 @Override 1804 public boolean isUpgrade() { 1805 return mIsUpgrade; 1806 } 1807 1808 private String getRequiredVerifierLPr() { 1809 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1810 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1811 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1812 1813 String requiredVerifier = null; 1814 1815 final int N = receivers.size(); 1816 for (int i = 0; i < N; i++) { 1817 final ResolveInfo info = receivers.get(i); 1818 1819 if (info.activityInfo == null) { 1820 continue; 1821 } 1822 1823 final String packageName = info.activityInfo.packageName; 1824 1825 final PackageSetting ps = mSettings.mPackages.get(packageName); 1826 if (ps == null) { 1827 continue; 1828 } 1829 1830 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1831 if (!gp.grantedPermissions 1832 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1833 continue; 1834 } 1835 1836 if (requiredVerifier != null) { 1837 throw new RuntimeException("There can be only one required verifier"); 1838 } 1839 1840 requiredVerifier = packageName; 1841 } 1842 1843 return requiredVerifier; 1844 } 1845 1846 @Override 1847 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1848 throws RemoteException { 1849 try { 1850 return super.onTransact(code, data, reply, flags); 1851 } catch (RuntimeException e) { 1852 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1853 Slog.wtf(TAG, "Package Manager Crash", e); 1854 } 1855 throw e; 1856 } 1857 } 1858 1859 void cleanupInstallFailedPackage(PackageSetting ps) { 1860 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1861 1862 removeDataDirsLI(ps.name); 1863 if (ps.codePath != null) { 1864 if (ps.codePath.isDirectory()) { 1865 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 1866 } else { 1867 ps.codePath.delete(); 1868 } 1869 } 1870 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1871 if (ps.resourcePath.isDirectory()) { 1872 FileUtils.deleteContents(ps.resourcePath); 1873 } 1874 ps.resourcePath.delete(); 1875 } 1876 mSettings.removePackageLPw(ps.name); 1877 } 1878 1879 static int[] appendInts(int[] cur, int[] add) { 1880 if (add == null) return cur; 1881 if (cur == null) return add; 1882 final int N = add.length; 1883 for (int i=0; i<N; i++) { 1884 cur = appendInt(cur, add[i]); 1885 } 1886 return cur; 1887 } 1888 1889 static int[] removeInts(int[] cur, int[] rem) { 1890 if (rem == null) return cur; 1891 if (cur == null) return cur; 1892 final int N = rem.length; 1893 for (int i=0; i<N; i++) { 1894 cur = removeInt(cur, rem[i]); 1895 } 1896 return cur; 1897 } 1898 1899 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1900 if (!sUserManager.exists(userId)) return null; 1901 final PackageSetting ps = (PackageSetting) p.mExtras; 1902 if (ps == null) { 1903 return null; 1904 } 1905 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1906 final PackageUserState state = ps.readUserState(userId); 1907 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1908 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1909 state, userId); 1910 } 1911 1912 @Override 1913 public boolean isPackageAvailable(String packageName, int userId) { 1914 if (!sUserManager.exists(userId)) return false; 1915 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1916 synchronized (mPackages) { 1917 PackageParser.Package p = mPackages.get(packageName); 1918 if (p != null) { 1919 final PackageSetting ps = (PackageSetting) p.mExtras; 1920 if (ps != null) { 1921 final PackageUserState state = ps.readUserState(userId); 1922 if (state != null) { 1923 return PackageParser.isAvailable(state); 1924 } 1925 } 1926 } 1927 } 1928 return false; 1929 } 1930 1931 @Override 1932 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1933 if (!sUserManager.exists(userId)) return null; 1934 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1935 // reader 1936 synchronized (mPackages) { 1937 PackageParser.Package p = mPackages.get(packageName); 1938 if (DEBUG_PACKAGE_INFO) 1939 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1940 if (p != null) { 1941 return generatePackageInfo(p, flags, userId); 1942 } 1943 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1944 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1945 } 1946 } 1947 return null; 1948 } 1949 1950 @Override 1951 public String[] currentToCanonicalPackageNames(String[] names) { 1952 String[] out = new String[names.length]; 1953 // reader 1954 synchronized (mPackages) { 1955 for (int i=names.length-1; i>=0; i--) { 1956 PackageSetting ps = mSettings.mPackages.get(names[i]); 1957 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1958 } 1959 } 1960 return out; 1961 } 1962 1963 @Override 1964 public String[] canonicalToCurrentPackageNames(String[] names) { 1965 String[] out = new String[names.length]; 1966 // reader 1967 synchronized (mPackages) { 1968 for (int i=names.length-1; i>=0; i--) { 1969 String cur = mSettings.mRenamedPackages.get(names[i]); 1970 out[i] = cur != null ? cur : names[i]; 1971 } 1972 } 1973 return out; 1974 } 1975 1976 @Override 1977 public int getPackageUid(String packageName, int userId) { 1978 if (!sUserManager.exists(userId)) return -1; 1979 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1980 // reader 1981 synchronized (mPackages) { 1982 PackageParser.Package p = mPackages.get(packageName); 1983 if(p != null) { 1984 return UserHandle.getUid(userId, p.applicationInfo.uid); 1985 } 1986 PackageSetting ps = mSettings.mPackages.get(packageName); 1987 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1988 return -1; 1989 } 1990 p = ps.pkg; 1991 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1992 } 1993 } 1994 1995 @Override 1996 public int[] getPackageGids(String packageName) { 1997 // reader 1998 synchronized (mPackages) { 1999 PackageParser.Package p = mPackages.get(packageName); 2000 if (DEBUG_PACKAGE_INFO) 2001 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2002 if (p != null) { 2003 final PackageSetting ps = (PackageSetting)p.mExtras; 2004 return ps.getGids(); 2005 } 2006 } 2007 // stupid thing to indicate an error. 2008 return new int[0]; 2009 } 2010 2011 static final PermissionInfo generatePermissionInfo( 2012 BasePermission bp, int flags) { 2013 if (bp.perm != null) { 2014 return PackageParser.generatePermissionInfo(bp.perm, flags); 2015 } 2016 PermissionInfo pi = new PermissionInfo(); 2017 pi.name = bp.name; 2018 pi.packageName = bp.sourcePackage; 2019 pi.nonLocalizedLabel = bp.name; 2020 pi.protectionLevel = bp.protectionLevel; 2021 return pi; 2022 } 2023 2024 @Override 2025 public PermissionInfo getPermissionInfo(String name, int flags) { 2026 // reader 2027 synchronized (mPackages) { 2028 final BasePermission p = mSettings.mPermissions.get(name); 2029 if (p != null) { 2030 return generatePermissionInfo(p, flags); 2031 } 2032 return null; 2033 } 2034 } 2035 2036 @Override 2037 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2038 // reader 2039 synchronized (mPackages) { 2040 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2041 for (BasePermission p : mSettings.mPermissions.values()) { 2042 if (group == null) { 2043 if (p.perm == null || p.perm.info.group == null) { 2044 out.add(generatePermissionInfo(p, flags)); 2045 } 2046 } else { 2047 if (p.perm != null && group.equals(p.perm.info.group)) { 2048 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2049 } 2050 } 2051 } 2052 2053 if (out.size() > 0) { 2054 return out; 2055 } 2056 return mPermissionGroups.containsKey(group) ? out : null; 2057 } 2058 } 2059 2060 @Override 2061 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2062 // reader 2063 synchronized (mPackages) { 2064 return PackageParser.generatePermissionGroupInfo( 2065 mPermissionGroups.get(name), flags); 2066 } 2067 } 2068 2069 @Override 2070 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2071 // reader 2072 synchronized (mPackages) { 2073 final int N = mPermissionGroups.size(); 2074 ArrayList<PermissionGroupInfo> out 2075 = new ArrayList<PermissionGroupInfo>(N); 2076 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2077 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2078 } 2079 return out; 2080 } 2081 } 2082 2083 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2084 int userId) { 2085 if (!sUserManager.exists(userId)) return null; 2086 PackageSetting ps = mSettings.mPackages.get(packageName); 2087 if (ps != null) { 2088 if (ps.pkg == null) { 2089 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2090 flags, userId); 2091 if (pInfo != null) { 2092 return pInfo.applicationInfo; 2093 } 2094 return null; 2095 } 2096 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2097 ps.readUserState(userId), userId); 2098 } 2099 return null; 2100 } 2101 2102 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2103 int userId) { 2104 if (!sUserManager.exists(userId)) return null; 2105 PackageSetting ps = mSettings.mPackages.get(packageName); 2106 if (ps != null) { 2107 PackageParser.Package pkg = ps.pkg; 2108 if (pkg == null) { 2109 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2110 return null; 2111 } 2112 // Only data remains, so we aren't worried about code paths 2113 pkg = new PackageParser.Package(packageName); 2114 pkg.applicationInfo.packageName = packageName; 2115 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2116 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2117 pkg.applicationInfo.dataDir = 2118 getDataPathForPackage(packageName, 0).getPath(); 2119 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2120 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2121 } 2122 return generatePackageInfo(pkg, flags, userId); 2123 } 2124 return null; 2125 } 2126 2127 @Override 2128 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2129 if (!sUserManager.exists(userId)) return null; 2130 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2131 // writer 2132 synchronized (mPackages) { 2133 PackageParser.Package p = mPackages.get(packageName); 2134 if (DEBUG_PACKAGE_INFO) Log.v( 2135 TAG, "getApplicationInfo " + packageName 2136 + ": " + p); 2137 if (p != null) { 2138 PackageSetting ps = mSettings.mPackages.get(packageName); 2139 if (ps == null) return null; 2140 // Note: isEnabledLP() does not apply here - always return info 2141 return PackageParser.generateApplicationInfo( 2142 p, flags, ps.readUserState(userId), userId); 2143 } 2144 if ("android".equals(packageName)||"system".equals(packageName)) { 2145 return mAndroidApplication; 2146 } 2147 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2148 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2149 } 2150 } 2151 return null; 2152 } 2153 2154 2155 @Override 2156 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2157 mContext.enforceCallingOrSelfPermission( 2158 android.Manifest.permission.CLEAR_APP_CACHE, null); 2159 // Queue up an async operation since clearing cache may take a little while. 2160 mHandler.post(new Runnable() { 2161 public void run() { 2162 mHandler.removeCallbacks(this); 2163 int retCode = -1; 2164 synchronized (mInstallLock) { 2165 retCode = mInstaller.freeCache(freeStorageSize); 2166 if (retCode < 0) { 2167 Slog.w(TAG, "Couldn't clear application caches"); 2168 } 2169 } 2170 if (observer != null) { 2171 try { 2172 observer.onRemoveCompleted(null, (retCode >= 0)); 2173 } catch (RemoteException e) { 2174 Slog.w(TAG, "RemoveException when invoking call back"); 2175 } 2176 } 2177 } 2178 }); 2179 } 2180 2181 @Override 2182 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2183 mContext.enforceCallingOrSelfPermission( 2184 android.Manifest.permission.CLEAR_APP_CACHE, null); 2185 // Queue up an async operation since clearing cache may take a little while. 2186 mHandler.post(new Runnable() { 2187 public void run() { 2188 mHandler.removeCallbacks(this); 2189 int retCode = -1; 2190 synchronized (mInstallLock) { 2191 retCode = mInstaller.freeCache(freeStorageSize); 2192 if (retCode < 0) { 2193 Slog.w(TAG, "Couldn't clear application caches"); 2194 } 2195 } 2196 if(pi != null) { 2197 try { 2198 // Callback via pending intent 2199 int code = (retCode >= 0) ? 1 : 0; 2200 pi.sendIntent(null, code, null, 2201 null, null); 2202 } catch (SendIntentException e1) { 2203 Slog.i(TAG, "Failed to send pending intent"); 2204 } 2205 } 2206 } 2207 }); 2208 } 2209 2210 void freeStorage(long freeStorageSize) throws IOException { 2211 synchronized (mInstallLock) { 2212 if (mInstaller.freeCache(freeStorageSize) < 0) { 2213 throw new IOException("Failed to free enough space"); 2214 } 2215 } 2216 } 2217 2218 @Override 2219 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2220 if (!sUserManager.exists(userId)) return null; 2221 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2222 synchronized (mPackages) { 2223 PackageParser.Activity a = mActivities.mActivities.get(component); 2224 2225 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2226 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2227 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2228 if (ps == null) return null; 2229 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2230 userId); 2231 } 2232 if (mResolveComponentName.equals(component)) { 2233 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2234 new PackageUserState(), userId); 2235 } 2236 } 2237 return null; 2238 } 2239 2240 @Override 2241 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2242 String resolvedType) { 2243 synchronized (mPackages) { 2244 PackageParser.Activity a = mActivities.mActivities.get(component); 2245 if (a == null) { 2246 return false; 2247 } 2248 for (int i=0; i<a.intents.size(); i++) { 2249 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2250 intent.getData(), intent.getCategories(), TAG) >= 0) { 2251 return true; 2252 } 2253 } 2254 return false; 2255 } 2256 } 2257 2258 @Override 2259 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2260 if (!sUserManager.exists(userId)) return null; 2261 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2262 synchronized (mPackages) { 2263 PackageParser.Activity a = mReceivers.mActivities.get(component); 2264 if (DEBUG_PACKAGE_INFO) Log.v( 2265 TAG, "getReceiverInfo " + component + ": " + a); 2266 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2267 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2268 if (ps == null) return null; 2269 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2270 userId); 2271 } 2272 } 2273 return null; 2274 } 2275 2276 @Override 2277 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2278 if (!sUserManager.exists(userId)) return null; 2279 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2280 synchronized (mPackages) { 2281 PackageParser.Service s = mServices.mServices.get(component); 2282 if (DEBUG_PACKAGE_INFO) Log.v( 2283 TAG, "getServiceInfo " + component + ": " + s); 2284 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2285 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2286 if (ps == null) return null; 2287 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2288 userId); 2289 } 2290 } 2291 return null; 2292 } 2293 2294 @Override 2295 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2296 if (!sUserManager.exists(userId)) return null; 2297 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2298 synchronized (mPackages) { 2299 PackageParser.Provider p = mProviders.mProviders.get(component); 2300 if (DEBUG_PACKAGE_INFO) Log.v( 2301 TAG, "getProviderInfo " + component + ": " + p); 2302 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2303 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2304 if (ps == null) return null; 2305 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2306 userId); 2307 } 2308 } 2309 return null; 2310 } 2311 2312 @Override 2313 public String[] getSystemSharedLibraryNames() { 2314 Set<String> libSet; 2315 synchronized (mPackages) { 2316 libSet = mSharedLibraries.keySet(); 2317 int size = libSet.size(); 2318 if (size > 0) { 2319 String[] libs = new String[size]; 2320 libSet.toArray(libs); 2321 return libs; 2322 } 2323 } 2324 return null; 2325 } 2326 2327 /** 2328 * @hide 2329 */ 2330 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2331 synchronized (mPackages) { 2332 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2333 if (lib != null && lib.apk != null) { 2334 return mPackages.get(lib.apk); 2335 } 2336 } 2337 return null; 2338 } 2339 2340 @Override 2341 public FeatureInfo[] getSystemAvailableFeatures() { 2342 Collection<FeatureInfo> featSet; 2343 synchronized (mPackages) { 2344 featSet = mAvailableFeatures.values(); 2345 int size = featSet.size(); 2346 if (size > 0) { 2347 FeatureInfo[] features = new FeatureInfo[size+1]; 2348 featSet.toArray(features); 2349 FeatureInfo fi = new FeatureInfo(); 2350 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2351 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2352 features[size] = fi; 2353 return features; 2354 } 2355 } 2356 return null; 2357 } 2358 2359 @Override 2360 public boolean hasSystemFeature(String name) { 2361 synchronized (mPackages) { 2362 return mAvailableFeatures.containsKey(name); 2363 } 2364 } 2365 2366 private void checkValidCaller(int uid, int userId) { 2367 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2368 return; 2369 2370 throw new SecurityException("Caller uid=" + uid 2371 + " is not privileged to communicate with user=" + userId); 2372 } 2373 2374 @Override 2375 public int checkPermission(String permName, String pkgName) { 2376 synchronized (mPackages) { 2377 PackageParser.Package p = mPackages.get(pkgName); 2378 if (p != null && p.mExtras != null) { 2379 PackageSetting ps = (PackageSetting)p.mExtras; 2380 if (ps.sharedUser != null) { 2381 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2382 return PackageManager.PERMISSION_GRANTED; 2383 } 2384 } else if (ps.grantedPermissions.contains(permName)) { 2385 return PackageManager.PERMISSION_GRANTED; 2386 } 2387 } 2388 } 2389 return PackageManager.PERMISSION_DENIED; 2390 } 2391 2392 @Override 2393 public int checkUidPermission(String permName, int uid) { 2394 synchronized (mPackages) { 2395 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2396 if (obj != null) { 2397 GrantedPermissions gp = (GrantedPermissions)obj; 2398 if (gp.grantedPermissions.contains(permName)) { 2399 return PackageManager.PERMISSION_GRANTED; 2400 } 2401 } else { 2402 ArraySet<String> perms = mSystemPermissions.get(uid); 2403 if (perms != null && perms.contains(permName)) { 2404 return PackageManager.PERMISSION_GRANTED; 2405 } 2406 } 2407 } 2408 return PackageManager.PERMISSION_DENIED; 2409 } 2410 2411 /** 2412 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2413 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2414 * @param checkShell TODO(yamasani): 2415 * @param message the message to log on security exception 2416 */ 2417 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2418 boolean checkShell, String message) { 2419 if (userId < 0) { 2420 throw new IllegalArgumentException("Invalid userId " + userId); 2421 } 2422 if (checkShell) { 2423 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2424 } 2425 if (userId == UserHandle.getUserId(callingUid)) return; 2426 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2427 if (requireFullPermission) { 2428 mContext.enforceCallingOrSelfPermission( 2429 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2430 } else { 2431 try { 2432 mContext.enforceCallingOrSelfPermission( 2433 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2434 } catch (SecurityException se) { 2435 mContext.enforceCallingOrSelfPermission( 2436 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2437 } 2438 } 2439 } 2440 } 2441 2442 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2443 if (callingUid == Process.SHELL_UID) { 2444 if (userHandle >= 0 2445 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2446 throw new SecurityException("Shell does not have permission to access user " 2447 + userHandle); 2448 } else if (userHandle < 0) { 2449 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2450 + Debug.getCallers(3)); 2451 } 2452 } 2453 } 2454 2455 private BasePermission findPermissionTreeLP(String permName) { 2456 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2457 if (permName.startsWith(bp.name) && 2458 permName.length() > bp.name.length() && 2459 permName.charAt(bp.name.length()) == '.') { 2460 return bp; 2461 } 2462 } 2463 return null; 2464 } 2465 2466 private BasePermission checkPermissionTreeLP(String permName) { 2467 if (permName != null) { 2468 BasePermission bp = findPermissionTreeLP(permName); 2469 if (bp != null) { 2470 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2471 return bp; 2472 } 2473 throw new SecurityException("Calling uid " 2474 + Binder.getCallingUid() 2475 + " is not allowed to add to permission tree " 2476 + bp.name + " owned by uid " + bp.uid); 2477 } 2478 } 2479 throw new SecurityException("No permission tree found for " + permName); 2480 } 2481 2482 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2483 if (s1 == null) { 2484 return s2 == null; 2485 } 2486 if (s2 == null) { 2487 return false; 2488 } 2489 if (s1.getClass() != s2.getClass()) { 2490 return false; 2491 } 2492 return s1.equals(s2); 2493 } 2494 2495 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2496 if (pi1.icon != pi2.icon) return false; 2497 if (pi1.logo != pi2.logo) return false; 2498 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2499 if (!compareStrings(pi1.name, pi2.name)) return false; 2500 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2501 // We'll take care of setting this one. 2502 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2503 // These are not currently stored in settings. 2504 //if (!compareStrings(pi1.group, pi2.group)) return false; 2505 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2506 //if (pi1.labelRes != pi2.labelRes) return false; 2507 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2508 return true; 2509 } 2510 2511 int permissionInfoFootprint(PermissionInfo info) { 2512 int size = info.name.length(); 2513 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2514 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2515 return size; 2516 } 2517 2518 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2519 int size = 0; 2520 for (BasePermission perm : mSettings.mPermissions.values()) { 2521 if (perm.uid == tree.uid) { 2522 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2523 } 2524 } 2525 return size; 2526 } 2527 2528 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2529 // We calculate the max size of permissions defined by this uid and throw 2530 // if that plus the size of 'info' would exceed our stated maximum. 2531 if (tree.uid != Process.SYSTEM_UID) { 2532 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2533 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2534 throw new SecurityException("Permission tree size cap exceeded"); 2535 } 2536 } 2537 } 2538 2539 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2540 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2541 throw new SecurityException("Label must be specified in permission"); 2542 } 2543 BasePermission tree = checkPermissionTreeLP(info.name); 2544 BasePermission bp = mSettings.mPermissions.get(info.name); 2545 boolean added = bp == null; 2546 boolean changed = true; 2547 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2548 if (added) { 2549 enforcePermissionCapLocked(info, tree); 2550 bp = new BasePermission(info.name, tree.sourcePackage, 2551 BasePermission.TYPE_DYNAMIC); 2552 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2553 throw new SecurityException( 2554 "Not allowed to modify non-dynamic permission " 2555 + info.name); 2556 } else { 2557 if (bp.protectionLevel == fixedLevel 2558 && bp.perm.owner.equals(tree.perm.owner) 2559 && bp.uid == tree.uid 2560 && comparePermissionInfos(bp.perm.info, info)) { 2561 changed = false; 2562 } 2563 } 2564 bp.protectionLevel = fixedLevel; 2565 info = new PermissionInfo(info); 2566 info.protectionLevel = fixedLevel; 2567 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2568 bp.perm.info.packageName = tree.perm.info.packageName; 2569 bp.uid = tree.uid; 2570 if (added) { 2571 mSettings.mPermissions.put(info.name, bp); 2572 } 2573 if (changed) { 2574 if (!async) { 2575 mSettings.writeLPr(); 2576 } else { 2577 scheduleWriteSettingsLocked(); 2578 } 2579 } 2580 return added; 2581 } 2582 2583 @Override 2584 public boolean addPermission(PermissionInfo info) { 2585 synchronized (mPackages) { 2586 return addPermissionLocked(info, false); 2587 } 2588 } 2589 2590 @Override 2591 public boolean addPermissionAsync(PermissionInfo info) { 2592 synchronized (mPackages) { 2593 return addPermissionLocked(info, true); 2594 } 2595 } 2596 2597 @Override 2598 public void removePermission(String name) { 2599 synchronized (mPackages) { 2600 checkPermissionTreeLP(name); 2601 BasePermission bp = mSettings.mPermissions.get(name); 2602 if (bp != null) { 2603 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2604 throw new SecurityException( 2605 "Not allowed to modify non-dynamic permission " 2606 + name); 2607 } 2608 mSettings.mPermissions.remove(name); 2609 mSettings.writeLPr(); 2610 } 2611 } 2612 } 2613 2614 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2615 int index = pkg.requestedPermissions.indexOf(bp.name); 2616 if (index == -1) { 2617 throw new SecurityException("Package " + pkg.packageName 2618 + " has not requested permission " + bp.name); 2619 } 2620 boolean isNormal = 2621 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2622 == PermissionInfo.PROTECTION_NORMAL); 2623 boolean isDangerous = 2624 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2625 == PermissionInfo.PROTECTION_DANGEROUS); 2626 boolean isDevelopment = 2627 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2628 2629 if (!isNormal && !isDangerous && !isDevelopment) { 2630 throw new SecurityException("Permission " + bp.name 2631 + " is not a changeable permission type"); 2632 } 2633 2634 if (isNormal || isDangerous) { 2635 if (pkg.requestedPermissionsRequired.get(index)) { 2636 throw new SecurityException("Can't change " + bp.name 2637 + ". It is required by the application"); 2638 } 2639 } 2640 } 2641 2642 @Override 2643 public void grantPermission(String packageName, String permissionName) { 2644 mContext.enforceCallingOrSelfPermission( 2645 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2646 synchronized (mPackages) { 2647 final PackageParser.Package pkg = mPackages.get(packageName); 2648 if (pkg == null) { 2649 throw new IllegalArgumentException("Unknown package: " + packageName); 2650 } 2651 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2652 if (bp == null) { 2653 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2654 } 2655 2656 checkGrantRevokePermissions(pkg, bp); 2657 2658 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2659 if (ps == null) { 2660 return; 2661 } 2662 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2663 if (gp.grantedPermissions.add(permissionName)) { 2664 if (ps.haveGids) { 2665 gp.gids = appendInts(gp.gids, bp.gids); 2666 } 2667 mSettings.writeLPr(); 2668 } 2669 } 2670 } 2671 2672 @Override 2673 public void revokePermission(String packageName, String permissionName) { 2674 int changedAppId = -1; 2675 2676 synchronized (mPackages) { 2677 final PackageParser.Package pkg = mPackages.get(packageName); 2678 if (pkg == null) { 2679 throw new IllegalArgumentException("Unknown package: " + packageName); 2680 } 2681 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2682 mContext.enforceCallingOrSelfPermission( 2683 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2684 } 2685 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2686 if (bp == null) { 2687 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2688 } 2689 2690 checkGrantRevokePermissions(pkg, bp); 2691 2692 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2693 if (ps == null) { 2694 return; 2695 } 2696 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2697 if (gp.grantedPermissions.remove(permissionName)) { 2698 gp.grantedPermissions.remove(permissionName); 2699 if (ps.haveGids) { 2700 gp.gids = removeInts(gp.gids, bp.gids); 2701 } 2702 mSettings.writeLPr(); 2703 changedAppId = ps.appId; 2704 } 2705 } 2706 2707 if (changedAppId >= 0) { 2708 // We changed the perm on someone, kill its processes. 2709 IActivityManager am = ActivityManagerNative.getDefault(); 2710 if (am != null) { 2711 final int callingUserId = UserHandle.getCallingUserId(); 2712 final long ident = Binder.clearCallingIdentity(); 2713 try { 2714 //XXX we should only revoke for the calling user's app permissions, 2715 // but for now we impact all users. 2716 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2717 // "revoke " + permissionName); 2718 int[] users = sUserManager.getUserIds(); 2719 for (int user : users) { 2720 am.killUid(UserHandle.getUid(user, changedAppId), 2721 "revoke " + permissionName); 2722 } 2723 } catch (RemoteException e) { 2724 } finally { 2725 Binder.restoreCallingIdentity(ident); 2726 } 2727 } 2728 } 2729 } 2730 2731 @Override 2732 public boolean isProtectedBroadcast(String actionName) { 2733 synchronized (mPackages) { 2734 return mProtectedBroadcasts.contains(actionName); 2735 } 2736 } 2737 2738 @Override 2739 public int checkSignatures(String pkg1, String pkg2) { 2740 synchronized (mPackages) { 2741 final PackageParser.Package p1 = mPackages.get(pkg1); 2742 final PackageParser.Package p2 = mPackages.get(pkg2); 2743 if (p1 == null || p1.mExtras == null 2744 || p2 == null || p2.mExtras == null) { 2745 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2746 } 2747 return compareSignatures(p1.mSignatures, p2.mSignatures); 2748 } 2749 } 2750 2751 @Override 2752 public int checkUidSignatures(int uid1, int uid2) { 2753 // Map to base uids. 2754 uid1 = UserHandle.getAppId(uid1); 2755 uid2 = UserHandle.getAppId(uid2); 2756 // reader 2757 synchronized (mPackages) { 2758 Signature[] s1; 2759 Signature[] s2; 2760 Object obj = mSettings.getUserIdLPr(uid1); 2761 if (obj != null) { 2762 if (obj instanceof SharedUserSetting) { 2763 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2764 } else if (obj instanceof PackageSetting) { 2765 s1 = ((PackageSetting)obj).signatures.mSignatures; 2766 } else { 2767 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2768 } 2769 } else { 2770 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2771 } 2772 obj = mSettings.getUserIdLPr(uid2); 2773 if (obj != null) { 2774 if (obj instanceof SharedUserSetting) { 2775 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2776 } else if (obj instanceof PackageSetting) { 2777 s2 = ((PackageSetting)obj).signatures.mSignatures; 2778 } else { 2779 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2780 } 2781 } else { 2782 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2783 } 2784 return compareSignatures(s1, s2); 2785 } 2786 } 2787 2788 /** 2789 * Compares two sets of signatures. Returns: 2790 * <br /> 2791 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2792 * <br /> 2793 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2794 * <br /> 2795 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2796 * <br /> 2797 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2798 * <br /> 2799 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2800 */ 2801 static int compareSignatures(Signature[] s1, Signature[] s2) { 2802 if (s1 == null) { 2803 return s2 == null 2804 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2805 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2806 } 2807 2808 if (s2 == null) { 2809 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2810 } 2811 2812 if (s1.length != s2.length) { 2813 return PackageManager.SIGNATURE_NO_MATCH; 2814 } 2815 2816 // Since both signature sets are of size 1, we can compare without HashSets. 2817 if (s1.length == 1) { 2818 return s1[0].equals(s2[0]) ? 2819 PackageManager.SIGNATURE_MATCH : 2820 PackageManager.SIGNATURE_NO_MATCH; 2821 } 2822 2823 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2824 for (Signature sig : s1) { 2825 set1.add(sig); 2826 } 2827 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2828 for (Signature sig : s2) { 2829 set2.add(sig); 2830 } 2831 // Make sure s2 contains all signatures in s1. 2832 if (set1.equals(set2)) { 2833 return PackageManager.SIGNATURE_MATCH; 2834 } 2835 return PackageManager.SIGNATURE_NO_MATCH; 2836 } 2837 2838 /** 2839 * If the database version for this type of package (internal storage or 2840 * external storage) is less than the version where package signatures 2841 * were updated, return true. 2842 */ 2843 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2844 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2845 DatabaseVersion.SIGNATURE_END_ENTITY)) 2846 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2847 DatabaseVersion.SIGNATURE_END_ENTITY)); 2848 } 2849 2850 /** 2851 * Used for backward compatibility to make sure any packages with 2852 * certificate chains get upgraded to the new style. {@code existingSigs} 2853 * will be in the old format (since they were stored on disk from before the 2854 * system upgrade) and {@code scannedSigs} will be in the newer format. 2855 */ 2856 private int compareSignaturesCompat(PackageSignatures existingSigs, 2857 PackageParser.Package scannedPkg) { 2858 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2859 return PackageManager.SIGNATURE_NO_MATCH; 2860 } 2861 2862 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2863 for (Signature sig : existingSigs.mSignatures) { 2864 existingSet.add(sig); 2865 } 2866 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2867 for (Signature sig : scannedPkg.mSignatures) { 2868 try { 2869 Signature[] chainSignatures = sig.getChainSignatures(); 2870 for (Signature chainSig : chainSignatures) { 2871 scannedCompatSet.add(chainSig); 2872 } 2873 } catch (CertificateEncodingException e) { 2874 scannedCompatSet.add(sig); 2875 } 2876 } 2877 /* 2878 * Make sure the expanded scanned set contains all signatures in the 2879 * existing one. 2880 */ 2881 if (scannedCompatSet.equals(existingSet)) { 2882 // Migrate the old signatures to the new scheme. 2883 existingSigs.assignSignatures(scannedPkg.mSignatures); 2884 // The new KeySets will be re-added later in the scanning process. 2885 synchronized (mPackages) { 2886 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2887 } 2888 return PackageManager.SIGNATURE_MATCH; 2889 } 2890 return PackageManager.SIGNATURE_NO_MATCH; 2891 } 2892 2893 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2894 if (isExternal(scannedPkg)) { 2895 return mSettings.isExternalDatabaseVersionOlderThan( 2896 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2897 } else { 2898 return mSettings.isInternalDatabaseVersionOlderThan( 2899 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2900 } 2901 } 2902 2903 private int compareSignaturesRecover(PackageSignatures existingSigs, 2904 PackageParser.Package scannedPkg) { 2905 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2906 return PackageManager.SIGNATURE_NO_MATCH; 2907 } 2908 2909 String msg = null; 2910 try { 2911 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2912 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2913 + scannedPkg.packageName); 2914 return PackageManager.SIGNATURE_MATCH; 2915 } 2916 } catch (CertificateException e) { 2917 msg = e.getMessage(); 2918 } 2919 2920 logCriticalInfo(Log.INFO, 2921 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2922 return PackageManager.SIGNATURE_NO_MATCH; 2923 } 2924 2925 @Override 2926 public String[] getPackagesForUid(int uid) { 2927 uid = UserHandle.getAppId(uid); 2928 // reader 2929 synchronized (mPackages) { 2930 Object obj = mSettings.getUserIdLPr(uid); 2931 if (obj instanceof SharedUserSetting) { 2932 final SharedUserSetting sus = (SharedUserSetting) obj; 2933 final int N = sus.packages.size(); 2934 final String[] res = new String[N]; 2935 final Iterator<PackageSetting> it = sus.packages.iterator(); 2936 int i = 0; 2937 while (it.hasNext()) { 2938 res[i++] = it.next().name; 2939 } 2940 return res; 2941 } else if (obj instanceof PackageSetting) { 2942 final PackageSetting ps = (PackageSetting) obj; 2943 return new String[] { ps.name }; 2944 } 2945 } 2946 return null; 2947 } 2948 2949 @Override 2950 public String getNameForUid(int uid) { 2951 // reader 2952 synchronized (mPackages) { 2953 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2954 if (obj instanceof SharedUserSetting) { 2955 final SharedUserSetting sus = (SharedUserSetting) obj; 2956 return sus.name + ":" + sus.userId; 2957 } else if (obj instanceof PackageSetting) { 2958 final PackageSetting ps = (PackageSetting) obj; 2959 return ps.name; 2960 } 2961 } 2962 return null; 2963 } 2964 2965 @Override 2966 public int getUidForSharedUser(String sharedUserName) { 2967 if(sharedUserName == null) { 2968 return -1; 2969 } 2970 // reader 2971 synchronized (mPackages) { 2972 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 2973 if (suid == null) { 2974 return -1; 2975 } 2976 return suid.userId; 2977 } 2978 } 2979 2980 @Override 2981 public int getFlagsForUid(int uid) { 2982 synchronized (mPackages) { 2983 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2984 if (obj instanceof SharedUserSetting) { 2985 final SharedUserSetting sus = (SharedUserSetting) obj; 2986 return sus.pkgFlags; 2987 } else if (obj instanceof PackageSetting) { 2988 final PackageSetting ps = (PackageSetting) obj; 2989 return ps.pkgFlags; 2990 } 2991 } 2992 return 0; 2993 } 2994 2995 @Override 2996 public int getPrivateFlagsForUid(int uid) { 2997 synchronized (mPackages) { 2998 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2999 if (obj instanceof SharedUserSetting) { 3000 final SharedUserSetting sus = (SharedUserSetting) obj; 3001 return sus.pkgPrivateFlags; 3002 } else if (obj instanceof PackageSetting) { 3003 final PackageSetting ps = (PackageSetting) obj; 3004 return ps.pkgPrivateFlags; 3005 } 3006 } 3007 return 0; 3008 } 3009 3010 @Override 3011 public boolean isUidPrivileged(int uid) { 3012 uid = UserHandle.getAppId(uid); 3013 // reader 3014 synchronized (mPackages) { 3015 Object obj = mSettings.getUserIdLPr(uid); 3016 if (obj instanceof SharedUserSetting) { 3017 final SharedUserSetting sus = (SharedUserSetting) obj; 3018 final Iterator<PackageSetting> it = sus.packages.iterator(); 3019 while (it.hasNext()) { 3020 if (it.next().isPrivileged()) { 3021 return true; 3022 } 3023 } 3024 } else if (obj instanceof PackageSetting) { 3025 final PackageSetting ps = (PackageSetting) obj; 3026 return ps.isPrivileged(); 3027 } 3028 } 3029 return false; 3030 } 3031 3032 @Override 3033 public String[] getAppOpPermissionPackages(String permissionName) { 3034 synchronized (mPackages) { 3035 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3036 if (pkgs == null) { 3037 return null; 3038 } 3039 return pkgs.toArray(new String[pkgs.size()]); 3040 } 3041 } 3042 3043 @Override 3044 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3045 int flags, int userId) { 3046 if (!sUserManager.exists(userId)) return null; 3047 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3048 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3049 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3050 } 3051 3052 @Override 3053 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3054 IntentFilter filter, int match, ComponentName activity) { 3055 final int userId = UserHandle.getCallingUserId(); 3056 if (DEBUG_PREFERRED) { 3057 Log.v(TAG, "setLastChosenActivity intent=" + intent 3058 + " resolvedType=" + resolvedType 3059 + " flags=" + flags 3060 + " filter=" + filter 3061 + " match=" + match 3062 + " activity=" + activity); 3063 filter.dump(new PrintStreamPrinter(System.out), " "); 3064 } 3065 intent.setComponent(null); 3066 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3067 // Find any earlier preferred or last chosen entries and nuke them 3068 findPreferredActivity(intent, resolvedType, 3069 flags, query, 0, false, true, false, userId); 3070 // Add the new activity as the last chosen for this filter 3071 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3072 "Setting last chosen"); 3073 } 3074 3075 @Override 3076 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3077 final int userId = UserHandle.getCallingUserId(); 3078 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3079 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3080 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3081 false, false, false, userId); 3082 } 3083 3084 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3085 int flags, List<ResolveInfo> query, int userId) { 3086 if (query != null) { 3087 final int N = query.size(); 3088 if (N == 1) { 3089 return query.get(0); 3090 } else if (N > 1) { 3091 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3092 // If there is more than one activity with the same priority, 3093 // then let the user decide between them. 3094 ResolveInfo r0 = query.get(0); 3095 ResolveInfo r1 = query.get(1); 3096 if (DEBUG_INTENT_MATCHING || debug) { 3097 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3098 + r1.activityInfo.name + "=" + r1.priority); 3099 } 3100 // If the first activity has a higher priority, or a different 3101 // default, then it is always desireable to pick it. 3102 if (r0.priority != r1.priority 3103 || r0.preferredOrder != r1.preferredOrder 3104 || r0.isDefault != r1.isDefault) { 3105 return query.get(0); 3106 } 3107 // If we have saved a preference for a preferred activity for 3108 // this Intent, use that. 3109 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3110 flags, query, r0.priority, true, false, debug, userId); 3111 if (ri != null) { 3112 return ri; 3113 } 3114 if (userId != 0) { 3115 ri = new ResolveInfo(mResolveInfo); 3116 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3117 ri.activityInfo.applicationInfo = new ApplicationInfo( 3118 ri.activityInfo.applicationInfo); 3119 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3120 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3121 return ri; 3122 } 3123 return mResolveInfo; 3124 } 3125 } 3126 return null; 3127 } 3128 3129 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3130 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3131 final int N = query.size(); 3132 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3133 .get(userId); 3134 // Get the list of persistent preferred activities that handle the intent 3135 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3136 List<PersistentPreferredActivity> pprefs = ppir != null 3137 ? ppir.queryIntent(intent, resolvedType, 3138 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3139 : null; 3140 if (pprefs != null && pprefs.size() > 0) { 3141 final int M = pprefs.size(); 3142 for (int i=0; i<M; i++) { 3143 final PersistentPreferredActivity ppa = pprefs.get(i); 3144 if (DEBUG_PREFERRED || debug) { 3145 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3146 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3147 + "\n component=" + ppa.mComponent); 3148 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3149 } 3150 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3151 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3152 if (DEBUG_PREFERRED || debug) { 3153 Slog.v(TAG, "Found persistent preferred activity:"); 3154 if (ai != null) { 3155 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3156 } else { 3157 Slog.v(TAG, " null"); 3158 } 3159 } 3160 if (ai == null) { 3161 // This previously registered persistent preferred activity 3162 // component is no longer known. Ignore it and do NOT remove it. 3163 continue; 3164 } 3165 for (int j=0; j<N; j++) { 3166 final ResolveInfo ri = query.get(j); 3167 if (!ri.activityInfo.applicationInfo.packageName 3168 .equals(ai.applicationInfo.packageName)) { 3169 continue; 3170 } 3171 if (!ri.activityInfo.name.equals(ai.name)) { 3172 continue; 3173 } 3174 // Found a persistent preference that can handle the intent. 3175 if (DEBUG_PREFERRED || debug) { 3176 Slog.v(TAG, "Returning persistent preferred activity: " + 3177 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3178 } 3179 return ri; 3180 } 3181 } 3182 } 3183 return null; 3184 } 3185 3186 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3187 List<ResolveInfo> query, int priority, boolean always, 3188 boolean removeMatches, boolean debug, int userId) { 3189 if (!sUserManager.exists(userId)) return null; 3190 // writer 3191 synchronized (mPackages) { 3192 if (intent.getSelector() != null) { 3193 intent = intent.getSelector(); 3194 } 3195 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3196 3197 // Try to find a matching persistent preferred activity. 3198 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3199 debug, userId); 3200 3201 // If a persistent preferred activity matched, use it. 3202 if (pri != null) { 3203 return pri; 3204 } 3205 3206 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3207 // Get the list of preferred activities that handle the intent 3208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3209 List<PreferredActivity> prefs = pir != null 3210 ? pir.queryIntent(intent, resolvedType, 3211 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3212 : null; 3213 if (prefs != null && prefs.size() > 0) { 3214 boolean changed = false; 3215 try { 3216 // First figure out how good the original match set is. 3217 // We will only allow preferred activities that came 3218 // from the same match quality. 3219 int match = 0; 3220 3221 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3222 3223 final int N = query.size(); 3224 for (int j=0; j<N; j++) { 3225 final ResolveInfo ri = query.get(j); 3226 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3227 + ": 0x" + Integer.toHexString(match)); 3228 if (ri.match > match) { 3229 match = ri.match; 3230 } 3231 } 3232 3233 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3234 + Integer.toHexString(match)); 3235 3236 match &= IntentFilter.MATCH_CATEGORY_MASK; 3237 final int M = prefs.size(); 3238 for (int i=0; i<M; i++) { 3239 final PreferredActivity pa = prefs.get(i); 3240 if (DEBUG_PREFERRED || debug) { 3241 Slog.v(TAG, "Checking PreferredActivity ds=" 3242 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3243 + "\n component=" + pa.mPref.mComponent); 3244 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3245 } 3246 if (pa.mPref.mMatch != match) { 3247 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3248 + Integer.toHexString(pa.mPref.mMatch)); 3249 continue; 3250 } 3251 // If it's not an "always" type preferred activity and that's what we're 3252 // looking for, skip it. 3253 if (always && !pa.mPref.mAlways) { 3254 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3255 continue; 3256 } 3257 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3258 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3259 if (DEBUG_PREFERRED || debug) { 3260 Slog.v(TAG, "Found preferred activity:"); 3261 if (ai != null) { 3262 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3263 } else { 3264 Slog.v(TAG, " null"); 3265 } 3266 } 3267 if (ai == null) { 3268 // This previously registered preferred activity 3269 // component is no longer known. Most likely an update 3270 // to the app was installed and in the new version this 3271 // component no longer exists. Clean it up by removing 3272 // it from the preferred activities list, and skip it. 3273 Slog.w(TAG, "Removing dangling preferred activity: " 3274 + pa.mPref.mComponent); 3275 pir.removeFilter(pa); 3276 changed = true; 3277 continue; 3278 } 3279 for (int j=0; j<N; j++) { 3280 final ResolveInfo ri = query.get(j); 3281 if (!ri.activityInfo.applicationInfo.packageName 3282 .equals(ai.applicationInfo.packageName)) { 3283 continue; 3284 } 3285 if (!ri.activityInfo.name.equals(ai.name)) { 3286 continue; 3287 } 3288 3289 if (removeMatches) { 3290 pir.removeFilter(pa); 3291 changed = true; 3292 if (DEBUG_PREFERRED) { 3293 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3294 } 3295 break; 3296 } 3297 3298 // Okay we found a previously set preferred or last chosen app. 3299 // If the result set is different from when this 3300 // was created, we need to clear it and re-ask the 3301 // user their preference, if we're looking for an "always" type entry. 3302 if (always && !pa.mPref.sameSet(query)) { 3303 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3304 + intent + " type " + resolvedType); 3305 if (DEBUG_PREFERRED) { 3306 Slog.v(TAG, "Removing preferred activity since set changed " 3307 + pa.mPref.mComponent); 3308 } 3309 pir.removeFilter(pa); 3310 // Re-add the filter as a "last chosen" entry (!always) 3311 PreferredActivity lastChosen = new PreferredActivity( 3312 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3313 pir.addFilter(lastChosen); 3314 changed = true; 3315 return null; 3316 } 3317 3318 // Yay! Either the set matched or we're looking for the last chosen 3319 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3320 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3321 return ri; 3322 } 3323 } 3324 } finally { 3325 if (changed) { 3326 if (DEBUG_PREFERRED) { 3327 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3328 } 3329 scheduleWritePackageRestrictionsLocked(userId); 3330 } 3331 } 3332 } 3333 } 3334 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3335 return null; 3336 } 3337 3338 /* 3339 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3340 */ 3341 @Override 3342 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3343 int targetUserId) { 3344 mContext.enforceCallingOrSelfPermission( 3345 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3346 List<CrossProfileIntentFilter> matches = 3347 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3348 if (matches != null) { 3349 int size = matches.size(); 3350 for (int i = 0; i < size; i++) { 3351 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3352 } 3353 } 3354 return false; 3355 } 3356 3357 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3358 String resolvedType, int userId) { 3359 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3360 if (resolver != null) { 3361 return resolver.queryIntent(intent, resolvedType, false, userId); 3362 } 3363 return null; 3364 } 3365 3366 @Override 3367 public List<ResolveInfo> queryIntentActivities(Intent intent, 3368 String resolvedType, int flags, int userId) { 3369 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3370 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3371 ComponentName comp = intent.getComponent(); 3372 if (comp == null) { 3373 if (intent.getSelector() != null) { 3374 intent = intent.getSelector(); 3375 comp = intent.getComponent(); 3376 } 3377 } 3378 3379 if (comp != null) { 3380 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3381 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3382 if (ai != null) { 3383 final ResolveInfo ri = new ResolveInfo(); 3384 ri.activityInfo = ai; 3385 list.add(ri); 3386 } 3387 return list; 3388 } 3389 3390 // reader 3391 synchronized (mPackages) { 3392 final String pkgName = intent.getPackage(); 3393 if (pkgName == null) { 3394 List<CrossProfileIntentFilter> matchingFilters = 3395 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3396 // Check for results that need to skip the current profile. 3397 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3398 resolvedType, flags, userId); 3399 if (resolveInfo != null) { 3400 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3401 result.add(resolveInfo); 3402 return result; 3403 } 3404 // Check for cross profile results. 3405 resolveInfo = queryCrossProfileIntents( 3406 matchingFilters, intent, resolvedType, flags, userId); 3407 3408 // Check for results in the current profile. 3409 List<ResolveInfo> result = mActivities.queryIntent( 3410 intent, resolvedType, flags, userId); 3411 if (resolveInfo != null) { 3412 result.add(resolveInfo); 3413 Collections.sort(result, mResolvePrioritySorter); 3414 } 3415 return result; 3416 } 3417 final PackageParser.Package pkg = mPackages.get(pkgName); 3418 if (pkg != null) { 3419 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3420 pkg.activities, userId); 3421 } 3422 return new ArrayList<ResolveInfo>(); 3423 } 3424 } 3425 3426 private ResolveInfo querySkipCurrentProfileIntents( 3427 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3428 int flags, int sourceUserId) { 3429 if (matchingFilters != null) { 3430 int size = matchingFilters.size(); 3431 for (int i = 0; i < size; i ++) { 3432 CrossProfileIntentFilter filter = matchingFilters.get(i); 3433 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3434 // Checking if there are activities in the target user that can handle the 3435 // intent. 3436 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3437 flags, sourceUserId); 3438 if (resolveInfo != null) { 3439 return resolveInfo; 3440 } 3441 } 3442 } 3443 } 3444 return null; 3445 } 3446 3447 // Return matching ResolveInfo if any for skip current profile intent filters. 3448 private ResolveInfo queryCrossProfileIntents( 3449 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3450 int flags, int sourceUserId) { 3451 if (matchingFilters != null) { 3452 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3453 // match the same intent. For performance reasons, it is better not to 3454 // run queryIntent twice for the same userId 3455 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3456 int size = matchingFilters.size(); 3457 for (int i = 0; i < size; i++) { 3458 CrossProfileIntentFilter filter = matchingFilters.get(i); 3459 int targetUserId = filter.getTargetUserId(); 3460 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3461 && !alreadyTriedUserIds.get(targetUserId)) { 3462 // Checking if there are activities in the target user that can handle the 3463 // intent. 3464 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3465 flags, sourceUserId); 3466 if (resolveInfo != null) return resolveInfo; 3467 alreadyTriedUserIds.put(targetUserId, true); 3468 } 3469 } 3470 } 3471 return null; 3472 } 3473 3474 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3475 String resolvedType, int flags, int sourceUserId) { 3476 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3477 resolvedType, flags, filter.getTargetUserId()); 3478 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3479 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3480 } 3481 return null; 3482 } 3483 3484 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3485 int sourceUserId, int targetUserId) { 3486 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3487 String className; 3488 if (targetUserId == UserHandle.USER_OWNER) { 3489 className = FORWARD_INTENT_TO_USER_OWNER; 3490 } else { 3491 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3492 } 3493 ComponentName forwardingActivityComponentName = new ComponentName( 3494 mAndroidApplication.packageName, className); 3495 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3496 sourceUserId); 3497 if (targetUserId == UserHandle.USER_OWNER) { 3498 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3499 forwardingResolveInfo.noResourceId = true; 3500 } 3501 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3502 forwardingResolveInfo.priority = 0; 3503 forwardingResolveInfo.preferredOrder = 0; 3504 forwardingResolveInfo.match = 0; 3505 forwardingResolveInfo.isDefault = true; 3506 forwardingResolveInfo.filter = filter; 3507 forwardingResolveInfo.targetUserId = targetUserId; 3508 return forwardingResolveInfo; 3509 } 3510 3511 @Override 3512 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3513 Intent[] specifics, String[] specificTypes, Intent intent, 3514 String resolvedType, int flags, int userId) { 3515 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3516 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3517 false, "query intent activity options"); 3518 final String resultsAction = intent.getAction(); 3519 3520 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3521 | PackageManager.GET_RESOLVED_FILTER, userId); 3522 3523 if (DEBUG_INTENT_MATCHING) { 3524 Log.v(TAG, "Query " + intent + ": " + results); 3525 } 3526 3527 int specificsPos = 0; 3528 int N; 3529 3530 // todo: note that the algorithm used here is O(N^2). This 3531 // isn't a problem in our current environment, but if we start running 3532 // into situations where we have more than 5 or 10 matches then this 3533 // should probably be changed to something smarter... 3534 3535 // First we go through and resolve each of the specific items 3536 // that were supplied, taking care of removing any corresponding 3537 // duplicate items in the generic resolve list. 3538 if (specifics != null) { 3539 for (int i=0; i<specifics.length; i++) { 3540 final Intent sintent = specifics[i]; 3541 if (sintent == null) { 3542 continue; 3543 } 3544 3545 if (DEBUG_INTENT_MATCHING) { 3546 Log.v(TAG, "Specific #" + i + ": " + sintent); 3547 } 3548 3549 String action = sintent.getAction(); 3550 if (resultsAction != null && resultsAction.equals(action)) { 3551 // If this action was explicitly requested, then don't 3552 // remove things that have it. 3553 action = null; 3554 } 3555 3556 ResolveInfo ri = null; 3557 ActivityInfo ai = null; 3558 3559 ComponentName comp = sintent.getComponent(); 3560 if (comp == null) { 3561 ri = resolveIntent( 3562 sintent, 3563 specificTypes != null ? specificTypes[i] : null, 3564 flags, userId); 3565 if (ri == null) { 3566 continue; 3567 } 3568 if (ri == mResolveInfo) { 3569 // ACK! Must do something better with this. 3570 } 3571 ai = ri.activityInfo; 3572 comp = new ComponentName(ai.applicationInfo.packageName, 3573 ai.name); 3574 } else { 3575 ai = getActivityInfo(comp, flags, userId); 3576 if (ai == null) { 3577 continue; 3578 } 3579 } 3580 3581 // Look for any generic query activities that are duplicates 3582 // of this specific one, and remove them from the results. 3583 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3584 N = results.size(); 3585 int j; 3586 for (j=specificsPos; j<N; j++) { 3587 ResolveInfo sri = results.get(j); 3588 if ((sri.activityInfo.name.equals(comp.getClassName()) 3589 && sri.activityInfo.applicationInfo.packageName.equals( 3590 comp.getPackageName())) 3591 || (action != null && sri.filter.matchAction(action))) { 3592 results.remove(j); 3593 if (DEBUG_INTENT_MATCHING) Log.v( 3594 TAG, "Removing duplicate item from " + j 3595 + " due to specific " + specificsPos); 3596 if (ri == null) { 3597 ri = sri; 3598 } 3599 j--; 3600 N--; 3601 } 3602 } 3603 3604 // Add this specific item to its proper place. 3605 if (ri == null) { 3606 ri = new ResolveInfo(); 3607 ri.activityInfo = ai; 3608 } 3609 results.add(specificsPos, ri); 3610 ri.specificIndex = i; 3611 specificsPos++; 3612 } 3613 } 3614 3615 // Now we go through the remaining generic results and remove any 3616 // duplicate actions that are found here. 3617 N = results.size(); 3618 for (int i=specificsPos; i<N-1; i++) { 3619 final ResolveInfo rii = results.get(i); 3620 if (rii.filter == null) { 3621 continue; 3622 } 3623 3624 // Iterate over all of the actions of this result's intent 3625 // filter... typically this should be just one. 3626 final Iterator<String> it = rii.filter.actionsIterator(); 3627 if (it == null) { 3628 continue; 3629 } 3630 while (it.hasNext()) { 3631 final String action = it.next(); 3632 if (resultsAction != null && resultsAction.equals(action)) { 3633 // If this action was explicitly requested, then don't 3634 // remove things that have it. 3635 continue; 3636 } 3637 for (int j=i+1; j<N; j++) { 3638 final ResolveInfo rij = results.get(j); 3639 if (rij.filter != null && rij.filter.hasAction(action)) { 3640 results.remove(j); 3641 if (DEBUG_INTENT_MATCHING) Log.v( 3642 TAG, "Removing duplicate item from " + j 3643 + " due to action " + action + " at " + i); 3644 j--; 3645 N--; 3646 } 3647 } 3648 } 3649 3650 // If the caller didn't request filter information, drop it now 3651 // so we don't have to marshall/unmarshall it. 3652 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3653 rii.filter = null; 3654 } 3655 } 3656 3657 // Filter out the caller activity if so requested. 3658 if (caller != null) { 3659 N = results.size(); 3660 for (int i=0; i<N; i++) { 3661 ActivityInfo ainfo = results.get(i).activityInfo; 3662 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3663 && caller.getClassName().equals(ainfo.name)) { 3664 results.remove(i); 3665 break; 3666 } 3667 } 3668 } 3669 3670 // If the caller didn't request filter information, 3671 // drop them now so we don't have to 3672 // marshall/unmarshall it. 3673 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3674 N = results.size(); 3675 for (int i=0; i<N; i++) { 3676 results.get(i).filter = null; 3677 } 3678 } 3679 3680 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3681 return results; 3682 } 3683 3684 @Override 3685 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3686 int userId) { 3687 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3688 ComponentName comp = intent.getComponent(); 3689 if (comp == null) { 3690 if (intent.getSelector() != null) { 3691 intent = intent.getSelector(); 3692 comp = intent.getComponent(); 3693 } 3694 } 3695 if (comp != null) { 3696 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3697 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3698 if (ai != null) { 3699 ResolveInfo ri = new ResolveInfo(); 3700 ri.activityInfo = ai; 3701 list.add(ri); 3702 } 3703 return list; 3704 } 3705 3706 // reader 3707 synchronized (mPackages) { 3708 String pkgName = intent.getPackage(); 3709 if (pkgName == null) { 3710 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3711 } 3712 final PackageParser.Package pkg = mPackages.get(pkgName); 3713 if (pkg != null) { 3714 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3715 userId); 3716 } 3717 return null; 3718 } 3719 } 3720 3721 @Override 3722 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3723 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3724 if (!sUserManager.exists(userId)) return null; 3725 if (query != null) { 3726 if (query.size() >= 1) { 3727 // If there is more than one service with the same priority, 3728 // just arbitrarily pick the first one. 3729 return query.get(0); 3730 } 3731 } 3732 return null; 3733 } 3734 3735 @Override 3736 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3737 int userId) { 3738 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3739 ComponentName comp = intent.getComponent(); 3740 if (comp == null) { 3741 if (intent.getSelector() != null) { 3742 intent = intent.getSelector(); 3743 comp = intent.getComponent(); 3744 } 3745 } 3746 if (comp != null) { 3747 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3748 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3749 if (si != null) { 3750 final ResolveInfo ri = new ResolveInfo(); 3751 ri.serviceInfo = si; 3752 list.add(ri); 3753 } 3754 return list; 3755 } 3756 3757 // reader 3758 synchronized (mPackages) { 3759 String pkgName = intent.getPackage(); 3760 if (pkgName == null) { 3761 return mServices.queryIntent(intent, resolvedType, flags, userId); 3762 } 3763 final PackageParser.Package pkg = mPackages.get(pkgName); 3764 if (pkg != null) { 3765 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3766 userId); 3767 } 3768 return null; 3769 } 3770 } 3771 3772 @Override 3773 public List<ResolveInfo> queryIntentContentProviders( 3774 Intent intent, String resolvedType, int flags, int userId) { 3775 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3776 ComponentName comp = intent.getComponent(); 3777 if (comp == null) { 3778 if (intent.getSelector() != null) { 3779 intent = intent.getSelector(); 3780 comp = intent.getComponent(); 3781 } 3782 } 3783 if (comp != null) { 3784 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3785 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3786 if (pi != null) { 3787 final ResolveInfo ri = new ResolveInfo(); 3788 ri.providerInfo = pi; 3789 list.add(ri); 3790 } 3791 return list; 3792 } 3793 3794 // reader 3795 synchronized (mPackages) { 3796 String pkgName = intent.getPackage(); 3797 if (pkgName == null) { 3798 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3799 } 3800 final PackageParser.Package pkg = mPackages.get(pkgName); 3801 if (pkg != null) { 3802 return mProviders.queryIntentForPackage( 3803 intent, resolvedType, flags, pkg.providers, userId); 3804 } 3805 return null; 3806 } 3807 } 3808 3809 @Override 3810 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3811 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3812 3813 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3814 3815 // writer 3816 synchronized (mPackages) { 3817 ArrayList<PackageInfo> list; 3818 if (listUninstalled) { 3819 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3820 for (PackageSetting ps : mSettings.mPackages.values()) { 3821 PackageInfo pi; 3822 if (ps.pkg != null) { 3823 pi = generatePackageInfo(ps.pkg, flags, userId); 3824 } else { 3825 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3826 } 3827 if (pi != null) { 3828 list.add(pi); 3829 } 3830 } 3831 } else { 3832 list = new ArrayList<PackageInfo>(mPackages.size()); 3833 for (PackageParser.Package p : mPackages.values()) { 3834 PackageInfo pi = generatePackageInfo(p, flags, userId); 3835 if (pi != null) { 3836 list.add(pi); 3837 } 3838 } 3839 } 3840 3841 return new ParceledListSlice<PackageInfo>(list); 3842 } 3843 } 3844 3845 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3846 String[] permissions, boolean[] tmp, int flags, int userId) { 3847 int numMatch = 0; 3848 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3849 for (int i=0; i<permissions.length; i++) { 3850 if (gp.grantedPermissions.contains(permissions[i])) { 3851 tmp[i] = true; 3852 numMatch++; 3853 } else { 3854 tmp[i] = false; 3855 } 3856 } 3857 if (numMatch == 0) { 3858 return; 3859 } 3860 PackageInfo pi; 3861 if (ps.pkg != null) { 3862 pi = generatePackageInfo(ps.pkg, flags, userId); 3863 } else { 3864 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3865 } 3866 // The above might return null in cases of uninstalled apps or install-state 3867 // skew across users/profiles. 3868 if (pi != null) { 3869 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3870 if (numMatch == permissions.length) { 3871 pi.requestedPermissions = permissions; 3872 } else { 3873 pi.requestedPermissions = new String[numMatch]; 3874 numMatch = 0; 3875 for (int i=0; i<permissions.length; i++) { 3876 if (tmp[i]) { 3877 pi.requestedPermissions[numMatch] = permissions[i]; 3878 numMatch++; 3879 } 3880 } 3881 } 3882 } 3883 list.add(pi); 3884 } 3885 } 3886 3887 @Override 3888 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3889 String[] permissions, int flags, int userId) { 3890 if (!sUserManager.exists(userId)) return null; 3891 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3892 3893 // writer 3894 synchronized (mPackages) { 3895 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3896 boolean[] tmpBools = new boolean[permissions.length]; 3897 if (listUninstalled) { 3898 for (PackageSetting ps : mSettings.mPackages.values()) { 3899 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3900 } 3901 } else { 3902 for (PackageParser.Package pkg : mPackages.values()) { 3903 PackageSetting ps = (PackageSetting)pkg.mExtras; 3904 if (ps != null) { 3905 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3906 userId); 3907 } 3908 } 3909 } 3910 3911 return new ParceledListSlice<PackageInfo>(list); 3912 } 3913 } 3914 3915 @Override 3916 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3917 if (!sUserManager.exists(userId)) return null; 3918 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3919 3920 // writer 3921 synchronized (mPackages) { 3922 ArrayList<ApplicationInfo> list; 3923 if (listUninstalled) { 3924 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3925 for (PackageSetting ps : mSettings.mPackages.values()) { 3926 ApplicationInfo ai; 3927 if (ps.pkg != null) { 3928 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3929 ps.readUserState(userId), userId); 3930 } else { 3931 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3932 } 3933 if (ai != null) { 3934 list.add(ai); 3935 } 3936 } 3937 } else { 3938 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3939 for (PackageParser.Package p : mPackages.values()) { 3940 if (p.mExtras != null) { 3941 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3942 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3943 if (ai != null) { 3944 list.add(ai); 3945 } 3946 } 3947 } 3948 } 3949 3950 return new ParceledListSlice<ApplicationInfo>(list); 3951 } 3952 } 3953 3954 public List<ApplicationInfo> getPersistentApplications(int flags) { 3955 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3956 3957 // reader 3958 synchronized (mPackages) { 3959 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3960 final int userId = UserHandle.getCallingUserId(); 3961 while (i.hasNext()) { 3962 final PackageParser.Package p = i.next(); 3963 if (p.applicationInfo != null 3964 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3965 && (!mSafeMode || isSystemApp(p))) { 3966 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3967 if (ps != null) { 3968 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3969 ps.readUserState(userId), userId); 3970 if (ai != null) { 3971 finalList.add(ai); 3972 } 3973 } 3974 } 3975 } 3976 } 3977 3978 return finalList; 3979 } 3980 3981 @Override 3982 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3983 if (!sUserManager.exists(userId)) return null; 3984 // reader 3985 synchronized (mPackages) { 3986 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3987 PackageSetting ps = provider != null 3988 ? mSettings.mPackages.get(provider.owner.packageName) 3989 : null; 3990 return ps != null 3991 && mSettings.isEnabledLPr(provider.info, flags, userId) 3992 && (!mSafeMode || (provider.info.applicationInfo.flags 3993 &ApplicationInfo.FLAG_SYSTEM) != 0) 3994 ? PackageParser.generateProviderInfo(provider, flags, 3995 ps.readUserState(userId), userId) 3996 : null; 3997 } 3998 } 3999 4000 /** 4001 * @deprecated 4002 */ 4003 @Deprecated 4004 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4005 // reader 4006 synchronized (mPackages) { 4007 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4008 .entrySet().iterator(); 4009 final int userId = UserHandle.getCallingUserId(); 4010 while (i.hasNext()) { 4011 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4012 PackageParser.Provider p = entry.getValue(); 4013 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4014 4015 if (ps != null && p.syncable 4016 && (!mSafeMode || (p.info.applicationInfo.flags 4017 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4018 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4019 ps.readUserState(userId), userId); 4020 if (info != null) { 4021 outNames.add(entry.getKey()); 4022 outInfo.add(info); 4023 } 4024 } 4025 } 4026 } 4027 } 4028 4029 @Override 4030 public List<ProviderInfo> queryContentProviders(String processName, 4031 int uid, int flags) { 4032 ArrayList<ProviderInfo> finalList = null; 4033 // reader 4034 synchronized (mPackages) { 4035 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4036 final int userId = processName != null ? 4037 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4038 while (i.hasNext()) { 4039 final PackageParser.Provider p = i.next(); 4040 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4041 if (ps != null && p.info.authority != null 4042 && (processName == null 4043 || (p.info.processName.equals(processName) 4044 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4045 && mSettings.isEnabledLPr(p.info, flags, userId) 4046 && (!mSafeMode 4047 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4048 if (finalList == null) { 4049 finalList = new ArrayList<ProviderInfo>(3); 4050 } 4051 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4052 ps.readUserState(userId), userId); 4053 if (info != null) { 4054 finalList.add(info); 4055 } 4056 } 4057 } 4058 } 4059 4060 if (finalList != null) { 4061 Collections.sort(finalList, mProviderInitOrderSorter); 4062 } 4063 4064 return finalList; 4065 } 4066 4067 @Override 4068 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4069 int flags) { 4070 // reader 4071 synchronized (mPackages) { 4072 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4073 return PackageParser.generateInstrumentationInfo(i, flags); 4074 } 4075 } 4076 4077 @Override 4078 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4079 int flags) { 4080 ArrayList<InstrumentationInfo> finalList = 4081 new ArrayList<InstrumentationInfo>(); 4082 4083 // reader 4084 synchronized (mPackages) { 4085 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4086 while (i.hasNext()) { 4087 final PackageParser.Instrumentation p = i.next(); 4088 if (targetPackage == null 4089 || targetPackage.equals(p.info.targetPackage)) { 4090 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4091 flags); 4092 if (ii != null) { 4093 finalList.add(ii); 4094 } 4095 } 4096 } 4097 } 4098 4099 return finalList; 4100 } 4101 4102 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4103 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4104 if (overlays == null) { 4105 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4106 return; 4107 } 4108 for (PackageParser.Package opkg : overlays.values()) { 4109 // Not much to do if idmap fails: we already logged the error 4110 // and we certainly don't want to abort installation of pkg simply 4111 // because an overlay didn't fit properly. For these reasons, 4112 // ignore the return value of createIdmapForPackagePairLI. 4113 createIdmapForPackagePairLI(pkg, opkg); 4114 } 4115 } 4116 4117 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4118 PackageParser.Package opkg) { 4119 if (!opkg.mTrustedOverlay) { 4120 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4121 opkg.baseCodePath + ": overlay not trusted"); 4122 return false; 4123 } 4124 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4125 if (overlaySet == null) { 4126 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4127 opkg.baseCodePath + " but target package has no known overlays"); 4128 return false; 4129 } 4130 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4131 // TODO: generate idmap for split APKs 4132 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4133 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4134 + opkg.baseCodePath); 4135 return false; 4136 } 4137 PackageParser.Package[] overlayArray = 4138 overlaySet.values().toArray(new PackageParser.Package[0]); 4139 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4140 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4141 return p1.mOverlayPriority - p2.mOverlayPriority; 4142 } 4143 }; 4144 Arrays.sort(overlayArray, cmp); 4145 4146 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4147 int i = 0; 4148 for (PackageParser.Package p : overlayArray) { 4149 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4150 } 4151 return true; 4152 } 4153 4154 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4155 final File[] files = dir.listFiles(); 4156 if (ArrayUtils.isEmpty(files)) { 4157 Log.d(TAG, "No files in app dir " + dir); 4158 return; 4159 } 4160 4161 if (DEBUG_PACKAGE_SCANNING) { 4162 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4163 + " flags=0x" + Integer.toHexString(parseFlags)); 4164 } 4165 4166 for (File file : files) { 4167 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4168 && !PackageInstallerService.isStageName(file.getName()); 4169 if (!isPackage) { 4170 // Ignore entries which are not packages 4171 continue; 4172 } 4173 try { 4174 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4175 scanFlags, currentTime, null); 4176 } catch (PackageManagerException e) { 4177 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4178 4179 // Delete invalid userdata apps 4180 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4181 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4182 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4183 if (file.isDirectory()) { 4184 mInstaller.rmPackageDir(file.getAbsolutePath()); 4185 } else { 4186 file.delete(); 4187 } 4188 } 4189 } 4190 } 4191 } 4192 4193 private static File getSettingsProblemFile() { 4194 File dataDir = Environment.getDataDirectory(); 4195 File systemDir = new File(dataDir, "system"); 4196 File fname = new File(systemDir, "uiderrors.txt"); 4197 return fname; 4198 } 4199 4200 static void reportSettingsProblem(int priority, String msg) { 4201 logCriticalInfo(priority, msg); 4202 } 4203 4204 static void logCriticalInfo(int priority, String msg) { 4205 Slog.println(priority, TAG, msg); 4206 EventLogTags.writePmCriticalInfo(msg); 4207 try { 4208 File fname = getSettingsProblemFile(); 4209 FileOutputStream out = new FileOutputStream(fname, true); 4210 PrintWriter pw = new FastPrintWriter(out); 4211 SimpleDateFormat formatter = new SimpleDateFormat(); 4212 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4213 pw.println(dateString + ": " + msg); 4214 pw.close(); 4215 FileUtils.setPermissions( 4216 fname.toString(), 4217 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4218 -1, -1); 4219 } catch (java.io.IOException e) { 4220 } 4221 } 4222 4223 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4224 PackageParser.Package pkg, File srcFile, int parseFlags) 4225 throws PackageManagerException { 4226 if (ps != null 4227 && ps.codePath.equals(srcFile) 4228 && ps.timeStamp == srcFile.lastModified() 4229 && !isCompatSignatureUpdateNeeded(pkg) 4230 && !isRecoverSignatureUpdateNeeded(pkg)) { 4231 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4232 if (ps.signatures.mSignatures != null 4233 && ps.signatures.mSignatures.length != 0 4234 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4235 // Optimization: reuse the existing cached certificates 4236 // if the package appears to be unchanged. 4237 pkg.mSignatures = ps.signatures.mSignatures; 4238 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4239 synchronized (mPackages) { 4240 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4241 } 4242 return; 4243 } 4244 4245 Slog.w(TAG, "PackageSetting for " + ps.name 4246 + " is missing signatures. Collecting certs again to recover them."); 4247 } else { 4248 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4249 } 4250 4251 try { 4252 pp.collectCertificates(pkg, parseFlags); 4253 pp.collectManifestDigest(pkg); 4254 } catch (PackageParserException e) { 4255 throw PackageManagerException.from(e); 4256 } 4257 } 4258 4259 /* 4260 * Scan a package and return the newly parsed package. 4261 * Returns null in case of errors and the error code is stored in mLastScanError 4262 */ 4263 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4264 long currentTime, UserHandle user) throws PackageManagerException { 4265 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4266 parseFlags |= mDefParseFlags; 4267 PackageParser pp = new PackageParser(); 4268 pp.setSeparateProcesses(mSeparateProcesses); 4269 pp.setOnlyCoreApps(mOnlyCore); 4270 pp.setDisplayMetrics(mMetrics); 4271 4272 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4273 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4274 } 4275 4276 final PackageParser.Package pkg; 4277 try { 4278 pkg = pp.parsePackage(scanFile, parseFlags); 4279 } catch (PackageParserException e) { 4280 throw PackageManagerException.from(e); 4281 } 4282 4283 PackageSetting ps = null; 4284 PackageSetting updatedPkg; 4285 // reader 4286 synchronized (mPackages) { 4287 // Look to see if we already know about this package. 4288 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4289 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4290 // This package has been renamed to its original name. Let's 4291 // use that. 4292 ps = mSettings.peekPackageLPr(oldName); 4293 } 4294 // If there was no original package, see one for the real package name. 4295 if (ps == null) { 4296 ps = mSettings.peekPackageLPr(pkg.packageName); 4297 } 4298 // Check to see if this package could be hiding/updating a system 4299 // package. Must look for it either under the original or real 4300 // package name depending on our state. 4301 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4302 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4303 } 4304 boolean updatedPkgBetter = false; 4305 // First check if this is a system package that may involve an update 4306 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4307 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4308 // it needs to drop FLAG_PRIVILEGED. 4309 if (locationIsPrivileged(scanFile)) { 4310 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4311 } else { 4312 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4313 } 4314 4315 if (ps != null && !ps.codePath.equals(scanFile)) { 4316 // The path has changed from what was last scanned... check the 4317 // version of the new path against what we have stored to determine 4318 // what to do. 4319 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4320 if (pkg.mVersionCode <= ps.versionCode) { 4321 // The system package has been updated and the code path does not match 4322 // Ignore entry. Skip it. 4323 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4324 + " ignored: updated version " + ps.versionCode 4325 + " better than this " + pkg.mVersionCode); 4326 if (!updatedPkg.codePath.equals(scanFile)) { 4327 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4328 + ps.name + " changing from " + updatedPkg.codePathString 4329 + " to " + scanFile); 4330 updatedPkg.codePath = scanFile; 4331 updatedPkg.codePathString = scanFile.toString(); 4332 updatedPkg.resourcePath = scanFile; 4333 updatedPkg.resourcePathString = scanFile.toString(); 4334 } 4335 updatedPkg.pkg = pkg; 4336 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4337 } else { 4338 // The current app on the system partition is better than 4339 // what we have updated to on the data partition; switch 4340 // back to the system partition version. 4341 // At this point, its safely assumed that package installation for 4342 // apps in system partition will go through. If not there won't be a working 4343 // version of the app 4344 // writer 4345 synchronized (mPackages) { 4346 // Just remove the loaded entries from package lists. 4347 mPackages.remove(ps.name); 4348 } 4349 4350 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4351 + " reverting from " + ps.codePathString 4352 + ": new version " + pkg.mVersionCode 4353 + " better than installed " + ps.versionCode); 4354 4355 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4356 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4357 getAppDexInstructionSets(ps)); 4358 synchronized (mInstallLock) { 4359 args.cleanUpResourcesLI(); 4360 } 4361 synchronized (mPackages) { 4362 mSettings.enableSystemPackageLPw(ps.name); 4363 } 4364 updatedPkgBetter = true; 4365 } 4366 } 4367 } 4368 4369 if (updatedPkg != null) { 4370 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4371 // initially 4372 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4373 4374 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4375 // flag set initially 4376 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4377 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4378 } 4379 } 4380 4381 // Verify certificates against what was last scanned 4382 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4383 4384 /* 4385 * A new system app appeared, but we already had a non-system one of the 4386 * same name installed earlier. 4387 */ 4388 boolean shouldHideSystemApp = false; 4389 if (updatedPkg == null && ps != null 4390 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4391 /* 4392 * Check to make sure the signatures match first. If they don't, 4393 * wipe the installed application and its data. 4394 */ 4395 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4396 != PackageManager.SIGNATURE_MATCH) { 4397 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4398 + " signatures don't match existing userdata copy; removing"); 4399 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4400 ps = null; 4401 } else { 4402 /* 4403 * If the newly-added system app is an older version than the 4404 * already installed version, hide it. It will be scanned later 4405 * and re-added like an update. 4406 */ 4407 if (pkg.mVersionCode <= ps.versionCode) { 4408 shouldHideSystemApp = true; 4409 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4410 + " but new version " + pkg.mVersionCode + " better than installed " 4411 + ps.versionCode + "; hiding system"); 4412 } else { 4413 /* 4414 * The newly found system app is a newer version that the 4415 * one previously installed. Simply remove the 4416 * already-installed application and replace it with our own 4417 * while keeping the application data. 4418 */ 4419 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4420 + " reverting from " + ps.codePathString + ": new version " 4421 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4422 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4423 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4424 getAppDexInstructionSets(ps)); 4425 synchronized (mInstallLock) { 4426 args.cleanUpResourcesLI(); 4427 } 4428 } 4429 } 4430 } 4431 4432 // The apk is forward locked (not public) if its code and resources 4433 // are kept in different files. (except for app in either system or 4434 // vendor path). 4435 // TODO grab this value from PackageSettings 4436 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4437 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4438 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4439 } 4440 } 4441 4442 // TODO: extend to support forward-locked splits 4443 String resourcePath = null; 4444 String baseResourcePath = null; 4445 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4446 if (ps != null && ps.resourcePathString != null) { 4447 resourcePath = ps.resourcePathString; 4448 baseResourcePath = ps.resourcePathString; 4449 } else { 4450 // Should not happen at all. Just log an error. 4451 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4452 } 4453 } else { 4454 resourcePath = pkg.codePath; 4455 baseResourcePath = pkg.baseCodePath; 4456 } 4457 4458 // Set application objects path explicitly. 4459 pkg.applicationInfo.setCodePath(pkg.codePath); 4460 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4461 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4462 pkg.applicationInfo.setResourcePath(resourcePath); 4463 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4464 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4465 4466 // Note that we invoke the following method only if we are about to unpack an application 4467 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4468 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4469 4470 /* 4471 * If the system app should be overridden by a previously installed 4472 * data, hide the system app now and let the /data/app scan pick it up 4473 * again. 4474 */ 4475 if (shouldHideSystemApp) { 4476 synchronized (mPackages) { 4477 /* 4478 * We have to grant systems permissions before we hide, because 4479 * grantPermissions will assume the package update is trying to 4480 * expand its permissions. 4481 */ 4482 grantPermissionsLPw(pkg, true, pkg.packageName); 4483 mSettings.disableSystemPackageLPw(pkg.packageName); 4484 } 4485 } 4486 4487 return scannedPkg; 4488 } 4489 4490 private static String fixProcessName(String defProcessName, 4491 String processName, int uid) { 4492 if (processName == null) { 4493 return defProcessName; 4494 } 4495 return processName; 4496 } 4497 4498 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4499 throws PackageManagerException { 4500 if (pkgSetting.signatures.mSignatures != null) { 4501 // Already existing package. Make sure signatures match 4502 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4503 == PackageManager.SIGNATURE_MATCH; 4504 if (!match) { 4505 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4506 == PackageManager.SIGNATURE_MATCH; 4507 } 4508 if (!match) { 4509 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4510 == PackageManager.SIGNATURE_MATCH; 4511 } 4512 if (!match) { 4513 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4514 + pkg.packageName + " signatures do not match the " 4515 + "previously installed version; ignoring!"); 4516 } 4517 } 4518 4519 // Check for shared user signatures 4520 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4521 // Already existing package. Make sure signatures match 4522 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4523 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4524 if (!match) { 4525 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4526 == PackageManager.SIGNATURE_MATCH; 4527 } 4528 if (!match) { 4529 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4530 == PackageManager.SIGNATURE_MATCH; 4531 } 4532 if (!match) { 4533 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4534 "Package " + pkg.packageName 4535 + " has no signatures that match those in shared user " 4536 + pkgSetting.sharedUser.name + "; ignoring!"); 4537 } 4538 } 4539 } 4540 4541 /** 4542 * Enforces that only the system UID or root's UID can call a method exposed 4543 * via Binder. 4544 * 4545 * @param message used as message if SecurityException is thrown 4546 * @throws SecurityException if the caller is not system or root 4547 */ 4548 private static final void enforceSystemOrRoot(String message) { 4549 final int uid = Binder.getCallingUid(); 4550 if (uid != Process.SYSTEM_UID && uid != 0) { 4551 throw new SecurityException(message); 4552 } 4553 } 4554 4555 @Override 4556 public void performBootDexOpt() { 4557 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4558 4559 // Before everything else, see whether we need to fstrim. 4560 try { 4561 IMountService ms = PackageHelper.getMountService(); 4562 if (ms != null) { 4563 final boolean isUpgrade = isUpgrade(); 4564 boolean doTrim = isUpgrade; 4565 if (doTrim) { 4566 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4567 } else { 4568 final long interval = android.provider.Settings.Global.getLong( 4569 mContext.getContentResolver(), 4570 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4571 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4572 if (interval > 0) { 4573 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4574 if (timeSinceLast > interval) { 4575 doTrim = true; 4576 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4577 + "; running immediately"); 4578 } 4579 } 4580 } 4581 if (doTrim) { 4582 if (!isFirstBoot()) { 4583 try { 4584 ActivityManagerNative.getDefault().showBootMessage( 4585 mContext.getResources().getString( 4586 R.string.android_upgrading_fstrim), true); 4587 } catch (RemoteException e) { 4588 } 4589 } 4590 ms.runMaintenance(); 4591 } 4592 } else { 4593 Slog.e(TAG, "Mount service unavailable!"); 4594 } 4595 } catch (RemoteException e) { 4596 // Can't happen; MountService is local 4597 } 4598 4599 final ArraySet<PackageParser.Package> pkgs; 4600 synchronized (mPackages) { 4601 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4602 } 4603 4604 if (pkgs != null) { 4605 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4606 // in case the device runs out of space. 4607 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4608 // Give priority to core apps. 4609 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4610 PackageParser.Package pkg = it.next(); 4611 if (pkg.coreApp) { 4612 if (DEBUG_DEXOPT) { 4613 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4614 } 4615 sortedPkgs.add(pkg); 4616 it.remove(); 4617 } 4618 } 4619 // Give priority to system apps that listen for pre boot complete. 4620 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4621 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4622 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4623 PackageParser.Package pkg = it.next(); 4624 if (pkgNames.contains(pkg.packageName)) { 4625 if (DEBUG_DEXOPT) { 4626 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4627 } 4628 sortedPkgs.add(pkg); 4629 it.remove(); 4630 } 4631 } 4632 // Give priority to system apps. 4633 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4634 PackageParser.Package pkg = it.next(); 4635 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 4636 if (DEBUG_DEXOPT) { 4637 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4638 } 4639 sortedPkgs.add(pkg); 4640 it.remove(); 4641 } 4642 } 4643 // Give priority to updated system apps. 4644 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4645 PackageParser.Package pkg = it.next(); 4646 if (pkg.isUpdatedSystemApp()) { 4647 if (DEBUG_DEXOPT) { 4648 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4649 } 4650 sortedPkgs.add(pkg); 4651 it.remove(); 4652 } 4653 } 4654 // Give priority to apps that listen for boot complete. 4655 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4656 pkgNames = getPackageNamesForIntent(intent); 4657 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4658 PackageParser.Package pkg = it.next(); 4659 if (pkgNames.contains(pkg.packageName)) { 4660 if (DEBUG_DEXOPT) { 4661 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4662 } 4663 sortedPkgs.add(pkg); 4664 it.remove(); 4665 } 4666 } 4667 // Filter out packages that aren't recently used. 4668 filterRecentlyUsedApps(pkgs); 4669 // Add all remaining apps. 4670 for (PackageParser.Package pkg : pkgs) { 4671 if (DEBUG_DEXOPT) { 4672 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4673 } 4674 sortedPkgs.add(pkg); 4675 } 4676 4677 // If we want to be lazy, filter everything that wasn't recently used. 4678 if (mLazyDexOpt) { 4679 filterRecentlyUsedApps(sortedPkgs); 4680 } 4681 4682 int i = 0; 4683 int total = sortedPkgs.size(); 4684 File dataDir = Environment.getDataDirectory(); 4685 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4686 if (lowThreshold == 0) { 4687 throw new IllegalStateException("Invalid low memory threshold"); 4688 } 4689 for (PackageParser.Package pkg : sortedPkgs) { 4690 long usableSpace = dataDir.getUsableSpace(); 4691 if (usableSpace < lowThreshold) { 4692 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4693 break; 4694 } 4695 performBootDexOpt(pkg, ++i, total); 4696 } 4697 } 4698 } 4699 4700 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4701 // Filter out packages that aren't recently used. 4702 // 4703 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4704 // should do a full dexopt. 4705 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4706 int total = pkgs.size(); 4707 int skipped = 0; 4708 long now = System.currentTimeMillis(); 4709 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4710 PackageParser.Package pkg = i.next(); 4711 long then = pkg.mLastPackageUsageTimeInMills; 4712 if (then + mDexOptLRUThresholdInMills < now) { 4713 if (DEBUG_DEXOPT) { 4714 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4715 ((then == 0) ? "never" : new Date(then))); 4716 } 4717 i.remove(); 4718 skipped++; 4719 } 4720 } 4721 if (DEBUG_DEXOPT) { 4722 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4723 } 4724 } 4725 } 4726 4727 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4728 List<ResolveInfo> ris = null; 4729 try { 4730 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4731 intent, null, 0, UserHandle.USER_OWNER); 4732 } catch (RemoteException e) { 4733 } 4734 ArraySet<String> pkgNames = new ArraySet<String>(); 4735 if (ris != null) { 4736 for (ResolveInfo ri : ris) { 4737 pkgNames.add(ri.activityInfo.packageName); 4738 } 4739 } 4740 return pkgNames; 4741 } 4742 4743 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4744 if (DEBUG_DEXOPT) { 4745 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4746 } 4747 if (!isFirstBoot()) { 4748 try { 4749 ActivityManagerNative.getDefault().showBootMessage( 4750 mContext.getResources().getString(R.string.android_upgrading_apk, 4751 curr, total), true); 4752 } catch (RemoteException e) { 4753 } 4754 } 4755 PackageParser.Package p = pkg; 4756 synchronized (mInstallLock) { 4757 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4758 false /* force dex */, false /* defer */, true /* include dependencies */); 4759 } 4760 } 4761 4762 @Override 4763 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4764 return performDexOpt(packageName, instructionSet, false); 4765 } 4766 4767 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4768 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4769 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4770 if (!dexopt && !updateUsage) { 4771 // We aren't going to dexopt or update usage, so bail early. 4772 return false; 4773 } 4774 PackageParser.Package p; 4775 final String targetInstructionSet; 4776 synchronized (mPackages) { 4777 p = mPackages.get(packageName); 4778 if (p == null) { 4779 return false; 4780 } 4781 if (updateUsage) { 4782 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4783 } 4784 mPackageUsage.write(false); 4785 if (!dexopt) { 4786 // We aren't going to dexopt, so bail early. 4787 return false; 4788 } 4789 4790 targetInstructionSet = instructionSet != null ? instructionSet : 4791 getPrimaryInstructionSet(p.applicationInfo); 4792 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4793 return false; 4794 } 4795 } 4796 4797 synchronized (mInstallLock) { 4798 final String[] instructionSets = new String[] { targetInstructionSet }; 4799 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4800 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4801 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4802 } 4803 } 4804 4805 public ArraySet<String> getPackagesThatNeedDexOpt() { 4806 ArraySet<String> pkgs = null; 4807 synchronized (mPackages) { 4808 for (PackageParser.Package p : mPackages.values()) { 4809 if (DEBUG_DEXOPT) { 4810 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4811 } 4812 if (!p.mDexOptPerformed.isEmpty()) { 4813 continue; 4814 } 4815 if (pkgs == null) { 4816 pkgs = new ArraySet<String>(); 4817 } 4818 pkgs.add(p.packageName); 4819 } 4820 } 4821 return pkgs; 4822 } 4823 4824 public void shutdown() { 4825 mPackageUsage.write(true); 4826 } 4827 4828 @Override 4829 public void forceDexOpt(String packageName) { 4830 enforceSystemOrRoot("forceDexOpt"); 4831 4832 PackageParser.Package pkg; 4833 synchronized (mPackages) { 4834 pkg = mPackages.get(packageName); 4835 if (pkg == null) { 4836 throw new IllegalArgumentException("Missing package: " + packageName); 4837 } 4838 } 4839 4840 synchronized (mInstallLock) { 4841 final String[] instructionSets = new String[] { 4842 getPrimaryInstructionSet(pkg.applicationInfo) }; 4843 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4844 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4845 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4846 throw new IllegalStateException("Failed to dexopt: " + res); 4847 } 4848 } 4849 } 4850 4851 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4852 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4853 Slog.w(TAG, "Unable to update from " + oldPkg.name 4854 + " to " + newPkg.packageName 4855 + ": old package not in system partition"); 4856 return false; 4857 } else if (mPackages.get(oldPkg.name) != null) { 4858 Slog.w(TAG, "Unable to update from " + oldPkg.name 4859 + " to " + newPkg.packageName 4860 + ": old package still exists"); 4861 return false; 4862 } 4863 return true; 4864 } 4865 4866 private File getDataPathForPackage(String packageName, int userId) { 4867 /* 4868 * Until we fully support multiple users, return the directory we 4869 * previously would have. The PackageManagerTests will need to be 4870 * revised when this is changed back.. 4871 */ 4872 if (userId == 0) { 4873 return new File(mAppDataDir, packageName); 4874 } else { 4875 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4876 + File.separator + packageName); 4877 } 4878 } 4879 4880 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4881 int[] users = sUserManager.getUserIds(); 4882 int res = mInstaller.install(packageName, uid, uid, seinfo); 4883 if (res < 0) { 4884 return res; 4885 } 4886 for (int user : users) { 4887 if (user != 0) { 4888 res = mInstaller.createUserData(packageName, 4889 UserHandle.getUid(user, uid), user, seinfo); 4890 if (res < 0) { 4891 return res; 4892 } 4893 } 4894 } 4895 return res; 4896 } 4897 4898 private int removeDataDirsLI(String packageName) { 4899 int[] users = sUserManager.getUserIds(); 4900 int res = 0; 4901 for (int user : users) { 4902 int resInner = mInstaller.remove(packageName, user); 4903 if (resInner < 0) { 4904 res = resInner; 4905 } 4906 } 4907 4908 return res; 4909 } 4910 4911 private int deleteCodeCacheDirsLI(String packageName) { 4912 int[] users = sUserManager.getUserIds(); 4913 int res = 0; 4914 for (int user : users) { 4915 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4916 if (resInner < 0) { 4917 res = resInner; 4918 } 4919 } 4920 return res; 4921 } 4922 4923 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4924 PackageParser.Package changingLib) { 4925 if (file.path != null) { 4926 usesLibraryFiles.add(file.path); 4927 return; 4928 } 4929 PackageParser.Package p = mPackages.get(file.apk); 4930 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4931 // If we are doing this while in the middle of updating a library apk, 4932 // then we need to make sure to use that new apk for determining the 4933 // dependencies here. (We haven't yet finished committing the new apk 4934 // to the package manager state.) 4935 if (p == null || p.packageName.equals(changingLib.packageName)) { 4936 p = changingLib; 4937 } 4938 } 4939 if (p != null) { 4940 usesLibraryFiles.addAll(p.getAllCodePaths()); 4941 } 4942 } 4943 4944 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4945 PackageParser.Package changingLib) throws PackageManagerException { 4946 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4947 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4948 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4949 for (int i=0; i<N; i++) { 4950 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4951 if (file == null) { 4952 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4953 "Package " + pkg.packageName + " requires unavailable shared library " 4954 + pkg.usesLibraries.get(i) + "; failing!"); 4955 } 4956 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4957 } 4958 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4959 for (int i=0; i<N; i++) { 4960 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4961 if (file == null) { 4962 Slog.w(TAG, "Package " + pkg.packageName 4963 + " desires unavailable shared library " 4964 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4965 } else { 4966 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4967 } 4968 } 4969 N = usesLibraryFiles.size(); 4970 if (N > 0) { 4971 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4972 } else { 4973 pkg.usesLibraryFiles = null; 4974 } 4975 } 4976 } 4977 4978 private static boolean hasString(List<String> list, List<String> which) { 4979 if (list == null) { 4980 return false; 4981 } 4982 for (int i=list.size()-1; i>=0; i--) { 4983 for (int j=which.size()-1; j>=0; j--) { 4984 if (which.get(j).equals(list.get(i))) { 4985 return true; 4986 } 4987 } 4988 } 4989 return false; 4990 } 4991 4992 private void updateAllSharedLibrariesLPw() { 4993 for (PackageParser.Package pkg : mPackages.values()) { 4994 try { 4995 updateSharedLibrariesLPw(pkg, null); 4996 } catch (PackageManagerException e) { 4997 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4998 } 4999 } 5000 } 5001 5002 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5003 PackageParser.Package changingPkg) { 5004 ArrayList<PackageParser.Package> res = null; 5005 for (PackageParser.Package pkg : mPackages.values()) { 5006 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5007 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5008 if (res == null) { 5009 res = new ArrayList<PackageParser.Package>(); 5010 } 5011 res.add(pkg); 5012 try { 5013 updateSharedLibrariesLPw(pkg, changingPkg); 5014 } catch (PackageManagerException e) { 5015 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5016 } 5017 } 5018 } 5019 return res; 5020 } 5021 5022 /** 5023 * Derive the value of the {@code cpuAbiOverride} based on the provided 5024 * value and an optional stored value from the package settings. 5025 */ 5026 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5027 String cpuAbiOverride = null; 5028 5029 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5030 cpuAbiOverride = null; 5031 } else if (abiOverride != null) { 5032 cpuAbiOverride = abiOverride; 5033 } else if (settings != null) { 5034 cpuAbiOverride = settings.cpuAbiOverrideString; 5035 } 5036 5037 return cpuAbiOverride; 5038 } 5039 5040 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5041 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5042 boolean success = false; 5043 try { 5044 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5045 currentTime, user); 5046 success = true; 5047 return res; 5048 } finally { 5049 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5050 removeDataDirsLI(pkg.packageName); 5051 } 5052 } 5053 } 5054 5055 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5056 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5057 final File scanFile = new File(pkg.codePath); 5058 if (pkg.applicationInfo.getCodePath() == null || 5059 pkg.applicationInfo.getResourcePath() == null) { 5060 // Bail out. The resource and code paths haven't been set. 5061 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5062 "Code and resource paths haven't been set correctly"); 5063 } 5064 5065 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5066 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5067 } else { 5068 // Only allow system apps to be flagged as core apps. 5069 pkg.coreApp = false; 5070 } 5071 5072 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5073 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5074 } 5075 5076 if (mCustomResolverComponentName != null && 5077 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5078 setUpCustomResolverActivity(pkg); 5079 } 5080 5081 if (pkg.packageName.equals("android")) { 5082 synchronized (mPackages) { 5083 if (mAndroidApplication != null) { 5084 Slog.w(TAG, "*************************************************"); 5085 Slog.w(TAG, "Core android package being redefined. Skipping."); 5086 Slog.w(TAG, " file=" + scanFile); 5087 Slog.w(TAG, "*************************************************"); 5088 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5089 "Core android package being redefined. Skipping."); 5090 } 5091 5092 // Set up information for our fall-back user intent resolution activity. 5093 mPlatformPackage = pkg; 5094 pkg.mVersionCode = mSdkVersion; 5095 mAndroidApplication = pkg.applicationInfo; 5096 5097 if (!mResolverReplaced) { 5098 mResolveActivity.applicationInfo = mAndroidApplication; 5099 mResolveActivity.name = ResolverActivity.class.getName(); 5100 mResolveActivity.packageName = mAndroidApplication.packageName; 5101 mResolveActivity.processName = "system:ui"; 5102 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5103 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5104 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5105 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5106 mResolveActivity.exported = true; 5107 mResolveActivity.enabled = true; 5108 mResolveInfo.activityInfo = mResolveActivity; 5109 mResolveInfo.priority = 0; 5110 mResolveInfo.preferredOrder = 0; 5111 mResolveInfo.match = 0; 5112 mResolveComponentName = new ComponentName( 5113 mAndroidApplication.packageName, mResolveActivity.name); 5114 } 5115 } 5116 } 5117 5118 if (DEBUG_PACKAGE_SCANNING) { 5119 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5120 Log.d(TAG, "Scanning package " + pkg.packageName); 5121 } 5122 5123 if (mPackages.containsKey(pkg.packageName) 5124 || mSharedLibraries.containsKey(pkg.packageName)) { 5125 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5126 "Application package " + pkg.packageName 5127 + " already installed. Skipping duplicate."); 5128 } 5129 5130 // If we're only installing presumed-existing packages, require that the 5131 // scanned APK is both already known and at the path previously established 5132 // for it. Previously unknown packages we pick up normally, but if we have an 5133 // a priori expectation about this package's install presence, enforce it. 5134 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 5135 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 5136 if (known != null) { 5137 if (DEBUG_PACKAGE_SCANNING) { 5138 Log.d(TAG, "Examining " + pkg.codePath 5139 + " and requiring known paths " + known.codePathString 5140 + " & " + known.resourcePathString); 5141 } 5142 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 5143 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 5144 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 5145 "Application package " + pkg.packageName 5146 + " found at " + pkg.applicationInfo.getCodePath() 5147 + " but expected at " + known.codePathString + "; ignoring."); 5148 } 5149 } 5150 } 5151 5152 // Initialize package source and resource directories 5153 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5154 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5155 5156 SharedUserSetting suid = null; 5157 PackageSetting pkgSetting = null; 5158 5159 if (!isSystemApp(pkg)) { 5160 // Only system apps can use these features. 5161 pkg.mOriginalPackages = null; 5162 pkg.mRealPackage = null; 5163 pkg.mAdoptPermissions = null; 5164 } 5165 5166 // writer 5167 synchronized (mPackages) { 5168 if (pkg.mSharedUserId != null) { 5169 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5170 if (suid == null) { 5171 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5172 "Creating application package " + pkg.packageName 5173 + " for shared user failed"); 5174 } 5175 if (DEBUG_PACKAGE_SCANNING) { 5176 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5177 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5178 + "): packages=" + suid.packages); 5179 } 5180 } 5181 5182 // Check if we are renaming from an original package name. 5183 PackageSetting origPackage = null; 5184 String realName = null; 5185 if (pkg.mOriginalPackages != null) { 5186 // This package may need to be renamed to a previously 5187 // installed name. Let's check on that... 5188 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5189 if (pkg.mOriginalPackages.contains(renamed)) { 5190 // This package had originally been installed as the 5191 // original name, and we have already taken care of 5192 // transitioning to the new one. Just update the new 5193 // one to continue using the old name. 5194 realName = pkg.mRealPackage; 5195 if (!pkg.packageName.equals(renamed)) { 5196 // Callers into this function may have already taken 5197 // care of renaming the package; only do it here if 5198 // it is not already done. 5199 pkg.setPackageName(renamed); 5200 } 5201 5202 } else { 5203 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5204 if ((origPackage = mSettings.peekPackageLPr( 5205 pkg.mOriginalPackages.get(i))) != null) { 5206 // We do have the package already installed under its 5207 // original name... should we use it? 5208 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5209 // New package is not compatible with original. 5210 origPackage = null; 5211 continue; 5212 } else if (origPackage.sharedUser != null) { 5213 // Make sure uid is compatible between packages. 5214 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5215 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5216 + " to " + pkg.packageName + ": old uid " 5217 + origPackage.sharedUser.name 5218 + " differs from " + pkg.mSharedUserId); 5219 origPackage = null; 5220 continue; 5221 } 5222 } else { 5223 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5224 + pkg.packageName + " to old name " + origPackage.name); 5225 } 5226 break; 5227 } 5228 } 5229 } 5230 } 5231 5232 if (mTransferedPackages.contains(pkg.packageName)) { 5233 Slog.w(TAG, "Package " + pkg.packageName 5234 + " was transferred to another, but its .apk remains"); 5235 } 5236 5237 // Just create the setting, don't add it yet. For already existing packages 5238 // the PkgSetting exists already and doesn't have to be created. 5239 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5240 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5241 pkg.applicationInfo.primaryCpuAbi, 5242 pkg.applicationInfo.secondaryCpuAbi, 5243 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5244 user, false); 5245 if (pkgSetting == null) { 5246 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5247 "Creating application package " + pkg.packageName + " failed"); 5248 } 5249 5250 if (pkgSetting.origPackage != null) { 5251 // If we are first transitioning from an original package, 5252 // fix up the new package's name now. We need to do this after 5253 // looking up the package under its new name, so getPackageLP 5254 // can take care of fiddling things correctly. 5255 pkg.setPackageName(origPackage.name); 5256 5257 // File a report about this. 5258 String msg = "New package " + pkgSetting.realName 5259 + " renamed to replace old package " + pkgSetting.name; 5260 reportSettingsProblem(Log.WARN, msg); 5261 5262 // Make a note of it. 5263 mTransferedPackages.add(origPackage.name); 5264 5265 // No longer need to retain this. 5266 pkgSetting.origPackage = null; 5267 } 5268 5269 if (realName != null) { 5270 // Make a note of it. 5271 mTransferedPackages.add(pkg.packageName); 5272 } 5273 5274 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5275 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5276 } 5277 5278 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5279 // Check all shared libraries and map to their actual file path. 5280 // We only do this here for apps not on a system dir, because those 5281 // are the only ones that can fail an install due to this. We 5282 // will take care of the system apps by updating all of their 5283 // library paths after the scan is done. 5284 updateSharedLibrariesLPw(pkg, null); 5285 } 5286 5287 if (mFoundPolicyFile) { 5288 SELinuxMMAC.assignSeinfoValue(pkg); 5289 } 5290 5291 pkg.applicationInfo.uid = pkgSetting.appId; 5292 pkg.mExtras = pkgSetting; 5293 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5294 try { 5295 verifySignaturesLP(pkgSetting, pkg); 5296 // We just determined the app is signed correctly, so bring 5297 // over the latest parsed certs. 5298 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5299 } catch (PackageManagerException e) { 5300 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5301 throw e; 5302 } 5303 // The signature has changed, but this package is in the system 5304 // image... let's recover! 5305 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5306 // However... if this package is part of a shared user, but it 5307 // doesn't match the signature of the shared user, let's fail. 5308 // What this means is that you can't change the signatures 5309 // associated with an overall shared user, which doesn't seem all 5310 // that unreasonable. 5311 if (pkgSetting.sharedUser != null) { 5312 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5313 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5314 throw new PackageManagerException( 5315 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5316 "Signature mismatch for shared user : " 5317 + pkgSetting.sharedUser); 5318 } 5319 } 5320 // File a report about this. 5321 String msg = "System package " + pkg.packageName 5322 + " signature changed; retaining data."; 5323 reportSettingsProblem(Log.WARN, msg); 5324 } 5325 } else { 5326 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5327 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5328 + pkg.packageName + " upgrade keys do not match the " 5329 + "previously installed version"); 5330 } else { 5331 // We just determined the app is signed correctly, so bring 5332 // over the latest parsed certs. 5333 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5334 } 5335 } 5336 // Verify that this new package doesn't have any content providers 5337 // that conflict with existing packages. Only do this if the 5338 // package isn't already installed, since we don't want to break 5339 // things that are installed. 5340 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5341 final int N = pkg.providers.size(); 5342 int i; 5343 for (i=0; i<N; i++) { 5344 PackageParser.Provider p = pkg.providers.get(i); 5345 if (p.info.authority != null) { 5346 String names[] = p.info.authority.split(";"); 5347 for (int j = 0; j < names.length; j++) { 5348 if (mProvidersByAuthority.containsKey(names[j])) { 5349 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5350 final String otherPackageName = 5351 ((other != null && other.getComponentName() != null) ? 5352 other.getComponentName().getPackageName() : "?"); 5353 throw new PackageManagerException( 5354 INSTALL_FAILED_CONFLICTING_PROVIDER, 5355 "Can't install because provider name " + names[j] 5356 + " (in package " + pkg.applicationInfo.packageName 5357 + ") is already used by " + otherPackageName); 5358 } 5359 } 5360 } 5361 } 5362 } 5363 5364 if (pkg.mAdoptPermissions != null) { 5365 // This package wants to adopt ownership of permissions from 5366 // another package. 5367 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5368 final String origName = pkg.mAdoptPermissions.get(i); 5369 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5370 if (orig != null) { 5371 if (verifyPackageUpdateLPr(orig, pkg)) { 5372 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5373 + pkg.packageName); 5374 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5375 } 5376 } 5377 } 5378 } 5379 } 5380 5381 final String pkgName = pkg.packageName; 5382 5383 final long scanFileTime = scanFile.lastModified(); 5384 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5385 pkg.applicationInfo.processName = fixProcessName( 5386 pkg.applicationInfo.packageName, 5387 pkg.applicationInfo.processName, 5388 pkg.applicationInfo.uid); 5389 5390 File dataPath; 5391 if (mPlatformPackage == pkg) { 5392 // The system package is special. 5393 dataPath = new File(Environment.getDataDirectory(), "system"); 5394 5395 pkg.applicationInfo.dataDir = dataPath.getPath(); 5396 5397 } else { 5398 // This is a normal package, need to make its data directory. 5399 dataPath = getDataPathForPackage(pkg.packageName, 0); 5400 5401 boolean uidError = false; 5402 if (dataPath.exists()) { 5403 int currentUid = 0; 5404 try { 5405 StructStat stat = Os.stat(dataPath.getPath()); 5406 currentUid = stat.st_uid; 5407 } catch (ErrnoException e) { 5408 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5409 } 5410 5411 // If we have mismatched owners for the data path, we have a problem. 5412 if (currentUid != pkg.applicationInfo.uid) { 5413 boolean recovered = false; 5414 if (currentUid == 0) { 5415 // The directory somehow became owned by root. Wow. 5416 // This is probably because the system was stopped while 5417 // installd was in the middle of messing with its libs 5418 // directory. Ask installd to fix that. 5419 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5420 pkg.applicationInfo.uid); 5421 if (ret >= 0) { 5422 recovered = true; 5423 String msg = "Package " + pkg.packageName 5424 + " unexpectedly changed to uid 0; recovered to " + 5425 + pkg.applicationInfo.uid; 5426 reportSettingsProblem(Log.WARN, msg); 5427 } 5428 } 5429 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5430 || (scanFlags&SCAN_BOOTING) != 0)) { 5431 // If this is a system app, we can at least delete its 5432 // current data so the application will still work. 5433 int ret = removeDataDirsLI(pkgName); 5434 if (ret >= 0) { 5435 // TODO: Kill the processes first 5436 // Old data gone! 5437 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5438 ? "System package " : "Third party package "; 5439 String msg = prefix + pkg.packageName 5440 + " has changed from uid: " 5441 + currentUid + " to " 5442 + pkg.applicationInfo.uid + "; old data erased"; 5443 reportSettingsProblem(Log.WARN, msg); 5444 recovered = true; 5445 5446 // And now re-install the app. 5447 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5448 pkg.applicationInfo.seinfo); 5449 if (ret == -1) { 5450 // Ack should not happen! 5451 msg = prefix + pkg.packageName 5452 + " could not have data directory re-created after delete."; 5453 reportSettingsProblem(Log.WARN, msg); 5454 throw new PackageManagerException( 5455 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5456 } 5457 } 5458 if (!recovered) { 5459 mHasSystemUidErrors = true; 5460 } 5461 } else if (!recovered) { 5462 // If we allow this install to proceed, we will be broken. 5463 // Abort, abort! 5464 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5465 "scanPackageLI"); 5466 } 5467 if (!recovered) { 5468 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5469 + pkg.applicationInfo.uid + "/fs_" 5470 + currentUid; 5471 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5472 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5473 String msg = "Package " + pkg.packageName 5474 + " has mismatched uid: " 5475 + currentUid + " on disk, " 5476 + pkg.applicationInfo.uid + " in settings"; 5477 // writer 5478 synchronized (mPackages) { 5479 mSettings.mReadMessages.append(msg); 5480 mSettings.mReadMessages.append('\n'); 5481 uidError = true; 5482 if (!pkgSetting.uidError) { 5483 reportSettingsProblem(Log.ERROR, msg); 5484 } 5485 } 5486 } 5487 } 5488 pkg.applicationInfo.dataDir = dataPath.getPath(); 5489 if (mShouldRestoreconData) { 5490 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5491 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5492 pkg.applicationInfo.uid); 5493 } 5494 } else { 5495 if (DEBUG_PACKAGE_SCANNING) { 5496 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5497 Log.v(TAG, "Want this data dir: " + dataPath); 5498 } 5499 //invoke installer to do the actual installation 5500 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5501 pkg.applicationInfo.seinfo); 5502 if (ret < 0) { 5503 // Error from installer 5504 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5505 "Unable to create data dirs [errorCode=" + ret + "]"); 5506 } 5507 5508 if (dataPath.exists()) { 5509 pkg.applicationInfo.dataDir = dataPath.getPath(); 5510 } else { 5511 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5512 pkg.applicationInfo.dataDir = null; 5513 } 5514 } 5515 5516 pkgSetting.uidError = uidError; 5517 } 5518 5519 final String path = scanFile.getPath(); 5520 final String codePath = pkg.applicationInfo.getCodePath(); 5521 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5522 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5523 setBundledAppAbisAndRoots(pkg, pkgSetting); 5524 5525 // If we haven't found any native libraries for the app, check if it has 5526 // renderscript code. We'll need to force the app to 32 bit if it has 5527 // renderscript bitcode. 5528 if (pkg.applicationInfo.primaryCpuAbi == null 5529 && pkg.applicationInfo.secondaryCpuAbi == null 5530 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5531 NativeLibraryHelper.Handle handle = null; 5532 try { 5533 handle = NativeLibraryHelper.Handle.create(scanFile); 5534 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5535 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5536 } 5537 } catch (IOException ioe) { 5538 Slog.w(TAG, "Error scanning system app : " + ioe); 5539 } finally { 5540 IoUtils.closeQuietly(handle); 5541 } 5542 } 5543 5544 setNativeLibraryPaths(pkg); 5545 } else { 5546 // TODO: We can probably be smarter about this stuff. For installed apps, 5547 // we can calculate this information at install time once and for all. For 5548 // system apps, we can probably assume that this information doesn't change 5549 // after the first boot scan. As things stand, we do lots of unnecessary work. 5550 5551 // Give ourselves some initial paths; we'll come back for another 5552 // pass once we've determined ABI below. 5553 setNativeLibraryPaths(pkg); 5554 5555 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 5556 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5557 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5558 5559 NativeLibraryHelper.Handle handle = null; 5560 try { 5561 handle = NativeLibraryHelper.Handle.create(scanFile); 5562 // TODO(multiArch): This can be null for apps that didn't go through the 5563 // usual installation process. We can calculate it again, like we 5564 // do during install time. 5565 // 5566 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5567 // unnecessary. 5568 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5569 5570 // Null out the abis so that they can be recalculated. 5571 pkg.applicationInfo.primaryCpuAbi = null; 5572 pkg.applicationInfo.secondaryCpuAbi = null; 5573 if (isMultiArch(pkg.applicationInfo)) { 5574 // Warn if we've set an abiOverride for multi-lib packages.. 5575 // By definition, we need to copy both 32 and 64 bit libraries for 5576 // such packages. 5577 if (pkg.cpuAbiOverride != null 5578 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5579 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5580 } 5581 5582 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5583 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5584 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5585 if (isAsec) { 5586 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5587 } else { 5588 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5589 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5590 useIsaSpecificSubdirs); 5591 } 5592 } 5593 5594 maybeThrowExceptionForMultiArchCopy( 5595 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5596 5597 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5598 if (isAsec) { 5599 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5600 } else { 5601 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5602 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5603 useIsaSpecificSubdirs); 5604 } 5605 } 5606 5607 maybeThrowExceptionForMultiArchCopy( 5608 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5609 5610 if (abi64 >= 0) { 5611 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5612 } 5613 5614 if (abi32 >= 0) { 5615 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5616 if (abi64 >= 0) { 5617 pkg.applicationInfo.secondaryCpuAbi = abi; 5618 } else { 5619 pkg.applicationInfo.primaryCpuAbi = abi; 5620 } 5621 } 5622 } else { 5623 String[] abiList = (cpuAbiOverride != null) ? 5624 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5625 5626 // Enable gross and lame hacks for apps that are built with old 5627 // SDK tools. We must scan their APKs for renderscript bitcode and 5628 // not launch them if it's present. Don't bother checking on devices 5629 // that don't have 64 bit support. 5630 boolean needsRenderScriptOverride = false; 5631 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5632 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5633 abiList = Build.SUPPORTED_32_BIT_ABIS; 5634 needsRenderScriptOverride = true; 5635 } 5636 5637 final int copyRet; 5638 if (isAsec) { 5639 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5640 } else { 5641 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5642 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5643 } 5644 5645 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5646 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5647 "Error unpackaging native libs for app, errorCode=" + copyRet); 5648 } 5649 5650 if (copyRet >= 0) { 5651 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5652 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5653 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5654 } else if (needsRenderScriptOverride) { 5655 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5656 } 5657 } 5658 } catch (IOException ioe) { 5659 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5660 } finally { 5661 IoUtils.closeQuietly(handle); 5662 } 5663 5664 // Now that we've calculated the ABIs and determined if it's an internal app, 5665 // we will go ahead and populate the nativeLibraryPath. 5666 setNativeLibraryPaths(pkg); 5667 5668 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5669 final int[] userIds = sUserManager.getUserIds(); 5670 synchronized (mInstallLock) { 5671 // Create a native library symlink only if we have native libraries 5672 // and if the native libraries are 32 bit libraries. We do not provide 5673 // this symlink for 64 bit libraries. 5674 if (pkg.applicationInfo.primaryCpuAbi != null && 5675 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5676 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5677 for (int userId : userIds) { 5678 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5679 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5680 "Failed linking native library dir (user=" + userId + ")"); 5681 } 5682 } 5683 } 5684 } 5685 } 5686 5687 // This is a special case for the "system" package, where the ABI is 5688 // dictated by the zygote configuration (and init.rc). We should keep track 5689 // of this ABI so that we can deal with "normal" applications that run under 5690 // the same UID correctly. 5691 if (mPlatformPackage == pkg) { 5692 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5693 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5694 } 5695 5696 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5697 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5698 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5699 // Copy the derived override back to the parsed package, so that we can 5700 // update the package settings accordingly. 5701 pkg.cpuAbiOverride = cpuAbiOverride; 5702 5703 if (DEBUG_ABI_SELECTION) { 5704 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5705 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5706 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5707 } 5708 5709 // Push the derived path down into PackageSettings so we know what to 5710 // clean up at uninstall time. 5711 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5712 5713 if (DEBUG_ABI_SELECTION) { 5714 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5715 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5716 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5717 } 5718 5719 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5720 // We don't do this here during boot because we can do it all 5721 // at once after scanning all existing packages. 5722 // 5723 // We also do this *before* we perform dexopt on this package, so that 5724 // we can avoid redundant dexopts, and also to make sure we've got the 5725 // code and package path correct. 5726 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5727 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5728 } 5729 5730 if ((scanFlags & SCAN_NO_DEX) == 0) { 5731 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5732 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5733 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5734 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5735 } 5736 } 5737 if (mFactoryTest && pkg.requestedPermissions.contains( 5738 android.Manifest.permission.FACTORY_TEST)) { 5739 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5740 } 5741 5742 ArrayList<PackageParser.Package> clientLibPkgs = null; 5743 5744 // writer 5745 synchronized (mPackages) { 5746 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5747 // Only system apps can add new shared libraries. 5748 if (pkg.libraryNames != null) { 5749 for (int i=0; i<pkg.libraryNames.size(); i++) { 5750 String name = pkg.libraryNames.get(i); 5751 boolean allowed = false; 5752 if (pkg.isUpdatedSystemApp()) { 5753 // New library entries can only be added through the 5754 // system image. This is important to get rid of a lot 5755 // of nasty edge cases: for example if we allowed a non- 5756 // system update of the app to add a library, then uninstalling 5757 // the update would make the library go away, and assumptions 5758 // we made such as through app install filtering would now 5759 // have allowed apps on the device which aren't compatible 5760 // with it. Better to just have the restriction here, be 5761 // conservative, and create many fewer cases that can negatively 5762 // impact the user experience. 5763 final PackageSetting sysPs = mSettings 5764 .getDisabledSystemPkgLPr(pkg.packageName); 5765 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5766 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5767 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5768 allowed = true; 5769 allowed = true; 5770 break; 5771 } 5772 } 5773 } 5774 } else { 5775 allowed = true; 5776 } 5777 if (allowed) { 5778 if (!mSharedLibraries.containsKey(name)) { 5779 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5780 } else if (!name.equals(pkg.packageName)) { 5781 Slog.w(TAG, "Package " + pkg.packageName + " library " 5782 + name + " already exists; skipping"); 5783 } 5784 } else { 5785 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5786 + name + " that is not declared on system image; skipping"); 5787 } 5788 } 5789 if ((scanFlags&SCAN_BOOTING) == 0) { 5790 // If we are not booting, we need to update any applications 5791 // that are clients of our shared library. If we are booting, 5792 // this will all be done once the scan is complete. 5793 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5794 } 5795 } 5796 } 5797 } 5798 5799 // We also need to dexopt any apps that are dependent on this library. Note that 5800 // if these fail, we should abort the install since installing the library will 5801 // result in some apps being broken. 5802 if (clientLibPkgs != null) { 5803 if ((scanFlags & SCAN_NO_DEX) == 0) { 5804 for (int i = 0; i < clientLibPkgs.size(); i++) { 5805 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5806 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5807 null /* instruction sets */, forceDex, 5808 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5809 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5810 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5811 "scanPackageLI failed to dexopt clientLibPkgs"); 5812 } 5813 } 5814 } 5815 } 5816 5817 // Request the ActivityManager to kill the process(only for existing packages) 5818 // so that we do not end up in a confused state while the user is still using the older 5819 // version of the application while the new one gets installed. 5820 if ((scanFlags & SCAN_REPLACING) != 0) { 5821 killApplication(pkg.applicationInfo.packageName, 5822 pkg.applicationInfo.uid, "update pkg"); 5823 } 5824 5825 // Also need to kill any apps that are dependent on the library. 5826 if (clientLibPkgs != null) { 5827 for (int i=0; i<clientLibPkgs.size(); i++) { 5828 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5829 killApplication(clientPkg.applicationInfo.packageName, 5830 clientPkg.applicationInfo.uid, "update lib"); 5831 } 5832 } 5833 5834 // writer 5835 synchronized (mPackages) { 5836 // We don't expect installation to fail beyond this point 5837 5838 // Add the new setting to mSettings 5839 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5840 // Add the new setting to mPackages 5841 mPackages.put(pkg.applicationInfo.packageName, pkg); 5842 // Make sure we don't accidentally delete its data. 5843 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5844 while (iter.hasNext()) { 5845 PackageCleanItem item = iter.next(); 5846 if (pkgName.equals(item.packageName)) { 5847 iter.remove(); 5848 } 5849 } 5850 5851 // Take care of first install / last update times. 5852 if (currentTime != 0) { 5853 if (pkgSetting.firstInstallTime == 0) { 5854 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5855 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5856 pkgSetting.lastUpdateTime = currentTime; 5857 } 5858 } else if (pkgSetting.firstInstallTime == 0) { 5859 // We need *something*. Take time time stamp of the file. 5860 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5861 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5862 if (scanFileTime != pkgSetting.timeStamp) { 5863 // A package on the system image has changed; consider this 5864 // to be an update. 5865 pkgSetting.lastUpdateTime = scanFileTime; 5866 } 5867 } 5868 5869 // Add the package's KeySets to the global KeySetManagerService 5870 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5871 try { 5872 // Old KeySetData no longer valid. 5873 ksms.removeAppKeySetDataLPw(pkg.packageName); 5874 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5875 if (pkg.mKeySetMapping != null) { 5876 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5877 pkg.mKeySetMapping.entrySet()) { 5878 if (entry.getValue() != null) { 5879 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5880 entry.getValue(), entry.getKey()); 5881 } 5882 } 5883 if (pkg.mUpgradeKeySets != null) { 5884 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5885 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5886 } 5887 } 5888 } 5889 } catch (NullPointerException e) { 5890 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5891 } catch (IllegalArgumentException e) { 5892 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5893 } 5894 5895 int N = pkg.providers.size(); 5896 StringBuilder r = null; 5897 int i; 5898 for (i=0; i<N; i++) { 5899 PackageParser.Provider p = pkg.providers.get(i); 5900 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5901 p.info.processName, pkg.applicationInfo.uid); 5902 mProviders.addProvider(p); 5903 p.syncable = p.info.isSyncable; 5904 if (p.info.authority != null) { 5905 String names[] = p.info.authority.split(";"); 5906 p.info.authority = null; 5907 for (int j = 0; j < names.length; j++) { 5908 if (j == 1 && p.syncable) { 5909 // We only want the first authority for a provider to possibly be 5910 // syncable, so if we already added this provider using a different 5911 // authority clear the syncable flag. We copy the provider before 5912 // changing it because the mProviders object contains a reference 5913 // to a provider that we don't want to change. 5914 // Only do this for the second authority since the resulting provider 5915 // object can be the same for all future authorities for this provider. 5916 p = new PackageParser.Provider(p); 5917 p.syncable = false; 5918 } 5919 if (!mProvidersByAuthority.containsKey(names[j])) { 5920 mProvidersByAuthority.put(names[j], p); 5921 if (p.info.authority == null) { 5922 p.info.authority = names[j]; 5923 } else { 5924 p.info.authority = p.info.authority + ";" + names[j]; 5925 } 5926 if (DEBUG_PACKAGE_SCANNING) { 5927 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5928 Log.d(TAG, "Registered content provider: " + names[j] 5929 + ", className = " + p.info.name + ", isSyncable = " 5930 + p.info.isSyncable); 5931 } 5932 } else { 5933 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5934 Slog.w(TAG, "Skipping provider name " + names[j] + 5935 " (in package " + pkg.applicationInfo.packageName + 5936 "): name already used by " 5937 + ((other != null && other.getComponentName() != null) 5938 ? other.getComponentName().getPackageName() : "?")); 5939 } 5940 } 5941 } 5942 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5943 if (r == null) { 5944 r = new StringBuilder(256); 5945 } else { 5946 r.append(' '); 5947 } 5948 r.append(p.info.name); 5949 } 5950 } 5951 if (r != null) { 5952 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5953 } 5954 5955 N = pkg.services.size(); 5956 r = null; 5957 for (i=0; i<N; i++) { 5958 PackageParser.Service s = pkg.services.get(i); 5959 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5960 s.info.processName, pkg.applicationInfo.uid); 5961 mServices.addService(s); 5962 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5963 if (r == null) { 5964 r = new StringBuilder(256); 5965 } else { 5966 r.append(' '); 5967 } 5968 r.append(s.info.name); 5969 } 5970 } 5971 if (r != null) { 5972 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5973 } 5974 5975 N = pkg.receivers.size(); 5976 r = null; 5977 for (i=0; i<N; i++) { 5978 PackageParser.Activity a = pkg.receivers.get(i); 5979 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5980 a.info.processName, pkg.applicationInfo.uid); 5981 mReceivers.addActivity(a, "receiver"); 5982 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5983 if (r == null) { 5984 r = new StringBuilder(256); 5985 } else { 5986 r.append(' '); 5987 } 5988 r.append(a.info.name); 5989 } 5990 } 5991 if (r != null) { 5992 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5993 } 5994 5995 N = pkg.activities.size(); 5996 r = null; 5997 for (i=0; i<N; i++) { 5998 PackageParser.Activity a = pkg.activities.get(i); 5999 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6000 a.info.processName, pkg.applicationInfo.uid); 6001 mActivities.addActivity(a, "activity"); 6002 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6003 if (r == null) { 6004 r = new StringBuilder(256); 6005 } else { 6006 r.append(' '); 6007 } 6008 r.append(a.info.name); 6009 } 6010 } 6011 if (r != null) { 6012 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6013 } 6014 6015 N = pkg.permissionGroups.size(); 6016 r = null; 6017 for (i=0; i<N; i++) { 6018 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6019 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6020 if (cur == null) { 6021 mPermissionGroups.put(pg.info.name, pg); 6022 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6023 if (r == null) { 6024 r = new StringBuilder(256); 6025 } else { 6026 r.append(' '); 6027 } 6028 r.append(pg.info.name); 6029 } 6030 } else { 6031 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6032 + pg.info.packageName + " ignored: original from " 6033 + cur.info.packageName); 6034 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6035 if (r == null) { 6036 r = new StringBuilder(256); 6037 } else { 6038 r.append(' '); 6039 } 6040 r.append("DUP:"); 6041 r.append(pg.info.name); 6042 } 6043 } 6044 } 6045 if (r != null) { 6046 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6047 } 6048 6049 N = pkg.permissions.size(); 6050 r = null; 6051 for (i=0; i<N; i++) { 6052 PackageParser.Permission p = pkg.permissions.get(i); 6053 ArrayMap<String, BasePermission> permissionMap = 6054 p.tree ? mSettings.mPermissionTrees 6055 : mSettings.mPermissions; 6056 p.group = mPermissionGroups.get(p.info.group); 6057 if (p.info.group == null || p.group != null) { 6058 BasePermission bp = permissionMap.get(p.info.name); 6059 6060 // Allow system apps to redefine non-system permissions 6061 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6062 final boolean currentOwnerIsSystem = (bp.perm != null 6063 && isSystemApp(bp.perm.owner)); 6064 if (isSystemApp(p.owner)) { 6065 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6066 // It's a built-in permission and no owner, take ownership now 6067 bp.packageSetting = pkgSetting; 6068 bp.perm = p; 6069 bp.uid = pkg.applicationInfo.uid; 6070 bp.sourcePackage = p.info.packageName; 6071 } else if (!currentOwnerIsSystem) { 6072 String msg = "New decl " + p.owner + " of permission " 6073 + p.info.name + " is system; overriding " + bp.sourcePackage; 6074 reportSettingsProblem(Log.WARN, msg); 6075 bp = null; 6076 } 6077 } 6078 } 6079 6080 if (bp == null) { 6081 bp = new BasePermission(p.info.name, p.info.packageName, 6082 BasePermission.TYPE_NORMAL); 6083 permissionMap.put(p.info.name, bp); 6084 } 6085 6086 if (bp.perm == null) { 6087 if (bp.sourcePackage == null 6088 || bp.sourcePackage.equals(p.info.packageName)) { 6089 BasePermission tree = findPermissionTreeLP(p.info.name); 6090 if (tree == null 6091 || tree.sourcePackage.equals(p.info.packageName)) { 6092 bp.packageSetting = pkgSetting; 6093 bp.perm = p; 6094 bp.uid = pkg.applicationInfo.uid; 6095 bp.sourcePackage = p.info.packageName; 6096 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6097 if (r == null) { 6098 r = new StringBuilder(256); 6099 } else { 6100 r.append(' '); 6101 } 6102 r.append(p.info.name); 6103 } 6104 } else { 6105 Slog.w(TAG, "Permission " + p.info.name + " from package " 6106 + p.info.packageName + " ignored: base tree " 6107 + tree.name + " is from package " 6108 + tree.sourcePackage); 6109 } 6110 } else { 6111 Slog.w(TAG, "Permission " + p.info.name + " from package " 6112 + p.info.packageName + " ignored: original from " 6113 + bp.sourcePackage); 6114 } 6115 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6116 if (r == null) { 6117 r = new StringBuilder(256); 6118 } else { 6119 r.append(' '); 6120 } 6121 r.append("DUP:"); 6122 r.append(p.info.name); 6123 } 6124 if (bp.perm == p) { 6125 bp.protectionLevel = p.info.protectionLevel; 6126 } 6127 } else { 6128 Slog.w(TAG, "Permission " + p.info.name + " from package " 6129 + p.info.packageName + " ignored: no group " 6130 + p.group); 6131 } 6132 } 6133 if (r != null) { 6134 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6135 } 6136 6137 N = pkg.instrumentation.size(); 6138 r = null; 6139 for (i=0; i<N; i++) { 6140 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6141 a.info.packageName = pkg.applicationInfo.packageName; 6142 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6143 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6144 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6145 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6146 a.info.dataDir = pkg.applicationInfo.dataDir; 6147 6148 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6149 // need other information about the application, like the ABI and what not ? 6150 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6151 mInstrumentation.put(a.getComponentName(), a); 6152 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6153 if (r == null) { 6154 r = new StringBuilder(256); 6155 } else { 6156 r.append(' '); 6157 } 6158 r.append(a.info.name); 6159 } 6160 } 6161 if (r != null) { 6162 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6163 } 6164 6165 if (pkg.protectedBroadcasts != null) { 6166 N = pkg.protectedBroadcasts.size(); 6167 for (i=0; i<N; i++) { 6168 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6169 } 6170 } 6171 6172 pkgSetting.setTimeStamp(scanFileTime); 6173 6174 // Create idmap files for pairs of (packages, overlay packages). 6175 // Note: "android", ie framework-res.apk, is handled by native layers. 6176 if (pkg.mOverlayTarget != null) { 6177 // This is an overlay package. 6178 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6179 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6180 mOverlays.put(pkg.mOverlayTarget, 6181 new ArrayMap<String, PackageParser.Package>()); 6182 } 6183 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6184 map.put(pkg.packageName, pkg); 6185 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6186 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6187 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6188 "scanPackageLI failed to createIdmap"); 6189 } 6190 } 6191 } else if (mOverlays.containsKey(pkg.packageName) && 6192 !pkg.packageName.equals("android")) { 6193 // This is a regular package, with one or more known overlay packages. 6194 createIdmapsForPackageLI(pkg); 6195 } 6196 } 6197 6198 return pkg; 6199 } 6200 6201 /** 6202 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6203 * i.e, so that all packages can be run inside a single process if required. 6204 * 6205 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6206 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6207 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6208 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6209 * updating a package that belongs to a shared user. 6210 * 6211 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6212 * adds unnecessary complexity. 6213 */ 6214 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6215 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6216 String requiredInstructionSet = null; 6217 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6218 requiredInstructionSet = VMRuntime.getInstructionSet( 6219 scannedPackage.applicationInfo.primaryCpuAbi); 6220 } 6221 6222 PackageSetting requirer = null; 6223 for (PackageSetting ps : packagesForUser) { 6224 // If packagesForUser contains scannedPackage, we skip it. This will happen 6225 // when scannedPackage is an update of an existing package. Without this check, 6226 // we will never be able to change the ABI of any package belonging to a shared 6227 // user, even if it's compatible with other packages. 6228 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6229 if (ps.primaryCpuAbiString == null) { 6230 continue; 6231 } 6232 6233 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6234 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6235 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6236 // this but there's not much we can do. 6237 String errorMessage = "Instruction set mismatch, " 6238 + ((requirer == null) ? "[caller]" : requirer) 6239 + " requires " + requiredInstructionSet + " whereas " + ps 6240 + " requires " + instructionSet; 6241 Slog.w(TAG, errorMessage); 6242 } 6243 6244 if (requiredInstructionSet == null) { 6245 requiredInstructionSet = instructionSet; 6246 requirer = ps; 6247 } 6248 } 6249 } 6250 6251 if (requiredInstructionSet != null) { 6252 String adjustedAbi; 6253 if (requirer != null) { 6254 // requirer != null implies that either scannedPackage was null or that scannedPackage 6255 // did not require an ABI, in which case we have to adjust scannedPackage to match 6256 // the ABI of the set (which is the same as requirer's ABI) 6257 adjustedAbi = requirer.primaryCpuAbiString; 6258 if (scannedPackage != null) { 6259 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6260 } 6261 } else { 6262 // requirer == null implies that we're updating all ABIs in the set to 6263 // match scannedPackage. 6264 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6265 } 6266 6267 for (PackageSetting ps : packagesForUser) { 6268 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6269 if (ps.primaryCpuAbiString != null) { 6270 continue; 6271 } 6272 6273 ps.primaryCpuAbiString = adjustedAbi; 6274 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6275 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6276 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6277 6278 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6279 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6280 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6281 ps.primaryCpuAbiString = null; 6282 ps.pkg.applicationInfo.primaryCpuAbi = null; 6283 return; 6284 } else { 6285 mInstaller.rmdex(ps.codePathString, 6286 getDexCodeInstructionSet(getPreferredInstructionSet())); 6287 } 6288 } 6289 } 6290 } 6291 } 6292 } 6293 6294 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6295 synchronized (mPackages) { 6296 mResolverReplaced = true; 6297 // Set up information for custom user intent resolution activity. 6298 mResolveActivity.applicationInfo = pkg.applicationInfo; 6299 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6300 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6301 mResolveActivity.processName = pkg.applicationInfo.packageName; 6302 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6303 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6304 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6305 mResolveActivity.theme = 0; 6306 mResolveActivity.exported = true; 6307 mResolveActivity.enabled = true; 6308 mResolveInfo.activityInfo = mResolveActivity; 6309 mResolveInfo.priority = 0; 6310 mResolveInfo.preferredOrder = 0; 6311 mResolveInfo.match = 0; 6312 mResolveComponentName = mCustomResolverComponentName; 6313 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6314 mResolveComponentName); 6315 } 6316 } 6317 6318 private static String calculateBundledApkRoot(final String codePathString) { 6319 final File codePath = new File(codePathString); 6320 final File codeRoot; 6321 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6322 codeRoot = Environment.getRootDirectory(); 6323 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6324 codeRoot = Environment.getOemDirectory(); 6325 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6326 codeRoot = Environment.getVendorDirectory(); 6327 } else { 6328 // Unrecognized code path; take its top real segment as the apk root: 6329 // e.g. /something/app/blah.apk => /something 6330 try { 6331 File f = codePath.getCanonicalFile(); 6332 File parent = f.getParentFile(); // non-null because codePath is a file 6333 File tmp; 6334 while ((tmp = parent.getParentFile()) != null) { 6335 f = parent; 6336 parent = tmp; 6337 } 6338 codeRoot = f; 6339 Slog.w(TAG, "Unrecognized code path " 6340 + codePath + " - using " + codeRoot); 6341 } catch (IOException e) { 6342 // Can't canonicalize the code path -- shenanigans? 6343 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6344 return Environment.getRootDirectory().getPath(); 6345 } 6346 } 6347 return codeRoot.getPath(); 6348 } 6349 6350 /** 6351 * Derive and set the location of native libraries for the given package, 6352 * which varies depending on where and how the package was installed. 6353 */ 6354 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6355 final ApplicationInfo info = pkg.applicationInfo; 6356 final String codePath = pkg.codePath; 6357 final File codeFile = new File(codePath); 6358 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 6359 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6360 6361 info.nativeLibraryRootDir = null; 6362 info.nativeLibraryRootRequiresIsa = false; 6363 info.nativeLibraryDir = null; 6364 info.secondaryNativeLibraryDir = null; 6365 6366 if (isApkFile(codeFile)) { 6367 // Monolithic install 6368 if (bundledApp) { 6369 // If "/system/lib64/apkname" exists, assume that is the per-package 6370 // native library directory to use; otherwise use "/system/lib/apkname". 6371 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6372 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6373 getPrimaryInstructionSet(info)); 6374 6375 // This is a bundled system app so choose the path based on the ABI. 6376 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6377 // is just the default path. 6378 final String apkName = deriveCodePathName(codePath); 6379 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6380 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6381 apkName).getAbsolutePath(); 6382 6383 if (info.secondaryCpuAbi != null) { 6384 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6385 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6386 secondaryLibDir, apkName).getAbsolutePath(); 6387 } 6388 } else if (asecApp) { 6389 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6390 .getAbsolutePath(); 6391 } else { 6392 final String apkName = deriveCodePathName(codePath); 6393 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6394 .getAbsolutePath(); 6395 } 6396 6397 info.nativeLibraryRootRequiresIsa = false; 6398 info.nativeLibraryDir = info.nativeLibraryRootDir; 6399 } else { 6400 // Cluster install 6401 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6402 info.nativeLibraryRootRequiresIsa = true; 6403 6404 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6405 getPrimaryInstructionSet(info)).getAbsolutePath(); 6406 6407 if (info.secondaryCpuAbi != null) { 6408 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6409 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6410 } 6411 } 6412 } 6413 6414 /** 6415 * Calculate the abis and roots for a bundled app. These can uniquely 6416 * be determined from the contents of the system partition, i.e whether 6417 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6418 * of this information, and instead assume that the system was built 6419 * sensibly. 6420 */ 6421 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6422 PackageSetting pkgSetting) { 6423 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6424 6425 // If "/system/lib64/apkname" exists, assume that is the per-package 6426 // native library directory to use; otherwise use "/system/lib/apkname". 6427 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6428 setBundledAppAbi(pkg, apkRoot, apkName); 6429 // pkgSetting might be null during rescan following uninstall of updates 6430 // to a bundled app, so accommodate that possibility. The settings in 6431 // that case will be established later from the parsed package. 6432 // 6433 // If the settings aren't null, sync them up with what we've just derived. 6434 // note that apkRoot isn't stored in the package settings. 6435 if (pkgSetting != null) { 6436 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6437 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6438 } 6439 } 6440 6441 /** 6442 * Deduces the ABI of a bundled app and sets the relevant fields on the 6443 * parsed pkg object. 6444 * 6445 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6446 * under which system libraries are installed. 6447 * @param apkName the name of the installed package. 6448 */ 6449 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6450 final File codeFile = new File(pkg.codePath); 6451 6452 final boolean has64BitLibs; 6453 final boolean has32BitLibs; 6454 if (isApkFile(codeFile)) { 6455 // Monolithic install 6456 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6457 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6458 } else { 6459 // Cluster install 6460 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6461 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6462 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6463 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6464 has64BitLibs = (new File(rootDir, isa)).exists(); 6465 } else { 6466 has64BitLibs = false; 6467 } 6468 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6469 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6470 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6471 has32BitLibs = (new File(rootDir, isa)).exists(); 6472 } else { 6473 has32BitLibs = false; 6474 } 6475 } 6476 6477 if (has64BitLibs && !has32BitLibs) { 6478 // The package has 64 bit libs, but not 32 bit libs. Its primary 6479 // ABI should be 64 bit. We can safely assume here that the bundled 6480 // native libraries correspond to the most preferred ABI in the list. 6481 6482 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6483 pkg.applicationInfo.secondaryCpuAbi = null; 6484 } else if (has32BitLibs && !has64BitLibs) { 6485 // The package has 32 bit libs but not 64 bit libs. Its primary 6486 // ABI should be 32 bit. 6487 6488 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6489 pkg.applicationInfo.secondaryCpuAbi = null; 6490 } else if (has32BitLibs && has64BitLibs) { 6491 // The application has both 64 and 32 bit bundled libraries. We check 6492 // here that the app declares multiArch support, and warn if it doesn't. 6493 // 6494 // We will be lenient here and record both ABIs. The primary will be the 6495 // ABI that's higher on the list, i.e, a device that's configured to prefer 6496 // 64 bit apps will see a 64 bit primary ABI, 6497 6498 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6499 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6500 } 6501 6502 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6503 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6504 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6505 } else { 6506 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6507 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6508 } 6509 } else { 6510 pkg.applicationInfo.primaryCpuAbi = null; 6511 pkg.applicationInfo.secondaryCpuAbi = null; 6512 } 6513 } 6514 6515 private void killApplication(String pkgName, int appId, String reason) { 6516 // Request the ActivityManager to kill the process(only for existing packages) 6517 // so that we do not end up in a confused state while the user is still using the older 6518 // version of the application while the new one gets installed. 6519 IActivityManager am = ActivityManagerNative.getDefault(); 6520 if (am != null) { 6521 try { 6522 am.killApplicationWithAppId(pkgName, appId, reason); 6523 } catch (RemoteException e) { 6524 } 6525 } 6526 } 6527 6528 void removePackageLI(PackageSetting ps, boolean chatty) { 6529 if (DEBUG_INSTALL) { 6530 if (chatty) 6531 Log.d(TAG, "Removing package " + ps.name); 6532 } 6533 6534 // writer 6535 synchronized (mPackages) { 6536 mPackages.remove(ps.name); 6537 final PackageParser.Package pkg = ps.pkg; 6538 if (pkg != null) { 6539 cleanPackageDataStructuresLILPw(pkg, chatty); 6540 } 6541 } 6542 } 6543 6544 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6545 if (DEBUG_INSTALL) { 6546 if (chatty) 6547 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6548 } 6549 6550 // writer 6551 synchronized (mPackages) { 6552 mPackages.remove(pkg.applicationInfo.packageName); 6553 cleanPackageDataStructuresLILPw(pkg, chatty); 6554 } 6555 } 6556 6557 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6558 int N = pkg.providers.size(); 6559 StringBuilder r = null; 6560 int i; 6561 for (i=0; i<N; i++) { 6562 PackageParser.Provider p = pkg.providers.get(i); 6563 mProviders.removeProvider(p); 6564 if (p.info.authority == null) { 6565 6566 /* There was another ContentProvider with this authority when 6567 * this app was installed so this authority is null, 6568 * Ignore it as we don't have to unregister the provider. 6569 */ 6570 continue; 6571 } 6572 String names[] = p.info.authority.split(";"); 6573 for (int j = 0; j < names.length; j++) { 6574 if (mProvidersByAuthority.get(names[j]) == p) { 6575 mProvidersByAuthority.remove(names[j]); 6576 if (DEBUG_REMOVE) { 6577 if (chatty) 6578 Log.d(TAG, "Unregistered content provider: " + names[j] 6579 + ", className = " + p.info.name + ", isSyncable = " 6580 + p.info.isSyncable); 6581 } 6582 } 6583 } 6584 if (DEBUG_REMOVE && chatty) { 6585 if (r == null) { 6586 r = new StringBuilder(256); 6587 } else { 6588 r.append(' '); 6589 } 6590 r.append(p.info.name); 6591 } 6592 } 6593 if (r != null) { 6594 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6595 } 6596 6597 N = pkg.services.size(); 6598 r = null; 6599 for (i=0; i<N; i++) { 6600 PackageParser.Service s = pkg.services.get(i); 6601 mServices.removeService(s); 6602 if (chatty) { 6603 if (r == null) { 6604 r = new StringBuilder(256); 6605 } else { 6606 r.append(' '); 6607 } 6608 r.append(s.info.name); 6609 } 6610 } 6611 if (r != null) { 6612 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6613 } 6614 6615 N = pkg.receivers.size(); 6616 r = null; 6617 for (i=0; i<N; i++) { 6618 PackageParser.Activity a = pkg.receivers.get(i); 6619 mReceivers.removeActivity(a, "receiver"); 6620 if (DEBUG_REMOVE && chatty) { 6621 if (r == null) { 6622 r = new StringBuilder(256); 6623 } else { 6624 r.append(' '); 6625 } 6626 r.append(a.info.name); 6627 } 6628 } 6629 if (r != null) { 6630 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6631 } 6632 6633 N = pkg.activities.size(); 6634 r = null; 6635 for (i=0; i<N; i++) { 6636 PackageParser.Activity a = pkg.activities.get(i); 6637 mActivities.removeActivity(a, "activity"); 6638 if (DEBUG_REMOVE && chatty) { 6639 if (r == null) { 6640 r = new StringBuilder(256); 6641 } else { 6642 r.append(' '); 6643 } 6644 r.append(a.info.name); 6645 } 6646 } 6647 if (r != null) { 6648 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6649 } 6650 6651 N = pkg.permissions.size(); 6652 r = null; 6653 for (i=0; i<N; i++) { 6654 PackageParser.Permission p = pkg.permissions.get(i); 6655 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6656 if (bp == null) { 6657 bp = mSettings.mPermissionTrees.get(p.info.name); 6658 } 6659 if (bp != null && bp.perm == p) { 6660 bp.perm = null; 6661 if (DEBUG_REMOVE && chatty) { 6662 if (r == null) { 6663 r = new StringBuilder(256); 6664 } else { 6665 r.append(' '); 6666 } 6667 r.append(p.info.name); 6668 } 6669 } 6670 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6671 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6672 if (appOpPerms != null) { 6673 appOpPerms.remove(pkg.packageName); 6674 } 6675 } 6676 } 6677 if (r != null) { 6678 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6679 } 6680 6681 N = pkg.requestedPermissions.size(); 6682 r = null; 6683 for (i=0; i<N; i++) { 6684 String perm = pkg.requestedPermissions.get(i); 6685 BasePermission bp = mSettings.mPermissions.get(perm); 6686 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6687 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6688 if (appOpPerms != null) { 6689 appOpPerms.remove(pkg.packageName); 6690 if (appOpPerms.isEmpty()) { 6691 mAppOpPermissionPackages.remove(perm); 6692 } 6693 } 6694 } 6695 } 6696 if (r != null) { 6697 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6698 } 6699 6700 N = pkg.instrumentation.size(); 6701 r = null; 6702 for (i=0; i<N; i++) { 6703 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6704 mInstrumentation.remove(a.getComponentName()); 6705 if (DEBUG_REMOVE && chatty) { 6706 if (r == null) { 6707 r = new StringBuilder(256); 6708 } else { 6709 r.append(' '); 6710 } 6711 r.append(a.info.name); 6712 } 6713 } 6714 if (r != null) { 6715 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6716 } 6717 6718 r = null; 6719 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6720 // Only system apps can hold shared libraries. 6721 if (pkg.libraryNames != null) { 6722 for (i=0; i<pkg.libraryNames.size(); i++) { 6723 String name = pkg.libraryNames.get(i); 6724 SharedLibraryEntry cur = mSharedLibraries.get(name); 6725 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6726 mSharedLibraries.remove(name); 6727 if (DEBUG_REMOVE && chatty) { 6728 if (r == null) { 6729 r = new StringBuilder(256); 6730 } else { 6731 r.append(' '); 6732 } 6733 r.append(name); 6734 } 6735 } 6736 } 6737 } 6738 } 6739 if (r != null) { 6740 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6741 } 6742 } 6743 6744 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6745 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6746 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6747 return true; 6748 } 6749 } 6750 return false; 6751 } 6752 6753 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6754 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6755 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6756 6757 private void updatePermissionsLPw(String changingPkg, 6758 PackageParser.Package pkgInfo, int flags) { 6759 // Make sure there are no dangling permission trees. 6760 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6761 while (it.hasNext()) { 6762 final BasePermission bp = it.next(); 6763 if (bp.packageSetting == null) { 6764 // We may not yet have parsed the package, so just see if 6765 // we still know about its settings. 6766 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6767 } 6768 if (bp.packageSetting == null) { 6769 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6770 + " from package " + bp.sourcePackage); 6771 it.remove(); 6772 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6773 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6774 Slog.i(TAG, "Removing old permission tree: " + bp.name 6775 + " from package " + bp.sourcePackage); 6776 flags |= UPDATE_PERMISSIONS_ALL; 6777 it.remove(); 6778 } 6779 } 6780 } 6781 6782 // Make sure all dynamic permissions have been assigned to a package, 6783 // and make sure there are no dangling permissions. 6784 it = mSettings.mPermissions.values().iterator(); 6785 while (it.hasNext()) { 6786 final BasePermission bp = it.next(); 6787 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6788 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6789 + bp.name + " pkg=" + bp.sourcePackage 6790 + " info=" + bp.pendingInfo); 6791 if (bp.packageSetting == null && bp.pendingInfo != null) { 6792 final BasePermission tree = findPermissionTreeLP(bp.name); 6793 if (tree != null && tree.perm != null) { 6794 bp.packageSetting = tree.packageSetting; 6795 bp.perm = new PackageParser.Permission(tree.perm.owner, 6796 new PermissionInfo(bp.pendingInfo)); 6797 bp.perm.info.packageName = tree.perm.info.packageName; 6798 bp.perm.info.name = bp.name; 6799 bp.uid = tree.uid; 6800 } 6801 } 6802 } 6803 if (bp.packageSetting == null) { 6804 // We may not yet have parsed the package, so just see if 6805 // we still know about its settings. 6806 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6807 } 6808 if (bp.packageSetting == null) { 6809 Slog.w(TAG, "Removing dangling permission: " + bp.name 6810 + " from package " + bp.sourcePackage); 6811 it.remove(); 6812 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6813 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6814 Slog.i(TAG, "Removing old permission: " + bp.name 6815 + " from package " + bp.sourcePackage); 6816 flags |= UPDATE_PERMISSIONS_ALL; 6817 it.remove(); 6818 } 6819 } 6820 } 6821 6822 // Now update the permissions for all packages, in particular 6823 // replace the granted permissions of the system packages. 6824 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6825 for (PackageParser.Package pkg : mPackages.values()) { 6826 if (pkg != pkgInfo) { 6827 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6828 changingPkg); 6829 } 6830 } 6831 } 6832 6833 if (pkgInfo != null) { 6834 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6835 } 6836 } 6837 6838 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6839 String packageOfInterest) { 6840 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6841 if (ps == null) { 6842 return; 6843 } 6844 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6845 ArraySet<String> origPermissions = gp.grantedPermissions; 6846 boolean changedPermission = false; 6847 6848 if (replace) { 6849 ps.permissionsFixed = false; 6850 if (gp == ps) { 6851 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6852 gp.grantedPermissions.clear(); 6853 gp.gids = mGlobalGids; 6854 } 6855 } 6856 6857 if (gp.gids == null) { 6858 gp.gids = mGlobalGids; 6859 } 6860 6861 final int N = pkg.requestedPermissions.size(); 6862 for (int i=0; i<N; i++) { 6863 final String name = pkg.requestedPermissions.get(i); 6864 final boolean required = pkg.requestedPermissionsRequired.get(i); 6865 final BasePermission bp = mSettings.mPermissions.get(name); 6866 if (DEBUG_INSTALL) { 6867 if (gp != ps) { 6868 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6869 } 6870 } 6871 6872 if (bp == null || bp.packageSetting == null) { 6873 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6874 Slog.w(TAG, "Unknown permission " + name 6875 + " in package " + pkg.packageName); 6876 } 6877 continue; 6878 } 6879 6880 final String perm = bp.name; 6881 boolean allowed; 6882 boolean allowedSig = false; 6883 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6884 // Keep track of app op permissions. 6885 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6886 if (pkgs == null) { 6887 pkgs = new ArraySet<>(); 6888 mAppOpPermissionPackages.put(bp.name, pkgs); 6889 } 6890 pkgs.add(pkg.packageName); 6891 } 6892 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6893 if (level == PermissionInfo.PROTECTION_NORMAL 6894 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6895 // We grant a normal or dangerous permission if any of the following 6896 // are true: 6897 // 1) The permission is required 6898 // 2) The permission is optional, but was granted in the past 6899 // 3) The permission is optional, but was requested by an 6900 // app in /system (not /data) 6901 // 6902 // Otherwise, reject the permission. 6903 allowed = (required || origPermissions.contains(perm) 6904 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6905 } else if (bp.packageSetting == null) { 6906 // This permission is invalid; skip it. 6907 allowed = false; 6908 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6909 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6910 if (allowed) { 6911 allowedSig = true; 6912 } 6913 } else { 6914 allowed = false; 6915 } 6916 if (DEBUG_INSTALL) { 6917 if (gp != ps) { 6918 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6919 } 6920 } 6921 if (allowed) { 6922 if (!isSystemApp(ps) && ps.permissionsFixed) { 6923 // If this is an existing, non-system package, then 6924 // we can't add any new permissions to it. 6925 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6926 // Except... if this is a permission that was added 6927 // to the platform (note: need to only do this when 6928 // updating the platform). 6929 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6930 } 6931 } 6932 if (allowed) { 6933 if (!gp.grantedPermissions.contains(perm)) { 6934 changedPermission = true; 6935 gp.grantedPermissions.add(perm); 6936 gp.gids = appendInts(gp.gids, bp.gids); 6937 } else if (!ps.haveGids) { 6938 gp.gids = appendInts(gp.gids, bp.gids); 6939 } 6940 } else { 6941 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6942 Slog.w(TAG, "Not granting permission " + perm 6943 + " to package " + pkg.packageName 6944 + " because it was previously installed without"); 6945 } 6946 } 6947 } else { 6948 if (gp.grantedPermissions.remove(perm)) { 6949 changedPermission = true; 6950 gp.gids = removeInts(gp.gids, bp.gids); 6951 Slog.i(TAG, "Un-granting permission " + perm 6952 + " from package " + pkg.packageName 6953 + " (protectionLevel=" + bp.protectionLevel 6954 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6955 + ")"); 6956 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6957 // Don't print warning for app op permissions, since it is fine for them 6958 // not to be granted, there is a UI for the user to decide. 6959 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6960 Slog.w(TAG, "Not granting permission " + perm 6961 + " to package " + pkg.packageName 6962 + " (protectionLevel=" + bp.protectionLevel 6963 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6964 + ")"); 6965 } 6966 } 6967 } 6968 } 6969 6970 if ((changedPermission || replace) && !ps.permissionsFixed && 6971 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6972 // This is the first that we have heard about this package, so the 6973 // permissions we have now selected are fixed until explicitly 6974 // changed. 6975 ps.permissionsFixed = true; 6976 } 6977 ps.haveGids = true; 6978 } 6979 6980 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6981 boolean allowed = false; 6982 final int NP = PackageParser.NEW_PERMISSIONS.length; 6983 for (int ip=0; ip<NP; ip++) { 6984 final PackageParser.NewPermissionInfo npi 6985 = PackageParser.NEW_PERMISSIONS[ip]; 6986 if (npi.name.equals(perm) 6987 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6988 allowed = true; 6989 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6990 + pkg.packageName); 6991 break; 6992 } 6993 } 6994 return allowed; 6995 } 6996 6997 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6998 BasePermission bp, ArraySet<String> origPermissions) { 6999 boolean allowed; 7000 allowed = (compareSignatures( 7001 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7002 == PackageManager.SIGNATURE_MATCH) 7003 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7004 == PackageManager.SIGNATURE_MATCH); 7005 if (!allowed && (bp.protectionLevel 7006 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7007 if (isSystemApp(pkg)) { 7008 // For updated system applications, a system permission 7009 // is granted only if it had been defined by the original application. 7010 if (pkg.isUpdatedSystemApp()) { 7011 final PackageSetting sysPs = mSettings 7012 .getDisabledSystemPkgLPr(pkg.packageName); 7013 final GrantedPermissions origGp = sysPs.sharedUser != null 7014 ? sysPs.sharedUser : sysPs; 7015 7016 if (origGp.grantedPermissions.contains(perm)) { 7017 // If the original was granted this permission, we take 7018 // that grant decision as read and propagate it to the 7019 // update. 7020 if (sysPs.isPrivileged()) { 7021 allowed = true; 7022 } 7023 } else { 7024 // The system apk may have been updated with an older 7025 // version of the one on the data partition, but which 7026 // granted a new system permission that it didn't have 7027 // before. In this case we do want to allow the app to 7028 // now get the new permission if the ancestral apk is 7029 // privileged to get it. 7030 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7031 for (int j=0; 7032 j<sysPs.pkg.requestedPermissions.size(); j++) { 7033 if (perm.equals( 7034 sysPs.pkg.requestedPermissions.get(j))) { 7035 allowed = true; 7036 break; 7037 } 7038 } 7039 } 7040 } 7041 } else { 7042 allowed = isPrivilegedApp(pkg); 7043 } 7044 } 7045 } 7046 if (!allowed && (bp.protectionLevel 7047 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7048 // For development permissions, a development permission 7049 // is granted only if it was already granted. 7050 allowed = origPermissions.contains(perm); 7051 } 7052 return allowed; 7053 } 7054 7055 final class ActivityIntentResolver 7056 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7057 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7058 boolean defaultOnly, int userId) { 7059 if (!sUserManager.exists(userId)) return null; 7060 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7061 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7062 } 7063 7064 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7065 int userId) { 7066 if (!sUserManager.exists(userId)) return null; 7067 mFlags = flags; 7068 return super.queryIntent(intent, resolvedType, 7069 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7070 } 7071 7072 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7073 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7074 if (!sUserManager.exists(userId)) return null; 7075 if (packageActivities == null) { 7076 return null; 7077 } 7078 mFlags = flags; 7079 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7080 final int N = packageActivities.size(); 7081 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7082 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7083 7084 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7085 for (int i = 0; i < N; ++i) { 7086 intentFilters = packageActivities.get(i).intents; 7087 if (intentFilters != null && intentFilters.size() > 0) { 7088 PackageParser.ActivityIntentInfo[] array = 7089 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7090 intentFilters.toArray(array); 7091 listCut.add(array); 7092 } 7093 } 7094 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7095 } 7096 7097 public final void addActivity(PackageParser.Activity a, String type) { 7098 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 7099 mActivities.put(a.getComponentName(), a); 7100 if (DEBUG_SHOW_INFO) 7101 Log.v( 7102 TAG, " " + type + " " + 7103 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7104 if (DEBUG_SHOW_INFO) 7105 Log.v(TAG, " Class=" + a.info.name); 7106 final int NI = a.intents.size(); 7107 for (int j=0; j<NI; j++) { 7108 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7109 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7110 intent.setPriority(0); 7111 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7112 + a.className + " with priority > 0, forcing to 0"); 7113 } 7114 if (DEBUG_SHOW_INFO) { 7115 Log.v(TAG, " IntentFilter:"); 7116 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7117 } 7118 if (!intent.debugCheck()) { 7119 Log.w(TAG, "==> For Activity " + a.info.name); 7120 } 7121 addFilter(intent); 7122 } 7123 } 7124 7125 public final void removeActivity(PackageParser.Activity a, String type) { 7126 mActivities.remove(a.getComponentName()); 7127 if (DEBUG_SHOW_INFO) { 7128 Log.v(TAG, " " + type + " " 7129 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7130 : a.info.name) + ":"); 7131 Log.v(TAG, " Class=" + a.info.name); 7132 } 7133 final int NI = a.intents.size(); 7134 for (int j=0; j<NI; j++) { 7135 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7136 if (DEBUG_SHOW_INFO) { 7137 Log.v(TAG, " IntentFilter:"); 7138 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7139 } 7140 removeFilter(intent); 7141 } 7142 } 7143 7144 @Override 7145 protected boolean allowFilterResult( 7146 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7147 ActivityInfo filterAi = filter.activity.info; 7148 for (int i=dest.size()-1; i>=0; i--) { 7149 ActivityInfo destAi = dest.get(i).activityInfo; 7150 if (destAi.name == filterAi.name 7151 && destAi.packageName == filterAi.packageName) { 7152 return false; 7153 } 7154 } 7155 return true; 7156 } 7157 7158 @Override 7159 protected ActivityIntentInfo[] newArray(int size) { 7160 return new ActivityIntentInfo[size]; 7161 } 7162 7163 @Override 7164 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7165 if (!sUserManager.exists(userId)) return true; 7166 PackageParser.Package p = filter.activity.owner; 7167 if (p != null) { 7168 PackageSetting ps = (PackageSetting)p.mExtras; 7169 if (ps != null) { 7170 // System apps are never considered stopped for purposes of 7171 // filtering, because there may be no way for the user to 7172 // actually re-launch them. 7173 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7174 && ps.getStopped(userId); 7175 } 7176 } 7177 return false; 7178 } 7179 7180 @Override 7181 protected boolean isPackageForFilter(String packageName, 7182 PackageParser.ActivityIntentInfo info) { 7183 return packageName.equals(info.activity.owner.packageName); 7184 } 7185 7186 @Override 7187 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7188 int match, int userId) { 7189 if (!sUserManager.exists(userId)) return null; 7190 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7191 return null; 7192 } 7193 final PackageParser.Activity activity = info.activity; 7194 if (mSafeMode && (activity.info.applicationInfo.flags 7195 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7196 return null; 7197 } 7198 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7199 if (ps == null) { 7200 return null; 7201 } 7202 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7203 ps.readUserState(userId), userId); 7204 if (ai == null) { 7205 return null; 7206 } 7207 final ResolveInfo res = new ResolveInfo(); 7208 res.activityInfo = ai; 7209 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7210 res.filter = info; 7211 } 7212 res.priority = info.getPriority(); 7213 res.preferredOrder = activity.owner.mPreferredOrder; 7214 //System.out.println("Result: " + res.activityInfo.className + 7215 // " = " + res.priority); 7216 res.match = match; 7217 res.isDefault = info.hasDefault; 7218 res.labelRes = info.labelRes; 7219 res.nonLocalizedLabel = info.nonLocalizedLabel; 7220 if (userNeedsBadging(userId)) { 7221 res.noResourceId = true; 7222 } else { 7223 res.icon = info.icon; 7224 } 7225 res.system = res.activityInfo.applicationInfo.isSystemApp(); 7226 return res; 7227 } 7228 7229 @Override 7230 protected void sortResults(List<ResolveInfo> results) { 7231 Collections.sort(results, mResolvePrioritySorter); 7232 } 7233 7234 @Override 7235 protected void dumpFilter(PrintWriter out, String prefix, 7236 PackageParser.ActivityIntentInfo filter) { 7237 out.print(prefix); out.print( 7238 Integer.toHexString(System.identityHashCode(filter.activity))); 7239 out.print(' '); 7240 filter.activity.printComponentShortName(out); 7241 out.print(" filter "); 7242 out.println(Integer.toHexString(System.identityHashCode(filter))); 7243 } 7244 7245 @Override 7246 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7247 return filter.activity; 7248 } 7249 7250 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7251 PackageParser.Activity activity = (PackageParser.Activity)label; 7252 out.print(prefix); out.print( 7253 Integer.toHexString(System.identityHashCode(activity))); 7254 out.print(' '); 7255 activity.printComponentShortName(out); 7256 if (count > 1) { 7257 out.print(" ("); out.print(count); out.print(" filters)"); 7258 } 7259 out.println(); 7260 } 7261 7262// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7263// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7264// final List<ResolveInfo> retList = Lists.newArrayList(); 7265// while (i.hasNext()) { 7266// final ResolveInfo resolveInfo = i.next(); 7267// if (isEnabledLP(resolveInfo.activityInfo)) { 7268// retList.add(resolveInfo); 7269// } 7270// } 7271// return retList; 7272// } 7273 7274 // Keys are String (activity class name), values are Activity. 7275 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7276 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7277 private int mFlags; 7278 } 7279 7280 private final class ServiceIntentResolver 7281 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7282 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7283 boolean defaultOnly, int userId) { 7284 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7285 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7286 } 7287 7288 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7289 int userId) { 7290 if (!sUserManager.exists(userId)) return null; 7291 mFlags = flags; 7292 return super.queryIntent(intent, resolvedType, 7293 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7294 } 7295 7296 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7297 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7298 if (!sUserManager.exists(userId)) return null; 7299 if (packageServices == null) { 7300 return null; 7301 } 7302 mFlags = flags; 7303 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7304 final int N = packageServices.size(); 7305 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7306 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7307 7308 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7309 for (int i = 0; i < N; ++i) { 7310 intentFilters = packageServices.get(i).intents; 7311 if (intentFilters != null && intentFilters.size() > 0) { 7312 PackageParser.ServiceIntentInfo[] array = 7313 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7314 intentFilters.toArray(array); 7315 listCut.add(array); 7316 } 7317 } 7318 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7319 } 7320 7321 public final void addService(PackageParser.Service s) { 7322 mServices.put(s.getComponentName(), s); 7323 if (DEBUG_SHOW_INFO) { 7324 Log.v(TAG, " " 7325 + (s.info.nonLocalizedLabel != null 7326 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7327 Log.v(TAG, " Class=" + s.info.name); 7328 } 7329 final int NI = s.intents.size(); 7330 int j; 7331 for (j=0; j<NI; j++) { 7332 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7333 if (DEBUG_SHOW_INFO) { 7334 Log.v(TAG, " IntentFilter:"); 7335 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7336 } 7337 if (!intent.debugCheck()) { 7338 Log.w(TAG, "==> For Service " + s.info.name); 7339 } 7340 addFilter(intent); 7341 } 7342 } 7343 7344 public final void removeService(PackageParser.Service s) { 7345 mServices.remove(s.getComponentName()); 7346 if (DEBUG_SHOW_INFO) { 7347 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7348 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7349 Log.v(TAG, " Class=" + s.info.name); 7350 } 7351 final int NI = s.intents.size(); 7352 int j; 7353 for (j=0; j<NI; j++) { 7354 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7355 if (DEBUG_SHOW_INFO) { 7356 Log.v(TAG, " IntentFilter:"); 7357 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7358 } 7359 removeFilter(intent); 7360 } 7361 } 7362 7363 @Override 7364 protected boolean allowFilterResult( 7365 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7366 ServiceInfo filterSi = filter.service.info; 7367 for (int i=dest.size()-1; i>=0; i--) { 7368 ServiceInfo destAi = dest.get(i).serviceInfo; 7369 if (destAi.name == filterSi.name 7370 && destAi.packageName == filterSi.packageName) { 7371 return false; 7372 } 7373 } 7374 return true; 7375 } 7376 7377 @Override 7378 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7379 return new PackageParser.ServiceIntentInfo[size]; 7380 } 7381 7382 @Override 7383 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7384 if (!sUserManager.exists(userId)) return true; 7385 PackageParser.Package p = filter.service.owner; 7386 if (p != null) { 7387 PackageSetting ps = (PackageSetting)p.mExtras; 7388 if (ps != null) { 7389 // System apps are never considered stopped for purposes of 7390 // filtering, because there may be no way for the user to 7391 // actually re-launch them. 7392 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7393 && ps.getStopped(userId); 7394 } 7395 } 7396 return false; 7397 } 7398 7399 @Override 7400 protected boolean isPackageForFilter(String packageName, 7401 PackageParser.ServiceIntentInfo info) { 7402 return packageName.equals(info.service.owner.packageName); 7403 } 7404 7405 @Override 7406 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7407 int match, int userId) { 7408 if (!sUserManager.exists(userId)) return null; 7409 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7410 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7411 return null; 7412 } 7413 final PackageParser.Service service = info.service; 7414 if (mSafeMode && (service.info.applicationInfo.flags 7415 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7416 return null; 7417 } 7418 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7419 if (ps == null) { 7420 return null; 7421 } 7422 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7423 ps.readUserState(userId), userId); 7424 if (si == null) { 7425 return null; 7426 } 7427 final ResolveInfo res = new ResolveInfo(); 7428 res.serviceInfo = si; 7429 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7430 res.filter = filter; 7431 } 7432 res.priority = info.getPriority(); 7433 res.preferredOrder = service.owner.mPreferredOrder; 7434 //System.out.println("Result: " + res.activityInfo.className + 7435 // " = " + res.priority); 7436 res.match = match; 7437 res.isDefault = info.hasDefault; 7438 res.labelRes = info.labelRes; 7439 res.nonLocalizedLabel = info.nonLocalizedLabel; 7440 res.icon = info.icon; 7441 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 7442 return res; 7443 } 7444 7445 @Override 7446 protected void sortResults(List<ResolveInfo> results) { 7447 Collections.sort(results, mResolvePrioritySorter); 7448 } 7449 7450 @Override 7451 protected void dumpFilter(PrintWriter out, String prefix, 7452 PackageParser.ServiceIntentInfo filter) { 7453 out.print(prefix); out.print( 7454 Integer.toHexString(System.identityHashCode(filter.service))); 7455 out.print(' '); 7456 filter.service.printComponentShortName(out); 7457 out.print(" filter "); 7458 out.println(Integer.toHexString(System.identityHashCode(filter))); 7459 } 7460 7461 @Override 7462 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7463 return filter.service; 7464 } 7465 7466 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7467 PackageParser.Service service = (PackageParser.Service)label; 7468 out.print(prefix); out.print( 7469 Integer.toHexString(System.identityHashCode(service))); 7470 out.print(' '); 7471 service.printComponentShortName(out); 7472 if (count > 1) { 7473 out.print(" ("); out.print(count); out.print(" filters)"); 7474 } 7475 out.println(); 7476 } 7477 7478// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7479// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7480// final List<ResolveInfo> retList = Lists.newArrayList(); 7481// while (i.hasNext()) { 7482// final ResolveInfo resolveInfo = (ResolveInfo) i; 7483// if (isEnabledLP(resolveInfo.serviceInfo)) { 7484// retList.add(resolveInfo); 7485// } 7486// } 7487// return retList; 7488// } 7489 7490 // Keys are String (activity class name), values are Activity. 7491 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7492 = new ArrayMap<ComponentName, PackageParser.Service>(); 7493 private int mFlags; 7494 }; 7495 7496 private final class ProviderIntentResolver 7497 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7498 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7499 boolean defaultOnly, int userId) { 7500 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7501 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7502 } 7503 7504 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7505 int userId) { 7506 if (!sUserManager.exists(userId)) 7507 return null; 7508 mFlags = flags; 7509 return super.queryIntent(intent, resolvedType, 7510 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7511 } 7512 7513 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7514 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7515 if (!sUserManager.exists(userId)) 7516 return null; 7517 if (packageProviders == null) { 7518 return null; 7519 } 7520 mFlags = flags; 7521 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7522 final int N = packageProviders.size(); 7523 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7524 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7525 7526 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7527 for (int i = 0; i < N; ++i) { 7528 intentFilters = packageProviders.get(i).intents; 7529 if (intentFilters != null && intentFilters.size() > 0) { 7530 PackageParser.ProviderIntentInfo[] array = 7531 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7532 intentFilters.toArray(array); 7533 listCut.add(array); 7534 } 7535 } 7536 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7537 } 7538 7539 public final void addProvider(PackageParser.Provider p) { 7540 if (mProviders.containsKey(p.getComponentName())) { 7541 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7542 return; 7543 } 7544 7545 mProviders.put(p.getComponentName(), p); 7546 if (DEBUG_SHOW_INFO) { 7547 Log.v(TAG, " " 7548 + (p.info.nonLocalizedLabel != null 7549 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7550 Log.v(TAG, " Class=" + p.info.name); 7551 } 7552 final int NI = p.intents.size(); 7553 int j; 7554 for (j = 0; j < NI; j++) { 7555 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7556 if (DEBUG_SHOW_INFO) { 7557 Log.v(TAG, " IntentFilter:"); 7558 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7559 } 7560 if (!intent.debugCheck()) { 7561 Log.w(TAG, "==> For Provider " + p.info.name); 7562 } 7563 addFilter(intent); 7564 } 7565 } 7566 7567 public final void removeProvider(PackageParser.Provider p) { 7568 mProviders.remove(p.getComponentName()); 7569 if (DEBUG_SHOW_INFO) { 7570 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7571 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7572 Log.v(TAG, " Class=" + p.info.name); 7573 } 7574 final int NI = p.intents.size(); 7575 int j; 7576 for (j = 0; j < NI; j++) { 7577 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7578 if (DEBUG_SHOW_INFO) { 7579 Log.v(TAG, " IntentFilter:"); 7580 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7581 } 7582 removeFilter(intent); 7583 } 7584 } 7585 7586 @Override 7587 protected boolean allowFilterResult( 7588 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7589 ProviderInfo filterPi = filter.provider.info; 7590 for (int i = dest.size() - 1; i >= 0; i--) { 7591 ProviderInfo destPi = dest.get(i).providerInfo; 7592 if (destPi.name == filterPi.name 7593 && destPi.packageName == filterPi.packageName) { 7594 return false; 7595 } 7596 } 7597 return true; 7598 } 7599 7600 @Override 7601 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7602 return new PackageParser.ProviderIntentInfo[size]; 7603 } 7604 7605 @Override 7606 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7607 if (!sUserManager.exists(userId)) 7608 return true; 7609 PackageParser.Package p = filter.provider.owner; 7610 if (p != null) { 7611 PackageSetting ps = (PackageSetting) p.mExtras; 7612 if (ps != null) { 7613 // System apps are never considered stopped for purposes of 7614 // filtering, because there may be no way for the user to 7615 // actually re-launch them. 7616 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7617 && ps.getStopped(userId); 7618 } 7619 } 7620 return false; 7621 } 7622 7623 @Override 7624 protected boolean isPackageForFilter(String packageName, 7625 PackageParser.ProviderIntentInfo info) { 7626 return packageName.equals(info.provider.owner.packageName); 7627 } 7628 7629 @Override 7630 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7631 int match, int userId) { 7632 if (!sUserManager.exists(userId)) 7633 return null; 7634 final PackageParser.ProviderIntentInfo info = filter; 7635 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7636 return null; 7637 } 7638 final PackageParser.Provider provider = info.provider; 7639 if (mSafeMode && (provider.info.applicationInfo.flags 7640 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7641 return null; 7642 } 7643 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7644 if (ps == null) { 7645 return null; 7646 } 7647 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7648 ps.readUserState(userId), userId); 7649 if (pi == null) { 7650 return null; 7651 } 7652 final ResolveInfo res = new ResolveInfo(); 7653 res.providerInfo = pi; 7654 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7655 res.filter = filter; 7656 } 7657 res.priority = info.getPriority(); 7658 res.preferredOrder = provider.owner.mPreferredOrder; 7659 res.match = match; 7660 res.isDefault = info.hasDefault; 7661 res.labelRes = info.labelRes; 7662 res.nonLocalizedLabel = info.nonLocalizedLabel; 7663 res.icon = info.icon; 7664 res.system = res.providerInfo.applicationInfo.isSystemApp(); 7665 return res; 7666 } 7667 7668 @Override 7669 protected void sortResults(List<ResolveInfo> results) { 7670 Collections.sort(results, mResolvePrioritySorter); 7671 } 7672 7673 @Override 7674 protected void dumpFilter(PrintWriter out, String prefix, 7675 PackageParser.ProviderIntentInfo filter) { 7676 out.print(prefix); 7677 out.print( 7678 Integer.toHexString(System.identityHashCode(filter.provider))); 7679 out.print(' '); 7680 filter.provider.printComponentShortName(out); 7681 out.print(" filter "); 7682 out.println(Integer.toHexString(System.identityHashCode(filter))); 7683 } 7684 7685 @Override 7686 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7687 return filter.provider; 7688 } 7689 7690 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7691 PackageParser.Provider provider = (PackageParser.Provider)label; 7692 out.print(prefix); out.print( 7693 Integer.toHexString(System.identityHashCode(provider))); 7694 out.print(' '); 7695 provider.printComponentShortName(out); 7696 if (count > 1) { 7697 out.print(" ("); out.print(count); out.print(" filters)"); 7698 } 7699 out.println(); 7700 } 7701 7702 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7703 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7704 private int mFlags; 7705 }; 7706 7707 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7708 new Comparator<ResolveInfo>() { 7709 public int compare(ResolveInfo r1, ResolveInfo r2) { 7710 int v1 = r1.priority; 7711 int v2 = r2.priority; 7712 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7713 if (v1 != v2) { 7714 return (v1 > v2) ? -1 : 1; 7715 } 7716 v1 = r1.preferredOrder; 7717 v2 = r2.preferredOrder; 7718 if (v1 != v2) { 7719 return (v1 > v2) ? -1 : 1; 7720 } 7721 if (r1.isDefault != r2.isDefault) { 7722 return r1.isDefault ? -1 : 1; 7723 } 7724 v1 = r1.match; 7725 v2 = r2.match; 7726 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7727 if (v1 != v2) { 7728 return (v1 > v2) ? -1 : 1; 7729 } 7730 if (r1.system != r2.system) { 7731 return r1.system ? -1 : 1; 7732 } 7733 return 0; 7734 } 7735 }; 7736 7737 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7738 new Comparator<ProviderInfo>() { 7739 public int compare(ProviderInfo p1, ProviderInfo p2) { 7740 final int v1 = p1.initOrder; 7741 final int v2 = p2.initOrder; 7742 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7743 } 7744 }; 7745 7746 static final void sendPackageBroadcast(String action, String pkg, 7747 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7748 int[] userIds) { 7749 IActivityManager am = ActivityManagerNative.getDefault(); 7750 if (am != null) { 7751 try { 7752 if (userIds == null) { 7753 userIds = am.getRunningUserIds(); 7754 } 7755 for (int id : userIds) { 7756 final Intent intent = new Intent(action, 7757 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7758 if (extras != null) { 7759 intent.putExtras(extras); 7760 } 7761 if (targetPkg != null) { 7762 intent.setPackage(targetPkg); 7763 } 7764 // Modify the UID when posting to other users 7765 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7766 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7767 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7768 intent.putExtra(Intent.EXTRA_UID, uid); 7769 } 7770 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7771 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7772 if (DEBUG_BROADCASTS) { 7773 RuntimeException here = new RuntimeException("here"); 7774 here.fillInStackTrace(); 7775 Slog.d(TAG, "Sending to user " + id + ": " 7776 + intent.toShortString(false, true, false, false) 7777 + " " + intent.getExtras(), here); 7778 } 7779 am.broadcastIntent(null, intent, null, finishedReceiver, 7780 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7781 finishedReceiver != null, false, id); 7782 } 7783 } catch (RemoteException ex) { 7784 } 7785 } 7786 } 7787 7788 /** 7789 * Check if the external storage media is available. This is true if there 7790 * is a mounted external storage medium or if the external storage is 7791 * emulated. 7792 */ 7793 private boolean isExternalMediaAvailable() { 7794 return mMediaMounted || Environment.isExternalStorageEmulated(); 7795 } 7796 7797 @Override 7798 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7799 // writer 7800 synchronized (mPackages) { 7801 if (!isExternalMediaAvailable()) { 7802 // If the external storage is no longer mounted at this point, 7803 // the caller may not have been able to delete all of this 7804 // packages files and can not delete any more. Bail. 7805 return null; 7806 } 7807 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7808 if (lastPackage != null) { 7809 pkgs.remove(lastPackage); 7810 } 7811 if (pkgs.size() > 0) { 7812 return pkgs.get(0); 7813 } 7814 } 7815 return null; 7816 } 7817 7818 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7819 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7820 userId, andCode ? 1 : 0, packageName); 7821 if (mSystemReady) { 7822 msg.sendToTarget(); 7823 } else { 7824 if (mPostSystemReadyMessages == null) { 7825 mPostSystemReadyMessages = new ArrayList<>(); 7826 } 7827 mPostSystemReadyMessages.add(msg); 7828 } 7829 } 7830 7831 void startCleaningPackages() { 7832 // reader 7833 synchronized (mPackages) { 7834 if (!isExternalMediaAvailable()) { 7835 return; 7836 } 7837 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7838 return; 7839 } 7840 } 7841 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7842 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7843 IActivityManager am = ActivityManagerNative.getDefault(); 7844 if (am != null) { 7845 try { 7846 am.startService(null, intent, null, UserHandle.USER_OWNER); 7847 } catch (RemoteException e) { 7848 } 7849 } 7850 } 7851 7852 @Override 7853 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7854 int installFlags, String installerPackageName, VerificationParams verificationParams, 7855 String packageAbiOverride) { 7856 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7857 packageAbiOverride, UserHandle.getCallingUserId()); 7858 } 7859 7860 @Override 7861 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7862 int installFlags, String installerPackageName, VerificationParams verificationParams, 7863 String packageAbiOverride, int userId) { 7864 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7865 7866 final int callingUid = Binder.getCallingUid(); 7867 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7868 7869 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7870 try { 7871 if (observer != null) { 7872 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7873 } 7874 } catch (RemoteException re) { 7875 } 7876 return; 7877 } 7878 7879 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7880 installFlags |= PackageManager.INSTALL_FROM_ADB; 7881 7882 } else { 7883 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7884 // about installerPackageName. 7885 7886 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7887 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7888 } 7889 7890 UserHandle user; 7891 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7892 user = UserHandle.ALL; 7893 } else { 7894 user = new UserHandle(userId); 7895 } 7896 7897 verificationParams.setInstallerUid(callingUid); 7898 7899 final File originFile = new File(originPath); 7900 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7901 7902 final Message msg = mHandler.obtainMessage(INIT_COPY); 7903 msg.obj = new InstallParams(origin, observer, installFlags, 7904 installerPackageName, verificationParams, user, packageAbiOverride); 7905 mHandler.sendMessage(msg); 7906 } 7907 7908 void installStage(String packageName, File stagedDir, String stagedCid, 7909 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7910 String installerPackageName, int installerUid, UserHandle user) { 7911 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7912 params.referrerUri, installerUid, null); 7913 7914 final OriginInfo origin; 7915 if (stagedDir != null) { 7916 origin = OriginInfo.fromStagedFile(stagedDir); 7917 } else { 7918 origin = OriginInfo.fromStagedContainer(stagedCid); 7919 } 7920 7921 final Message msg = mHandler.obtainMessage(INIT_COPY); 7922 msg.obj = new InstallParams(origin, observer, params.installFlags, 7923 installerPackageName, verifParams, user, params.abiOverride); 7924 mHandler.sendMessage(msg); 7925 } 7926 7927 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7928 Bundle extras = new Bundle(1); 7929 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7930 7931 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7932 packageName, extras, null, null, new int[] {userId}); 7933 try { 7934 IActivityManager am = ActivityManagerNative.getDefault(); 7935 final boolean isSystem = 7936 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7937 if (isSystem && am.isUserRunning(userId, false)) { 7938 // The just-installed/enabled app is bundled on the system, so presumed 7939 // to be able to run automatically without needing an explicit launch. 7940 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7941 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7942 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7943 .setPackage(packageName); 7944 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7945 android.app.AppOpsManager.OP_NONE, false, false, userId); 7946 } 7947 } catch (RemoteException e) { 7948 // shouldn't happen 7949 Slog.w(TAG, "Unable to bootstrap installed package", e); 7950 } 7951 } 7952 7953 @Override 7954 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7955 int userId) { 7956 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7957 PackageSetting pkgSetting; 7958 final int uid = Binder.getCallingUid(); 7959 enforceCrossUserPermission(uid, userId, true, true, 7960 "setApplicationHiddenSetting for user " + userId); 7961 7962 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7963 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7964 return false; 7965 } 7966 7967 long callingId = Binder.clearCallingIdentity(); 7968 try { 7969 boolean sendAdded = false; 7970 boolean sendRemoved = false; 7971 // writer 7972 synchronized (mPackages) { 7973 pkgSetting = mSettings.mPackages.get(packageName); 7974 if (pkgSetting == null) { 7975 return false; 7976 } 7977 if (pkgSetting.getHidden(userId) != hidden) { 7978 pkgSetting.setHidden(hidden, userId); 7979 mSettings.writePackageRestrictionsLPr(userId); 7980 if (hidden) { 7981 sendRemoved = true; 7982 } else { 7983 sendAdded = true; 7984 } 7985 } 7986 } 7987 if (sendAdded) { 7988 sendPackageAddedForUser(packageName, pkgSetting, userId); 7989 return true; 7990 } 7991 if (sendRemoved) { 7992 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7993 "hiding pkg"); 7994 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7995 } 7996 } finally { 7997 Binder.restoreCallingIdentity(callingId); 7998 } 7999 return false; 8000 } 8001 8002 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8003 int userId) { 8004 final PackageRemovedInfo info = new PackageRemovedInfo(); 8005 info.removedPackage = packageName; 8006 info.removedUsers = new int[] {userId}; 8007 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8008 info.sendBroadcast(false, false, false); 8009 } 8010 8011 /** 8012 * Returns true if application is not found or there was an error. Otherwise it returns 8013 * the hidden state of the package for the given user. 8014 */ 8015 @Override 8016 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8017 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8018 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8019 false, "getApplicationHidden for user " + userId); 8020 PackageSetting pkgSetting; 8021 long callingId = Binder.clearCallingIdentity(); 8022 try { 8023 // writer 8024 synchronized (mPackages) { 8025 pkgSetting = mSettings.mPackages.get(packageName); 8026 if (pkgSetting == null) { 8027 return true; 8028 } 8029 return pkgSetting.getHidden(userId); 8030 } 8031 } finally { 8032 Binder.restoreCallingIdentity(callingId); 8033 } 8034 } 8035 8036 /** 8037 * @hide 8038 */ 8039 @Override 8040 public int installExistingPackageAsUser(String packageName, int userId) { 8041 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8042 null); 8043 PackageSetting pkgSetting; 8044 final int uid = Binder.getCallingUid(); 8045 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8046 + userId); 8047 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8048 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8049 } 8050 8051 long callingId = Binder.clearCallingIdentity(); 8052 try { 8053 boolean sendAdded = false; 8054 Bundle extras = new Bundle(1); 8055 8056 // writer 8057 synchronized (mPackages) { 8058 pkgSetting = mSettings.mPackages.get(packageName); 8059 if (pkgSetting == null) { 8060 return PackageManager.INSTALL_FAILED_INVALID_URI; 8061 } 8062 if (!pkgSetting.getInstalled(userId)) { 8063 pkgSetting.setInstalled(true, userId); 8064 pkgSetting.setHidden(false, userId); 8065 mSettings.writePackageRestrictionsLPr(userId); 8066 sendAdded = true; 8067 } 8068 } 8069 8070 if (sendAdded) { 8071 sendPackageAddedForUser(packageName, pkgSetting, userId); 8072 } 8073 } finally { 8074 Binder.restoreCallingIdentity(callingId); 8075 } 8076 8077 return PackageManager.INSTALL_SUCCEEDED; 8078 } 8079 8080 boolean isUserRestricted(int userId, String restrictionKey) { 8081 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8082 if (restrictions.getBoolean(restrictionKey, false)) { 8083 Log.w(TAG, "User is restricted: " + restrictionKey); 8084 return true; 8085 } 8086 return false; 8087 } 8088 8089 @Override 8090 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8091 mContext.enforceCallingOrSelfPermission( 8092 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8093 "Only package verification agents can verify applications"); 8094 8095 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8096 final PackageVerificationResponse response = new PackageVerificationResponse( 8097 verificationCode, Binder.getCallingUid()); 8098 msg.arg1 = id; 8099 msg.obj = response; 8100 mHandler.sendMessage(msg); 8101 } 8102 8103 @Override 8104 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8105 long millisecondsToDelay) { 8106 mContext.enforceCallingOrSelfPermission( 8107 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8108 "Only package verification agents can extend verification timeouts"); 8109 8110 final PackageVerificationState state = mPendingVerification.get(id); 8111 final PackageVerificationResponse response = new PackageVerificationResponse( 8112 verificationCodeAtTimeout, Binder.getCallingUid()); 8113 8114 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8115 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8116 } 8117 if (millisecondsToDelay < 0) { 8118 millisecondsToDelay = 0; 8119 } 8120 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8121 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8122 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8123 } 8124 8125 if ((state != null) && !state.timeoutExtended()) { 8126 state.extendTimeout(); 8127 8128 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8129 msg.arg1 = id; 8130 msg.obj = response; 8131 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8132 } 8133 } 8134 8135 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8136 int verificationCode, UserHandle user) { 8137 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8138 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8139 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8140 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8141 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8142 8143 mContext.sendBroadcastAsUser(intent, user, 8144 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8145 } 8146 8147 private ComponentName matchComponentForVerifier(String packageName, 8148 List<ResolveInfo> receivers) { 8149 ActivityInfo targetReceiver = null; 8150 8151 final int NR = receivers.size(); 8152 for (int i = 0; i < NR; i++) { 8153 final ResolveInfo info = receivers.get(i); 8154 if (info.activityInfo == null) { 8155 continue; 8156 } 8157 8158 if (packageName.equals(info.activityInfo.packageName)) { 8159 targetReceiver = info.activityInfo; 8160 break; 8161 } 8162 } 8163 8164 if (targetReceiver == null) { 8165 return null; 8166 } 8167 8168 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8169 } 8170 8171 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8172 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8173 if (pkgInfo.verifiers.length == 0) { 8174 return null; 8175 } 8176 8177 final int N = pkgInfo.verifiers.length; 8178 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8179 for (int i = 0; i < N; i++) { 8180 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8181 8182 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8183 receivers); 8184 if (comp == null) { 8185 continue; 8186 } 8187 8188 final int verifierUid = getUidForVerifier(verifierInfo); 8189 if (verifierUid == -1) { 8190 continue; 8191 } 8192 8193 if (DEBUG_VERIFY) { 8194 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8195 + " with the correct signature"); 8196 } 8197 sufficientVerifiers.add(comp); 8198 verificationState.addSufficientVerifier(verifierUid); 8199 } 8200 8201 return sufficientVerifiers; 8202 } 8203 8204 private int getUidForVerifier(VerifierInfo verifierInfo) { 8205 synchronized (mPackages) { 8206 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8207 if (pkg == null) { 8208 return -1; 8209 } else if (pkg.mSignatures.length != 1) { 8210 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8211 + " has more than one signature; ignoring"); 8212 return -1; 8213 } 8214 8215 /* 8216 * If the public key of the package's signature does not match 8217 * our expected public key, then this is a different package and 8218 * we should skip. 8219 */ 8220 8221 final byte[] expectedPublicKey; 8222 try { 8223 final Signature verifierSig = pkg.mSignatures[0]; 8224 final PublicKey publicKey = verifierSig.getPublicKey(); 8225 expectedPublicKey = publicKey.getEncoded(); 8226 } catch (CertificateException e) { 8227 return -1; 8228 } 8229 8230 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8231 8232 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8233 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8234 + " does not have the expected public key; ignoring"); 8235 return -1; 8236 } 8237 8238 return pkg.applicationInfo.uid; 8239 } 8240 } 8241 8242 @Override 8243 public void finishPackageInstall(int token) { 8244 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8245 8246 if (DEBUG_INSTALL) { 8247 Slog.v(TAG, "BM finishing package install for " + token); 8248 } 8249 8250 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8251 mHandler.sendMessage(msg); 8252 } 8253 8254 /** 8255 * Get the verification agent timeout. 8256 * 8257 * @return verification timeout in milliseconds 8258 */ 8259 private long getVerificationTimeout() { 8260 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8261 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8262 DEFAULT_VERIFICATION_TIMEOUT); 8263 } 8264 8265 /** 8266 * Get the default verification agent response code. 8267 * 8268 * @return default verification response code 8269 */ 8270 private int getDefaultVerificationResponse() { 8271 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8272 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8273 DEFAULT_VERIFICATION_RESPONSE); 8274 } 8275 8276 /** 8277 * Check whether or not package verification has been enabled. 8278 * 8279 * @return true if verification should be performed 8280 */ 8281 private boolean isVerificationEnabled(int userId, int installFlags) { 8282 if (!DEFAULT_VERIFY_ENABLE) { 8283 return false; 8284 } 8285 8286 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8287 8288 // Check if installing from ADB 8289 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8290 // Do not run verification in a test harness environment 8291 if (ActivityManager.isRunningInTestHarness()) { 8292 return false; 8293 } 8294 if (ensureVerifyAppsEnabled) { 8295 return true; 8296 } 8297 // Check if the developer does not want package verification for ADB installs 8298 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8299 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8300 return false; 8301 } 8302 } 8303 8304 if (ensureVerifyAppsEnabled) { 8305 return true; 8306 } 8307 8308 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8309 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8310 } 8311 8312 /** 8313 * Get the "allow unknown sources" setting. 8314 * 8315 * @return the current "allow unknown sources" setting 8316 */ 8317 private int getUnknownSourcesSettings() { 8318 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8319 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8320 -1); 8321 } 8322 8323 @Override 8324 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8325 final int uid = Binder.getCallingUid(); 8326 // writer 8327 synchronized (mPackages) { 8328 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8329 if (targetPackageSetting == null) { 8330 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8331 } 8332 8333 PackageSetting installerPackageSetting; 8334 if (installerPackageName != null) { 8335 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8336 if (installerPackageSetting == null) { 8337 throw new IllegalArgumentException("Unknown installer package: " 8338 + installerPackageName); 8339 } 8340 } else { 8341 installerPackageSetting = null; 8342 } 8343 8344 Signature[] callerSignature; 8345 Object obj = mSettings.getUserIdLPr(uid); 8346 if (obj != null) { 8347 if (obj instanceof SharedUserSetting) { 8348 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8349 } else if (obj instanceof PackageSetting) { 8350 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8351 } else { 8352 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8353 } 8354 } else { 8355 throw new SecurityException("Unknown calling uid " + uid); 8356 } 8357 8358 // Verify: can't set installerPackageName to a package that is 8359 // not signed with the same cert as the caller. 8360 if (installerPackageSetting != null) { 8361 if (compareSignatures(callerSignature, 8362 installerPackageSetting.signatures.mSignatures) 8363 != PackageManager.SIGNATURE_MATCH) { 8364 throw new SecurityException( 8365 "Caller does not have same cert as new installer package " 8366 + installerPackageName); 8367 } 8368 } 8369 8370 // Verify: if target already has an installer package, it must 8371 // be signed with the same cert as the caller. 8372 if (targetPackageSetting.installerPackageName != null) { 8373 PackageSetting setting = mSettings.mPackages.get( 8374 targetPackageSetting.installerPackageName); 8375 // If the currently set package isn't valid, then it's always 8376 // okay to change it. 8377 if (setting != null) { 8378 if (compareSignatures(callerSignature, 8379 setting.signatures.mSignatures) 8380 != PackageManager.SIGNATURE_MATCH) { 8381 throw new SecurityException( 8382 "Caller does not have same cert as old installer package " 8383 + targetPackageSetting.installerPackageName); 8384 } 8385 } 8386 } 8387 8388 // Okay! 8389 targetPackageSetting.installerPackageName = installerPackageName; 8390 scheduleWriteSettingsLocked(); 8391 } 8392 } 8393 8394 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8395 // Queue up an async operation since the package installation may take a little while. 8396 mHandler.post(new Runnable() { 8397 public void run() { 8398 mHandler.removeCallbacks(this); 8399 // Result object to be returned 8400 PackageInstalledInfo res = new PackageInstalledInfo(); 8401 res.returnCode = currentStatus; 8402 res.uid = -1; 8403 res.pkg = null; 8404 res.removedInfo = new PackageRemovedInfo(); 8405 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8406 args.doPreInstall(res.returnCode); 8407 synchronized (mInstallLock) { 8408 installPackageLI(args, res); 8409 } 8410 args.doPostInstall(res.returnCode, res.uid); 8411 } 8412 8413 // A restore should be performed at this point if (a) the install 8414 // succeeded, (b) the operation is not an update, and (c) the new 8415 // package has not opted out of backup participation. 8416 final boolean update = res.removedInfo.removedPackage != null; 8417 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8418 boolean doRestore = !update 8419 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8420 8421 // Set up the post-install work request bookkeeping. This will be used 8422 // and cleaned up by the post-install event handling regardless of whether 8423 // there's a restore pass performed. Token values are >= 1. 8424 int token; 8425 if (mNextInstallToken < 0) mNextInstallToken = 1; 8426 token = mNextInstallToken++; 8427 8428 PostInstallData data = new PostInstallData(args, res); 8429 mRunningInstalls.put(token, data); 8430 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8431 8432 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8433 // Pass responsibility to the Backup Manager. It will perform a 8434 // restore if appropriate, then pass responsibility back to the 8435 // Package Manager to run the post-install observer callbacks 8436 // and broadcasts. 8437 IBackupManager bm = IBackupManager.Stub.asInterface( 8438 ServiceManager.getService(Context.BACKUP_SERVICE)); 8439 if (bm != null) { 8440 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8441 + " to BM for possible restore"); 8442 try { 8443 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8444 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8445 } else { 8446 doRestore = false; 8447 } 8448 } catch (RemoteException e) { 8449 // can't happen; the backup manager is local 8450 } catch (Exception e) { 8451 Slog.e(TAG, "Exception trying to enqueue restore", e); 8452 doRestore = false; 8453 } 8454 } else { 8455 Slog.e(TAG, "Backup Manager not found!"); 8456 doRestore = false; 8457 } 8458 } 8459 8460 if (!doRestore) { 8461 // No restore possible, or the Backup Manager was mysteriously not 8462 // available -- just fire the post-install work request directly. 8463 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8464 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8465 mHandler.sendMessage(msg); 8466 } 8467 } 8468 }); 8469 } 8470 8471 private abstract class HandlerParams { 8472 private static final int MAX_RETRIES = 4; 8473 8474 /** 8475 * Number of times startCopy() has been attempted and had a non-fatal 8476 * error. 8477 */ 8478 private int mRetries = 0; 8479 8480 /** User handle for the user requesting the information or installation. */ 8481 private final UserHandle mUser; 8482 8483 HandlerParams(UserHandle user) { 8484 mUser = user; 8485 } 8486 8487 UserHandle getUser() { 8488 return mUser; 8489 } 8490 8491 final boolean startCopy() { 8492 boolean res; 8493 try { 8494 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8495 8496 if (++mRetries > MAX_RETRIES) { 8497 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8498 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8499 handleServiceError(); 8500 return false; 8501 } else { 8502 handleStartCopy(); 8503 res = true; 8504 } 8505 } catch (RemoteException e) { 8506 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8507 mHandler.sendEmptyMessage(MCS_RECONNECT); 8508 res = false; 8509 } 8510 handleReturnCode(); 8511 return res; 8512 } 8513 8514 final void serviceError() { 8515 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8516 handleServiceError(); 8517 handleReturnCode(); 8518 } 8519 8520 abstract void handleStartCopy() throws RemoteException; 8521 abstract void handleServiceError(); 8522 abstract void handleReturnCode(); 8523 } 8524 8525 class MeasureParams extends HandlerParams { 8526 private final PackageStats mStats; 8527 private boolean mSuccess; 8528 8529 private final IPackageStatsObserver mObserver; 8530 8531 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8532 super(new UserHandle(stats.userHandle)); 8533 mObserver = observer; 8534 mStats = stats; 8535 } 8536 8537 @Override 8538 public String toString() { 8539 return "MeasureParams{" 8540 + Integer.toHexString(System.identityHashCode(this)) 8541 + " " + mStats.packageName + "}"; 8542 } 8543 8544 @Override 8545 void handleStartCopy() throws RemoteException { 8546 synchronized (mInstallLock) { 8547 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8548 } 8549 8550 if (mSuccess) { 8551 final boolean mounted; 8552 if (Environment.isExternalStorageEmulated()) { 8553 mounted = true; 8554 } else { 8555 final String status = Environment.getExternalStorageState(); 8556 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8557 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8558 } 8559 8560 if (mounted) { 8561 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8562 8563 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8564 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8565 8566 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8567 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8568 8569 // Always subtract cache size, since it's a subdirectory 8570 mStats.externalDataSize -= mStats.externalCacheSize; 8571 8572 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8573 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8574 8575 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8576 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8577 } 8578 } 8579 } 8580 8581 @Override 8582 void handleReturnCode() { 8583 if (mObserver != null) { 8584 try { 8585 mObserver.onGetStatsCompleted(mStats, mSuccess); 8586 } catch (RemoteException e) { 8587 Slog.i(TAG, "Observer no longer exists."); 8588 } 8589 } 8590 } 8591 8592 @Override 8593 void handleServiceError() { 8594 Slog.e(TAG, "Could not measure application " + mStats.packageName 8595 + " external storage"); 8596 } 8597 } 8598 8599 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8600 throws RemoteException { 8601 long result = 0; 8602 for (File path : paths) { 8603 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8604 } 8605 return result; 8606 } 8607 8608 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8609 for (File path : paths) { 8610 try { 8611 mcs.clearDirectory(path.getAbsolutePath()); 8612 } catch (RemoteException e) { 8613 } 8614 } 8615 } 8616 8617 static class OriginInfo { 8618 /** 8619 * Location where install is coming from, before it has been 8620 * copied/renamed into place. This could be a single monolithic APK 8621 * file, or a cluster directory. This location may be untrusted. 8622 */ 8623 final File file; 8624 final String cid; 8625 8626 /** 8627 * Flag indicating that {@link #file} or {@link #cid} has already been 8628 * staged, meaning downstream users don't need to defensively copy the 8629 * contents. 8630 */ 8631 final boolean staged; 8632 8633 /** 8634 * Flag indicating that {@link #file} or {@link #cid} is an already 8635 * installed app that is being moved. 8636 */ 8637 final boolean existing; 8638 8639 final String resolvedPath; 8640 final File resolvedFile; 8641 8642 static OriginInfo fromNothing() { 8643 return new OriginInfo(null, null, false, false); 8644 } 8645 8646 static OriginInfo fromUntrustedFile(File file) { 8647 return new OriginInfo(file, null, false, false); 8648 } 8649 8650 static OriginInfo fromExistingFile(File file) { 8651 return new OriginInfo(file, null, false, true); 8652 } 8653 8654 static OriginInfo fromStagedFile(File file) { 8655 return new OriginInfo(file, null, true, false); 8656 } 8657 8658 static OriginInfo fromStagedContainer(String cid) { 8659 return new OriginInfo(null, cid, true, false); 8660 } 8661 8662 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8663 this.file = file; 8664 this.cid = cid; 8665 this.staged = staged; 8666 this.existing = existing; 8667 8668 if (cid != null) { 8669 resolvedPath = PackageHelper.getSdDir(cid); 8670 resolvedFile = new File(resolvedPath); 8671 } else if (file != null) { 8672 resolvedPath = file.getAbsolutePath(); 8673 resolvedFile = file; 8674 } else { 8675 resolvedPath = null; 8676 resolvedFile = null; 8677 } 8678 } 8679 } 8680 8681 class InstallParams extends HandlerParams { 8682 final OriginInfo origin; 8683 final IPackageInstallObserver2 observer; 8684 int installFlags; 8685 final String installerPackageName; 8686 final VerificationParams verificationParams; 8687 private InstallArgs mArgs; 8688 private int mRet; 8689 final String packageAbiOverride; 8690 8691 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8692 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8693 String packageAbiOverride) { 8694 super(user); 8695 this.origin = origin; 8696 this.observer = observer; 8697 this.installFlags = installFlags; 8698 this.installerPackageName = installerPackageName; 8699 this.verificationParams = verificationParams; 8700 this.packageAbiOverride = packageAbiOverride; 8701 } 8702 8703 @Override 8704 public String toString() { 8705 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8706 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8707 } 8708 8709 public ManifestDigest getManifestDigest() { 8710 if (verificationParams == null) { 8711 return null; 8712 } 8713 return verificationParams.getManifestDigest(); 8714 } 8715 8716 private int installLocationPolicy(PackageInfoLite pkgLite) { 8717 String packageName = pkgLite.packageName; 8718 int installLocation = pkgLite.installLocation; 8719 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8720 // reader 8721 synchronized (mPackages) { 8722 PackageParser.Package pkg = mPackages.get(packageName); 8723 if (pkg != null) { 8724 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8725 // Check for downgrading. 8726 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8727 try { 8728 checkDowngrade(pkg, pkgLite); 8729 } catch (PackageManagerException e) { 8730 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8731 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8732 } 8733 } 8734 // Check for updated system application. 8735 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8736 if (onSd) { 8737 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8738 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8739 } 8740 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8741 } else { 8742 if (onSd) { 8743 // Install flag overrides everything. 8744 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8745 } 8746 // If current upgrade specifies particular preference 8747 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8748 // Application explicitly specified internal. 8749 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8750 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8751 // App explictly prefers external. Let policy decide 8752 } else { 8753 // Prefer previous location 8754 if (isExternal(pkg)) { 8755 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8756 } 8757 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8758 } 8759 } 8760 } else { 8761 // Invalid install. Return error code 8762 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8763 } 8764 } 8765 } 8766 // All the special cases have been taken care of. 8767 // Return result based on recommended install location. 8768 if (onSd) { 8769 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8770 } 8771 return pkgLite.recommendedInstallLocation; 8772 } 8773 8774 /* 8775 * Invoke remote method to get package information and install 8776 * location values. Override install location based on default 8777 * policy if needed and then create install arguments based 8778 * on the install location. 8779 */ 8780 public void handleStartCopy() throws RemoteException { 8781 int ret = PackageManager.INSTALL_SUCCEEDED; 8782 8783 // If we're already staged, we've firmly committed to an install location 8784 if (origin.staged) { 8785 if (origin.file != null) { 8786 installFlags |= PackageManager.INSTALL_INTERNAL; 8787 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8788 } else if (origin.cid != null) { 8789 installFlags |= PackageManager.INSTALL_EXTERNAL; 8790 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8791 } else { 8792 throw new IllegalStateException("Invalid stage location"); 8793 } 8794 } 8795 8796 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8797 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8798 8799 PackageInfoLite pkgLite = null; 8800 8801 if (onInt && onSd) { 8802 // Check if both bits are set. 8803 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8804 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8805 } else { 8806 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8807 packageAbiOverride); 8808 8809 /* 8810 * If we have too little free space, try to free cache 8811 * before giving up. 8812 */ 8813 if (!origin.staged && pkgLite.recommendedInstallLocation 8814 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8815 // TODO: focus freeing disk space on the target device 8816 final StorageManager storage = StorageManager.from(mContext); 8817 final long lowThreshold = storage.getStorageLowBytes( 8818 Environment.getDataDirectory()); 8819 8820 final long sizeBytes = mContainerService.calculateInstalledSize( 8821 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8822 8823 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8824 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8825 installFlags, packageAbiOverride); 8826 } 8827 8828 /* 8829 * The cache free must have deleted the file we 8830 * downloaded to install. 8831 * 8832 * TODO: fix the "freeCache" call to not delete 8833 * the file we care about. 8834 */ 8835 if (pkgLite.recommendedInstallLocation 8836 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8837 pkgLite.recommendedInstallLocation 8838 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8839 } 8840 } 8841 } 8842 8843 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8844 int loc = pkgLite.recommendedInstallLocation; 8845 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8846 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8847 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8848 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8849 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8850 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8851 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8852 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8853 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8854 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8855 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8856 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8857 } else { 8858 // Override with defaults if needed. 8859 loc = installLocationPolicy(pkgLite); 8860 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8861 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8862 } else if (!onSd && !onInt) { 8863 // Override install location with flags 8864 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8865 // Set the flag to install on external media. 8866 installFlags |= PackageManager.INSTALL_EXTERNAL; 8867 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8868 } else { 8869 // Make sure the flag for installing on external 8870 // media is unset 8871 installFlags |= PackageManager.INSTALL_INTERNAL; 8872 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8873 } 8874 } 8875 } 8876 } 8877 8878 final InstallArgs args = createInstallArgs(this); 8879 mArgs = args; 8880 8881 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8882 /* 8883 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8884 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8885 */ 8886 int userIdentifier = getUser().getIdentifier(); 8887 if (userIdentifier == UserHandle.USER_ALL 8888 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8889 userIdentifier = UserHandle.USER_OWNER; 8890 } 8891 8892 /* 8893 * Determine if we have any installed package verifiers. If we 8894 * do, then we'll defer to them to verify the packages. 8895 */ 8896 final int requiredUid = mRequiredVerifierPackage == null ? -1 8897 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8898 if (!origin.existing && requiredUid != -1 8899 && isVerificationEnabled(userIdentifier, installFlags)) { 8900 final Intent verification = new Intent( 8901 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8902 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 8903 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8904 PACKAGE_MIME_TYPE); 8905 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8906 8907 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8908 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8909 0 /* TODO: Which userId? */); 8910 8911 if (DEBUG_VERIFY) { 8912 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8913 + verification.toString() + " with " + pkgLite.verifiers.length 8914 + " optional verifiers"); 8915 } 8916 8917 final int verificationId = mPendingVerificationToken++; 8918 8919 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8920 8921 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8922 installerPackageName); 8923 8924 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8925 installFlags); 8926 8927 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8928 pkgLite.packageName); 8929 8930 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8931 pkgLite.versionCode); 8932 8933 if (verificationParams != null) { 8934 if (verificationParams.getVerificationURI() != null) { 8935 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8936 verificationParams.getVerificationURI()); 8937 } 8938 if (verificationParams.getOriginatingURI() != null) { 8939 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8940 verificationParams.getOriginatingURI()); 8941 } 8942 if (verificationParams.getReferrer() != null) { 8943 verification.putExtra(Intent.EXTRA_REFERRER, 8944 verificationParams.getReferrer()); 8945 } 8946 if (verificationParams.getOriginatingUid() >= 0) { 8947 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8948 verificationParams.getOriginatingUid()); 8949 } 8950 if (verificationParams.getInstallerUid() >= 0) { 8951 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8952 verificationParams.getInstallerUid()); 8953 } 8954 } 8955 8956 final PackageVerificationState verificationState = new PackageVerificationState( 8957 requiredUid, args); 8958 8959 mPendingVerification.append(verificationId, verificationState); 8960 8961 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8962 receivers, verificationState); 8963 8964 /* 8965 * If any sufficient verifiers were listed in the package 8966 * manifest, attempt to ask them. 8967 */ 8968 if (sufficientVerifiers != null) { 8969 final int N = sufficientVerifiers.size(); 8970 if (N == 0) { 8971 Slog.i(TAG, "Additional verifiers required, but none installed."); 8972 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8973 } else { 8974 for (int i = 0; i < N; i++) { 8975 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8976 8977 final Intent sufficientIntent = new Intent(verification); 8978 sufficientIntent.setComponent(verifierComponent); 8979 8980 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8981 } 8982 } 8983 } 8984 8985 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8986 mRequiredVerifierPackage, receivers); 8987 if (ret == PackageManager.INSTALL_SUCCEEDED 8988 && mRequiredVerifierPackage != null) { 8989 /* 8990 * Send the intent to the required verification agent, 8991 * but only start the verification timeout after the 8992 * target BroadcastReceivers have run. 8993 */ 8994 verification.setComponent(requiredVerifierComponent); 8995 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8996 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8997 new BroadcastReceiver() { 8998 @Override 8999 public void onReceive(Context context, Intent intent) { 9000 final Message msg = mHandler 9001 .obtainMessage(CHECK_PENDING_VERIFICATION); 9002 msg.arg1 = verificationId; 9003 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9004 } 9005 }, null, 0, null, null); 9006 9007 /* 9008 * We don't want the copy to proceed until verification 9009 * succeeds, so null out this field. 9010 */ 9011 mArgs = null; 9012 } 9013 } else { 9014 /* 9015 * No package verification is enabled, so immediately start 9016 * the remote call to initiate copy using temporary file. 9017 */ 9018 ret = args.copyApk(mContainerService, true); 9019 } 9020 } 9021 9022 mRet = ret; 9023 } 9024 9025 @Override 9026 void handleReturnCode() { 9027 // If mArgs is null, then MCS couldn't be reached. When it 9028 // reconnects, it will try again to install. At that point, this 9029 // will succeed. 9030 if (mArgs != null) { 9031 processPendingInstall(mArgs, mRet); 9032 } 9033 } 9034 9035 @Override 9036 void handleServiceError() { 9037 mArgs = createInstallArgs(this); 9038 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9039 } 9040 9041 public boolean isForwardLocked() { 9042 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9043 } 9044 } 9045 9046 /** 9047 * Used during creation of InstallArgs 9048 * 9049 * @param installFlags package installation flags 9050 * @return true if should be installed on external storage 9051 */ 9052 private static boolean installOnSd(int installFlags) { 9053 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9054 return false; 9055 } 9056 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9057 return true; 9058 } 9059 return false; 9060 } 9061 9062 /** 9063 * Used during creation of InstallArgs 9064 * 9065 * @param installFlags package installation flags 9066 * @return true if should be installed as forward locked 9067 */ 9068 private static boolean installForwardLocked(int installFlags) { 9069 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9070 } 9071 9072 private InstallArgs createInstallArgs(InstallParams params) { 9073 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9074 return new AsecInstallArgs(params); 9075 } else { 9076 return new FileInstallArgs(params); 9077 } 9078 } 9079 9080 /** 9081 * Create args that describe an existing installed package. Typically used 9082 * when cleaning up old installs, or used as a move source. 9083 */ 9084 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9085 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9086 final boolean isInAsec; 9087 if (installOnSd(installFlags)) { 9088 /* Apps on SD card are always in ASEC containers. */ 9089 isInAsec = true; 9090 } else if (installForwardLocked(installFlags) 9091 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9092 /* 9093 * Forward-locked apps are only in ASEC containers if they're the 9094 * new style 9095 */ 9096 isInAsec = true; 9097 } else { 9098 isInAsec = false; 9099 } 9100 9101 if (isInAsec) { 9102 return new AsecInstallArgs(codePath, instructionSets, 9103 installOnSd(installFlags), installForwardLocked(installFlags)); 9104 } else { 9105 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9106 instructionSets); 9107 } 9108 } 9109 9110 static abstract class InstallArgs { 9111 /** @see InstallParams#origin */ 9112 final OriginInfo origin; 9113 9114 final IPackageInstallObserver2 observer; 9115 // Always refers to PackageManager flags only 9116 final int installFlags; 9117 final String installerPackageName; 9118 final ManifestDigest manifestDigest; 9119 final UserHandle user; 9120 final String abiOverride; 9121 9122 // The list of instruction sets supported by this app. This is currently 9123 // only used during the rmdex() phase to clean up resources. We can get rid of this 9124 // if we move dex files under the common app path. 9125 /* nullable */ String[] instructionSets; 9126 9127 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9128 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9129 String[] instructionSets, String abiOverride) { 9130 this.origin = origin; 9131 this.installFlags = installFlags; 9132 this.observer = observer; 9133 this.installerPackageName = installerPackageName; 9134 this.manifestDigest = manifestDigest; 9135 this.user = user; 9136 this.instructionSets = instructionSets; 9137 this.abiOverride = abiOverride; 9138 } 9139 9140 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9141 abstract int doPreInstall(int status); 9142 9143 /** 9144 * Rename package into final resting place. All paths on the given 9145 * scanned package should be updated to reflect the rename. 9146 */ 9147 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9148 abstract int doPostInstall(int status, int uid); 9149 9150 /** @see PackageSettingBase#codePathString */ 9151 abstract String getCodePath(); 9152 /** @see PackageSettingBase#resourcePathString */ 9153 abstract String getResourcePath(); 9154 abstract String getLegacyNativeLibraryPath(); 9155 9156 // Need installer lock especially for dex file removal. 9157 abstract void cleanUpResourcesLI(); 9158 abstract boolean doPostDeleteLI(boolean delete); 9159 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9160 9161 /** 9162 * Called before the source arguments are copied. This is used mostly 9163 * for MoveParams when it needs to read the source file to put it in the 9164 * destination. 9165 */ 9166 int doPreCopy() { 9167 return PackageManager.INSTALL_SUCCEEDED; 9168 } 9169 9170 /** 9171 * Called after the source arguments are copied. This is used mostly for 9172 * MoveParams when it needs to read the source file to put it in the 9173 * destination. 9174 * 9175 * @return 9176 */ 9177 int doPostCopy(int uid) { 9178 return PackageManager.INSTALL_SUCCEEDED; 9179 } 9180 9181 protected boolean isFwdLocked() { 9182 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9183 } 9184 9185 protected boolean isExternal() { 9186 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9187 } 9188 9189 UserHandle getUser() { 9190 return user; 9191 } 9192 } 9193 9194 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9195 if (!allCodePaths.isEmpty()) { 9196 if (instructionSets == null) { 9197 throw new IllegalStateException("instructionSet == null"); 9198 } 9199 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9200 for (String codePath : allCodePaths) { 9201 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9202 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9203 if (retCode < 0) { 9204 Slog.w(TAG, "Couldn't remove dex file for package: " 9205 + " at location " + codePath + ", retcode=" + retCode); 9206 // we don't consider this to be a failure of the core package deletion 9207 } 9208 } 9209 } 9210 } 9211 } 9212 9213 /** 9214 * Logic to handle installation of non-ASEC applications, including copying 9215 * and renaming logic. 9216 */ 9217 class FileInstallArgs extends InstallArgs { 9218 private File codeFile; 9219 private File resourceFile; 9220 private File legacyNativeLibraryPath; 9221 9222 // Example topology: 9223 // /data/app/com.example/base.apk 9224 // /data/app/com.example/split_foo.apk 9225 // /data/app/com.example/lib/arm/libfoo.so 9226 // /data/app/com.example/lib/arm64/libfoo.so 9227 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9228 9229 /** New install */ 9230 FileInstallArgs(InstallParams params) { 9231 super(params.origin, params.observer, params.installFlags, 9232 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9233 null /* instruction sets */, params.packageAbiOverride); 9234 if (isFwdLocked()) { 9235 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9236 } 9237 } 9238 9239 /** Existing install */ 9240 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9241 String[] instructionSets) { 9242 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9243 this.codeFile = (codePath != null) ? new File(codePath) : null; 9244 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9245 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9246 new File(legacyNativeLibraryPath) : null; 9247 } 9248 9249 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9250 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9251 isFwdLocked(), abiOverride); 9252 9253 final StorageManager storage = StorageManager.from(mContext); 9254 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9255 } 9256 9257 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9258 if (origin.staged) { 9259 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9260 codeFile = origin.file; 9261 resourceFile = origin.file; 9262 return PackageManager.INSTALL_SUCCEEDED; 9263 } 9264 9265 try { 9266 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9267 codeFile = tempDir; 9268 resourceFile = tempDir; 9269 } catch (IOException e) { 9270 Slog.w(TAG, "Failed to create copy file: " + e); 9271 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9272 } 9273 9274 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9275 @Override 9276 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9277 if (!FileUtils.isValidExtFilename(name)) { 9278 throw new IllegalArgumentException("Invalid filename: " + name); 9279 } 9280 try { 9281 final File file = new File(codeFile, name); 9282 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9283 O_RDWR | O_CREAT, 0644); 9284 Os.chmod(file.getAbsolutePath(), 0644); 9285 return new ParcelFileDescriptor(fd); 9286 } catch (ErrnoException e) { 9287 throw new RemoteException("Failed to open: " + e.getMessage()); 9288 } 9289 } 9290 }; 9291 9292 int ret = PackageManager.INSTALL_SUCCEEDED; 9293 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9294 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9295 Slog.e(TAG, "Failed to copy package"); 9296 return ret; 9297 } 9298 9299 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9300 NativeLibraryHelper.Handle handle = null; 9301 try { 9302 handle = NativeLibraryHelper.Handle.create(codeFile); 9303 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9304 abiOverride); 9305 } catch (IOException e) { 9306 Slog.e(TAG, "Copying native libraries failed", e); 9307 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9308 } finally { 9309 IoUtils.closeQuietly(handle); 9310 } 9311 9312 return ret; 9313 } 9314 9315 int doPreInstall(int status) { 9316 if (status != PackageManager.INSTALL_SUCCEEDED) { 9317 cleanUp(); 9318 } 9319 return status; 9320 } 9321 9322 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9323 if (status != PackageManager.INSTALL_SUCCEEDED) { 9324 cleanUp(); 9325 return false; 9326 } else { 9327 final File beforeCodeFile = codeFile; 9328 final File afterCodeFile = getNextCodePath(pkg.packageName); 9329 9330 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9331 try { 9332 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9333 } catch (ErrnoException e) { 9334 Slog.d(TAG, "Failed to rename", e); 9335 return false; 9336 } 9337 9338 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9339 Slog.d(TAG, "Failed to restorecon"); 9340 return false; 9341 } 9342 9343 // Reflect the rename internally 9344 codeFile = afterCodeFile; 9345 resourceFile = afterCodeFile; 9346 9347 // Reflect the rename in scanned details 9348 pkg.codePath = afterCodeFile.getAbsolutePath(); 9349 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9350 pkg.baseCodePath); 9351 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9352 pkg.splitCodePaths); 9353 9354 // Reflect the rename in app info 9355 pkg.applicationInfo.setCodePath(pkg.codePath); 9356 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9357 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9358 pkg.applicationInfo.setResourcePath(pkg.codePath); 9359 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9360 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9361 9362 return true; 9363 } 9364 } 9365 9366 int doPostInstall(int status, int uid) { 9367 if (status != PackageManager.INSTALL_SUCCEEDED) { 9368 cleanUp(); 9369 } 9370 return status; 9371 } 9372 9373 @Override 9374 String getCodePath() { 9375 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9376 } 9377 9378 @Override 9379 String getResourcePath() { 9380 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9381 } 9382 9383 @Override 9384 String getLegacyNativeLibraryPath() { 9385 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9386 } 9387 9388 private boolean cleanUp() { 9389 if (codeFile == null || !codeFile.exists()) { 9390 return false; 9391 } 9392 9393 if (codeFile.isDirectory()) { 9394 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 9395 } else { 9396 codeFile.delete(); 9397 } 9398 9399 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9400 resourceFile.delete(); 9401 } 9402 9403 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9404 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9405 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9406 } 9407 legacyNativeLibraryPath.delete(); 9408 } 9409 9410 return true; 9411 } 9412 9413 void cleanUpResourcesLI() { 9414 // Try enumerating all code paths before deleting 9415 List<String> allCodePaths = Collections.EMPTY_LIST; 9416 if (codeFile != null && codeFile.exists()) { 9417 try { 9418 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9419 allCodePaths = pkg.getAllCodePaths(); 9420 } catch (PackageParserException e) { 9421 // Ignored; we tried our best 9422 } 9423 } 9424 9425 cleanUp(); 9426 removeDexFiles(allCodePaths, instructionSets); 9427 } 9428 9429 boolean doPostDeleteLI(boolean delete) { 9430 // XXX err, shouldn't we respect the delete flag? 9431 cleanUpResourcesLI(); 9432 return true; 9433 } 9434 } 9435 9436 private boolean isAsecExternal(String cid) { 9437 final String asecPath = PackageHelper.getSdFilesystem(cid); 9438 return !asecPath.startsWith(mAsecInternalPath); 9439 } 9440 9441 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9442 PackageManagerException { 9443 if (copyRet < 0) { 9444 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9445 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9446 throw new PackageManagerException(copyRet, message); 9447 } 9448 } 9449 } 9450 9451 /** 9452 * Extract the MountService "container ID" from the full code path of an 9453 * .apk. 9454 */ 9455 static String cidFromCodePath(String fullCodePath) { 9456 int eidx = fullCodePath.lastIndexOf("/"); 9457 String subStr1 = fullCodePath.substring(0, eidx); 9458 int sidx = subStr1.lastIndexOf("/"); 9459 return subStr1.substring(sidx+1, eidx); 9460 } 9461 9462 /** 9463 * Logic to handle installation of ASEC applications, including copying and 9464 * renaming logic. 9465 */ 9466 class AsecInstallArgs extends InstallArgs { 9467 static final String RES_FILE_NAME = "pkg.apk"; 9468 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9469 9470 String cid; 9471 String packagePath; 9472 String resourcePath; 9473 String legacyNativeLibraryDir; 9474 9475 /** New install */ 9476 AsecInstallArgs(InstallParams params) { 9477 super(params.origin, params.observer, params.installFlags, 9478 params.installerPackageName, params.getManifestDigest(), 9479 params.getUser(), null /* instruction sets */, 9480 params.packageAbiOverride); 9481 } 9482 9483 /** Existing install */ 9484 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9485 boolean isExternal, boolean isForwardLocked) { 9486 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9487 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9488 instructionSets, null); 9489 // Hackily pretend we're still looking at a full code path 9490 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9491 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9492 } 9493 9494 // Extract cid from fullCodePath 9495 int eidx = fullCodePath.lastIndexOf("/"); 9496 String subStr1 = fullCodePath.substring(0, eidx); 9497 int sidx = subStr1.lastIndexOf("/"); 9498 cid = subStr1.substring(sidx+1, eidx); 9499 setMountPath(subStr1); 9500 } 9501 9502 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9503 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9504 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9505 instructionSets, null); 9506 this.cid = cid; 9507 setMountPath(PackageHelper.getSdDir(cid)); 9508 } 9509 9510 void createCopyFile() { 9511 cid = mInstallerService.allocateExternalStageCidLegacy(); 9512 } 9513 9514 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9515 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9516 abiOverride); 9517 9518 final File target; 9519 if (isExternal()) { 9520 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9521 } else { 9522 target = Environment.getDataDirectory(); 9523 } 9524 9525 final StorageManager storage = StorageManager.from(mContext); 9526 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9527 } 9528 9529 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9530 if (origin.staged) { 9531 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9532 cid = origin.cid; 9533 setMountPath(PackageHelper.getSdDir(cid)); 9534 return PackageManager.INSTALL_SUCCEEDED; 9535 } 9536 9537 if (temp) { 9538 createCopyFile(); 9539 } else { 9540 /* 9541 * Pre-emptively destroy the container since it's destroyed if 9542 * copying fails due to it existing anyway. 9543 */ 9544 PackageHelper.destroySdDir(cid); 9545 } 9546 9547 final String newMountPath = imcs.copyPackageToContainer( 9548 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9549 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9550 9551 if (newMountPath != null) { 9552 setMountPath(newMountPath); 9553 return PackageManager.INSTALL_SUCCEEDED; 9554 } else { 9555 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9556 } 9557 } 9558 9559 @Override 9560 String getCodePath() { 9561 return packagePath; 9562 } 9563 9564 @Override 9565 String getResourcePath() { 9566 return resourcePath; 9567 } 9568 9569 @Override 9570 String getLegacyNativeLibraryPath() { 9571 return legacyNativeLibraryDir; 9572 } 9573 9574 int doPreInstall(int status) { 9575 if (status != PackageManager.INSTALL_SUCCEEDED) { 9576 // Destroy container 9577 PackageHelper.destroySdDir(cid); 9578 } else { 9579 boolean mounted = PackageHelper.isContainerMounted(cid); 9580 if (!mounted) { 9581 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9582 Process.SYSTEM_UID); 9583 if (newMountPath != null) { 9584 setMountPath(newMountPath); 9585 } else { 9586 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9587 } 9588 } 9589 } 9590 return status; 9591 } 9592 9593 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9594 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9595 String newMountPath = null; 9596 if (PackageHelper.isContainerMounted(cid)) { 9597 // Unmount the container 9598 if (!PackageHelper.unMountSdDir(cid)) { 9599 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9600 return false; 9601 } 9602 } 9603 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9604 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9605 " which might be stale. Will try to clean up."); 9606 // Clean up the stale container and proceed to recreate. 9607 if (!PackageHelper.destroySdDir(newCacheId)) { 9608 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9609 return false; 9610 } 9611 // Successfully cleaned up stale container. Try to rename again. 9612 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9613 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9614 + " inspite of cleaning it up."); 9615 return false; 9616 } 9617 } 9618 if (!PackageHelper.isContainerMounted(newCacheId)) { 9619 Slog.w(TAG, "Mounting container " + newCacheId); 9620 newMountPath = PackageHelper.mountSdDir(newCacheId, 9621 getEncryptKey(), Process.SYSTEM_UID); 9622 } else { 9623 newMountPath = PackageHelper.getSdDir(newCacheId); 9624 } 9625 if (newMountPath == null) { 9626 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9627 return false; 9628 } 9629 Log.i(TAG, "Succesfully renamed " + cid + 9630 " to " + newCacheId + 9631 " at new path: " + newMountPath); 9632 cid = newCacheId; 9633 9634 final File beforeCodeFile = new File(packagePath); 9635 setMountPath(newMountPath); 9636 final File afterCodeFile = new File(packagePath); 9637 9638 // Reflect the rename in scanned details 9639 pkg.codePath = afterCodeFile.getAbsolutePath(); 9640 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9641 pkg.baseCodePath); 9642 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9643 pkg.splitCodePaths); 9644 9645 // Reflect the rename in app info 9646 pkg.applicationInfo.setCodePath(pkg.codePath); 9647 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9648 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9649 pkg.applicationInfo.setResourcePath(pkg.codePath); 9650 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9651 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9652 9653 return true; 9654 } 9655 9656 private void setMountPath(String mountPath) { 9657 final File mountFile = new File(mountPath); 9658 9659 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9660 if (monolithicFile.exists()) { 9661 packagePath = monolithicFile.getAbsolutePath(); 9662 if (isFwdLocked()) { 9663 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9664 } else { 9665 resourcePath = packagePath; 9666 } 9667 } else { 9668 packagePath = mountFile.getAbsolutePath(); 9669 resourcePath = packagePath; 9670 } 9671 9672 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9673 } 9674 9675 int doPostInstall(int status, int uid) { 9676 if (status != PackageManager.INSTALL_SUCCEEDED) { 9677 cleanUp(); 9678 } else { 9679 final int groupOwner; 9680 final String protectedFile; 9681 if (isFwdLocked()) { 9682 groupOwner = UserHandle.getSharedAppGid(uid); 9683 protectedFile = RES_FILE_NAME; 9684 } else { 9685 groupOwner = -1; 9686 protectedFile = null; 9687 } 9688 9689 if (uid < Process.FIRST_APPLICATION_UID 9690 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9691 Slog.e(TAG, "Failed to finalize " + cid); 9692 PackageHelper.destroySdDir(cid); 9693 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9694 } 9695 9696 boolean mounted = PackageHelper.isContainerMounted(cid); 9697 if (!mounted) { 9698 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9699 } 9700 } 9701 return status; 9702 } 9703 9704 private void cleanUp() { 9705 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9706 9707 // Destroy secure container 9708 PackageHelper.destroySdDir(cid); 9709 } 9710 9711 private List<String> getAllCodePaths() { 9712 final File codeFile = new File(getCodePath()); 9713 if (codeFile != null && codeFile.exists()) { 9714 try { 9715 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9716 return pkg.getAllCodePaths(); 9717 } catch (PackageParserException e) { 9718 // Ignored; we tried our best 9719 } 9720 } 9721 return Collections.EMPTY_LIST; 9722 } 9723 9724 void cleanUpResourcesLI() { 9725 // Enumerate all code paths before deleting 9726 cleanUpResourcesLI(getAllCodePaths()); 9727 } 9728 9729 private void cleanUpResourcesLI(List<String> allCodePaths) { 9730 cleanUp(); 9731 removeDexFiles(allCodePaths, instructionSets); 9732 } 9733 9734 9735 9736 String getPackageName() { 9737 return getAsecPackageName(cid); 9738 } 9739 9740 boolean doPostDeleteLI(boolean delete) { 9741 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9742 final List<String> allCodePaths = getAllCodePaths(); 9743 boolean mounted = PackageHelper.isContainerMounted(cid); 9744 if (mounted) { 9745 // Unmount first 9746 if (PackageHelper.unMountSdDir(cid)) { 9747 mounted = false; 9748 } 9749 } 9750 if (!mounted && delete) { 9751 cleanUpResourcesLI(allCodePaths); 9752 } 9753 return !mounted; 9754 } 9755 9756 @Override 9757 int doPreCopy() { 9758 if (isFwdLocked()) { 9759 if (!PackageHelper.fixSdPermissions(cid, 9760 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9761 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9762 } 9763 } 9764 9765 return PackageManager.INSTALL_SUCCEEDED; 9766 } 9767 9768 @Override 9769 int doPostCopy(int uid) { 9770 if (isFwdLocked()) { 9771 if (uid < Process.FIRST_APPLICATION_UID 9772 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9773 RES_FILE_NAME)) { 9774 Slog.e(TAG, "Failed to finalize " + cid); 9775 PackageHelper.destroySdDir(cid); 9776 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9777 } 9778 } 9779 9780 return PackageManager.INSTALL_SUCCEEDED; 9781 } 9782 } 9783 9784 static String getAsecPackageName(String packageCid) { 9785 int idx = packageCid.lastIndexOf("-"); 9786 if (idx == -1) { 9787 return packageCid; 9788 } 9789 return packageCid.substring(0, idx); 9790 } 9791 9792 // Utility method used to create code paths based on package name and available index. 9793 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9794 String idxStr = ""; 9795 int idx = 1; 9796 // Fall back to default value of idx=1 if prefix is not 9797 // part of oldCodePath 9798 if (oldCodePath != null) { 9799 String subStr = oldCodePath; 9800 // Drop the suffix right away 9801 if (suffix != null && subStr.endsWith(suffix)) { 9802 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9803 } 9804 // If oldCodePath already contains prefix find out the 9805 // ending index to either increment or decrement. 9806 int sidx = subStr.lastIndexOf(prefix); 9807 if (sidx != -1) { 9808 subStr = subStr.substring(sidx + prefix.length()); 9809 if (subStr != null) { 9810 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9811 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9812 } 9813 try { 9814 idx = Integer.parseInt(subStr); 9815 if (idx <= 1) { 9816 idx++; 9817 } else { 9818 idx--; 9819 } 9820 } catch(NumberFormatException e) { 9821 } 9822 } 9823 } 9824 } 9825 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9826 return prefix + idxStr; 9827 } 9828 9829 private File getNextCodePath(String packageName) { 9830 int suffix = 1; 9831 File result; 9832 do { 9833 result = new File(mAppInstallDir, packageName + "-" + suffix); 9834 suffix++; 9835 } while (result.exists()); 9836 return result; 9837 } 9838 9839 // Utility method that returns the relative package path with respect 9840 // to the installation directory. Like say for /data/data/com.test-1.apk 9841 // string com.test-1 is returned. 9842 static String deriveCodePathName(String codePath) { 9843 if (codePath == null) { 9844 return null; 9845 } 9846 final File codeFile = new File(codePath); 9847 final String name = codeFile.getName(); 9848 if (codeFile.isDirectory()) { 9849 return name; 9850 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9851 final int lastDot = name.lastIndexOf('.'); 9852 return name.substring(0, lastDot); 9853 } else { 9854 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9855 return null; 9856 } 9857 } 9858 9859 class PackageInstalledInfo { 9860 String name; 9861 int uid; 9862 // The set of users that originally had this package installed. 9863 int[] origUsers; 9864 // The set of users that now have this package installed. 9865 int[] newUsers; 9866 PackageParser.Package pkg; 9867 int returnCode; 9868 String returnMsg; 9869 PackageRemovedInfo removedInfo; 9870 9871 public void setError(int code, String msg) { 9872 returnCode = code; 9873 returnMsg = msg; 9874 Slog.w(TAG, msg); 9875 } 9876 9877 public void setError(String msg, PackageParserException e) { 9878 returnCode = e.error; 9879 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9880 Slog.w(TAG, msg, e); 9881 } 9882 9883 public void setError(String msg, PackageManagerException e) { 9884 returnCode = e.error; 9885 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9886 Slog.w(TAG, msg, e); 9887 } 9888 9889 // In some error cases we want to convey more info back to the observer 9890 String origPackage; 9891 String origPermission; 9892 } 9893 9894 /* 9895 * Install a non-existing package. 9896 */ 9897 private void installNewPackageLI(PackageParser.Package pkg, 9898 int parseFlags, int scanFlags, UserHandle user, 9899 String installerPackageName, PackageInstalledInfo res) { 9900 // Remember this for later, in case we need to rollback this install 9901 String pkgName = pkg.packageName; 9902 9903 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9904 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9905 synchronized(mPackages) { 9906 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9907 // A package with the same name is already installed, though 9908 // it has been renamed to an older name. The package we 9909 // are trying to install should be installed as an update to 9910 // the existing one, but that has not been requested, so bail. 9911 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9912 + " without first uninstalling package running as " 9913 + mSettings.mRenamedPackages.get(pkgName)); 9914 return; 9915 } 9916 if (mPackages.containsKey(pkgName)) { 9917 // Don't allow installation over an existing package with the same name. 9918 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9919 + " without first uninstalling."); 9920 return; 9921 } 9922 } 9923 9924 try { 9925 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9926 System.currentTimeMillis(), user); 9927 9928 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9929 // delete the partially installed application. the data directory will have to be 9930 // restored if it was already existing 9931 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9932 // remove package from internal structures. Note that we want deletePackageX to 9933 // delete the package data and cache directories that it created in 9934 // scanPackageLocked, unless those directories existed before we even tried to 9935 // install. 9936 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9937 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9938 res.removedInfo, true); 9939 } 9940 9941 } catch (PackageManagerException e) { 9942 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9943 } 9944 } 9945 9946 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9947 // Upgrade keysets are being used. Determine if new package has a superset of the 9948 // required keys. 9949 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9950 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9951 for (int i = 0; i < upgradeKeySets.length; i++) { 9952 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9953 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9954 return true; 9955 } 9956 } 9957 return false; 9958 } 9959 9960 private void replacePackageLI(PackageParser.Package pkg, 9961 int parseFlags, int scanFlags, UserHandle user, 9962 String installerPackageName, PackageInstalledInfo res) { 9963 PackageParser.Package oldPackage; 9964 String pkgName = pkg.packageName; 9965 int[] allUsers; 9966 boolean[] perUserInstalled; 9967 9968 // First find the old package info and check signatures 9969 synchronized(mPackages) { 9970 oldPackage = mPackages.get(pkgName); 9971 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9972 PackageSetting ps = mSettings.mPackages.get(pkgName); 9973 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9974 // default to original signature matching 9975 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9976 != PackageManager.SIGNATURE_MATCH) { 9977 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9978 "New package has a different signature: " + pkgName); 9979 return; 9980 } 9981 } else { 9982 if(!checkUpgradeKeySetLP(ps, pkg)) { 9983 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9984 "New package not signed by keys specified by upgrade-keysets: " 9985 + pkgName); 9986 return; 9987 } 9988 } 9989 9990 // In case of rollback, remember per-user/profile install state 9991 allUsers = sUserManager.getUserIds(); 9992 perUserInstalled = new boolean[allUsers.length]; 9993 for (int i = 0; i < allUsers.length; i++) { 9994 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9995 } 9996 } 9997 9998 boolean sysPkg = (isSystemApp(oldPackage)); 9999 if (sysPkg) { 10000 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10001 user, allUsers, perUserInstalled, installerPackageName, res); 10002 } else { 10003 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10004 user, allUsers, perUserInstalled, installerPackageName, res); 10005 } 10006 } 10007 10008 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10009 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10010 int[] allUsers, boolean[] perUserInstalled, 10011 String installerPackageName, PackageInstalledInfo res) { 10012 String pkgName = deletedPackage.packageName; 10013 boolean deletedPkg = true; 10014 boolean updatedSettings = false; 10015 10016 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10017 + deletedPackage); 10018 long origUpdateTime; 10019 if (pkg.mExtras != null) { 10020 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10021 } else { 10022 origUpdateTime = 0; 10023 } 10024 10025 // First delete the existing package while retaining the data directory 10026 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10027 res.removedInfo, true)) { 10028 // If the existing package wasn't successfully deleted 10029 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10030 deletedPkg = false; 10031 } else { 10032 // Successfully deleted the old package; proceed with replace. 10033 10034 // If deleted package lived in a container, give users a chance to 10035 // relinquish resources before killing. 10036 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10037 if (DEBUG_INSTALL) { 10038 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10039 } 10040 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10041 final ArrayList<String> pkgList = new ArrayList<String>(1); 10042 pkgList.add(deletedPackage.applicationInfo.packageName); 10043 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10044 } 10045 10046 deleteCodeCacheDirsLI(pkgName); 10047 try { 10048 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10049 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10050 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10051 updatedSettings = true; 10052 } catch (PackageManagerException e) { 10053 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10054 } 10055 } 10056 10057 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10058 // remove package from internal structures. Note that we want deletePackageX to 10059 // delete the package data and cache directories that it created in 10060 // scanPackageLocked, unless those directories existed before we even tried to 10061 // install. 10062 if(updatedSettings) { 10063 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10064 deletePackageLI( 10065 pkgName, null, true, allUsers, perUserInstalled, 10066 PackageManager.DELETE_KEEP_DATA, 10067 res.removedInfo, true); 10068 } 10069 // Since we failed to install the new package we need to restore the old 10070 // package that we deleted. 10071 if (deletedPkg) { 10072 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10073 File restoreFile = new File(deletedPackage.codePath); 10074 // Parse old package 10075 boolean oldOnSd = isExternal(deletedPackage); 10076 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10077 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10078 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10079 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10080 try { 10081 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10082 } catch (PackageManagerException e) { 10083 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10084 + e.getMessage()); 10085 return; 10086 } 10087 // Restore of old package succeeded. Update permissions. 10088 // writer 10089 synchronized (mPackages) { 10090 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10091 UPDATE_PERMISSIONS_ALL); 10092 // can downgrade to reader 10093 mSettings.writeLPr(); 10094 } 10095 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10096 } 10097 } 10098 } 10099 10100 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10101 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10102 int[] allUsers, boolean[] perUserInstalled, 10103 String installerPackageName, PackageInstalledInfo res) { 10104 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10105 + ", old=" + deletedPackage); 10106 boolean disabledSystem = false; 10107 boolean updatedSettings = false; 10108 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10109 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10110 != 0) { 10111 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10112 } 10113 String packageName = deletedPackage.packageName; 10114 if (packageName == null) { 10115 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10116 "Attempt to delete null packageName."); 10117 return; 10118 } 10119 PackageParser.Package oldPkg; 10120 PackageSetting oldPkgSetting; 10121 // reader 10122 synchronized (mPackages) { 10123 oldPkg = mPackages.get(packageName); 10124 oldPkgSetting = mSettings.mPackages.get(packageName); 10125 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10126 (oldPkgSetting == null)) { 10127 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10128 "Couldn't find package:" + packageName + " information"); 10129 return; 10130 } 10131 } 10132 10133 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10134 10135 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10136 res.removedInfo.removedPackage = packageName; 10137 // Remove existing system package 10138 removePackageLI(oldPkgSetting, true); 10139 // writer 10140 synchronized (mPackages) { 10141 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10142 if (!disabledSystem && deletedPackage != null) { 10143 // We didn't need to disable the .apk as a current system package, 10144 // which means we are replacing another update that is already 10145 // installed. We need to make sure to delete the older one's .apk. 10146 res.removedInfo.args = createInstallArgsForExisting(0, 10147 deletedPackage.applicationInfo.getCodePath(), 10148 deletedPackage.applicationInfo.getResourcePath(), 10149 deletedPackage.applicationInfo.nativeLibraryRootDir, 10150 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10151 } else { 10152 res.removedInfo.args = null; 10153 } 10154 } 10155 10156 // Successfully disabled the old package. Now proceed with re-installation 10157 deleteCodeCacheDirsLI(packageName); 10158 10159 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10160 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10161 10162 PackageParser.Package newPackage = null; 10163 try { 10164 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10165 if (newPackage.mExtras != null) { 10166 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10167 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10168 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10169 10170 // is the update attempting to change shared user? that isn't going to work... 10171 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10172 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10173 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10174 + " to " + newPkgSetting.sharedUser); 10175 updatedSettings = true; 10176 } 10177 } 10178 10179 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10180 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10181 updatedSettings = true; 10182 } 10183 10184 } catch (PackageManagerException e) { 10185 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10186 } 10187 10188 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10189 // Re installation failed. Restore old information 10190 // Remove new pkg information 10191 if (newPackage != null) { 10192 removeInstalledPackageLI(newPackage, true); 10193 } 10194 // Add back the old system package 10195 try { 10196 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10197 } catch (PackageManagerException e) { 10198 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10199 } 10200 // Restore the old system information in Settings 10201 synchronized (mPackages) { 10202 if (disabledSystem) { 10203 mSettings.enableSystemPackageLPw(packageName); 10204 } 10205 if (updatedSettings) { 10206 mSettings.setInstallerPackageName(packageName, 10207 oldPkgSetting.installerPackageName); 10208 } 10209 mSettings.writeLPr(); 10210 } 10211 } 10212 } 10213 10214 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10215 int[] allUsers, boolean[] perUserInstalled, 10216 PackageInstalledInfo res) { 10217 String pkgName = newPackage.packageName; 10218 synchronized (mPackages) { 10219 //write settings. the installStatus will be incomplete at this stage. 10220 //note that the new package setting would have already been 10221 //added to mPackages. It hasn't been persisted yet. 10222 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10223 mSettings.writeLPr(); 10224 } 10225 10226 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10227 10228 synchronized (mPackages) { 10229 updatePermissionsLPw(newPackage.packageName, newPackage, 10230 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10231 ? UPDATE_PERMISSIONS_ALL : 0)); 10232 // For system-bundled packages, we assume that installing an upgraded version 10233 // of the package implies that the user actually wants to run that new code, 10234 // so we enable the package. 10235 if (isSystemApp(newPackage)) { 10236 // NB: implicit assumption that system package upgrades apply to all users 10237 if (DEBUG_INSTALL) { 10238 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10239 } 10240 PackageSetting ps = mSettings.mPackages.get(pkgName); 10241 if (ps != null) { 10242 if (res.origUsers != null) { 10243 for (int userHandle : res.origUsers) { 10244 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10245 userHandle, installerPackageName); 10246 } 10247 } 10248 // Also convey the prior install/uninstall state 10249 if (allUsers != null && perUserInstalled != null) { 10250 for (int i = 0; i < allUsers.length; i++) { 10251 if (DEBUG_INSTALL) { 10252 Slog.d(TAG, " user " + allUsers[i] 10253 + " => " + perUserInstalled[i]); 10254 } 10255 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10256 } 10257 // these install state changes will be persisted in the 10258 // upcoming call to mSettings.writeLPr(). 10259 } 10260 } 10261 } 10262 res.name = pkgName; 10263 res.uid = newPackage.applicationInfo.uid; 10264 res.pkg = newPackage; 10265 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10266 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10267 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10268 //to update install status 10269 mSettings.writeLPr(); 10270 } 10271 } 10272 10273 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10274 final int installFlags = args.installFlags; 10275 String installerPackageName = args.installerPackageName; 10276 File tmpPackageFile = new File(args.getCodePath()); 10277 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10278 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10279 boolean replace = false; 10280 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10281 // Result object to be returned 10282 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10283 10284 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10285 // Retrieve PackageSettings and parse package 10286 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10287 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10288 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10289 PackageParser pp = new PackageParser(); 10290 pp.setSeparateProcesses(mSeparateProcesses); 10291 pp.setDisplayMetrics(mMetrics); 10292 10293 final PackageParser.Package pkg; 10294 try { 10295 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10296 } catch (PackageParserException e) { 10297 res.setError("Failed parse during installPackageLI", e); 10298 return; 10299 } 10300 10301 // Mark that we have an install time CPU ABI override. 10302 pkg.cpuAbiOverride = args.abiOverride; 10303 10304 String pkgName = res.name = pkg.packageName; 10305 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10306 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10307 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10308 return; 10309 } 10310 } 10311 10312 try { 10313 pp.collectCertificates(pkg, parseFlags); 10314 pp.collectManifestDigest(pkg); 10315 } catch (PackageParserException e) { 10316 res.setError("Failed collect during installPackageLI", e); 10317 return; 10318 } 10319 10320 /* If the installer passed in a manifest digest, compare it now. */ 10321 if (args.manifestDigest != null) { 10322 if (DEBUG_INSTALL) { 10323 final String parsedManifest = pkg.manifestDigest == null ? "null" 10324 : pkg.manifestDigest.toString(); 10325 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10326 + parsedManifest); 10327 } 10328 10329 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10330 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10331 return; 10332 } 10333 } else if (DEBUG_INSTALL) { 10334 final String parsedManifest = pkg.manifestDigest == null 10335 ? "null" : pkg.manifestDigest.toString(); 10336 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10337 } 10338 10339 // Get rid of all references to package scan path via parser. 10340 pp = null; 10341 String oldCodePath = null; 10342 boolean systemApp = false; 10343 synchronized (mPackages) { 10344 // Check if installing already existing package 10345 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10346 String oldName = mSettings.mRenamedPackages.get(pkgName); 10347 if (pkg.mOriginalPackages != null 10348 && pkg.mOriginalPackages.contains(oldName) 10349 && mPackages.containsKey(oldName)) { 10350 // This package is derived from an original package, 10351 // and this device has been updating from that original 10352 // name. We must continue using the original name, so 10353 // rename the new package here. 10354 pkg.setPackageName(oldName); 10355 pkgName = pkg.packageName; 10356 replace = true; 10357 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10358 + oldName + " pkgName=" + pkgName); 10359 } else if (mPackages.containsKey(pkgName)) { 10360 // This package, under its official name, already exists 10361 // on the device; we should replace it. 10362 replace = true; 10363 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10364 } 10365 } 10366 10367 PackageSetting ps = mSettings.mPackages.get(pkgName); 10368 if (ps != null) { 10369 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10370 10371 // Quick sanity check that we're signed correctly if updating; 10372 // we'll check this again later when scanning, but we want to 10373 // bail early here before tripping over redefined permissions. 10374 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10375 try { 10376 verifySignaturesLP(ps, pkg); 10377 } catch (PackageManagerException e) { 10378 res.setError(e.error, e.getMessage()); 10379 return; 10380 } 10381 } else { 10382 if (!checkUpgradeKeySetLP(ps, pkg)) { 10383 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10384 + pkg.packageName + " upgrade keys do not match the " 10385 + "previously installed version"); 10386 return; 10387 } 10388 } 10389 10390 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10391 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10392 systemApp = (ps.pkg.applicationInfo.flags & 10393 ApplicationInfo.FLAG_SYSTEM) != 0; 10394 } 10395 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10396 } 10397 10398 // Check whether the newly-scanned package wants to define an already-defined perm 10399 int N = pkg.permissions.size(); 10400 for (int i = N-1; i >= 0; i--) { 10401 PackageParser.Permission perm = pkg.permissions.get(i); 10402 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10403 if (bp != null) { 10404 // If the defining package is signed with our cert, it's okay. This 10405 // also includes the "updating the same package" case, of course. 10406 // "updating same package" could also involve key-rotation. 10407 final boolean sigsOk; 10408 if (!bp.sourcePackage.equals(pkg.packageName) 10409 || !(bp.packageSetting instanceof PackageSetting) 10410 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10411 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10412 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10413 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10414 } else { 10415 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10416 } 10417 if (!sigsOk) { 10418 // If the owning package is the system itself, we log but allow 10419 // install to proceed; we fail the install on all other permission 10420 // redefinitions. 10421 if (!bp.sourcePackage.equals("android")) { 10422 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10423 + pkg.packageName + " attempting to redeclare permission " 10424 + perm.info.name + " already owned by " + bp.sourcePackage); 10425 res.origPermission = perm.info.name; 10426 res.origPackage = bp.sourcePackage; 10427 return; 10428 } else { 10429 Slog.w(TAG, "Package " + pkg.packageName 10430 + " attempting to redeclare system permission " 10431 + perm.info.name + "; ignoring new declaration"); 10432 pkg.permissions.remove(i); 10433 } 10434 } 10435 } 10436 } 10437 10438 } 10439 10440 if (systemApp && onSd) { 10441 // Disable updates to system apps on sdcard 10442 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10443 "Cannot install updates to system apps on sdcard"); 10444 return; 10445 } 10446 10447 // Run dexopt before old package gets removed, to minimize time when app is not available 10448 int result = mPackageDexOptimizer 10449 .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */, 10450 false /* defer */, false /* inclDependencies */); 10451 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 10452 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 10453 return; 10454 } 10455 10456 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10457 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10458 return; 10459 } 10460 10461 // Call with SCAN_NO_DEX, since dexopt has already been made 10462 if (replace) { 10463 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING | SCAN_NO_DEX, args.user, 10464 installerPackageName, res); 10465 } else { 10466 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES 10467 | SCAN_NO_DEX, args.user, installerPackageName, res); 10468 } 10469 synchronized (mPackages) { 10470 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10471 if (ps != null) { 10472 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10473 } 10474 } 10475 } 10476 10477 private static boolean isMultiArch(PackageSetting ps) { 10478 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10479 } 10480 10481 private static boolean isMultiArch(ApplicationInfo info) { 10482 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10483 } 10484 10485 private static boolean isExternal(PackageParser.Package pkg) { 10486 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10487 } 10488 10489 private static boolean isExternal(PackageSetting ps) { 10490 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10491 } 10492 10493 private static boolean isExternal(ApplicationInfo info) { 10494 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10495 } 10496 10497 private static boolean isSystemApp(PackageParser.Package pkg) { 10498 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10499 } 10500 10501 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10502 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10503 } 10504 10505 private static boolean isSystemApp(PackageSetting ps) { 10506 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10507 } 10508 10509 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10510 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10511 } 10512 10513 private int packageFlagsToInstallFlags(PackageSetting ps) { 10514 int installFlags = 0; 10515 if (isExternal(ps)) { 10516 installFlags |= PackageManager.INSTALL_EXTERNAL; 10517 } 10518 if (ps.isForwardLocked()) { 10519 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10520 } 10521 return installFlags; 10522 } 10523 10524 private void deleteTempPackageFiles() { 10525 final FilenameFilter filter = new FilenameFilter() { 10526 public boolean accept(File dir, String name) { 10527 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10528 } 10529 }; 10530 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10531 file.delete(); 10532 } 10533 } 10534 10535 @Override 10536 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10537 int flags) { 10538 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10539 flags); 10540 } 10541 10542 @Override 10543 public void deletePackage(final String packageName, 10544 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10545 mContext.enforceCallingOrSelfPermission( 10546 android.Manifest.permission.DELETE_PACKAGES, null); 10547 final int uid = Binder.getCallingUid(); 10548 if (UserHandle.getUserId(uid) != userId) { 10549 mContext.enforceCallingPermission( 10550 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10551 "deletePackage for user " + userId); 10552 } 10553 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10554 try { 10555 observer.onPackageDeleted(packageName, 10556 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10557 } catch (RemoteException re) { 10558 } 10559 return; 10560 } 10561 10562 boolean uninstallBlocked = false; 10563 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10564 int[] users = sUserManager.getUserIds(); 10565 for (int i = 0; i < users.length; ++i) { 10566 if (getBlockUninstallForUser(packageName, users[i])) { 10567 uninstallBlocked = true; 10568 break; 10569 } 10570 } 10571 } else { 10572 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10573 } 10574 if (uninstallBlocked) { 10575 try { 10576 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10577 null); 10578 } catch (RemoteException re) { 10579 } 10580 return; 10581 } 10582 10583 if (DEBUG_REMOVE) { 10584 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10585 } 10586 // Queue up an async operation since the package deletion may take a little while. 10587 mHandler.post(new Runnable() { 10588 public void run() { 10589 mHandler.removeCallbacks(this); 10590 final int returnCode = deletePackageX(packageName, userId, flags); 10591 if (observer != null) { 10592 try { 10593 observer.onPackageDeleted(packageName, returnCode, null); 10594 } catch (RemoteException e) { 10595 Log.i(TAG, "Observer no longer exists."); 10596 } //end catch 10597 } //end if 10598 } //end run 10599 }); 10600 } 10601 10602 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10603 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10604 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10605 try { 10606 if (dpm != null) { 10607 if (dpm.isDeviceOwner(packageName)) { 10608 return true; 10609 } 10610 int[] users; 10611 if (userId == UserHandle.USER_ALL) { 10612 users = sUserManager.getUserIds(); 10613 } else { 10614 users = new int[]{userId}; 10615 } 10616 for (int i = 0; i < users.length; ++i) { 10617 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10618 return true; 10619 } 10620 } 10621 } 10622 } catch (RemoteException e) { 10623 } 10624 return false; 10625 } 10626 10627 /** 10628 * This method is an internal method that could be get invoked either 10629 * to delete an installed package or to clean up a failed installation. 10630 * After deleting an installed package, a broadcast is sent to notify any 10631 * listeners that the package has been installed. For cleaning up a failed 10632 * installation, the broadcast is not necessary since the package's 10633 * installation wouldn't have sent the initial broadcast either 10634 * The key steps in deleting a package are 10635 * deleting the package information in internal structures like mPackages, 10636 * deleting the packages base directories through installd 10637 * updating mSettings to reflect current status 10638 * persisting settings for later use 10639 * sending a broadcast if necessary 10640 */ 10641 private int deletePackageX(String packageName, int userId, int flags) { 10642 final PackageRemovedInfo info = new PackageRemovedInfo(); 10643 final boolean res; 10644 10645 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10646 ? UserHandle.ALL : new UserHandle(userId); 10647 10648 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10649 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10650 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10651 } 10652 10653 boolean removedForAllUsers = false; 10654 boolean systemUpdate = false; 10655 10656 // for the uninstall-updates case and restricted profiles, remember the per- 10657 // userhandle installed state 10658 int[] allUsers; 10659 boolean[] perUserInstalled; 10660 synchronized (mPackages) { 10661 PackageSetting ps = mSettings.mPackages.get(packageName); 10662 allUsers = sUserManager.getUserIds(); 10663 perUserInstalled = new boolean[allUsers.length]; 10664 for (int i = 0; i < allUsers.length; i++) { 10665 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10666 } 10667 } 10668 10669 synchronized (mInstallLock) { 10670 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10671 res = deletePackageLI(packageName, removeForUser, 10672 true, allUsers, perUserInstalled, 10673 flags | REMOVE_CHATTY, info, true); 10674 systemUpdate = info.isRemovedPackageSystemUpdate; 10675 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10676 removedForAllUsers = true; 10677 } 10678 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10679 + " removedForAllUsers=" + removedForAllUsers); 10680 } 10681 10682 if (res) { 10683 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10684 10685 // If the removed package was a system update, the old system package 10686 // was re-enabled; we need to broadcast this information 10687 if (systemUpdate) { 10688 Bundle extras = new Bundle(1); 10689 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10690 ? info.removedAppId : info.uid); 10691 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10692 10693 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10694 extras, null, null, null); 10695 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10696 extras, null, null, null); 10697 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10698 null, packageName, null, null); 10699 } 10700 } 10701 // Force a gc here. 10702 Runtime.getRuntime().gc(); 10703 // Delete the resources here after sending the broadcast to let 10704 // other processes clean up before deleting resources. 10705 if (info.args != null) { 10706 synchronized (mInstallLock) { 10707 info.args.doPostDeleteLI(true); 10708 } 10709 } 10710 10711 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10712 } 10713 10714 static class PackageRemovedInfo { 10715 String removedPackage; 10716 int uid = -1; 10717 int removedAppId = -1; 10718 int[] removedUsers = null; 10719 boolean isRemovedPackageSystemUpdate = false; 10720 // Clean up resources deleted packages. 10721 InstallArgs args = null; 10722 10723 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10724 Bundle extras = new Bundle(1); 10725 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10726 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10727 if (replacing) { 10728 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10729 } 10730 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10731 if (removedPackage != null) { 10732 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10733 extras, null, null, removedUsers); 10734 if (fullRemove && !replacing) { 10735 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10736 extras, null, null, removedUsers); 10737 } 10738 } 10739 if (removedAppId >= 0) { 10740 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10741 removedUsers); 10742 } 10743 } 10744 } 10745 10746 /* 10747 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10748 * flag is not set, the data directory is removed as well. 10749 * make sure this flag is set for partially installed apps. If not its meaningless to 10750 * delete a partially installed application. 10751 */ 10752 private void removePackageDataLI(PackageSetting ps, 10753 int[] allUserHandles, boolean[] perUserInstalled, 10754 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10755 String packageName = ps.name; 10756 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10757 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10758 // Retrieve object to delete permissions for shared user later on 10759 final PackageSetting deletedPs; 10760 // reader 10761 synchronized (mPackages) { 10762 deletedPs = mSettings.mPackages.get(packageName); 10763 if (outInfo != null) { 10764 outInfo.removedPackage = packageName; 10765 outInfo.removedUsers = deletedPs != null 10766 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10767 : null; 10768 } 10769 } 10770 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10771 removeDataDirsLI(packageName); 10772 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10773 } 10774 // writer 10775 synchronized (mPackages) { 10776 if (deletedPs != null) { 10777 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10778 if (outInfo != null) { 10779 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10780 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10781 } 10782 if (deletedPs != null) { 10783 updatePermissionsLPw(deletedPs.name, null, 0); 10784 if (deletedPs.sharedUser != null) { 10785 // remove permissions associated with package 10786 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10787 } 10788 } 10789 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10790 } 10791 // make sure to preserve per-user disabled state if this removal was just 10792 // a downgrade of a system app to the factory package 10793 if (allUserHandles != null && perUserInstalled != null) { 10794 if (DEBUG_REMOVE) { 10795 Slog.d(TAG, "Propagating install state across downgrade"); 10796 } 10797 for (int i = 0; i < allUserHandles.length; i++) { 10798 if (DEBUG_REMOVE) { 10799 Slog.d(TAG, " user " + allUserHandles[i] 10800 + " => " + perUserInstalled[i]); 10801 } 10802 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10803 } 10804 } 10805 } 10806 // can downgrade to reader 10807 if (writeSettings) { 10808 // Save settings now 10809 mSettings.writeLPr(); 10810 } 10811 } 10812 if (outInfo != null) { 10813 // A user ID was deleted here. Go through all users and remove it 10814 // from KeyStore. 10815 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10816 } 10817 } 10818 10819 static boolean locationIsPrivileged(File path) { 10820 try { 10821 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10822 .getCanonicalPath(); 10823 return path.getCanonicalPath().startsWith(privilegedAppDir); 10824 } catch (IOException e) { 10825 Slog.e(TAG, "Unable to access code path " + path); 10826 } 10827 return false; 10828 } 10829 10830 /* 10831 * Tries to delete system package. 10832 */ 10833 private boolean deleteSystemPackageLI(PackageSetting newPs, 10834 int[] allUserHandles, boolean[] perUserInstalled, 10835 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10836 final boolean applyUserRestrictions 10837 = (allUserHandles != null) && (perUserInstalled != null); 10838 PackageSetting disabledPs = null; 10839 // Confirm if the system package has been updated 10840 // An updated system app can be deleted. This will also have to restore 10841 // the system pkg from system partition 10842 // reader 10843 synchronized (mPackages) { 10844 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10845 } 10846 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10847 + " disabledPs=" + disabledPs); 10848 if (disabledPs == null) { 10849 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10850 return false; 10851 } else if (DEBUG_REMOVE) { 10852 Slog.d(TAG, "Deleting system pkg from data partition"); 10853 } 10854 if (DEBUG_REMOVE) { 10855 if (applyUserRestrictions) { 10856 Slog.d(TAG, "Remembering install states:"); 10857 for (int i = 0; i < allUserHandles.length; i++) { 10858 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10859 } 10860 } 10861 } 10862 // Delete the updated package 10863 outInfo.isRemovedPackageSystemUpdate = true; 10864 if (disabledPs.versionCode < newPs.versionCode) { 10865 // Delete data for downgrades 10866 flags &= ~PackageManager.DELETE_KEEP_DATA; 10867 } else { 10868 // Preserve data by setting flag 10869 flags |= PackageManager.DELETE_KEEP_DATA; 10870 } 10871 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10872 allUserHandles, perUserInstalled, outInfo, writeSettings); 10873 if (!ret) { 10874 return false; 10875 } 10876 // writer 10877 synchronized (mPackages) { 10878 // Reinstate the old system package 10879 mSettings.enableSystemPackageLPw(newPs.name); 10880 // Remove any native libraries from the upgraded package. 10881 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10882 } 10883 // Install the system package 10884 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10885 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10886 if (locationIsPrivileged(disabledPs.codePath)) { 10887 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10888 } 10889 10890 final PackageParser.Package newPkg; 10891 try { 10892 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10893 } catch (PackageManagerException e) { 10894 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10895 return false; 10896 } 10897 10898 // writer 10899 synchronized (mPackages) { 10900 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10901 updatePermissionsLPw(newPkg.packageName, newPkg, 10902 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10903 if (applyUserRestrictions) { 10904 if (DEBUG_REMOVE) { 10905 Slog.d(TAG, "Propagating install state across reinstall"); 10906 } 10907 for (int i = 0; i < allUserHandles.length; i++) { 10908 if (DEBUG_REMOVE) { 10909 Slog.d(TAG, " user " + allUserHandles[i] 10910 + " => " + perUserInstalled[i]); 10911 } 10912 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10913 } 10914 // Regardless of writeSettings we need to ensure that this restriction 10915 // state propagation is persisted 10916 mSettings.writeAllUsersPackageRestrictionsLPr(); 10917 } 10918 // can downgrade to reader here 10919 if (writeSettings) { 10920 mSettings.writeLPr(); 10921 } 10922 } 10923 return true; 10924 } 10925 10926 private boolean deleteInstalledPackageLI(PackageSetting ps, 10927 boolean deleteCodeAndResources, int flags, 10928 int[] allUserHandles, boolean[] perUserInstalled, 10929 PackageRemovedInfo outInfo, boolean writeSettings) { 10930 if (outInfo != null) { 10931 outInfo.uid = ps.appId; 10932 } 10933 10934 // Delete package data from internal structures and also remove data if flag is set 10935 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10936 10937 // Delete application code and resources 10938 if (deleteCodeAndResources && (outInfo != null)) { 10939 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10940 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10941 getAppDexInstructionSets(ps)); 10942 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10943 } 10944 return true; 10945 } 10946 10947 @Override 10948 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10949 int userId) { 10950 mContext.enforceCallingOrSelfPermission( 10951 android.Manifest.permission.DELETE_PACKAGES, null); 10952 synchronized (mPackages) { 10953 PackageSetting ps = mSettings.mPackages.get(packageName); 10954 if (ps == null) { 10955 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10956 return false; 10957 } 10958 if (!ps.getInstalled(userId)) { 10959 // Can't block uninstall for an app that is not installed or enabled. 10960 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10961 return false; 10962 } 10963 ps.setBlockUninstall(blockUninstall, userId); 10964 mSettings.writePackageRestrictionsLPr(userId); 10965 } 10966 return true; 10967 } 10968 10969 @Override 10970 public boolean getBlockUninstallForUser(String packageName, int userId) { 10971 synchronized (mPackages) { 10972 PackageSetting ps = mSettings.mPackages.get(packageName); 10973 if (ps == null) { 10974 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10975 return false; 10976 } 10977 return ps.getBlockUninstall(userId); 10978 } 10979 } 10980 10981 /* 10982 * This method handles package deletion in general 10983 */ 10984 private boolean deletePackageLI(String packageName, UserHandle user, 10985 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10986 int flags, PackageRemovedInfo outInfo, 10987 boolean writeSettings) { 10988 if (packageName == null) { 10989 Slog.w(TAG, "Attempt to delete null packageName."); 10990 return false; 10991 } 10992 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10993 PackageSetting ps; 10994 boolean dataOnly = false; 10995 int removeUser = -1; 10996 int appId = -1; 10997 synchronized (mPackages) { 10998 ps = mSettings.mPackages.get(packageName); 10999 if (ps == null) { 11000 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11001 return false; 11002 } 11003 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11004 && user.getIdentifier() != UserHandle.USER_ALL) { 11005 // The caller is asking that the package only be deleted for a single 11006 // user. To do this, we just mark its uninstalled state and delete 11007 // its data. If this is a system app, we only allow this to happen if 11008 // they have set the special DELETE_SYSTEM_APP which requests different 11009 // semantics than normal for uninstalling system apps. 11010 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11011 ps.setUserState(user.getIdentifier(), 11012 COMPONENT_ENABLED_STATE_DEFAULT, 11013 false, //installed 11014 true, //stopped 11015 true, //notLaunched 11016 false, //hidden 11017 null, null, null, 11018 false // blockUninstall 11019 ); 11020 if (!isSystemApp(ps)) { 11021 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11022 // Other user still have this package installed, so all 11023 // we need to do is clear this user's data and save that 11024 // it is uninstalled. 11025 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11026 removeUser = user.getIdentifier(); 11027 appId = ps.appId; 11028 mSettings.writePackageRestrictionsLPr(removeUser); 11029 } else { 11030 // We need to set it back to 'installed' so the uninstall 11031 // broadcasts will be sent correctly. 11032 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11033 ps.setInstalled(true, user.getIdentifier()); 11034 } 11035 } else { 11036 // This is a system app, so we assume that the 11037 // other users still have this package installed, so all 11038 // we need to do is clear this user's data and save that 11039 // it is uninstalled. 11040 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11041 removeUser = user.getIdentifier(); 11042 appId = ps.appId; 11043 mSettings.writePackageRestrictionsLPr(removeUser); 11044 } 11045 } 11046 } 11047 11048 if (removeUser >= 0) { 11049 // From above, we determined that we are deleting this only 11050 // for a single user. Continue the work here. 11051 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11052 if (outInfo != null) { 11053 outInfo.removedPackage = packageName; 11054 outInfo.removedAppId = appId; 11055 outInfo.removedUsers = new int[] {removeUser}; 11056 } 11057 mInstaller.clearUserData(packageName, removeUser); 11058 removeKeystoreDataIfNeeded(removeUser, appId); 11059 schedulePackageCleaning(packageName, removeUser, false); 11060 return true; 11061 } 11062 11063 if (dataOnly) { 11064 // Delete application data first 11065 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11066 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11067 return true; 11068 } 11069 11070 boolean ret = false; 11071 if (isSystemApp(ps)) { 11072 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11073 // When an updated system application is deleted we delete the existing resources as well and 11074 // fall back to existing code in system partition 11075 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11076 flags, outInfo, writeSettings); 11077 } else { 11078 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11079 // Kill application pre-emptively especially for apps on sd. 11080 killApplication(packageName, ps.appId, "uninstall pkg"); 11081 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11082 allUserHandles, perUserInstalled, 11083 outInfo, writeSettings); 11084 } 11085 11086 return ret; 11087 } 11088 11089 private final class ClearStorageConnection implements ServiceConnection { 11090 IMediaContainerService mContainerService; 11091 11092 @Override 11093 public void onServiceConnected(ComponentName name, IBinder service) { 11094 synchronized (this) { 11095 mContainerService = IMediaContainerService.Stub.asInterface(service); 11096 notifyAll(); 11097 } 11098 } 11099 11100 @Override 11101 public void onServiceDisconnected(ComponentName name) { 11102 } 11103 } 11104 11105 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11106 final boolean mounted; 11107 if (Environment.isExternalStorageEmulated()) { 11108 mounted = true; 11109 } else { 11110 final String status = Environment.getExternalStorageState(); 11111 11112 mounted = status.equals(Environment.MEDIA_MOUNTED) 11113 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11114 } 11115 11116 if (!mounted) { 11117 return; 11118 } 11119 11120 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11121 int[] users; 11122 if (userId == UserHandle.USER_ALL) { 11123 users = sUserManager.getUserIds(); 11124 } else { 11125 users = new int[] { userId }; 11126 } 11127 final ClearStorageConnection conn = new ClearStorageConnection(); 11128 if (mContext.bindServiceAsUser( 11129 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11130 try { 11131 for (int curUser : users) { 11132 long timeout = SystemClock.uptimeMillis() + 5000; 11133 synchronized (conn) { 11134 long now = SystemClock.uptimeMillis(); 11135 while (conn.mContainerService == null && now < timeout) { 11136 try { 11137 conn.wait(timeout - now); 11138 } catch (InterruptedException e) { 11139 } 11140 } 11141 } 11142 if (conn.mContainerService == null) { 11143 return; 11144 } 11145 11146 final UserEnvironment userEnv = new UserEnvironment(curUser); 11147 clearDirectory(conn.mContainerService, 11148 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11149 if (allData) { 11150 clearDirectory(conn.mContainerService, 11151 userEnv.buildExternalStorageAppDataDirs(packageName)); 11152 clearDirectory(conn.mContainerService, 11153 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11154 } 11155 } 11156 } finally { 11157 mContext.unbindService(conn); 11158 } 11159 } 11160 } 11161 11162 @Override 11163 public void clearApplicationUserData(final String packageName, 11164 final IPackageDataObserver observer, final int userId) { 11165 mContext.enforceCallingOrSelfPermission( 11166 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11167 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11168 // Queue up an async operation since the package deletion may take a little while. 11169 mHandler.post(new Runnable() { 11170 public void run() { 11171 mHandler.removeCallbacks(this); 11172 final boolean succeeded; 11173 synchronized (mInstallLock) { 11174 succeeded = clearApplicationUserDataLI(packageName, userId); 11175 } 11176 clearExternalStorageDataSync(packageName, userId, true); 11177 if (succeeded) { 11178 // invoke DeviceStorageMonitor's update method to clear any notifications 11179 DeviceStorageMonitorInternal 11180 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11181 if (dsm != null) { 11182 dsm.checkMemory(); 11183 } 11184 } 11185 if(observer != null) { 11186 try { 11187 observer.onRemoveCompleted(packageName, succeeded); 11188 } catch (RemoteException e) { 11189 Log.i(TAG, "Observer no longer exists."); 11190 } 11191 } //end if observer 11192 } //end run 11193 }); 11194 } 11195 11196 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11197 if (packageName == null) { 11198 Slog.w(TAG, "Attempt to delete null packageName."); 11199 return false; 11200 } 11201 11202 // Try finding details about the requested package 11203 PackageParser.Package pkg; 11204 synchronized (mPackages) { 11205 pkg = mPackages.get(packageName); 11206 if (pkg == null) { 11207 final PackageSetting ps = mSettings.mPackages.get(packageName); 11208 if (ps != null) { 11209 pkg = ps.pkg; 11210 } 11211 } 11212 } 11213 11214 if (pkg == null) { 11215 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11216 } 11217 11218 // Always delete data directories for package, even if we found no other 11219 // record of app. This helps users recover from UID mismatches without 11220 // resorting to a full data wipe. 11221 int retCode = mInstaller.clearUserData(packageName, userId); 11222 if (retCode < 0) { 11223 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11224 return false; 11225 } 11226 11227 if (pkg == null) { 11228 return false; 11229 } 11230 11231 if (pkg != null && pkg.applicationInfo != null) { 11232 final int appId = pkg.applicationInfo.uid; 11233 removeKeystoreDataIfNeeded(userId, appId); 11234 } 11235 11236 // Create a native library symlink only if we have native libraries 11237 // and if the native libraries are 32 bit libraries. We do not provide 11238 // this symlink for 64 bit libraries. 11239 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11240 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11241 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11242 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11243 Slog.w(TAG, "Failed linking native library dir"); 11244 return false; 11245 } 11246 } 11247 11248 return true; 11249 } 11250 11251 /** 11252 * Remove entries from the keystore daemon. Will only remove it if the 11253 * {@code appId} is valid. 11254 */ 11255 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11256 if (appId < 0) { 11257 return; 11258 } 11259 11260 final KeyStore keyStore = KeyStore.getInstance(); 11261 if (keyStore != null) { 11262 if (userId == UserHandle.USER_ALL) { 11263 for (final int individual : sUserManager.getUserIds()) { 11264 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11265 } 11266 } else { 11267 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11268 } 11269 } else { 11270 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11271 } 11272 } 11273 11274 @Override 11275 public void deleteApplicationCacheFiles(final String packageName, 11276 final IPackageDataObserver observer) { 11277 mContext.enforceCallingOrSelfPermission( 11278 android.Manifest.permission.DELETE_CACHE_FILES, null); 11279 // Queue up an async operation since the package deletion may take a little while. 11280 final int userId = UserHandle.getCallingUserId(); 11281 mHandler.post(new Runnable() { 11282 public void run() { 11283 mHandler.removeCallbacks(this); 11284 final boolean succeded; 11285 synchronized (mInstallLock) { 11286 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11287 } 11288 clearExternalStorageDataSync(packageName, userId, false); 11289 if(observer != null) { 11290 try { 11291 observer.onRemoveCompleted(packageName, succeded); 11292 } catch (RemoteException e) { 11293 Log.i(TAG, "Observer no longer exists."); 11294 } 11295 } //end if observer 11296 } //end run 11297 }); 11298 } 11299 11300 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11301 if (packageName == null) { 11302 Slog.w(TAG, "Attempt to delete null packageName."); 11303 return false; 11304 } 11305 PackageParser.Package p; 11306 synchronized (mPackages) { 11307 p = mPackages.get(packageName); 11308 } 11309 if (p == null) { 11310 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11311 return false; 11312 } 11313 final ApplicationInfo applicationInfo = p.applicationInfo; 11314 if (applicationInfo == null) { 11315 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11316 return false; 11317 } 11318 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11319 if (retCode < 0) { 11320 Slog.w(TAG, "Couldn't remove cache files for package: " 11321 + packageName + " u" + userId); 11322 return false; 11323 } 11324 return true; 11325 } 11326 11327 @Override 11328 public void getPackageSizeInfo(final String packageName, int userHandle, 11329 final IPackageStatsObserver observer) { 11330 mContext.enforceCallingOrSelfPermission( 11331 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11332 if (packageName == null) { 11333 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11334 } 11335 11336 PackageStats stats = new PackageStats(packageName, userHandle); 11337 11338 /* 11339 * Queue up an async operation since the package measurement may take a 11340 * little while. 11341 */ 11342 Message msg = mHandler.obtainMessage(INIT_COPY); 11343 msg.obj = new MeasureParams(stats, observer); 11344 mHandler.sendMessage(msg); 11345 } 11346 11347 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11348 PackageStats pStats) { 11349 if (packageName == null) { 11350 Slog.w(TAG, "Attempt to get size of null packageName."); 11351 return false; 11352 } 11353 PackageParser.Package p; 11354 boolean dataOnly = false; 11355 String libDirRoot = null; 11356 String asecPath = null; 11357 PackageSetting ps = null; 11358 synchronized (mPackages) { 11359 p = mPackages.get(packageName); 11360 ps = mSettings.mPackages.get(packageName); 11361 if(p == null) { 11362 dataOnly = true; 11363 if((ps == null) || (ps.pkg == null)) { 11364 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11365 return false; 11366 } 11367 p = ps.pkg; 11368 } 11369 if (ps != null) { 11370 libDirRoot = ps.legacyNativeLibraryPathString; 11371 } 11372 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11373 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11374 if (secureContainerId != null) { 11375 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11376 } 11377 } 11378 } 11379 String publicSrcDir = null; 11380 if(!dataOnly) { 11381 final ApplicationInfo applicationInfo = p.applicationInfo; 11382 if (applicationInfo == null) { 11383 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11384 return false; 11385 } 11386 if (p.isForwardLocked()) { 11387 publicSrcDir = applicationInfo.getBaseResourcePath(); 11388 } 11389 } 11390 // TODO: extend to measure size of split APKs 11391 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11392 // not just the first level. 11393 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11394 // just the primary. 11395 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11396 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11397 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11398 if (res < 0) { 11399 return false; 11400 } 11401 11402 // Fix-up for forward-locked applications in ASEC containers. 11403 if (!isExternal(p)) { 11404 pStats.codeSize += pStats.externalCodeSize; 11405 pStats.externalCodeSize = 0L; 11406 } 11407 11408 return true; 11409 } 11410 11411 11412 @Override 11413 public void addPackageToPreferred(String packageName) { 11414 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11415 } 11416 11417 @Override 11418 public void removePackageFromPreferred(String packageName) { 11419 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11420 } 11421 11422 @Override 11423 public List<PackageInfo> getPreferredPackages(int flags) { 11424 return new ArrayList<PackageInfo>(); 11425 } 11426 11427 private int getUidTargetSdkVersionLockedLPr(int uid) { 11428 Object obj = mSettings.getUserIdLPr(uid); 11429 if (obj instanceof SharedUserSetting) { 11430 final SharedUserSetting sus = (SharedUserSetting) obj; 11431 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11432 final Iterator<PackageSetting> it = sus.packages.iterator(); 11433 while (it.hasNext()) { 11434 final PackageSetting ps = it.next(); 11435 if (ps.pkg != null) { 11436 int v = ps.pkg.applicationInfo.targetSdkVersion; 11437 if (v < vers) vers = v; 11438 } 11439 } 11440 return vers; 11441 } else if (obj instanceof PackageSetting) { 11442 final PackageSetting ps = (PackageSetting) obj; 11443 if (ps.pkg != null) { 11444 return ps.pkg.applicationInfo.targetSdkVersion; 11445 } 11446 } 11447 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11448 } 11449 11450 @Override 11451 public void addPreferredActivity(IntentFilter filter, int match, 11452 ComponentName[] set, ComponentName activity, int userId) { 11453 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11454 "Adding preferred"); 11455 } 11456 11457 private void addPreferredActivityInternal(IntentFilter filter, int match, 11458 ComponentName[] set, ComponentName activity, boolean always, int userId, 11459 String opname) { 11460 // writer 11461 int callingUid = Binder.getCallingUid(); 11462 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11463 if (filter.countActions() == 0) { 11464 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11465 return; 11466 } 11467 synchronized (mPackages) { 11468 if (mContext.checkCallingOrSelfPermission( 11469 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11470 != PackageManager.PERMISSION_GRANTED) { 11471 if (getUidTargetSdkVersionLockedLPr(callingUid) 11472 < Build.VERSION_CODES.FROYO) { 11473 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11474 + callingUid); 11475 return; 11476 } 11477 mContext.enforceCallingOrSelfPermission( 11478 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11479 } 11480 11481 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11482 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11483 + userId + ":"); 11484 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11485 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11486 scheduleWritePackageRestrictionsLocked(userId); 11487 } 11488 } 11489 11490 @Override 11491 public void replacePreferredActivity(IntentFilter filter, int match, 11492 ComponentName[] set, ComponentName activity, int userId) { 11493 if (filter.countActions() != 1) { 11494 throw new IllegalArgumentException( 11495 "replacePreferredActivity expects filter to have only 1 action."); 11496 } 11497 if (filter.countDataAuthorities() != 0 11498 || filter.countDataPaths() != 0 11499 || filter.countDataSchemes() > 1 11500 || filter.countDataTypes() != 0) { 11501 throw new IllegalArgumentException( 11502 "replacePreferredActivity expects filter to have no data authorities, " + 11503 "paths, or types; and at most one scheme."); 11504 } 11505 11506 final int callingUid = Binder.getCallingUid(); 11507 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11508 synchronized (mPackages) { 11509 if (mContext.checkCallingOrSelfPermission( 11510 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11511 != PackageManager.PERMISSION_GRANTED) { 11512 if (getUidTargetSdkVersionLockedLPr(callingUid) 11513 < Build.VERSION_CODES.FROYO) { 11514 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11515 + Binder.getCallingUid()); 11516 return; 11517 } 11518 mContext.enforceCallingOrSelfPermission( 11519 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11520 } 11521 11522 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11523 if (pir != null) { 11524 // Get all of the existing entries that exactly match this filter. 11525 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11526 if (existing != null && existing.size() == 1) { 11527 PreferredActivity cur = existing.get(0); 11528 if (DEBUG_PREFERRED) { 11529 Slog.i(TAG, "Checking replace of preferred:"); 11530 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11531 if (!cur.mPref.mAlways) { 11532 Slog.i(TAG, " -- CUR; not mAlways!"); 11533 } else { 11534 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11535 Slog.i(TAG, " -- CUR: mSet=" 11536 + Arrays.toString(cur.mPref.mSetComponents)); 11537 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11538 Slog.i(TAG, " -- NEW: mMatch=" 11539 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11540 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11541 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11542 } 11543 } 11544 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11545 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11546 && cur.mPref.sameSet(set)) { 11547 // Setting the preferred activity to what it happens to be already 11548 if (DEBUG_PREFERRED) { 11549 Slog.i(TAG, "Replacing with same preferred activity " 11550 + cur.mPref.mShortComponent + " for user " 11551 + userId + ":"); 11552 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11553 } 11554 return; 11555 } 11556 } 11557 11558 if (existing != null) { 11559 if (DEBUG_PREFERRED) { 11560 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11561 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11562 } 11563 for (int i = 0; i < existing.size(); i++) { 11564 PreferredActivity pa = existing.get(i); 11565 if (DEBUG_PREFERRED) { 11566 Slog.i(TAG, "Removing existing preferred activity " 11567 + pa.mPref.mComponent + ":"); 11568 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11569 } 11570 pir.removeFilter(pa); 11571 } 11572 } 11573 } 11574 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11575 "Replacing preferred"); 11576 } 11577 } 11578 11579 @Override 11580 public void clearPackagePreferredActivities(String packageName) { 11581 final int uid = Binder.getCallingUid(); 11582 // writer 11583 synchronized (mPackages) { 11584 PackageParser.Package pkg = mPackages.get(packageName); 11585 if (pkg == null || pkg.applicationInfo.uid != uid) { 11586 if (mContext.checkCallingOrSelfPermission( 11587 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11588 != PackageManager.PERMISSION_GRANTED) { 11589 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11590 < Build.VERSION_CODES.FROYO) { 11591 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11592 + Binder.getCallingUid()); 11593 return; 11594 } 11595 mContext.enforceCallingOrSelfPermission( 11596 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11597 } 11598 } 11599 11600 int user = UserHandle.getCallingUserId(); 11601 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11602 scheduleWritePackageRestrictionsLocked(user); 11603 } 11604 } 11605 } 11606 11607 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11608 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11609 ArrayList<PreferredActivity> removed = null; 11610 boolean changed = false; 11611 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11612 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11613 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11614 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11615 continue; 11616 } 11617 Iterator<PreferredActivity> it = pir.filterIterator(); 11618 while (it.hasNext()) { 11619 PreferredActivity pa = it.next(); 11620 // Mark entry for removal only if it matches the package name 11621 // and the entry is of type "always". 11622 if (packageName == null || 11623 (pa.mPref.mComponent.getPackageName().equals(packageName) 11624 && pa.mPref.mAlways)) { 11625 if (removed == null) { 11626 removed = new ArrayList<PreferredActivity>(); 11627 } 11628 removed.add(pa); 11629 } 11630 } 11631 if (removed != null) { 11632 for (int j=0; j<removed.size(); j++) { 11633 PreferredActivity pa = removed.get(j); 11634 pir.removeFilter(pa); 11635 } 11636 changed = true; 11637 } 11638 } 11639 return changed; 11640 } 11641 11642 @Override 11643 public void resetPreferredActivities(int userId) { 11644 /* TODO: Actually use userId. Why is it being passed in? */ 11645 mContext.enforceCallingOrSelfPermission( 11646 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11647 // writer 11648 synchronized (mPackages) { 11649 int user = UserHandle.getCallingUserId(); 11650 clearPackagePreferredActivitiesLPw(null, user); 11651 mSettings.readDefaultPreferredAppsLPw(this, user); 11652 scheduleWritePackageRestrictionsLocked(user); 11653 } 11654 } 11655 11656 @Override 11657 public int getPreferredActivities(List<IntentFilter> outFilters, 11658 List<ComponentName> outActivities, String packageName) { 11659 11660 int num = 0; 11661 final int userId = UserHandle.getCallingUserId(); 11662 // reader 11663 synchronized (mPackages) { 11664 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11665 if (pir != null) { 11666 final Iterator<PreferredActivity> it = pir.filterIterator(); 11667 while (it.hasNext()) { 11668 final PreferredActivity pa = it.next(); 11669 if (packageName == null 11670 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11671 && pa.mPref.mAlways)) { 11672 if (outFilters != null) { 11673 outFilters.add(new IntentFilter(pa)); 11674 } 11675 if (outActivities != null) { 11676 outActivities.add(pa.mPref.mComponent); 11677 } 11678 } 11679 } 11680 } 11681 } 11682 11683 return num; 11684 } 11685 11686 @Override 11687 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11688 int userId) { 11689 int callingUid = Binder.getCallingUid(); 11690 if (callingUid != Process.SYSTEM_UID) { 11691 throw new SecurityException( 11692 "addPersistentPreferredActivity can only be run by the system"); 11693 } 11694 if (filter.countActions() == 0) { 11695 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11696 return; 11697 } 11698 synchronized (mPackages) { 11699 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11700 " :"); 11701 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11702 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11703 new PersistentPreferredActivity(filter, activity)); 11704 scheduleWritePackageRestrictionsLocked(userId); 11705 } 11706 } 11707 11708 @Override 11709 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11710 int callingUid = Binder.getCallingUid(); 11711 if (callingUid != Process.SYSTEM_UID) { 11712 throw new SecurityException( 11713 "clearPackagePersistentPreferredActivities can only be run by the system"); 11714 } 11715 ArrayList<PersistentPreferredActivity> removed = null; 11716 boolean changed = false; 11717 synchronized (mPackages) { 11718 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11719 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11720 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11721 .valueAt(i); 11722 if (userId != thisUserId) { 11723 continue; 11724 } 11725 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11726 while (it.hasNext()) { 11727 PersistentPreferredActivity ppa = it.next(); 11728 // Mark entry for removal only if it matches the package name. 11729 if (ppa.mComponent.getPackageName().equals(packageName)) { 11730 if (removed == null) { 11731 removed = new ArrayList<PersistentPreferredActivity>(); 11732 } 11733 removed.add(ppa); 11734 } 11735 } 11736 if (removed != null) { 11737 for (int j=0; j<removed.size(); j++) { 11738 PersistentPreferredActivity ppa = removed.get(j); 11739 ppir.removeFilter(ppa); 11740 } 11741 changed = true; 11742 } 11743 } 11744 11745 if (changed) { 11746 scheduleWritePackageRestrictionsLocked(userId); 11747 } 11748 } 11749 } 11750 11751 @Override 11752 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11753 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11754 mContext.enforceCallingOrSelfPermission( 11755 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11756 int callingUid = Binder.getCallingUid(); 11757 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11758 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11759 if (intentFilter.countActions() == 0) { 11760 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11761 return; 11762 } 11763 synchronized (mPackages) { 11764 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11765 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11766 CrossProfileIntentResolver resolver = 11767 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11768 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11769 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11770 if (existing != null) { 11771 int size = existing.size(); 11772 for (int i = 0; i < size; i++) { 11773 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11774 return; 11775 } 11776 } 11777 } 11778 resolver.addFilter(newFilter); 11779 scheduleWritePackageRestrictionsLocked(sourceUserId); 11780 } 11781 } 11782 11783 @Override 11784 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11785 int ownerUserId) { 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 int callingUserId = UserHandle.getUserId(callingUid); 11792 synchronized (mPackages) { 11793 CrossProfileIntentResolver resolver = 11794 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11795 ArraySet<CrossProfileIntentFilter> set = 11796 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11797 for (CrossProfileIntentFilter filter : set) { 11798 if (filter.getOwnerPackage().equals(ownerPackage) 11799 && filter.getOwnerUserId() == callingUserId) { 11800 resolver.removeFilter(filter); 11801 } 11802 } 11803 scheduleWritePackageRestrictionsLocked(sourceUserId); 11804 } 11805 } 11806 11807 // Enforcing that callingUid is owning pkg on userId 11808 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11809 // The system owns everything. 11810 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11811 return; 11812 } 11813 int callingUserId = UserHandle.getUserId(callingUid); 11814 if (callingUserId != userId) { 11815 throw new SecurityException("calling uid " + callingUid 11816 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11817 + callingUserId); 11818 } 11819 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11820 if (pi == null) { 11821 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11822 + callingUserId); 11823 } 11824 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11825 throw new SecurityException("Calling uid " + callingUid 11826 + " does not own package " + pkg); 11827 } 11828 } 11829 11830 @Override 11831 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11832 Intent intent = new Intent(Intent.ACTION_MAIN); 11833 intent.addCategory(Intent.CATEGORY_HOME); 11834 11835 final int callingUserId = UserHandle.getCallingUserId(); 11836 List<ResolveInfo> list = queryIntentActivities(intent, null, 11837 PackageManager.GET_META_DATA, callingUserId); 11838 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11839 true, false, false, callingUserId); 11840 11841 allHomeCandidates.clear(); 11842 if (list != null) { 11843 for (ResolveInfo ri : list) { 11844 allHomeCandidates.add(ri); 11845 } 11846 } 11847 return (preferred == null || preferred.activityInfo == null) 11848 ? null 11849 : new ComponentName(preferred.activityInfo.packageName, 11850 preferred.activityInfo.name); 11851 } 11852 11853 @Override 11854 public void setApplicationEnabledSetting(String appPackageName, 11855 int newState, int flags, int userId, String callingPackage) { 11856 if (!sUserManager.exists(userId)) return; 11857 if (callingPackage == null) { 11858 callingPackage = Integer.toString(Binder.getCallingUid()); 11859 } 11860 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11861 } 11862 11863 @Override 11864 public void setComponentEnabledSetting(ComponentName componentName, 11865 int newState, int flags, int userId) { 11866 if (!sUserManager.exists(userId)) return; 11867 setEnabledSetting(componentName.getPackageName(), 11868 componentName.getClassName(), newState, flags, userId, null); 11869 } 11870 11871 private void setEnabledSetting(final String packageName, String className, int newState, 11872 final int flags, int userId, String callingPackage) { 11873 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11874 || newState == COMPONENT_ENABLED_STATE_ENABLED 11875 || newState == COMPONENT_ENABLED_STATE_DISABLED 11876 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11877 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11878 throw new IllegalArgumentException("Invalid new component state: " 11879 + newState); 11880 } 11881 PackageSetting pkgSetting; 11882 final int uid = Binder.getCallingUid(); 11883 final int permission = mContext.checkCallingOrSelfPermission( 11884 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11885 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11886 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11887 boolean sendNow = false; 11888 boolean isApp = (className == null); 11889 String componentName = isApp ? packageName : className; 11890 int packageUid = -1; 11891 ArrayList<String> components; 11892 11893 // writer 11894 synchronized (mPackages) { 11895 pkgSetting = mSettings.mPackages.get(packageName); 11896 if (pkgSetting == null) { 11897 if (className == null) { 11898 throw new IllegalArgumentException( 11899 "Unknown package: " + packageName); 11900 } 11901 throw new IllegalArgumentException( 11902 "Unknown component: " + packageName 11903 + "/" + className); 11904 } 11905 // Allow root and verify that userId is not being specified by a different user 11906 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11907 throw new SecurityException( 11908 "Permission Denial: attempt to change component state from pid=" 11909 + Binder.getCallingPid() 11910 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11911 } 11912 if (className == null) { 11913 // We're dealing with an application/package level state change 11914 if (pkgSetting.getEnabled(userId) == newState) { 11915 // Nothing to do 11916 return; 11917 } 11918 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11919 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11920 // Don't care about who enables an app. 11921 callingPackage = null; 11922 } 11923 pkgSetting.setEnabled(newState, userId, callingPackage); 11924 // pkgSetting.pkg.mSetEnabled = newState; 11925 } else { 11926 // We're dealing with a component level state change 11927 // First, verify that this is a valid class name. 11928 PackageParser.Package pkg = pkgSetting.pkg; 11929 if (pkg == null || !pkg.hasComponentClassName(className)) { 11930 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11931 throw new IllegalArgumentException("Component class " + className 11932 + " does not exist in " + packageName); 11933 } else { 11934 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11935 + className + " does not exist in " + packageName); 11936 } 11937 } 11938 switch (newState) { 11939 case COMPONENT_ENABLED_STATE_ENABLED: 11940 if (!pkgSetting.enableComponentLPw(className, userId)) { 11941 return; 11942 } 11943 break; 11944 case COMPONENT_ENABLED_STATE_DISABLED: 11945 if (!pkgSetting.disableComponentLPw(className, userId)) { 11946 return; 11947 } 11948 break; 11949 case COMPONENT_ENABLED_STATE_DEFAULT: 11950 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11951 return; 11952 } 11953 break; 11954 default: 11955 Slog.e(TAG, "Invalid new component state: " + newState); 11956 return; 11957 } 11958 } 11959 mSettings.writePackageRestrictionsLPr(userId); 11960 components = mPendingBroadcasts.get(userId, packageName); 11961 final boolean newPackage = components == null; 11962 if (newPackage) { 11963 components = new ArrayList<String>(); 11964 } 11965 if (!components.contains(componentName)) { 11966 components.add(componentName); 11967 } 11968 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11969 sendNow = true; 11970 // Purge entry from pending broadcast list if another one exists already 11971 // since we are sending one right away. 11972 mPendingBroadcasts.remove(userId, packageName); 11973 } else { 11974 if (newPackage) { 11975 mPendingBroadcasts.put(userId, packageName, components); 11976 } 11977 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11978 // Schedule a message 11979 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11980 } 11981 } 11982 } 11983 11984 long callingId = Binder.clearCallingIdentity(); 11985 try { 11986 if (sendNow) { 11987 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11988 sendPackageChangedBroadcast(packageName, 11989 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11990 } 11991 } finally { 11992 Binder.restoreCallingIdentity(callingId); 11993 } 11994 } 11995 11996 private void sendPackageChangedBroadcast(String packageName, 11997 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11998 if (DEBUG_INSTALL) 11999 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12000 + componentNames); 12001 Bundle extras = new Bundle(4); 12002 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12003 String nameList[] = new String[componentNames.size()]; 12004 componentNames.toArray(nameList); 12005 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12006 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12007 extras.putInt(Intent.EXTRA_UID, packageUid); 12008 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12009 new int[] {UserHandle.getUserId(packageUid)}); 12010 } 12011 12012 @Override 12013 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12014 if (!sUserManager.exists(userId)) return; 12015 final int uid = Binder.getCallingUid(); 12016 final int permission = mContext.checkCallingOrSelfPermission( 12017 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12018 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12019 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12020 // writer 12021 synchronized (mPackages) { 12022 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12023 uid, userId)) { 12024 scheduleWritePackageRestrictionsLocked(userId); 12025 } 12026 } 12027 } 12028 12029 @Override 12030 public String getInstallerPackageName(String packageName) { 12031 // reader 12032 synchronized (mPackages) { 12033 return mSettings.getInstallerPackageNameLPr(packageName); 12034 } 12035 } 12036 12037 @Override 12038 public int getApplicationEnabledSetting(String packageName, int userId) { 12039 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12040 int uid = Binder.getCallingUid(); 12041 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12042 // reader 12043 synchronized (mPackages) { 12044 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12045 } 12046 } 12047 12048 @Override 12049 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12050 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12051 int uid = Binder.getCallingUid(); 12052 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12053 // reader 12054 synchronized (mPackages) { 12055 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12056 } 12057 } 12058 12059 @Override 12060 public void enterSafeMode() { 12061 enforceSystemOrRoot("Only the system can request entering safe mode"); 12062 12063 if (!mSystemReady) { 12064 mSafeMode = true; 12065 } 12066 } 12067 12068 @Override 12069 public void systemReady() { 12070 mSystemReady = true; 12071 12072 // Read the compatibilty setting when the system is ready. 12073 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12074 mContext.getContentResolver(), 12075 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12076 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12077 if (DEBUG_SETTINGS) { 12078 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12079 } 12080 12081 synchronized (mPackages) { 12082 // Verify that all of the preferred activity components actually 12083 // exist. It is possible for applications to be updated and at 12084 // that point remove a previously declared activity component that 12085 // had been set as a preferred activity. We try to clean this up 12086 // the next time we encounter that preferred activity, but it is 12087 // possible for the user flow to never be able to return to that 12088 // situation so here we do a sanity check to make sure we haven't 12089 // left any junk around. 12090 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12091 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12092 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12093 removed.clear(); 12094 for (PreferredActivity pa : pir.filterSet()) { 12095 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12096 removed.add(pa); 12097 } 12098 } 12099 if (removed.size() > 0) { 12100 for (int r=0; r<removed.size(); r++) { 12101 PreferredActivity pa = removed.get(r); 12102 Slog.w(TAG, "Removing dangling preferred activity: " 12103 + pa.mPref.mComponent); 12104 pir.removeFilter(pa); 12105 } 12106 mSettings.writePackageRestrictionsLPr( 12107 mSettings.mPreferredActivities.keyAt(i)); 12108 } 12109 } 12110 } 12111 sUserManager.systemReady(); 12112 12113 // Kick off any messages waiting for system ready 12114 if (mPostSystemReadyMessages != null) { 12115 for (Message msg : mPostSystemReadyMessages) { 12116 msg.sendToTarget(); 12117 } 12118 mPostSystemReadyMessages = null; 12119 } 12120 } 12121 12122 @Override 12123 public boolean isSafeMode() { 12124 return mSafeMode; 12125 } 12126 12127 @Override 12128 public boolean hasSystemUidErrors() { 12129 return mHasSystemUidErrors; 12130 } 12131 12132 static String arrayToString(int[] array) { 12133 StringBuffer buf = new StringBuffer(128); 12134 buf.append('['); 12135 if (array != null) { 12136 for (int i=0; i<array.length; i++) { 12137 if (i > 0) buf.append(", "); 12138 buf.append(array[i]); 12139 } 12140 } 12141 buf.append(']'); 12142 return buf.toString(); 12143 } 12144 12145 static class DumpState { 12146 public static final int DUMP_LIBS = 1 << 0; 12147 public static final int DUMP_FEATURES = 1 << 1; 12148 public static final int DUMP_RESOLVERS = 1 << 2; 12149 public static final int DUMP_PERMISSIONS = 1 << 3; 12150 public static final int DUMP_PACKAGES = 1 << 4; 12151 public static final int DUMP_SHARED_USERS = 1 << 5; 12152 public static final int DUMP_MESSAGES = 1 << 6; 12153 public static final int DUMP_PROVIDERS = 1 << 7; 12154 public static final int DUMP_VERIFIERS = 1 << 8; 12155 public static final int DUMP_PREFERRED = 1 << 9; 12156 public static final int DUMP_PREFERRED_XML = 1 << 10; 12157 public static final int DUMP_KEYSETS = 1 << 11; 12158 public static final int DUMP_VERSION = 1 << 12; 12159 public static final int DUMP_INSTALLS = 1 << 13; 12160 12161 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12162 12163 private int mTypes; 12164 12165 private int mOptions; 12166 12167 private boolean mTitlePrinted; 12168 12169 private SharedUserSetting mSharedUser; 12170 12171 public boolean isDumping(int type) { 12172 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12173 return true; 12174 } 12175 12176 return (mTypes & type) != 0; 12177 } 12178 12179 public void setDump(int type) { 12180 mTypes |= type; 12181 } 12182 12183 public boolean isOptionEnabled(int option) { 12184 return (mOptions & option) != 0; 12185 } 12186 12187 public void setOptionEnabled(int option) { 12188 mOptions |= option; 12189 } 12190 12191 public boolean onTitlePrinted() { 12192 final boolean printed = mTitlePrinted; 12193 mTitlePrinted = true; 12194 return printed; 12195 } 12196 12197 public boolean getTitlePrinted() { 12198 return mTitlePrinted; 12199 } 12200 12201 public void setTitlePrinted(boolean enabled) { 12202 mTitlePrinted = enabled; 12203 } 12204 12205 public SharedUserSetting getSharedUser() { 12206 return mSharedUser; 12207 } 12208 12209 public void setSharedUser(SharedUserSetting user) { 12210 mSharedUser = user; 12211 } 12212 } 12213 12214 @Override 12215 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12216 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12217 != PackageManager.PERMISSION_GRANTED) { 12218 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12219 + Binder.getCallingPid() 12220 + ", uid=" + Binder.getCallingUid() 12221 + " without permission " 12222 + android.Manifest.permission.DUMP); 12223 return; 12224 } 12225 12226 DumpState dumpState = new DumpState(); 12227 boolean fullPreferred = false; 12228 boolean checkin = false; 12229 12230 String packageName = null; 12231 12232 int opti = 0; 12233 while (opti < args.length) { 12234 String opt = args[opti]; 12235 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12236 break; 12237 } 12238 opti++; 12239 12240 if ("-a".equals(opt)) { 12241 // Right now we only know how to print all. 12242 } else if ("-h".equals(opt)) { 12243 pw.println("Package manager dump options:"); 12244 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12245 pw.println(" --checkin: dump for a checkin"); 12246 pw.println(" -f: print details of intent filters"); 12247 pw.println(" -h: print this help"); 12248 pw.println(" cmd may be one of:"); 12249 pw.println(" l[ibraries]: list known shared libraries"); 12250 pw.println(" f[ibraries]: list device features"); 12251 pw.println(" k[eysets]: print known keysets"); 12252 pw.println(" r[esolvers]: dump intent resolvers"); 12253 pw.println(" perm[issions]: dump permissions"); 12254 pw.println(" pref[erred]: print preferred package settings"); 12255 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12256 pw.println(" prov[iders]: dump content providers"); 12257 pw.println(" p[ackages]: dump installed packages"); 12258 pw.println(" s[hared-users]: dump shared user IDs"); 12259 pw.println(" m[essages]: print collected runtime messages"); 12260 pw.println(" v[erifiers]: print package verifier info"); 12261 pw.println(" version: print database version info"); 12262 pw.println(" write: write current settings now"); 12263 pw.println(" <package.name>: info about given package"); 12264 pw.println(" installs: details about install sessions"); 12265 return; 12266 } else if ("--checkin".equals(opt)) { 12267 checkin = true; 12268 } else if ("-f".equals(opt)) { 12269 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12270 } else { 12271 pw.println("Unknown argument: " + opt + "; use -h for help"); 12272 } 12273 } 12274 12275 // Is the caller requesting to dump a particular piece of data? 12276 if (opti < args.length) { 12277 String cmd = args[opti]; 12278 opti++; 12279 // Is this a package name? 12280 if ("android".equals(cmd) || cmd.contains(".")) { 12281 packageName = cmd; 12282 // When dumping a single package, we always dump all of its 12283 // filter information since the amount of data will be reasonable. 12284 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12285 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12286 dumpState.setDump(DumpState.DUMP_LIBS); 12287 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12288 dumpState.setDump(DumpState.DUMP_FEATURES); 12289 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12290 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12291 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12292 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12293 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12294 dumpState.setDump(DumpState.DUMP_PREFERRED); 12295 } else if ("preferred-xml".equals(cmd)) { 12296 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12297 if (opti < args.length && "--full".equals(args[opti])) { 12298 fullPreferred = true; 12299 opti++; 12300 } 12301 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12302 dumpState.setDump(DumpState.DUMP_PACKAGES); 12303 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12304 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12305 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12306 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12307 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12308 dumpState.setDump(DumpState.DUMP_MESSAGES); 12309 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12310 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12311 } else if ("version".equals(cmd)) { 12312 dumpState.setDump(DumpState.DUMP_VERSION); 12313 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12314 dumpState.setDump(DumpState.DUMP_KEYSETS); 12315 } else if ("installs".equals(cmd)) { 12316 dumpState.setDump(DumpState.DUMP_INSTALLS); 12317 } else if ("write".equals(cmd)) { 12318 synchronized (mPackages) { 12319 mSettings.writeLPr(); 12320 pw.println("Settings written."); 12321 return; 12322 } 12323 } 12324 } 12325 12326 if (checkin) { 12327 pw.println("vers,1"); 12328 } 12329 12330 // reader 12331 synchronized (mPackages) { 12332 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12333 if (!checkin) { 12334 if (dumpState.onTitlePrinted()) 12335 pw.println(); 12336 pw.println("Database versions:"); 12337 pw.print(" SDK Version:"); 12338 pw.print(" internal="); 12339 pw.print(mSettings.mInternalSdkPlatform); 12340 pw.print(" external="); 12341 pw.println(mSettings.mExternalSdkPlatform); 12342 pw.print(" DB Version:"); 12343 pw.print(" internal="); 12344 pw.print(mSettings.mInternalDatabaseVersion); 12345 pw.print(" external="); 12346 pw.println(mSettings.mExternalDatabaseVersion); 12347 } 12348 } 12349 12350 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12351 if (!checkin) { 12352 if (dumpState.onTitlePrinted()) 12353 pw.println(); 12354 pw.println("Verifiers:"); 12355 pw.print(" Required: "); 12356 pw.print(mRequiredVerifierPackage); 12357 pw.print(" (uid="); 12358 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12359 pw.println(")"); 12360 } else if (mRequiredVerifierPackage != null) { 12361 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12362 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12363 } 12364 } 12365 12366 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12367 boolean printedHeader = false; 12368 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12369 while (it.hasNext()) { 12370 String name = it.next(); 12371 SharedLibraryEntry ent = mSharedLibraries.get(name); 12372 if (!checkin) { 12373 if (!printedHeader) { 12374 if (dumpState.onTitlePrinted()) 12375 pw.println(); 12376 pw.println("Libraries:"); 12377 printedHeader = true; 12378 } 12379 pw.print(" "); 12380 } else { 12381 pw.print("lib,"); 12382 } 12383 pw.print(name); 12384 if (!checkin) { 12385 pw.print(" -> "); 12386 } 12387 if (ent.path != null) { 12388 if (!checkin) { 12389 pw.print("(jar) "); 12390 pw.print(ent.path); 12391 } else { 12392 pw.print(",jar,"); 12393 pw.print(ent.path); 12394 } 12395 } else { 12396 if (!checkin) { 12397 pw.print("(apk) "); 12398 pw.print(ent.apk); 12399 } else { 12400 pw.print(",apk,"); 12401 pw.print(ent.apk); 12402 } 12403 } 12404 pw.println(); 12405 } 12406 } 12407 12408 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12409 if (dumpState.onTitlePrinted()) 12410 pw.println(); 12411 if (!checkin) { 12412 pw.println("Features:"); 12413 } 12414 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12415 while (it.hasNext()) { 12416 String name = it.next(); 12417 if (!checkin) { 12418 pw.print(" "); 12419 } else { 12420 pw.print("feat,"); 12421 } 12422 pw.println(name); 12423 } 12424 } 12425 12426 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12427 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12428 : "Activity Resolver Table:", " ", packageName, 12429 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12430 dumpState.setTitlePrinted(true); 12431 } 12432 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12433 : "Receiver Resolver Table:", " ", packageName, 12434 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12435 dumpState.setTitlePrinted(true); 12436 } 12437 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12438 : "Service Resolver Table:", " ", packageName, 12439 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12440 dumpState.setTitlePrinted(true); 12441 } 12442 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12443 : "Provider Resolver Table:", " ", packageName, 12444 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12445 dumpState.setTitlePrinted(true); 12446 } 12447 } 12448 12449 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12450 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12451 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12452 int user = mSettings.mPreferredActivities.keyAt(i); 12453 if (pir.dump(pw, 12454 dumpState.getTitlePrinted() 12455 ? "\nPreferred Activities User " + user + ":" 12456 : "Preferred Activities User " + user + ":", " ", 12457 packageName, true, false)) { 12458 dumpState.setTitlePrinted(true); 12459 } 12460 } 12461 } 12462 12463 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12464 pw.flush(); 12465 FileOutputStream fout = new FileOutputStream(fd); 12466 BufferedOutputStream str = new BufferedOutputStream(fout); 12467 XmlSerializer serializer = new FastXmlSerializer(); 12468 try { 12469 serializer.setOutput(str, "utf-8"); 12470 serializer.startDocument(null, true); 12471 serializer.setFeature( 12472 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12473 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12474 serializer.endDocument(); 12475 serializer.flush(); 12476 } catch (IllegalArgumentException e) { 12477 pw.println("Failed writing: " + e); 12478 } catch (IllegalStateException e) { 12479 pw.println("Failed writing: " + e); 12480 } catch (IOException e) { 12481 pw.println("Failed writing: " + e); 12482 } 12483 } 12484 12485 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12486 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12487 if (packageName == null) { 12488 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12489 if (iperm == 0) { 12490 if (dumpState.onTitlePrinted()) 12491 pw.println(); 12492 pw.println("AppOp Permissions:"); 12493 } 12494 pw.print(" AppOp Permission "); 12495 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12496 pw.println(":"); 12497 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12498 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12499 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12500 } 12501 } 12502 } 12503 } 12504 12505 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12506 boolean printedSomething = false; 12507 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12508 if (packageName != null && !packageName.equals(p.info.packageName)) { 12509 continue; 12510 } 12511 if (!printedSomething) { 12512 if (dumpState.onTitlePrinted()) 12513 pw.println(); 12514 pw.println("Registered ContentProviders:"); 12515 printedSomething = true; 12516 } 12517 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12518 pw.print(" "); pw.println(p.toString()); 12519 } 12520 printedSomething = false; 12521 for (Map.Entry<String, PackageParser.Provider> entry : 12522 mProvidersByAuthority.entrySet()) { 12523 PackageParser.Provider p = entry.getValue(); 12524 if (packageName != null && !packageName.equals(p.info.packageName)) { 12525 continue; 12526 } 12527 if (!printedSomething) { 12528 if (dumpState.onTitlePrinted()) 12529 pw.println(); 12530 pw.println("ContentProvider Authorities:"); 12531 printedSomething = true; 12532 } 12533 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12534 pw.print(" "); pw.println(p.toString()); 12535 if (p.info != null && p.info.applicationInfo != null) { 12536 final String appInfo = p.info.applicationInfo.toString(); 12537 pw.print(" applicationInfo="); pw.println(appInfo); 12538 } 12539 } 12540 } 12541 12542 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12543 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12544 } 12545 12546 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12547 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12548 } 12549 12550 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12551 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12552 } 12553 12554 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12555 // XXX should handle packageName != null by dumping only install data that 12556 // the given package is involved with. 12557 if (dumpState.onTitlePrinted()) pw.println(); 12558 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12559 } 12560 12561 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12562 if (dumpState.onTitlePrinted()) pw.println(); 12563 mSettings.dumpReadMessagesLPr(pw, dumpState); 12564 12565 pw.println(); 12566 pw.println("Package warning messages:"); 12567 BufferedReader in = null; 12568 String line = null; 12569 try { 12570 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12571 while ((line = in.readLine()) != null) { 12572 if (line.contains("ignored: updated version")) continue; 12573 pw.println(line); 12574 } 12575 } catch (IOException ignored) { 12576 } finally { 12577 IoUtils.closeQuietly(in); 12578 } 12579 } 12580 12581 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12582 BufferedReader in = null; 12583 String line = null; 12584 try { 12585 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12586 while ((line = in.readLine()) != null) { 12587 if (line.contains("ignored: updated version")) continue; 12588 pw.print("msg,"); 12589 pw.println(line); 12590 } 12591 } catch (IOException ignored) { 12592 } finally { 12593 IoUtils.closeQuietly(in); 12594 } 12595 } 12596 } 12597 } 12598 12599 // ------- apps on sdcard specific code ------- 12600 static final boolean DEBUG_SD_INSTALL = false; 12601 12602 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12603 12604 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12605 12606 private boolean mMediaMounted = false; 12607 12608 static String getEncryptKey() { 12609 try { 12610 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12611 SD_ENCRYPTION_KEYSTORE_NAME); 12612 if (sdEncKey == null) { 12613 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12614 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12615 if (sdEncKey == null) { 12616 Slog.e(TAG, "Failed to create encryption keys"); 12617 return null; 12618 } 12619 } 12620 return sdEncKey; 12621 } catch (NoSuchAlgorithmException nsae) { 12622 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12623 return null; 12624 } catch (IOException ioe) { 12625 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12626 return null; 12627 } 12628 } 12629 12630 /* 12631 * Update media status on PackageManager. 12632 */ 12633 @Override 12634 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12635 int callingUid = Binder.getCallingUid(); 12636 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12637 throw new SecurityException("Media status can only be updated by the system"); 12638 } 12639 // reader; this apparently protects mMediaMounted, but should probably 12640 // be a different lock in that case. 12641 synchronized (mPackages) { 12642 Log.i(TAG, "Updating external media status from " 12643 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12644 + (mediaStatus ? "mounted" : "unmounted")); 12645 if (DEBUG_SD_INSTALL) 12646 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12647 + ", mMediaMounted=" + mMediaMounted); 12648 if (mediaStatus == mMediaMounted) { 12649 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12650 : 0, -1); 12651 mHandler.sendMessage(msg); 12652 return; 12653 } 12654 mMediaMounted = mediaStatus; 12655 } 12656 // Queue up an async operation since the package installation may take a 12657 // little while. 12658 mHandler.post(new Runnable() { 12659 public void run() { 12660 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12661 } 12662 }); 12663 } 12664 12665 /** 12666 * Called by MountService when the initial ASECs to scan are available. 12667 * Should block until all the ASEC containers are finished being scanned. 12668 */ 12669 public void scanAvailableAsecs() { 12670 updateExternalMediaStatusInner(true, false, false); 12671 if (mShouldRestoreconData) { 12672 SELinuxMMAC.setRestoreconDone(); 12673 mShouldRestoreconData = false; 12674 } 12675 } 12676 12677 /* 12678 * Collect information of applications on external media, map them against 12679 * existing containers and update information based on current mount status. 12680 * Please note that we always have to report status if reportStatus has been 12681 * set to true especially when unloading packages. 12682 */ 12683 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12684 boolean externalStorage) { 12685 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12686 int[] uidArr = EmptyArray.INT; 12687 12688 final String[] list = PackageHelper.getSecureContainerList(); 12689 if (ArrayUtils.isEmpty(list)) { 12690 Log.i(TAG, "No secure containers found"); 12691 } else { 12692 // Process list of secure containers and categorize them 12693 // as active or stale based on their package internal state. 12694 12695 // reader 12696 synchronized (mPackages) { 12697 for (String cid : list) { 12698 // Leave stages untouched for now; installer service owns them 12699 if (PackageInstallerService.isStageName(cid)) continue; 12700 12701 if (DEBUG_SD_INSTALL) 12702 Log.i(TAG, "Processing container " + cid); 12703 String pkgName = getAsecPackageName(cid); 12704 if (pkgName == null) { 12705 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12706 continue; 12707 } 12708 if (DEBUG_SD_INSTALL) 12709 Log.i(TAG, "Looking for pkg : " + pkgName); 12710 12711 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12712 if (ps == null) { 12713 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12714 continue; 12715 } 12716 12717 /* 12718 * Skip packages that are not external if we're unmounting 12719 * external storage. 12720 */ 12721 if (externalStorage && !isMounted && !isExternal(ps)) { 12722 continue; 12723 } 12724 12725 final AsecInstallArgs args = new AsecInstallArgs(cid, 12726 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12727 // The package status is changed only if the code path 12728 // matches between settings and the container id. 12729 if (ps.codePathString != null 12730 && ps.codePathString.startsWith(args.getCodePath())) { 12731 if (DEBUG_SD_INSTALL) { 12732 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12733 + " at code path: " + ps.codePathString); 12734 } 12735 12736 // We do have a valid package installed on sdcard 12737 processCids.put(args, ps.codePathString); 12738 final int uid = ps.appId; 12739 if (uid != -1) { 12740 uidArr = ArrayUtils.appendInt(uidArr, uid); 12741 } 12742 } else { 12743 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12744 + ps.codePathString); 12745 } 12746 } 12747 } 12748 12749 Arrays.sort(uidArr); 12750 } 12751 12752 // Process packages with valid entries. 12753 if (isMounted) { 12754 if (DEBUG_SD_INSTALL) 12755 Log.i(TAG, "Loading packages"); 12756 loadMediaPackages(processCids, uidArr); 12757 startCleaningPackages(); 12758 mInstallerService.onSecureContainersAvailable(); 12759 } else { 12760 if (DEBUG_SD_INSTALL) 12761 Log.i(TAG, "Unloading packages"); 12762 unloadMediaPackages(processCids, uidArr, reportStatus); 12763 } 12764 } 12765 12766 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12767 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12768 int size = pkgList.size(); 12769 if (size > 0) { 12770 // Send broadcasts here 12771 Bundle extras = new Bundle(); 12772 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12773 .toArray(new String[size])); 12774 if (uidArr != null) { 12775 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12776 } 12777 if (replacing) { 12778 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12779 } 12780 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12781 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12782 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12783 } 12784 } 12785 12786 /* 12787 * Look at potentially valid container ids from processCids If package 12788 * information doesn't match the one on record or package scanning fails, 12789 * the cid is added to list of removeCids. We currently don't delete stale 12790 * containers. 12791 */ 12792 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12793 ArrayList<String> pkgList = new ArrayList<String>(); 12794 Set<AsecInstallArgs> keys = processCids.keySet(); 12795 12796 for (AsecInstallArgs args : keys) { 12797 String codePath = processCids.get(args); 12798 if (DEBUG_SD_INSTALL) 12799 Log.i(TAG, "Loading container : " + args.cid); 12800 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12801 try { 12802 // Make sure there are no container errors first. 12803 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12804 Slog.e(TAG, "Failed to mount cid : " + args.cid 12805 + " when installing from sdcard"); 12806 continue; 12807 } 12808 // Check code path here. 12809 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12810 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12811 + " does not match one in settings " + codePath); 12812 continue; 12813 } 12814 // Parse package 12815 int parseFlags = mDefParseFlags; 12816 if (args.isExternal()) { 12817 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12818 } 12819 if (args.isFwdLocked()) { 12820 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12821 } 12822 12823 synchronized (mInstallLock) { 12824 PackageParser.Package pkg = null; 12825 try { 12826 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12827 } catch (PackageManagerException e) { 12828 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12829 } 12830 // Scan the package 12831 if (pkg != null) { 12832 /* 12833 * TODO why is the lock being held? doPostInstall is 12834 * called in other places without the lock. This needs 12835 * to be straightened out. 12836 */ 12837 // writer 12838 synchronized (mPackages) { 12839 retCode = PackageManager.INSTALL_SUCCEEDED; 12840 pkgList.add(pkg.packageName); 12841 // Post process args 12842 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12843 pkg.applicationInfo.uid); 12844 } 12845 } else { 12846 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12847 } 12848 } 12849 12850 } finally { 12851 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12852 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12853 } 12854 } 12855 } 12856 // writer 12857 synchronized (mPackages) { 12858 // If the platform SDK has changed since the last time we booted, 12859 // we need to re-grant app permission to catch any new ones that 12860 // appear. This is really a hack, and means that apps can in some 12861 // cases get permissions that the user didn't initially explicitly 12862 // allow... it would be nice to have some better way to handle 12863 // this situation. 12864 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12865 if (regrantPermissions) 12866 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12867 + mSdkVersion + "; regranting permissions for external storage"); 12868 mSettings.mExternalSdkPlatform = mSdkVersion; 12869 12870 // Make sure group IDs have been assigned, and any permission 12871 // changes in other apps are accounted for 12872 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12873 | (regrantPermissions 12874 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12875 : 0)); 12876 12877 mSettings.updateExternalDatabaseVersion(); 12878 12879 // can downgrade to reader 12880 // Persist settings 12881 mSettings.writeLPr(); 12882 } 12883 // Send a broadcast to let everyone know we are done processing 12884 if (pkgList.size() > 0) { 12885 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12886 } 12887 } 12888 12889 /* 12890 * Utility method to unload a list of specified containers 12891 */ 12892 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12893 // Just unmount all valid containers. 12894 for (AsecInstallArgs arg : cidArgs) { 12895 synchronized (mInstallLock) { 12896 arg.doPostDeleteLI(false); 12897 } 12898 } 12899 } 12900 12901 /* 12902 * Unload packages mounted on external media. This involves deleting package 12903 * data from internal structures, sending broadcasts about diabled packages, 12904 * gc'ing to free up references, unmounting all secure containers 12905 * corresponding to packages on external media, and posting a 12906 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12907 * that we always have to post this message if status has been requested no 12908 * matter what. 12909 */ 12910 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12911 final boolean reportStatus) { 12912 if (DEBUG_SD_INSTALL) 12913 Log.i(TAG, "unloading media packages"); 12914 ArrayList<String> pkgList = new ArrayList<String>(); 12915 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12916 final Set<AsecInstallArgs> keys = processCids.keySet(); 12917 for (AsecInstallArgs args : keys) { 12918 String pkgName = args.getPackageName(); 12919 if (DEBUG_SD_INSTALL) 12920 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12921 // Delete package internally 12922 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12923 synchronized (mInstallLock) { 12924 boolean res = deletePackageLI(pkgName, null, false, null, null, 12925 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12926 if (res) { 12927 pkgList.add(pkgName); 12928 } else { 12929 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12930 failedList.add(args); 12931 } 12932 } 12933 } 12934 12935 // reader 12936 synchronized (mPackages) { 12937 // We didn't update the settings after removing each package; 12938 // write them now for all packages. 12939 mSettings.writeLPr(); 12940 } 12941 12942 // We have to absolutely send UPDATED_MEDIA_STATUS only 12943 // after confirming that all the receivers processed the ordered 12944 // broadcast when packages get disabled, force a gc to clean things up. 12945 // and unload all the containers. 12946 if (pkgList.size() > 0) { 12947 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12948 new IIntentReceiver.Stub() { 12949 public void performReceive(Intent intent, int resultCode, String data, 12950 Bundle extras, boolean ordered, boolean sticky, 12951 int sendingUser) throws RemoteException { 12952 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12953 reportStatus ? 1 : 0, 1, keys); 12954 mHandler.sendMessage(msg); 12955 } 12956 }); 12957 } else { 12958 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12959 keys); 12960 mHandler.sendMessage(msg); 12961 } 12962 } 12963 12964 /** Binder call */ 12965 @Override 12966 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12967 final int flags) { 12968 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12969 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12970 int returnCode = PackageManager.MOVE_SUCCEEDED; 12971 int currInstallFlags = 0; 12972 int newInstallFlags = 0; 12973 12974 File codeFile = null; 12975 String installerPackageName = null; 12976 String packageAbiOverride = null; 12977 12978 // reader 12979 synchronized (mPackages) { 12980 final PackageParser.Package pkg = mPackages.get(packageName); 12981 final PackageSetting ps = mSettings.mPackages.get(packageName); 12982 if (pkg == null || ps == null) { 12983 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12984 } else { 12985 // Disable moving fwd locked apps and system packages 12986 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12987 Slog.w(TAG, "Cannot move system application"); 12988 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12989 } else if (pkg.mOperationPending) { 12990 Slog.w(TAG, "Attempt to move package which has pending operations"); 12991 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12992 } else { 12993 // Find install location first 12994 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12995 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12996 Slog.w(TAG, "Ambigous flags specified for move location."); 12997 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12998 } else { 12999 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13000 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13001 currInstallFlags = isExternal(pkg) 13002 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13003 13004 if (newInstallFlags == currInstallFlags) { 13005 Slog.w(TAG, "No move required. Trying to move to same location"); 13006 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13007 } else { 13008 if (pkg.isForwardLocked()) { 13009 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13010 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13011 } 13012 } 13013 } 13014 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13015 pkg.mOperationPending = true; 13016 } 13017 } 13018 13019 codeFile = new File(pkg.codePath); 13020 installerPackageName = ps.installerPackageName; 13021 packageAbiOverride = ps.cpuAbiOverrideString; 13022 } 13023 } 13024 13025 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13026 try { 13027 observer.packageMoved(packageName, returnCode); 13028 } catch (RemoteException ignored) { 13029 } 13030 return; 13031 } 13032 13033 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13034 @Override 13035 public void onUserActionRequired(Intent intent) throws RemoteException { 13036 throw new IllegalStateException(); 13037 } 13038 13039 @Override 13040 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13041 Bundle extras) throws RemoteException { 13042 Slog.d(TAG, "Install result for move: " 13043 + PackageManager.installStatusToString(returnCode, msg)); 13044 13045 // We usually have a new package now after the install, but if 13046 // we failed we need to clear the pending flag on the original 13047 // package object. 13048 synchronized (mPackages) { 13049 final PackageParser.Package pkg = mPackages.get(packageName); 13050 if (pkg != null) { 13051 pkg.mOperationPending = false; 13052 } 13053 } 13054 13055 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13056 switch (status) { 13057 case PackageInstaller.STATUS_SUCCESS: 13058 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13059 break; 13060 case PackageInstaller.STATUS_FAILURE_STORAGE: 13061 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13062 break; 13063 default: 13064 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13065 break; 13066 } 13067 } 13068 }; 13069 13070 // Treat a move like reinstalling an existing app, which ensures that we 13071 // process everythign uniformly, like unpacking native libraries. 13072 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13073 13074 final Message msg = mHandler.obtainMessage(INIT_COPY); 13075 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13076 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13077 installerPackageName, null, user, packageAbiOverride); 13078 mHandler.sendMessage(msg); 13079 } 13080 13081 @Override 13082 public boolean setInstallLocation(int loc) { 13083 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13084 null); 13085 if (getInstallLocation() == loc) { 13086 return true; 13087 } 13088 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13089 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13090 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13091 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13092 return true; 13093 } 13094 return false; 13095 } 13096 13097 @Override 13098 public int getInstallLocation() { 13099 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13100 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13101 PackageHelper.APP_INSTALL_AUTO); 13102 } 13103 13104 /** Called by UserManagerService */ 13105 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13106 mDirtyUsers.remove(userHandle); 13107 mSettings.removeUserLPw(userHandle); 13108 mPendingBroadcasts.remove(userHandle); 13109 if (mInstaller != null) { 13110 // Technically, we shouldn't be doing this with the package lock 13111 // held. However, this is very rare, and there is already so much 13112 // other disk I/O going on, that we'll let it slide for now. 13113 mInstaller.removeUserDataDirs(userHandle); 13114 } 13115 mUserNeedsBadging.delete(userHandle); 13116 removeUnusedPackagesLILPw(userManager, userHandle); 13117 } 13118 13119 /** 13120 * We're removing userHandle and would like to remove any downloaded packages 13121 * that are no longer in use by any other user. 13122 * @param userHandle the user being removed 13123 */ 13124 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13125 final boolean DEBUG_CLEAN_APKS = false; 13126 int [] users = userManager.getUserIdsLPr(); 13127 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13128 while (psit.hasNext()) { 13129 PackageSetting ps = psit.next(); 13130 if (ps.pkg == null) { 13131 continue; 13132 } 13133 final String packageName = ps.pkg.packageName; 13134 // Skip over if system app 13135 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13136 continue; 13137 } 13138 if (DEBUG_CLEAN_APKS) { 13139 Slog.i(TAG, "Checking package " + packageName); 13140 } 13141 boolean keep = false; 13142 for (int i = 0; i < users.length; i++) { 13143 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13144 keep = true; 13145 if (DEBUG_CLEAN_APKS) { 13146 Slog.i(TAG, " Keeping package " + packageName + " for user " 13147 + users[i]); 13148 } 13149 break; 13150 } 13151 } 13152 if (!keep) { 13153 if (DEBUG_CLEAN_APKS) { 13154 Slog.i(TAG, " Removing package " + packageName); 13155 } 13156 mHandler.post(new Runnable() { 13157 public void run() { 13158 deletePackageX(packageName, userHandle, 0); 13159 } //end run 13160 }); 13161 } 13162 } 13163 } 13164 13165 /** Called by UserManagerService */ 13166 void createNewUserLILPw(int userHandle, File path) { 13167 if (mInstaller != null) { 13168 mInstaller.createUserConfig(userHandle); 13169 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13170 } 13171 } 13172 13173 @Override 13174 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13175 mContext.enforceCallingOrSelfPermission( 13176 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13177 "Only package verification agents can read the verifier device identity"); 13178 13179 synchronized (mPackages) { 13180 return mSettings.getVerifierDeviceIdentityLPw(); 13181 } 13182 } 13183 13184 @Override 13185 public void setPermissionEnforced(String permission, boolean enforced) { 13186 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13187 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13188 synchronized (mPackages) { 13189 if (mSettings.mReadExternalStorageEnforced == null 13190 || mSettings.mReadExternalStorageEnforced != enforced) { 13191 mSettings.mReadExternalStorageEnforced = enforced; 13192 mSettings.writeLPr(); 13193 } 13194 } 13195 // kill any non-foreground processes so we restart them and 13196 // grant/revoke the GID. 13197 final IActivityManager am = ActivityManagerNative.getDefault(); 13198 if (am != null) { 13199 final long token = Binder.clearCallingIdentity(); 13200 try { 13201 am.killProcessesBelowForeground("setPermissionEnforcement"); 13202 } catch (RemoteException e) { 13203 } finally { 13204 Binder.restoreCallingIdentity(token); 13205 } 13206 } 13207 } else { 13208 throw new IllegalArgumentException("No selective enforcement for " + permission); 13209 } 13210 } 13211 13212 @Override 13213 @Deprecated 13214 public boolean isPermissionEnforced(String permission) { 13215 return true; 13216 } 13217 13218 @Override 13219 public boolean isStorageLow() { 13220 final long token = Binder.clearCallingIdentity(); 13221 try { 13222 final DeviceStorageMonitorInternal 13223 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13224 if (dsm != null) { 13225 return dsm.isMemoryLow(); 13226 } else { 13227 return false; 13228 } 13229 } finally { 13230 Binder.restoreCallingIdentity(token); 13231 } 13232 } 13233 13234 @Override 13235 public IPackageInstaller getPackageInstaller() { 13236 return mInstallerService; 13237 } 13238 13239 private boolean userNeedsBadging(int userId) { 13240 int index = mUserNeedsBadging.indexOfKey(userId); 13241 if (index < 0) { 13242 final UserInfo userInfo; 13243 final long token = Binder.clearCallingIdentity(); 13244 try { 13245 userInfo = sUserManager.getUserInfo(userId); 13246 } finally { 13247 Binder.restoreCallingIdentity(token); 13248 } 13249 final boolean b; 13250 if (userInfo != null && userInfo.isManagedProfile()) { 13251 b = true; 13252 } else { 13253 b = false; 13254 } 13255 mUserNeedsBadging.put(userId, b); 13256 return b; 13257 } 13258 return mUserNeedsBadging.valueAt(index); 13259 } 13260 13261 @Override 13262 public KeySet getKeySetByAlias(String packageName, String alias) { 13263 if (packageName == null || alias == null) { 13264 return null; 13265 } 13266 synchronized(mPackages) { 13267 final PackageParser.Package pkg = mPackages.get(packageName); 13268 if (pkg == null) { 13269 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13270 throw new IllegalArgumentException("Unknown package: " + packageName); 13271 } 13272 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13273 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13274 } 13275 } 13276 13277 @Override 13278 public KeySet getSigningKeySet(String packageName) { 13279 if (packageName == null) { 13280 return null; 13281 } 13282 synchronized(mPackages) { 13283 final PackageParser.Package pkg = mPackages.get(packageName); 13284 if (pkg == null) { 13285 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13286 throw new IllegalArgumentException("Unknown package: " + packageName); 13287 } 13288 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13289 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13290 throw new SecurityException("May not access signing KeySet of other apps."); 13291 } 13292 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13293 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13294 } 13295 } 13296 13297 @Override 13298 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13299 if (packageName == null || ks == null) { 13300 return false; 13301 } 13302 synchronized(mPackages) { 13303 final PackageParser.Package pkg = mPackages.get(packageName); 13304 if (pkg == null) { 13305 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13306 throw new IllegalArgumentException("Unknown package: " + packageName); 13307 } 13308 IBinder ksh = ks.getToken(); 13309 if (ksh instanceof KeySetHandle) { 13310 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13311 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13312 } 13313 return false; 13314 } 13315 } 13316 13317 @Override 13318 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13319 if (packageName == null || ks == null) { 13320 return false; 13321 } 13322 synchronized(mPackages) { 13323 final PackageParser.Package pkg = mPackages.get(packageName); 13324 if (pkg == null) { 13325 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13326 throw new IllegalArgumentException("Unknown package: " + packageName); 13327 } 13328 IBinder ksh = ks.getToken(); 13329 if (ksh instanceof KeySetHandle) { 13330 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13331 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13332 } 13333 return false; 13334 } 13335 } 13336 13337 public void getUsageStatsIfNoPackageUsageInfo() { 13338 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13339 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13340 if (usm == null) { 13341 throw new IllegalStateException("UsageStatsManager must be initialized"); 13342 } 13343 long now = System.currentTimeMillis(); 13344 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13345 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13346 String packageName = entry.getKey(); 13347 PackageParser.Package pkg = mPackages.get(packageName); 13348 if (pkg == null) { 13349 continue; 13350 } 13351 UsageStats usage = entry.getValue(); 13352 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13353 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13354 } 13355 } 13356 } 13357 13358 /** 13359 * Check and throw if the given before/after packages would be considered a 13360 * downgrade. 13361 */ 13362 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13363 throws PackageManagerException { 13364 if (after.versionCode < before.mVersionCode) { 13365 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13366 "Update version code " + after.versionCode + " is older than current " 13367 + before.mVersionCode); 13368 } else if (after.versionCode == before.mVersionCode) { 13369 if (after.baseRevisionCode < before.baseRevisionCode) { 13370 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13371 "Update base revision code " + after.baseRevisionCode 13372 + " is older than current " + before.baseRevisionCode); 13373 } 13374 13375 if (!ArrayUtils.isEmpty(after.splitNames)) { 13376 for (int i = 0; i < after.splitNames.length; i++) { 13377 final String splitName = after.splitNames[i]; 13378 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13379 if (j != -1) { 13380 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13381 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13382 "Update split " + splitName + " revision code " 13383 + after.splitRevisionCodes[i] + " is older than current " 13384 + before.splitRevisionCodes[j]); 13385 } 13386 } 13387 } 13388 } 13389 } 13390 } 13391} 13392