PackageManagerService.java revision 60b3be3ab5fba871311628dec0538214b4965027
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.server.pm.InstructionSets.getAppDexInstructionSets; 58import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 60import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 61 62import android.util.ArrayMap; 63 64import com.android.internal.R; 65import com.android.internal.app.IMediaContainerService; 66import com.android.internal.app.ResolverActivity; 67import com.android.internal.content.NativeLibraryHelper; 68import com.android.internal.content.PackageHelper; 69import com.android.internal.os.IParcelFileDescriptorFactory; 70import com.android.internal.util.ArrayUtils; 71import com.android.internal.util.FastPrintWriter; 72import com.android.internal.util.FastXmlSerializer; 73import com.android.internal.util.IndentingPrintWriter; 74import com.android.server.EventLogTags; 75import com.android.server.IntentResolver; 76import com.android.server.LocalServices; 77import com.android.server.ServiceThread; 78import com.android.server.SystemConfig; 79import com.android.server.Watchdog; 80import com.android.server.pm.Settings.DatabaseVersion; 81import com.android.server.storage.DeviceStorageMonitorInternal; 82 83import org.xmlpull.v1.XmlSerializer; 84 85import android.app.ActivityManager; 86import android.app.ActivityManagerNative; 87import android.app.AppGlobals; 88import android.app.IActivityManager; 89import android.app.admin.IDevicePolicyManager; 90import android.app.backup.IBackupManager; 91import android.app.usage.UsageStats; 92import android.app.usage.UsageStatsManager; 93import android.content.BroadcastReceiver; 94import android.content.ComponentName; 95import android.content.Context; 96import android.content.IIntentReceiver; 97import android.content.Intent; 98import android.content.IntentFilter; 99import android.content.IntentSender; 100import android.content.IntentSender.SendIntentException; 101import android.content.ServiceConnection; 102import android.content.pm.ActivityInfo; 103import android.content.pm.ApplicationInfo; 104import android.content.pm.FeatureInfo; 105import android.content.pm.IPackageDataObserver; 106import android.content.pm.IPackageDeleteObserver; 107import android.content.pm.IPackageDeleteObserver2; 108import android.content.pm.IPackageInstallObserver2; 109import android.content.pm.IPackageInstaller; 110import android.content.pm.IPackageManager; 111import android.content.pm.IPackageMoveObserver; 112import android.content.pm.IPackageStatsObserver; 113import android.content.pm.InstrumentationInfo; 114import android.content.pm.KeySet; 115import android.content.pm.ManifestDigest; 116import android.content.pm.PackageCleanItem; 117import android.content.pm.PackageInfo; 118import android.content.pm.PackageInfoLite; 119import android.content.pm.PackageInstaller; 120import android.content.pm.PackageManager; 121import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 122import android.content.pm.PackageParser.ActivityIntentInfo; 123import android.content.pm.PackageParser.PackageLite; 124import android.content.pm.PackageParser.PackageParserException; 125import android.content.pm.PackageParser; 126import android.content.pm.PackageStats; 127import android.content.pm.PackageUserState; 128import android.content.pm.ParceledListSlice; 129import android.content.pm.PermissionGroupInfo; 130import android.content.pm.PermissionInfo; 131import android.content.pm.ProviderInfo; 132import android.content.pm.ResolveInfo; 133import android.content.pm.ServiceInfo; 134import android.content.pm.Signature; 135import android.content.pm.UserInfo; 136import android.content.pm.VerificationParams; 137import android.content.pm.VerifierDeviceIdentity; 138import android.content.pm.VerifierInfo; 139import android.content.res.Resources; 140import android.hardware.display.DisplayManager; 141import android.net.Uri; 142import android.os.Binder; 143import android.os.Build; 144import android.os.Bundle; 145import android.os.Environment; 146import android.os.Environment.UserEnvironment; 147import android.os.storage.IMountService; 148import android.os.storage.StorageManager; 149import android.os.Debug; 150import android.os.FileUtils; 151import android.os.Handler; 152import android.os.IBinder; 153import android.os.Looper; 154import android.os.Message; 155import android.os.Parcel; 156import android.os.ParcelFileDescriptor; 157import android.os.Process; 158import android.os.RemoteException; 159import android.os.SELinux; 160import android.os.ServiceManager; 161import android.os.SystemClock; 162import android.os.SystemProperties; 163import android.os.UserHandle; 164import android.os.UserManager; 165import android.security.KeyStore; 166import android.security.SystemKeyStore; 167import android.system.ErrnoException; 168import android.system.Os; 169import android.system.StructStat; 170import android.text.TextUtils; 171import android.text.format.DateUtils; 172import android.util.ArraySet; 173import android.util.AtomicFile; 174import android.util.DisplayMetrics; 175import android.util.EventLog; 176import android.util.ExceptionUtils; 177import android.util.Log; 178import android.util.LogPrinter; 179import android.util.PrintStreamPrinter; 180import android.util.Slog; 181import android.util.SparseArray; 182import android.util.SparseBooleanArray; 183import android.view.Display; 184 185import java.io.BufferedInputStream; 186import java.io.BufferedOutputStream; 187import java.io.BufferedReader; 188import java.io.File; 189import java.io.FileDescriptor; 190import java.io.FileNotFoundException; 191import java.io.FileOutputStream; 192import java.io.FileReader; 193import java.io.FilenameFilter; 194import java.io.IOException; 195import java.io.InputStream; 196import java.io.PrintWriter; 197import java.nio.charset.StandardCharsets; 198import java.security.NoSuchAlgorithmException; 199import java.security.PublicKey; 200import java.security.cert.CertificateEncodingException; 201import java.security.cert.CertificateException; 202import java.text.SimpleDateFormat; 203import java.util.ArrayList; 204import java.util.Arrays; 205import java.util.Collection; 206import java.util.Collections; 207import java.util.Comparator; 208import java.util.Date; 209import java.util.Iterator; 210import java.util.List; 211import java.util.Map; 212import java.util.Objects; 213import java.util.Set; 214import java.util.concurrent.atomic.AtomicBoolean; 215import java.util.concurrent.atomic.AtomicLong; 216 217import dalvik.system.DexFile; 218import dalvik.system.VMRuntime; 219 220import libcore.io.IoUtils; 221import libcore.util.EmptyArray; 222 223/** 224 * Keep track of all those .apks everywhere. 225 * 226 * This is very central to the platform's security; please run the unit 227 * tests whenever making modifications here: 228 * 229mmm frameworks/base/tests/AndroidTests 230adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 231adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 232 * 233 * {@hide} 234 */ 235public class PackageManagerService extends IPackageManager.Stub { 236 static final String TAG = "PackageManager"; 237 static final boolean DEBUG_SETTINGS = false; 238 static final boolean DEBUG_PREFERRED = false; 239 static final boolean DEBUG_UPGRADE = false; 240 private static final boolean DEBUG_INSTALL = false; 241 private static final boolean DEBUG_REMOVE = false; 242 private static final boolean DEBUG_BROADCASTS = false; 243 private static final boolean DEBUG_SHOW_INFO = false; 244 private static final boolean DEBUG_PACKAGE_INFO = false; 245 private static final boolean DEBUG_INTENT_MATCHING = false; 246 private static final boolean DEBUG_PACKAGE_SCANNING = false; 247 private static final boolean DEBUG_VERIFY = false; 248 private static final boolean DEBUG_DEXOPT = false; 249 private static final boolean DEBUG_ABI_SELECTION = false; 250 251 private static final boolean RUNTIME_PERMISSIONS_ENABLED = 252 SystemProperties.getInt("ro.runtime.permissions.enabled", 0) == 1; 253 254 private static final int RADIO_UID = Process.PHONE_UID; 255 private static final int LOG_UID = Process.LOG_UID; 256 private static final int NFC_UID = Process.NFC_UID; 257 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 258 private static final int SHELL_UID = Process.SHELL_UID; 259 260 // Cap the size of permission trees that 3rd party apps can define 261 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 262 263 // Suffix used during package installation when copying/moving 264 // package apks to install directory. 265 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 266 267 static final int SCAN_NO_DEX = 1<<1; 268 static final int SCAN_FORCE_DEX = 1<<2; 269 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 270 static final int SCAN_NEW_INSTALL = 1<<4; 271 static final int SCAN_NO_PATHS = 1<<5; 272 static final int SCAN_UPDATE_TIME = 1<<6; 273 static final int SCAN_DEFER_DEX = 1<<7; 274 static final int SCAN_BOOTING = 1<<8; 275 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 276 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 277 static final int SCAN_REPLACING = 1<<11; 278 static final int SCAN_REQUIRE_KNOWN = 1<<12; 279 280 static final int REMOVE_CHATTY = 1<<16; 281 282 /** 283 * Timeout (in milliseconds) after which the watchdog should declare that 284 * our handler thread is wedged. The usual default for such things is one 285 * minute but we sometimes do very lengthy I/O operations on this thread, 286 * such as installing multi-gigabyte applications, so ours needs to be longer. 287 */ 288 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 289 290 /** 291 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 292 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 293 * settings entry if available, otherwise we use the hardcoded default. If it's been 294 * more than this long since the last fstrim, we force one during the boot sequence. 295 * 296 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 297 * one gets run at the next available charging+idle time. This final mandatory 298 * no-fstrim check kicks in only of the other scheduling criteria is never met. 299 */ 300 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 301 302 /** 303 * Whether verification is enabled by default. 304 */ 305 private static final boolean DEFAULT_VERIFY_ENABLE = true; 306 307 /** 308 * The default maximum time to wait for the verification agent to return in 309 * milliseconds. 310 */ 311 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 312 313 /** 314 * The default response for package verification timeout. 315 * 316 * This can be either PackageManager.VERIFICATION_ALLOW or 317 * PackageManager.VERIFICATION_REJECT. 318 */ 319 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 320 321 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 322 323 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 324 DEFAULT_CONTAINER_PACKAGE, 325 "com.android.defcontainer.DefaultContainerService"); 326 327 private static final String KILL_APP_REASON_GIDS_CHANGED = 328 "permission grant or revoke changed gids"; 329 330 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 331 "permissions revoked"; 332 333 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 334 335 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 336 337 /** Permission grant: not grant the permission. */ 338 private static final int GRANT_DENIED = 1; 339 340 /** Permission grant: grant the permission as an install permission. */ 341 private static final int GRANT_INSTALL = 2; 342 343 /** Permission grant: grant the permission as a runtime one. */ 344 private static final int GRANT_RUNTIME = 3; 345 346 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 347 private static final int GRANT_UPGRADE = 4; 348 349 final ServiceThread mHandlerThread; 350 351 final PackageHandler mHandler; 352 353 /** 354 * Messages for {@link #mHandler} that need to wait for system ready before 355 * being dispatched. 356 */ 357 private ArrayList<Message> mPostSystemReadyMessages; 358 359 final int mSdkVersion = Build.VERSION.SDK_INT; 360 361 final Context mContext; 362 final boolean mFactoryTest; 363 final boolean mOnlyCore; 364 final boolean mLazyDexOpt; 365 final long mDexOptLRUThresholdInMills; 366 final DisplayMetrics mMetrics; 367 final int mDefParseFlags; 368 final String[] mSeparateProcesses; 369 final boolean mIsUpgrade; 370 371 // This is where all application persistent data goes. 372 final File mAppDataDir; 373 374 // This is where all application persistent data goes for secondary users. 375 final File mUserAppDataDir; 376 377 /** The location for ASEC container files on internal storage. */ 378 final String mAsecInternalPath; 379 380 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 381 // LOCK HELD. Can be called with mInstallLock held. 382 final Installer mInstaller; 383 384 /** Directory where installed third-party apps stored */ 385 final File mAppInstallDir; 386 387 /** 388 * Directory to which applications installed internally have their 389 * 32 bit native libraries copied. 390 */ 391 private File mAppLib32InstallDir; 392 393 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 394 // apps. 395 final File mDrmAppPrivateInstallDir; 396 397 // ---------------------------------------------------------------- 398 399 // Lock for state used when installing and doing other long running 400 // operations. Methods that must be called with this lock held have 401 // the suffix "LI". 402 final Object mInstallLock = new Object(); 403 404 // ---------------------------------------------------------------- 405 406 // Keys are String (package name), values are Package. This also serves 407 // as the lock for the global state. Methods that must be called with 408 // this lock held have the prefix "LP". 409 final ArrayMap<String, PackageParser.Package> mPackages = 410 new ArrayMap<String, PackageParser.Package>(); 411 412 // Tracks available target package names -> overlay package paths. 413 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 414 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 415 416 final Settings mSettings; 417 boolean mRestoredSettings; 418 419 // System configuration read by SystemConfig. 420 final int[] mGlobalGids; 421 final SparseArray<ArraySet<String>> mSystemPermissions; 422 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 423 424 // If mac_permissions.xml was found for seinfo labeling. 425 boolean mFoundPolicyFile; 426 427 // If a recursive restorecon of /data/data/<pkg> is needed. 428 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 429 430 public static final class SharedLibraryEntry { 431 public final String path; 432 public final String apk; 433 434 SharedLibraryEntry(String _path, String _apk) { 435 path = _path; 436 apk = _apk; 437 } 438 } 439 440 // Currently known shared libraries. 441 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 442 new ArrayMap<String, SharedLibraryEntry>(); 443 444 // All available activities, for your resolving pleasure. 445 final ActivityIntentResolver mActivities = 446 new ActivityIntentResolver(); 447 448 // All available receivers, for your resolving pleasure. 449 final ActivityIntentResolver mReceivers = 450 new ActivityIntentResolver(); 451 452 // All available services, for your resolving pleasure. 453 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 454 455 // All available providers, for your resolving pleasure. 456 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 457 458 // Mapping from provider base names (first directory in content URI codePath) 459 // to the provider information. 460 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 461 new ArrayMap<String, PackageParser.Provider>(); 462 463 // Mapping from instrumentation class names to info about them. 464 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 465 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 466 467 // Mapping from permission names to info about them. 468 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 469 new ArrayMap<String, PackageParser.PermissionGroup>(); 470 471 // Packages whose data we have transfered into another package, thus 472 // should no longer exist. 473 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 474 475 // Broadcast actions that are only available to the system. 476 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 477 478 /** List of packages waiting for verification. */ 479 final SparseArray<PackageVerificationState> mPendingVerification 480 = new SparseArray<PackageVerificationState>(); 481 482 /** Set of packages associated with each app op permission. */ 483 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 484 485 final PackageInstallerService mInstallerService; 486 487 private final PackageDexOptimizer mPackageDexOptimizer; 488 // Cache of users who need badging. 489 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 490 491 /** Token for keys in mPendingVerification. */ 492 private int mPendingVerificationToken = 0; 493 494 volatile boolean mSystemReady; 495 volatile boolean mSafeMode; 496 volatile boolean mHasSystemUidErrors; 497 498 ApplicationInfo mAndroidApplication; 499 final ActivityInfo mResolveActivity = new ActivityInfo(); 500 final ResolveInfo mResolveInfo = new ResolveInfo(); 501 ComponentName mResolveComponentName; 502 PackageParser.Package mPlatformPackage; 503 ComponentName mCustomResolverComponentName; 504 505 boolean mResolverReplaced = false; 506 507 // Set of pending broadcasts for aggregating enable/disable of components. 508 static class PendingPackageBroadcasts { 509 // for each user id, a map of <package name -> components within that package> 510 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 511 512 public PendingPackageBroadcasts() { 513 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 514 } 515 516 public ArrayList<String> get(int userId, String packageName) { 517 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 518 return packages.get(packageName); 519 } 520 521 public void put(int userId, String packageName, ArrayList<String> components) { 522 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 523 packages.put(packageName, components); 524 } 525 526 public void remove(int userId, String packageName) { 527 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 528 if (packages != null) { 529 packages.remove(packageName); 530 } 531 } 532 533 public void remove(int userId) { 534 mUidMap.remove(userId); 535 } 536 537 public int userIdCount() { 538 return mUidMap.size(); 539 } 540 541 public int userIdAt(int n) { 542 return mUidMap.keyAt(n); 543 } 544 545 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 546 return mUidMap.get(userId); 547 } 548 549 public int size() { 550 // total number of pending broadcast entries across all userIds 551 int num = 0; 552 for (int i = 0; i< mUidMap.size(); i++) { 553 num += mUidMap.valueAt(i).size(); 554 } 555 return num; 556 } 557 558 public void clear() { 559 mUidMap.clear(); 560 } 561 562 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 563 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 564 if (map == null) { 565 map = new ArrayMap<String, ArrayList<String>>(); 566 mUidMap.put(userId, map); 567 } 568 return map; 569 } 570 } 571 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 572 573 // Service Connection to remote media container service to copy 574 // package uri's from external media onto secure containers 575 // or internal storage. 576 private IMediaContainerService mContainerService = null; 577 578 static final int SEND_PENDING_BROADCAST = 1; 579 static final int MCS_BOUND = 3; 580 static final int END_COPY = 4; 581 static final int INIT_COPY = 5; 582 static final int MCS_UNBIND = 6; 583 static final int START_CLEANING_PACKAGE = 7; 584 static final int FIND_INSTALL_LOC = 8; 585 static final int POST_INSTALL = 9; 586 static final int MCS_RECONNECT = 10; 587 static final int MCS_GIVE_UP = 11; 588 static final int UPDATED_MEDIA_STATUS = 12; 589 static final int WRITE_SETTINGS = 13; 590 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 591 static final int PACKAGE_VERIFIED = 15; 592 static final int CHECK_PENDING_VERIFICATION = 16; 593 594 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 595 596 // Delay time in millisecs 597 static final int BROADCAST_DELAY = 10 * 1000; 598 599 static UserManagerService sUserManager; 600 601 // Stores a list of users whose package restrictions file needs to be updated 602 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 603 604 final private DefaultContainerConnection mDefContainerConn = 605 new DefaultContainerConnection(); 606 class DefaultContainerConnection implements ServiceConnection { 607 public void onServiceConnected(ComponentName name, IBinder service) { 608 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 609 IMediaContainerService imcs = 610 IMediaContainerService.Stub.asInterface(service); 611 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 612 } 613 614 public void onServiceDisconnected(ComponentName name) { 615 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 616 } 617 }; 618 619 // Recordkeeping of restore-after-install operations that are currently in flight 620 // between the Package Manager and the Backup Manager 621 class PostInstallData { 622 public InstallArgs args; 623 public PackageInstalledInfo res; 624 625 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 626 args = _a; 627 res = _r; 628 } 629 }; 630 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 631 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 632 633 private final String mRequiredVerifierPackage; 634 635 private final PackageUsage mPackageUsage = new PackageUsage(); 636 637 private class PackageUsage { 638 private static final int WRITE_INTERVAL 639 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 640 641 private final Object mFileLock = new Object(); 642 private final AtomicLong mLastWritten = new AtomicLong(0); 643 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 644 645 private boolean mIsHistoricalPackageUsageAvailable = true; 646 647 boolean isHistoricalPackageUsageAvailable() { 648 return mIsHistoricalPackageUsageAvailable; 649 } 650 651 void write(boolean force) { 652 if (force) { 653 writeInternal(); 654 return; 655 } 656 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 657 && !DEBUG_DEXOPT) { 658 return; 659 } 660 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 661 new Thread("PackageUsage_DiskWriter") { 662 @Override 663 public void run() { 664 try { 665 writeInternal(); 666 } finally { 667 mBackgroundWriteRunning.set(false); 668 } 669 } 670 }.start(); 671 } 672 } 673 674 private void writeInternal() { 675 synchronized (mPackages) { 676 synchronized (mFileLock) { 677 AtomicFile file = getFile(); 678 FileOutputStream f = null; 679 try { 680 f = file.startWrite(); 681 BufferedOutputStream out = new BufferedOutputStream(f); 682 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 683 StringBuilder sb = new StringBuilder(); 684 for (PackageParser.Package pkg : mPackages.values()) { 685 if (pkg.mLastPackageUsageTimeInMills == 0) { 686 continue; 687 } 688 sb.setLength(0); 689 sb.append(pkg.packageName); 690 sb.append(' '); 691 sb.append((long)pkg.mLastPackageUsageTimeInMills); 692 sb.append('\n'); 693 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 694 } 695 out.flush(); 696 file.finishWrite(f); 697 } catch (IOException e) { 698 if (f != null) { 699 file.failWrite(f); 700 } 701 Log.e(TAG, "Failed to write package usage times", e); 702 } 703 } 704 } 705 mLastWritten.set(SystemClock.elapsedRealtime()); 706 } 707 708 void readLP() { 709 synchronized (mFileLock) { 710 AtomicFile file = getFile(); 711 BufferedInputStream in = null; 712 try { 713 in = new BufferedInputStream(file.openRead()); 714 StringBuffer sb = new StringBuffer(); 715 while (true) { 716 String packageName = readToken(in, sb, ' '); 717 if (packageName == null) { 718 break; 719 } 720 String timeInMillisString = readToken(in, sb, '\n'); 721 if (timeInMillisString == null) { 722 throw new IOException("Failed to find last usage time for package " 723 + packageName); 724 } 725 PackageParser.Package pkg = mPackages.get(packageName); 726 if (pkg == null) { 727 continue; 728 } 729 long timeInMillis; 730 try { 731 timeInMillis = Long.parseLong(timeInMillisString.toString()); 732 } catch (NumberFormatException e) { 733 throw new IOException("Failed to parse " + timeInMillisString 734 + " as a long.", e); 735 } 736 pkg.mLastPackageUsageTimeInMills = timeInMillis; 737 } 738 } catch (FileNotFoundException expected) { 739 mIsHistoricalPackageUsageAvailable = false; 740 } catch (IOException e) { 741 Log.w(TAG, "Failed to read package usage times", e); 742 } finally { 743 IoUtils.closeQuietly(in); 744 } 745 } 746 mLastWritten.set(SystemClock.elapsedRealtime()); 747 } 748 749 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 750 throws IOException { 751 sb.setLength(0); 752 while (true) { 753 int ch = in.read(); 754 if (ch == -1) { 755 if (sb.length() == 0) { 756 return null; 757 } 758 throw new IOException("Unexpected EOF"); 759 } 760 if (ch == endOfToken) { 761 return sb.toString(); 762 } 763 sb.append((char)ch); 764 } 765 } 766 767 private AtomicFile getFile() { 768 File dataDir = Environment.getDataDirectory(); 769 File systemDir = new File(dataDir, "system"); 770 File fname = new File(systemDir, "package-usage.list"); 771 return new AtomicFile(fname); 772 } 773 } 774 775 class PackageHandler extends Handler { 776 private boolean mBound = false; 777 final ArrayList<HandlerParams> mPendingInstalls = 778 new ArrayList<HandlerParams>(); 779 780 private boolean connectToService() { 781 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 782 " DefaultContainerService"); 783 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 784 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 785 if (mContext.bindServiceAsUser(service, mDefContainerConn, 786 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 787 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 788 mBound = true; 789 return true; 790 } 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 return false; 793 } 794 795 private void disconnectService() { 796 mContainerService = null; 797 mBound = false; 798 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 799 mContext.unbindService(mDefContainerConn); 800 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 801 } 802 803 PackageHandler(Looper looper) { 804 super(looper); 805 } 806 807 public void handleMessage(Message msg) { 808 try { 809 doHandleMessage(msg); 810 } finally { 811 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 812 } 813 } 814 815 void doHandleMessage(Message msg) { 816 switch (msg.what) { 817 case INIT_COPY: { 818 HandlerParams params = (HandlerParams) msg.obj; 819 int idx = mPendingInstalls.size(); 820 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 821 // If a bind was already initiated we dont really 822 // need to do anything. The pending install 823 // will be processed later on. 824 if (!mBound) { 825 // If this is the only one pending we might 826 // have to bind to the service again. 827 if (!connectToService()) { 828 Slog.e(TAG, "Failed to bind to media container service"); 829 params.serviceError(); 830 return; 831 } else { 832 // Once we bind to the service, the first 833 // pending request will be processed. 834 mPendingInstalls.add(idx, params); 835 } 836 } else { 837 mPendingInstalls.add(idx, params); 838 // Already bound to the service. Just make 839 // sure we trigger off processing the first request. 840 if (idx == 0) { 841 mHandler.sendEmptyMessage(MCS_BOUND); 842 } 843 } 844 break; 845 } 846 case MCS_BOUND: { 847 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 848 if (msg.obj != null) { 849 mContainerService = (IMediaContainerService) msg.obj; 850 } 851 if (mContainerService == null) { 852 // Something seriously wrong. Bail out 853 Slog.e(TAG, "Cannot bind to media container service"); 854 for (HandlerParams params : mPendingInstalls) { 855 // Indicate service bind error 856 params.serviceError(); 857 } 858 mPendingInstalls.clear(); 859 } else if (mPendingInstalls.size() > 0) { 860 HandlerParams params = mPendingInstalls.get(0); 861 if (params != null) { 862 if (params.startCopy()) { 863 // We are done... look for more work or to 864 // go idle. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Checking for more work or unbind..."); 867 // Delete pending install 868 if (mPendingInstalls.size() > 0) { 869 mPendingInstalls.remove(0); 870 } 871 if (mPendingInstalls.size() == 0) { 872 if (mBound) { 873 if (DEBUG_SD_INSTALL) Log.i(TAG, 874 "Posting delayed MCS_UNBIND"); 875 removeMessages(MCS_UNBIND); 876 Message ubmsg = obtainMessage(MCS_UNBIND); 877 // Unbind after a little delay, to avoid 878 // continual thrashing. 879 sendMessageDelayed(ubmsg, 10000); 880 } 881 } else { 882 // There are more pending requests in queue. 883 // Just post MCS_BOUND message to trigger processing 884 // of next pending install. 885 if (DEBUG_SD_INSTALL) Log.i(TAG, 886 "Posting MCS_BOUND for next work"); 887 mHandler.sendEmptyMessage(MCS_BOUND); 888 } 889 } 890 } 891 } else { 892 // Should never happen ideally. 893 Slog.w(TAG, "Empty queue"); 894 } 895 break; 896 } 897 case MCS_RECONNECT: { 898 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 899 if (mPendingInstalls.size() > 0) { 900 if (mBound) { 901 disconnectService(); 902 } 903 if (!connectToService()) { 904 Slog.e(TAG, "Failed to bind to media container service"); 905 for (HandlerParams params : mPendingInstalls) { 906 // Indicate service bind error 907 params.serviceError(); 908 } 909 mPendingInstalls.clear(); 910 } 911 } 912 break; 913 } 914 case MCS_UNBIND: { 915 // If there is no actual work left, then time to unbind. 916 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 917 918 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 919 if (mBound) { 920 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 921 922 disconnectService(); 923 } 924 } else if (mPendingInstalls.size() > 0) { 925 // There are more pending requests in queue. 926 // Just post MCS_BOUND message to trigger processing 927 // of next pending install. 928 mHandler.sendEmptyMessage(MCS_BOUND); 929 } 930 931 break; 932 } 933 case MCS_GIVE_UP: { 934 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 935 mPendingInstalls.remove(0); 936 break; 937 } 938 case SEND_PENDING_BROADCAST: { 939 String packages[]; 940 ArrayList<String> components[]; 941 int size = 0; 942 int uids[]; 943 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 944 synchronized (mPackages) { 945 if (mPendingBroadcasts == null) { 946 return; 947 } 948 size = mPendingBroadcasts.size(); 949 if (size <= 0) { 950 // Nothing to be done. Just return 951 return; 952 } 953 packages = new String[size]; 954 components = new ArrayList[size]; 955 uids = new int[size]; 956 int i = 0; // filling out the above arrays 957 958 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 959 int packageUserId = mPendingBroadcasts.userIdAt(n); 960 Iterator<Map.Entry<String, ArrayList<String>>> it 961 = mPendingBroadcasts.packagesForUserId(packageUserId) 962 .entrySet().iterator(); 963 while (it.hasNext() && i < size) { 964 Map.Entry<String, ArrayList<String>> ent = it.next(); 965 packages[i] = ent.getKey(); 966 components[i] = ent.getValue(); 967 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 968 uids[i] = (ps != null) 969 ? UserHandle.getUid(packageUserId, ps.appId) 970 : -1; 971 i++; 972 } 973 } 974 size = i; 975 mPendingBroadcasts.clear(); 976 } 977 // Send broadcasts 978 for (int i = 0; i < size; i++) { 979 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 break; 983 } 984 case START_CLEANING_PACKAGE: { 985 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 986 final String packageName = (String)msg.obj; 987 final int userId = msg.arg1; 988 final boolean andCode = msg.arg2 != 0; 989 synchronized (mPackages) { 990 if (userId == UserHandle.USER_ALL) { 991 int[] users = sUserManager.getUserIds(); 992 for (int user : users) { 993 mSettings.addPackageToCleanLPw( 994 new PackageCleanItem(user, packageName, andCode)); 995 } 996 } else { 997 mSettings.addPackageToCleanLPw( 998 new PackageCleanItem(userId, packageName, andCode)); 999 } 1000 } 1001 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1002 startCleaningPackages(); 1003 } break; 1004 case POST_INSTALL: { 1005 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1006 PostInstallData data = mRunningInstalls.get(msg.arg1); 1007 mRunningInstalls.delete(msg.arg1); 1008 boolean deleteOld = false; 1009 1010 if (data != null) { 1011 InstallArgs args = data.args; 1012 PackageInstalledInfo res = data.res; 1013 1014 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1015 res.removedInfo.sendBroadcast(false, true, false); 1016 Bundle extras = new Bundle(1); 1017 extras.putInt(Intent.EXTRA_UID, res.uid); 1018 1019 // Now that we successfully installed the package, grant runtime 1020 // permissions if requested before broadcasting the install. 1021 if ((args.installFlags 1022 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1023 grantRequestedRuntimePermissions(res.pkg, 1024 args.user.getIdentifier()); 1025 } 1026 1027 // Determine the set of users who are adding this 1028 // package for the first time vs. those who are seeing 1029 // an update. 1030 int[] firstUsers; 1031 int[] updateUsers = new int[0]; 1032 if (res.origUsers == null || res.origUsers.length == 0) { 1033 firstUsers = res.newUsers; 1034 } else { 1035 firstUsers = new int[0]; 1036 for (int i=0; i<res.newUsers.length; i++) { 1037 int user = res.newUsers[i]; 1038 boolean isNew = true; 1039 for (int j=0; j<res.origUsers.length; j++) { 1040 if (res.origUsers[j] == user) { 1041 isNew = false; 1042 break; 1043 } 1044 } 1045 if (isNew) { 1046 int[] newFirst = new int[firstUsers.length+1]; 1047 System.arraycopy(firstUsers, 0, newFirst, 0, 1048 firstUsers.length); 1049 newFirst[firstUsers.length] = user; 1050 firstUsers = newFirst; 1051 } else { 1052 int[] newUpdate = new int[updateUsers.length+1]; 1053 System.arraycopy(updateUsers, 0, newUpdate, 0, 1054 updateUsers.length); 1055 newUpdate[updateUsers.length] = user; 1056 updateUsers = newUpdate; 1057 } 1058 } 1059 } 1060 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1061 res.pkg.applicationInfo.packageName, 1062 extras, null, null, firstUsers); 1063 final boolean update = res.removedInfo.removedPackage != null; 1064 if (update) { 1065 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1066 } 1067 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1068 res.pkg.applicationInfo.packageName, 1069 extras, null, null, updateUsers); 1070 if (update) { 1071 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1072 res.pkg.applicationInfo.packageName, 1073 extras, null, null, updateUsers); 1074 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1075 null, null, 1076 res.pkg.applicationInfo.packageName, null, updateUsers); 1077 1078 // treat asec-hosted packages like removable media on upgrade 1079 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1080 if (DEBUG_INSTALL) { 1081 Slog.i(TAG, "upgrading pkg " + res.pkg 1082 + " is ASEC-hosted -> AVAILABLE"); 1083 } 1084 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1085 ArrayList<String> pkgList = new ArrayList<String>(1); 1086 pkgList.add(res.pkg.applicationInfo.packageName); 1087 sendResourcesChangedBroadcast(true, true, 1088 pkgList,uidArray, null); 1089 } 1090 } 1091 if (res.removedInfo.args != null) { 1092 // Remove the replaced package's older resources safely now 1093 deleteOld = true; 1094 } 1095 1096 // Log current value of "unknown sources" setting 1097 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1098 getUnknownSourcesSettings()); 1099 } 1100 // Force a gc to clear up things 1101 Runtime.getRuntime().gc(); 1102 // We delete after a gc for applications on sdcard. 1103 if (deleteOld) { 1104 synchronized (mInstallLock) { 1105 res.removedInfo.args.doPostDeleteLI(true); 1106 } 1107 } 1108 if (args.observer != null) { 1109 try { 1110 Bundle extras = extrasForInstallResult(res); 1111 args.observer.onPackageInstalled(res.name, res.returnCode, 1112 res.returnMsg, extras); 1113 } catch (RemoteException e) { 1114 Slog.i(TAG, "Observer no longer exists."); 1115 } 1116 } 1117 } else { 1118 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1119 } 1120 } break; 1121 case UPDATED_MEDIA_STATUS: { 1122 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1123 boolean reportStatus = msg.arg1 == 1; 1124 boolean doGc = msg.arg2 == 1; 1125 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1126 if (doGc) { 1127 // Force a gc to clear up stale containers. 1128 Runtime.getRuntime().gc(); 1129 } 1130 if (msg.obj != null) { 1131 @SuppressWarnings("unchecked") 1132 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1133 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1134 // Unload containers 1135 unloadAllContainers(args); 1136 } 1137 if (reportStatus) { 1138 try { 1139 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1140 PackageHelper.getMountService().finishMediaUpdate(); 1141 } catch (RemoteException e) { 1142 Log.e(TAG, "MountService not running?"); 1143 } 1144 } 1145 } break; 1146 case WRITE_SETTINGS: { 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1148 synchronized (mPackages) { 1149 removeMessages(WRITE_SETTINGS); 1150 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1151 mSettings.writeLPr(); 1152 mDirtyUsers.clear(); 1153 } 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1155 } break; 1156 case WRITE_PACKAGE_RESTRICTIONS: { 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1158 synchronized (mPackages) { 1159 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1160 for (int userId : mDirtyUsers) { 1161 mSettings.writePackageRestrictionsLPr(userId); 1162 } 1163 mDirtyUsers.clear(); 1164 } 1165 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1166 } break; 1167 case CHECK_PENDING_VERIFICATION: { 1168 final int verificationId = msg.arg1; 1169 final PackageVerificationState state = mPendingVerification.get(verificationId); 1170 1171 if ((state != null) && !state.timeoutExtended()) { 1172 final InstallArgs args = state.getInstallArgs(); 1173 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1174 1175 Slog.i(TAG, "Verification timed out for " + originUri); 1176 mPendingVerification.remove(verificationId); 1177 1178 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1179 1180 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1181 Slog.i(TAG, "Continuing with installation of " + originUri); 1182 state.setVerifierResponse(Binder.getCallingUid(), 1183 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1184 broadcastPackageVerified(verificationId, originUri, 1185 PackageManager.VERIFICATION_ALLOW, 1186 state.getInstallArgs().getUser()); 1187 try { 1188 ret = args.copyApk(mContainerService, true); 1189 } catch (RemoteException e) { 1190 Slog.e(TAG, "Could not contact the ContainerService"); 1191 } 1192 } else { 1193 broadcastPackageVerified(verificationId, originUri, 1194 PackageManager.VERIFICATION_REJECT, 1195 state.getInstallArgs().getUser()); 1196 } 1197 1198 processPendingInstall(args, ret); 1199 mHandler.sendEmptyMessage(MCS_UNBIND); 1200 } 1201 break; 1202 } 1203 case PACKAGE_VERIFIED: { 1204 final int verificationId = msg.arg1; 1205 1206 final PackageVerificationState state = mPendingVerification.get(verificationId); 1207 if (state == null) { 1208 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1209 break; 1210 } 1211 1212 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1213 1214 state.setVerifierResponse(response.callerUid, response.code); 1215 1216 if (state.isVerificationComplete()) { 1217 mPendingVerification.remove(verificationId); 1218 1219 final InstallArgs args = state.getInstallArgs(); 1220 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1221 1222 int ret; 1223 if (state.isInstallAllowed()) { 1224 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1225 broadcastPackageVerified(verificationId, originUri, 1226 response.code, state.getInstallArgs().getUser()); 1227 try { 1228 ret = args.copyApk(mContainerService, true); 1229 } catch (RemoteException e) { 1230 Slog.e(TAG, "Could not contact the ContainerService"); 1231 } 1232 } else { 1233 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1234 } 1235 1236 processPendingInstall(args, ret); 1237 1238 mHandler.sendEmptyMessage(MCS_UNBIND); 1239 } 1240 1241 break; 1242 } 1243 } 1244 } 1245 } 1246 1247 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) { 1248 if (userId >= UserHandle.USER_OWNER) { 1249 grantRequestedRuntimePermissionsForUser(pkg, userId); 1250 } else if (userId == UserHandle.USER_ALL) { 1251 for (int someUserId : UserManagerService.getInstance().getUserIds()) { 1252 grantRequestedRuntimePermissionsForUser(pkg, someUserId); 1253 } 1254 } 1255 } 1256 1257 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) { 1258 SettingBase sb = (SettingBase) pkg.mExtras; 1259 if (sb == null) { 1260 return; 1261 } 1262 1263 PermissionsState permissionsState = sb.getPermissionsState(); 1264 1265 for (String permission : pkg.requestedPermissions) { 1266 BasePermission bp = mSettings.mPermissions.get(permission); 1267 if (bp != null && bp.isRuntime()) { 1268 permissionsState.grantRuntimePermission(bp, userId); 1269 } 1270 } 1271 } 1272 1273 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1274 Bundle extras = null; 1275 switch (res.returnCode) { 1276 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1277 extras = new Bundle(); 1278 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1279 res.origPermission); 1280 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1281 res.origPackage); 1282 break; 1283 } 1284 } 1285 return extras; 1286 } 1287 1288 void scheduleWriteSettingsLocked() { 1289 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1290 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1291 } 1292 } 1293 1294 void scheduleWritePackageRestrictionsLocked(int userId) { 1295 if (!sUserManager.exists(userId)) return; 1296 mDirtyUsers.add(userId); 1297 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1298 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1299 } 1300 } 1301 1302 public static PackageManagerService main(Context context, Installer installer, 1303 boolean factoryTest, boolean onlyCore) { 1304 PackageManagerService m = new PackageManagerService(context, installer, 1305 factoryTest, onlyCore); 1306 ServiceManager.addService("package", m); 1307 return m; 1308 } 1309 1310 static String[] splitString(String str, char sep) { 1311 int count = 1; 1312 int i = 0; 1313 while ((i=str.indexOf(sep, i)) >= 0) { 1314 count++; 1315 i++; 1316 } 1317 1318 String[] res = new String[count]; 1319 i=0; 1320 count = 0; 1321 int lastI=0; 1322 while ((i=str.indexOf(sep, i)) >= 0) { 1323 res[count] = str.substring(lastI, i); 1324 count++; 1325 i++; 1326 lastI = i; 1327 } 1328 res[count] = str.substring(lastI, str.length()); 1329 return res; 1330 } 1331 1332 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1333 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1334 Context.DISPLAY_SERVICE); 1335 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1336 } 1337 1338 public PackageManagerService(Context context, Installer installer, 1339 boolean factoryTest, boolean onlyCore) { 1340 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1341 SystemClock.uptimeMillis()); 1342 1343 if (mSdkVersion <= 0) { 1344 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1345 } 1346 1347 mContext = context; 1348 mFactoryTest = factoryTest; 1349 mOnlyCore = onlyCore; 1350 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1351 mMetrics = new DisplayMetrics(); 1352 mSettings = new Settings(mContext, mPackages); 1353 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1354 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1355 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1356 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1357 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1358 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1359 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1360 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1361 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1362 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1363 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1364 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1365 1366 // TODO: add a property to control this? 1367 long dexOptLRUThresholdInMinutes; 1368 if (mLazyDexOpt) { 1369 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1370 } else { 1371 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1372 } 1373 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1374 1375 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1376 if (separateProcesses != null && separateProcesses.length() > 0) { 1377 if ("*".equals(separateProcesses)) { 1378 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1379 mSeparateProcesses = null; 1380 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1381 } else { 1382 mDefParseFlags = 0; 1383 mSeparateProcesses = separateProcesses.split(","); 1384 Slog.w(TAG, "Running with debug.separate_processes: " 1385 + separateProcesses); 1386 } 1387 } else { 1388 mDefParseFlags = 0; 1389 mSeparateProcesses = null; 1390 } 1391 1392 mInstaller = installer; 1393 mPackageDexOptimizer = new PackageDexOptimizer(this); 1394 1395 getDefaultDisplayMetrics(context, mMetrics); 1396 1397 SystemConfig systemConfig = SystemConfig.getInstance(); 1398 mGlobalGids = systemConfig.getGlobalGids(); 1399 mSystemPermissions = systemConfig.getSystemPermissions(); 1400 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1401 1402 synchronized (mInstallLock) { 1403 // writer 1404 synchronized (mPackages) { 1405 mHandlerThread = new ServiceThread(TAG, 1406 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1407 mHandlerThread.start(); 1408 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1409 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1410 1411 File dataDir = Environment.getDataDirectory(); 1412 mAppDataDir = new File(dataDir, "data"); 1413 mAppInstallDir = new File(dataDir, "app"); 1414 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1415 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1416 mUserAppDataDir = new File(dataDir, "user"); 1417 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1418 1419 sUserManager = new UserManagerService(context, this, 1420 mInstallLock, mPackages); 1421 1422 // Propagate permission configuration in to package manager. 1423 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1424 = systemConfig.getPermissions(); 1425 for (int i=0; i<permConfig.size(); i++) { 1426 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1427 BasePermission bp = mSettings.mPermissions.get(perm.name); 1428 if (bp == null) { 1429 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1430 mSettings.mPermissions.put(perm.name, bp); 1431 } 1432 if (perm.gids != null) { 1433 bp.setGids(perm.gids, perm.perUser); 1434 } 1435 } 1436 1437 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1438 for (int i=0; i<libConfig.size(); i++) { 1439 mSharedLibraries.put(libConfig.keyAt(i), 1440 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1441 } 1442 1443 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1444 1445 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1446 mSdkVersion, mOnlyCore); 1447 1448 String customResolverActivity = Resources.getSystem().getString( 1449 R.string.config_customResolverActivity); 1450 if (TextUtils.isEmpty(customResolverActivity)) { 1451 customResolverActivity = null; 1452 } else { 1453 mCustomResolverComponentName = ComponentName.unflattenFromString( 1454 customResolverActivity); 1455 } 1456 1457 long startTime = SystemClock.uptimeMillis(); 1458 1459 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1460 startTime); 1461 1462 // Set flag to monitor and not change apk file paths when 1463 // scanning install directories. 1464 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1465 1466 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1467 1468 /** 1469 * Add everything in the in the boot class path to the 1470 * list of process files because dexopt will have been run 1471 * if necessary during zygote startup. 1472 */ 1473 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1474 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1475 1476 if (bootClassPath != null) { 1477 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1478 for (String element : bootClassPathElements) { 1479 alreadyDexOpted.add(element); 1480 } 1481 } else { 1482 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1483 } 1484 1485 if (systemServerClassPath != null) { 1486 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1487 for (String element : systemServerClassPathElements) { 1488 alreadyDexOpted.add(element); 1489 } 1490 } else { 1491 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1492 } 1493 1494 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1495 final String[] dexCodeInstructionSets = 1496 getDexCodeInstructionSets( 1497 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1498 1499 /** 1500 * Ensure all external libraries have had dexopt run on them. 1501 */ 1502 if (mSharedLibraries.size() > 0) { 1503 // NOTE: For now, we're compiling these system "shared libraries" 1504 // (and framework jars) into all available architectures. It's possible 1505 // to compile them only when we come across an app that uses them (there's 1506 // already logic for that in scanPackageLI) but that adds some complexity. 1507 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1508 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1509 final String lib = libEntry.path; 1510 if (lib == null) { 1511 continue; 1512 } 1513 1514 try { 1515 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1516 dexCodeInstructionSet, 1517 false); 1518 if (dexoptRequired != DexFile.UP_TO_DATE) { 1519 alreadyDexOpted.add(lib); 1520 1521 // The list of "shared libraries" we have at this point is 1522 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1523 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1524 } else { 1525 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1526 } 1527 } 1528 } catch (FileNotFoundException e) { 1529 Slog.w(TAG, "Library not found: " + lib); 1530 } catch (IOException e) { 1531 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1532 + e.getMessage()); 1533 } 1534 } 1535 } 1536 } 1537 1538 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1539 1540 // Gross hack for now: we know this file doesn't contain any 1541 // code, so don't dexopt it to avoid the resulting log spew. 1542 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1543 1544 // Gross hack for now: we know this file is only part of 1545 // the boot class path for art, so don't dexopt it to 1546 // avoid the resulting log spew. 1547 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1548 1549 /** 1550 * And there are a number of commands implemented in Java, which 1551 * we currently need to do the dexopt on so that they can be 1552 * run from a non-root shell. 1553 */ 1554 String[] frameworkFiles = frameworkDir.list(); 1555 if (frameworkFiles != null) { 1556 // TODO: We could compile these only for the most preferred ABI. We should 1557 // first double check that the dex files for these commands are not referenced 1558 // by other system apps. 1559 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1560 for (int i=0; i<frameworkFiles.length; i++) { 1561 File libPath = new File(frameworkDir, frameworkFiles[i]); 1562 String path = libPath.getPath(); 1563 // Skip the file if we already did it. 1564 if (alreadyDexOpted.contains(path)) { 1565 continue; 1566 } 1567 // Skip the file if it is not a type we want to dexopt. 1568 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1569 continue; 1570 } 1571 try { 1572 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1573 dexCodeInstructionSet, 1574 false); 1575 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1576 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1577 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1578 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1579 } 1580 } catch (FileNotFoundException e) { 1581 Slog.w(TAG, "Jar not found: " + path); 1582 } catch (IOException e) { 1583 Slog.w(TAG, "Exception reading jar: " + path, e); 1584 } 1585 } 1586 } 1587 } 1588 1589 // Collect vendor overlay packages. 1590 // (Do this before scanning any apps.) 1591 // For security and version matching reason, only consider 1592 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1593 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1594 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1595 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1596 1597 // Find base frameworks (resource packages without code). 1598 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1599 | PackageParser.PARSE_IS_SYSTEM_DIR 1600 | PackageParser.PARSE_IS_PRIVILEGED, 1601 scanFlags | SCAN_NO_DEX, 0); 1602 1603 // Collected privileged system packages. 1604 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1605 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1606 | PackageParser.PARSE_IS_SYSTEM_DIR 1607 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1608 1609 // Collect ordinary system packages. 1610 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1611 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1612 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1613 1614 // Collect all vendor packages. 1615 File vendorAppDir = new File("/vendor/app"); 1616 try { 1617 vendorAppDir = vendorAppDir.getCanonicalFile(); 1618 } catch (IOException e) { 1619 // failed to look up canonical path, continue with original one 1620 } 1621 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1622 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1623 1624 // Collect all OEM packages. 1625 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1626 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1627 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1628 1629 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1630 mInstaller.moveFiles(); 1631 1632 // Prune any system packages that no longer exist. 1633 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1634 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1635 if (!mOnlyCore) { 1636 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1637 while (psit.hasNext()) { 1638 PackageSetting ps = psit.next(); 1639 1640 /* 1641 * If this is not a system app, it can't be a 1642 * disable system app. 1643 */ 1644 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1645 continue; 1646 } 1647 1648 /* 1649 * If the package is scanned, it's not erased. 1650 */ 1651 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1652 if (scannedPkg != null) { 1653 /* 1654 * If the system app is both scanned and in the 1655 * disabled packages list, then it must have been 1656 * added via OTA. Remove it from the currently 1657 * scanned package so the previously user-installed 1658 * application can be scanned. 1659 */ 1660 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1661 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1662 + ps.name + "; removing system app. Last known codePath=" 1663 + ps.codePathString + ", installStatus=" + ps.installStatus 1664 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1665 + scannedPkg.mVersionCode); 1666 removePackageLI(ps, true); 1667 expectingBetter.put(ps.name, ps.codePath); 1668 } 1669 1670 continue; 1671 } 1672 1673 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1674 psit.remove(); 1675 logCriticalInfo(Log.WARN, "System package " + ps.name 1676 + " no longer exists; wiping its data"); 1677 removeDataDirsLI(ps.name); 1678 } else { 1679 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1680 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1681 possiblyDeletedUpdatedSystemApps.add(ps.name); 1682 } 1683 } 1684 } 1685 } 1686 1687 //look for any incomplete package installations 1688 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1689 //clean up list 1690 for(int i = 0; i < deletePkgsList.size(); i++) { 1691 //clean up here 1692 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1693 } 1694 //delete tmp files 1695 deleteTempPackageFiles(); 1696 1697 // Remove any shared userIDs that have no associated packages 1698 mSettings.pruneSharedUsersLPw(); 1699 1700 if (!mOnlyCore) { 1701 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1702 SystemClock.uptimeMillis()); 1703 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 1704 1705 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1706 scanFlags | SCAN_REQUIRE_KNOWN, 0); 1707 1708 /** 1709 * Remove disable package settings for any updated system 1710 * apps that were removed via an OTA. If they're not a 1711 * previously-updated app, remove them completely. 1712 * Otherwise, just revoke their system-level permissions. 1713 */ 1714 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1715 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1716 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1717 1718 String msg; 1719 if (deletedPkg == null) { 1720 msg = "Updated system package " + deletedAppName 1721 + " no longer exists; wiping its data"; 1722 removeDataDirsLI(deletedAppName); 1723 } else { 1724 msg = "Updated system app + " + deletedAppName 1725 + " no longer present; removing system privileges for " 1726 + deletedAppName; 1727 1728 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1729 1730 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1731 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1732 } 1733 logCriticalInfo(Log.WARN, msg); 1734 } 1735 1736 /** 1737 * Make sure all system apps that we expected to appear on 1738 * the userdata partition actually showed up. If they never 1739 * appeared, crawl back and revive the system version. 1740 */ 1741 for (int i = 0; i < expectingBetter.size(); i++) { 1742 final String packageName = expectingBetter.keyAt(i); 1743 if (!mPackages.containsKey(packageName)) { 1744 final File scanFile = expectingBetter.valueAt(i); 1745 1746 logCriticalInfo(Log.WARN, "Expected better " + packageName 1747 + " but never showed up; reverting to system"); 1748 1749 final int reparseFlags; 1750 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1751 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1752 | PackageParser.PARSE_IS_SYSTEM_DIR 1753 | PackageParser.PARSE_IS_PRIVILEGED; 1754 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1755 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1756 | PackageParser.PARSE_IS_SYSTEM_DIR; 1757 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1758 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1759 | PackageParser.PARSE_IS_SYSTEM_DIR; 1760 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1761 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1762 | PackageParser.PARSE_IS_SYSTEM_DIR; 1763 } else { 1764 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1765 continue; 1766 } 1767 1768 mSettings.enableSystemPackageLPw(packageName); 1769 1770 try { 1771 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1772 } catch (PackageManagerException e) { 1773 Slog.e(TAG, "Failed to parse original system package: " 1774 + e.getMessage()); 1775 } 1776 } 1777 } 1778 } 1779 1780 // Now that we know all of the shared libraries, update all clients to have 1781 // the correct library paths. 1782 updateAllSharedLibrariesLPw(); 1783 1784 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1785 // NOTE: We ignore potential failures here during a system scan (like 1786 // the rest of the commands above) because there's precious little we 1787 // can do about it. A settings error is reported, though. 1788 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1789 false /* force dexopt */, false /* defer dexopt */); 1790 } 1791 1792 // Now that we know all the packages we are keeping, 1793 // read and update their last usage times. 1794 mPackageUsage.readLP(); 1795 1796 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1797 SystemClock.uptimeMillis()); 1798 Slog.i(TAG, "Time to scan packages: " 1799 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1800 + " seconds"); 1801 1802 // If the platform SDK has changed since the last time we booted, 1803 // we need to re-grant app permission to catch any new ones that 1804 // appear. This is really a hack, and means that apps can in some 1805 // cases get permissions that the user didn't initially explicitly 1806 // allow... it would be nice to have some better way to handle 1807 // this situation. 1808 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1809 != mSdkVersion; 1810 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1811 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1812 + "; regranting permissions for internal storage"); 1813 mSettings.mInternalSdkPlatform = mSdkVersion; 1814 1815 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1816 | (regrantPermissions 1817 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1818 : 0)); 1819 1820 // If this is the first boot, and it is a normal boot, then 1821 // we need to initialize the default preferred apps. 1822 if (!mRestoredSettings && !onlyCore) { 1823 mSettings.readDefaultPreferredAppsLPw(this, 0); 1824 } 1825 1826 // If this is first boot after an OTA, and a normal boot, then 1827 // we need to clear code cache directories. 1828 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1829 if (mIsUpgrade && !onlyCore) { 1830 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1831 for (String pkgName : mSettings.mPackages.keySet()) { 1832 deleteCodeCacheDirsLI(pkgName); 1833 } 1834 mSettings.mFingerprint = Build.FINGERPRINT; 1835 } 1836 1837 // All the changes are done during package scanning. 1838 mSettings.updateInternalDatabaseVersion(); 1839 1840 // can downgrade to reader 1841 mSettings.writeLPr(); 1842 1843 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1844 SystemClock.uptimeMillis()); 1845 1846 1847 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1848 } // synchronized (mPackages) 1849 } // synchronized (mInstallLock) 1850 1851 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1852 1853 // Now after opening every single application zip, make sure they 1854 // are all flushed. Not really needed, but keeps things nice and 1855 // tidy. 1856 Runtime.getRuntime().gc(); 1857 } 1858 1859 @Override 1860 public boolean isFirstBoot() { 1861 return !mRestoredSettings; 1862 } 1863 1864 @Override 1865 public boolean isOnlyCoreApps() { 1866 return mOnlyCore; 1867 } 1868 1869 @Override 1870 public boolean isUpgrade() { 1871 return mIsUpgrade; 1872 } 1873 1874 private String getRequiredVerifierLPr() { 1875 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1876 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1877 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1878 1879 String requiredVerifier = null; 1880 1881 final int N = receivers.size(); 1882 for (int i = 0; i < N; i++) { 1883 final ResolveInfo info = receivers.get(i); 1884 1885 if (info.activityInfo == null) { 1886 continue; 1887 } 1888 1889 final String packageName = info.activityInfo.packageName; 1890 1891 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 1892 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 1893 continue; 1894 } 1895 1896 if (requiredVerifier != null) { 1897 throw new RuntimeException("There can be only one required verifier"); 1898 } 1899 1900 requiredVerifier = packageName; 1901 } 1902 1903 return requiredVerifier; 1904 } 1905 1906 @Override 1907 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1908 throws RemoteException { 1909 try { 1910 return super.onTransact(code, data, reply, flags); 1911 } catch (RuntimeException e) { 1912 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1913 Slog.wtf(TAG, "Package Manager Crash", e); 1914 } 1915 throw e; 1916 } 1917 } 1918 1919 void cleanupInstallFailedPackage(PackageSetting ps) { 1920 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1921 1922 removeDataDirsLI(ps.name); 1923 if (ps.codePath != null) { 1924 if (ps.codePath.isDirectory()) { 1925 FileUtils.deleteContents(ps.codePath); 1926 } 1927 ps.codePath.delete(); 1928 } 1929 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1930 if (ps.resourcePath.isDirectory()) { 1931 FileUtils.deleteContents(ps.resourcePath); 1932 } 1933 ps.resourcePath.delete(); 1934 } 1935 mSettings.removePackageLPw(ps.name); 1936 } 1937 1938 static int[] appendInts(int[] cur, int[] add) { 1939 if (add == null) return cur; 1940 if (cur == null) return add; 1941 final int N = add.length; 1942 for (int i=0; i<N; i++) { 1943 cur = appendInt(cur, add[i]); 1944 } 1945 return cur; 1946 } 1947 1948 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1949 if (!sUserManager.exists(userId)) return null; 1950 final PackageSetting ps = (PackageSetting) p.mExtras; 1951 if (ps == null) { 1952 return null; 1953 } 1954 1955 final PermissionsState permissionsState = ps.getPermissionsState(); 1956 1957 final int[] gids = permissionsState.computeGids(userId); 1958 final Set<String> permissions = permissionsState.getPermissions(userId); 1959 final PackageUserState state = ps.readUserState(userId); 1960 1961 return PackageParser.generatePackageInfo(p, gids, flags, 1962 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 1963 } 1964 1965 @Override 1966 public boolean isPackageAvailable(String packageName, int userId) { 1967 if (!sUserManager.exists(userId)) return false; 1968 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1969 synchronized (mPackages) { 1970 PackageParser.Package p = mPackages.get(packageName); 1971 if (p != null) { 1972 final PackageSetting ps = (PackageSetting) p.mExtras; 1973 if (ps != null) { 1974 final PackageUserState state = ps.readUserState(userId); 1975 if (state != null) { 1976 return PackageParser.isAvailable(state); 1977 } 1978 } 1979 } 1980 } 1981 return false; 1982 } 1983 1984 @Override 1985 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1986 if (!sUserManager.exists(userId)) return null; 1987 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1988 // reader 1989 synchronized (mPackages) { 1990 PackageParser.Package p = mPackages.get(packageName); 1991 if (DEBUG_PACKAGE_INFO) 1992 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1993 if (p != null) { 1994 return generatePackageInfo(p, flags, userId); 1995 } 1996 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1997 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1998 } 1999 } 2000 return null; 2001 } 2002 2003 @Override 2004 public String[] currentToCanonicalPackageNames(String[] names) { 2005 String[] out = new String[names.length]; 2006 // reader 2007 synchronized (mPackages) { 2008 for (int i=names.length-1; i>=0; i--) { 2009 PackageSetting ps = mSettings.mPackages.get(names[i]); 2010 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2011 } 2012 } 2013 return out; 2014 } 2015 2016 @Override 2017 public String[] canonicalToCurrentPackageNames(String[] names) { 2018 String[] out = new String[names.length]; 2019 // reader 2020 synchronized (mPackages) { 2021 for (int i=names.length-1; i>=0; i--) { 2022 String cur = mSettings.mRenamedPackages.get(names[i]); 2023 out[i] = cur != null ? cur : names[i]; 2024 } 2025 } 2026 return out; 2027 } 2028 2029 @Override 2030 public int getPackageUid(String packageName, int userId) { 2031 if (!sUserManager.exists(userId)) return -1; 2032 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2033 2034 // reader 2035 synchronized (mPackages) { 2036 PackageParser.Package p = mPackages.get(packageName); 2037 if(p != null) { 2038 return UserHandle.getUid(userId, p.applicationInfo.uid); 2039 } 2040 PackageSetting ps = mSettings.mPackages.get(packageName); 2041 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2042 return -1; 2043 } 2044 p = ps.pkg; 2045 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2046 } 2047 } 2048 2049 @Override 2050 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2051 if (!sUserManager.exists(userId)) { 2052 return null; 2053 } 2054 2055 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2056 "getPackageGids"); 2057 2058 // reader 2059 synchronized (mPackages) { 2060 PackageParser.Package p = mPackages.get(packageName); 2061 if (DEBUG_PACKAGE_INFO) { 2062 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2063 } 2064 if (p != null) { 2065 PackageSetting ps = (PackageSetting) p.mExtras; 2066 return ps.getPermissionsState().computeGids(userId); 2067 } 2068 } 2069 2070 return null; 2071 } 2072 2073 static PermissionInfo generatePermissionInfo( 2074 BasePermission bp, int flags) { 2075 if (bp.perm != null) { 2076 return PackageParser.generatePermissionInfo(bp.perm, flags); 2077 } 2078 PermissionInfo pi = new PermissionInfo(); 2079 pi.name = bp.name; 2080 pi.packageName = bp.sourcePackage; 2081 pi.nonLocalizedLabel = bp.name; 2082 pi.protectionLevel = bp.protectionLevel; 2083 return pi; 2084 } 2085 2086 @Override 2087 public PermissionInfo getPermissionInfo(String name, int flags) { 2088 // reader 2089 synchronized (mPackages) { 2090 final BasePermission p = mSettings.mPermissions.get(name); 2091 if (p != null) { 2092 return generatePermissionInfo(p, flags); 2093 } 2094 return null; 2095 } 2096 } 2097 2098 @Override 2099 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2100 // reader 2101 synchronized (mPackages) { 2102 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2103 for (BasePermission p : mSettings.mPermissions.values()) { 2104 if (group == null) { 2105 if (p.perm == null || p.perm.info.group == null) { 2106 out.add(generatePermissionInfo(p, flags)); 2107 } 2108 } else { 2109 if (p.perm != null && group.equals(p.perm.info.group)) { 2110 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2111 } 2112 } 2113 } 2114 2115 if (out.size() > 0) { 2116 return out; 2117 } 2118 return mPermissionGroups.containsKey(group) ? out : null; 2119 } 2120 } 2121 2122 @Override 2123 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2124 // reader 2125 synchronized (mPackages) { 2126 return PackageParser.generatePermissionGroupInfo( 2127 mPermissionGroups.get(name), flags); 2128 } 2129 } 2130 2131 @Override 2132 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2133 // reader 2134 synchronized (mPackages) { 2135 final int N = mPermissionGroups.size(); 2136 ArrayList<PermissionGroupInfo> out 2137 = new ArrayList<PermissionGroupInfo>(N); 2138 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2139 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2140 } 2141 return out; 2142 } 2143 } 2144 2145 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2146 int userId) { 2147 if (!sUserManager.exists(userId)) return null; 2148 PackageSetting ps = mSettings.mPackages.get(packageName); 2149 if (ps != null) { 2150 if (ps.pkg == null) { 2151 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2152 flags, userId); 2153 if (pInfo != null) { 2154 return pInfo.applicationInfo; 2155 } 2156 return null; 2157 } 2158 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2159 ps.readUserState(userId), userId); 2160 } 2161 return null; 2162 } 2163 2164 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2165 int userId) { 2166 if (!sUserManager.exists(userId)) return null; 2167 PackageSetting ps = mSettings.mPackages.get(packageName); 2168 if (ps != null) { 2169 PackageParser.Package pkg = ps.pkg; 2170 if (pkg == null) { 2171 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2172 return null; 2173 } 2174 // Only data remains, so we aren't worried about code paths 2175 pkg = new PackageParser.Package(packageName); 2176 pkg.applicationInfo.packageName = packageName; 2177 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2178 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2179 pkg.applicationInfo.dataDir = 2180 getDataPathForPackage(packageName, 0).getPath(); 2181 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2182 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2183 } 2184 return generatePackageInfo(pkg, flags, userId); 2185 } 2186 return null; 2187 } 2188 2189 @Override 2190 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2191 if (!sUserManager.exists(userId)) return null; 2192 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2193 // writer 2194 synchronized (mPackages) { 2195 PackageParser.Package p = mPackages.get(packageName); 2196 if (DEBUG_PACKAGE_INFO) Log.v( 2197 TAG, "getApplicationInfo " + packageName 2198 + ": " + p); 2199 if (p != null) { 2200 PackageSetting ps = mSettings.mPackages.get(packageName); 2201 if (ps == null) return null; 2202 // Note: isEnabledLP() does not apply here - always return info 2203 return PackageParser.generateApplicationInfo( 2204 p, flags, ps.readUserState(userId), userId); 2205 } 2206 if ("android".equals(packageName)||"system".equals(packageName)) { 2207 return mAndroidApplication; 2208 } 2209 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2210 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2211 } 2212 } 2213 return null; 2214 } 2215 2216 2217 @Override 2218 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2219 mContext.enforceCallingOrSelfPermission( 2220 android.Manifest.permission.CLEAR_APP_CACHE, null); 2221 // Queue up an async operation since clearing cache may take a little while. 2222 mHandler.post(new Runnable() { 2223 public void run() { 2224 mHandler.removeCallbacks(this); 2225 int retCode = -1; 2226 synchronized (mInstallLock) { 2227 retCode = mInstaller.freeCache(freeStorageSize); 2228 if (retCode < 0) { 2229 Slog.w(TAG, "Couldn't clear application caches"); 2230 } 2231 } 2232 if (observer != null) { 2233 try { 2234 observer.onRemoveCompleted(null, (retCode >= 0)); 2235 } catch (RemoteException e) { 2236 Slog.w(TAG, "RemoveException when invoking call back"); 2237 } 2238 } 2239 } 2240 }); 2241 } 2242 2243 @Override 2244 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2245 mContext.enforceCallingOrSelfPermission( 2246 android.Manifest.permission.CLEAR_APP_CACHE, null); 2247 // Queue up an async operation since clearing cache may take a little while. 2248 mHandler.post(new Runnable() { 2249 public void run() { 2250 mHandler.removeCallbacks(this); 2251 int retCode = -1; 2252 synchronized (mInstallLock) { 2253 retCode = mInstaller.freeCache(freeStorageSize); 2254 if (retCode < 0) { 2255 Slog.w(TAG, "Couldn't clear application caches"); 2256 } 2257 } 2258 if(pi != null) { 2259 try { 2260 // Callback via pending intent 2261 int code = (retCode >= 0) ? 1 : 0; 2262 pi.sendIntent(null, code, null, 2263 null, null); 2264 } catch (SendIntentException e1) { 2265 Slog.i(TAG, "Failed to send pending intent"); 2266 } 2267 } 2268 } 2269 }); 2270 } 2271 2272 void freeStorage(long freeStorageSize) throws IOException { 2273 synchronized (mInstallLock) { 2274 if (mInstaller.freeCache(freeStorageSize) < 0) { 2275 throw new IOException("Failed to free enough space"); 2276 } 2277 } 2278 } 2279 2280 @Override 2281 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2282 if (!sUserManager.exists(userId)) return null; 2283 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2284 synchronized (mPackages) { 2285 PackageParser.Activity a = mActivities.mActivities.get(component); 2286 2287 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2288 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2289 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2290 if (ps == null) return null; 2291 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2292 userId); 2293 } 2294 if (mResolveComponentName.equals(component)) { 2295 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2296 new PackageUserState(), userId); 2297 } 2298 } 2299 return null; 2300 } 2301 2302 @Override 2303 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2304 String resolvedType) { 2305 synchronized (mPackages) { 2306 PackageParser.Activity a = mActivities.mActivities.get(component); 2307 if (a == null) { 2308 return false; 2309 } 2310 for (int i=0; i<a.intents.size(); i++) { 2311 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2312 intent.getData(), intent.getCategories(), TAG) >= 0) { 2313 return true; 2314 } 2315 } 2316 return false; 2317 } 2318 } 2319 2320 @Override 2321 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2322 if (!sUserManager.exists(userId)) return null; 2323 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2324 synchronized (mPackages) { 2325 PackageParser.Activity a = mReceivers.mActivities.get(component); 2326 if (DEBUG_PACKAGE_INFO) Log.v( 2327 TAG, "getReceiverInfo " + component + ": " + a); 2328 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2329 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2330 if (ps == null) return null; 2331 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2332 userId); 2333 } 2334 } 2335 return null; 2336 } 2337 2338 @Override 2339 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2340 if (!sUserManager.exists(userId)) return null; 2341 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2342 synchronized (mPackages) { 2343 PackageParser.Service s = mServices.mServices.get(component); 2344 if (DEBUG_PACKAGE_INFO) Log.v( 2345 TAG, "getServiceInfo " + component + ": " + s); 2346 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2347 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2348 if (ps == null) return null; 2349 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2350 userId); 2351 } 2352 } 2353 return null; 2354 } 2355 2356 @Override 2357 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2358 if (!sUserManager.exists(userId)) return null; 2359 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2360 synchronized (mPackages) { 2361 PackageParser.Provider p = mProviders.mProviders.get(component); 2362 if (DEBUG_PACKAGE_INFO) Log.v( 2363 TAG, "getProviderInfo " + component + ": " + p); 2364 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2365 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2366 if (ps == null) return null; 2367 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2368 userId); 2369 } 2370 } 2371 return null; 2372 } 2373 2374 @Override 2375 public String[] getSystemSharedLibraryNames() { 2376 Set<String> libSet; 2377 synchronized (mPackages) { 2378 libSet = mSharedLibraries.keySet(); 2379 int size = libSet.size(); 2380 if (size > 0) { 2381 String[] libs = new String[size]; 2382 libSet.toArray(libs); 2383 return libs; 2384 } 2385 } 2386 return null; 2387 } 2388 2389 /** 2390 * @hide 2391 */ 2392 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2393 synchronized (mPackages) { 2394 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2395 if (lib != null && lib.apk != null) { 2396 return mPackages.get(lib.apk); 2397 } 2398 } 2399 return null; 2400 } 2401 2402 @Override 2403 public FeatureInfo[] getSystemAvailableFeatures() { 2404 Collection<FeatureInfo> featSet; 2405 synchronized (mPackages) { 2406 featSet = mAvailableFeatures.values(); 2407 int size = featSet.size(); 2408 if (size > 0) { 2409 FeatureInfo[] features = new FeatureInfo[size+1]; 2410 featSet.toArray(features); 2411 FeatureInfo fi = new FeatureInfo(); 2412 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2413 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2414 features[size] = fi; 2415 return features; 2416 } 2417 } 2418 return null; 2419 } 2420 2421 @Override 2422 public boolean hasSystemFeature(String name) { 2423 synchronized (mPackages) { 2424 return mAvailableFeatures.containsKey(name); 2425 } 2426 } 2427 2428 private void checkValidCaller(int uid, int userId) { 2429 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2430 return; 2431 2432 throw new SecurityException("Caller uid=" + uid 2433 + " is not privileged to communicate with user=" + userId); 2434 } 2435 2436 @Override 2437 public int checkPermission(String permName, String pkgName, int userId) { 2438 if (!sUserManager.exists(userId)) { 2439 return PackageManager.PERMISSION_DENIED; 2440 } 2441 2442 synchronized (mPackages) { 2443 final PackageParser.Package p = mPackages.get(pkgName); 2444 if (p != null && p.mExtras != null) { 2445 final PackageSetting ps = (PackageSetting) p.mExtras; 2446 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2447 return PackageManager.PERMISSION_GRANTED; 2448 } 2449 } 2450 } 2451 2452 return PackageManager.PERMISSION_DENIED; 2453 } 2454 2455 @Override 2456 public int checkUidPermission(String permName, int uid) { 2457 final int userId = UserHandle.getUserId(uid); 2458 2459 if (!sUserManager.exists(userId)) { 2460 return PackageManager.PERMISSION_DENIED; 2461 } 2462 2463 synchronized (mPackages) { 2464 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2465 if (obj != null) { 2466 final SettingBase ps = (SettingBase) obj; 2467 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2468 return PackageManager.PERMISSION_GRANTED; 2469 } 2470 } else { 2471 ArraySet<String> perms = mSystemPermissions.get(uid); 2472 if (perms != null && perms.contains(permName)) { 2473 return PackageManager.PERMISSION_GRANTED; 2474 } 2475 } 2476 } 2477 2478 return PackageManager.PERMISSION_DENIED; 2479 } 2480 2481 /** 2482 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2483 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2484 * @param checkShell TODO(yamasani): 2485 * @param message the message to log on security exception 2486 */ 2487 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2488 boolean checkShell, String message) { 2489 if (userId < 0) { 2490 throw new IllegalArgumentException("Invalid userId " + userId); 2491 } 2492 if (checkShell) { 2493 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2494 } 2495 if (userId == UserHandle.getUserId(callingUid)) return; 2496 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2497 if (requireFullPermission) { 2498 mContext.enforceCallingOrSelfPermission( 2499 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2500 } else { 2501 try { 2502 mContext.enforceCallingOrSelfPermission( 2503 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2504 } catch (SecurityException se) { 2505 mContext.enforceCallingOrSelfPermission( 2506 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2507 } 2508 } 2509 } 2510 } 2511 2512 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2513 if (callingUid == Process.SHELL_UID) { 2514 if (userHandle >= 0 2515 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2516 throw new SecurityException("Shell does not have permission to access user " 2517 + userHandle); 2518 } else if (userHandle < 0) { 2519 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2520 + Debug.getCallers(3)); 2521 } 2522 } 2523 } 2524 2525 private BasePermission findPermissionTreeLP(String permName) { 2526 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2527 if (permName.startsWith(bp.name) && 2528 permName.length() > bp.name.length() && 2529 permName.charAt(bp.name.length()) == '.') { 2530 return bp; 2531 } 2532 } 2533 return null; 2534 } 2535 2536 private BasePermission checkPermissionTreeLP(String permName) { 2537 if (permName != null) { 2538 BasePermission bp = findPermissionTreeLP(permName); 2539 if (bp != null) { 2540 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2541 return bp; 2542 } 2543 throw new SecurityException("Calling uid " 2544 + Binder.getCallingUid() 2545 + " is not allowed to add to permission tree " 2546 + bp.name + " owned by uid " + bp.uid); 2547 } 2548 } 2549 throw new SecurityException("No permission tree found for " + permName); 2550 } 2551 2552 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2553 if (s1 == null) { 2554 return s2 == null; 2555 } 2556 if (s2 == null) { 2557 return false; 2558 } 2559 if (s1.getClass() != s2.getClass()) { 2560 return false; 2561 } 2562 return s1.equals(s2); 2563 } 2564 2565 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2566 if (pi1.icon != pi2.icon) return false; 2567 if (pi1.logo != pi2.logo) return false; 2568 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2569 if (!compareStrings(pi1.name, pi2.name)) return false; 2570 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2571 // We'll take care of setting this one. 2572 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2573 // These are not currently stored in settings. 2574 //if (!compareStrings(pi1.group, pi2.group)) return false; 2575 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2576 //if (pi1.labelRes != pi2.labelRes) return false; 2577 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2578 return true; 2579 } 2580 2581 int permissionInfoFootprint(PermissionInfo info) { 2582 int size = info.name.length(); 2583 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2584 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2585 return size; 2586 } 2587 2588 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2589 int size = 0; 2590 for (BasePermission perm : mSettings.mPermissions.values()) { 2591 if (perm.uid == tree.uid) { 2592 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2593 } 2594 } 2595 return size; 2596 } 2597 2598 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2599 // We calculate the max size of permissions defined by this uid and throw 2600 // if that plus the size of 'info' would exceed our stated maximum. 2601 if (tree.uid != Process.SYSTEM_UID) { 2602 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2603 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2604 throw new SecurityException("Permission tree size cap exceeded"); 2605 } 2606 } 2607 } 2608 2609 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2610 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2611 throw new SecurityException("Label must be specified in permission"); 2612 } 2613 BasePermission tree = checkPermissionTreeLP(info.name); 2614 BasePermission bp = mSettings.mPermissions.get(info.name); 2615 boolean added = bp == null; 2616 boolean changed = true; 2617 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2618 if (added) { 2619 enforcePermissionCapLocked(info, tree); 2620 bp = new BasePermission(info.name, tree.sourcePackage, 2621 BasePermission.TYPE_DYNAMIC); 2622 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2623 throw new SecurityException( 2624 "Not allowed to modify non-dynamic permission " 2625 + info.name); 2626 } else { 2627 if (bp.protectionLevel == fixedLevel 2628 && bp.perm.owner.equals(tree.perm.owner) 2629 && bp.uid == tree.uid 2630 && comparePermissionInfos(bp.perm.info, info)) { 2631 changed = false; 2632 } 2633 } 2634 bp.protectionLevel = fixedLevel; 2635 info = new PermissionInfo(info); 2636 info.protectionLevel = fixedLevel; 2637 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2638 bp.perm.info.packageName = tree.perm.info.packageName; 2639 bp.uid = tree.uid; 2640 if (added) { 2641 mSettings.mPermissions.put(info.name, bp); 2642 } 2643 if (changed) { 2644 if (!async) { 2645 mSettings.writeLPr(); 2646 } else { 2647 scheduleWriteSettingsLocked(); 2648 } 2649 } 2650 return added; 2651 } 2652 2653 @Override 2654 public boolean addPermission(PermissionInfo info) { 2655 synchronized (mPackages) { 2656 return addPermissionLocked(info, false); 2657 } 2658 } 2659 2660 @Override 2661 public boolean addPermissionAsync(PermissionInfo info) { 2662 synchronized (mPackages) { 2663 return addPermissionLocked(info, true); 2664 } 2665 } 2666 2667 @Override 2668 public void removePermission(String name) { 2669 synchronized (mPackages) { 2670 checkPermissionTreeLP(name); 2671 BasePermission bp = mSettings.mPermissions.get(name); 2672 if (bp != null) { 2673 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2674 throw new SecurityException( 2675 "Not allowed to modify non-dynamic permission " 2676 + name); 2677 } 2678 mSettings.mPermissions.remove(name); 2679 mSettings.writeLPr(); 2680 } 2681 } 2682 } 2683 2684 private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg, 2685 BasePermission bp) { 2686 int index = pkg.requestedPermissions.indexOf(bp.name); 2687 if (index == -1) { 2688 throw new SecurityException("Package " + pkg.packageName 2689 + " has not requested permission " + bp.name); 2690 } 2691 if (!bp.isRuntime()) { 2692 throw new SecurityException("Permission " + bp.name 2693 + " is not a changeable permission type"); 2694 } 2695 } 2696 2697 @Override 2698 public boolean grantPermission(String packageName, String name, int userId) { 2699 if (!sUserManager.exists(userId)) { 2700 return false; 2701 } 2702 2703 mContext.enforceCallingOrSelfPermission( 2704 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2705 "grantPermission"); 2706 2707 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2708 "grantPermission"); 2709 2710 synchronized (mPackages) { 2711 final PackageParser.Package pkg = mPackages.get(packageName); 2712 if (pkg == null) { 2713 throw new IllegalArgumentException("Unknown package: " + packageName); 2714 } 2715 2716 final BasePermission bp = mSettings.mPermissions.get(name); 2717 if (bp == null) { 2718 throw new IllegalArgumentException("Unknown permission: " + name); 2719 } 2720 2721 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2722 2723 final SettingBase sb = (SettingBase) pkg.mExtras; 2724 if (sb == null) { 2725 throw new IllegalArgumentException("Unknown package: " + packageName); 2726 } 2727 2728 final PermissionsState permissionsState = sb.getPermissionsState(); 2729 2730 final int result = permissionsState.grantRuntimePermission(bp, userId); 2731 switch (result) { 2732 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 2733 return false; 2734 } 2735 2736 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 2737 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED); 2738 } break; 2739 } 2740 2741 // Not critical if that is lost - app has to request again. 2742 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 2743 2744 return true; 2745 } 2746 } 2747 2748 @Override 2749 public boolean revokePermission(String packageName, String name, int userId) { 2750 if (!sUserManager.exists(userId)) { 2751 return false; 2752 } 2753 2754 mContext.enforceCallingOrSelfPermission( 2755 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2756 "revokePermission"); 2757 2758 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2759 "revokePermission"); 2760 2761 synchronized (mPackages) { 2762 final PackageParser.Package pkg = mPackages.get(packageName); 2763 if (pkg == null) { 2764 throw new IllegalArgumentException("Unknown package: " + packageName); 2765 } 2766 2767 final BasePermission bp = mSettings.mPermissions.get(name); 2768 if (bp == null) { 2769 throw new IllegalArgumentException("Unknown permission: " + name); 2770 } 2771 2772 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2773 2774 final SettingBase sb = (SettingBase) pkg.mExtras; 2775 if (sb == null) { 2776 throw new IllegalArgumentException("Unknown package: " + packageName); 2777 } 2778 2779 final PermissionsState permissionsState = sb.getPermissionsState(); 2780 2781 if (permissionsState.revokeRuntimePermission(bp, userId) == 2782 PermissionsState.PERMISSION_OPERATION_FAILURE) { 2783 return false; 2784 } 2785 2786 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 2787 2788 // Critical, after this call all should never have the permission. 2789 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 2790 2791 return true; 2792 } 2793 } 2794 2795 @Override 2796 public boolean isProtectedBroadcast(String actionName) { 2797 synchronized (mPackages) { 2798 return mProtectedBroadcasts.contains(actionName); 2799 } 2800 } 2801 2802 @Override 2803 public int checkSignatures(String pkg1, String pkg2) { 2804 synchronized (mPackages) { 2805 final PackageParser.Package p1 = mPackages.get(pkg1); 2806 final PackageParser.Package p2 = mPackages.get(pkg2); 2807 if (p1 == null || p1.mExtras == null 2808 || p2 == null || p2.mExtras == null) { 2809 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2810 } 2811 return compareSignatures(p1.mSignatures, p2.mSignatures); 2812 } 2813 } 2814 2815 @Override 2816 public int checkUidSignatures(int uid1, int uid2) { 2817 // Map to base uids. 2818 uid1 = UserHandle.getAppId(uid1); 2819 uid2 = UserHandle.getAppId(uid2); 2820 // reader 2821 synchronized (mPackages) { 2822 Signature[] s1; 2823 Signature[] s2; 2824 Object obj = mSettings.getUserIdLPr(uid1); 2825 if (obj != null) { 2826 if (obj instanceof SharedUserSetting) { 2827 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2828 } else if (obj instanceof PackageSetting) { 2829 s1 = ((PackageSetting)obj).signatures.mSignatures; 2830 } else { 2831 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2832 } 2833 } else { 2834 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2835 } 2836 obj = mSettings.getUserIdLPr(uid2); 2837 if (obj != null) { 2838 if (obj instanceof SharedUserSetting) { 2839 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2840 } else if (obj instanceof PackageSetting) { 2841 s2 = ((PackageSetting)obj).signatures.mSignatures; 2842 } else { 2843 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2844 } 2845 } else { 2846 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2847 } 2848 return compareSignatures(s1, s2); 2849 } 2850 } 2851 2852 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 2853 final long identity = Binder.clearCallingIdentity(); 2854 try { 2855 if (sb instanceof SharedUserSetting) { 2856 SharedUserSetting sus = (SharedUserSetting) sb; 2857 final int packageCount = sus.packages.size(); 2858 for (int i = 0; i < packageCount; i++) { 2859 PackageSetting susPs = sus.packages.valueAt(i); 2860 if (userId == UserHandle.USER_ALL) { 2861 killApplication(susPs.pkg.packageName, susPs.appId, reason); 2862 } else { 2863 final int uid = UserHandle.getUid(userId, susPs.appId); 2864 killUid(uid, reason); 2865 } 2866 } 2867 } else if (sb instanceof PackageSetting) { 2868 PackageSetting ps = (PackageSetting) sb; 2869 if (userId == UserHandle.USER_ALL) { 2870 killApplication(ps.pkg.packageName, ps.appId, reason); 2871 } else { 2872 final int uid = UserHandle.getUid(userId, ps.appId); 2873 killUid(uid, reason); 2874 } 2875 } 2876 } finally { 2877 Binder.restoreCallingIdentity(identity); 2878 } 2879 } 2880 2881 private static void killUid(int uid, String reason) { 2882 IActivityManager am = ActivityManagerNative.getDefault(); 2883 if (am != null) { 2884 try { 2885 am.killUid(uid, reason); 2886 } catch (RemoteException e) { 2887 /* ignore - same process */ 2888 } 2889 } 2890 } 2891 2892 /** 2893 * Compares two sets of signatures. Returns: 2894 * <br /> 2895 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2896 * <br /> 2897 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2902 * <br /> 2903 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2904 */ 2905 static int compareSignatures(Signature[] s1, Signature[] s2) { 2906 if (s1 == null) { 2907 return s2 == null 2908 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2909 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2910 } 2911 2912 if (s2 == null) { 2913 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2914 } 2915 2916 if (s1.length != s2.length) { 2917 return PackageManager.SIGNATURE_NO_MATCH; 2918 } 2919 2920 // Since both signature sets are of size 1, we can compare without HashSets. 2921 if (s1.length == 1) { 2922 return s1[0].equals(s2[0]) ? 2923 PackageManager.SIGNATURE_MATCH : 2924 PackageManager.SIGNATURE_NO_MATCH; 2925 } 2926 2927 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2928 for (Signature sig : s1) { 2929 set1.add(sig); 2930 } 2931 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2932 for (Signature sig : s2) { 2933 set2.add(sig); 2934 } 2935 // Make sure s2 contains all signatures in s1. 2936 if (set1.equals(set2)) { 2937 return PackageManager.SIGNATURE_MATCH; 2938 } 2939 return PackageManager.SIGNATURE_NO_MATCH; 2940 } 2941 2942 /** 2943 * If the database version for this type of package (internal storage or 2944 * external storage) is less than the version where package signatures 2945 * were updated, return true. 2946 */ 2947 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2948 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2949 DatabaseVersion.SIGNATURE_END_ENTITY)) 2950 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2951 DatabaseVersion.SIGNATURE_END_ENTITY)); 2952 } 2953 2954 /** 2955 * Used for backward compatibility to make sure any packages with 2956 * certificate chains get upgraded to the new style. {@code existingSigs} 2957 * will be in the old format (since they were stored on disk from before the 2958 * system upgrade) and {@code scannedSigs} will be in the newer format. 2959 */ 2960 private int compareSignaturesCompat(PackageSignatures existingSigs, 2961 PackageParser.Package scannedPkg) { 2962 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2963 return PackageManager.SIGNATURE_NO_MATCH; 2964 } 2965 2966 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2967 for (Signature sig : existingSigs.mSignatures) { 2968 existingSet.add(sig); 2969 } 2970 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2971 for (Signature sig : scannedPkg.mSignatures) { 2972 try { 2973 Signature[] chainSignatures = sig.getChainSignatures(); 2974 for (Signature chainSig : chainSignatures) { 2975 scannedCompatSet.add(chainSig); 2976 } 2977 } catch (CertificateEncodingException e) { 2978 scannedCompatSet.add(sig); 2979 } 2980 } 2981 /* 2982 * Make sure the expanded scanned set contains all signatures in the 2983 * existing one. 2984 */ 2985 if (scannedCompatSet.equals(existingSet)) { 2986 // Migrate the old signatures to the new scheme. 2987 existingSigs.assignSignatures(scannedPkg.mSignatures); 2988 // The new KeySets will be re-added later in the scanning process. 2989 synchronized (mPackages) { 2990 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2991 } 2992 return PackageManager.SIGNATURE_MATCH; 2993 } 2994 return PackageManager.SIGNATURE_NO_MATCH; 2995 } 2996 2997 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2998 if (isExternal(scannedPkg)) { 2999 return mSettings.isExternalDatabaseVersionOlderThan( 3000 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3001 } else { 3002 return mSettings.isInternalDatabaseVersionOlderThan( 3003 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3004 } 3005 } 3006 3007 private int compareSignaturesRecover(PackageSignatures existingSigs, 3008 PackageParser.Package scannedPkg) { 3009 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3010 return PackageManager.SIGNATURE_NO_MATCH; 3011 } 3012 3013 String msg = null; 3014 try { 3015 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3016 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3017 + scannedPkg.packageName); 3018 return PackageManager.SIGNATURE_MATCH; 3019 } 3020 } catch (CertificateException e) { 3021 msg = e.getMessage(); 3022 } 3023 3024 logCriticalInfo(Log.INFO, 3025 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3026 return PackageManager.SIGNATURE_NO_MATCH; 3027 } 3028 3029 @Override 3030 public String[] getPackagesForUid(int uid) { 3031 uid = UserHandle.getAppId(uid); 3032 // reader 3033 synchronized (mPackages) { 3034 Object obj = mSettings.getUserIdLPr(uid); 3035 if (obj instanceof SharedUserSetting) { 3036 final SharedUserSetting sus = (SharedUserSetting) obj; 3037 final int N = sus.packages.size(); 3038 final String[] res = new String[N]; 3039 final Iterator<PackageSetting> it = sus.packages.iterator(); 3040 int i = 0; 3041 while (it.hasNext()) { 3042 res[i++] = it.next().name; 3043 } 3044 return res; 3045 } else if (obj instanceof PackageSetting) { 3046 final PackageSetting ps = (PackageSetting) obj; 3047 return new String[] { ps.name }; 3048 } 3049 } 3050 return null; 3051 } 3052 3053 @Override 3054 public String getNameForUid(int uid) { 3055 // reader 3056 synchronized (mPackages) { 3057 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3058 if (obj instanceof SharedUserSetting) { 3059 final SharedUserSetting sus = (SharedUserSetting) obj; 3060 return sus.name + ":" + sus.userId; 3061 } else if (obj instanceof PackageSetting) { 3062 final PackageSetting ps = (PackageSetting) obj; 3063 return ps.name; 3064 } 3065 } 3066 return null; 3067 } 3068 3069 @Override 3070 public int getUidForSharedUser(String sharedUserName) { 3071 if(sharedUserName == null) { 3072 return -1; 3073 } 3074 // reader 3075 synchronized (mPackages) { 3076 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 3077 if (suid == null) { 3078 return -1; 3079 } 3080 return suid.userId; 3081 } 3082 } 3083 3084 @Override 3085 public int getFlagsForUid(int uid) { 3086 synchronized (mPackages) { 3087 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3088 if (obj instanceof SharedUserSetting) { 3089 final SharedUserSetting sus = (SharedUserSetting) obj; 3090 return sus.pkgFlags; 3091 } else if (obj instanceof PackageSetting) { 3092 final PackageSetting ps = (PackageSetting) obj; 3093 return ps.pkgFlags; 3094 } 3095 } 3096 return 0; 3097 } 3098 3099 @Override 3100 public int getPrivateFlagsForUid(int uid) { 3101 synchronized (mPackages) { 3102 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3103 if (obj instanceof SharedUserSetting) { 3104 final SharedUserSetting sus = (SharedUserSetting) obj; 3105 return sus.pkgPrivateFlags; 3106 } else if (obj instanceof PackageSetting) { 3107 final PackageSetting ps = (PackageSetting) obj; 3108 return ps.pkgPrivateFlags; 3109 } 3110 } 3111 return 0; 3112 } 3113 3114 @Override 3115 public boolean isUidPrivileged(int uid) { 3116 uid = UserHandle.getAppId(uid); 3117 // reader 3118 synchronized (mPackages) { 3119 Object obj = mSettings.getUserIdLPr(uid); 3120 if (obj instanceof SharedUserSetting) { 3121 final SharedUserSetting sus = (SharedUserSetting) obj; 3122 final Iterator<PackageSetting> it = sus.packages.iterator(); 3123 while (it.hasNext()) { 3124 if (it.next().isPrivileged()) { 3125 return true; 3126 } 3127 } 3128 } else if (obj instanceof PackageSetting) { 3129 final PackageSetting ps = (PackageSetting) obj; 3130 return ps.isPrivileged(); 3131 } 3132 } 3133 return false; 3134 } 3135 3136 @Override 3137 public String[] getAppOpPermissionPackages(String permissionName) { 3138 synchronized (mPackages) { 3139 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3140 if (pkgs == null) { 3141 return null; 3142 } 3143 return pkgs.toArray(new String[pkgs.size()]); 3144 } 3145 } 3146 3147 @Override 3148 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3149 int flags, int userId) { 3150 if (!sUserManager.exists(userId)) return null; 3151 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3152 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3153 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3154 } 3155 3156 @Override 3157 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3158 IntentFilter filter, int match, ComponentName activity) { 3159 final int userId = UserHandle.getCallingUserId(); 3160 if (DEBUG_PREFERRED) { 3161 Log.v(TAG, "setLastChosenActivity intent=" + intent 3162 + " resolvedType=" + resolvedType 3163 + " flags=" + flags 3164 + " filter=" + filter 3165 + " match=" + match 3166 + " activity=" + activity); 3167 filter.dump(new PrintStreamPrinter(System.out), " "); 3168 } 3169 intent.setComponent(null); 3170 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3171 // Find any earlier preferred or last chosen entries and nuke them 3172 findPreferredActivity(intent, resolvedType, 3173 flags, query, 0, false, true, false, userId); 3174 // Add the new activity as the last chosen for this filter 3175 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3176 "Setting last chosen"); 3177 } 3178 3179 @Override 3180 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3181 final int userId = UserHandle.getCallingUserId(); 3182 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3183 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3184 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3185 false, false, false, userId); 3186 } 3187 3188 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3189 int flags, List<ResolveInfo> query, int userId) { 3190 if (query != null) { 3191 final int N = query.size(); 3192 if (N == 1) { 3193 return query.get(0); 3194 } else if (N > 1) { 3195 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3196 // If there is more than one activity with the same priority, 3197 // then let the user decide between them. 3198 ResolveInfo r0 = query.get(0); 3199 ResolveInfo r1 = query.get(1); 3200 if (DEBUG_INTENT_MATCHING || debug) { 3201 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3202 + r1.activityInfo.name + "=" + r1.priority); 3203 } 3204 // If the first activity has a higher priority, or a different 3205 // default, then it is always desireable to pick it. 3206 if (r0.priority != r1.priority 3207 || r0.preferredOrder != r1.preferredOrder 3208 || r0.isDefault != r1.isDefault) { 3209 return query.get(0); 3210 } 3211 // If we have saved a preference for a preferred activity for 3212 // this Intent, use that. 3213 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3214 flags, query, r0.priority, true, false, debug, userId); 3215 if (ri != null) { 3216 return ri; 3217 } 3218 if (userId != 0) { 3219 ri = new ResolveInfo(mResolveInfo); 3220 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3221 ri.activityInfo.applicationInfo = new ApplicationInfo( 3222 ri.activityInfo.applicationInfo); 3223 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3224 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3225 return ri; 3226 } 3227 return mResolveInfo; 3228 } 3229 } 3230 return null; 3231 } 3232 3233 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3234 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3235 final int N = query.size(); 3236 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3237 .get(userId); 3238 // Get the list of persistent preferred activities that handle the intent 3239 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3240 List<PersistentPreferredActivity> pprefs = ppir != null 3241 ? ppir.queryIntent(intent, resolvedType, 3242 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3243 : null; 3244 if (pprefs != null && pprefs.size() > 0) { 3245 final int M = pprefs.size(); 3246 for (int i=0; i<M; i++) { 3247 final PersistentPreferredActivity ppa = pprefs.get(i); 3248 if (DEBUG_PREFERRED || debug) { 3249 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3250 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3251 + "\n component=" + ppa.mComponent); 3252 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3253 } 3254 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3255 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3256 if (DEBUG_PREFERRED || debug) { 3257 Slog.v(TAG, "Found persistent preferred activity:"); 3258 if (ai != null) { 3259 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3260 } else { 3261 Slog.v(TAG, " null"); 3262 } 3263 } 3264 if (ai == null) { 3265 // This previously registered persistent preferred activity 3266 // component is no longer known. Ignore it and do NOT remove it. 3267 continue; 3268 } 3269 for (int j=0; j<N; j++) { 3270 final ResolveInfo ri = query.get(j); 3271 if (!ri.activityInfo.applicationInfo.packageName 3272 .equals(ai.applicationInfo.packageName)) { 3273 continue; 3274 } 3275 if (!ri.activityInfo.name.equals(ai.name)) { 3276 continue; 3277 } 3278 // Found a persistent preference that can handle the intent. 3279 if (DEBUG_PREFERRED || debug) { 3280 Slog.v(TAG, "Returning persistent preferred activity: " + 3281 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3282 } 3283 return ri; 3284 } 3285 } 3286 } 3287 return null; 3288 } 3289 3290 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3291 List<ResolveInfo> query, int priority, boolean always, 3292 boolean removeMatches, boolean debug, int userId) { 3293 if (!sUserManager.exists(userId)) return null; 3294 // writer 3295 synchronized (mPackages) { 3296 if (intent.getSelector() != null) { 3297 intent = intent.getSelector(); 3298 } 3299 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3300 3301 // Try to find a matching persistent preferred activity. 3302 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3303 debug, userId); 3304 3305 // If a persistent preferred activity matched, use it. 3306 if (pri != null) { 3307 return pri; 3308 } 3309 3310 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3311 // Get the list of preferred activities that handle the intent 3312 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3313 List<PreferredActivity> prefs = pir != null 3314 ? pir.queryIntent(intent, resolvedType, 3315 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3316 : null; 3317 if (prefs != null && prefs.size() > 0) { 3318 boolean changed = false; 3319 try { 3320 // First figure out how good the original match set is. 3321 // We will only allow preferred activities that came 3322 // from the same match quality. 3323 int match = 0; 3324 3325 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3326 3327 final int N = query.size(); 3328 for (int j=0; j<N; j++) { 3329 final ResolveInfo ri = query.get(j); 3330 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3331 + ": 0x" + Integer.toHexString(match)); 3332 if (ri.match > match) { 3333 match = ri.match; 3334 } 3335 } 3336 3337 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3338 + Integer.toHexString(match)); 3339 3340 match &= IntentFilter.MATCH_CATEGORY_MASK; 3341 final int M = prefs.size(); 3342 for (int i=0; i<M; i++) { 3343 final PreferredActivity pa = prefs.get(i); 3344 if (DEBUG_PREFERRED || debug) { 3345 Slog.v(TAG, "Checking PreferredActivity ds=" 3346 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3347 + "\n component=" + pa.mPref.mComponent); 3348 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3349 } 3350 if (pa.mPref.mMatch != match) { 3351 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3352 + Integer.toHexString(pa.mPref.mMatch)); 3353 continue; 3354 } 3355 // If it's not an "always" type preferred activity and that's what we're 3356 // looking for, skip it. 3357 if (always && !pa.mPref.mAlways) { 3358 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3359 continue; 3360 } 3361 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3362 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3363 if (DEBUG_PREFERRED || debug) { 3364 Slog.v(TAG, "Found preferred activity:"); 3365 if (ai != null) { 3366 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3367 } else { 3368 Slog.v(TAG, " null"); 3369 } 3370 } 3371 if (ai == null) { 3372 // This previously registered preferred activity 3373 // component is no longer known. Most likely an update 3374 // to the app was installed and in the new version this 3375 // component no longer exists. Clean it up by removing 3376 // it from the preferred activities list, and skip it. 3377 Slog.w(TAG, "Removing dangling preferred activity: " 3378 + pa.mPref.mComponent); 3379 pir.removeFilter(pa); 3380 changed = true; 3381 continue; 3382 } 3383 for (int j=0; j<N; j++) { 3384 final ResolveInfo ri = query.get(j); 3385 if (!ri.activityInfo.applicationInfo.packageName 3386 .equals(ai.applicationInfo.packageName)) { 3387 continue; 3388 } 3389 if (!ri.activityInfo.name.equals(ai.name)) { 3390 continue; 3391 } 3392 3393 if (removeMatches) { 3394 pir.removeFilter(pa); 3395 changed = true; 3396 if (DEBUG_PREFERRED) { 3397 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3398 } 3399 break; 3400 } 3401 3402 // Okay we found a previously set preferred or last chosen app. 3403 // If the result set is different from when this 3404 // was created, we need to clear it and re-ask the 3405 // user their preference, if we're looking for an "always" type entry. 3406 if (always && !pa.mPref.sameSet(query)) { 3407 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3408 + intent + " type " + resolvedType); 3409 if (DEBUG_PREFERRED) { 3410 Slog.v(TAG, "Removing preferred activity since set changed " 3411 + pa.mPref.mComponent); 3412 } 3413 pir.removeFilter(pa); 3414 // Re-add the filter as a "last chosen" entry (!always) 3415 PreferredActivity lastChosen = new PreferredActivity( 3416 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3417 pir.addFilter(lastChosen); 3418 changed = true; 3419 return null; 3420 } 3421 3422 // Yay! Either the set matched or we're looking for the last chosen 3423 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3424 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3425 return ri; 3426 } 3427 } 3428 } finally { 3429 if (changed) { 3430 if (DEBUG_PREFERRED) { 3431 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3432 } 3433 scheduleWritePackageRestrictionsLocked(userId); 3434 } 3435 } 3436 } 3437 } 3438 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3439 return null; 3440 } 3441 3442 /* 3443 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3444 */ 3445 @Override 3446 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3447 int targetUserId) { 3448 mContext.enforceCallingOrSelfPermission( 3449 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3450 List<CrossProfileIntentFilter> matches = 3451 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3452 if (matches != null) { 3453 int size = matches.size(); 3454 for (int i = 0; i < size; i++) { 3455 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3456 } 3457 } 3458 return false; 3459 } 3460 3461 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3462 String resolvedType, int userId) { 3463 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3464 if (resolver != null) { 3465 return resolver.queryIntent(intent, resolvedType, false, userId); 3466 } 3467 return null; 3468 } 3469 3470 @Override 3471 public List<ResolveInfo> queryIntentActivities(Intent intent, 3472 String resolvedType, int flags, int userId) { 3473 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3474 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3475 ComponentName comp = intent.getComponent(); 3476 if (comp == null) { 3477 if (intent.getSelector() != null) { 3478 intent = intent.getSelector(); 3479 comp = intent.getComponent(); 3480 } 3481 } 3482 3483 if (comp != null) { 3484 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3485 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3486 if (ai != null) { 3487 final ResolveInfo ri = new ResolveInfo(); 3488 ri.activityInfo = ai; 3489 list.add(ri); 3490 } 3491 return list; 3492 } 3493 3494 // reader 3495 synchronized (mPackages) { 3496 final String pkgName = intent.getPackage(); 3497 if (pkgName == null) { 3498 List<CrossProfileIntentFilter> matchingFilters = 3499 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3500 // Check for results that need to skip the current profile. 3501 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3502 resolvedType, flags, userId); 3503 if (resolveInfo != null) { 3504 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3505 result.add(resolveInfo); 3506 return filterIfNotPrimaryUser(result, userId); 3507 } 3508 // Check for cross profile results. 3509 resolveInfo = queryCrossProfileIntents( 3510 matchingFilters, intent, resolvedType, flags, userId); 3511 3512 // Check for results in the current profile. 3513 List<ResolveInfo> result = mActivities.queryIntent( 3514 intent, resolvedType, flags, userId); 3515 if (resolveInfo != null) { 3516 result.add(resolveInfo); 3517 Collections.sort(result, mResolvePrioritySorter); 3518 } 3519 return filterIfNotPrimaryUser(result, userId); 3520 } 3521 final PackageParser.Package pkg = mPackages.get(pkgName); 3522 if (pkg != null) { 3523 return filterIfNotPrimaryUser( 3524 mActivities.queryIntentForPackage( 3525 intent, resolvedType, flags, pkg.activities, userId), 3526 userId); 3527 } 3528 return new ArrayList<ResolveInfo>(); 3529 } 3530 } 3531 3532 /** 3533 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 3534 * 3535 * @return filtered list 3536 */ 3537 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 3538 if (userId == UserHandle.USER_OWNER) { 3539 return resolveInfos; 3540 } 3541 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 3542 ResolveInfo info = resolveInfos.get(i); 3543 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 3544 resolveInfos.remove(i); 3545 } 3546 } 3547 return resolveInfos; 3548 } 3549 3550 3551 private ResolveInfo querySkipCurrentProfileIntents( 3552 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3553 int flags, int sourceUserId) { 3554 if (matchingFilters != null) { 3555 int size = matchingFilters.size(); 3556 for (int i = 0; i < size; i ++) { 3557 CrossProfileIntentFilter filter = matchingFilters.get(i); 3558 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3559 // Checking if there are activities in the target user that can handle the 3560 // intent. 3561 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3562 flags, sourceUserId); 3563 if (resolveInfo != null) { 3564 return resolveInfo; 3565 } 3566 } 3567 } 3568 } 3569 return null; 3570 } 3571 3572 // Return matching ResolveInfo if any for skip current profile intent filters. 3573 private ResolveInfo queryCrossProfileIntents( 3574 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3575 int flags, int sourceUserId) { 3576 if (matchingFilters != null) { 3577 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3578 // match the same intent. For performance reasons, it is better not to 3579 // run queryIntent twice for the same userId 3580 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3581 int size = matchingFilters.size(); 3582 for (int i = 0; i < size; i++) { 3583 CrossProfileIntentFilter filter = matchingFilters.get(i); 3584 int targetUserId = filter.getTargetUserId(); 3585 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3586 && !alreadyTriedUserIds.get(targetUserId)) { 3587 // Checking if there are activities in the target user that can handle the 3588 // intent. 3589 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3590 flags, sourceUserId); 3591 if (resolveInfo != null) return resolveInfo; 3592 alreadyTriedUserIds.put(targetUserId, true); 3593 } 3594 } 3595 } 3596 return null; 3597 } 3598 3599 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3600 String resolvedType, int flags, int sourceUserId) { 3601 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3602 resolvedType, flags, filter.getTargetUserId()); 3603 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3604 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3605 } 3606 return null; 3607 } 3608 3609 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3610 int sourceUserId, int targetUserId) { 3611 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3612 String className; 3613 if (targetUserId == UserHandle.USER_OWNER) { 3614 className = FORWARD_INTENT_TO_USER_OWNER; 3615 } else { 3616 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3617 } 3618 ComponentName forwardingActivityComponentName = new ComponentName( 3619 mAndroidApplication.packageName, className); 3620 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3621 sourceUserId); 3622 if (targetUserId == UserHandle.USER_OWNER) { 3623 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3624 forwardingResolveInfo.noResourceId = true; 3625 } 3626 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3627 forwardingResolveInfo.priority = 0; 3628 forwardingResolveInfo.preferredOrder = 0; 3629 forwardingResolveInfo.match = 0; 3630 forwardingResolveInfo.isDefault = true; 3631 forwardingResolveInfo.filter = filter; 3632 forwardingResolveInfo.targetUserId = targetUserId; 3633 return forwardingResolveInfo; 3634 } 3635 3636 @Override 3637 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3638 Intent[] specifics, String[] specificTypes, Intent intent, 3639 String resolvedType, int flags, int userId) { 3640 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3641 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3642 false, "query intent activity options"); 3643 final String resultsAction = intent.getAction(); 3644 3645 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3646 | PackageManager.GET_RESOLVED_FILTER, userId); 3647 3648 if (DEBUG_INTENT_MATCHING) { 3649 Log.v(TAG, "Query " + intent + ": " + results); 3650 } 3651 3652 int specificsPos = 0; 3653 int N; 3654 3655 // todo: note that the algorithm used here is O(N^2). This 3656 // isn't a problem in our current environment, but if we start running 3657 // into situations where we have more than 5 or 10 matches then this 3658 // should probably be changed to something smarter... 3659 3660 // First we go through and resolve each of the specific items 3661 // that were supplied, taking care of removing any corresponding 3662 // duplicate items in the generic resolve list. 3663 if (specifics != null) { 3664 for (int i=0; i<specifics.length; i++) { 3665 final Intent sintent = specifics[i]; 3666 if (sintent == null) { 3667 continue; 3668 } 3669 3670 if (DEBUG_INTENT_MATCHING) { 3671 Log.v(TAG, "Specific #" + i + ": " + sintent); 3672 } 3673 3674 String action = sintent.getAction(); 3675 if (resultsAction != null && resultsAction.equals(action)) { 3676 // If this action was explicitly requested, then don't 3677 // remove things that have it. 3678 action = null; 3679 } 3680 3681 ResolveInfo ri = null; 3682 ActivityInfo ai = null; 3683 3684 ComponentName comp = sintent.getComponent(); 3685 if (comp == null) { 3686 ri = resolveIntent( 3687 sintent, 3688 specificTypes != null ? specificTypes[i] : null, 3689 flags, userId); 3690 if (ri == null) { 3691 continue; 3692 } 3693 if (ri == mResolveInfo) { 3694 // ACK! Must do something better with this. 3695 } 3696 ai = ri.activityInfo; 3697 comp = new ComponentName(ai.applicationInfo.packageName, 3698 ai.name); 3699 } else { 3700 ai = getActivityInfo(comp, flags, userId); 3701 if (ai == null) { 3702 continue; 3703 } 3704 } 3705 3706 // Look for any generic query activities that are duplicates 3707 // of this specific one, and remove them from the results. 3708 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3709 N = results.size(); 3710 int j; 3711 for (j=specificsPos; j<N; j++) { 3712 ResolveInfo sri = results.get(j); 3713 if ((sri.activityInfo.name.equals(comp.getClassName()) 3714 && sri.activityInfo.applicationInfo.packageName.equals( 3715 comp.getPackageName())) 3716 || (action != null && sri.filter.matchAction(action))) { 3717 results.remove(j); 3718 if (DEBUG_INTENT_MATCHING) Log.v( 3719 TAG, "Removing duplicate item from " + j 3720 + " due to specific " + specificsPos); 3721 if (ri == null) { 3722 ri = sri; 3723 } 3724 j--; 3725 N--; 3726 } 3727 } 3728 3729 // Add this specific item to its proper place. 3730 if (ri == null) { 3731 ri = new ResolveInfo(); 3732 ri.activityInfo = ai; 3733 } 3734 results.add(specificsPos, ri); 3735 ri.specificIndex = i; 3736 specificsPos++; 3737 } 3738 } 3739 3740 // Now we go through the remaining generic results and remove any 3741 // duplicate actions that are found here. 3742 N = results.size(); 3743 for (int i=specificsPos; i<N-1; i++) { 3744 final ResolveInfo rii = results.get(i); 3745 if (rii.filter == null) { 3746 continue; 3747 } 3748 3749 // Iterate over all of the actions of this result's intent 3750 // filter... typically this should be just one. 3751 final Iterator<String> it = rii.filter.actionsIterator(); 3752 if (it == null) { 3753 continue; 3754 } 3755 while (it.hasNext()) { 3756 final String action = it.next(); 3757 if (resultsAction != null && resultsAction.equals(action)) { 3758 // If this action was explicitly requested, then don't 3759 // remove things that have it. 3760 continue; 3761 } 3762 for (int j=i+1; j<N; j++) { 3763 final ResolveInfo rij = results.get(j); 3764 if (rij.filter != null && rij.filter.hasAction(action)) { 3765 results.remove(j); 3766 if (DEBUG_INTENT_MATCHING) Log.v( 3767 TAG, "Removing duplicate item from " + j 3768 + " due to action " + action + " at " + i); 3769 j--; 3770 N--; 3771 } 3772 } 3773 } 3774 3775 // If the caller didn't request filter information, drop it now 3776 // so we don't have to marshall/unmarshall it. 3777 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3778 rii.filter = null; 3779 } 3780 } 3781 3782 // Filter out the caller activity if so requested. 3783 if (caller != null) { 3784 N = results.size(); 3785 for (int i=0; i<N; i++) { 3786 ActivityInfo ainfo = results.get(i).activityInfo; 3787 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3788 && caller.getClassName().equals(ainfo.name)) { 3789 results.remove(i); 3790 break; 3791 } 3792 } 3793 } 3794 3795 // If the caller didn't request filter information, 3796 // drop them now so we don't have to 3797 // marshall/unmarshall it. 3798 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3799 N = results.size(); 3800 for (int i=0; i<N; i++) { 3801 results.get(i).filter = null; 3802 } 3803 } 3804 3805 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3806 return results; 3807 } 3808 3809 @Override 3810 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3811 int userId) { 3812 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3813 ComponentName comp = intent.getComponent(); 3814 if (comp == null) { 3815 if (intent.getSelector() != null) { 3816 intent = intent.getSelector(); 3817 comp = intent.getComponent(); 3818 } 3819 } 3820 if (comp != null) { 3821 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3822 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3823 if (ai != null) { 3824 ResolveInfo ri = new ResolveInfo(); 3825 ri.activityInfo = ai; 3826 list.add(ri); 3827 } 3828 return list; 3829 } 3830 3831 // reader 3832 synchronized (mPackages) { 3833 String pkgName = intent.getPackage(); 3834 if (pkgName == null) { 3835 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3836 } 3837 final PackageParser.Package pkg = mPackages.get(pkgName); 3838 if (pkg != null) { 3839 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3840 userId); 3841 } 3842 return null; 3843 } 3844 } 3845 3846 @Override 3847 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3848 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3849 if (!sUserManager.exists(userId)) return null; 3850 if (query != null) { 3851 if (query.size() >= 1) { 3852 // If there is more than one service with the same priority, 3853 // just arbitrarily pick the first one. 3854 return query.get(0); 3855 } 3856 } 3857 return null; 3858 } 3859 3860 @Override 3861 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3862 int userId) { 3863 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3864 ComponentName comp = intent.getComponent(); 3865 if (comp == null) { 3866 if (intent.getSelector() != null) { 3867 intent = intent.getSelector(); 3868 comp = intent.getComponent(); 3869 } 3870 } 3871 if (comp != null) { 3872 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3873 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3874 if (si != null) { 3875 final ResolveInfo ri = new ResolveInfo(); 3876 ri.serviceInfo = si; 3877 list.add(ri); 3878 } 3879 return list; 3880 } 3881 3882 // reader 3883 synchronized (mPackages) { 3884 String pkgName = intent.getPackage(); 3885 if (pkgName == null) { 3886 return mServices.queryIntent(intent, resolvedType, flags, userId); 3887 } 3888 final PackageParser.Package pkg = mPackages.get(pkgName); 3889 if (pkg != null) { 3890 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3891 userId); 3892 } 3893 return null; 3894 } 3895 } 3896 3897 @Override 3898 public List<ResolveInfo> queryIntentContentProviders( 3899 Intent intent, String resolvedType, int flags, int userId) { 3900 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3901 ComponentName comp = intent.getComponent(); 3902 if (comp == null) { 3903 if (intent.getSelector() != null) { 3904 intent = intent.getSelector(); 3905 comp = intent.getComponent(); 3906 } 3907 } 3908 if (comp != null) { 3909 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3910 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3911 if (pi != null) { 3912 final ResolveInfo ri = new ResolveInfo(); 3913 ri.providerInfo = pi; 3914 list.add(ri); 3915 } 3916 return list; 3917 } 3918 3919 // reader 3920 synchronized (mPackages) { 3921 String pkgName = intent.getPackage(); 3922 if (pkgName == null) { 3923 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3924 } 3925 final PackageParser.Package pkg = mPackages.get(pkgName); 3926 if (pkg != null) { 3927 return mProviders.queryIntentForPackage( 3928 intent, resolvedType, flags, pkg.providers, userId); 3929 } 3930 return null; 3931 } 3932 } 3933 3934 @Override 3935 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3936 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3937 3938 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3939 3940 // writer 3941 synchronized (mPackages) { 3942 ArrayList<PackageInfo> list; 3943 if (listUninstalled) { 3944 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3945 for (PackageSetting ps : mSettings.mPackages.values()) { 3946 PackageInfo pi; 3947 if (ps.pkg != null) { 3948 pi = generatePackageInfo(ps.pkg, flags, userId); 3949 } else { 3950 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3951 } 3952 if (pi != null) { 3953 list.add(pi); 3954 } 3955 } 3956 } else { 3957 list = new ArrayList<PackageInfo>(mPackages.size()); 3958 for (PackageParser.Package p : mPackages.values()) { 3959 PackageInfo pi = generatePackageInfo(p, flags, userId); 3960 if (pi != null) { 3961 list.add(pi); 3962 } 3963 } 3964 } 3965 3966 return new ParceledListSlice<PackageInfo>(list); 3967 } 3968 } 3969 3970 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3971 String[] permissions, boolean[] tmp, int flags, int userId) { 3972 int numMatch = 0; 3973 final PermissionsState permissionsState = ps.getPermissionsState(); 3974 for (int i=0; i<permissions.length; i++) { 3975 final String permission = permissions[i]; 3976 if (permissionsState.hasPermission(permission, userId)) { 3977 tmp[i] = true; 3978 numMatch++; 3979 } else { 3980 tmp[i] = false; 3981 } 3982 } 3983 if (numMatch == 0) { 3984 return; 3985 } 3986 PackageInfo pi; 3987 if (ps.pkg != null) { 3988 pi = generatePackageInfo(ps.pkg, flags, userId); 3989 } else { 3990 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3991 } 3992 // The above might return null in cases of uninstalled apps or install-state 3993 // skew across users/profiles. 3994 if (pi != null) { 3995 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3996 if (numMatch == permissions.length) { 3997 pi.requestedPermissions = permissions; 3998 } else { 3999 pi.requestedPermissions = new String[numMatch]; 4000 numMatch = 0; 4001 for (int i=0; i<permissions.length; i++) { 4002 if (tmp[i]) { 4003 pi.requestedPermissions[numMatch] = permissions[i]; 4004 numMatch++; 4005 } 4006 } 4007 } 4008 } 4009 list.add(pi); 4010 } 4011 } 4012 4013 @Override 4014 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 4015 String[] permissions, int flags, int userId) { 4016 if (!sUserManager.exists(userId)) return null; 4017 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4018 4019 // writer 4020 synchronized (mPackages) { 4021 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 4022 boolean[] tmpBools = new boolean[permissions.length]; 4023 if (listUninstalled) { 4024 for (PackageSetting ps : mSettings.mPackages.values()) { 4025 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 4026 } 4027 } else { 4028 for (PackageParser.Package pkg : mPackages.values()) { 4029 PackageSetting ps = (PackageSetting)pkg.mExtras; 4030 if (ps != null) { 4031 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 4032 userId); 4033 } 4034 } 4035 } 4036 4037 return new ParceledListSlice<PackageInfo>(list); 4038 } 4039 } 4040 4041 @Override 4042 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4043 if (!sUserManager.exists(userId)) return null; 4044 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4045 4046 // writer 4047 synchronized (mPackages) { 4048 ArrayList<ApplicationInfo> list; 4049 if (listUninstalled) { 4050 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4051 for (PackageSetting ps : mSettings.mPackages.values()) { 4052 ApplicationInfo ai; 4053 if (ps.pkg != null) { 4054 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4055 ps.readUserState(userId), userId); 4056 } else { 4057 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4058 } 4059 if (ai != null) { 4060 list.add(ai); 4061 } 4062 } 4063 } else { 4064 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4065 for (PackageParser.Package p : mPackages.values()) { 4066 if (p.mExtras != null) { 4067 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4068 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4069 if (ai != null) { 4070 list.add(ai); 4071 } 4072 } 4073 } 4074 } 4075 4076 return new ParceledListSlice<ApplicationInfo>(list); 4077 } 4078 } 4079 4080 public List<ApplicationInfo> getPersistentApplications(int flags) { 4081 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4082 4083 // reader 4084 synchronized (mPackages) { 4085 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4086 final int userId = UserHandle.getCallingUserId(); 4087 while (i.hasNext()) { 4088 final PackageParser.Package p = i.next(); 4089 if (p.applicationInfo != null 4090 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4091 && (!mSafeMode || isSystemApp(p))) { 4092 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4093 if (ps != null) { 4094 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4095 ps.readUserState(userId), userId); 4096 if (ai != null) { 4097 finalList.add(ai); 4098 } 4099 } 4100 } 4101 } 4102 } 4103 4104 return finalList; 4105 } 4106 4107 @Override 4108 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4109 if (!sUserManager.exists(userId)) return null; 4110 // reader 4111 synchronized (mPackages) { 4112 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4113 PackageSetting ps = provider != null 4114 ? mSettings.mPackages.get(provider.owner.packageName) 4115 : null; 4116 return ps != null 4117 && mSettings.isEnabledLPr(provider.info, flags, userId) 4118 && (!mSafeMode || (provider.info.applicationInfo.flags 4119 &ApplicationInfo.FLAG_SYSTEM) != 0) 4120 ? PackageParser.generateProviderInfo(provider, flags, 4121 ps.readUserState(userId), userId) 4122 : null; 4123 } 4124 } 4125 4126 /** 4127 * @deprecated 4128 */ 4129 @Deprecated 4130 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4131 // reader 4132 synchronized (mPackages) { 4133 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4134 .entrySet().iterator(); 4135 final int userId = UserHandle.getCallingUserId(); 4136 while (i.hasNext()) { 4137 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4138 PackageParser.Provider p = entry.getValue(); 4139 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4140 4141 if (ps != null && p.syncable 4142 && (!mSafeMode || (p.info.applicationInfo.flags 4143 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4144 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4145 ps.readUserState(userId), userId); 4146 if (info != null) { 4147 outNames.add(entry.getKey()); 4148 outInfo.add(info); 4149 } 4150 } 4151 } 4152 } 4153 } 4154 4155 @Override 4156 public List<ProviderInfo> queryContentProviders(String processName, 4157 int uid, int flags) { 4158 ArrayList<ProviderInfo> finalList = null; 4159 // reader 4160 synchronized (mPackages) { 4161 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4162 final int userId = processName != null ? 4163 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4164 while (i.hasNext()) { 4165 final PackageParser.Provider p = i.next(); 4166 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4167 if (ps != null && p.info.authority != null 4168 && (processName == null 4169 || (p.info.processName.equals(processName) 4170 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4171 && mSettings.isEnabledLPr(p.info, flags, userId) 4172 && (!mSafeMode 4173 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4174 if (finalList == null) { 4175 finalList = new ArrayList<ProviderInfo>(3); 4176 } 4177 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4178 ps.readUserState(userId), userId); 4179 if (info != null) { 4180 finalList.add(info); 4181 } 4182 } 4183 } 4184 } 4185 4186 if (finalList != null) { 4187 Collections.sort(finalList, mProviderInitOrderSorter); 4188 } 4189 4190 return finalList; 4191 } 4192 4193 @Override 4194 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4195 int flags) { 4196 // reader 4197 synchronized (mPackages) { 4198 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4199 return PackageParser.generateInstrumentationInfo(i, flags); 4200 } 4201 } 4202 4203 @Override 4204 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4205 int flags) { 4206 ArrayList<InstrumentationInfo> finalList = 4207 new ArrayList<InstrumentationInfo>(); 4208 4209 // reader 4210 synchronized (mPackages) { 4211 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4212 while (i.hasNext()) { 4213 final PackageParser.Instrumentation p = i.next(); 4214 if (targetPackage == null 4215 || targetPackage.equals(p.info.targetPackage)) { 4216 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4217 flags); 4218 if (ii != null) { 4219 finalList.add(ii); 4220 } 4221 } 4222 } 4223 } 4224 4225 return finalList; 4226 } 4227 4228 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4229 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4230 if (overlays == null) { 4231 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4232 return; 4233 } 4234 for (PackageParser.Package opkg : overlays.values()) { 4235 // Not much to do if idmap fails: we already logged the error 4236 // and we certainly don't want to abort installation of pkg simply 4237 // because an overlay didn't fit properly. For these reasons, 4238 // ignore the return value of createIdmapForPackagePairLI. 4239 createIdmapForPackagePairLI(pkg, opkg); 4240 } 4241 } 4242 4243 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4244 PackageParser.Package opkg) { 4245 if (!opkg.mTrustedOverlay) { 4246 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4247 opkg.baseCodePath + ": overlay not trusted"); 4248 return false; 4249 } 4250 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4251 if (overlaySet == null) { 4252 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4253 opkg.baseCodePath + " but target package has no known overlays"); 4254 return false; 4255 } 4256 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4257 // TODO: generate idmap for split APKs 4258 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4259 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4260 + opkg.baseCodePath); 4261 return false; 4262 } 4263 PackageParser.Package[] overlayArray = 4264 overlaySet.values().toArray(new PackageParser.Package[0]); 4265 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4266 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4267 return p1.mOverlayPriority - p2.mOverlayPriority; 4268 } 4269 }; 4270 Arrays.sort(overlayArray, cmp); 4271 4272 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4273 int i = 0; 4274 for (PackageParser.Package p : overlayArray) { 4275 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4276 } 4277 return true; 4278 } 4279 4280 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4281 final File[] files = dir.listFiles(); 4282 if (ArrayUtils.isEmpty(files)) { 4283 Log.d(TAG, "No files in app dir " + dir); 4284 return; 4285 } 4286 4287 if (DEBUG_PACKAGE_SCANNING) { 4288 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4289 + " flags=0x" + Integer.toHexString(parseFlags)); 4290 } 4291 4292 for (File file : files) { 4293 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4294 && !PackageInstallerService.isStageName(file.getName()); 4295 if (!isPackage) { 4296 // Ignore entries which are not packages 4297 continue; 4298 } 4299 try { 4300 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4301 scanFlags, currentTime, null); 4302 } catch (PackageManagerException e) { 4303 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4304 4305 // Delete invalid userdata apps 4306 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4307 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4308 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4309 if (file.isDirectory()) { 4310 FileUtils.deleteContents(file); 4311 } 4312 file.delete(); 4313 } 4314 } 4315 } 4316 } 4317 4318 private static File getSettingsProblemFile() { 4319 File dataDir = Environment.getDataDirectory(); 4320 File systemDir = new File(dataDir, "system"); 4321 File fname = new File(systemDir, "uiderrors.txt"); 4322 return fname; 4323 } 4324 4325 static void reportSettingsProblem(int priority, String msg) { 4326 logCriticalInfo(priority, msg); 4327 } 4328 4329 static void logCriticalInfo(int priority, String msg) { 4330 Slog.println(priority, TAG, msg); 4331 EventLogTags.writePmCriticalInfo(msg); 4332 try { 4333 File fname = getSettingsProblemFile(); 4334 FileOutputStream out = new FileOutputStream(fname, true); 4335 PrintWriter pw = new FastPrintWriter(out); 4336 SimpleDateFormat formatter = new SimpleDateFormat(); 4337 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4338 pw.println(dateString + ": " + msg); 4339 pw.close(); 4340 FileUtils.setPermissions( 4341 fname.toString(), 4342 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4343 -1, -1); 4344 } catch (java.io.IOException e) { 4345 } 4346 } 4347 4348 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4349 PackageParser.Package pkg, File srcFile, int parseFlags) 4350 throws PackageManagerException { 4351 if (ps != null 4352 && ps.codePath.equals(srcFile) 4353 && ps.timeStamp == srcFile.lastModified() 4354 && !isCompatSignatureUpdateNeeded(pkg) 4355 && !isRecoverSignatureUpdateNeeded(pkg)) { 4356 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4357 if (ps.signatures.mSignatures != null 4358 && ps.signatures.mSignatures.length != 0 4359 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4360 // Optimization: reuse the existing cached certificates 4361 // if the package appears to be unchanged. 4362 pkg.mSignatures = ps.signatures.mSignatures; 4363 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4364 synchronized (mPackages) { 4365 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4366 } 4367 return; 4368 } 4369 4370 Slog.w(TAG, "PackageSetting for " + ps.name 4371 + " is missing signatures. Collecting certs again to recover them."); 4372 } else { 4373 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4374 } 4375 4376 try { 4377 pp.collectCertificates(pkg, parseFlags); 4378 pp.collectManifestDigest(pkg); 4379 } catch (PackageParserException e) { 4380 throw PackageManagerException.from(e); 4381 } 4382 } 4383 4384 /* 4385 * Scan a package and return the newly parsed package. 4386 * Returns null in case of errors and the error code is stored in mLastScanError 4387 */ 4388 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4389 long currentTime, UserHandle user) throws PackageManagerException { 4390 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4391 parseFlags |= mDefParseFlags; 4392 PackageParser pp = new PackageParser(); 4393 pp.setSeparateProcesses(mSeparateProcesses); 4394 pp.setOnlyCoreApps(mOnlyCore); 4395 pp.setDisplayMetrics(mMetrics); 4396 4397 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4398 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4399 } 4400 4401 final PackageParser.Package pkg; 4402 try { 4403 pkg = pp.parsePackage(scanFile, parseFlags); 4404 } catch (PackageParserException e) { 4405 throw PackageManagerException.from(e); 4406 } 4407 4408 PackageSetting ps = null; 4409 PackageSetting updatedPkg; 4410 // reader 4411 synchronized (mPackages) { 4412 // Look to see if we already know about this package. 4413 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4414 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4415 // This package has been renamed to its original name. Let's 4416 // use that. 4417 ps = mSettings.peekPackageLPr(oldName); 4418 } 4419 // If there was no original package, see one for the real package name. 4420 if (ps == null) { 4421 ps = mSettings.peekPackageLPr(pkg.packageName); 4422 } 4423 // Check to see if this package could be hiding/updating a system 4424 // package. Must look for it either under the original or real 4425 // package name depending on our state. 4426 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4427 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4428 } 4429 boolean updatedPkgBetter = false; 4430 // First check if this is a system package that may involve an update 4431 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4432 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4433 // it needs to drop FLAG_PRIVILEGED. 4434 if (locationIsPrivileged(scanFile)) { 4435 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4436 } else { 4437 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4438 } 4439 4440 if (ps != null && !ps.codePath.equals(scanFile)) { 4441 // The path has changed from what was last scanned... check the 4442 // version of the new path against what we have stored to determine 4443 // what to do. 4444 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4445 if (pkg.mVersionCode <= ps.versionCode) { 4446 // The system package has been updated and the code path does not match 4447 // Ignore entry. Skip it. 4448 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4449 + " ignored: updated version " + ps.versionCode 4450 + " better than this " + pkg.mVersionCode); 4451 if (!updatedPkg.codePath.equals(scanFile)) { 4452 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4453 + ps.name + " changing from " + updatedPkg.codePathString 4454 + " to " + scanFile); 4455 updatedPkg.codePath = scanFile; 4456 updatedPkg.codePathString = scanFile.toString(); 4457 updatedPkg.resourcePath = scanFile; 4458 updatedPkg.resourcePathString = scanFile.toString(); 4459 } 4460 updatedPkg.pkg = pkg; 4461 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4462 } else { 4463 // The current app on the system partition is better than 4464 // what we have updated to on the data partition; switch 4465 // back to the system partition version. 4466 // At this point, its safely assumed that package installation for 4467 // apps in system partition will go through. If not there won't be a working 4468 // version of the app 4469 // writer 4470 synchronized (mPackages) { 4471 // Just remove the loaded entries from package lists. 4472 mPackages.remove(ps.name); 4473 } 4474 4475 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4476 + " reverting from " + ps.codePathString 4477 + ": new version " + pkg.mVersionCode 4478 + " better than installed " + ps.versionCode); 4479 4480 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4481 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4482 getAppDexInstructionSets(ps)); 4483 synchronized (mInstallLock) { 4484 args.cleanUpResourcesLI(); 4485 } 4486 synchronized (mPackages) { 4487 mSettings.enableSystemPackageLPw(ps.name); 4488 } 4489 updatedPkgBetter = true; 4490 } 4491 } 4492 } 4493 4494 if (updatedPkg != null) { 4495 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4496 // initially 4497 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4498 4499 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4500 // flag set initially 4501 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4502 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4503 } 4504 } 4505 4506 // Verify certificates against what was last scanned 4507 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4508 4509 /* 4510 * A new system app appeared, but we already had a non-system one of the 4511 * same name installed earlier. 4512 */ 4513 boolean shouldHideSystemApp = false; 4514 if (updatedPkg == null && ps != null 4515 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4516 /* 4517 * Check to make sure the signatures match first. If they don't, 4518 * wipe the installed application and its data. 4519 */ 4520 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4521 != PackageManager.SIGNATURE_MATCH) { 4522 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4523 + " signatures don't match existing userdata copy; removing"); 4524 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4525 ps = null; 4526 } else { 4527 /* 4528 * If the newly-added system app is an older version than the 4529 * already installed version, hide it. It will be scanned later 4530 * and re-added like an update. 4531 */ 4532 if (pkg.mVersionCode <= ps.versionCode) { 4533 shouldHideSystemApp = true; 4534 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4535 + " but new version " + pkg.mVersionCode + " better than installed " 4536 + ps.versionCode + "; hiding system"); 4537 } else { 4538 /* 4539 * The newly found system app is a newer version that the 4540 * one previously installed. Simply remove the 4541 * already-installed application and replace it with our own 4542 * while keeping the application data. 4543 */ 4544 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4545 + " reverting from " + ps.codePathString + ": new version " 4546 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4547 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4548 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4549 getAppDexInstructionSets(ps)); 4550 synchronized (mInstallLock) { 4551 args.cleanUpResourcesLI(); 4552 } 4553 } 4554 } 4555 } 4556 4557 // The apk is forward locked (not public) if its code and resources 4558 // are kept in different files. (except for app in either system or 4559 // vendor path). 4560 // TODO grab this value from PackageSettings 4561 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4562 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4563 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4564 } 4565 } 4566 4567 // TODO: extend to support forward-locked splits 4568 String resourcePath = null; 4569 String baseResourcePath = null; 4570 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4571 if (ps != null && ps.resourcePathString != null) { 4572 resourcePath = ps.resourcePathString; 4573 baseResourcePath = ps.resourcePathString; 4574 } else { 4575 // Should not happen at all. Just log an error. 4576 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4577 } 4578 } else { 4579 resourcePath = pkg.codePath; 4580 baseResourcePath = pkg.baseCodePath; 4581 } 4582 4583 // Set application objects path explicitly. 4584 pkg.applicationInfo.setCodePath(pkg.codePath); 4585 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4586 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4587 pkg.applicationInfo.setResourcePath(resourcePath); 4588 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4589 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4590 4591 // Note that we invoke the following method only if we are about to unpack an application 4592 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4593 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4594 4595 /* 4596 * If the system app should be overridden by a previously installed 4597 * data, hide the system app now and let the /data/app scan pick it up 4598 * again. 4599 */ 4600 if (shouldHideSystemApp) { 4601 synchronized (mPackages) { 4602 /* 4603 * We have to grant systems permissions before we hide, because 4604 * grantPermissions will assume the package update is trying to 4605 * expand its permissions. 4606 */ 4607 grantPermissionsLPw(pkg, true, pkg.packageName); 4608 mSettings.disableSystemPackageLPw(pkg.packageName); 4609 } 4610 } 4611 4612 return scannedPkg; 4613 } 4614 4615 private static String fixProcessName(String defProcessName, 4616 String processName, int uid) { 4617 if (processName == null) { 4618 return defProcessName; 4619 } 4620 return processName; 4621 } 4622 4623 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4624 throws PackageManagerException { 4625 if (pkgSetting.signatures.mSignatures != null) { 4626 // Already existing package. Make sure signatures match 4627 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4628 == PackageManager.SIGNATURE_MATCH; 4629 if (!match) { 4630 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4631 == PackageManager.SIGNATURE_MATCH; 4632 } 4633 if (!match) { 4634 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4635 == PackageManager.SIGNATURE_MATCH; 4636 } 4637 if (!match) { 4638 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4639 + pkg.packageName + " signatures do not match the " 4640 + "previously installed version; ignoring!"); 4641 } 4642 } 4643 4644 // Check for shared user signatures 4645 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4646 // Already existing package. Make sure signatures match 4647 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4648 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4649 if (!match) { 4650 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4651 == PackageManager.SIGNATURE_MATCH; 4652 } 4653 if (!match) { 4654 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4655 == PackageManager.SIGNATURE_MATCH; 4656 } 4657 if (!match) { 4658 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4659 "Package " + pkg.packageName 4660 + " has no signatures that match those in shared user " 4661 + pkgSetting.sharedUser.name + "; ignoring!"); 4662 } 4663 } 4664 } 4665 4666 /** 4667 * Enforces that only the system UID or root's UID can call a method exposed 4668 * via Binder. 4669 * 4670 * @param message used as message if SecurityException is thrown 4671 * @throws SecurityException if the caller is not system or root 4672 */ 4673 private static final void enforceSystemOrRoot(String message) { 4674 final int uid = Binder.getCallingUid(); 4675 if (uid != Process.SYSTEM_UID && uid != 0) { 4676 throw new SecurityException(message); 4677 } 4678 } 4679 4680 @Override 4681 public void performBootDexOpt() { 4682 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4683 4684 // Before everything else, see whether we need to fstrim. 4685 try { 4686 IMountService ms = PackageHelper.getMountService(); 4687 if (ms != null) { 4688 final boolean isUpgrade = isUpgrade(); 4689 boolean doTrim = isUpgrade; 4690 if (doTrim) { 4691 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4692 } else { 4693 final long interval = android.provider.Settings.Global.getLong( 4694 mContext.getContentResolver(), 4695 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4696 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4697 if (interval > 0) { 4698 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4699 if (timeSinceLast > interval) { 4700 doTrim = true; 4701 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4702 + "; running immediately"); 4703 } 4704 } 4705 } 4706 if (doTrim) { 4707 if (!isFirstBoot()) { 4708 try { 4709 ActivityManagerNative.getDefault().showBootMessage( 4710 mContext.getResources().getString( 4711 R.string.android_upgrading_fstrim), true); 4712 } catch (RemoteException e) { 4713 } 4714 } 4715 ms.runMaintenance(); 4716 } 4717 } else { 4718 Slog.e(TAG, "Mount service unavailable!"); 4719 } 4720 } catch (RemoteException e) { 4721 // Can't happen; MountService is local 4722 } 4723 4724 final ArraySet<PackageParser.Package> pkgs; 4725 synchronized (mPackages) { 4726 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4727 } 4728 4729 if (pkgs != null) { 4730 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4731 // in case the device runs out of space. 4732 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4733 // Give priority to core apps. 4734 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4735 PackageParser.Package pkg = it.next(); 4736 if (pkg.coreApp) { 4737 if (DEBUG_DEXOPT) { 4738 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4739 } 4740 sortedPkgs.add(pkg); 4741 it.remove(); 4742 } 4743 } 4744 // Give priority to system apps that listen for pre boot complete. 4745 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4746 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4747 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4748 PackageParser.Package pkg = it.next(); 4749 if (pkgNames.contains(pkg.packageName)) { 4750 if (DEBUG_DEXOPT) { 4751 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4752 } 4753 sortedPkgs.add(pkg); 4754 it.remove(); 4755 } 4756 } 4757 // Give priority to system apps. 4758 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4759 PackageParser.Package pkg = it.next(); 4760 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4761 if (DEBUG_DEXOPT) { 4762 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4763 } 4764 sortedPkgs.add(pkg); 4765 it.remove(); 4766 } 4767 } 4768 // Give priority to updated system apps. 4769 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4770 PackageParser.Package pkg = it.next(); 4771 if (isUpdatedSystemApp(pkg)) { 4772 if (DEBUG_DEXOPT) { 4773 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4774 } 4775 sortedPkgs.add(pkg); 4776 it.remove(); 4777 } 4778 } 4779 // Give priority to apps that listen for boot complete. 4780 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4781 pkgNames = getPackageNamesForIntent(intent); 4782 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4783 PackageParser.Package pkg = it.next(); 4784 if (pkgNames.contains(pkg.packageName)) { 4785 if (DEBUG_DEXOPT) { 4786 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4787 } 4788 sortedPkgs.add(pkg); 4789 it.remove(); 4790 } 4791 } 4792 // Filter out packages that aren't recently used. 4793 filterRecentlyUsedApps(pkgs); 4794 // Add all remaining apps. 4795 for (PackageParser.Package pkg : pkgs) { 4796 if (DEBUG_DEXOPT) { 4797 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4798 } 4799 sortedPkgs.add(pkg); 4800 } 4801 4802 // If we want to be lazy, filter everything that wasn't recently used. 4803 if (mLazyDexOpt) { 4804 filterRecentlyUsedApps(sortedPkgs); 4805 } 4806 4807 int i = 0; 4808 int total = sortedPkgs.size(); 4809 File dataDir = Environment.getDataDirectory(); 4810 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4811 if (lowThreshold == 0) { 4812 throw new IllegalStateException("Invalid low memory threshold"); 4813 } 4814 for (PackageParser.Package pkg : sortedPkgs) { 4815 long usableSpace = dataDir.getUsableSpace(); 4816 if (usableSpace < lowThreshold) { 4817 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4818 break; 4819 } 4820 performBootDexOpt(pkg, ++i, total); 4821 } 4822 } 4823 } 4824 4825 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4826 // Filter out packages that aren't recently used. 4827 // 4828 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4829 // should do a full dexopt. 4830 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4831 int total = pkgs.size(); 4832 int skipped = 0; 4833 long now = System.currentTimeMillis(); 4834 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4835 PackageParser.Package pkg = i.next(); 4836 long then = pkg.mLastPackageUsageTimeInMills; 4837 if (then + mDexOptLRUThresholdInMills < now) { 4838 if (DEBUG_DEXOPT) { 4839 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4840 ((then == 0) ? "never" : new Date(then))); 4841 } 4842 i.remove(); 4843 skipped++; 4844 } 4845 } 4846 if (DEBUG_DEXOPT) { 4847 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4848 } 4849 } 4850 } 4851 4852 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4853 List<ResolveInfo> ris = null; 4854 try { 4855 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4856 intent, null, 0, UserHandle.USER_OWNER); 4857 } catch (RemoteException e) { 4858 } 4859 ArraySet<String> pkgNames = new ArraySet<String>(); 4860 if (ris != null) { 4861 for (ResolveInfo ri : ris) { 4862 pkgNames.add(ri.activityInfo.packageName); 4863 } 4864 } 4865 return pkgNames; 4866 } 4867 4868 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4869 if (DEBUG_DEXOPT) { 4870 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4871 } 4872 if (!isFirstBoot()) { 4873 try { 4874 ActivityManagerNative.getDefault().showBootMessage( 4875 mContext.getResources().getString(R.string.android_upgrading_apk, 4876 curr, total), true); 4877 } catch (RemoteException e) { 4878 } 4879 } 4880 PackageParser.Package p = pkg; 4881 synchronized (mInstallLock) { 4882 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4883 false /* force dex */, false /* defer */, true /* include dependencies */); 4884 } 4885 } 4886 4887 @Override 4888 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4889 return performDexOpt(packageName, instructionSet, false); 4890 } 4891 4892 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4893 if (info.primaryCpuAbi == null) { 4894 return getPreferredInstructionSet(); 4895 } 4896 4897 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4898 } 4899 4900 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4901 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4902 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4903 if (!dexopt && !updateUsage) { 4904 // We aren't going to dexopt or update usage, so bail early. 4905 return false; 4906 } 4907 PackageParser.Package p; 4908 final String targetInstructionSet; 4909 synchronized (mPackages) { 4910 p = mPackages.get(packageName); 4911 if (p == null) { 4912 return false; 4913 } 4914 if (updateUsage) { 4915 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4916 } 4917 mPackageUsage.write(false); 4918 if (!dexopt) { 4919 // We aren't going to dexopt, so bail early. 4920 return false; 4921 } 4922 4923 targetInstructionSet = instructionSet != null ? instructionSet : 4924 getPrimaryInstructionSet(p.applicationInfo); 4925 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4926 return false; 4927 } 4928 } 4929 4930 synchronized (mInstallLock) { 4931 final String[] instructionSets = new String[] { targetInstructionSet }; 4932 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4933 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4934 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4935 } 4936 } 4937 4938 public ArraySet<String> getPackagesThatNeedDexOpt() { 4939 ArraySet<String> pkgs = null; 4940 synchronized (mPackages) { 4941 for (PackageParser.Package p : mPackages.values()) { 4942 if (DEBUG_DEXOPT) { 4943 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4944 } 4945 if (!p.mDexOptPerformed.isEmpty()) { 4946 continue; 4947 } 4948 if (pkgs == null) { 4949 pkgs = new ArraySet<String>(); 4950 } 4951 pkgs.add(p.packageName); 4952 } 4953 } 4954 return pkgs; 4955 } 4956 4957 public void shutdown() { 4958 mPackageUsage.write(true); 4959 } 4960 4961 @Override 4962 public void forceDexOpt(String packageName) { 4963 enforceSystemOrRoot("forceDexOpt"); 4964 4965 PackageParser.Package pkg; 4966 synchronized (mPackages) { 4967 pkg = mPackages.get(packageName); 4968 if (pkg == null) { 4969 throw new IllegalArgumentException("Missing package: " + packageName); 4970 } 4971 } 4972 4973 synchronized (mInstallLock) { 4974 final String[] instructionSets = new String[] { 4975 getPrimaryInstructionSet(pkg.applicationInfo) }; 4976 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 4977 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 4978 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 4979 throw new IllegalStateException("Failed to dexopt: " + res); 4980 } 4981 } 4982 } 4983 4984 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4985 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4986 Slog.w(TAG, "Unable to update from " + oldPkg.name 4987 + " to " + newPkg.packageName 4988 + ": old package not in system partition"); 4989 return false; 4990 } else if (mPackages.get(oldPkg.name) != null) { 4991 Slog.w(TAG, "Unable to update from " + oldPkg.name 4992 + " to " + newPkg.packageName 4993 + ": old package still exists"); 4994 return false; 4995 } 4996 return true; 4997 } 4998 4999 private File getDataPathForPackage(String packageName, int userId) { 5000 /* 5001 * Until we fully support multiple users, return the directory we 5002 * previously would have. The PackageManagerTests will need to be 5003 * revised when this is changed back.. 5004 */ 5005 if (userId == 0) { 5006 return new File(mAppDataDir, packageName); 5007 } else { 5008 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5009 + File.separator + packageName); 5010 } 5011 } 5012 5013 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5014 int[] users = sUserManager.getUserIds(); 5015 int res = mInstaller.install(packageName, uid, uid, seinfo); 5016 if (res < 0) { 5017 return res; 5018 } 5019 for (int user : users) { 5020 if (user != 0) { 5021 res = mInstaller.createUserData(packageName, 5022 UserHandle.getUid(user, uid), user, seinfo); 5023 if (res < 0) { 5024 return res; 5025 } 5026 } 5027 } 5028 return res; 5029 } 5030 5031 private int removeDataDirsLI(String packageName) { 5032 int[] users = sUserManager.getUserIds(); 5033 int res = 0; 5034 for (int user : users) { 5035 int resInner = mInstaller.remove(packageName, user); 5036 if (resInner < 0) { 5037 res = resInner; 5038 } 5039 } 5040 5041 return res; 5042 } 5043 5044 private int deleteCodeCacheDirsLI(String packageName) { 5045 int[] users = sUserManager.getUserIds(); 5046 int res = 0; 5047 for (int user : users) { 5048 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5049 if (resInner < 0) { 5050 res = resInner; 5051 } 5052 } 5053 return res; 5054 } 5055 5056 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5057 PackageParser.Package changingLib) { 5058 if (file.path != null) { 5059 usesLibraryFiles.add(file.path); 5060 return; 5061 } 5062 PackageParser.Package p = mPackages.get(file.apk); 5063 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5064 // If we are doing this while in the middle of updating a library apk, 5065 // then we need to make sure to use that new apk for determining the 5066 // dependencies here. (We haven't yet finished committing the new apk 5067 // to the package manager state.) 5068 if (p == null || p.packageName.equals(changingLib.packageName)) { 5069 p = changingLib; 5070 } 5071 } 5072 if (p != null) { 5073 usesLibraryFiles.addAll(p.getAllCodePaths()); 5074 } 5075 } 5076 5077 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5078 PackageParser.Package changingLib) throws PackageManagerException { 5079 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5080 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5081 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5082 for (int i=0; i<N; i++) { 5083 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5084 if (file == null) { 5085 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5086 "Package " + pkg.packageName + " requires unavailable shared library " 5087 + pkg.usesLibraries.get(i) + "; failing!"); 5088 } 5089 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5090 } 5091 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5092 for (int i=0; i<N; i++) { 5093 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5094 if (file == null) { 5095 Slog.w(TAG, "Package " + pkg.packageName 5096 + " desires unavailable shared library " 5097 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5098 } else { 5099 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5100 } 5101 } 5102 N = usesLibraryFiles.size(); 5103 if (N > 0) { 5104 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5105 } else { 5106 pkg.usesLibraryFiles = null; 5107 } 5108 } 5109 } 5110 5111 private static boolean hasString(List<String> list, List<String> which) { 5112 if (list == null) { 5113 return false; 5114 } 5115 for (int i=list.size()-1; i>=0; i--) { 5116 for (int j=which.size()-1; j>=0; j--) { 5117 if (which.get(j).equals(list.get(i))) { 5118 return true; 5119 } 5120 } 5121 } 5122 return false; 5123 } 5124 5125 private void updateAllSharedLibrariesLPw() { 5126 for (PackageParser.Package pkg : mPackages.values()) { 5127 try { 5128 updateSharedLibrariesLPw(pkg, null); 5129 } catch (PackageManagerException e) { 5130 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5131 } 5132 } 5133 } 5134 5135 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5136 PackageParser.Package changingPkg) { 5137 ArrayList<PackageParser.Package> res = null; 5138 for (PackageParser.Package pkg : mPackages.values()) { 5139 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5140 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5141 if (res == null) { 5142 res = new ArrayList<PackageParser.Package>(); 5143 } 5144 res.add(pkg); 5145 try { 5146 updateSharedLibrariesLPw(pkg, changingPkg); 5147 } catch (PackageManagerException e) { 5148 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5149 } 5150 } 5151 } 5152 return res; 5153 } 5154 5155 /** 5156 * Derive the value of the {@code cpuAbiOverride} based on the provided 5157 * value and an optional stored value from the package settings. 5158 */ 5159 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5160 String cpuAbiOverride = null; 5161 5162 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5163 cpuAbiOverride = null; 5164 } else if (abiOverride != null) { 5165 cpuAbiOverride = abiOverride; 5166 } else if (settings != null) { 5167 cpuAbiOverride = settings.cpuAbiOverrideString; 5168 } 5169 5170 return cpuAbiOverride; 5171 } 5172 5173 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5174 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5175 boolean success = false; 5176 try { 5177 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5178 currentTime, user); 5179 success = true; 5180 return res; 5181 } finally { 5182 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5183 removeDataDirsLI(pkg.packageName); 5184 } 5185 } 5186 } 5187 5188 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5189 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5190 final File scanFile = new File(pkg.codePath); 5191 if (pkg.applicationInfo.getCodePath() == null || 5192 pkg.applicationInfo.getResourcePath() == null) { 5193 // Bail out. The resource and code paths haven't been set. 5194 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5195 "Code and resource paths haven't been set correctly"); 5196 } 5197 5198 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5199 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5200 } else { 5201 // Only allow system apps to be flagged as core apps. 5202 pkg.coreApp = false; 5203 } 5204 5205 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5206 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5207 } 5208 5209 if (mCustomResolverComponentName != null && 5210 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5211 setUpCustomResolverActivity(pkg); 5212 } 5213 5214 if (pkg.packageName.equals("android")) { 5215 synchronized (mPackages) { 5216 if (mAndroidApplication != null) { 5217 Slog.w(TAG, "*************************************************"); 5218 Slog.w(TAG, "Core android package being redefined. Skipping."); 5219 Slog.w(TAG, " file=" + scanFile); 5220 Slog.w(TAG, "*************************************************"); 5221 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5222 "Core android package being redefined. Skipping."); 5223 } 5224 5225 // Set up information for our fall-back user intent resolution activity. 5226 mPlatformPackage = pkg; 5227 pkg.mVersionCode = mSdkVersion; 5228 mAndroidApplication = pkg.applicationInfo; 5229 5230 if (!mResolverReplaced) { 5231 mResolveActivity.applicationInfo = mAndroidApplication; 5232 mResolveActivity.name = ResolverActivity.class.getName(); 5233 mResolveActivity.packageName = mAndroidApplication.packageName; 5234 mResolveActivity.processName = "system:ui"; 5235 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5236 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5237 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5238 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5239 mResolveActivity.exported = true; 5240 mResolveActivity.enabled = true; 5241 mResolveInfo.activityInfo = mResolveActivity; 5242 mResolveInfo.priority = 0; 5243 mResolveInfo.preferredOrder = 0; 5244 mResolveInfo.match = 0; 5245 mResolveComponentName = new ComponentName( 5246 mAndroidApplication.packageName, mResolveActivity.name); 5247 } 5248 } 5249 } 5250 5251 if (DEBUG_PACKAGE_SCANNING) { 5252 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5253 Log.d(TAG, "Scanning package " + pkg.packageName); 5254 } 5255 5256 if (mPackages.containsKey(pkg.packageName) 5257 || mSharedLibraries.containsKey(pkg.packageName)) { 5258 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5259 "Application package " + pkg.packageName 5260 + " already installed. Skipping duplicate."); 5261 } 5262 5263 // If we're only installing presumed-existing packages, require that the 5264 // scanned APK is both already known and at the path previously established 5265 // for it. Previously unknown packages we pick up normally, but if we have an 5266 // a priori expectation about this package's install presence, enforce it. 5267 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 5268 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 5269 if (known != null) { 5270 if (DEBUG_PACKAGE_SCANNING) { 5271 Log.d(TAG, "Examining " + pkg.codePath 5272 + " and requiring known paths " + known.codePathString 5273 + " & " + known.resourcePathString); 5274 } 5275 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 5276 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 5277 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 5278 "Application package " + pkg.packageName 5279 + " found at " + pkg.applicationInfo.getCodePath() 5280 + " but expected at " + known.codePathString + "; ignoring."); 5281 } 5282 } 5283 } 5284 5285 // Initialize package source and resource directories 5286 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5287 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5288 5289 SharedUserSetting suid = null; 5290 PackageSetting pkgSetting = null; 5291 5292 if (!isSystemApp(pkg)) { 5293 // Only system apps can use these features. 5294 pkg.mOriginalPackages = null; 5295 pkg.mRealPackage = null; 5296 pkg.mAdoptPermissions = null; 5297 } 5298 5299 // writer 5300 synchronized (mPackages) { 5301 if (pkg.mSharedUserId != null) { 5302 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5303 if (suid == null) { 5304 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5305 "Creating application package " + pkg.packageName 5306 + " for shared user failed"); 5307 } 5308 if (DEBUG_PACKAGE_SCANNING) { 5309 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5310 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5311 + "): packages=" + suid.packages); 5312 } 5313 } 5314 5315 // Check if we are renaming from an original package name. 5316 PackageSetting origPackage = null; 5317 String realName = null; 5318 if (pkg.mOriginalPackages != null) { 5319 // This package may need to be renamed to a previously 5320 // installed name. Let's check on that... 5321 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5322 if (pkg.mOriginalPackages.contains(renamed)) { 5323 // This package had originally been installed as the 5324 // original name, and we have already taken care of 5325 // transitioning to the new one. Just update the new 5326 // one to continue using the old name. 5327 realName = pkg.mRealPackage; 5328 if (!pkg.packageName.equals(renamed)) { 5329 // Callers into this function may have already taken 5330 // care of renaming the package; only do it here if 5331 // it is not already done. 5332 pkg.setPackageName(renamed); 5333 } 5334 5335 } else { 5336 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5337 if ((origPackage = mSettings.peekPackageLPr( 5338 pkg.mOriginalPackages.get(i))) != null) { 5339 // We do have the package already installed under its 5340 // original name... should we use it? 5341 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5342 // New package is not compatible with original. 5343 origPackage = null; 5344 continue; 5345 } else if (origPackage.sharedUser != null) { 5346 // Make sure uid is compatible between packages. 5347 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5348 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5349 + " to " + pkg.packageName + ": old uid " 5350 + origPackage.sharedUser.name 5351 + " differs from " + pkg.mSharedUserId); 5352 origPackage = null; 5353 continue; 5354 } 5355 } else { 5356 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5357 + pkg.packageName + " to old name " + origPackage.name); 5358 } 5359 break; 5360 } 5361 } 5362 } 5363 } 5364 5365 if (mTransferedPackages.contains(pkg.packageName)) { 5366 Slog.w(TAG, "Package " + pkg.packageName 5367 + " was transferred to another, but its .apk remains"); 5368 } 5369 5370 // Just create the setting, don't add it yet. For already existing packages 5371 // the PkgSetting exists already and doesn't have to be created. 5372 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5373 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5374 pkg.applicationInfo.primaryCpuAbi, 5375 pkg.applicationInfo.secondaryCpuAbi, 5376 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5377 user, false); 5378 if (pkgSetting == null) { 5379 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5380 "Creating application package " + pkg.packageName + " failed"); 5381 } 5382 5383 if (pkgSetting.origPackage != null) { 5384 // If we are first transitioning from an original package, 5385 // fix up the new package's name now. We need to do this after 5386 // looking up the package under its new name, so getPackageLP 5387 // can take care of fiddling things correctly. 5388 pkg.setPackageName(origPackage.name); 5389 5390 // File a report about this. 5391 String msg = "New package " + pkgSetting.realName 5392 + " renamed to replace old package " + pkgSetting.name; 5393 reportSettingsProblem(Log.WARN, msg); 5394 5395 // Make a note of it. 5396 mTransferedPackages.add(origPackage.name); 5397 5398 // No longer need to retain this. 5399 pkgSetting.origPackage = null; 5400 } 5401 5402 if (realName != null) { 5403 // Make a note of it. 5404 mTransferedPackages.add(pkg.packageName); 5405 } 5406 5407 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5408 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5409 } 5410 5411 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5412 // Check all shared libraries and map to their actual file path. 5413 // We only do this here for apps not on a system dir, because those 5414 // are the only ones that can fail an install due to this. We 5415 // will take care of the system apps by updating all of their 5416 // library paths after the scan is done. 5417 updateSharedLibrariesLPw(pkg, null); 5418 } 5419 5420 if (mFoundPolicyFile) { 5421 SELinuxMMAC.assignSeinfoValue(pkg); 5422 } 5423 5424 pkg.applicationInfo.uid = pkgSetting.appId; 5425 pkg.mExtras = pkgSetting; 5426 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5427 try { 5428 verifySignaturesLP(pkgSetting, pkg); 5429 // We just determined the app is signed correctly, so bring 5430 // over the latest parsed certs. 5431 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5432 } catch (PackageManagerException e) { 5433 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5434 throw e; 5435 } 5436 // The signature has changed, but this package is in the system 5437 // image... let's recover! 5438 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5439 // However... if this package is part of a shared user, but it 5440 // doesn't match the signature of the shared user, let's fail. 5441 // What this means is that you can't change the signatures 5442 // associated with an overall shared user, which doesn't seem all 5443 // that unreasonable. 5444 if (pkgSetting.sharedUser != null) { 5445 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5446 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5447 throw new PackageManagerException( 5448 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5449 "Signature mismatch for shared user : " 5450 + pkgSetting.sharedUser); 5451 } 5452 } 5453 // File a report about this. 5454 String msg = "System package " + pkg.packageName 5455 + " signature changed; retaining data."; 5456 reportSettingsProblem(Log.WARN, msg); 5457 } 5458 } else { 5459 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5460 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5461 + pkg.packageName + " upgrade keys do not match the " 5462 + "previously installed version"); 5463 } else { 5464 // We just determined the app is signed correctly, so bring 5465 // over the latest parsed certs. 5466 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5467 } 5468 } 5469 // Verify that this new package doesn't have any content providers 5470 // that conflict with existing packages. Only do this if the 5471 // package isn't already installed, since we don't want to break 5472 // things that are installed. 5473 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5474 final int N = pkg.providers.size(); 5475 int i; 5476 for (i=0; i<N; i++) { 5477 PackageParser.Provider p = pkg.providers.get(i); 5478 if (p.info.authority != null) { 5479 String names[] = p.info.authority.split(";"); 5480 for (int j = 0; j < names.length; j++) { 5481 if (mProvidersByAuthority.containsKey(names[j])) { 5482 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5483 final String otherPackageName = 5484 ((other != null && other.getComponentName() != null) ? 5485 other.getComponentName().getPackageName() : "?"); 5486 throw new PackageManagerException( 5487 INSTALL_FAILED_CONFLICTING_PROVIDER, 5488 "Can't install because provider name " + names[j] 5489 + " (in package " + pkg.applicationInfo.packageName 5490 + ") is already used by " + otherPackageName); 5491 } 5492 } 5493 } 5494 } 5495 } 5496 5497 if (pkg.mAdoptPermissions != null) { 5498 // This package wants to adopt ownership of permissions from 5499 // another package. 5500 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5501 final String origName = pkg.mAdoptPermissions.get(i); 5502 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5503 if (orig != null) { 5504 if (verifyPackageUpdateLPr(orig, pkg)) { 5505 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5506 + pkg.packageName); 5507 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5508 } 5509 } 5510 } 5511 } 5512 } 5513 5514 final String pkgName = pkg.packageName; 5515 5516 final long scanFileTime = scanFile.lastModified(); 5517 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5518 pkg.applicationInfo.processName = fixProcessName( 5519 pkg.applicationInfo.packageName, 5520 pkg.applicationInfo.processName, 5521 pkg.applicationInfo.uid); 5522 5523 File dataPath; 5524 if (mPlatformPackage == pkg) { 5525 // The system package is special. 5526 dataPath = new File(Environment.getDataDirectory(), "system"); 5527 5528 pkg.applicationInfo.dataDir = dataPath.getPath(); 5529 5530 } else { 5531 // This is a normal package, need to make its data directory. 5532 dataPath = getDataPathForPackage(pkg.packageName, 0); 5533 5534 boolean uidError = false; 5535 if (dataPath.exists()) { 5536 int currentUid = 0; 5537 try { 5538 StructStat stat = Os.stat(dataPath.getPath()); 5539 currentUid = stat.st_uid; 5540 } catch (ErrnoException e) { 5541 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5542 } 5543 5544 // If we have mismatched owners for the data path, we have a problem. 5545 if (currentUid != pkg.applicationInfo.uid) { 5546 boolean recovered = false; 5547 if (currentUid == 0) { 5548 // The directory somehow became owned by root. Wow. 5549 // This is probably because the system was stopped while 5550 // installd was in the middle of messing with its libs 5551 // directory. Ask installd to fix that. 5552 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5553 pkg.applicationInfo.uid); 5554 if (ret >= 0) { 5555 recovered = true; 5556 String msg = "Package " + pkg.packageName 5557 + " unexpectedly changed to uid 0; recovered to " + 5558 + pkg.applicationInfo.uid; 5559 reportSettingsProblem(Log.WARN, msg); 5560 } 5561 } 5562 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5563 || (scanFlags&SCAN_BOOTING) != 0)) { 5564 // If this is a system app, we can at least delete its 5565 // current data so the application will still work. 5566 int ret = removeDataDirsLI(pkgName); 5567 if (ret >= 0) { 5568 // TODO: Kill the processes first 5569 // Old data gone! 5570 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5571 ? "System package " : "Third party package "; 5572 String msg = prefix + pkg.packageName 5573 + " has changed from uid: " 5574 + currentUid + " to " 5575 + pkg.applicationInfo.uid + "; old data erased"; 5576 reportSettingsProblem(Log.WARN, msg); 5577 recovered = true; 5578 5579 // And now re-install the app. 5580 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5581 pkg.applicationInfo.seinfo); 5582 if (ret == -1) { 5583 // Ack should not happen! 5584 msg = prefix + pkg.packageName 5585 + " could not have data directory re-created after delete."; 5586 reportSettingsProblem(Log.WARN, msg); 5587 throw new PackageManagerException( 5588 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5589 } 5590 } 5591 if (!recovered) { 5592 mHasSystemUidErrors = true; 5593 } 5594 } else if (!recovered) { 5595 // If we allow this install to proceed, we will be broken. 5596 // Abort, abort! 5597 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5598 "scanPackageLI"); 5599 } 5600 if (!recovered) { 5601 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5602 + pkg.applicationInfo.uid + "/fs_" 5603 + currentUid; 5604 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5605 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5606 String msg = "Package " + pkg.packageName 5607 + " has mismatched uid: " 5608 + currentUid + " on disk, " 5609 + pkg.applicationInfo.uid + " in settings"; 5610 // writer 5611 synchronized (mPackages) { 5612 mSettings.mReadMessages.append(msg); 5613 mSettings.mReadMessages.append('\n'); 5614 uidError = true; 5615 if (!pkgSetting.uidError) { 5616 reportSettingsProblem(Log.ERROR, msg); 5617 } 5618 } 5619 } 5620 } 5621 pkg.applicationInfo.dataDir = dataPath.getPath(); 5622 if (mShouldRestoreconData) { 5623 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5624 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5625 pkg.applicationInfo.uid); 5626 } 5627 } else { 5628 if (DEBUG_PACKAGE_SCANNING) { 5629 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5630 Log.v(TAG, "Want this data dir: " + dataPath); 5631 } 5632 //invoke installer to do the actual installation 5633 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5634 pkg.applicationInfo.seinfo); 5635 if (ret < 0) { 5636 // Error from installer 5637 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5638 "Unable to create data dirs [errorCode=" + ret + "]"); 5639 } 5640 5641 if (dataPath.exists()) { 5642 pkg.applicationInfo.dataDir = dataPath.getPath(); 5643 } else { 5644 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5645 pkg.applicationInfo.dataDir = null; 5646 } 5647 } 5648 5649 pkgSetting.uidError = uidError; 5650 } 5651 5652 final String path = scanFile.getPath(); 5653 final String codePath = pkg.applicationInfo.getCodePath(); 5654 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5655 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5656 setBundledAppAbisAndRoots(pkg, pkgSetting); 5657 5658 // If we haven't found any native libraries for the app, check if it has 5659 // renderscript code. We'll need to force the app to 32 bit if it has 5660 // renderscript bitcode. 5661 if (pkg.applicationInfo.primaryCpuAbi == null 5662 && pkg.applicationInfo.secondaryCpuAbi == null 5663 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5664 NativeLibraryHelper.Handle handle = null; 5665 try { 5666 handle = NativeLibraryHelper.Handle.create(scanFile); 5667 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5668 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5669 } 5670 } catch (IOException ioe) { 5671 Slog.w(TAG, "Error scanning system app : " + ioe); 5672 } finally { 5673 IoUtils.closeQuietly(handle); 5674 } 5675 } 5676 5677 setNativeLibraryPaths(pkg); 5678 } else { 5679 // TODO: We can probably be smarter about this stuff. For installed apps, 5680 // we can calculate this information at install time once and for all. For 5681 // system apps, we can probably assume that this information doesn't change 5682 // after the first boot scan. As things stand, we do lots of unnecessary work. 5683 5684 // Give ourselves some initial paths; we'll come back for another 5685 // pass once we've determined ABI below. 5686 setNativeLibraryPaths(pkg); 5687 5688 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 5689 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5690 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5691 5692 NativeLibraryHelper.Handle handle = null; 5693 try { 5694 handle = NativeLibraryHelper.Handle.create(scanFile); 5695 // TODO(multiArch): This can be null for apps that didn't go through the 5696 // usual installation process. We can calculate it again, like we 5697 // do during install time. 5698 // 5699 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5700 // unnecessary. 5701 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5702 5703 // Null out the abis so that they can be recalculated. 5704 pkg.applicationInfo.primaryCpuAbi = null; 5705 pkg.applicationInfo.secondaryCpuAbi = null; 5706 if (isMultiArch(pkg.applicationInfo)) { 5707 // Warn if we've set an abiOverride for multi-lib packages.. 5708 // By definition, we need to copy both 32 and 64 bit libraries for 5709 // such packages. 5710 if (pkg.cpuAbiOverride != null 5711 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5712 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5713 } 5714 5715 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5716 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5717 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5718 if (isAsec) { 5719 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5720 } else { 5721 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5722 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5723 useIsaSpecificSubdirs); 5724 } 5725 } 5726 5727 maybeThrowExceptionForMultiArchCopy( 5728 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5729 5730 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5731 if (isAsec) { 5732 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5733 } else { 5734 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5735 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5736 useIsaSpecificSubdirs); 5737 } 5738 } 5739 5740 maybeThrowExceptionForMultiArchCopy( 5741 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5742 5743 if (abi64 >= 0) { 5744 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5745 } 5746 5747 if (abi32 >= 0) { 5748 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5749 if (abi64 >= 0) { 5750 pkg.applicationInfo.secondaryCpuAbi = abi; 5751 } else { 5752 pkg.applicationInfo.primaryCpuAbi = abi; 5753 } 5754 } 5755 } else { 5756 String[] abiList = (cpuAbiOverride != null) ? 5757 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5758 5759 // Enable gross and lame hacks for apps that are built with old 5760 // SDK tools. We must scan their APKs for renderscript bitcode and 5761 // not launch them if it's present. Don't bother checking on devices 5762 // that don't have 64 bit support. 5763 boolean needsRenderScriptOverride = false; 5764 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5765 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5766 abiList = Build.SUPPORTED_32_BIT_ABIS; 5767 needsRenderScriptOverride = true; 5768 } 5769 5770 final int copyRet; 5771 if (isAsec) { 5772 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5773 } else { 5774 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5775 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5776 } 5777 5778 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5779 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5780 "Error unpackaging native libs for app, errorCode=" + copyRet); 5781 } 5782 5783 if (copyRet >= 0) { 5784 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5785 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5786 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5787 } else if (needsRenderScriptOverride) { 5788 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5789 } 5790 } 5791 } catch (IOException ioe) { 5792 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5793 } finally { 5794 IoUtils.closeQuietly(handle); 5795 } 5796 5797 // Now that we've calculated the ABIs and determined if it's an internal app, 5798 // we will go ahead and populate the nativeLibraryPath. 5799 setNativeLibraryPaths(pkg); 5800 5801 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5802 final int[] userIds = sUserManager.getUserIds(); 5803 synchronized (mInstallLock) { 5804 // Create a native library symlink only if we have native libraries 5805 // and if the native libraries are 32 bit libraries. We do not provide 5806 // this symlink for 64 bit libraries. 5807 if (pkg.applicationInfo.primaryCpuAbi != null && 5808 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5809 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5810 for (int userId : userIds) { 5811 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5812 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5813 "Failed linking native library dir (user=" + userId + ")"); 5814 } 5815 } 5816 } 5817 } 5818 } 5819 5820 // This is a special case for the "system" package, where the ABI is 5821 // dictated by the zygote configuration (and init.rc). We should keep track 5822 // of this ABI so that we can deal with "normal" applications that run under 5823 // the same UID correctly. 5824 if (mPlatformPackage == pkg) { 5825 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5826 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5827 } 5828 5829 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5830 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5831 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5832 // Copy the derived override back to the parsed package, so that we can 5833 // update the package settings accordingly. 5834 pkg.cpuAbiOverride = cpuAbiOverride; 5835 5836 if (DEBUG_ABI_SELECTION) { 5837 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5838 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5839 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5840 } 5841 5842 // Push the derived path down into PackageSettings so we know what to 5843 // clean up at uninstall time. 5844 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5845 5846 if (DEBUG_ABI_SELECTION) { 5847 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5848 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5849 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5850 } 5851 5852 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5853 // We don't do this here during boot because we can do it all 5854 // at once after scanning all existing packages. 5855 // 5856 // We also do this *before* we perform dexopt on this package, so that 5857 // we can avoid redundant dexopts, and also to make sure we've got the 5858 // code and package path correct. 5859 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5860 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5861 } 5862 5863 if ((scanFlags & SCAN_NO_DEX) == 0) { 5864 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5865 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5866 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5867 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5868 } 5869 } 5870 5871 if (mFactoryTest && pkg.requestedPermissions.contains( 5872 android.Manifest.permission.FACTORY_TEST)) { 5873 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5874 } 5875 5876 ArrayList<PackageParser.Package> clientLibPkgs = null; 5877 5878 // writer 5879 synchronized (mPackages) { 5880 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5881 // Only system apps can add new shared libraries. 5882 if (pkg.libraryNames != null) { 5883 for (int i=0; i<pkg.libraryNames.size(); i++) { 5884 String name = pkg.libraryNames.get(i); 5885 boolean allowed = false; 5886 if (isUpdatedSystemApp(pkg)) { 5887 // New library entries can only be added through the 5888 // system image. This is important to get rid of a lot 5889 // of nasty edge cases: for example if we allowed a non- 5890 // system update of the app to add a library, then uninstalling 5891 // the update would make the library go away, and assumptions 5892 // we made such as through app install filtering would now 5893 // have allowed apps on the device which aren't compatible 5894 // with it. Better to just have the restriction here, be 5895 // conservative, and create many fewer cases that can negatively 5896 // impact the user experience. 5897 final PackageSetting sysPs = mSettings 5898 .getDisabledSystemPkgLPr(pkg.packageName); 5899 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5900 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5901 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5902 allowed = true; 5903 allowed = true; 5904 break; 5905 } 5906 } 5907 } 5908 } else { 5909 allowed = true; 5910 } 5911 if (allowed) { 5912 if (!mSharedLibraries.containsKey(name)) { 5913 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5914 } else if (!name.equals(pkg.packageName)) { 5915 Slog.w(TAG, "Package " + pkg.packageName + " library " 5916 + name + " already exists; skipping"); 5917 } 5918 } else { 5919 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5920 + name + " that is not declared on system image; skipping"); 5921 } 5922 } 5923 if ((scanFlags&SCAN_BOOTING) == 0) { 5924 // If we are not booting, we need to update any applications 5925 // that are clients of our shared library. If we are booting, 5926 // this will all be done once the scan is complete. 5927 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5928 } 5929 } 5930 } 5931 } 5932 5933 // We also need to dexopt any apps that are dependent on this library. Note that 5934 // if these fail, we should abort the install since installing the library will 5935 // result in some apps being broken. 5936 if (clientLibPkgs != null) { 5937 if ((scanFlags & SCAN_NO_DEX) == 0) { 5938 for (int i = 0; i < clientLibPkgs.size(); i++) { 5939 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5940 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5941 null /* instruction sets */, forceDex, 5942 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5943 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5944 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5945 "scanPackageLI failed to dexopt clientLibPkgs"); 5946 } 5947 } 5948 } 5949 } 5950 5951 // Request the ActivityManager to kill the process(only for existing packages) 5952 // so that we do not end up in a confused state while the user is still using the older 5953 // version of the application while the new one gets installed. 5954 if ((scanFlags & SCAN_REPLACING) != 0) { 5955 killApplication(pkg.applicationInfo.packageName, 5956 pkg.applicationInfo.uid, "update pkg"); 5957 } 5958 5959 // Also need to kill any apps that are dependent on the library. 5960 if (clientLibPkgs != null) { 5961 for (int i=0; i<clientLibPkgs.size(); i++) { 5962 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5963 killApplication(clientPkg.applicationInfo.packageName, 5964 clientPkg.applicationInfo.uid, "update lib"); 5965 } 5966 } 5967 5968 // writer 5969 synchronized (mPackages) { 5970 // We don't expect installation to fail beyond this point 5971 5972 // Add the new setting to mSettings 5973 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5974 // Add the new setting to mPackages 5975 mPackages.put(pkg.applicationInfo.packageName, pkg); 5976 // Make sure we don't accidentally delete its data. 5977 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5978 while (iter.hasNext()) { 5979 PackageCleanItem item = iter.next(); 5980 if (pkgName.equals(item.packageName)) { 5981 iter.remove(); 5982 } 5983 } 5984 5985 // Take care of first install / last update times. 5986 if (currentTime != 0) { 5987 if (pkgSetting.firstInstallTime == 0) { 5988 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5989 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5990 pkgSetting.lastUpdateTime = currentTime; 5991 } 5992 } else if (pkgSetting.firstInstallTime == 0) { 5993 // We need *something*. Take time time stamp of the file. 5994 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5995 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5996 if (scanFileTime != pkgSetting.timeStamp) { 5997 // A package on the system image has changed; consider this 5998 // to be an update. 5999 pkgSetting.lastUpdateTime = scanFileTime; 6000 } 6001 } 6002 6003 // Add the package's KeySets to the global KeySetManagerService 6004 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6005 try { 6006 // Old KeySetData no longer valid. 6007 ksms.removeAppKeySetDataLPw(pkg.packageName); 6008 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6009 if (pkg.mKeySetMapping != null) { 6010 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6011 pkg.mKeySetMapping.entrySet()) { 6012 if (entry.getValue() != null) { 6013 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6014 entry.getValue(), entry.getKey()); 6015 } 6016 } 6017 if (pkg.mUpgradeKeySets != null) { 6018 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6019 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6020 } 6021 } 6022 } 6023 } catch (NullPointerException e) { 6024 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6025 } catch (IllegalArgumentException e) { 6026 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6027 } 6028 6029 int N = pkg.providers.size(); 6030 StringBuilder r = null; 6031 int i; 6032 for (i=0; i<N; i++) { 6033 PackageParser.Provider p = pkg.providers.get(i); 6034 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6035 p.info.processName, pkg.applicationInfo.uid); 6036 mProviders.addProvider(p); 6037 p.syncable = p.info.isSyncable; 6038 if (p.info.authority != null) { 6039 String names[] = p.info.authority.split(";"); 6040 p.info.authority = null; 6041 for (int j = 0; j < names.length; j++) { 6042 if (j == 1 && p.syncable) { 6043 // We only want the first authority for a provider to possibly be 6044 // syncable, so if we already added this provider using a different 6045 // authority clear the syncable flag. We copy the provider before 6046 // changing it because the mProviders object contains a reference 6047 // to a provider that we don't want to change. 6048 // Only do this for the second authority since the resulting provider 6049 // object can be the same for all future authorities for this provider. 6050 p = new PackageParser.Provider(p); 6051 p.syncable = false; 6052 } 6053 if (!mProvidersByAuthority.containsKey(names[j])) { 6054 mProvidersByAuthority.put(names[j], p); 6055 if (p.info.authority == null) { 6056 p.info.authority = names[j]; 6057 } else { 6058 p.info.authority = p.info.authority + ";" + names[j]; 6059 } 6060 if (DEBUG_PACKAGE_SCANNING) { 6061 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6062 Log.d(TAG, "Registered content provider: " + names[j] 6063 + ", className = " + p.info.name + ", isSyncable = " 6064 + p.info.isSyncable); 6065 } 6066 } else { 6067 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6068 Slog.w(TAG, "Skipping provider name " + names[j] + 6069 " (in package " + pkg.applicationInfo.packageName + 6070 "): name already used by " 6071 + ((other != null && other.getComponentName() != null) 6072 ? other.getComponentName().getPackageName() : "?")); 6073 } 6074 } 6075 } 6076 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6077 if (r == null) { 6078 r = new StringBuilder(256); 6079 } else { 6080 r.append(' '); 6081 } 6082 r.append(p.info.name); 6083 } 6084 } 6085 if (r != null) { 6086 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6087 } 6088 6089 N = pkg.services.size(); 6090 r = null; 6091 for (i=0; i<N; i++) { 6092 PackageParser.Service s = pkg.services.get(i); 6093 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6094 s.info.processName, pkg.applicationInfo.uid); 6095 mServices.addService(s); 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(s.info.name); 6103 } 6104 } 6105 if (r != null) { 6106 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6107 } 6108 6109 N = pkg.receivers.size(); 6110 r = null; 6111 for (i=0; i<N; i++) { 6112 PackageParser.Activity a = pkg.receivers.get(i); 6113 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6114 a.info.processName, pkg.applicationInfo.uid); 6115 mReceivers.addActivity(a, "receiver"); 6116 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6117 if (r == null) { 6118 r = new StringBuilder(256); 6119 } else { 6120 r.append(' '); 6121 } 6122 r.append(a.info.name); 6123 } 6124 } 6125 if (r != null) { 6126 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6127 } 6128 6129 N = pkg.activities.size(); 6130 r = null; 6131 for (i=0; i<N; i++) { 6132 PackageParser.Activity a = pkg.activities.get(i); 6133 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6134 a.info.processName, pkg.applicationInfo.uid); 6135 mActivities.addActivity(a, "activity"); 6136 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6137 if (r == null) { 6138 r = new StringBuilder(256); 6139 } else { 6140 r.append(' '); 6141 } 6142 r.append(a.info.name); 6143 } 6144 } 6145 if (r != null) { 6146 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6147 } 6148 6149 N = pkg.permissionGroups.size(); 6150 r = null; 6151 for (i=0; i<N; i++) { 6152 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6153 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6154 if (cur == null) { 6155 mPermissionGroups.put(pg.info.name, pg); 6156 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6157 if (r == null) { 6158 r = new StringBuilder(256); 6159 } else { 6160 r.append(' '); 6161 } 6162 r.append(pg.info.name); 6163 } 6164 } else { 6165 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6166 + pg.info.packageName + " ignored: original from " 6167 + cur.info.packageName); 6168 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6169 if (r == null) { 6170 r = new StringBuilder(256); 6171 } else { 6172 r.append(' '); 6173 } 6174 r.append("DUP:"); 6175 r.append(pg.info.name); 6176 } 6177 } 6178 } 6179 if (r != null) { 6180 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6181 } 6182 6183 N = pkg.permissions.size(); 6184 r = null; 6185 for (i=0; i<N; i++) { 6186 PackageParser.Permission p = pkg.permissions.get(i); 6187 ArrayMap<String, BasePermission> permissionMap = 6188 p.tree ? mSettings.mPermissionTrees 6189 : mSettings.mPermissions; 6190 p.group = mPermissionGroups.get(p.info.group); 6191 if (p.info.group == null || p.group != null) { 6192 BasePermission bp = permissionMap.get(p.info.name); 6193 6194 // Allow system apps to redefine non-system permissions 6195 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6196 final boolean currentOwnerIsSystem = (bp.perm != null 6197 && isSystemApp(bp.perm.owner)); 6198 if (isSystemApp(p.owner)) { 6199 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6200 // It's a built-in permission and no owner, take ownership now 6201 bp.packageSetting = pkgSetting; 6202 bp.perm = p; 6203 bp.uid = pkg.applicationInfo.uid; 6204 bp.sourcePackage = p.info.packageName; 6205 } else if (!currentOwnerIsSystem) { 6206 String msg = "New decl " + p.owner + " of permission " 6207 + p.info.name + " is system; overriding " + bp.sourcePackage; 6208 reportSettingsProblem(Log.WARN, msg); 6209 bp = null; 6210 } 6211 } 6212 } 6213 6214 if (bp == null) { 6215 bp = new BasePermission(p.info.name, p.info.packageName, 6216 BasePermission.TYPE_NORMAL); 6217 permissionMap.put(p.info.name, bp); 6218 } 6219 6220 if (bp.perm == null) { 6221 if (bp.sourcePackage == null 6222 || bp.sourcePackage.equals(p.info.packageName)) { 6223 BasePermission tree = findPermissionTreeLP(p.info.name); 6224 if (tree == null 6225 || tree.sourcePackage.equals(p.info.packageName)) { 6226 bp.packageSetting = pkgSetting; 6227 bp.perm = p; 6228 bp.uid = pkg.applicationInfo.uid; 6229 bp.sourcePackage = p.info.packageName; 6230 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6231 if (r == null) { 6232 r = new StringBuilder(256); 6233 } else { 6234 r.append(' '); 6235 } 6236 r.append(p.info.name); 6237 } 6238 } else { 6239 Slog.w(TAG, "Permission " + p.info.name + " from package " 6240 + p.info.packageName + " ignored: base tree " 6241 + tree.name + " is from package " 6242 + tree.sourcePackage); 6243 } 6244 } else { 6245 Slog.w(TAG, "Permission " + p.info.name + " from package " 6246 + p.info.packageName + " ignored: original from " 6247 + bp.sourcePackage); 6248 } 6249 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6250 if (r == null) { 6251 r = new StringBuilder(256); 6252 } else { 6253 r.append(' '); 6254 } 6255 r.append("DUP:"); 6256 r.append(p.info.name); 6257 } 6258 if (bp.perm == p) { 6259 bp.protectionLevel = p.info.protectionLevel; 6260 } 6261 } else { 6262 Slog.w(TAG, "Permission " + p.info.name + " from package " 6263 + p.info.packageName + " ignored: no group " 6264 + p.group); 6265 } 6266 } 6267 if (r != null) { 6268 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6269 } 6270 6271 N = pkg.instrumentation.size(); 6272 r = null; 6273 for (i=0; i<N; i++) { 6274 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6275 a.info.packageName = pkg.applicationInfo.packageName; 6276 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6277 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6278 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6279 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6280 a.info.dataDir = pkg.applicationInfo.dataDir; 6281 6282 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6283 // need other information about the application, like the ABI and what not ? 6284 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6285 mInstrumentation.put(a.getComponentName(), a); 6286 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6287 if (r == null) { 6288 r = new StringBuilder(256); 6289 } else { 6290 r.append(' '); 6291 } 6292 r.append(a.info.name); 6293 } 6294 } 6295 if (r != null) { 6296 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6297 } 6298 6299 if (pkg.protectedBroadcasts != null) { 6300 N = pkg.protectedBroadcasts.size(); 6301 for (i=0; i<N; i++) { 6302 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6303 } 6304 } 6305 6306 pkgSetting.setTimeStamp(scanFileTime); 6307 6308 // Create idmap files for pairs of (packages, overlay packages). 6309 // Note: "android", ie framework-res.apk, is handled by native layers. 6310 if (pkg.mOverlayTarget != null) { 6311 // This is an overlay package. 6312 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6313 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6314 mOverlays.put(pkg.mOverlayTarget, 6315 new ArrayMap<String, PackageParser.Package>()); 6316 } 6317 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6318 map.put(pkg.packageName, pkg); 6319 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6320 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6321 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6322 "scanPackageLI failed to createIdmap"); 6323 } 6324 } 6325 } else if (mOverlays.containsKey(pkg.packageName) && 6326 !pkg.packageName.equals("android")) { 6327 // This is a regular package, with one or more known overlay packages. 6328 createIdmapsForPackageLI(pkg); 6329 } 6330 } 6331 6332 return pkg; 6333 } 6334 6335 /** 6336 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6337 * i.e, so that all packages can be run inside a single process if required. 6338 * 6339 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6340 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6341 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6342 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6343 * updating a package that belongs to a shared user. 6344 * 6345 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6346 * adds unnecessary complexity. 6347 */ 6348 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6349 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6350 String requiredInstructionSet = null; 6351 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6352 requiredInstructionSet = VMRuntime.getInstructionSet( 6353 scannedPackage.applicationInfo.primaryCpuAbi); 6354 } 6355 6356 PackageSetting requirer = null; 6357 for (PackageSetting ps : packagesForUser) { 6358 // If packagesForUser contains scannedPackage, we skip it. This will happen 6359 // when scannedPackage is an update of an existing package. Without this check, 6360 // we will never be able to change the ABI of any package belonging to a shared 6361 // user, even if it's compatible with other packages. 6362 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6363 if (ps.primaryCpuAbiString == null) { 6364 continue; 6365 } 6366 6367 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6368 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6369 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6370 // this but there's not much we can do. 6371 String errorMessage = "Instruction set mismatch, " 6372 + ((requirer == null) ? "[caller]" : requirer) 6373 + " requires " + requiredInstructionSet + " whereas " + ps 6374 + " requires " + instructionSet; 6375 Slog.w(TAG, errorMessage); 6376 } 6377 6378 if (requiredInstructionSet == null) { 6379 requiredInstructionSet = instructionSet; 6380 requirer = ps; 6381 } 6382 } 6383 } 6384 6385 if (requiredInstructionSet != null) { 6386 String adjustedAbi; 6387 if (requirer != null) { 6388 // requirer != null implies that either scannedPackage was null or that scannedPackage 6389 // did not require an ABI, in which case we have to adjust scannedPackage to match 6390 // the ABI of the set (which is the same as requirer's ABI) 6391 adjustedAbi = requirer.primaryCpuAbiString; 6392 if (scannedPackage != null) { 6393 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6394 } 6395 } else { 6396 // requirer == null implies that we're updating all ABIs in the set to 6397 // match scannedPackage. 6398 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6399 } 6400 6401 for (PackageSetting ps : packagesForUser) { 6402 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6403 if (ps.primaryCpuAbiString != null) { 6404 continue; 6405 } 6406 6407 ps.primaryCpuAbiString = adjustedAbi; 6408 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6409 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6410 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6411 6412 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6413 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6414 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6415 ps.primaryCpuAbiString = null; 6416 ps.pkg.applicationInfo.primaryCpuAbi = null; 6417 return; 6418 } else { 6419 mInstaller.rmdex(ps.codePathString, 6420 getDexCodeInstructionSet(getPreferredInstructionSet())); 6421 } 6422 } 6423 } 6424 } 6425 } 6426 } 6427 6428 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6429 synchronized (mPackages) { 6430 mResolverReplaced = true; 6431 // Set up information for custom user intent resolution activity. 6432 mResolveActivity.applicationInfo = pkg.applicationInfo; 6433 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6434 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6435 mResolveActivity.processName = pkg.applicationInfo.packageName; 6436 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6437 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6438 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6439 mResolveActivity.theme = 0; 6440 mResolveActivity.exported = true; 6441 mResolveActivity.enabled = true; 6442 mResolveInfo.activityInfo = mResolveActivity; 6443 mResolveInfo.priority = 0; 6444 mResolveInfo.preferredOrder = 0; 6445 mResolveInfo.match = 0; 6446 mResolveComponentName = mCustomResolverComponentName; 6447 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6448 mResolveComponentName); 6449 } 6450 } 6451 6452 private static String calculateBundledApkRoot(final String codePathString) { 6453 final File codePath = new File(codePathString); 6454 final File codeRoot; 6455 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6456 codeRoot = Environment.getRootDirectory(); 6457 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6458 codeRoot = Environment.getOemDirectory(); 6459 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6460 codeRoot = Environment.getVendorDirectory(); 6461 } else { 6462 // Unrecognized code path; take its top real segment as the apk root: 6463 // e.g. /something/app/blah.apk => /something 6464 try { 6465 File f = codePath.getCanonicalFile(); 6466 File parent = f.getParentFile(); // non-null because codePath is a file 6467 File tmp; 6468 while ((tmp = parent.getParentFile()) != null) { 6469 f = parent; 6470 parent = tmp; 6471 } 6472 codeRoot = f; 6473 Slog.w(TAG, "Unrecognized code path " 6474 + codePath + " - using " + codeRoot); 6475 } catch (IOException e) { 6476 // Can't canonicalize the code path -- shenanigans? 6477 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6478 return Environment.getRootDirectory().getPath(); 6479 } 6480 } 6481 return codeRoot.getPath(); 6482 } 6483 6484 /** 6485 * Derive and set the location of native libraries for the given package, 6486 * which varies depending on where and how the package was installed. 6487 */ 6488 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6489 final ApplicationInfo info = pkg.applicationInfo; 6490 final String codePath = pkg.codePath; 6491 final File codeFile = new File(codePath); 6492 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6493 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6494 6495 info.nativeLibraryRootDir = null; 6496 info.nativeLibraryRootRequiresIsa = false; 6497 info.nativeLibraryDir = null; 6498 info.secondaryNativeLibraryDir = null; 6499 6500 if (isApkFile(codeFile)) { 6501 // Monolithic install 6502 if (bundledApp) { 6503 // If "/system/lib64/apkname" exists, assume that is the per-package 6504 // native library directory to use; otherwise use "/system/lib/apkname". 6505 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6506 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6507 getPrimaryInstructionSet(info)); 6508 6509 // This is a bundled system app so choose the path based on the ABI. 6510 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6511 // is just the default path. 6512 final String apkName = deriveCodePathName(codePath); 6513 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6514 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6515 apkName).getAbsolutePath(); 6516 6517 if (info.secondaryCpuAbi != null) { 6518 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6519 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6520 secondaryLibDir, apkName).getAbsolutePath(); 6521 } 6522 } else if (asecApp) { 6523 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6524 .getAbsolutePath(); 6525 } else { 6526 final String apkName = deriveCodePathName(codePath); 6527 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6528 .getAbsolutePath(); 6529 } 6530 6531 info.nativeLibraryRootRequiresIsa = false; 6532 info.nativeLibraryDir = info.nativeLibraryRootDir; 6533 } else { 6534 // Cluster install 6535 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6536 info.nativeLibraryRootRequiresIsa = true; 6537 6538 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6539 getPrimaryInstructionSet(info)).getAbsolutePath(); 6540 6541 if (info.secondaryCpuAbi != null) { 6542 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6543 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6544 } 6545 } 6546 } 6547 6548 /** 6549 * Calculate the abis and roots for a bundled app. These can uniquely 6550 * be determined from the contents of the system partition, i.e whether 6551 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6552 * of this information, and instead assume that the system was built 6553 * sensibly. 6554 */ 6555 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6556 PackageSetting pkgSetting) { 6557 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6558 6559 // If "/system/lib64/apkname" exists, assume that is the per-package 6560 // native library directory to use; otherwise use "/system/lib/apkname". 6561 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6562 setBundledAppAbi(pkg, apkRoot, apkName); 6563 // pkgSetting might be null during rescan following uninstall of updates 6564 // to a bundled app, so accommodate that possibility. The settings in 6565 // that case will be established later from the parsed package. 6566 // 6567 // If the settings aren't null, sync them up with what we've just derived. 6568 // note that apkRoot isn't stored in the package settings. 6569 if (pkgSetting != null) { 6570 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6571 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6572 } 6573 } 6574 6575 /** 6576 * Deduces the ABI of a bundled app and sets the relevant fields on the 6577 * parsed pkg object. 6578 * 6579 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6580 * under which system libraries are installed. 6581 * @param apkName the name of the installed package. 6582 */ 6583 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6584 final File codeFile = new File(pkg.codePath); 6585 6586 final boolean has64BitLibs; 6587 final boolean has32BitLibs; 6588 if (isApkFile(codeFile)) { 6589 // Monolithic install 6590 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6591 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6592 } else { 6593 // Cluster install 6594 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6595 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6596 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6597 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6598 has64BitLibs = (new File(rootDir, isa)).exists(); 6599 } else { 6600 has64BitLibs = false; 6601 } 6602 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6603 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6604 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6605 has32BitLibs = (new File(rootDir, isa)).exists(); 6606 } else { 6607 has32BitLibs = false; 6608 } 6609 } 6610 6611 if (has64BitLibs && !has32BitLibs) { 6612 // The package has 64 bit libs, but not 32 bit libs. Its primary 6613 // ABI should be 64 bit. We can safely assume here that the bundled 6614 // native libraries correspond to the most preferred ABI in the list. 6615 6616 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6617 pkg.applicationInfo.secondaryCpuAbi = null; 6618 } else if (has32BitLibs && !has64BitLibs) { 6619 // The package has 32 bit libs but not 64 bit libs. Its primary 6620 // ABI should be 32 bit. 6621 6622 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6623 pkg.applicationInfo.secondaryCpuAbi = null; 6624 } else if (has32BitLibs && has64BitLibs) { 6625 // The application has both 64 and 32 bit bundled libraries. We check 6626 // here that the app declares multiArch support, and warn if it doesn't. 6627 // 6628 // We will be lenient here and record both ABIs. The primary will be the 6629 // ABI that's higher on the list, i.e, a device that's configured to prefer 6630 // 64 bit apps will see a 64 bit primary ABI, 6631 6632 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6633 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6634 } 6635 6636 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6637 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6638 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6639 } else { 6640 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6641 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6642 } 6643 } else { 6644 pkg.applicationInfo.primaryCpuAbi = null; 6645 pkg.applicationInfo.secondaryCpuAbi = null; 6646 } 6647 } 6648 6649 private void killApplication(String pkgName, int appId, String reason) { 6650 // Request the ActivityManager to kill the process(only for existing packages) 6651 // so that we do not end up in a confused state while the user is still using the older 6652 // version of the application while the new one gets installed. 6653 IActivityManager am = ActivityManagerNative.getDefault(); 6654 if (am != null) { 6655 try { 6656 am.killApplicationWithAppId(pkgName, appId, reason); 6657 } catch (RemoteException e) { 6658 } 6659 } 6660 } 6661 6662 void removePackageLI(PackageSetting ps, boolean chatty) { 6663 if (DEBUG_INSTALL) { 6664 if (chatty) 6665 Log.d(TAG, "Removing package " + ps.name); 6666 } 6667 6668 // writer 6669 synchronized (mPackages) { 6670 mPackages.remove(ps.name); 6671 final PackageParser.Package pkg = ps.pkg; 6672 if (pkg != null) { 6673 cleanPackageDataStructuresLILPw(pkg, chatty); 6674 } 6675 } 6676 } 6677 6678 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6679 if (DEBUG_INSTALL) { 6680 if (chatty) 6681 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6682 } 6683 6684 // writer 6685 synchronized (mPackages) { 6686 mPackages.remove(pkg.applicationInfo.packageName); 6687 cleanPackageDataStructuresLILPw(pkg, chatty); 6688 } 6689 } 6690 6691 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6692 int N = pkg.providers.size(); 6693 StringBuilder r = null; 6694 int i; 6695 for (i=0; i<N; i++) { 6696 PackageParser.Provider p = pkg.providers.get(i); 6697 mProviders.removeProvider(p); 6698 if (p.info.authority == null) { 6699 6700 /* There was another ContentProvider with this authority when 6701 * this app was installed so this authority is null, 6702 * Ignore it as we don't have to unregister the provider. 6703 */ 6704 continue; 6705 } 6706 String names[] = p.info.authority.split(";"); 6707 for (int j = 0; j < names.length; j++) { 6708 if (mProvidersByAuthority.get(names[j]) == p) { 6709 mProvidersByAuthority.remove(names[j]); 6710 if (DEBUG_REMOVE) { 6711 if (chatty) 6712 Log.d(TAG, "Unregistered content provider: " + names[j] 6713 + ", className = " + p.info.name + ", isSyncable = " 6714 + p.info.isSyncable); 6715 } 6716 } 6717 } 6718 if (DEBUG_REMOVE && chatty) { 6719 if (r == null) { 6720 r = new StringBuilder(256); 6721 } else { 6722 r.append(' '); 6723 } 6724 r.append(p.info.name); 6725 } 6726 } 6727 if (r != null) { 6728 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6729 } 6730 6731 N = pkg.services.size(); 6732 r = null; 6733 for (i=0; i<N; i++) { 6734 PackageParser.Service s = pkg.services.get(i); 6735 mServices.removeService(s); 6736 if (chatty) { 6737 if (r == null) { 6738 r = new StringBuilder(256); 6739 } else { 6740 r.append(' '); 6741 } 6742 r.append(s.info.name); 6743 } 6744 } 6745 if (r != null) { 6746 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6747 } 6748 6749 N = pkg.receivers.size(); 6750 r = null; 6751 for (i=0; i<N; i++) { 6752 PackageParser.Activity a = pkg.receivers.get(i); 6753 mReceivers.removeActivity(a, "receiver"); 6754 if (DEBUG_REMOVE && chatty) { 6755 if (r == null) { 6756 r = new StringBuilder(256); 6757 } else { 6758 r.append(' '); 6759 } 6760 r.append(a.info.name); 6761 } 6762 } 6763 if (r != null) { 6764 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6765 } 6766 6767 N = pkg.activities.size(); 6768 r = null; 6769 for (i=0; i<N; i++) { 6770 PackageParser.Activity a = pkg.activities.get(i); 6771 mActivities.removeActivity(a, "activity"); 6772 if (DEBUG_REMOVE && chatty) { 6773 if (r == null) { 6774 r = new StringBuilder(256); 6775 } else { 6776 r.append(' '); 6777 } 6778 r.append(a.info.name); 6779 } 6780 } 6781 if (r != null) { 6782 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6783 } 6784 6785 N = pkg.permissions.size(); 6786 r = null; 6787 for (i=0; i<N; i++) { 6788 PackageParser.Permission p = pkg.permissions.get(i); 6789 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6790 if (bp == null) { 6791 bp = mSettings.mPermissionTrees.get(p.info.name); 6792 } 6793 if (bp != null && bp.perm == p) { 6794 bp.perm = null; 6795 if (DEBUG_REMOVE && chatty) { 6796 if (r == null) { 6797 r = new StringBuilder(256); 6798 } else { 6799 r.append(' '); 6800 } 6801 r.append(p.info.name); 6802 } 6803 } 6804 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6805 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6806 if (appOpPerms != null) { 6807 appOpPerms.remove(pkg.packageName); 6808 } 6809 } 6810 } 6811 if (r != null) { 6812 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6813 } 6814 6815 N = pkg.requestedPermissions.size(); 6816 r = null; 6817 for (i=0; i<N; i++) { 6818 String perm = pkg.requestedPermissions.get(i); 6819 BasePermission bp = mSettings.mPermissions.get(perm); 6820 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6821 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6822 if (appOpPerms != null) { 6823 appOpPerms.remove(pkg.packageName); 6824 if (appOpPerms.isEmpty()) { 6825 mAppOpPermissionPackages.remove(perm); 6826 } 6827 } 6828 } 6829 } 6830 if (r != null) { 6831 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6832 } 6833 6834 N = pkg.instrumentation.size(); 6835 r = null; 6836 for (i=0; i<N; i++) { 6837 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6838 mInstrumentation.remove(a.getComponentName()); 6839 if (DEBUG_REMOVE && chatty) { 6840 if (r == null) { 6841 r = new StringBuilder(256); 6842 } else { 6843 r.append(' '); 6844 } 6845 r.append(a.info.name); 6846 } 6847 } 6848 if (r != null) { 6849 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6850 } 6851 6852 r = null; 6853 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6854 // Only system apps can hold shared libraries. 6855 if (pkg.libraryNames != null) { 6856 for (i=0; i<pkg.libraryNames.size(); i++) { 6857 String name = pkg.libraryNames.get(i); 6858 SharedLibraryEntry cur = mSharedLibraries.get(name); 6859 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6860 mSharedLibraries.remove(name); 6861 if (DEBUG_REMOVE && chatty) { 6862 if (r == null) { 6863 r = new StringBuilder(256); 6864 } else { 6865 r.append(' '); 6866 } 6867 r.append(name); 6868 } 6869 } 6870 } 6871 } 6872 } 6873 if (r != null) { 6874 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6875 } 6876 } 6877 6878 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6879 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6880 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6881 return true; 6882 } 6883 } 6884 return false; 6885 } 6886 6887 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6888 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6889 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6890 6891 private void updatePermissionsLPw(String changingPkg, 6892 PackageParser.Package pkgInfo, int flags) { 6893 // Make sure there are no dangling permission trees. 6894 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6895 while (it.hasNext()) { 6896 final BasePermission bp = it.next(); 6897 if (bp.packageSetting == null) { 6898 // We may not yet have parsed the package, so just see if 6899 // we still know about its settings. 6900 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6901 } 6902 if (bp.packageSetting == null) { 6903 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6904 + " from package " + bp.sourcePackage); 6905 it.remove(); 6906 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6907 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6908 Slog.i(TAG, "Removing old permission tree: " + bp.name 6909 + " from package " + bp.sourcePackage); 6910 flags |= UPDATE_PERMISSIONS_ALL; 6911 it.remove(); 6912 } 6913 } 6914 } 6915 6916 // Make sure all dynamic permissions have been assigned to a package, 6917 // and make sure there are no dangling permissions. 6918 it = mSettings.mPermissions.values().iterator(); 6919 while (it.hasNext()) { 6920 final BasePermission bp = it.next(); 6921 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6922 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6923 + bp.name + " pkg=" + bp.sourcePackage 6924 + " info=" + bp.pendingInfo); 6925 if (bp.packageSetting == null && bp.pendingInfo != null) { 6926 final BasePermission tree = findPermissionTreeLP(bp.name); 6927 if (tree != null && tree.perm != null) { 6928 bp.packageSetting = tree.packageSetting; 6929 bp.perm = new PackageParser.Permission(tree.perm.owner, 6930 new PermissionInfo(bp.pendingInfo)); 6931 bp.perm.info.packageName = tree.perm.info.packageName; 6932 bp.perm.info.name = bp.name; 6933 bp.uid = tree.uid; 6934 } 6935 } 6936 } 6937 if (bp.packageSetting == null) { 6938 // We may not yet have parsed the package, so just see if 6939 // we still know about its settings. 6940 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6941 } 6942 if (bp.packageSetting == null) { 6943 Slog.w(TAG, "Removing dangling permission: " + bp.name 6944 + " from package " + bp.sourcePackage); 6945 it.remove(); 6946 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6947 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6948 Slog.i(TAG, "Removing old permission: " + bp.name 6949 + " from package " + bp.sourcePackage); 6950 flags |= UPDATE_PERMISSIONS_ALL; 6951 it.remove(); 6952 } 6953 } 6954 } 6955 6956 // Now update the permissions for all packages, in particular 6957 // replace the granted permissions of the system packages. 6958 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6959 for (PackageParser.Package pkg : mPackages.values()) { 6960 if (pkg != pkgInfo) { 6961 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6962 changingPkg); 6963 } 6964 } 6965 } 6966 6967 if (pkgInfo != null) { 6968 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6969 } 6970 } 6971 6972 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6973 String packageOfInterest) { 6974 // IMPORTANT: There are two types of permissions: install and runtime. 6975 // Install time permissions are granted when the app is installed to 6976 // all device users and users added in the future. Runtime permissions 6977 // are granted at runtime explicitly to specific users. Normal and signature 6978 // protected permissions are install time permissions. Dangerous permissions 6979 // are install permissions if the app's target SDK is Lollipop MR1 or older, 6980 // otherwise they are runtime permissions. This function does not manage 6981 // runtime permissions except for the case an app targeting Lollipop MR1 6982 // being upgraded to target a newer SDK, in which case dangerous permissions 6983 // are transformed from install time to runtime ones. 6984 6985 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6986 if (ps == null) { 6987 return; 6988 } 6989 6990 PermissionsState permissionsState = ps.getPermissionsState(); 6991 PermissionsState origPermissions = permissionsState; 6992 6993 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 6994 6995 int[] upgradeUserIds = PermissionsState.USERS_NONE; 6996 6997 boolean changedPermission = false; 6998 6999 if (replace) { 7000 ps.permissionsFixed = false; 7001 origPermissions = new PermissionsState(permissionsState); 7002 permissionsState.reset(); 7003 } 7004 7005 permissionsState.setGlobalGids(mGlobalGids); 7006 7007 final int N = pkg.requestedPermissions.size(); 7008 for (int i=0; i<N; i++) { 7009 final String name = pkg.requestedPermissions.get(i); 7010 final BasePermission bp = mSettings.mPermissions.get(name); 7011 7012 if (DEBUG_INSTALL) { 7013 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7014 } 7015 7016 if (bp == null || bp.packageSetting == null) { 7017 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7018 Slog.w(TAG, "Unknown permission " + name 7019 + " in package " + pkg.packageName); 7020 } 7021 continue; 7022 } 7023 7024 final String perm = bp.name; 7025 boolean allowedSig = false; 7026 int grant = GRANT_DENIED; 7027 7028 // Keep track of app op permissions. 7029 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7030 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7031 if (pkgs == null) { 7032 pkgs = new ArraySet<>(); 7033 mAppOpPermissionPackages.put(bp.name, pkgs); 7034 } 7035 pkgs.add(pkg.packageName); 7036 } 7037 7038 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7039 switch (level) { 7040 case PermissionInfo.PROTECTION_NORMAL: { 7041 // For all apps normal permissions are install time ones. 7042 grant = GRANT_INSTALL; 7043 } break; 7044 7045 case PermissionInfo.PROTECTION_DANGEROUS: { 7046 if (!RUNTIME_PERMISSIONS_ENABLED 7047 || pkg.applicationInfo.targetSdkVersion 7048 <= Build.VERSION_CODES.LOLLIPOP_MR1) { 7049 // For legacy apps dangerous permissions are install time ones. 7050 grant = GRANT_INSTALL; 7051 } else if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7052 final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds(); 7053 if (origPermissions.hasInstallPermission(bp.name)) { 7054 // If a system app had an install permission, then the app was 7055 // upgraded and we grant the permissions as runtime to all users. 7056 grant = GRANT_UPGRADE; 7057 upgradeUserIds = currentUserIds; 7058 } else if (!Arrays.equals(updatedUserIds, currentUserIds)) { 7059 // If users changed since the last permissions update for a 7060 // system app, we grant the permission as runtime to the new users. 7061 grant = GRANT_UPGRADE; 7062 upgradeUserIds = currentUserIds; 7063 for (int userId : updatedUserIds) { 7064 upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId); 7065 } 7066 } else { 7067 // Otherwise, we grant the permission as runtime if the app 7068 // already had it, i.e. we preserve runtime permissions. 7069 grant = GRANT_RUNTIME; 7070 } 7071 } else if (origPermissions.hasInstallPermission(bp.name)) { 7072 // For legacy apps that became modern, install becomes runtime. 7073 grant = GRANT_UPGRADE; 7074 upgradeUserIds = currentUserIds; 7075 } else if (replace) { 7076 // For upgraded modern apps keep runtime permissions unchanged. 7077 grant = GRANT_RUNTIME; 7078 } 7079 } break; 7080 7081 case PermissionInfo.PROTECTION_SIGNATURE: { 7082 // For all apps signature permissions are install time ones. 7083 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 7084 if (allowedSig) { 7085 grant = GRANT_INSTALL; 7086 } 7087 } break; 7088 } 7089 7090 if (DEBUG_INSTALL) { 7091 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7092 } 7093 7094 if (grant != GRANT_DENIED) { 7095 if (!isSystemApp(ps) && ps.permissionsFixed) { 7096 // If this is an existing, non-system package, then 7097 // we can't add any new permissions to it. 7098 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 7099 // Except... if this is a permission that was added 7100 // to the platform (note: need to only do this when 7101 // updating the platform). 7102 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 7103 grant = GRANT_DENIED; 7104 } 7105 } 7106 } 7107 7108 switch (grant) { 7109 case GRANT_INSTALL: { 7110 // Grant an install permission. 7111 if (permissionsState.grantInstallPermission(bp) != 7112 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7113 changedPermission = true; 7114 } 7115 } break; 7116 7117 case GRANT_RUNTIME: { 7118 // Grant previously granted runtime permissions. 7119 for (int userId : UserManagerService.getInstance().getUserIds()) { 7120 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 7121 if (permissionsState.grantRuntimePermission(bp, userId) != 7122 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7123 changedPermission = true; 7124 } 7125 } 7126 } 7127 } break; 7128 7129 case GRANT_UPGRADE: { 7130 // Grant runtime permissions for a previously held install permission. 7131 permissionsState.revokeInstallPermission(bp); 7132 for (int userId : upgradeUserIds) { 7133 if (permissionsState.grantRuntimePermission(bp, userId) != 7134 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7135 changedPermission = true; 7136 } 7137 } 7138 } break; 7139 7140 default: { 7141 if (packageOfInterest == null 7142 || packageOfInterest.equals(pkg.packageName)) { 7143 Slog.w(TAG, "Not granting permission " + perm 7144 + " to package " + pkg.packageName 7145 + " because it was previously installed without"); 7146 } 7147 } break; 7148 } 7149 } else { 7150 if (permissionsState.revokeInstallPermission(bp) != 7151 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7152 changedPermission = true; 7153 Slog.i(TAG, "Un-granting permission " + perm 7154 + " from package " + pkg.packageName 7155 + " (protectionLevel=" + bp.protectionLevel 7156 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7157 + ")"); 7158 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7159 // Don't print warning for app op permissions, since it is fine for them 7160 // not to be granted, there is a UI for the user to decide. 7161 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7162 Slog.w(TAG, "Not granting permission " + perm 7163 + " to package " + pkg.packageName 7164 + " (protectionLevel=" + bp.protectionLevel 7165 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7166 + ")"); 7167 } 7168 } 7169 } 7170 } 7171 7172 if ((changedPermission || replace) && !ps.permissionsFixed && 7173 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7174 // This is the first that we have heard about this package, so the 7175 // permissions we have now selected are fixed until explicitly 7176 // changed. 7177 ps.permissionsFixed = true; 7178 } 7179 7180 ps.setPermissionsUpdatedForUserIds(currentUserIds); 7181 } 7182 7183 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7184 boolean allowed = false; 7185 final int NP = PackageParser.NEW_PERMISSIONS.length; 7186 for (int ip=0; ip<NP; ip++) { 7187 final PackageParser.NewPermissionInfo npi 7188 = PackageParser.NEW_PERMISSIONS[ip]; 7189 if (npi.name.equals(perm) 7190 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7191 allowed = true; 7192 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7193 + pkg.packageName); 7194 break; 7195 } 7196 } 7197 return allowed; 7198 } 7199 7200 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7201 BasePermission bp, PermissionsState origPermissions) { 7202 boolean allowed; 7203 allowed = (compareSignatures( 7204 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7205 == PackageManager.SIGNATURE_MATCH) 7206 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7207 == PackageManager.SIGNATURE_MATCH); 7208 if (!allowed && (bp.protectionLevel 7209 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7210 if (isSystemApp(pkg)) { 7211 // For updated system applications, a system permission 7212 // is granted only if it had been defined by the original application. 7213 if (isUpdatedSystemApp(pkg)) { 7214 final PackageSetting sysPs = mSettings 7215 .getDisabledSystemPkgLPr(pkg.packageName); 7216 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 7217 // If the original was granted this permission, we take 7218 // that grant decision as read and propagate it to the 7219 // update. 7220 if (sysPs.isPrivileged()) { 7221 allowed = true; 7222 } 7223 } else { 7224 // The system apk may have been updated with an older 7225 // version of the one on the data partition, but which 7226 // granted a new system permission that it didn't have 7227 // before. In this case we do want to allow the app to 7228 // now get the new permission if the ancestral apk is 7229 // privileged to get it. 7230 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7231 for (int j=0; 7232 j<sysPs.pkg.requestedPermissions.size(); j++) { 7233 if (perm.equals( 7234 sysPs.pkg.requestedPermissions.get(j))) { 7235 allowed = true; 7236 break; 7237 } 7238 } 7239 } 7240 } 7241 } else { 7242 allowed = isPrivilegedApp(pkg); 7243 } 7244 } 7245 } 7246 if (!allowed && (bp.protectionLevel 7247 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7248 // For development permissions, a development permission 7249 // is granted only if it was already granted. 7250 allowed = origPermissions.hasInstallPermission(perm); 7251 } 7252 return allowed; 7253 } 7254 7255 final class ActivityIntentResolver 7256 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7257 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7258 boolean defaultOnly, int userId) { 7259 if (!sUserManager.exists(userId)) return null; 7260 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7261 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7262 } 7263 7264 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7265 int userId) { 7266 if (!sUserManager.exists(userId)) return null; 7267 mFlags = flags; 7268 return super.queryIntent(intent, resolvedType, 7269 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7270 } 7271 7272 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7273 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7274 if (!sUserManager.exists(userId)) return null; 7275 if (packageActivities == null) { 7276 return null; 7277 } 7278 mFlags = flags; 7279 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7280 final int N = packageActivities.size(); 7281 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7282 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7283 7284 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7285 for (int i = 0; i < N; ++i) { 7286 intentFilters = packageActivities.get(i).intents; 7287 if (intentFilters != null && intentFilters.size() > 0) { 7288 PackageParser.ActivityIntentInfo[] array = 7289 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7290 intentFilters.toArray(array); 7291 listCut.add(array); 7292 } 7293 } 7294 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7295 } 7296 7297 public final void addActivity(PackageParser.Activity a, String type) { 7298 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7299 mActivities.put(a.getComponentName(), a); 7300 if (DEBUG_SHOW_INFO) 7301 Log.v( 7302 TAG, " " + type + " " + 7303 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7304 if (DEBUG_SHOW_INFO) 7305 Log.v(TAG, " Class=" + a.info.name); 7306 final int NI = a.intents.size(); 7307 for (int j=0; j<NI; j++) { 7308 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7309 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7310 intent.setPriority(0); 7311 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7312 + a.className + " with priority > 0, forcing to 0"); 7313 } 7314 if (DEBUG_SHOW_INFO) { 7315 Log.v(TAG, " IntentFilter:"); 7316 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7317 } 7318 if (!intent.debugCheck()) { 7319 Log.w(TAG, "==> For Activity " + a.info.name); 7320 } 7321 addFilter(intent); 7322 } 7323 } 7324 7325 public final void removeActivity(PackageParser.Activity a, String type) { 7326 mActivities.remove(a.getComponentName()); 7327 if (DEBUG_SHOW_INFO) { 7328 Log.v(TAG, " " + type + " " 7329 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7330 : a.info.name) + ":"); 7331 Log.v(TAG, " Class=" + a.info.name); 7332 } 7333 final int NI = a.intents.size(); 7334 for (int j=0; j<NI; j++) { 7335 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7336 if (DEBUG_SHOW_INFO) { 7337 Log.v(TAG, " IntentFilter:"); 7338 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7339 } 7340 removeFilter(intent); 7341 } 7342 } 7343 7344 @Override 7345 protected boolean allowFilterResult( 7346 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7347 ActivityInfo filterAi = filter.activity.info; 7348 for (int i=dest.size()-1; i>=0; i--) { 7349 ActivityInfo destAi = dest.get(i).activityInfo; 7350 if (destAi.name == filterAi.name 7351 && destAi.packageName == filterAi.packageName) { 7352 return false; 7353 } 7354 } 7355 return true; 7356 } 7357 7358 @Override 7359 protected ActivityIntentInfo[] newArray(int size) { 7360 return new ActivityIntentInfo[size]; 7361 } 7362 7363 @Override 7364 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7365 if (!sUserManager.exists(userId)) return true; 7366 PackageParser.Package p = filter.activity.owner; 7367 if (p != null) { 7368 PackageSetting ps = (PackageSetting)p.mExtras; 7369 if (ps != null) { 7370 // System apps are never considered stopped for purposes of 7371 // filtering, because there may be no way for the user to 7372 // actually re-launch them. 7373 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7374 && ps.getStopped(userId); 7375 } 7376 } 7377 return false; 7378 } 7379 7380 @Override 7381 protected boolean isPackageForFilter(String packageName, 7382 PackageParser.ActivityIntentInfo info) { 7383 return packageName.equals(info.activity.owner.packageName); 7384 } 7385 7386 @Override 7387 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7388 int match, int userId) { 7389 if (!sUserManager.exists(userId)) return null; 7390 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7391 return null; 7392 } 7393 final PackageParser.Activity activity = info.activity; 7394 if (mSafeMode && (activity.info.applicationInfo.flags 7395 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7396 return null; 7397 } 7398 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7399 if (ps == null) { 7400 return null; 7401 } 7402 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7403 ps.readUserState(userId), userId); 7404 if (ai == null) { 7405 return null; 7406 } 7407 final ResolveInfo res = new ResolveInfo(); 7408 res.activityInfo = ai; 7409 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7410 res.filter = info; 7411 } 7412 res.priority = info.getPriority(); 7413 res.preferredOrder = activity.owner.mPreferredOrder; 7414 //System.out.println("Result: " + res.activityInfo.className + 7415 // " = " + res.priority); 7416 res.match = match; 7417 res.isDefault = info.hasDefault; 7418 res.labelRes = info.labelRes; 7419 res.nonLocalizedLabel = info.nonLocalizedLabel; 7420 if (userNeedsBadging(userId)) { 7421 res.noResourceId = true; 7422 } else { 7423 res.icon = info.icon; 7424 } 7425 res.system = isSystemApp(res.activityInfo.applicationInfo); 7426 return res; 7427 } 7428 7429 @Override 7430 protected void sortResults(List<ResolveInfo> results) { 7431 Collections.sort(results, mResolvePrioritySorter); 7432 } 7433 7434 @Override 7435 protected void dumpFilter(PrintWriter out, String prefix, 7436 PackageParser.ActivityIntentInfo filter) { 7437 out.print(prefix); out.print( 7438 Integer.toHexString(System.identityHashCode(filter.activity))); 7439 out.print(' '); 7440 filter.activity.printComponentShortName(out); 7441 out.print(" filter "); 7442 out.println(Integer.toHexString(System.identityHashCode(filter))); 7443 } 7444 7445 @Override 7446 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7447 return filter.activity; 7448 } 7449 7450 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7451 PackageParser.Activity activity = (PackageParser.Activity)label; 7452 out.print(prefix); out.print( 7453 Integer.toHexString(System.identityHashCode(activity))); 7454 out.print(' '); 7455 activity.printComponentShortName(out); 7456 if (count > 1) { 7457 out.print(" ("); out.print(count); out.print(" filters)"); 7458 } 7459 out.println(); 7460 } 7461 7462// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7463// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7464// final List<ResolveInfo> retList = Lists.newArrayList(); 7465// while (i.hasNext()) { 7466// final ResolveInfo resolveInfo = i.next(); 7467// if (isEnabledLP(resolveInfo.activityInfo)) { 7468// retList.add(resolveInfo); 7469// } 7470// } 7471// return retList; 7472// } 7473 7474 // Keys are String (activity class name), values are Activity. 7475 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7476 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7477 private int mFlags; 7478 } 7479 7480 private final class ServiceIntentResolver 7481 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7482 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7483 boolean defaultOnly, int userId) { 7484 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7485 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7486 } 7487 7488 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7489 int userId) { 7490 if (!sUserManager.exists(userId)) return null; 7491 mFlags = flags; 7492 return super.queryIntent(intent, resolvedType, 7493 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7494 } 7495 7496 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7497 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7498 if (!sUserManager.exists(userId)) return null; 7499 if (packageServices == null) { 7500 return null; 7501 } 7502 mFlags = flags; 7503 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7504 final int N = packageServices.size(); 7505 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7506 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7507 7508 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7509 for (int i = 0; i < N; ++i) { 7510 intentFilters = packageServices.get(i).intents; 7511 if (intentFilters != null && intentFilters.size() > 0) { 7512 PackageParser.ServiceIntentInfo[] array = 7513 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7514 intentFilters.toArray(array); 7515 listCut.add(array); 7516 } 7517 } 7518 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7519 } 7520 7521 public final void addService(PackageParser.Service s) { 7522 mServices.put(s.getComponentName(), s); 7523 if (DEBUG_SHOW_INFO) { 7524 Log.v(TAG, " " 7525 + (s.info.nonLocalizedLabel != null 7526 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7527 Log.v(TAG, " Class=" + s.info.name); 7528 } 7529 final int NI = s.intents.size(); 7530 int j; 7531 for (j=0; j<NI; j++) { 7532 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7533 if (DEBUG_SHOW_INFO) { 7534 Log.v(TAG, " IntentFilter:"); 7535 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7536 } 7537 if (!intent.debugCheck()) { 7538 Log.w(TAG, "==> For Service " + s.info.name); 7539 } 7540 addFilter(intent); 7541 } 7542 } 7543 7544 public final void removeService(PackageParser.Service s) { 7545 mServices.remove(s.getComponentName()); 7546 if (DEBUG_SHOW_INFO) { 7547 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7548 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7549 Log.v(TAG, " Class=" + s.info.name); 7550 } 7551 final int NI = s.intents.size(); 7552 int j; 7553 for (j=0; j<NI; j++) { 7554 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7555 if (DEBUG_SHOW_INFO) { 7556 Log.v(TAG, " IntentFilter:"); 7557 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7558 } 7559 removeFilter(intent); 7560 } 7561 } 7562 7563 @Override 7564 protected boolean allowFilterResult( 7565 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7566 ServiceInfo filterSi = filter.service.info; 7567 for (int i=dest.size()-1; i>=0; i--) { 7568 ServiceInfo destAi = dest.get(i).serviceInfo; 7569 if (destAi.name == filterSi.name 7570 && destAi.packageName == filterSi.packageName) { 7571 return false; 7572 } 7573 } 7574 return true; 7575 } 7576 7577 @Override 7578 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7579 return new PackageParser.ServiceIntentInfo[size]; 7580 } 7581 7582 @Override 7583 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7584 if (!sUserManager.exists(userId)) return true; 7585 PackageParser.Package p = filter.service.owner; 7586 if (p != null) { 7587 PackageSetting ps = (PackageSetting)p.mExtras; 7588 if (ps != null) { 7589 // System apps are never considered stopped for purposes of 7590 // filtering, because there may be no way for the user to 7591 // actually re-launch them. 7592 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7593 && ps.getStopped(userId); 7594 } 7595 } 7596 return false; 7597 } 7598 7599 @Override 7600 protected boolean isPackageForFilter(String packageName, 7601 PackageParser.ServiceIntentInfo info) { 7602 return packageName.equals(info.service.owner.packageName); 7603 } 7604 7605 @Override 7606 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7607 int match, int userId) { 7608 if (!sUserManager.exists(userId)) return null; 7609 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7610 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7611 return null; 7612 } 7613 final PackageParser.Service service = info.service; 7614 if (mSafeMode && (service.info.applicationInfo.flags 7615 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7616 return null; 7617 } 7618 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7619 if (ps == null) { 7620 return null; 7621 } 7622 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7623 ps.readUserState(userId), userId); 7624 if (si == null) { 7625 return null; 7626 } 7627 final ResolveInfo res = new ResolveInfo(); 7628 res.serviceInfo = si; 7629 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7630 res.filter = filter; 7631 } 7632 res.priority = info.getPriority(); 7633 res.preferredOrder = service.owner.mPreferredOrder; 7634 //System.out.println("Result: " + res.activityInfo.className + 7635 // " = " + res.priority); 7636 res.match = match; 7637 res.isDefault = info.hasDefault; 7638 res.labelRes = info.labelRes; 7639 res.nonLocalizedLabel = info.nonLocalizedLabel; 7640 res.icon = info.icon; 7641 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7642 return res; 7643 } 7644 7645 @Override 7646 protected void sortResults(List<ResolveInfo> results) { 7647 Collections.sort(results, mResolvePrioritySorter); 7648 } 7649 7650 @Override 7651 protected void dumpFilter(PrintWriter out, String prefix, 7652 PackageParser.ServiceIntentInfo filter) { 7653 out.print(prefix); out.print( 7654 Integer.toHexString(System.identityHashCode(filter.service))); 7655 out.print(' '); 7656 filter.service.printComponentShortName(out); 7657 out.print(" filter "); 7658 out.println(Integer.toHexString(System.identityHashCode(filter))); 7659 } 7660 7661 @Override 7662 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7663 return filter.service; 7664 } 7665 7666 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7667 PackageParser.Service service = (PackageParser.Service)label; 7668 out.print(prefix); out.print( 7669 Integer.toHexString(System.identityHashCode(service))); 7670 out.print(' '); 7671 service.printComponentShortName(out); 7672 if (count > 1) { 7673 out.print(" ("); out.print(count); out.print(" filters)"); 7674 } 7675 out.println(); 7676 } 7677 7678// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7679// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7680// final List<ResolveInfo> retList = Lists.newArrayList(); 7681// while (i.hasNext()) { 7682// final ResolveInfo resolveInfo = (ResolveInfo) i; 7683// if (isEnabledLP(resolveInfo.serviceInfo)) { 7684// retList.add(resolveInfo); 7685// } 7686// } 7687// return retList; 7688// } 7689 7690 // Keys are String (activity class name), values are Activity. 7691 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7692 = new ArrayMap<ComponentName, PackageParser.Service>(); 7693 private int mFlags; 7694 }; 7695 7696 private final class ProviderIntentResolver 7697 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7698 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7699 boolean defaultOnly, int userId) { 7700 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7701 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7702 } 7703 7704 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7705 int userId) { 7706 if (!sUserManager.exists(userId)) 7707 return null; 7708 mFlags = flags; 7709 return super.queryIntent(intent, resolvedType, 7710 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7711 } 7712 7713 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7714 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7715 if (!sUserManager.exists(userId)) 7716 return null; 7717 if (packageProviders == null) { 7718 return null; 7719 } 7720 mFlags = flags; 7721 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7722 final int N = packageProviders.size(); 7723 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7724 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7725 7726 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7727 for (int i = 0; i < N; ++i) { 7728 intentFilters = packageProviders.get(i).intents; 7729 if (intentFilters != null && intentFilters.size() > 0) { 7730 PackageParser.ProviderIntentInfo[] array = 7731 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7732 intentFilters.toArray(array); 7733 listCut.add(array); 7734 } 7735 } 7736 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7737 } 7738 7739 public final void addProvider(PackageParser.Provider p) { 7740 if (mProviders.containsKey(p.getComponentName())) { 7741 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7742 return; 7743 } 7744 7745 mProviders.put(p.getComponentName(), p); 7746 if (DEBUG_SHOW_INFO) { 7747 Log.v(TAG, " " 7748 + (p.info.nonLocalizedLabel != null 7749 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7750 Log.v(TAG, " Class=" + p.info.name); 7751 } 7752 final int NI = p.intents.size(); 7753 int j; 7754 for (j = 0; j < NI; j++) { 7755 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7756 if (DEBUG_SHOW_INFO) { 7757 Log.v(TAG, " IntentFilter:"); 7758 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7759 } 7760 if (!intent.debugCheck()) { 7761 Log.w(TAG, "==> For Provider " + p.info.name); 7762 } 7763 addFilter(intent); 7764 } 7765 } 7766 7767 public final void removeProvider(PackageParser.Provider p) { 7768 mProviders.remove(p.getComponentName()); 7769 if (DEBUG_SHOW_INFO) { 7770 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7771 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7772 Log.v(TAG, " Class=" + p.info.name); 7773 } 7774 final int NI = p.intents.size(); 7775 int j; 7776 for (j = 0; j < NI; j++) { 7777 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7778 if (DEBUG_SHOW_INFO) { 7779 Log.v(TAG, " IntentFilter:"); 7780 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7781 } 7782 removeFilter(intent); 7783 } 7784 } 7785 7786 @Override 7787 protected boolean allowFilterResult( 7788 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7789 ProviderInfo filterPi = filter.provider.info; 7790 for (int i = dest.size() - 1; i >= 0; i--) { 7791 ProviderInfo destPi = dest.get(i).providerInfo; 7792 if (destPi.name == filterPi.name 7793 && destPi.packageName == filterPi.packageName) { 7794 return false; 7795 } 7796 } 7797 return true; 7798 } 7799 7800 @Override 7801 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7802 return new PackageParser.ProviderIntentInfo[size]; 7803 } 7804 7805 @Override 7806 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7807 if (!sUserManager.exists(userId)) 7808 return true; 7809 PackageParser.Package p = filter.provider.owner; 7810 if (p != null) { 7811 PackageSetting ps = (PackageSetting) p.mExtras; 7812 if (ps != null) { 7813 // System apps are never considered stopped for purposes of 7814 // filtering, because there may be no way for the user to 7815 // actually re-launch them. 7816 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7817 && ps.getStopped(userId); 7818 } 7819 } 7820 return false; 7821 } 7822 7823 @Override 7824 protected boolean isPackageForFilter(String packageName, 7825 PackageParser.ProviderIntentInfo info) { 7826 return packageName.equals(info.provider.owner.packageName); 7827 } 7828 7829 @Override 7830 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7831 int match, int userId) { 7832 if (!sUserManager.exists(userId)) 7833 return null; 7834 final PackageParser.ProviderIntentInfo info = filter; 7835 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7836 return null; 7837 } 7838 final PackageParser.Provider provider = info.provider; 7839 if (mSafeMode && (provider.info.applicationInfo.flags 7840 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7841 return null; 7842 } 7843 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7844 if (ps == null) { 7845 return null; 7846 } 7847 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7848 ps.readUserState(userId), userId); 7849 if (pi == null) { 7850 return null; 7851 } 7852 final ResolveInfo res = new ResolveInfo(); 7853 res.providerInfo = pi; 7854 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7855 res.filter = filter; 7856 } 7857 res.priority = info.getPriority(); 7858 res.preferredOrder = provider.owner.mPreferredOrder; 7859 res.match = match; 7860 res.isDefault = info.hasDefault; 7861 res.labelRes = info.labelRes; 7862 res.nonLocalizedLabel = info.nonLocalizedLabel; 7863 res.icon = info.icon; 7864 res.system = isSystemApp(res.providerInfo.applicationInfo); 7865 return res; 7866 } 7867 7868 @Override 7869 protected void sortResults(List<ResolveInfo> results) { 7870 Collections.sort(results, mResolvePrioritySorter); 7871 } 7872 7873 @Override 7874 protected void dumpFilter(PrintWriter out, String prefix, 7875 PackageParser.ProviderIntentInfo filter) { 7876 out.print(prefix); 7877 out.print( 7878 Integer.toHexString(System.identityHashCode(filter.provider))); 7879 out.print(' '); 7880 filter.provider.printComponentShortName(out); 7881 out.print(" filter "); 7882 out.println(Integer.toHexString(System.identityHashCode(filter))); 7883 } 7884 7885 @Override 7886 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7887 return filter.provider; 7888 } 7889 7890 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7891 PackageParser.Provider provider = (PackageParser.Provider)label; 7892 out.print(prefix); out.print( 7893 Integer.toHexString(System.identityHashCode(provider))); 7894 out.print(' '); 7895 provider.printComponentShortName(out); 7896 if (count > 1) { 7897 out.print(" ("); out.print(count); out.print(" filters)"); 7898 } 7899 out.println(); 7900 } 7901 7902 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7903 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7904 private int mFlags; 7905 }; 7906 7907 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7908 new Comparator<ResolveInfo>() { 7909 public int compare(ResolveInfo r1, ResolveInfo r2) { 7910 int v1 = r1.priority; 7911 int v2 = r2.priority; 7912 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7913 if (v1 != v2) { 7914 return (v1 > v2) ? -1 : 1; 7915 } 7916 v1 = r1.preferredOrder; 7917 v2 = r2.preferredOrder; 7918 if (v1 != v2) { 7919 return (v1 > v2) ? -1 : 1; 7920 } 7921 if (r1.isDefault != r2.isDefault) { 7922 return r1.isDefault ? -1 : 1; 7923 } 7924 v1 = r1.match; 7925 v2 = r2.match; 7926 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7927 if (v1 != v2) { 7928 return (v1 > v2) ? -1 : 1; 7929 } 7930 if (r1.system != r2.system) { 7931 return r1.system ? -1 : 1; 7932 } 7933 return 0; 7934 } 7935 }; 7936 7937 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7938 new Comparator<ProviderInfo>() { 7939 public int compare(ProviderInfo p1, ProviderInfo p2) { 7940 final int v1 = p1.initOrder; 7941 final int v2 = p2.initOrder; 7942 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7943 } 7944 }; 7945 7946 static final void sendPackageBroadcast(String action, String pkg, 7947 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7948 int[] userIds) { 7949 IActivityManager am = ActivityManagerNative.getDefault(); 7950 if (am != null) { 7951 try { 7952 if (userIds == null) { 7953 userIds = am.getRunningUserIds(); 7954 } 7955 for (int id : userIds) { 7956 final Intent intent = new Intent(action, 7957 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7958 if (extras != null) { 7959 intent.putExtras(extras); 7960 } 7961 if (targetPkg != null) { 7962 intent.setPackage(targetPkg); 7963 } 7964 // Modify the UID when posting to other users 7965 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7966 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7967 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7968 intent.putExtra(Intent.EXTRA_UID, uid); 7969 } 7970 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7971 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7972 if (DEBUG_BROADCASTS) { 7973 RuntimeException here = new RuntimeException("here"); 7974 here.fillInStackTrace(); 7975 Slog.d(TAG, "Sending to user " + id + ": " 7976 + intent.toShortString(false, true, false, false) 7977 + " " + intent.getExtras(), here); 7978 } 7979 am.broadcastIntent(null, intent, null, finishedReceiver, 7980 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7981 finishedReceiver != null, false, id); 7982 } 7983 } catch (RemoteException ex) { 7984 } 7985 } 7986 } 7987 7988 /** 7989 * Check if the external storage media is available. This is true if there 7990 * is a mounted external storage medium or if the external storage is 7991 * emulated. 7992 */ 7993 private boolean isExternalMediaAvailable() { 7994 return mMediaMounted || Environment.isExternalStorageEmulated(); 7995 } 7996 7997 @Override 7998 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7999 // writer 8000 synchronized (mPackages) { 8001 if (!isExternalMediaAvailable()) { 8002 // If the external storage is no longer mounted at this point, 8003 // the caller may not have been able to delete all of this 8004 // packages files and can not delete any more. Bail. 8005 return null; 8006 } 8007 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 8008 if (lastPackage != null) { 8009 pkgs.remove(lastPackage); 8010 } 8011 if (pkgs.size() > 0) { 8012 return pkgs.get(0); 8013 } 8014 } 8015 return null; 8016 } 8017 8018 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8019 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8020 userId, andCode ? 1 : 0, packageName); 8021 if (mSystemReady) { 8022 msg.sendToTarget(); 8023 } else { 8024 if (mPostSystemReadyMessages == null) { 8025 mPostSystemReadyMessages = new ArrayList<>(); 8026 } 8027 mPostSystemReadyMessages.add(msg); 8028 } 8029 } 8030 8031 void startCleaningPackages() { 8032 // reader 8033 synchronized (mPackages) { 8034 if (!isExternalMediaAvailable()) { 8035 return; 8036 } 8037 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8038 return; 8039 } 8040 } 8041 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8042 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8043 IActivityManager am = ActivityManagerNative.getDefault(); 8044 if (am != null) { 8045 try { 8046 am.startService(null, intent, null, UserHandle.USER_OWNER); 8047 } catch (RemoteException e) { 8048 } 8049 } 8050 } 8051 8052 @Override 8053 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8054 int installFlags, String installerPackageName, VerificationParams verificationParams, 8055 String packageAbiOverride) { 8056 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8057 packageAbiOverride, UserHandle.getCallingUserId()); 8058 } 8059 8060 @Override 8061 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8062 int installFlags, String installerPackageName, VerificationParams verificationParams, 8063 String packageAbiOverride, int userId) { 8064 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8065 8066 final int callingUid = Binder.getCallingUid(); 8067 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8068 8069 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8070 try { 8071 if (observer != null) { 8072 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8073 } 8074 } catch (RemoteException re) { 8075 } 8076 return; 8077 } 8078 8079 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8080 installFlags |= PackageManager.INSTALL_FROM_ADB; 8081 8082 } else { 8083 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8084 // about installerPackageName. 8085 8086 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8087 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8088 } 8089 8090 UserHandle user; 8091 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8092 user = UserHandle.ALL; 8093 } else { 8094 user = new UserHandle(userId); 8095 } 8096 8097 verificationParams.setInstallerUid(callingUid); 8098 8099 final File originFile = new File(originPath); 8100 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8101 8102 final Message msg = mHandler.obtainMessage(INIT_COPY); 8103 msg.obj = new InstallParams(origin, observer, installFlags, 8104 installerPackageName, verificationParams, user, packageAbiOverride); 8105 mHandler.sendMessage(msg); 8106 } 8107 8108 void installStage(String packageName, File stagedDir, String stagedCid, 8109 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8110 String installerPackageName, int installerUid, UserHandle user) { 8111 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8112 params.referrerUri, installerUid, null); 8113 8114 final OriginInfo origin; 8115 if (stagedDir != null) { 8116 origin = OriginInfo.fromStagedFile(stagedDir); 8117 } else { 8118 origin = OriginInfo.fromStagedContainer(stagedCid); 8119 } 8120 8121 final Message msg = mHandler.obtainMessage(INIT_COPY); 8122 msg.obj = new InstallParams(origin, observer, params.installFlags, 8123 installerPackageName, verifParams, user, params.abiOverride); 8124 mHandler.sendMessage(msg); 8125 } 8126 8127 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8128 Bundle extras = new Bundle(1); 8129 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8130 8131 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8132 packageName, extras, null, null, new int[] {userId}); 8133 try { 8134 IActivityManager am = ActivityManagerNative.getDefault(); 8135 final boolean isSystem = 8136 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8137 if (isSystem && am.isUserRunning(userId, false)) { 8138 // The just-installed/enabled app is bundled on the system, so presumed 8139 // to be able to run automatically without needing an explicit launch. 8140 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8141 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8142 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8143 .setPackage(packageName); 8144 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8145 android.app.AppOpsManager.OP_NONE, false, false, userId); 8146 } 8147 } catch (RemoteException e) { 8148 // shouldn't happen 8149 Slog.w(TAG, "Unable to bootstrap installed package", e); 8150 } 8151 } 8152 8153 @Override 8154 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8155 int userId) { 8156 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8157 PackageSetting pkgSetting; 8158 final int uid = Binder.getCallingUid(); 8159 enforceCrossUserPermission(uid, userId, true, true, 8160 "setApplicationHiddenSetting for user " + userId); 8161 8162 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8163 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8164 return false; 8165 } 8166 8167 long callingId = Binder.clearCallingIdentity(); 8168 try { 8169 boolean sendAdded = false; 8170 boolean sendRemoved = false; 8171 // writer 8172 synchronized (mPackages) { 8173 pkgSetting = mSettings.mPackages.get(packageName); 8174 if (pkgSetting == null) { 8175 return false; 8176 } 8177 if (pkgSetting.getHidden(userId) != hidden) { 8178 pkgSetting.setHidden(hidden, userId); 8179 mSettings.writePackageRestrictionsLPr(userId); 8180 if (hidden) { 8181 sendRemoved = true; 8182 } else { 8183 sendAdded = true; 8184 } 8185 } 8186 } 8187 if (sendAdded) { 8188 sendPackageAddedForUser(packageName, pkgSetting, userId); 8189 return true; 8190 } 8191 if (sendRemoved) { 8192 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8193 "hiding pkg"); 8194 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8195 } 8196 } finally { 8197 Binder.restoreCallingIdentity(callingId); 8198 } 8199 return false; 8200 } 8201 8202 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8203 int userId) { 8204 final PackageRemovedInfo info = new PackageRemovedInfo(); 8205 info.removedPackage = packageName; 8206 info.removedUsers = new int[] {userId}; 8207 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8208 info.sendBroadcast(false, false, false); 8209 } 8210 8211 /** 8212 * Returns true if application is not found or there was an error. Otherwise it returns 8213 * the hidden state of the package for the given user. 8214 */ 8215 @Override 8216 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8217 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8218 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8219 false, "getApplicationHidden for user " + userId); 8220 PackageSetting pkgSetting; 8221 long callingId = Binder.clearCallingIdentity(); 8222 try { 8223 // writer 8224 synchronized (mPackages) { 8225 pkgSetting = mSettings.mPackages.get(packageName); 8226 if (pkgSetting == null) { 8227 return true; 8228 } 8229 return pkgSetting.getHidden(userId); 8230 } 8231 } finally { 8232 Binder.restoreCallingIdentity(callingId); 8233 } 8234 } 8235 8236 /** 8237 * @hide 8238 */ 8239 @Override 8240 public int installExistingPackageAsUser(String packageName, int userId) { 8241 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8242 null); 8243 PackageSetting pkgSetting; 8244 final int uid = Binder.getCallingUid(); 8245 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8246 + userId); 8247 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8248 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8249 } 8250 8251 long callingId = Binder.clearCallingIdentity(); 8252 try { 8253 boolean sendAdded = false; 8254 Bundle extras = new Bundle(1); 8255 8256 // writer 8257 synchronized (mPackages) { 8258 pkgSetting = mSettings.mPackages.get(packageName); 8259 if (pkgSetting == null) { 8260 return PackageManager.INSTALL_FAILED_INVALID_URI; 8261 } 8262 if (!pkgSetting.getInstalled(userId)) { 8263 pkgSetting.setInstalled(true, userId); 8264 pkgSetting.setHidden(false, userId); 8265 mSettings.writePackageRestrictionsLPr(userId); 8266 sendAdded = true; 8267 } 8268 } 8269 8270 if (sendAdded) { 8271 sendPackageAddedForUser(packageName, pkgSetting, userId); 8272 } 8273 } finally { 8274 Binder.restoreCallingIdentity(callingId); 8275 } 8276 8277 return PackageManager.INSTALL_SUCCEEDED; 8278 } 8279 8280 boolean isUserRestricted(int userId, String restrictionKey) { 8281 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8282 if (restrictions.getBoolean(restrictionKey, false)) { 8283 Log.w(TAG, "User is restricted: " + restrictionKey); 8284 return true; 8285 } 8286 return false; 8287 } 8288 8289 @Override 8290 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8291 mContext.enforceCallingOrSelfPermission( 8292 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8293 "Only package verification agents can verify applications"); 8294 8295 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8296 final PackageVerificationResponse response = new PackageVerificationResponse( 8297 verificationCode, Binder.getCallingUid()); 8298 msg.arg1 = id; 8299 msg.obj = response; 8300 mHandler.sendMessage(msg); 8301 } 8302 8303 @Override 8304 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8305 long millisecondsToDelay) { 8306 mContext.enforceCallingOrSelfPermission( 8307 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8308 "Only package verification agents can extend verification timeouts"); 8309 8310 final PackageVerificationState state = mPendingVerification.get(id); 8311 final PackageVerificationResponse response = new PackageVerificationResponse( 8312 verificationCodeAtTimeout, Binder.getCallingUid()); 8313 8314 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8315 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8316 } 8317 if (millisecondsToDelay < 0) { 8318 millisecondsToDelay = 0; 8319 } 8320 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8321 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8322 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8323 } 8324 8325 if ((state != null) && !state.timeoutExtended()) { 8326 state.extendTimeout(); 8327 8328 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8329 msg.arg1 = id; 8330 msg.obj = response; 8331 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8332 } 8333 } 8334 8335 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8336 int verificationCode, UserHandle user) { 8337 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8338 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8339 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8340 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8341 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8342 8343 mContext.sendBroadcastAsUser(intent, user, 8344 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8345 } 8346 8347 private ComponentName matchComponentForVerifier(String packageName, 8348 List<ResolveInfo> receivers) { 8349 ActivityInfo targetReceiver = null; 8350 8351 final int NR = receivers.size(); 8352 for (int i = 0; i < NR; i++) { 8353 final ResolveInfo info = receivers.get(i); 8354 if (info.activityInfo == null) { 8355 continue; 8356 } 8357 8358 if (packageName.equals(info.activityInfo.packageName)) { 8359 targetReceiver = info.activityInfo; 8360 break; 8361 } 8362 } 8363 8364 if (targetReceiver == null) { 8365 return null; 8366 } 8367 8368 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8369 } 8370 8371 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8372 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8373 if (pkgInfo.verifiers.length == 0) { 8374 return null; 8375 } 8376 8377 final int N = pkgInfo.verifiers.length; 8378 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8379 for (int i = 0; i < N; i++) { 8380 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8381 8382 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8383 receivers); 8384 if (comp == null) { 8385 continue; 8386 } 8387 8388 final int verifierUid = getUidForVerifier(verifierInfo); 8389 if (verifierUid == -1) { 8390 continue; 8391 } 8392 8393 if (DEBUG_VERIFY) { 8394 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8395 + " with the correct signature"); 8396 } 8397 sufficientVerifiers.add(comp); 8398 verificationState.addSufficientVerifier(verifierUid); 8399 } 8400 8401 return sufficientVerifiers; 8402 } 8403 8404 private int getUidForVerifier(VerifierInfo verifierInfo) { 8405 synchronized (mPackages) { 8406 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8407 if (pkg == null) { 8408 return -1; 8409 } else if (pkg.mSignatures.length != 1) { 8410 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8411 + " has more than one signature; ignoring"); 8412 return -1; 8413 } 8414 8415 /* 8416 * If the public key of the package's signature does not match 8417 * our expected public key, then this is a different package and 8418 * we should skip. 8419 */ 8420 8421 final byte[] expectedPublicKey; 8422 try { 8423 final Signature verifierSig = pkg.mSignatures[0]; 8424 final PublicKey publicKey = verifierSig.getPublicKey(); 8425 expectedPublicKey = publicKey.getEncoded(); 8426 } catch (CertificateException e) { 8427 return -1; 8428 } 8429 8430 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8431 8432 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8433 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8434 + " does not have the expected public key; ignoring"); 8435 return -1; 8436 } 8437 8438 return pkg.applicationInfo.uid; 8439 } 8440 } 8441 8442 @Override 8443 public void finishPackageInstall(int token) { 8444 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8445 8446 if (DEBUG_INSTALL) { 8447 Slog.v(TAG, "BM finishing package install for " + token); 8448 } 8449 8450 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8451 mHandler.sendMessage(msg); 8452 } 8453 8454 /** 8455 * Get the verification agent timeout. 8456 * 8457 * @return verification timeout in milliseconds 8458 */ 8459 private long getVerificationTimeout() { 8460 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8461 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8462 DEFAULT_VERIFICATION_TIMEOUT); 8463 } 8464 8465 /** 8466 * Get the default verification agent response code. 8467 * 8468 * @return default verification response code 8469 */ 8470 private int getDefaultVerificationResponse() { 8471 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8472 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8473 DEFAULT_VERIFICATION_RESPONSE); 8474 } 8475 8476 /** 8477 * Check whether or not package verification has been enabled. 8478 * 8479 * @return true if verification should be performed 8480 */ 8481 private boolean isVerificationEnabled(int userId, int installFlags) { 8482 if (!DEFAULT_VERIFY_ENABLE) { 8483 return false; 8484 } 8485 8486 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8487 8488 // Check if installing from ADB 8489 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8490 // Do not run verification in a test harness environment 8491 if (ActivityManager.isRunningInTestHarness()) { 8492 return false; 8493 } 8494 if (ensureVerifyAppsEnabled) { 8495 return true; 8496 } 8497 // Check if the developer does not want package verification for ADB installs 8498 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8499 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8500 return false; 8501 } 8502 } 8503 8504 if (ensureVerifyAppsEnabled) { 8505 return true; 8506 } 8507 8508 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8509 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8510 } 8511 8512 /** 8513 * Get the "allow unknown sources" setting. 8514 * 8515 * @return the current "allow unknown sources" setting 8516 */ 8517 private int getUnknownSourcesSettings() { 8518 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8519 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8520 -1); 8521 } 8522 8523 @Override 8524 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8525 final int uid = Binder.getCallingUid(); 8526 // writer 8527 synchronized (mPackages) { 8528 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8529 if (targetPackageSetting == null) { 8530 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8531 } 8532 8533 PackageSetting installerPackageSetting; 8534 if (installerPackageName != null) { 8535 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8536 if (installerPackageSetting == null) { 8537 throw new IllegalArgumentException("Unknown installer package: " 8538 + installerPackageName); 8539 } 8540 } else { 8541 installerPackageSetting = null; 8542 } 8543 8544 Signature[] callerSignature; 8545 Object obj = mSettings.getUserIdLPr(uid); 8546 if (obj != null) { 8547 if (obj instanceof SharedUserSetting) { 8548 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8549 } else if (obj instanceof PackageSetting) { 8550 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8551 } else { 8552 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8553 } 8554 } else { 8555 throw new SecurityException("Unknown calling uid " + uid); 8556 } 8557 8558 // Verify: can't set installerPackageName to a package that is 8559 // not signed with the same cert as the caller. 8560 if (installerPackageSetting != null) { 8561 if (compareSignatures(callerSignature, 8562 installerPackageSetting.signatures.mSignatures) 8563 != PackageManager.SIGNATURE_MATCH) { 8564 throw new SecurityException( 8565 "Caller does not have same cert as new installer package " 8566 + installerPackageName); 8567 } 8568 } 8569 8570 // Verify: if target already has an installer package, it must 8571 // be signed with the same cert as the caller. 8572 if (targetPackageSetting.installerPackageName != null) { 8573 PackageSetting setting = mSettings.mPackages.get( 8574 targetPackageSetting.installerPackageName); 8575 // If the currently set package isn't valid, then it's always 8576 // okay to change it. 8577 if (setting != null) { 8578 if (compareSignatures(callerSignature, 8579 setting.signatures.mSignatures) 8580 != PackageManager.SIGNATURE_MATCH) { 8581 throw new SecurityException( 8582 "Caller does not have same cert as old installer package " 8583 + targetPackageSetting.installerPackageName); 8584 } 8585 } 8586 } 8587 8588 // Okay! 8589 targetPackageSetting.installerPackageName = installerPackageName; 8590 scheduleWriteSettingsLocked(); 8591 } 8592 } 8593 8594 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8595 // Queue up an async operation since the package installation may take a little while. 8596 mHandler.post(new Runnable() { 8597 public void run() { 8598 mHandler.removeCallbacks(this); 8599 // Result object to be returned 8600 PackageInstalledInfo res = new PackageInstalledInfo(); 8601 res.returnCode = currentStatus; 8602 res.uid = -1; 8603 res.pkg = null; 8604 res.removedInfo = new PackageRemovedInfo(); 8605 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8606 args.doPreInstall(res.returnCode); 8607 synchronized (mInstallLock) { 8608 installPackageLI(args, res); 8609 } 8610 args.doPostInstall(res.returnCode, res.uid); 8611 } 8612 8613 // A restore should be performed at this point if (a) the install 8614 // succeeded, (b) the operation is not an update, and (c) the new 8615 // package has not opted out of backup participation. 8616 final boolean update = res.removedInfo.removedPackage != null; 8617 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8618 boolean doRestore = !update 8619 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8620 8621 // Set up the post-install work request bookkeeping. This will be used 8622 // and cleaned up by the post-install event handling regardless of whether 8623 // there's a restore pass performed. Token values are >= 1. 8624 int token; 8625 if (mNextInstallToken < 0) mNextInstallToken = 1; 8626 token = mNextInstallToken++; 8627 8628 PostInstallData data = new PostInstallData(args, res); 8629 mRunningInstalls.put(token, data); 8630 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8631 8632 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8633 // Pass responsibility to the Backup Manager. It will perform a 8634 // restore if appropriate, then pass responsibility back to the 8635 // Package Manager to run the post-install observer callbacks 8636 // and broadcasts. 8637 IBackupManager bm = IBackupManager.Stub.asInterface( 8638 ServiceManager.getService(Context.BACKUP_SERVICE)); 8639 if (bm != null) { 8640 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8641 + " to BM for possible restore"); 8642 try { 8643 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8644 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8645 } else { 8646 doRestore = false; 8647 } 8648 } catch (RemoteException e) { 8649 // can't happen; the backup manager is local 8650 } catch (Exception e) { 8651 Slog.e(TAG, "Exception trying to enqueue restore", e); 8652 doRestore = false; 8653 } 8654 } else { 8655 Slog.e(TAG, "Backup Manager not found!"); 8656 doRestore = false; 8657 } 8658 } 8659 8660 if (!doRestore) { 8661 // No restore possible, or the Backup Manager was mysteriously not 8662 // available -- just fire the post-install work request directly. 8663 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8664 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8665 mHandler.sendMessage(msg); 8666 } 8667 } 8668 }); 8669 } 8670 8671 private abstract class HandlerParams { 8672 private static final int MAX_RETRIES = 4; 8673 8674 /** 8675 * Number of times startCopy() has been attempted and had a non-fatal 8676 * error. 8677 */ 8678 private int mRetries = 0; 8679 8680 /** User handle for the user requesting the information or installation. */ 8681 private final UserHandle mUser; 8682 8683 HandlerParams(UserHandle user) { 8684 mUser = user; 8685 } 8686 8687 UserHandle getUser() { 8688 return mUser; 8689 } 8690 8691 final boolean startCopy() { 8692 boolean res; 8693 try { 8694 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8695 8696 if (++mRetries > MAX_RETRIES) { 8697 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8698 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8699 handleServiceError(); 8700 return false; 8701 } else { 8702 handleStartCopy(); 8703 res = true; 8704 } 8705 } catch (RemoteException e) { 8706 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8707 mHandler.sendEmptyMessage(MCS_RECONNECT); 8708 res = false; 8709 } 8710 handleReturnCode(); 8711 return res; 8712 } 8713 8714 final void serviceError() { 8715 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8716 handleServiceError(); 8717 handleReturnCode(); 8718 } 8719 8720 abstract void handleStartCopy() throws RemoteException; 8721 abstract void handleServiceError(); 8722 abstract void handleReturnCode(); 8723 } 8724 8725 class MeasureParams extends HandlerParams { 8726 private final PackageStats mStats; 8727 private boolean mSuccess; 8728 8729 private final IPackageStatsObserver mObserver; 8730 8731 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8732 super(new UserHandle(stats.userHandle)); 8733 mObserver = observer; 8734 mStats = stats; 8735 } 8736 8737 @Override 8738 public String toString() { 8739 return "MeasureParams{" 8740 + Integer.toHexString(System.identityHashCode(this)) 8741 + " " + mStats.packageName + "}"; 8742 } 8743 8744 @Override 8745 void handleStartCopy() throws RemoteException { 8746 synchronized (mInstallLock) { 8747 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8748 } 8749 8750 if (mSuccess) { 8751 final boolean mounted; 8752 if (Environment.isExternalStorageEmulated()) { 8753 mounted = true; 8754 } else { 8755 final String status = Environment.getExternalStorageState(); 8756 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8757 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8758 } 8759 8760 if (mounted) { 8761 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8762 8763 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8764 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8765 8766 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8767 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8768 8769 // Always subtract cache size, since it's a subdirectory 8770 mStats.externalDataSize -= mStats.externalCacheSize; 8771 8772 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8773 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8774 8775 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8776 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8777 } 8778 } 8779 } 8780 8781 @Override 8782 void handleReturnCode() { 8783 if (mObserver != null) { 8784 try { 8785 mObserver.onGetStatsCompleted(mStats, mSuccess); 8786 } catch (RemoteException e) { 8787 Slog.i(TAG, "Observer no longer exists."); 8788 } 8789 } 8790 } 8791 8792 @Override 8793 void handleServiceError() { 8794 Slog.e(TAG, "Could not measure application " + mStats.packageName 8795 + " external storage"); 8796 } 8797 } 8798 8799 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8800 throws RemoteException { 8801 long result = 0; 8802 for (File path : paths) { 8803 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8804 } 8805 return result; 8806 } 8807 8808 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8809 for (File path : paths) { 8810 try { 8811 mcs.clearDirectory(path.getAbsolutePath()); 8812 } catch (RemoteException e) { 8813 } 8814 } 8815 } 8816 8817 static class OriginInfo { 8818 /** 8819 * Location where install is coming from, before it has been 8820 * copied/renamed into place. This could be a single monolithic APK 8821 * file, or a cluster directory. This location may be untrusted. 8822 */ 8823 final File file; 8824 final String cid; 8825 8826 /** 8827 * Flag indicating that {@link #file} or {@link #cid} has already been 8828 * staged, meaning downstream users don't need to defensively copy the 8829 * contents. 8830 */ 8831 final boolean staged; 8832 8833 /** 8834 * Flag indicating that {@link #file} or {@link #cid} is an already 8835 * installed app that is being moved. 8836 */ 8837 final boolean existing; 8838 8839 final String resolvedPath; 8840 final File resolvedFile; 8841 8842 static OriginInfo fromNothing() { 8843 return new OriginInfo(null, null, false, false); 8844 } 8845 8846 static OriginInfo fromUntrustedFile(File file) { 8847 return new OriginInfo(file, null, false, false); 8848 } 8849 8850 static OriginInfo fromExistingFile(File file) { 8851 return new OriginInfo(file, null, false, true); 8852 } 8853 8854 static OriginInfo fromStagedFile(File file) { 8855 return new OriginInfo(file, null, true, false); 8856 } 8857 8858 static OriginInfo fromStagedContainer(String cid) { 8859 return new OriginInfo(null, cid, true, false); 8860 } 8861 8862 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8863 this.file = file; 8864 this.cid = cid; 8865 this.staged = staged; 8866 this.existing = existing; 8867 8868 if (cid != null) { 8869 resolvedPath = PackageHelper.getSdDir(cid); 8870 resolvedFile = new File(resolvedPath); 8871 } else if (file != null) { 8872 resolvedPath = file.getAbsolutePath(); 8873 resolvedFile = file; 8874 } else { 8875 resolvedPath = null; 8876 resolvedFile = null; 8877 } 8878 } 8879 } 8880 8881 class InstallParams extends HandlerParams { 8882 final OriginInfo origin; 8883 final IPackageInstallObserver2 observer; 8884 int installFlags; 8885 final String installerPackageName; 8886 final VerificationParams verificationParams; 8887 private InstallArgs mArgs; 8888 private int mRet; 8889 final String packageAbiOverride; 8890 8891 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8892 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8893 String packageAbiOverride) { 8894 super(user); 8895 this.origin = origin; 8896 this.observer = observer; 8897 this.installFlags = installFlags; 8898 this.installerPackageName = installerPackageName; 8899 this.verificationParams = verificationParams; 8900 this.packageAbiOverride = packageAbiOverride; 8901 } 8902 8903 @Override 8904 public String toString() { 8905 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8906 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8907 } 8908 8909 public ManifestDigest getManifestDigest() { 8910 if (verificationParams == null) { 8911 return null; 8912 } 8913 return verificationParams.getManifestDigest(); 8914 } 8915 8916 private int installLocationPolicy(PackageInfoLite pkgLite) { 8917 String packageName = pkgLite.packageName; 8918 int installLocation = pkgLite.installLocation; 8919 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8920 // reader 8921 synchronized (mPackages) { 8922 PackageParser.Package pkg = mPackages.get(packageName); 8923 if (pkg != null) { 8924 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8925 // Check for downgrading. 8926 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8927 try { 8928 checkDowngrade(pkg, pkgLite); 8929 } catch (PackageManagerException e) { 8930 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8931 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8932 } 8933 } 8934 // Check for updated system application. 8935 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8936 if (onSd) { 8937 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8938 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8939 } 8940 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8941 } else { 8942 if (onSd) { 8943 // Install flag overrides everything. 8944 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8945 } 8946 // If current upgrade specifies particular preference 8947 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8948 // Application explicitly specified internal. 8949 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8950 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8951 // App explictly prefers external. Let policy decide 8952 } else { 8953 // Prefer previous location 8954 if (isExternal(pkg)) { 8955 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8956 } 8957 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8958 } 8959 } 8960 } else { 8961 // Invalid install. Return error code 8962 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8963 } 8964 } 8965 } 8966 // All the special cases have been taken care of. 8967 // Return result based on recommended install location. 8968 if (onSd) { 8969 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8970 } 8971 return pkgLite.recommendedInstallLocation; 8972 } 8973 8974 /* 8975 * Invoke remote method to get package information and install 8976 * location values. Override install location based on default 8977 * policy if needed and then create install arguments based 8978 * on the install location. 8979 */ 8980 public void handleStartCopy() throws RemoteException { 8981 int ret = PackageManager.INSTALL_SUCCEEDED; 8982 8983 // If we're already staged, we've firmly committed to an install location 8984 if (origin.staged) { 8985 if (origin.file != null) { 8986 installFlags |= PackageManager.INSTALL_INTERNAL; 8987 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8988 } else if (origin.cid != null) { 8989 installFlags |= PackageManager.INSTALL_EXTERNAL; 8990 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8991 } else { 8992 throw new IllegalStateException("Invalid stage location"); 8993 } 8994 } 8995 8996 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8997 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8998 8999 PackageInfoLite pkgLite = null; 9000 9001 if (onInt && onSd) { 9002 // Check if both bits are set. 9003 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 9004 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9005 } else { 9006 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 9007 packageAbiOverride); 9008 9009 /* 9010 * If we have too little free space, try to free cache 9011 * before giving up. 9012 */ 9013 if (!origin.staged && pkgLite.recommendedInstallLocation 9014 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9015 // TODO: focus freeing disk space on the target device 9016 final StorageManager storage = StorageManager.from(mContext); 9017 final long lowThreshold = storage.getStorageLowBytes( 9018 Environment.getDataDirectory()); 9019 9020 final long sizeBytes = mContainerService.calculateInstalledSize( 9021 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9022 9023 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9024 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9025 installFlags, packageAbiOverride); 9026 } 9027 9028 /* 9029 * The cache free must have deleted the file we 9030 * downloaded to install. 9031 * 9032 * TODO: fix the "freeCache" call to not delete 9033 * the file we care about. 9034 */ 9035 if (pkgLite.recommendedInstallLocation 9036 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9037 pkgLite.recommendedInstallLocation 9038 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9039 } 9040 } 9041 } 9042 9043 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9044 int loc = pkgLite.recommendedInstallLocation; 9045 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9046 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9047 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9048 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9049 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9050 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9051 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9052 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9053 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9054 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9055 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9056 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9057 } else { 9058 // Override with defaults if needed. 9059 loc = installLocationPolicy(pkgLite); 9060 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9061 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9062 } else if (!onSd && !onInt) { 9063 // Override install location with flags 9064 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9065 // Set the flag to install on external media. 9066 installFlags |= PackageManager.INSTALL_EXTERNAL; 9067 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9068 } else { 9069 // Make sure the flag for installing on external 9070 // media is unset 9071 installFlags |= PackageManager.INSTALL_INTERNAL; 9072 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9073 } 9074 } 9075 } 9076 } 9077 9078 final InstallArgs args = createInstallArgs(this); 9079 mArgs = args; 9080 9081 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9082 /* 9083 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9084 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9085 */ 9086 int userIdentifier = getUser().getIdentifier(); 9087 if (userIdentifier == UserHandle.USER_ALL 9088 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9089 userIdentifier = UserHandle.USER_OWNER; 9090 } 9091 9092 /* 9093 * Determine if we have any installed package verifiers. If we 9094 * do, then we'll defer to them to verify the packages. 9095 */ 9096 final int requiredUid = mRequiredVerifierPackage == null ? -1 9097 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9098 if (!origin.existing && requiredUid != -1 9099 && isVerificationEnabled(userIdentifier, installFlags)) { 9100 final Intent verification = new Intent( 9101 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9102 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9103 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9104 PACKAGE_MIME_TYPE); 9105 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9106 9107 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9108 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9109 0 /* TODO: Which userId? */); 9110 9111 if (DEBUG_VERIFY) { 9112 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9113 + verification.toString() + " with " + pkgLite.verifiers.length 9114 + " optional verifiers"); 9115 } 9116 9117 final int verificationId = mPendingVerificationToken++; 9118 9119 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9120 9121 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9122 installerPackageName); 9123 9124 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9125 installFlags); 9126 9127 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9128 pkgLite.packageName); 9129 9130 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9131 pkgLite.versionCode); 9132 9133 if (verificationParams != null) { 9134 if (verificationParams.getVerificationURI() != null) { 9135 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9136 verificationParams.getVerificationURI()); 9137 } 9138 if (verificationParams.getOriginatingURI() != null) { 9139 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9140 verificationParams.getOriginatingURI()); 9141 } 9142 if (verificationParams.getReferrer() != null) { 9143 verification.putExtra(Intent.EXTRA_REFERRER, 9144 verificationParams.getReferrer()); 9145 } 9146 if (verificationParams.getOriginatingUid() >= 0) { 9147 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9148 verificationParams.getOriginatingUid()); 9149 } 9150 if (verificationParams.getInstallerUid() >= 0) { 9151 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9152 verificationParams.getInstallerUid()); 9153 } 9154 } 9155 9156 final PackageVerificationState verificationState = new PackageVerificationState( 9157 requiredUid, args); 9158 9159 mPendingVerification.append(verificationId, verificationState); 9160 9161 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9162 receivers, verificationState); 9163 9164 /* 9165 * If any sufficient verifiers were listed in the package 9166 * manifest, attempt to ask them. 9167 */ 9168 if (sufficientVerifiers != null) { 9169 final int N = sufficientVerifiers.size(); 9170 if (N == 0) { 9171 Slog.i(TAG, "Additional verifiers required, but none installed."); 9172 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9173 } else { 9174 for (int i = 0; i < N; i++) { 9175 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9176 9177 final Intent sufficientIntent = new Intent(verification); 9178 sufficientIntent.setComponent(verifierComponent); 9179 9180 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9181 } 9182 } 9183 } 9184 9185 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9186 mRequiredVerifierPackage, receivers); 9187 if (ret == PackageManager.INSTALL_SUCCEEDED 9188 && mRequiredVerifierPackage != null) { 9189 /* 9190 * Send the intent to the required verification agent, 9191 * but only start the verification timeout after the 9192 * target BroadcastReceivers have run. 9193 */ 9194 verification.setComponent(requiredVerifierComponent); 9195 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9196 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9197 new BroadcastReceiver() { 9198 @Override 9199 public void onReceive(Context context, Intent intent) { 9200 final Message msg = mHandler 9201 .obtainMessage(CHECK_PENDING_VERIFICATION); 9202 msg.arg1 = verificationId; 9203 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9204 } 9205 }, null, 0, null, null); 9206 9207 /* 9208 * We don't want the copy to proceed until verification 9209 * succeeds, so null out this field. 9210 */ 9211 mArgs = null; 9212 } 9213 } else { 9214 /* 9215 * No package verification is enabled, so immediately start 9216 * the remote call to initiate copy using temporary file. 9217 */ 9218 ret = args.copyApk(mContainerService, true); 9219 } 9220 } 9221 9222 mRet = ret; 9223 } 9224 9225 @Override 9226 void handleReturnCode() { 9227 // If mArgs is null, then MCS couldn't be reached. When it 9228 // reconnects, it will try again to install. At that point, this 9229 // will succeed. 9230 if (mArgs != null) { 9231 processPendingInstall(mArgs, mRet); 9232 } 9233 } 9234 9235 @Override 9236 void handleServiceError() { 9237 mArgs = createInstallArgs(this); 9238 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9239 } 9240 9241 public boolean isForwardLocked() { 9242 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9243 } 9244 } 9245 9246 /** 9247 * Used during creation of InstallArgs 9248 * 9249 * @param installFlags package installation flags 9250 * @return true if should be installed on external storage 9251 */ 9252 private static boolean installOnSd(int installFlags) { 9253 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9254 return false; 9255 } 9256 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9257 return true; 9258 } 9259 return false; 9260 } 9261 9262 /** 9263 * Used during creation of InstallArgs 9264 * 9265 * @param installFlags package installation flags 9266 * @return true if should be installed as forward locked 9267 */ 9268 private static boolean installForwardLocked(int installFlags) { 9269 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9270 } 9271 9272 private InstallArgs createInstallArgs(InstallParams params) { 9273 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9274 return new AsecInstallArgs(params); 9275 } else { 9276 return new FileInstallArgs(params); 9277 } 9278 } 9279 9280 /** 9281 * Create args that describe an existing installed package. Typically used 9282 * when cleaning up old installs, or used as a move source. 9283 */ 9284 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9285 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9286 final boolean isInAsec; 9287 if (installOnSd(installFlags)) { 9288 /* Apps on SD card are always in ASEC containers. */ 9289 isInAsec = true; 9290 } else if (installForwardLocked(installFlags) 9291 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9292 /* 9293 * Forward-locked apps are only in ASEC containers if they're the 9294 * new style 9295 */ 9296 isInAsec = true; 9297 } else { 9298 isInAsec = false; 9299 } 9300 9301 if (isInAsec) { 9302 return new AsecInstallArgs(codePath, instructionSets, 9303 installOnSd(installFlags), installForwardLocked(installFlags)); 9304 } else { 9305 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9306 instructionSets); 9307 } 9308 } 9309 9310 static abstract class InstallArgs { 9311 /** @see InstallParams#origin */ 9312 final OriginInfo origin; 9313 9314 final IPackageInstallObserver2 observer; 9315 // Always refers to PackageManager flags only 9316 final int installFlags; 9317 final String installerPackageName; 9318 final ManifestDigest manifestDigest; 9319 final UserHandle user; 9320 final String abiOverride; 9321 9322 // The list of instruction sets supported by this app. This is currently 9323 // only used during the rmdex() phase to clean up resources. We can get rid of this 9324 // if we move dex files under the common app path. 9325 /* nullable */ String[] instructionSets; 9326 9327 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9328 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9329 String[] instructionSets, String abiOverride) { 9330 this.origin = origin; 9331 this.installFlags = installFlags; 9332 this.observer = observer; 9333 this.installerPackageName = installerPackageName; 9334 this.manifestDigest = manifestDigest; 9335 this.user = user; 9336 this.instructionSets = instructionSets; 9337 this.abiOverride = abiOverride; 9338 } 9339 9340 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9341 abstract int doPreInstall(int status); 9342 9343 /** 9344 * Rename package into final resting place. All paths on the given 9345 * scanned package should be updated to reflect the rename. 9346 */ 9347 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9348 abstract int doPostInstall(int status, int uid); 9349 9350 /** @see PackageSettingBase#codePathString */ 9351 abstract String getCodePath(); 9352 /** @see PackageSettingBase#resourcePathString */ 9353 abstract String getResourcePath(); 9354 abstract String getLegacyNativeLibraryPath(); 9355 9356 // Need installer lock especially for dex file removal. 9357 abstract void cleanUpResourcesLI(); 9358 abstract boolean doPostDeleteLI(boolean delete); 9359 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9360 9361 /** 9362 * Called before the source arguments are copied. This is used mostly 9363 * for MoveParams when it needs to read the source file to put it in the 9364 * destination. 9365 */ 9366 int doPreCopy() { 9367 return PackageManager.INSTALL_SUCCEEDED; 9368 } 9369 9370 /** 9371 * Called after the source arguments are copied. This is used mostly for 9372 * MoveParams when it needs to read the source file to put it in the 9373 * destination. 9374 * 9375 * @return 9376 */ 9377 int doPostCopy(int uid) { 9378 return PackageManager.INSTALL_SUCCEEDED; 9379 } 9380 9381 protected boolean isFwdLocked() { 9382 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9383 } 9384 9385 protected boolean isExternal() { 9386 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9387 } 9388 9389 UserHandle getUser() { 9390 return user; 9391 } 9392 } 9393 9394 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9395 if (!allCodePaths.isEmpty()) { 9396 if (instructionSets == null) { 9397 throw new IllegalStateException("instructionSet == null"); 9398 } 9399 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9400 for (String codePath : allCodePaths) { 9401 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9402 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9403 if (retCode < 0) { 9404 Slog.w(TAG, "Couldn't remove dex file for package: " 9405 + " at location " + codePath + ", retcode=" + retCode); 9406 // we don't consider this to be a failure of the core package deletion 9407 } 9408 } 9409 } 9410 } 9411 } 9412 9413 /** 9414 * Logic to handle installation of non-ASEC applications, including copying 9415 * and renaming logic. 9416 */ 9417 class FileInstallArgs extends InstallArgs { 9418 private File codeFile; 9419 private File resourceFile; 9420 private File legacyNativeLibraryPath; 9421 9422 // Example topology: 9423 // /data/app/com.example/base.apk 9424 // /data/app/com.example/split_foo.apk 9425 // /data/app/com.example/lib/arm/libfoo.so 9426 // /data/app/com.example/lib/arm64/libfoo.so 9427 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9428 9429 /** New install */ 9430 FileInstallArgs(InstallParams params) { 9431 super(params.origin, params.observer, params.installFlags, 9432 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9433 null /* instruction sets */, params.packageAbiOverride); 9434 if (isFwdLocked()) { 9435 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9436 } 9437 } 9438 9439 /** Existing install */ 9440 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9441 String[] instructionSets) { 9442 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9443 this.codeFile = (codePath != null) ? new File(codePath) : null; 9444 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9445 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9446 new File(legacyNativeLibraryPath) : null; 9447 } 9448 9449 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9450 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9451 isFwdLocked(), abiOverride); 9452 9453 final StorageManager storage = StorageManager.from(mContext); 9454 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9455 } 9456 9457 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9458 if (origin.staged) { 9459 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9460 codeFile = origin.file; 9461 resourceFile = origin.file; 9462 return PackageManager.INSTALL_SUCCEEDED; 9463 } 9464 9465 try { 9466 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9467 codeFile = tempDir; 9468 resourceFile = tempDir; 9469 } catch (IOException e) { 9470 Slog.w(TAG, "Failed to create copy file: " + e); 9471 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9472 } 9473 9474 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9475 @Override 9476 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9477 if (!FileUtils.isValidExtFilename(name)) { 9478 throw new IllegalArgumentException("Invalid filename: " + name); 9479 } 9480 try { 9481 final File file = new File(codeFile, name); 9482 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9483 O_RDWR | O_CREAT, 0644); 9484 Os.chmod(file.getAbsolutePath(), 0644); 9485 return new ParcelFileDescriptor(fd); 9486 } catch (ErrnoException e) { 9487 throw new RemoteException("Failed to open: " + e.getMessage()); 9488 } 9489 } 9490 }; 9491 9492 int ret = PackageManager.INSTALL_SUCCEEDED; 9493 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9494 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9495 Slog.e(TAG, "Failed to copy package"); 9496 return ret; 9497 } 9498 9499 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9500 NativeLibraryHelper.Handle handle = null; 9501 try { 9502 handle = NativeLibraryHelper.Handle.create(codeFile); 9503 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9504 abiOverride); 9505 } catch (IOException e) { 9506 Slog.e(TAG, "Copying native libraries failed", e); 9507 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9508 } finally { 9509 IoUtils.closeQuietly(handle); 9510 } 9511 9512 return ret; 9513 } 9514 9515 int doPreInstall(int status) { 9516 if (status != PackageManager.INSTALL_SUCCEEDED) { 9517 cleanUp(); 9518 } 9519 return status; 9520 } 9521 9522 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9523 if (status != PackageManager.INSTALL_SUCCEEDED) { 9524 cleanUp(); 9525 return false; 9526 } else { 9527 final File beforeCodeFile = codeFile; 9528 final File afterCodeFile = getNextCodePath(pkg.packageName); 9529 9530 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9531 try { 9532 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9533 } catch (ErrnoException e) { 9534 Slog.d(TAG, "Failed to rename", e); 9535 return false; 9536 } 9537 9538 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9539 Slog.d(TAG, "Failed to restorecon"); 9540 return false; 9541 } 9542 9543 // Reflect the rename internally 9544 codeFile = afterCodeFile; 9545 resourceFile = afterCodeFile; 9546 9547 // Reflect the rename in scanned details 9548 pkg.codePath = afterCodeFile.getAbsolutePath(); 9549 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9550 pkg.baseCodePath); 9551 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9552 pkg.splitCodePaths); 9553 9554 // Reflect the rename in app info 9555 pkg.applicationInfo.setCodePath(pkg.codePath); 9556 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9557 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9558 pkg.applicationInfo.setResourcePath(pkg.codePath); 9559 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9560 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9561 9562 return true; 9563 } 9564 } 9565 9566 int doPostInstall(int status, int uid) { 9567 if (status != PackageManager.INSTALL_SUCCEEDED) { 9568 cleanUp(); 9569 } 9570 return status; 9571 } 9572 9573 @Override 9574 String getCodePath() { 9575 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9576 } 9577 9578 @Override 9579 String getResourcePath() { 9580 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9581 } 9582 9583 @Override 9584 String getLegacyNativeLibraryPath() { 9585 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9586 } 9587 9588 private boolean cleanUp() { 9589 if (codeFile == null || !codeFile.exists()) { 9590 return false; 9591 } 9592 9593 if (codeFile.isDirectory()) { 9594 FileUtils.deleteContents(codeFile); 9595 } 9596 codeFile.delete(); 9597 9598 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9599 resourceFile.delete(); 9600 } 9601 9602 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9603 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9604 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9605 } 9606 legacyNativeLibraryPath.delete(); 9607 } 9608 9609 return true; 9610 } 9611 9612 void cleanUpResourcesLI() { 9613 // Try enumerating all code paths before deleting 9614 List<String> allCodePaths = Collections.EMPTY_LIST; 9615 if (codeFile != null && codeFile.exists()) { 9616 try { 9617 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9618 allCodePaths = pkg.getAllCodePaths(); 9619 } catch (PackageParserException e) { 9620 // Ignored; we tried our best 9621 } 9622 } 9623 9624 cleanUp(); 9625 removeDexFiles(allCodePaths, instructionSets); 9626 } 9627 9628 boolean doPostDeleteLI(boolean delete) { 9629 // XXX err, shouldn't we respect the delete flag? 9630 cleanUpResourcesLI(); 9631 return true; 9632 } 9633 } 9634 9635 private boolean isAsecExternal(String cid) { 9636 final String asecPath = PackageHelper.getSdFilesystem(cid); 9637 return !asecPath.startsWith(mAsecInternalPath); 9638 } 9639 9640 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9641 PackageManagerException { 9642 if (copyRet < 0) { 9643 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9644 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9645 throw new PackageManagerException(copyRet, message); 9646 } 9647 } 9648 } 9649 9650 /** 9651 * Extract the MountService "container ID" from the full code path of an 9652 * .apk. 9653 */ 9654 static String cidFromCodePath(String fullCodePath) { 9655 int eidx = fullCodePath.lastIndexOf("/"); 9656 String subStr1 = fullCodePath.substring(0, eidx); 9657 int sidx = subStr1.lastIndexOf("/"); 9658 return subStr1.substring(sidx+1, eidx); 9659 } 9660 9661 /** 9662 * Logic to handle installation of ASEC applications, including copying and 9663 * renaming logic. 9664 */ 9665 class AsecInstallArgs extends InstallArgs { 9666 static final String RES_FILE_NAME = "pkg.apk"; 9667 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9668 9669 String cid; 9670 String packagePath; 9671 String resourcePath; 9672 String legacyNativeLibraryDir; 9673 9674 /** New install */ 9675 AsecInstallArgs(InstallParams params) { 9676 super(params.origin, params.observer, params.installFlags, 9677 params.installerPackageName, params.getManifestDigest(), 9678 params.getUser(), null /* instruction sets */, 9679 params.packageAbiOverride); 9680 } 9681 9682 /** Existing install */ 9683 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9684 boolean isExternal, boolean isForwardLocked) { 9685 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9686 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9687 instructionSets, null); 9688 // Hackily pretend we're still looking at a full code path 9689 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9690 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9691 } 9692 9693 // Extract cid from fullCodePath 9694 int eidx = fullCodePath.lastIndexOf("/"); 9695 String subStr1 = fullCodePath.substring(0, eidx); 9696 int sidx = subStr1.lastIndexOf("/"); 9697 cid = subStr1.substring(sidx+1, eidx); 9698 setMountPath(subStr1); 9699 } 9700 9701 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9702 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9703 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9704 instructionSets, null); 9705 this.cid = cid; 9706 setMountPath(PackageHelper.getSdDir(cid)); 9707 } 9708 9709 void createCopyFile() { 9710 cid = mInstallerService.allocateExternalStageCidLegacy(); 9711 } 9712 9713 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9714 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9715 abiOverride); 9716 9717 final File target; 9718 if (isExternal()) { 9719 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9720 } else { 9721 target = Environment.getDataDirectory(); 9722 } 9723 9724 final StorageManager storage = StorageManager.from(mContext); 9725 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9726 } 9727 9728 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9729 if (origin.staged) { 9730 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9731 cid = origin.cid; 9732 setMountPath(PackageHelper.getSdDir(cid)); 9733 return PackageManager.INSTALL_SUCCEEDED; 9734 } 9735 9736 if (temp) { 9737 createCopyFile(); 9738 } else { 9739 /* 9740 * Pre-emptively destroy the container since it's destroyed if 9741 * copying fails due to it existing anyway. 9742 */ 9743 PackageHelper.destroySdDir(cid); 9744 } 9745 9746 final String newMountPath = imcs.copyPackageToContainer( 9747 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9748 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9749 9750 if (newMountPath != null) { 9751 setMountPath(newMountPath); 9752 return PackageManager.INSTALL_SUCCEEDED; 9753 } else { 9754 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9755 } 9756 } 9757 9758 @Override 9759 String getCodePath() { 9760 return packagePath; 9761 } 9762 9763 @Override 9764 String getResourcePath() { 9765 return resourcePath; 9766 } 9767 9768 @Override 9769 String getLegacyNativeLibraryPath() { 9770 return legacyNativeLibraryDir; 9771 } 9772 9773 int doPreInstall(int status) { 9774 if (status != PackageManager.INSTALL_SUCCEEDED) { 9775 // Destroy container 9776 PackageHelper.destroySdDir(cid); 9777 } else { 9778 boolean mounted = PackageHelper.isContainerMounted(cid); 9779 if (!mounted) { 9780 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9781 Process.SYSTEM_UID); 9782 if (newMountPath != null) { 9783 setMountPath(newMountPath); 9784 } else { 9785 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9786 } 9787 } 9788 } 9789 return status; 9790 } 9791 9792 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9793 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9794 String newMountPath = null; 9795 if (PackageHelper.isContainerMounted(cid)) { 9796 // Unmount the container 9797 if (!PackageHelper.unMountSdDir(cid)) { 9798 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9799 return false; 9800 } 9801 } 9802 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9803 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9804 " which might be stale. Will try to clean up."); 9805 // Clean up the stale container and proceed to recreate. 9806 if (!PackageHelper.destroySdDir(newCacheId)) { 9807 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9808 return false; 9809 } 9810 // Successfully cleaned up stale container. Try to rename again. 9811 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9812 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9813 + " inspite of cleaning it up."); 9814 return false; 9815 } 9816 } 9817 if (!PackageHelper.isContainerMounted(newCacheId)) { 9818 Slog.w(TAG, "Mounting container " + newCacheId); 9819 newMountPath = PackageHelper.mountSdDir(newCacheId, 9820 getEncryptKey(), Process.SYSTEM_UID); 9821 } else { 9822 newMountPath = PackageHelper.getSdDir(newCacheId); 9823 } 9824 if (newMountPath == null) { 9825 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9826 return false; 9827 } 9828 Log.i(TAG, "Succesfully renamed " + cid + 9829 " to " + newCacheId + 9830 " at new path: " + newMountPath); 9831 cid = newCacheId; 9832 9833 final File beforeCodeFile = new File(packagePath); 9834 setMountPath(newMountPath); 9835 final File afterCodeFile = new File(packagePath); 9836 9837 // Reflect the rename in scanned details 9838 pkg.codePath = afterCodeFile.getAbsolutePath(); 9839 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9840 pkg.baseCodePath); 9841 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9842 pkg.splitCodePaths); 9843 9844 // Reflect the rename in app info 9845 pkg.applicationInfo.setCodePath(pkg.codePath); 9846 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9847 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9848 pkg.applicationInfo.setResourcePath(pkg.codePath); 9849 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9850 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9851 9852 return true; 9853 } 9854 9855 private void setMountPath(String mountPath) { 9856 final File mountFile = new File(mountPath); 9857 9858 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9859 if (monolithicFile.exists()) { 9860 packagePath = monolithicFile.getAbsolutePath(); 9861 if (isFwdLocked()) { 9862 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9863 } else { 9864 resourcePath = packagePath; 9865 } 9866 } else { 9867 packagePath = mountFile.getAbsolutePath(); 9868 resourcePath = packagePath; 9869 } 9870 9871 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9872 } 9873 9874 int doPostInstall(int status, int uid) { 9875 if (status != PackageManager.INSTALL_SUCCEEDED) { 9876 cleanUp(); 9877 } else { 9878 final int groupOwner; 9879 final String protectedFile; 9880 if (isFwdLocked()) { 9881 groupOwner = UserHandle.getSharedAppGid(uid); 9882 protectedFile = RES_FILE_NAME; 9883 } else { 9884 groupOwner = -1; 9885 protectedFile = null; 9886 } 9887 9888 if (uid < Process.FIRST_APPLICATION_UID 9889 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9890 Slog.e(TAG, "Failed to finalize " + cid); 9891 PackageHelper.destroySdDir(cid); 9892 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9893 } 9894 9895 boolean mounted = PackageHelper.isContainerMounted(cid); 9896 if (!mounted) { 9897 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9898 } 9899 } 9900 return status; 9901 } 9902 9903 private void cleanUp() { 9904 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9905 9906 // Destroy secure container 9907 PackageHelper.destroySdDir(cid); 9908 } 9909 9910 private List<String> getAllCodePaths() { 9911 final File codeFile = new File(getCodePath()); 9912 if (codeFile != null && codeFile.exists()) { 9913 try { 9914 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9915 return pkg.getAllCodePaths(); 9916 } catch (PackageParserException e) { 9917 // Ignored; we tried our best 9918 } 9919 } 9920 return Collections.EMPTY_LIST; 9921 } 9922 9923 void cleanUpResourcesLI() { 9924 // Enumerate all code paths before deleting 9925 cleanUpResourcesLI(getAllCodePaths()); 9926 } 9927 9928 private void cleanUpResourcesLI(List<String> allCodePaths) { 9929 cleanUp(); 9930 removeDexFiles(allCodePaths, instructionSets); 9931 } 9932 9933 9934 9935 String getPackageName() { 9936 return getAsecPackageName(cid); 9937 } 9938 9939 boolean doPostDeleteLI(boolean delete) { 9940 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9941 final List<String> allCodePaths = getAllCodePaths(); 9942 boolean mounted = PackageHelper.isContainerMounted(cid); 9943 if (mounted) { 9944 // Unmount first 9945 if (PackageHelper.unMountSdDir(cid)) { 9946 mounted = false; 9947 } 9948 } 9949 if (!mounted && delete) { 9950 cleanUpResourcesLI(allCodePaths); 9951 } 9952 return !mounted; 9953 } 9954 9955 @Override 9956 int doPreCopy() { 9957 if (isFwdLocked()) { 9958 if (!PackageHelper.fixSdPermissions(cid, 9959 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9960 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9961 } 9962 } 9963 9964 return PackageManager.INSTALL_SUCCEEDED; 9965 } 9966 9967 @Override 9968 int doPostCopy(int uid) { 9969 if (isFwdLocked()) { 9970 if (uid < Process.FIRST_APPLICATION_UID 9971 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9972 RES_FILE_NAME)) { 9973 Slog.e(TAG, "Failed to finalize " + cid); 9974 PackageHelper.destroySdDir(cid); 9975 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9976 } 9977 } 9978 9979 return PackageManager.INSTALL_SUCCEEDED; 9980 } 9981 } 9982 9983 static String getAsecPackageName(String packageCid) { 9984 int idx = packageCid.lastIndexOf("-"); 9985 if (idx == -1) { 9986 return packageCid; 9987 } 9988 return packageCid.substring(0, idx); 9989 } 9990 9991 // Utility method used to create code paths based on package name and available index. 9992 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9993 String idxStr = ""; 9994 int idx = 1; 9995 // Fall back to default value of idx=1 if prefix is not 9996 // part of oldCodePath 9997 if (oldCodePath != null) { 9998 String subStr = oldCodePath; 9999 // Drop the suffix right away 10000 if (suffix != null && subStr.endsWith(suffix)) { 10001 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10002 } 10003 // If oldCodePath already contains prefix find out the 10004 // ending index to either increment or decrement. 10005 int sidx = subStr.lastIndexOf(prefix); 10006 if (sidx != -1) { 10007 subStr = subStr.substring(sidx + prefix.length()); 10008 if (subStr != null) { 10009 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10010 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10011 } 10012 try { 10013 idx = Integer.parseInt(subStr); 10014 if (idx <= 1) { 10015 idx++; 10016 } else { 10017 idx--; 10018 } 10019 } catch(NumberFormatException e) { 10020 } 10021 } 10022 } 10023 } 10024 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10025 return prefix + idxStr; 10026 } 10027 10028 private File getNextCodePath(String packageName) { 10029 int suffix = 1; 10030 File result; 10031 do { 10032 result = new File(mAppInstallDir, packageName + "-" + suffix); 10033 suffix++; 10034 } while (result.exists()); 10035 return result; 10036 } 10037 10038 // Utility method used to ignore ADD/REMOVE events 10039 // by directory observer. 10040 private static boolean ignoreCodePath(String fullPathStr) { 10041 String apkName = deriveCodePathName(fullPathStr); 10042 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10043 if (idx != -1 && ((idx+1) < apkName.length())) { 10044 // Make sure the package ends with a numeral 10045 String version = apkName.substring(idx+1); 10046 try { 10047 Integer.parseInt(version); 10048 return true; 10049 } catch (NumberFormatException e) {} 10050 } 10051 return false; 10052 } 10053 10054 // Utility method that returns the relative package path with respect 10055 // to the installation directory. Like say for /data/data/com.test-1.apk 10056 // string com.test-1 is returned. 10057 static String deriveCodePathName(String codePath) { 10058 if (codePath == null) { 10059 return null; 10060 } 10061 final File codeFile = new File(codePath); 10062 final String name = codeFile.getName(); 10063 if (codeFile.isDirectory()) { 10064 return name; 10065 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10066 final int lastDot = name.lastIndexOf('.'); 10067 return name.substring(0, lastDot); 10068 } else { 10069 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10070 return null; 10071 } 10072 } 10073 10074 class PackageInstalledInfo { 10075 String name; 10076 int uid; 10077 // The set of users that originally had this package installed. 10078 int[] origUsers; 10079 // The set of users that now have this package installed. 10080 int[] newUsers; 10081 PackageParser.Package pkg; 10082 int returnCode; 10083 String returnMsg; 10084 PackageRemovedInfo removedInfo; 10085 10086 public void setError(int code, String msg) { 10087 returnCode = code; 10088 returnMsg = msg; 10089 Slog.w(TAG, msg); 10090 } 10091 10092 public void setError(String msg, PackageParserException e) { 10093 returnCode = e.error; 10094 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10095 Slog.w(TAG, msg, e); 10096 } 10097 10098 public void setError(String msg, PackageManagerException e) { 10099 returnCode = e.error; 10100 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10101 Slog.w(TAG, msg, e); 10102 } 10103 10104 // In some error cases we want to convey more info back to the observer 10105 String origPackage; 10106 String origPermission; 10107 } 10108 10109 /* 10110 * Install a non-existing package. 10111 */ 10112 private void installNewPackageLI(PackageParser.Package pkg, 10113 int parseFlags, int scanFlags, UserHandle user, 10114 String installerPackageName, PackageInstalledInfo res) { 10115 // Remember this for later, in case we need to rollback this install 10116 String pkgName = pkg.packageName; 10117 10118 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10119 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10120 synchronized(mPackages) { 10121 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10122 // A package with the same name is already installed, though 10123 // it has been renamed to an older name. The package we 10124 // are trying to install should be installed as an update to 10125 // the existing one, but that has not been requested, so bail. 10126 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10127 + " without first uninstalling package running as " 10128 + mSettings.mRenamedPackages.get(pkgName)); 10129 return; 10130 } 10131 if (mPackages.containsKey(pkgName)) { 10132 // Don't allow installation over an existing package with the same name. 10133 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10134 + " without first uninstalling."); 10135 return; 10136 } 10137 } 10138 10139 try { 10140 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10141 System.currentTimeMillis(), user); 10142 10143 updateSettingsLI(newPackage, installerPackageName, null, null, res, user); 10144 // delete the partially installed application. the data directory will have to be 10145 // restored if it was already existing 10146 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10147 // remove package from internal structures. Note that we want deletePackageX to 10148 // delete the package data and cache directories that it created in 10149 // scanPackageLocked, unless those directories existed before we even tried to 10150 // install. 10151 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10152 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10153 res.removedInfo, true); 10154 } 10155 10156 } catch (PackageManagerException e) { 10157 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10158 } 10159 } 10160 10161 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10162 // Upgrade keysets are being used. Determine if new package has a superset of the 10163 // required keys. 10164 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10165 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10166 for (int i = 0; i < upgradeKeySets.length; i++) { 10167 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10168 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10169 return true; 10170 } 10171 } 10172 return false; 10173 } 10174 10175 private void replacePackageLI(PackageParser.Package pkg, 10176 int parseFlags, int scanFlags, UserHandle user, 10177 String installerPackageName, PackageInstalledInfo res) { 10178 PackageParser.Package oldPackage; 10179 String pkgName = pkg.packageName; 10180 int[] allUsers; 10181 boolean[] perUserInstalled; 10182 10183 // First find the old package info and check signatures 10184 synchronized(mPackages) { 10185 oldPackage = mPackages.get(pkgName); 10186 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10187 PackageSetting ps = mSettings.mPackages.get(pkgName); 10188 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10189 // default to original signature matching 10190 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10191 != PackageManager.SIGNATURE_MATCH) { 10192 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10193 "New package has a different signature: " + pkgName); 10194 return; 10195 } 10196 } else { 10197 if(!checkUpgradeKeySetLP(ps, pkg)) { 10198 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10199 "New package not signed by keys specified by upgrade-keysets: " 10200 + pkgName); 10201 return; 10202 } 10203 } 10204 10205 // In case of rollback, remember per-user/profile install state 10206 allUsers = sUserManager.getUserIds(); 10207 perUserInstalled = new boolean[allUsers.length]; 10208 for (int i = 0; i < allUsers.length; i++) { 10209 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10210 } 10211 } 10212 10213 boolean sysPkg = (isSystemApp(oldPackage)); 10214 if (sysPkg) { 10215 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10216 user, allUsers, perUserInstalled, installerPackageName, res); 10217 } else { 10218 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10219 user, allUsers, perUserInstalled, installerPackageName, res); 10220 } 10221 } 10222 10223 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10224 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10225 int[] allUsers, boolean[] perUserInstalled, 10226 String installerPackageName, PackageInstalledInfo res) { 10227 String pkgName = deletedPackage.packageName; 10228 boolean deletedPkg = true; 10229 boolean updatedSettings = false; 10230 10231 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10232 + deletedPackage); 10233 long origUpdateTime; 10234 if (pkg.mExtras != null) { 10235 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10236 } else { 10237 origUpdateTime = 0; 10238 } 10239 10240 // First delete the existing package while retaining the data directory 10241 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10242 res.removedInfo, true)) { 10243 // If the existing package wasn't successfully deleted 10244 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10245 deletedPkg = false; 10246 } else { 10247 // Successfully deleted the old package; proceed with replace. 10248 10249 // If deleted package lived in a container, give users a chance to 10250 // relinquish resources before killing. 10251 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10252 if (DEBUG_INSTALL) { 10253 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10254 } 10255 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10256 final ArrayList<String> pkgList = new ArrayList<String>(1); 10257 pkgList.add(deletedPackage.applicationInfo.packageName); 10258 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10259 } 10260 10261 deleteCodeCacheDirsLI(pkgName); 10262 try { 10263 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10264 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10265 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10266 user); 10267 updatedSettings = true; 10268 } catch (PackageManagerException e) { 10269 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10270 } 10271 } 10272 10273 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10274 // remove package from internal structures. Note that we want deletePackageX to 10275 // delete the package data and cache directories that it created in 10276 // scanPackageLocked, unless those directories existed before we even tried to 10277 // install. 10278 if(updatedSettings) { 10279 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10280 deletePackageLI( 10281 pkgName, null, true, allUsers, perUserInstalled, 10282 PackageManager.DELETE_KEEP_DATA, 10283 res.removedInfo, true); 10284 } 10285 // Since we failed to install the new package we need to restore the old 10286 // package that we deleted. 10287 if (deletedPkg) { 10288 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10289 File restoreFile = new File(deletedPackage.codePath); 10290 // Parse old package 10291 boolean oldOnSd = isExternal(deletedPackage); 10292 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10293 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10294 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10295 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10296 try { 10297 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10298 } catch (PackageManagerException e) { 10299 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10300 + e.getMessage()); 10301 return; 10302 } 10303 // Restore of old package succeeded. Update permissions. 10304 // writer 10305 synchronized (mPackages) { 10306 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10307 UPDATE_PERMISSIONS_ALL); 10308 // can downgrade to reader 10309 mSettings.writeLPr(); 10310 } 10311 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10312 } 10313 } 10314 } 10315 10316 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10317 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10318 int[] allUsers, boolean[] perUserInstalled, 10319 String installerPackageName, PackageInstalledInfo res) { 10320 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10321 + ", old=" + deletedPackage); 10322 boolean disabledSystem = false; 10323 boolean updatedSettings = false; 10324 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10325 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10326 != 0) { 10327 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10328 } 10329 String packageName = deletedPackage.packageName; 10330 if (packageName == null) { 10331 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10332 "Attempt to delete null packageName."); 10333 return; 10334 } 10335 PackageParser.Package oldPkg; 10336 PackageSetting oldPkgSetting; 10337 // reader 10338 synchronized (mPackages) { 10339 oldPkg = mPackages.get(packageName); 10340 oldPkgSetting = mSettings.mPackages.get(packageName); 10341 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10342 (oldPkgSetting == null)) { 10343 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10344 "Couldn't find package:" + packageName + " information"); 10345 return; 10346 } 10347 } 10348 10349 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10350 10351 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10352 res.removedInfo.removedPackage = packageName; 10353 // Remove existing system package 10354 removePackageLI(oldPkgSetting, true); 10355 // writer 10356 synchronized (mPackages) { 10357 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10358 if (!disabledSystem && deletedPackage != null) { 10359 // We didn't need to disable the .apk as a current system package, 10360 // which means we are replacing another update that is already 10361 // installed. We need to make sure to delete the older one's .apk. 10362 res.removedInfo.args = createInstallArgsForExisting(0, 10363 deletedPackage.applicationInfo.getCodePath(), 10364 deletedPackage.applicationInfo.getResourcePath(), 10365 deletedPackage.applicationInfo.nativeLibraryRootDir, 10366 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10367 } else { 10368 res.removedInfo.args = null; 10369 } 10370 } 10371 10372 // Successfully disabled the old package. Now proceed with re-installation 10373 deleteCodeCacheDirsLI(packageName); 10374 10375 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10376 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10377 10378 PackageParser.Package newPackage = null; 10379 try { 10380 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10381 if (newPackage.mExtras != null) { 10382 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10383 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10384 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10385 10386 // is the update attempting to change shared user? that isn't going to work... 10387 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10388 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10389 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10390 + " to " + newPkgSetting.sharedUser); 10391 updatedSettings = true; 10392 } 10393 } 10394 10395 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10396 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10397 user); 10398 updatedSettings = true; 10399 } 10400 10401 } catch (PackageManagerException e) { 10402 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10403 } 10404 10405 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10406 // Re installation failed. Restore old information 10407 // Remove new pkg information 10408 if (newPackage != null) { 10409 removeInstalledPackageLI(newPackage, true); 10410 } 10411 // Add back the old system package 10412 try { 10413 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10414 } catch (PackageManagerException e) { 10415 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10416 } 10417 // Restore the old system information in Settings 10418 synchronized (mPackages) { 10419 if (disabledSystem) { 10420 mSettings.enableSystemPackageLPw(packageName); 10421 } 10422 if (updatedSettings) { 10423 mSettings.setInstallerPackageName(packageName, 10424 oldPkgSetting.installerPackageName); 10425 } 10426 mSettings.writeLPr(); 10427 } 10428 } 10429 } 10430 10431 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10432 int[] allUsers, boolean[] perUserInstalled, 10433 PackageInstalledInfo res, UserHandle user) { 10434 String pkgName = newPackage.packageName; 10435 synchronized (mPackages) { 10436 //write settings. the installStatus will be incomplete at this stage. 10437 //note that the new package setting would have already been 10438 //added to mPackages. It hasn't been persisted yet. 10439 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10440 mSettings.writeLPr(); 10441 } 10442 10443 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10444 10445 synchronized (mPackages) { 10446 updatePermissionsLPw(newPackage.packageName, newPackage, 10447 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10448 ? UPDATE_PERMISSIONS_ALL : 0)); 10449 // For system-bundled packages, we assume that installing an upgraded version 10450 // of the package implies that the user actually wants to run that new code, 10451 // so we enable the package. 10452 PackageSetting ps = mSettings.mPackages.get(pkgName); 10453 if (ps != null) { 10454 if (isSystemApp(newPackage)) { 10455 // NB: implicit assumption that system package upgrades apply to all users 10456 if (DEBUG_INSTALL) { 10457 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10458 } 10459 if (res.origUsers != null) { 10460 for (int userHandle : res.origUsers) { 10461 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10462 userHandle, installerPackageName); 10463 } 10464 } 10465 // Also convey the prior install/uninstall state 10466 if (allUsers != null && perUserInstalled != null) { 10467 for (int i = 0; i < allUsers.length; i++) { 10468 if (DEBUG_INSTALL) { 10469 Slog.d(TAG, " user " + allUsers[i] 10470 + " => " + perUserInstalled[i]); 10471 } 10472 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10473 } 10474 // these install state changes will be persisted in the 10475 // upcoming call to mSettings.writeLPr(). 10476 } 10477 } 10478 // It's implied that when a user requests installation, they want the app to be 10479 // installed and enabled. 10480 int userId = user.getIdentifier(); 10481 if (userId != UserHandle.USER_ALL) { 10482 ps.setInstalled(true, userId); 10483 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 10484 } 10485 } 10486 res.name = pkgName; 10487 res.uid = newPackage.applicationInfo.uid; 10488 res.pkg = newPackage; 10489 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10490 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10491 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10492 //to update install status 10493 mSettings.writeLPr(); 10494 } 10495 } 10496 10497 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10498 final int installFlags = args.installFlags; 10499 String installerPackageName = args.installerPackageName; 10500 File tmpPackageFile = new File(args.getCodePath()); 10501 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10502 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10503 boolean replace = false; 10504 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10505 // Result object to be returned 10506 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10507 10508 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10509 // Retrieve PackageSettings and parse package 10510 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10511 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10512 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10513 PackageParser pp = new PackageParser(); 10514 pp.setSeparateProcesses(mSeparateProcesses); 10515 pp.setDisplayMetrics(mMetrics); 10516 10517 final PackageParser.Package pkg; 10518 try { 10519 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10520 } catch (PackageParserException e) { 10521 res.setError("Failed parse during installPackageLI", e); 10522 return; 10523 } 10524 10525 // Mark that we have an install time CPU ABI override. 10526 pkg.cpuAbiOverride = args.abiOverride; 10527 10528 String pkgName = res.name = pkg.packageName; 10529 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10530 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10531 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10532 return; 10533 } 10534 } 10535 10536 try { 10537 pp.collectCertificates(pkg, parseFlags); 10538 pp.collectManifestDigest(pkg); 10539 } catch (PackageParserException e) { 10540 res.setError("Failed collect during installPackageLI", e); 10541 return; 10542 } 10543 10544 /* If the installer passed in a manifest digest, compare it now. */ 10545 if (args.manifestDigest != null) { 10546 if (DEBUG_INSTALL) { 10547 final String parsedManifest = pkg.manifestDigest == null ? "null" 10548 : pkg.manifestDigest.toString(); 10549 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10550 + parsedManifest); 10551 } 10552 10553 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10554 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10555 return; 10556 } 10557 } else if (DEBUG_INSTALL) { 10558 final String parsedManifest = pkg.manifestDigest == null 10559 ? "null" : pkg.manifestDigest.toString(); 10560 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10561 } 10562 10563 // Get rid of all references to package scan path via parser. 10564 pp = null; 10565 String oldCodePath = null; 10566 boolean systemApp = false; 10567 synchronized (mPackages) { 10568 // Check if installing already existing package 10569 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10570 String oldName = mSettings.mRenamedPackages.get(pkgName); 10571 if (pkg.mOriginalPackages != null 10572 && pkg.mOriginalPackages.contains(oldName) 10573 && mPackages.containsKey(oldName)) { 10574 // This package is derived from an original package, 10575 // and this device has been updating from that original 10576 // name. We must continue using the original name, so 10577 // rename the new package here. 10578 pkg.setPackageName(oldName); 10579 pkgName = pkg.packageName; 10580 replace = true; 10581 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10582 + oldName + " pkgName=" + pkgName); 10583 } else if (mPackages.containsKey(pkgName)) { 10584 // This package, under its official name, already exists 10585 // on the device; we should replace it. 10586 replace = true; 10587 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10588 } 10589 } 10590 10591 PackageSetting ps = mSettings.mPackages.get(pkgName); 10592 if (ps != null) { 10593 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10594 10595 // Quick sanity check that we're signed correctly if updating; 10596 // we'll check this again later when scanning, but we want to 10597 // bail early here before tripping over redefined permissions. 10598 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10599 try { 10600 verifySignaturesLP(ps, pkg); 10601 } catch (PackageManagerException e) { 10602 res.setError(e.error, e.getMessage()); 10603 return; 10604 } 10605 } else { 10606 if (!checkUpgradeKeySetLP(ps, pkg)) { 10607 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10608 + pkg.packageName + " upgrade keys do not match the " 10609 + "previously installed version"); 10610 return; 10611 } 10612 } 10613 10614 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10615 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10616 systemApp = (ps.pkg.applicationInfo.flags & 10617 ApplicationInfo.FLAG_SYSTEM) != 0; 10618 } 10619 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10620 } 10621 10622 // Check whether the newly-scanned package wants to define an already-defined perm 10623 int N = pkg.permissions.size(); 10624 for (int i = N-1; i >= 0; i--) { 10625 PackageParser.Permission perm = pkg.permissions.get(i); 10626 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10627 if (bp != null) { 10628 // If the defining package is signed with our cert, it's okay. This 10629 // also includes the "updating the same package" case, of course. 10630 // "updating same package" could also involve key-rotation. 10631 final boolean sigsOk; 10632 if (!bp.sourcePackage.equals(pkg.packageName) 10633 || !(bp.packageSetting instanceof PackageSetting) 10634 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10635 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10636 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10637 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10638 } else { 10639 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10640 } 10641 if (!sigsOk) { 10642 // If the owning package is the system itself, we log but allow 10643 // install to proceed; we fail the install on all other permission 10644 // redefinitions. 10645 if (!bp.sourcePackage.equals("android")) { 10646 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10647 + pkg.packageName + " attempting to redeclare permission " 10648 + perm.info.name + " already owned by " + bp.sourcePackage); 10649 res.origPermission = perm.info.name; 10650 res.origPackage = bp.sourcePackage; 10651 return; 10652 } else { 10653 Slog.w(TAG, "Package " + pkg.packageName 10654 + " attempting to redeclare system permission " 10655 + perm.info.name + "; ignoring new declaration"); 10656 pkg.permissions.remove(i); 10657 } 10658 } 10659 } 10660 } 10661 10662 } 10663 10664 if (systemApp && onSd) { 10665 // Disable updates to system apps on sdcard 10666 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10667 "Cannot install updates to system apps on sdcard"); 10668 return; 10669 } 10670 10671 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10672 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10673 return; 10674 } 10675 10676 if (replace) { 10677 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10678 installerPackageName, res); 10679 } else { 10680 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10681 args.user, installerPackageName, res); 10682 } 10683 synchronized (mPackages) { 10684 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10685 if (ps != null) { 10686 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10687 } 10688 } 10689 } 10690 10691 private static boolean isMultiArch(PackageSetting ps) { 10692 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10693 } 10694 10695 private static boolean isMultiArch(ApplicationInfo info) { 10696 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10697 } 10698 10699 private static boolean isExternal(PackageParser.Package pkg) { 10700 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10701 } 10702 10703 private static boolean isExternal(PackageSetting ps) { 10704 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10705 } 10706 10707 private static boolean isExternal(ApplicationInfo info) { 10708 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10709 } 10710 10711 private static boolean isSystemApp(PackageParser.Package pkg) { 10712 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10713 } 10714 10715 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10716 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10717 } 10718 10719 private static boolean isSystemApp(ApplicationInfo info) { 10720 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10721 } 10722 10723 private static boolean isSystemApp(PackageSetting ps) { 10724 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10725 } 10726 10727 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10728 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10729 } 10730 10731 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10732 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10733 } 10734 10735 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10736 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10737 } 10738 10739 private int packageFlagsToInstallFlags(PackageSetting ps) { 10740 int installFlags = 0; 10741 if (isExternal(ps)) { 10742 installFlags |= PackageManager.INSTALL_EXTERNAL; 10743 } 10744 if (ps.isForwardLocked()) { 10745 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10746 } 10747 return installFlags; 10748 } 10749 10750 private void deleteTempPackageFiles() { 10751 final FilenameFilter filter = new FilenameFilter() { 10752 public boolean accept(File dir, String name) { 10753 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10754 } 10755 }; 10756 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10757 file.delete(); 10758 } 10759 } 10760 10761 @Override 10762 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10763 int flags) { 10764 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10765 flags); 10766 } 10767 10768 @Override 10769 public void deletePackage(final String packageName, 10770 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10771 mContext.enforceCallingOrSelfPermission( 10772 android.Manifest.permission.DELETE_PACKAGES, null); 10773 final int uid = Binder.getCallingUid(); 10774 if (UserHandle.getUserId(uid) != userId) { 10775 mContext.enforceCallingPermission( 10776 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10777 "deletePackage for user " + userId); 10778 } 10779 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10780 try { 10781 observer.onPackageDeleted(packageName, 10782 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10783 } catch (RemoteException re) { 10784 } 10785 return; 10786 } 10787 10788 boolean uninstallBlocked = false; 10789 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10790 int[] users = sUserManager.getUserIds(); 10791 for (int i = 0; i < users.length; ++i) { 10792 if (getBlockUninstallForUser(packageName, users[i])) { 10793 uninstallBlocked = true; 10794 break; 10795 } 10796 } 10797 } else { 10798 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10799 } 10800 if (uninstallBlocked) { 10801 try { 10802 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10803 null); 10804 } catch (RemoteException re) { 10805 } 10806 return; 10807 } 10808 10809 if (DEBUG_REMOVE) { 10810 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10811 } 10812 // Queue up an async operation since the package deletion may take a little while. 10813 mHandler.post(new Runnable() { 10814 public void run() { 10815 mHandler.removeCallbacks(this); 10816 final int returnCode = deletePackageX(packageName, userId, flags); 10817 if (observer != null) { 10818 try { 10819 observer.onPackageDeleted(packageName, returnCode, null); 10820 } catch (RemoteException e) { 10821 Log.i(TAG, "Observer no longer exists."); 10822 } //end catch 10823 } //end if 10824 } //end run 10825 }); 10826 } 10827 10828 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10829 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10830 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10831 try { 10832 if (dpm != null) { 10833 if (dpm.isDeviceOwner(packageName)) { 10834 return true; 10835 } 10836 int[] users; 10837 if (userId == UserHandle.USER_ALL) { 10838 users = sUserManager.getUserIds(); 10839 } else { 10840 users = new int[]{userId}; 10841 } 10842 for (int i = 0; i < users.length; ++i) { 10843 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10844 return true; 10845 } 10846 } 10847 } 10848 } catch (RemoteException e) { 10849 } 10850 return false; 10851 } 10852 10853 /** 10854 * This method is an internal method that could be get invoked either 10855 * to delete an installed package or to clean up a failed installation. 10856 * After deleting an installed package, a broadcast is sent to notify any 10857 * listeners that the package has been installed. For cleaning up a failed 10858 * installation, the broadcast is not necessary since the package's 10859 * installation wouldn't have sent the initial broadcast either 10860 * The key steps in deleting a package are 10861 * deleting the package information in internal structures like mPackages, 10862 * deleting the packages base directories through installd 10863 * updating mSettings to reflect current status 10864 * persisting settings for later use 10865 * sending a broadcast if necessary 10866 */ 10867 private int deletePackageX(String packageName, int userId, int flags) { 10868 final PackageRemovedInfo info = new PackageRemovedInfo(); 10869 final boolean res; 10870 10871 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10872 ? UserHandle.ALL : new UserHandle(userId); 10873 10874 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10875 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10876 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10877 } 10878 10879 boolean removedForAllUsers = false; 10880 boolean systemUpdate = false; 10881 10882 // for the uninstall-updates case and restricted profiles, remember the per- 10883 // userhandle installed state 10884 int[] allUsers; 10885 boolean[] perUserInstalled; 10886 synchronized (mPackages) { 10887 PackageSetting ps = mSettings.mPackages.get(packageName); 10888 allUsers = sUserManager.getUserIds(); 10889 perUserInstalled = new boolean[allUsers.length]; 10890 for (int i = 0; i < allUsers.length; i++) { 10891 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10892 } 10893 } 10894 10895 synchronized (mInstallLock) { 10896 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10897 res = deletePackageLI(packageName, removeForUser, 10898 true, allUsers, perUserInstalled, 10899 flags | REMOVE_CHATTY, info, true); 10900 systemUpdate = info.isRemovedPackageSystemUpdate; 10901 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10902 removedForAllUsers = true; 10903 } 10904 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10905 + " removedForAllUsers=" + removedForAllUsers); 10906 } 10907 10908 if (res) { 10909 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10910 10911 // If the removed package was a system update, the old system package 10912 // was re-enabled; we need to broadcast this information 10913 if (systemUpdate) { 10914 Bundle extras = new Bundle(1); 10915 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10916 ? info.removedAppId : info.uid); 10917 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10918 10919 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10920 extras, null, null, null); 10921 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10922 extras, null, null, null); 10923 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10924 null, packageName, null, null); 10925 } 10926 } 10927 // Force a gc here. 10928 Runtime.getRuntime().gc(); 10929 // Delete the resources here after sending the broadcast to let 10930 // other processes clean up before deleting resources. 10931 if (info.args != null) { 10932 synchronized (mInstallLock) { 10933 info.args.doPostDeleteLI(true); 10934 } 10935 } 10936 10937 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10938 } 10939 10940 static class PackageRemovedInfo { 10941 String removedPackage; 10942 int uid = -1; 10943 int removedAppId = -1; 10944 int[] removedUsers = null; 10945 boolean isRemovedPackageSystemUpdate = false; 10946 // Clean up resources deleted packages. 10947 InstallArgs args = null; 10948 10949 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10950 Bundle extras = new Bundle(1); 10951 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10952 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10953 if (replacing) { 10954 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10955 } 10956 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10957 if (removedPackage != null) { 10958 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10959 extras, null, null, removedUsers); 10960 if (fullRemove && !replacing) { 10961 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10962 extras, null, null, removedUsers); 10963 } 10964 } 10965 if (removedAppId >= 0) { 10966 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10967 removedUsers); 10968 } 10969 } 10970 } 10971 10972 /* 10973 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10974 * flag is not set, the data directory is removed as well. 10975 * make sure this flag is set for partially installed apps. If not its meaningless to 10976 * delete a partially installed application. 10977 */ 10978 private void removePackageDataLI(PackageSetting ps, 10979 int[] allUserHandles, boolean[] perUserInstalled, 10980 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10981 String packageName = ps.name; 10982 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10983 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10984 // Retrieve object to delete permissions for shared user later on 10985 final PackageSetting deletedPs; 10986 // reader 10987 synchronized (mPackages) { 10988 deletedPs = mSettings.mPackages.get(packageName); 10989 if (outInfo != null) { 10990 outInfo.removedPackage = packageName; 10991 outInfo.removedUsers = deletedPs != null 10992 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10993 : null; 10994 } 10995 } 10996 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10997 removeDataDirsLI(packageName); 10998 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10999 } 11000 // writer 11001 synchronized (mPackages) { 11002 if (deletedPs != null) { 11003 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11004 if (outInfo != null) { 11005 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11006 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11007 } 11008 updatePermissionsLPw(deletedPs.name, null, 0); 11009 if (deletedPs.sharedUser != null) { 11010 // Remove permissions associated with package. Since runtime 11011 // permissions are per user we have to kill the removed package 11012 // or packages running under the shared user of the removed 11013 // package if revoking the permissions requested only by the removed 11014 // package is successful and this causes a change in gids. 11015 for (int userId : UserManagerService.getInstance().getUserIds()) { 11016 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 11017 userId); 11018 if (userIdToKill == userId) { 11019 // If gids changed for this user, kill all affected packages. 11020 killSettingPackagesForUser(deletedPs, userIdToKill, 11021 KILL_APP_REASON_GIDS_CHANGED); 11022 } else if (userIdToKill == UserHandle.USER_ALL) { 11023 // If gids changed for all users, kill them all - done. 11024 killSettingPackagesForUser(deletedPs, userIdToKill, 11025 KILL_APP_REASON_GIDS_CHANGED); 11026 break; 11027 } 11028 } 11029 } 11030 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11031 } 11032 // make sure to preserve per-user disabled state if this removal was just 11033 // a downgrade of a system app to the factory package 11034 if (allUserHandles != null && perUserInstalled != null) { 11035 if (DEBUG_REMOVE) { 11036 Slog.d(TAG, "Propagating install state across downgrade"); 11037 } 11038 for (int i = 0; i < allUserHandles.length; i++) { 11039 if (DEBUG_REMOVE) { 11040 Slog.d(TAG, " user " + allUserHandles[i] 11041 + " => " + perUserInstalled[i]); 11042 } 11043 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11044 } 11045 } 11046 } 11047 // can downgrade to reader 11048 if (writeSettings) { 11049 // Save settings now 11050 mSettings.writeLPr(); 11051 } 11052 } 11053 if (outInfo != null) { 11054 // A user ID was deleted here. Go through all users and remove it 11055 // from KeyStore. 11056 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11057 } 11058 } 11059 11060 static boolean locationIsPrivileged(File path) { 11061 try { 11062 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11063 .getCanonicalPath(); 11064 return path.getCanonicalPath().startsWith(privilegedAppDir); 11065 } catch (IOException e) { 11066 Slog.e(TAG, "Unable to access code path " + path); 11067 } 11068 return false; 11069 } 11070 11071 /* 11072 * Tries to delete system package. 11073 */ 11074 private boolean deleteSystemPackageLI(PackageSetting newPs, 11075 int[] allUserHandles, boolean[] perUserInstalled, 11076 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11077 final boolean applyUserRestrictions 11078 = (allUserHandles != null) && (perUserInstalled != null); 11079 PackageSetting disabledPs = null; 11080 // Confirm if the system package has been updated 11081 // An updated system app can be deleted. This will also have to restore 11082 // the system pkg from system partition 11083 // reader 11084 synchronized (mPackages) { 11085 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11086 } 11087 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11088 + " disabledPs=" + disabledPs); 11089 if (disabledPs == null) { 11090 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11091 return false; 11092 } else if (DEBUG_REMOVE) { 11093 Slog.d(TAG, "Deleting system pkg from data partition"); 11094 } 11095 if (DEBUG_REMOVE) { 11096 if (applyUserRestrictions) { 11097 Slog.d(TAG, "Remembering install states:"); 11098 for (int i = 0; i < allUserHandles.length; i++) { 11099 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11100 } 11101 } 11102 } 11103 // Delete the updated package 11104 outInfo.isRemovedPackageSystemUpdate = true; 11105 if (disabledPs.versionCode < newPs.versionCode) { 11106 // Delete data for downgrades 11107 flags &= ~PackageManager.DELETE_KEEP_DATA; 11108 } else { 11109 // Preserve data by setting flag 11110 flags |= PackageManager.DELETE_KEEP_DATA; 11111 } 11112 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11113 allUserHandles, perUserInstalled, outInfo, writeSettings); 11114 if (!ret) { 11115 return false; 11116 } 11117 // writer 11118 synchronized (mPackages) { 11119 // Reinstate the old system package 11120 mSettings.enableSystemPackageLPw(newPs.name); 11121 // Remove any native libraries from the upgraded package. 11122 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11123 } 11124 // Install the system package 11125 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11126 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11127 if (locationIsPrivileged(disabledPs.codePath)) { 11128 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11129 } 11130 11131 final PackageParser.Package newPkg; 11132 try { 11133 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11134 } catch (PackageManagerException e) { 11135 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11136 return false; 11137 } 11138 11139 // writer 11140 synchronized (mPackages) { 11141 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11142 updatePermissionsLPw(newPkg.packageName, newPkg, 11143 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11144 if (applyUserRestrictions) { 11145 if (DEBUG_REMOVE) { 11146 Slog.d(TAG, "Propagating install state across reinstall"); 11147 } 11148 for (int i = 0; i < allUserHandles.length; i++) { 11149 if (DEBUG_REMOVE) { 11150 Slog.d(TAG, " user " + allUserHandles[i] 11151 + " => " + perUserInstalled[i]); 11152 } 11153 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11154 } 11155 // Regardless of writeSettings we need to ensure that this restriction 11156 // state propagation is persisted 11157 mSettings.writeAllUsersPackageRestrictionsLPr(); 11158 } 11159 // can downgrade to reader here 11160 if (writeSettings) { 11161 mSettings.writeLPr(); 11162 } 11163 } 11164 return true; 11165 } 11166 11167 private boolean deleteInstalledPackageLI(PackageSetting ps, 11168 boolean deleteCodeAndResources, int flags, 11169 int[] allUserHandles, boolean[] perUserInstalled, 11170 PackageRemovedInfo outInfo, boolean writeSettings) { 11171 if (outInfo != null) { 11172 outInfo.uid = ps.appId; 11173 } 11174 11175 // Delete package data from internal structures and also remove data if flag is set 11176 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11177 11178 // Delete application code and resources 11179 if (deleteCodeAndResources && (outInfo != null)) { 11180 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11181 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11182 getAppDexInstructionSets(ps)); 11183 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11184 } 11185 return true; 11186 } 11187 11188 @Override 11189 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11190 int userId) { 11191 mContext.enforceCallingOrSelfPermission( 11192 android.Manifest.permission.DELETE_PACKAGES, null); 11193 synchronized (mPackages) { 11194 PackageSetting ps = mSettings.mPackages.get(packageName); 11195 if (ps == null) { 11196 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11197 return false; 11198 } 11199 if (!ps.getInstalled(userId)) { 11200 // Can't block uninstall for an app that is not installed or enabled. 11201 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11202 return false; 11203 } 11204 ps.setBlockUninstall(blockUninstall, userId); 11205 mSettings.writePackageRestrictionsLPr(userId); 11206 } 11207 return true; 11208 } 11209 11210 @Override 11211 public boolean getBlockUninstallForUser(String packageName, int userId) { 11212 synchronized (mPackages) { 11213 PackageSetting ps = mSettings.mPackages.get(packageName); 11214 if (ps == null) { 11215 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11216 return false; 11217 } 11218 return ps.getBlockUninstall(userId); 11219 } 11220 } 11221 11222 /* 11223 * This method handles package deletion in general 11224 */ 11225 private boolean deletePackageLI(String packageName, UserHandle user, 11226 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11227 int flags, PackageRemovedInfo outInfo, 11228 boolean writeSettings) { 11229 if (packageName == null) { 11230 Slog.w(TAG, "Attempt to delete null packageName."); 11231 return false; 11232 } 11233 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11234 PackageSetting ps; 11235 boolean dataOnly = false; 11236 int removeUser = -1; 11237 int appId = -1; 11238 synchronized (mPackages) { 11239 ps = mSettings.mPackages.get(packageName); 11240 if (ps == null) { 11241 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11242 return false; 11243 } 11244 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11245 && user.getIdentifier() != UserHandle.USER_ALL) { 11246 // The caller is asking that the package only be deleted for a single 11247 // user. To do this, we just mark its uninstalled state and delete 11248 // its data. If this is a system app, we only allow this to happen if 11249 // they have set the special DELETE_SYSTEM_APP which requests different 11250 // semantics than normal for uninstalling system apps. 11251 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11252 ps.setUserState(user.getIdentifier(), 11253 COMPONENT_ENABLED_STATE_DEFAULT, 11254 false, //installed 11255 true, //stopped 11256 true, //notLaunched 11257 false, //hidden 11258 null, null, null, 11259 false // blockUninstall 11260 ); 11261 if (!isSystemApp(ps)) { 11262 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11263 // Other user still have this package installed, so all 11264 // we need to do is clear this user's data and save that 11265 // it is uninstalled. 11266 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11267 removeUser = user.getIdentifier(); 11268 appId = ps.appId; 11269 mSettings.writePackageRestrictionsLPr(removeUser); 11270 } else { 11271 // We need to set it back to 'installed' so the uninstall 11272 // broadcasts will be sent correctly. 11273 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11274 ps.setInstalled(true, user.getIdentifier()); 11275 } 11276 } else { 11277 // This is a system app, so we assume that the 11278 // other users still have this package installed, so all 11279 // we need to do is clear this user's data and save that 11280 // it is uninstalled. 11281 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11282 removeUser = user.getIdentifier(); 11283 appId = ps.appId; 11284 mSettings.writePackageRestrictionsLPr(removeUser); 11285 } 11286 } 11287 } 11288 11289 if (removeUser >= 0) { 11290 // From above, we determined that we are deleting this only 11291 // for a single user. Continue the work here. 11292 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11293 if (outInfo != null) { 11294 outInfo.removedPackage = packageName; 11295 outInfo.removedAppId = appId; 11296 outInfo.removedUsers = new int[] {removeUser}; 11297 } 11298 mInstaller.clearUserData(packageName, removeUser); 11299 removeKeystoreDataIfNeeded(removeUser, appId); 11300 schedulePackageCleaning(packageName, removeUser, false); 11301 return true; 11302 } 11303 11304 if (dataOnly) { 11305 // Delete application data first 11306 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11307 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11308 return true; 11309 } 11310 11311 boolean ret = false; 11312 if (isSystemApp(ps)) { 11313 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11314 // When an updated system application is deleted we delete the existing resources as well and 11315 // fall back to existing code in system partition 11316 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11317 flags, outInfo, writeSettings); 11318 } else { 11319 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11320 // Kill application pre-emptively especially for apps on sd. 11321 killApplication(packageName, ps.appId, "uninstall pkg"); 11322 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11323 allUserHandles, perUserInstalled, 11324 outInfo, writeSettings); 11325 } 11326 11327 return ret; 11328 } 11329 11330 private final class ClearStorageConnection implements ServiceConnection { 11331 IMediaContainerService mContainerService; 11332 11333 @Override 11334 public void onServiceConnected(ComponentName name, IBinder service) { 11335 synchronized (this) { 11336 mContainerService = IMediaContainerService.Stub.asInterface(service); 11337 notifyAll(); 11338 } 11339 } 11340 11341 @Override 11342 public void onServiceDisconnected(ComponentName name) { 11343 } 11344 } 11345 11346 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11347 final boolean mounted; 11348 if (Environment.isExternalStorageEmulated()) { 11349 mounted = true; 11350 } else { 11351 final String status = Environment.getExternalStorageState(); 11352 11353 mounted = status.equals(Environment.MEDIA_MOUNTED) 11354 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11355 } 11356 11357 if (!mounted) { 11358 return; 11359 } 11360 11361 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11362 int[] users; 11363 if (userId == UserHandle.USER_ALL) { 11364 users = sUserManager.getUserIds(); 11365 } else { 11366 users = new int[] { userId }; 11367 } 11368 final ClearStorageConnection conn = new ClearStorageConnection(); 11369 if (mContext.bindServiceAsUser( 11370 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11371 try { 11372 for (int curUser : users) { 11373 long timeout = SystemClock.uptimeMillis() + 5000; 11374 synchronized (conn) { 11375 long now = SystemClock.uptimeMillis(); 11376 while (conn.mContainerService == null && now < timeout) { 11377 try { 11378 conn.wait(timeout - now); 11379 } catch (InterruptedException e) { 11380 } 11381 } 11382 } 11383 if (conn.mContainerService == null) { 11384 return; 11385 } 11386 11387 final UserEnvironment userEnv = new UserEnvironment(curUser); 11388 clearDirectory(conn.mContainerService, 11389 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11390 if (allData) { 11391 clearDirectory(conn.mContainerService, 11392 userEnv.buildExternalStorageAppDataDirs(packageName)); 11393 clearDirectory(conn.mContainerService, 11394 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11395 } 11396 } 11397 } finally { 11398 mContext.unbindService(conn); 11399 } 11400 } 11401 } 11402 11403 @Override 11404 public void clearApplicationUserData(final String packageName, 11405 final IPackageDataObserver observer, final int userId) { 11406 mContext.enforceCallingOrSelfPermission( 11407 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11408 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11409 // Queue up an async operation since the package deletion may take a little while. 11410 mHandler.post(new Runnable() { 11411 public void run() { 11412 mHandler.removeCallbacks(this); 11413 final boolean succeeded; 11414 synchronized (mInstallLock) { 11415 succeeded = clearApplicationUserDataLI(packageName, userId); 11416 } 11417 clearExternalStorageDataSync(packageName, userId, true); 11418 if (succeeded) { 11419 // invoke DeviceStorageMonitor's update method to clear any notifications 11420 DeviceStorageMonitorInternal 11421 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11422 if (dsm != null) { 11423 dsm.checkMemory(); 11424 } 11425 } 11426 if(observer != null) { 11427 try { 11428 observer.onRemoveCompleted(packageName, succeeded); 11429 } catch (RemoteException e) { 11430 Log.i(TAG, "Observer no longer exists."); 11431 } 11432 } //end if observer 11433 } //end run 11434 }); 11435 } 11436 11437 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11438 if (packageName == null) { 11439 Slog.w(TAG, "Attempt to delete null packageName."); 11440 return false; 11441 } 11442 11443 // Try finding details about the requested package 11444 PackageParser.Package pkg; 11445 synchronized (mPackages) { 11446 pkg = mPackages.get(packageName); 11447 if (pkg == null) { 11448 final PackageSetting ps = mSettings.mPackages.get(packageName); 11449 if (ps != null) { 11450 pkg = ps.pkg; 11451 } 11452 } 11453 } 11454 11455 if (pkg == null) { 11456 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11457 } 11458 11459 // Always delete data directories for package, even if we found no other 11460 // record of app. This helps users recover from UID mismatches without 11461 // resorting to a full data wipe. 11462 int retCode = mInstaller.clearUserData(packageName, userId); 11463 if (retCode < 0) { 11464 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11465 return false; 11466 } 11467 11468 if (pkg == null) { 11469 return false; 11470 } 11471 11472 if (pkg != null && pkg.applicationInfo != null) { 11473 final int appId = pkg.applicationInfo.uid; 11474 removeKeystoreDataIfNeeded(userId, appId); 11475 } 11476 11477 // Create a native library symlink only if we have native libraries 11478 // and if the native libraries are 32 bit libraries. We do not provide 11479 // this symlink for 64 bit libraries. 11480 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11481 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11482 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11483 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11484 Slog.w(TAG, "Failed linking native library dir"); 11485 return false; 11486 } 11487 } 11488 11489 return true; 11490 } 11491 11492 /** 11493 * Remove entries from the keystore daemon. Will only remove it if the 11494 * {@code appId} is valid. 11495 */ 11496 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11497 if (appId < 0) { 11498 return; 11499 } 11500 11501 final KeyStore keyStore = KeyStore.getInstance(); 11502 if (keyStore != null) { 11503 if (userId == UserHandle.USER_ALL) { 11504 for (final int individual : sUserManager.getUserIds()) { 11505 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11506 } 11507 } else { 11508 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11509 } 11510 } else { 11511 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11512 } 11513 } 11514 11515 @Override 11516 public void deleteApplicationCacheFiles(final String packageName, 11517 final IPackageDataObserver observer) { 11518 mContext.enforceCallingOrSelfPermission( 11519 android.Manifest.permission.DELETE_CACHE_FILES, null); 11520 // Queue up an async operation since the package deletion may take a little while. 11521 final int userId = UserHandle.getCallingUserId(); 11522 mHandler.post(new Runnable() { 11523 public void run() { 11524 mHandler.removeCallbacks(this); 11525 final boolean succeded; 11526 synchronized (mInstallLock) { 11527 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11528 } 11529 clearExternalStorageDataSync(packageName, userId, false); 11530 if(observer != null) { 11531 try { 11532 observer.onRemoveCompleted(packageName, succeded); 11533 } catch (RemoteException e) { 11534 Log.i(TAG, "Observer no longer exists."); 11535 } 11536 } //end if observer 11537 } //end run 11538 }); 11539 } 11540 11541 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11542 if (packageName == null) { 11543 Slog.w(TAG, "Attempt to delete null packageName."); 11544 return false; 11545 } 11546 PackageParser.Package p; 11547 synchronized (mPackages) { 11548 p = mPackages.get(packageName); 11549 } 11550 if (p == null) { 11551 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11552 return false; 11553 } 11554 final ApplicationInfo applicationInfo = p.applicationInfo; 11555 if (applicationInfo == null) { 11556 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11557 return false; 11558 } 11559 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11560 if (retCode < 0) { 11561 Slog.w(TAG, "Couldn't remove cache files for package: " 11562 + packageName + " u" + userId); 11563 return false; 11564 } 11565 return true; 11566 } 11567 11568 @Override 11569 public void getPackageSizeInfo(final String packageName, int userHandle, 11570 final IPackageStatsObserver observer) { 11571 mContext.enforceCallingOrSelfPermission( 11572 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11573 if (packageName == null) { 11574 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11575 } 11576 11577 PackageStats stats = new PackageStats(packageName, userHandle); 11578 11579 /* 11580 * Queue up an async operation since the package measurement may take a 11581 * little while. 11582 */ 11583 Message msg = mHandler.obtainMessage(INIT_COPY); 11584 msg.obj = new MeasureParams(stats, observer); 11585 mHandler.sendMessage(msg); 11586 } 11587 11588 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11589 PackageStats pStats) { 11590 if (packageName == null) { 11591 Slog.w(TAG, "Attempt to get size of null packageName."); 11592 return false; 11593 } 11594 PackageParser.Package p; 11595 boolean dataOnly = false; 11596 String libDirRoot = null; 11597 String asecPath = null; 11598 PackageSetting ps = null; 11599 synchronized (mPackages) { 11600 p = mPackages.get(packageName); 11601 ps = mSettings.mPackages.get(packageName); 11602 if(p == null) { 11603 dataOnly = true; 11604 if((ps == null) || (ps.pkg == null)) { 11605 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11606 return false; 11607 } 11608 p = ps.pkg; 11609 } 11610 if (ps != null) { 11611 libDirRoot = ps.legacyNativeLibraryPathString; 11612 } 11613 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11614 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11615 if (secureContainerId != null) { 11616 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11617 } 11618 } 11619 } 11620 String publicSrcDir = null; 11621 if(!dataOnly) { 11622 final ApplicationInfo applicationInfo = p.applicationInfo; 11623 if (applicationInfo == null) { 11624 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11625 return false; 11626 } 11627 if (p.isForwardLocked()) { 11628 publicSrcDir = applicationInfo.getBaseResourcePath(); 11629 } 11630 } 11631 // TODO: extend to measure size of split APKs 11632 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11633 // not just the first level. 11634 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11635 // just the primary. 11636 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11637 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11638 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11639 if (res < 0) { 11640 return false; 11641 } 11642 11643 // Fix-up for forward-locked applications in ASEC containers. 11644 if (!isExternal(p)) { 11645 pStats.codeSize += pStats.externalCodeSize; 11646 pStats.externalCodeSize = 0L; 11647 } 11648 11649 return true; 11650 } 11651 11652 11653 @Override 11654 public void addPackageToPreferred(String packageName) { 11655 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11656 } 11657 11658 @Override 11659 public void removePackageFromPreferred(String packageName) { 11660 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11661 } 11662 11663 @Override 11664 public List<PackageInfo> getPreferredPackages(int flags) { 11665 return new ArrayList<PackageInfo>(); 11666 } 11667 11668 private int getUidTargetSdkVersionLockedLPr(int uid) { 11669 Object obj = mSettings.getUserIdLPr(uid); 11670 if (obj instanceof SharedUserSetting) { 11671 final SharedUserSetting sus = (SharedUserSetting) obj; 11672 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11673 final Iterator<PackageSetting> it = sus.packages.iterator(); 11674 while (it.hasNext()) { 11675 final PackageSetting ps = it.next(); 11676 if (ps.pkg != null) { 11677 int v = ps.pkg.applicationInfo.targetSdkVersion; 11678 if (v < vers) vers = v; 11679 } 11680 } 11681 return vers; 11682 } else if (obj instanceof PackageSetting) { 11683 final PackageSetting ps = (PackageSetting) obj; 11684 if (ps.pkg != null) { 11685 return ps.pkg.applicationInfo.targetSdkVersion; 11686 } 11687 } 11688 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11689 } 11690 11691 @Override 11692 public void addPreferredActivity(IntentFilter filter, int match, 11693 ComponentName[] set, ComponentName activity, int userId) { 11694 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11695 "Adding preferred"); 11696 } 11697 11698 private void addPreferredActivityInternal(IntentFilter filter, int match, 11699 ComponentName[] set, ComponentName activity, boolean always, int userId, 11700 String opname) { 11701 // writer 11702 int callingUid = Binder.getCallingUid(); 11703 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11704 if (filter.countActions() == 0) { 11705 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11706 return; 11707 } 11708 synchronized (mPackages) { 11709 if (mContext.checkCallingOrSelfPermission( 11710 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11711 != PackageManager.PERMISSION_GRANTED) { 11712 if (getUidTargetSdkVersionLockedLPr(callingUid) 11713 < Build.VERSION_CODES.FROYO) { 11714 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11715 + callingUid); 11716 return; 11717 } 11718 mContext.enforceCallingOrSelfPermission( 11719 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11720 } 11721 11722 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11723 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11724 + userId + ":"); 11725 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11726 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11727 scheduleWritePackageRestrictionsLocked(userId); 11728 } 11729 } 11730 11731 @Override 11732 public void replacePreferredActivity(IntentFilter filter, int match, 11733 ComponentName[] set, ComponentName activity, int userId) { 11734 if (filter.countActions() != 1) { 11735 throw new IllegalArgumentException( 11736 "replacePreferredActivity expects filter to have only 1 action."); 11737 } 11738 if (filter.countDataAuthorities() != 0 11739 || filter.countDataPaths() != 0 11740 || filter.countDataSchemes() > 1 11741 || filter.countDataTypes() != 0) { 11742 throw new IllegalArgumentException( 11743 "replacePreferredActivity expects filter to have no data authorities, " + 11744 "paths, or types; and at most one scheme."); 11745 } 11746 11747 final int callingUid = Binder.getCallingUid(); 11748 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11749 synchronized (mPackages) { 11750 if (mContext.checkCallingOrSelfPermission( 11751 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11752 != PackageManager.PERMISSION_GRANTED) { 11753 if (getUidTargetSdkVersionLockedLPr(callingUid) 11754 < Build.VERSION_CODES.FROYO) { 11755 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11756 + Binder.getCallingUid()); 11757 return; 11758 } 11759 mContext.enforceCallingOrSelfPermission( 11760 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11761 } 11762 11763 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11764 if (pir != null) { 11765 // Get all of the existing entries that exactly match this filter. 11766 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11767 if (existing != null && existing.size() == 1) { 11768 PreferredActivity cur = existing.get(0); 11769 if (DEBUG_PREFERRED) { 11770 Slog.i(TAG, "Checking replace of preferred:"); 11771 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11772 if (!cur.mPref.mAlways) { 11773 Slog.i(TAG, " -- CUR; not mAlways!"); 11774 } else { 11775 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11776 Slog.i(TAG, " -- CUR: mSet=" 11777 + Arrays.toString(cur.mPref.mSetComponents)); 11778 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11779 Slog.i(TAG, " -- NEW: mMatch=" 11780 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11781 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11782 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11783 } 11784 } 11785 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11786 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11787 && cur.mPref.sameSet(set)) { 11788 // Setting the preferred activity to what it happens to be already 11789 if (DEBUG_PREFERRED) { 11790 Slog.i(TAG, "Replacing with same preferred activity " 11791 + cur.mPref.mShortComponent + " for user " 11792 + userId + ":"); 11793 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11794 } 11795 return; 11796 } 11797 } 11798 11799 if (existing != null) { 11800 if (DEBUG_PREFERRED) { 11801 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11802 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11803 } 11804 for (int i = 0; i < existing.size(); i++) { 11805 PreferredActivity pa = existing.get(i); 11806 if (DEBUG_PREFERRED) { 11807 Slog.i(TAG, "Removing existing preferred activity " 11808 + pa.mPref.mComponent + ":"); 11809 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11810 } 11811 pir.removeFilter(pa); 11812 } 11813 } 11814 } 11815 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11816 "Replacing preferred"); 11817 } 11818 } 11819 11820 @Override 11821 public void clearPackagePreferredActivities(String packageName) { 11822 final int uid = Binder.getCallingUid(); 11823 // writer 11824 synchronized (mPackages) { 11825 PackageParser.Package pkg = mPackages.get(packageName); 11826 if (pkg == null || pkg.applicationInfo.uid != uid) { 11827 if (mContext.checkCallingOrSelfPermission( 11828 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11829 != PackageManager.PERMISSION_GRANTED) { 11830 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11831 < Build.VERSION_CODES.FROYO) { 11832 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11833 + Binder.getCallingUid()); 11834 return; 11835 } 11836 mContext.enforceCallingOrSelfPermission( 11837 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11838 } 11839 } 11840 11841 int user = UserHandle.getCallingUserId(); 11842 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11843 scheduleWritePackageRestrictionsLocked(user); 11844 } 11845 } 11846 } 11847 11848 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11849 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11850 ArrayList<PreferredActivity> removed = null; 11851 boolean changed = false; 11852 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11853 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11854 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11855 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11856 continue; 11857 } 11858 Iterator<PreferredActivity> it = pir.filterIterator(); 11859 while (it.hasNext()) { 11860 PreferredActivity pa = it.next(); 11861 // Mark entry for removal only if it matches the package name 11862 // and the entry is of type "always". 11863 if (packageName == null || 11864 (pa.mPref.mComponent.getPackageName().equals(packageName) 11865 && pa.mPref.mAlways)) { 11866 if (removed == null) { 11867 removed = new ArrayList<PreferredActivity>(); 11868 } 11869 removed.add(pa); 11870 } 11871 } 11872 if (removed != null) { 11873 for (int j=0; j<removed.size(); j++) { 11874 PreferredActivity pa = removed.get(j); 11875 pir.removeFilter(pa); 11876 } 11877 changed = true; 11878 } 11879 } 11880 return changed; 11881 } 11882 11883 @Override 11884 public void resetPreferredActivities(int userId) { 11885 /* TODO: Actually use userId. Why is it being passed in? */ 11886 mContext.enforceCallingOrSelfPermission( 11887 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11888 // writer 11889 synchronized (mPackages) { 11890 int user = UserHandle.getCallingUserId(); 11891 clearPackagePreferredActivitiesLPw(null, user); 11892 mSettings.readDefaultPreferredAppsLPw(this, user); 11893 scheduleWritePackageRestrictionsLocked(user); 11894 } 11895 } 11896 11897 @Override 11898 public int getPreferredActivities(List<IntentFilter> outFilters, 11899 List<ComponentName> outActivities, String packageName) { 11900 11901 int num = 0; 11902 final int userId = UserHandle.getCallingUserId(); 11903 // reader 11904 synchronized (mPackages) { 11905 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11906 if (pir != null) { 11907 final Iterator<PreferredActivity> it = pir.filterIterator(); 11908 while (it.hasNext()) { 11909 final PreferredActivity pa = it.next(); 11910 if (packageName == null 11911 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11912 && pa.mPref.mAlways)) { 11913 if (outFilters != null) { 11914 outFilters.add(new IntentFilter(pa)); 11915 } 11916 if (outActivities != null) { 11917 outActivities.add(pa.mPref.mComponent); 11918 } 11919 } 11920 } 11921 } 11922 } 11923 11924 return num; 11925 } 11926 11927 @Override 11928 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11929 int userId) { 11930 int callingUid = Binder.getCallingUid(); 11931 if (callingUid != Process.SYSTEM_UID) { 11932 throw new SecurityException( 11933 "addPersistentPreferredActivity can only be run by the system"); 11934 } 11935 if (filter.countActions() == 0) { 11936 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11937 return; 11938 } 11939 synchronized (mPackages) { 11940 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11941 " :"); 11942 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11943 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11944 new PersistentPreferredActivity(filter, activity)); 11945 scheduleWritePackageRestrictionsLocked(userId); 11946 } 11947 } 11948 11949 @Override 11950 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11951 int callingUid = Binder.getCallingUid(); 11952 if (callingUid != Process.SYSTEM_UID) { 11953 throw new SecurityException( 11954 "clearPackagePersistentPreferredActivities can only be run by the system"); 11955 } 11956 ArrayList<PersistentPreferredActivity> removed = null; 11957 boolean changed = false; 11958 synchronized (mPackages) { 11959 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11960 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11961 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11962 .valueAt(i); 11963 if (userId != thisUserId) { 11964 continue; 11965 } 11966 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11967 while (it.hasNext()) { 11968 PersistentPreferredActivity ppa = it.next(); 11969 // Mark entry for removal only if it matches the package name. 11970 if (ppa.mComponent.getPackageName().equals(packageName)) { 11971 if (removed == null) { 11972 removed = new ArrayList<PersistentPreferredActivity>(); 11973 } 11974 removed.add(ppa); 11975 } 11976 } 11977 if (removed != null) { 11978 for (int j=0; j<removed.size(); j++) { 11979 PersistentPreferredActivity ppa = removed.get(j); 11980 ppir.removeFilter(ppa); 11981 } 11982 changed = true; 11983 } 11984 } 11985 11986 if (changed) { 11987 scheduleWritePackageRestrictionsLocked(userId); 11988 } 11989 } 11990 } 11991 11992 @Override 11993 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11994 int sourceUserId, int targetUserId, int flags) { 11995 mContext.enforceCallingOrSelfPermission( 11996 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11997 int callingUid = Binder.getCallingUid(); 11998 enforceOwnerRights(ownerPackage, callingUid); 11999 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12000 if (intentFilter.countActions() == 0) { 12001 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 12002 return; 12003 } 12004 synchronized (mPackages) { 12005 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 12006 ownerPackage, targetUserId, flags); 12007 CrossProfileIntentResolver resolver = 12008 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12009 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12010 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12011 if (existing != null) { 12012 int size = existing.size(); 12013 for (int i = 0; i < size; i++) { 12014 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12015 return; 12016 } 12017 } 12018 } 12019 resolver.addFilter(newFilter); 12020 scheduleWritePackageRestrictionsLocked(sourceUserId); 12021 } 12022 } 12023 12024 @Override 12025 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 12026 mContext.enforceCallingOrSelfPermission( 12027 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12028 int callingUid = Binder.getCallingUid(); 12029 enforceOwnerRights(ownerPackage, callingUid); 12030 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12031 synchronized (mPackages) { 12032 CrossProfileIntentResolver resolver = 12033 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12034 ArraySet<CrossProfileIntentFilter> set = 12035 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12036 for (CrossProfileIntentFilter filter : set) { 12037 if (filter.getOwnerPackage().equals(ownerPackage)) { 12038 resolver.removeFilter(filter); 12039 } 12040 } 12041 scheduleWritePackageRestrictionsLocked(sourceUserId); 12042 } 12043 } 12044 12045 // Enforcing that callingUid is owning pkg on userId 12046 private void enforceOwnerRights(String pkg, int callingUid) { 12047 // The system owns everything. 12048 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12049 return; 12050 } 12051 int callingUserId = UserHandle.getUserId(callingUid); 12052 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12053 if (pi == null) { 12054 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12055 + callingUserId); 12056 } 12057 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12058 throw new SecurityException("Calling uid " + callingUid 12059 + " does not own package " + pkg); 12060 } 12061 } 12062 12063 @Override 12064 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12065 Intent intent = new Intent(Intent.ACTION_MAIN); 12066 intent.addCategory(Intent.CATEGORY_HOME); 12067 12068 final int callingUserId = UserHandle.getCallingUserId(); 12069 List<ResolveInfo> list = queryIntentActivities(intent, null, 12070 PackageManager.GET_META_DATA, callingUserId); 12071 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12072 true, false, false, callingUserId); 12073 12074 allHomeCandidates.clear(); 12075 if (list != null) { 12076 for (ResolveInfo ri : list) { 12077 allHomeCandidates.add(ri); 12078 } 12079 } 12080 return (preferred == null || preferred.activityInfo == null) 12081 ? null 12082 : new ComponentName(preferred.activityInfo.packageName, 12083 preferred.activityInfo.name); 12084 } 12085 12086 @Override 12087 public void setApplicationEnabledSetting(String appPackageName, 12088 int newState, int flags, int userId, String callingPackage) { 12089 if (!sUserManager.exists(userId)) return; 12090 if (callingPackage == null) { 12091 callingPackage = Integer.toString(Binder.getCallingUid()); 12092 } 12093 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12094 } 12095 12096 @Override 12097 public void setComponentEnabledSetting(ComponentName componentName, 12098 int newState, int flags, int userId) { 12099 if (!sUserManager.exists(userId)) return; 12100 setEnabledSetting(componentName.getPackageName(), 12101 componentName.getClassName(), newState, flags, userId, null); 12102 } 12103 12104 private void setEnabledSetting(final String packageName, String className, int newState, 12105 final int flags, int userId, String callingPackage) { 12106 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12107 || newState == COMPONENT_ENABLED_STATE_ENABLED 12108 || newState == COMPONENT_ENABLED_STATE_DISABLED 12109 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12110 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12111 throw new IllegalArgumentException("Invalid new component state: " 12112 + newState); 12113 } 12114 PackageSetting pkgSetting; 12115 final int uid = Binder.getCallingUid(); 12116 final int permission = mContext.checkCallingOrSelfPermission( 12117 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12118 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12119 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12120 boolean sendNow = false; 12121 boolean isApp = (className == null); 12122 String componentName = isApp ? packageName : className; 12123 int packageUid = -1; 12124 ArrayList<String> components; 12125 12126 // writer 12127 synchronized (mPackages) { 12128 pkgSetting = mSettings.mPackages.get(packageName); 12129 if (pkgSetting == null) { 12130 if (className == null) { 12131 throw new IllegalArgumentException( 12132 "Unknown package: " + packageName); 12133 } 12134 throw new IllegalArgumentException( 12135 "Unknown component: " + packageName 12136 + "/" + className); 12137 } 12138 // Allow root and verify that userId is not being specified by a different user 12139 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12140 throw new SecurityException( 12141 "Permission Denial: attempt to change component state from pid=" 12142 + Binder.getCallingPid() 12143 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12144 } 12145 if (className == null) { 12146 // We're dealing with an application/package level state change 12147 if (pkgSetting.getEnabled(userId) == newState) { 12148 // Nothing to do 12149 return; 12150 } 12151 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12152 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12153 // Don't care about who enables an app. 12154 callingPackage = null; 12155 } 12156 pkgSetting.setEnabled(newState, userId, callingPackage); 12157 // pkgSetting.pkg.mSetEnabled = newState; 12158 } else { 12159 // We're dealing with a component level state change 12160 // First, verify that this is a valid class name. 12161 PackageParser.Package pkg = pkgSetting.pkg; 12162 if (pkg == null || !pkg.hasComponentClassName(className)) { 12163 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12164 throw new IllegalArgumentException("Component class " + className 12165 + " does not exist in " + packageName); 12166 } else { 12167 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12168 + className + " does not exist in " + packageName); 12169 } 12170 } 12171 switch (newState) { 12172 case COMPONENT_ENABLED_STATE_ENABLED: 12173 if (!pkgSetting.enableComponentLPw(className, userId)) { 12174 return; 12175 } 12176 break; 12177 case COMPONENT_ENABLED_STATE_DISABLED: 12178 if (!pkgSetting.disableComponentLPw(className, userId)) { 12179 return; 12180 } 12181 break; 12182 case COMPONENT_ENABLED_STATE_DEFAULT: 12183 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12184 return; 12185 } 12186 break; 12187 default: 12188 Slog.e(TAG, "Invalid new component state: " + newState); 12189 return; 12190 } 12191 } 12192 scheduleWritePackageRestrictionsLocked(userId); 12193 components = mPendingBroadcasts.get(userId, packageName); 12194 final boolean newPackage = components == null; 12195 if (newPackage) { 12196 components = new ArrayList<String>(); 12197 } 12198 if (!components.contains(componentName)) { 12199 components.add(componentName); 12200 } 12201 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12202 sendNow = true; 12203 // Purge entry from pending broadcast list if another one exists already 12204 // since we are sending one right away. 12205 mPendingBroadcasts.remove(userId, packageName); 12206 } else { 12207 if (newPackage) { 12208 mPendingBroadcasts.put(userId, packageName, components); 12209 } 12210 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12211 // Schedule a message 12212 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12213 } 12214 } 12215 } 12216 12217 long callingId = Binder.clearCallingIdentity(); 12218 try { 12219 if (sendNow) { 12220 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12221 sendPackageChangedBroadcast(packageName, 12222 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12223 } 12224 } finally { 12225 Binder.restoreCallingIdentity(callingId); 12226 } 12227 } 12228 12229 private void sendPackageChangedBroadcast(String packageName, 12230 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12231 if (DEBUG_INSTALL) 12232 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12233 + componentNames); 12234 Bundle extras = new Bundle(4); 12235 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12236 String nameList[] = new String[componentNames.size()]; 12237 componentNames.toArray(nameList); 12238 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12239 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12240 extras.putInt(Intent.EXTRA_UID, packageUid); 12241 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12242 new int[] {UserHandle.getUserId(packageUid)}); 12243 } 12244 12245 @Override 12246 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12247 if (!sUserManager.exists(userId)) return; 12248 final int uid = Binder.getCallingUid(); 12249 final int permission = mContext.checkCallingOrSelfPermission( 12250 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12251 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12252 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12253 // writer 12254 synchronized (mPackages) { 12255 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12256 uid, userId)) { 12257 scheduleWritePackageRestrictionsLocked(userId); 12258 } 12259 } 12260 } 12261 12262 @Override 12263 public String getInstallerPackageName(String packageName) { 12264 // reader 12265 synchronized (mPackages) { 12266 return mSettings.getInstallerPackageNameLPr(packageName); 12267 } 12268 } 12269 12270 @Override 12271 public int getApplicationEnabledSetting(String packageName, int userId) { 12272 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12273 int uid = Binder.getCallingUid(); 12274 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12275 // reader 12276 synchronized (mPackages) { 12277 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12278 } 12279 } 12280 12281 @Override 12282 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12283 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12284 int uid = Binder.getCallingUid(); 12285 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12286 // reader 12287 synchronized (mPackages) { 12288 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12289 } 12290 } 12291 12292 @Override 12293 public void enterSafeMode() { 12294 enforceSystemOrRoot("Only the system can request entering safe mode"); 12295 12296 if (!mSystemReady) { 12297 mSafeMode = true; 12298 } 12299 } 12300 12301 @Override 12302 public void systemReady() { 12303 mSystemReady = true; 12304 12305 // Read the compatibilty setting when the system is ready. 12306 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12307 mContext.getContentResolver(), 12308 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12309 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12310 if (DEBUG_SETTINGS) { 12311 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12312 } 12313 12314 synchronized (mPackages) { 12315 // Verify that all of the preferred activity components actually 12316 // exist. It is possible for applications to be updated and at 12317 // that point remove a previously declared activity component that 12318 // had been set as a preferred activity. We try to clean this up 12319 // the next time we encounter that preferred activity, but it is 12320 // possible for the user flow to never be able to return to that 12321 // situation so here we do a sanity check to make sure we haven't 12322 // left any junk around. 12323 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12324 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12325 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12326 removed.clear(); 12327 for (PreferredActivity pa : pir.filterSet()) { 12328 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12329 removed.add(pa); 12330 } 12331 } 12332 if (removed.size() > 0) { 12333 for (int r=0; r<removed.size(); r++) { 12334 PreferredActivity pa = removed.get(r); 12335 Slog.w(TAG, "Removing dangling preferred activity: " 12336 + pa.mPref.mComponent); 12337 pir.removeFilter(pa); 12338 } 12339 mSettings.writePackageRestrictionsLPr( 12340 mSettings.mPreferredActivities.keyAt(i)); 12341 } 12342 } 12343 } 12344 sUserManager.systemReady(); 12345 12346 // Kick off any messages waiting for system ready 12347 if (mPostSystemReadyMessages != null) { 12348 for (Message msg : mPostSystemReadyMessages) { 12349 msg.sendToTarget(); 12350 } 12351 mPostSystemReadyMessages = null; 12352 } 12353 } 12354 12355 @Override 12356 public boolean isSafeMode() { 12357 return mSafeMode; 12358 } 12359 12360 @Override 12361 public boolean hasSystemUidErrors() { 12362 return mHasSystemUidErrors; 12363 } 12364 12365 static String arrayToString(int[] array) { 12366 StringBuffer buf = new StringBuffer(128); 12367 buf.append('['); 12368 if (array != null) { 12369 for (int i=0; i<array.length; i++) { 12370 if (i > 0) buf.append(", "); 12371 buf.append(array[i]); 12372 } 12373 } 12374 buf.append(']'); 12375 return buf.toString(); 12376 } 12377 12378 static class DumpState { 12379 public static final int DUMP_LIBS = 1 << 0; 12380 public static final int DUMP_FEATURES = 1 << 1; 12381 public static final int DUMP_RESOLVERS = 1 << 2; 12382 public static final int DUMP_PERMISSIONS = 1 << 3; 12383 public static final int DUMP_PACKAGES = 1 << 4; 12384 public static final int DUMP_SHARED_USERS = 1 << 5; 12385 public static final int DUMP_MESSAGES = 1 << 6; 12386 public static final int DUMP_PROVIDERS = 1 << 7; 12387 public static final int DUMP_VERIFIERS = 1 << 8; 12388 public static final int DUMP_PREFERRED = 1 << 9; 12389 public static final int DUMP_PREFERRED_XML = 1 << 10; 12390 public static final int DUMP_KEYSETS = 1 << 11; 12391 public static final int DUMP_VERSION = 1 << 12; 12392 public static final int DUMP_INSTALLS = 1 << 13; 12393 12394 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12395 12396 private int mTypes; 12397 12398 private int mOptions; 12399 12400 private boolean mTitlePrinted; 12401 12402 private SharedUserSetting mSharedUser; 12403 12404 public boolean isDumping(int type) { 12405 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12406 return true; 12407 } 12408 12409 return (mTypes & type) != 0; 12410 } 12411 12412 public void setDump(int type) { 12413 mTypes |= type; 12414 } 12415 12416 public boolean isOptionEnabled(int option) { 12417 return (mOptions & option) != 0; 12418 } 12419 12420 public void setOptionEnabled(int option) { 12421 mOptions |= option; 12422 } 12423 12424 public boolean onTitlePrinted() { 12425 final boolean printed = mTitlePrinted; 12426 mTitlePrinted = true; 12427 return printed; 12428 } 12429 12430 public boolean getTitlePrinted() { 12431 return mTitlePrinted; 12432 } 12433 12434 public void setTitlePrinted(boolean enabled) { 12435 mTitlePrinted = enabled; 12436 } 12437 12438 public SharedUserSetting getSharedUser() { 12439 return mSharedUser; 12440 } 12441 12442 public void setSharedUser(SharedUserSetting user) { 12443 mSharedUser = user; 12444 } 12445 } 12446 12447 @Override 12448 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12449 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12450 != PackageManager.PERMISSION_GRANTED) { 12451 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12452 + Binder.getCallingPid() 12453 + ", uid=" + Binder.getCallingUid() 12454 + " without permission " 12455 + android.Manifest.permission.DUMP); 12456 return; 12457 } 12458 12459 DumpState dumpState = new DumpState(); 12460 boolean fullPreferred = false; 12461 boolean checkin = false; 12462 12463 String packageName = null; 12464 12465 int opti = 0; 12466 while (opti < args.length) { 12467 String opt = args[opti]; 12468 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12469 break; 12470 } 12471 opti++; 12472 12473 if ("-a".equals(opt)) { 12474 // Right now we only know how to print all. 12475 } else if ("-h".equals(opt)) { 12476 pw.println("Package manager dump options:"); 12477 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12478 pw.println(" --checkin: dump for a checkin"); 12479 pw.println(" -f: print details of intent filters"); 12480 pw.println(" -h: print this help"); 12481 pw.println(" cmd may be one of:"); 12482 pw.println(" l[ibraries]: list known shared libraries"); 12483 pw.println(" f[ibraries]: list device features"); 12484 pw.println(" k[eysets]: print known keysets"); 12485 pw.println(" r[esolvers]: dump intent resolvers"); 12486 pw.println(" perm[issions]: dump permissions"); 12487 pw.println(" pref[erred]: print preferred package settings"); 12488 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12489 pw.println(" prov[iders]: dump content providers"); 12490 pw.println(" p[ackages]: dump installed packages"); 12491 pw.println(" s[hared-users]: dump shared user IDs"); 12492 pw.println(" m[essages]: print collected runtime messages"); 12493 pw.println(" v[erifiers]: print package verifier info"); 12494 pw.println(" version: print database version info"); 12495 pw.println(" write: write current settings now"); 12496 pw.println(" <package.name>: info about given package"); 12497 pw.println(" installs: details about install sessions"); 12498 return; 12499 } else if ("--checkin".equals(opt)) { 12500 checkin = true; 12501 } else if ("-f".equals(opt)) { 12502 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12503 } else { 12504 pw.println("Unknown argument: " + opt + "; use -h for help"); 12505 } 12506 } 12507 12508 // Is the caller requesting to dump a particular piece of data? 12509 if (opti < args.length) { 12510 String cmd = args[opti]; 12511 opti++; 12512 // Is this a package name? 12513 if ("android".equals(cmd) || cmd.contains(".")) { 12514 packageName = cmd; 12515 // When dumping a single package, we always dump all of its 12516 // filter information since the amount of data will be reasonable. 12517 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12518 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12519 dumpState.setDump(DumpState.DUMP_LIBS); 12520 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12521 dumpState.setDump(DumpState.DUMP_FEATURES); 12522 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12523 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12524 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12525 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12526 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12527 dumpState.setDump(DumpState.DUMP_PREFERRED); 12528 } else if ("preferred-xml".equals(cmd)) { 12529 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12530 if (opti < args.length && "--full".equals(args[opti])) { 12531 fullPreferred = true; 12532 opti++; 12533 } 12534 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12535 dumpState.setDump(DumpState.DUMP_PACKAGES); 12536 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12537 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12538 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12539 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12540 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12541 dumpState.setDump(DumpState.DUMP_MESSAGES); 12542 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12543 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12544 } else if ("version".equals(cmd)) { 12545 dumpState.setDump(DumpState.DUMP_VERSION); 12546 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12547 dumpState.setDump(DumpState.DUMP_KEYSETS); 12548 } else if ("installs".equals(cmd)) { 12549 dumpState.setDump(DumpState.DUMP_INSTALLS); 12550 } else if ("write".equals(cmd)) { 12551 synchronized (mPackages) { 12552 mSettings.writeLPr(); 12553 pw.println("Settings written."); 12554 return; 12555 } 12556 } 12557 } 12558 12559 if (checkin) { 12560 pw.println("vers,1"); 12561 } 12562 12563 // reader 12564 synchronized (mPackages) { 12565 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12566 if (!checkin) { 12567 if (dumpState.onTitlePrinted()) 12568 pw.println(); 12569 pw.println("Database versions:"); 12570 pw.print(" SDK Version:"); 12571 pw.print(" internal="); 12572 pw.print(mSettings.mInternalSdkPlatform); 12573 pw.print(" external="); 12574 pw.println(mSettings.mExternalSdkPlatform); 12575 pw.print(" DB Version:"); 12576 pw.print(" internal="); 12577 pw.print(mSettings.mInternalDatabaseVersion); 12578 pw.print(" external="); 12579 pw.println(mSettings.mExternalDatabaseVersion); 12580 } 12581 } 12582 12583 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12584 if (!checkin) { 12585 if (dumpState.onTitlePrinted()) 12586 pw.println(); 12587 pw.println("Verifiers:"); 12588 pw.print(" Required: "); 12589 pw.print(mRequiredVerifierPackage); 12590 pw.print(" (uid="); 12591 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12592 pw.println(")"); 12593 } else if (mRequiredVerifierPackage != null) { 12594 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12595 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12596 } 12597 } 12598 12599 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12600 boolean printedHeader = false; 12601 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12602 while (it.hasNext()) { 12603 String name = it.next(); 12604 SharedLibraryEntry ent = mSharedLibraries.get(name); 12605 if (!checkin) { 12606 if (!printedHeader) { 12607 if (dumpState.onTitlePrinted()) 12608 pw.println(); 12609 pw.println("Libraries:"); 12610 printedHeader = true; 12611 } 12612 pw.print(" "); 12613 } else { 12614 pw.print("lib,"); 12615 } 12616 pw.print(name); 12617 if (!checkin) { 12618 pw.print(" -> "); 12619 } 12620 if (ent.path != null) { 12621 if (!checkin) { 12622 pw.print("(jar) "); 12623 pw.print(ent.path); 12624 } else { 12625 pw.print(",jar,"); 12626 pw.print(ent.path); 12627 } 12628 } else { 12629 if (!checkin) { 12630 pw.print("(apk) "); 12631 pw.print(ent.apk); 12632 } else { 12633 pw.print(",apk,"); 12634 pw.print(ent.apk); 12635 } 12636 } 12637 pw.println(); 12638 } 12639 } 12640 12641 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12642 if (dumpState.onTitlePrinted()) 12643 pw.println(); 12644 if (!checkin) { 12645 pw.println("Features:"); 12646 } 12647 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12648 while (it.hasNext()) { 12649 String name = it.next(); 12650 if (!checkin) { 12651 pw.print(" "); 12652 } else { 12653 pw.print("feat,"); 12654 } 12655 pw.println(name); 12656 } 12657 } 12658 12659 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12660 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12661 : "Activity Resolver Table:", " ", packageName, 12662 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12663 dumpState.setTitlePrinted(true); 12664 } 12665 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12666 : "Receiver Resolver Table:", " ", packageName, 12667 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12668 dumpState.setTitlePrinted(true); 12669 } 12670 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12671 : "Service Resolver Table:", " ", packageName, 12672 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12673 dumpState.setTitlePrinted(true); 12674 } 12675 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12676 : "Provider Resolver Table:", " ", packageName, 12677 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12678 dumpState.setTitlePrinted(true); 12679 } 12680 } 12681 12682 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12683 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12684 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12685 int user = mSettings.mPreferredActivities.keyAt(i); 12686 if (pir.dump(pw, 12687 dumpState.getTitlePrinted() 12688 ? "\nPreferred Activities User " + user + ":" 12689 : "Preferred Activities User " + user + ":", " ", 12690 packageName, true, false)) { 12691 dumpState.setTitlePrinted(true); 12692 } 12693 } 12694 } 12695 12696 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12697 pw.flush(); 12698 FileOutputStream fout = new FileOutputStream(fd); 12699 BufferedOutputStream str = new BufferedOutputStream(fout); 12700 XmlSerializer serializer = new FastXmlSerializer(); 12701 try { 12702 serializer.setOutput(str, "utf-8"); 12703 serializer.startDocument(null, true); 12704 serializer.setFeature( 12705 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12706 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12707 serializer.endDocument(); 12708 serializer.flush(); 12709 } catch (IllegalArgumentException e) { 12710 pw.println("Failed writing: " + e); 12711 } catch (IllegalStateException e) { 12712 pw.println("Failed writing: " + e); 12713 } catch (IOException e) { 12714 pw.println("Failed writing: " + e); 12715 } 12716 } 12717 12718 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12719 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12720 if (packageName == null) { 12721 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12722 if (iperm == 0) { 12723 if (dumpState.onTitlePrinted()) 12724 pw.println(); 12725 pw.println("AppOp Permissions:"); 12726 } 12727 pw.print(" AppOp Permission "); 12728 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12729 pw.println(":"); 12730 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12731 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12732 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12733 } 12734 } 12735 } 12736 } 12737 12738 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12739 boolean printedSomething = false; 12740 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12741 if (packageName != null && !packageName.equals(p.info.packageName)) { 12742 continue; 12743 } 12744 if (!printedSomething) { 12745 if (dumpState.onTitlePrinted()) 12746 pw.println(); 12747 pw.println("Registered ContentProviders:"); 12748 printedSomething = true; 12749 } 12750 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12751 pw.print(" "); pw.println(p.toString()); 12752 } 12753 printedSomething = false; 12754 for (Map.Entry<String, PackageParser.Provider> entry : 12755 mProvidersByAuthority.entrySet()) { 12756 PackageParser.Provider p = entry.getValue(); 12757 if (packageName != null && !packageName.equals(p.info.packageName)) { 12758 continue; 12759 } 12760 if (!printedSomething) { 12761 if (dumpState.onTitlePrinted()) 12762 pw.println(); 12763 pw.println("ContentProvider Authorities:"); 12764 printedSomething = true; 12765 } 12766 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12767 pw.print(" "); pw.println(p.toString()); 12768 if (p.info != null && p.info.applicationInfo != null) { 12769 final String appInfo = p.info.applicationInfo.toString(); 12770 pw.print(" applicationInfo="); pw.println(appInfo); 12771 } 12772 } 12773 } 12774 12775 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12776 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12777 } 12778 12779 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12780 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12781 } 12782 12783 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12784 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12785 } 12786 12787 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12788 // XXX should handle packageName != null by dumping only install data that 12789 // the given package is involved with. 12790 if (dumpState.onTitlePrinted()) pw.println(); 12791 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12792 } 12793 12794 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12795 if (dumpState.onTitlePrinted()) pw.println(); 12796 mSettings.dumpReadMessagesLPr(pw, dumpState); 12797 12798 pw.println(); 12799 pw.println("Package warning messages:"); 12800 BufferedReader in = null; 12801 String line = null; 12802 try { 12803 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12804 while ((line = in.readLine()) != null) { 12805 if (line.contains("ignored: updated version")) continue; 12806 pw.println(line); 12807 } 12808 } catch (IOException ignored) { 12809 } finally { 12810 IoUtils.closeQuietly(in); 12811 } 12812 } 12813 12814 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12815 BufferedReader in = null; 12816 String line = null; 12817 try { 12818 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12819 while ((line = in.readLine()) != null) { 12820 if (line.contains("ignored: updated version")) continue; 12821 pw.print("msg,"); 12822 pw.println(line); 12823 } 12824 } catch (IOException ignored) { 12825 } finally { 12826 IoUtils.closeQuietly(in); 12827 } 12828 } 12829 } 12830 } 12831 12832 // ------- apps on sdcard specific code ------- 12833 static final boolean DEBUG_SD_INSTALL = false; 12834 12835 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12836 12837 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12838 12839 private boolean mMediaMounted = false; 12840 12841 static String getEncryptKey() { 12842 try { 12843 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12844 SD_ENCRYPTION_KEYSTORE_NAME); 12845 if (sdEncKey == null) { 12846 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12847 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12848 if (sdEncKey == null) { 12849 Slog.e(TAG, "Failed to create encryption keys"); 12850 return null; 12851 } 12852 } 12853 return sdEncKey; 12854 } catch (NoSuchAlgorithmException nsae) { 12855 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12856 return null; 12857 } catch (IOException ioe) { 12858 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12859 return null; 12860 } 12861 } 12862 12863 /* 12864 * Update media status on PackageManager. 12865 */ 12866 @Override 12867 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12868 int callingUid = Binder.getCallingUid(); 12869 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12870 throw new SecurityException("Media status can only be updated by the system"); 12871 } 12872 // reader; this apparently protects mMediaMounted, but should probably 12873 // be a different lock in that case. 12874 synchronized (mPackages) { 12875 Log.i(TAG, "Updating external media status from " 12876 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12877 + (mediaStatus ? "mounted" : "unmounted")); 12878 if (DEBUG_SD_INSTALL) 12879 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12880 + ", mMediaMounted=" + mMediaMounted); 12881 if (mediaStatus == mMediaMounted) { 12882 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12883 : 0, -1); 12884 mHandler.sendMessage(msg); 12885 return; 12886 } 12887 mMediaMounted = mediaStatus; 12888 } 12889 // Queue up an async operation since the package installation may take a 12890 // little while. 12891 mHandler.post(new Runnable() { 12892 public void run() { 12893 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12894 } 12895 }); 12896 } 12897 12898 /** 12899 * Called by MountService when the initial ASECs to scan are available. 12900 * Should block until all the ASEC containers are finished being scanned. 12901 */ 12902 public void scanAvailableAsecs() { 12903 updateExternalMediaStatusInner(true, false, false); 12904 if (mShouldRestoreconData) { 12905 SELinuxMMAC.setRestoreconDone(); 12906 mShouldRestoreconData = false; 12907 } 12908 } 12909 12910 /* 12911 * Collect information of applications on external media, map them against 12912 * existing containers and update information based on current mount status. 12913 * Please note that we always have to report status if reportStatus has been 12914 * set to true especially when unloading packages. 12915 */ 12916 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12917 boolean externalStorage) { 12918 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12919 int[] uidArr = EmptyArray.INT; 12920 12921 final String[] list = PackageHelper.getSecureContainerList(); 12922 if (ArrayUtils.isEmpty(list)) { 12923 Log.i(TAG, "No secure containers found"); 12924 } else { 12925 // Process list of secure containers and categorize them 12926 // as active or stale based on their package internal state. 12927 12928 // reader 12929 synchronized (mPackages) { 12930 for (String cid : list) { 12931 // Leave stages untouched for now; installer service owns them 12932 if (PackageInstallerService.isStageName(cid)) continue; 12933 12934 if (DEBUG_SD_INSTALL) 12935 Log.i(TAG, "Processing container " + cid); 12936 String pkgName = getAsecPackageName(cid); 12937 if (pkgName == null) { 12938 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12939 continue; 12940 } 12941 if (DEBUG_SD_INSTALL) 12942 Log.i(TAG, "Looking for pkg : " + pkgName); 12943 12944 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12945 if (ps == null) { 12946 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12947 continue; 12948 } 12949 12950 /* 12951 * Skip packages that are not external if we're unmounting 12952 * external storage. 12953 */ 12954 if (externalStorage && !isMounted && !isExternal(ps)) { 12955 continue; 12956 } 12957 12958 final AsecInstallArgs args = new AsecInstallArgs(cid, 12959 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12960 // The package status is changed only if the code path 12961 // matches between settings and the container id. 12962 if (ps.codePathString != null 12963 && ps.codePathString.startsWith(args.getCodePath())) { 12964 if (DEBUG_SD_INSTALL) { 12965 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12966 + " at code path: " + ps.codePathString); 12967 } 12968 12969 // We do have a valid package installed on sdcard 12970 processCids.put(args, ps.codePathString); 12971 final int uid = ps.appId; 12972 if (uid != -1) { 12973 uidArr = ArrayUtils.appendInt(uidArr, uid); 12974 } 12975 } else { 12976 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12977 + ps.codePathString); 12978 } 12979 } 12980 } 12981 12982 Arrays.sort(uidArr); 12983 } 12984 12985 // Process packages with valid entries. 12986 if (isMounted) { 12987 if (DEBUG_SD_INSTALL) 12988 Log.i(TAG, "Loading packages"); 12989 loadMediaPackages(processCids, uidArr); 12990 startCleaningPackages(); 12991 mInstallerService.onSecureContainersAvailable(); 12992 } else { 12993 if (DEBUG_SD_INSTALL) 12994 Log.i(TAG, "Unloading packages"); 12995 unloadMediaPackages(processCids, uidArr, reportStatus); 12996 } 12997 } 12998 12999 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 13000 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 13001 int size = pkgList.size(); 13002 if (size > 0) { 13003 // Send broadcasts here 13004 Bundle extras = new Bundle(); 13005 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 13006 .toArray(new String[size])); 13007 if (uidArr != null) { 13008 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13009 } 13010 if (replacing) { 13011 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13012 } 13013 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13014 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13015 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13016 } 13017 } 13018 13019 /* 13020 * Look at potentially valid container ids from processCids If package 13021 * information doesn't match the one on record or package scanning fails, 13022 * the cid is added to list of removeCids. We currently don't delete stale 13023 * containers. 13024 */ 13025 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13026 ArrayList<String> pkgList = new ArrayList<String>(); 13027 Set<AsecInstallArgs> keys = processCids.keySet(); 13028 13029 for (AsecInstallArgs args : keys) { 13030 String codePath = processCids.get(args); 13031 if (DEBUG_SD_INSTALL) 13032 Log.i(TAG, "Loading container : " + args.cid); 13033 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13034 try { 13035 // Make sure there are no container errors first. 13036 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13037 Slog.e(TAG, "Failed to mount cid : " + args.cid 13038 + " when installing from sdcard"); 13039 continue; 13040 } 13041 // Check code path here. 13042 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13043 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13044 + " does not match one in settings " + codePath); 13045 continue; 13046 } 13047 // Parse package 13048 int parseFlags = mDefParseFlags; 13049 if (args.isExternal()) { 13050 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13051 } 13052 if (args.isFwdLocked()) { 13053 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13054 } 13055 13056 synchronized (mInstallLock) { 13057 PackageParser.Package pkg = null; 13058 try { 13059 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13060 } catch (PackageManagerException e) { 13061 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13062 } 13063 // Scan the package 13064 if (pkg != null) { 13065 /* 13066 * TODO why is the lock being held? doPostInstall is 13067 * called in other places without the lock. This needs 13068 * to be straightened out. 13069 */ 13070 // writer 13071 synchronized (mPackages) { 13072 retCode = PackageManager.INSTALL_SUCCEEDED; 13073 pkgList.add(pkg.packageName); 13074 // Post process args 13075 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13076 pkg.applicationInfo.uid); 13077 } 13078 } else { 13079 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13080 } 13081 } 13082 13083 } finally { 13084 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13085 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13086 } 13087 } 13088 } 13089 // writer 13090 synchronized (mPackages) { 13091 // If the platform SDK has changed since the last time we booted, 13092 // we need to re-grant app permission to catch any new ones that 13093 // appear. This is really a hack, and means that apps can in some 13094 // cases get permissions that the user didn't initially explicitly 13095 // allow... it would be nice to have some better way to handle 13096 // this situation. 13097 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13098 if (regrantPermissions) 13099 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13100 + mSdkVersion + "; regranting permissions for external storage"); 13101 mSettings.mExternalSdkPlatform = mSdkVersion; 13102 13103 // Make sure group IDs have been assigned, and any permission 13104 // changes in other apps are accounted for 13105 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13106 | (regrantPermissions 13107 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13108 : 0)); 13109 13110 mSettings.updateExternalDatabaseVersion(); 13111 13112 // can downgrade to reader 13113 // Persist settings 13114 mSettings.writeLPr(); 13115 } 13116 // Send a broadcast to let everyone know we are done processing 13117 if (pkgList.size() > 0) { 13118 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13119 } 13120 } 13121 13122 /* 13123 * Utility method to unload a list of specified containers 13124 */ 13125 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13126 // Just unmount all valid containers. 13127 for (AsecInstallArgs arg : cidArgs) { 13128 synchronized (mInstallLock) { 13129 arg.doPostDeleteLI(false); 13130 } 13131 } 13132 } 13133 13134 /* 13135 * Unload packages mounted on external media. This involves deleting package 13136 * data from internal structures, sending broadcasts about diabled packages, 13137 * gc'ing to free up references, unmounting all secure containers 13138 * corresponding to packages on external media, and posting a 13139 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13140 * that we always have to post this message if status has been requested no 13141 * matter what. 13142 */ 13143 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13144 final boolean reportStatus) { 13145 if (DEBUG_SD_INSTALL) 13146 Log.i(TAG, "unloading media packages"); 13147 ArrayList<String> pkgList = new ArrayList<String>(); 13148 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13149 final Set<AsecInstallArgs> keys = processCids.keySet(); 13150 for (AsecInstallArgs args : keys) { 13151 String pkgName = args.getPackageName(); 13152 if (DEBUG_SD_INSTALL) 13153 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13154 // Delete package internally 13155 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13156 synchronized (mInstallLock) { 13157 boolean res = deletePackageLI(pkgName, null, false, null, null, 13158 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13159 if (res) { 13160 pkgList.add(pkgName); 13161 } else { 13162 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13163 failedList.add(args); 13164 } 13165 } 13166 } 13167 13168 // reader 13169 synchronized (mPackages) { 13170 // We didn't update the settings after removing each package; 13171 // write them now for all packages. 13172 mSettings.writeLPr(); 13173 } 13174 13175 // We have to absolutely send UPDATED_MEDIA_STATUS only 13176 // after confirming that all the receivers processed the ordered 13177 // broadcast when packages get disabled, force a gc to clean things up. 13178 // and unload all the containers. 13179 if (pkgList.size() > 0) { 13180 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13181 new IIntentReceiver.Stub() { 13182 public void performReceive(Intent intent, int resultCode, String data, 13183 Bundle extras, boolean ordered, boolean sticky, 13184 int sendingUser) throws RemoteException { 13185 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13186 reportStatus ? 1 : 0, 1, keys); 13187 mHandler.sendMessage(msg); 13188 } 13189 }); 13190 } else { 13191 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13192 keys); 13193 mHandler.sendMessage(msg); 13194 } 13195 } 13196 13197 /** Binder call */ 13198 @Override 13199 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13200 final int flags) { 13201 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13202 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13203 int returnCode = PackageManager.MOVE_SUCCEEDED; 13204 int currInstallFlags = 0; 13205 int newInstallFlags = 0; 13206 13207 File codeFile = null; 13208 String installerPackageName = null; 13209 String packageAbiOverride = null; 13210 13211 // reader 13212 synchronized (mPackages) { 13213 final PackageParser.Package pkg = mPackages.get(packageName); 13214 final PackageSetting ps = mSettings.mPackages.get(packageName); 13215 if (pkg == null || ps == null) { 13216 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13217 } else { 13218 // Disable moving fwd locked apps and system packages 13219 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13220 Slog.w(TAG, "Cannot move system application"); 13221 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13222 } else if (pkg.mOperationPending) { 13223 Slog.w(TAG, "Attempt to move package which has pending operations"); 13224 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13225 } else { 13226 // Find install location first 13227 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13228 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13229 Slog.w(TAG, "Ambigous flags specified for move location."); 13230 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13231 } else { 13232 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13233 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13234 currInstallFlags = isExternal(pkg) 13235 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13236 13237 if (newInstallFlags == currInstallFlags) { 13238 Slog.w(TAG, "No move required. Trying to move to same location"); 13239 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13240 } else { 13241 if (pkg.isForwardLocked()) { 13242 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13243 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13244 } 13245 } 13246 } 13247 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13248 pkg.mOperationPending = true; 13249 } 13250 } 13251 13252 codeFile = new File(pkg.codePath); 13253 installerPackageName = ps.installerPackageName; 13254 packageAbiOverride = ps.cpuAbiOverrideString; 13255 } 13256 } 13257 13258 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13259 try { 13260 observer.packageMoved(packageName, returnCode); 13261 } catch (RemoteException ignored) { 13262 } 13263 return; 13264 } 13265 13266 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13267 @Override 13268 public void onUserActionRequired(Intent intent) throws RemoteException { 13269 throw new IllegalStateException(); 13270 } 13271 13272 @Override 13273 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13274 Bundle extras) throws RemoteException { 13275 Slog.d(TAG, "Install result for move: " 13276 + PackageManager.installStatusToString(returnCode, msg)); 13277 13278 // We usually have a new package now after the install, but if 13279 // we failed we need to clear the pending flag on the original 13280 // package object. 13281 synchronized (mPackages) { 13282 final PackageParser.Package pkg = mPackages.get(packageName); 13283 if (pkg != null) { 13284 pkg.mOperationPending = false; 13285 } 13286 } 13287 13288 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13289 switch (status) { 13290 case PackageInstaller.STATUS_SUCCESS: 13291 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13292 break; 13293 case PackageInstaller.STATUS_FAILURE_STORAGE: 13294 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13295 break; 13296 default: 13297 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13298 break; 13299 } 13300 } 13301 }; 13302 13303 // Treat a move like reinstalling an existing app, which ensures that we 13304 // process everythign uniformly, like unpacking native libraries. 13305 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13306 13307 final Message msg = mHandler.obtainMessage(INIT_COPY); 13308 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13309 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13310 installerPackageName, null, user, packageAbiOverride); 13311 mHandler.sendMessage(msg); 13312 } 13313 13314 @Override 13315 public boolean setInstallLocation(int loc) { 13316 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13317 null); 13318 if (getInstallLocation() == loc) { 13319 return true; 13320 } 13321 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13322 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13323 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13324 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13325 return true; 13326 } 13327 return false; 13328 } 13329 13330 @Override 13331 public int getInstallLocation() { 13332 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13333 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13334 PackageHelper.APP_INSTALL_AUTO); 13335 } 13336 13337 /** Called by UserManagerService */ 13338 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13339 mDirtyUsers.remove(userHandle); 13340 mSettings.removeUserLPw(userHandle); 13341 mPendingBroadcasts.remove(userHandle); 13342 if (mInstaller != null) { 13343 // Technically, we shouldn't be doing this with the package lock 13344 // held. However, this is very rare, and there is already so much 13345 // other disk I/O going on, that we'll let it slide for now. 13346 mInstaller.removeUserDataDirs(userHandle); 13347 } 13348 mUserNeedsBadging.delete(userHandle); 13349 removeUnusedPackagesLILPw(userManager, userHandle); 13350 } 13351 13352 /** 13353 * We're removing userHandle and would like to remove any downloaded packages 13354 * that are no longer in use by any other user. 13355 * @param userHandle the user being removed 13356 */ 13357 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13358 final boolean DEBUG_CLEAN_APKS = false; 13359 int [] users = userManager.getUserIdsLPr(); 13360 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13361 while (psit.hasNext()) { 13362 PackageSetting ps = psit.next(); 13363 if (ps.pkg == null) { 13364 continue; 13365 } 13366 final String packageName = ps.pkg.packageName; 13367 // Skip over if system app 13368 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13369 continue; 13370 } 13371 if (DEBUG_CLEAN_APKS) { 13372 Slog.i(TAG, "Checking package " + packageName); 13373 } 13374 boolean keep = false; 13375 for (int i = 0; i < users.length; i++) { 13376 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13377 keep = true; 13378 if (DEBUG_CLEAN_APKS) { 13379 Slog.i(TAG, " Keeping package " + packageName + " for user " 13380 + users[i]); 13381 } 13382 break; 13383 } 13384 } 13385 if (!keep) { 13386 if (DEBUG_CLEAN_APKS) { 13387 Slog.i(TAG, " Removing package " + packageName); 13388 } 13389 mHandler.post(new Runnable() { 13390 public void run() { 13391 deletePackageX(packageName, userHandle, 0); 13392 } //end run 13393 }); 13394 } 13395 } 13396 } 13397 13398 /** Called by UserManagerService */ 13399 void createNewUserLILPw(int userHandle, File path) { 13400 if (mInstaller != null) { 13401 mInstaller.createUserConfig(userHandle); 13402 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13403 } 13404 } 13405 13406 void newUserCreatedLILPw(int userHandle) { 13407 // Adding a user requires updating runtime permissions for system apps. 13408 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 13409 } 13410 13411 @Override 13412 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13413 mContext.enforceCallingOrSelfPermission( 13414 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13415 "Only package verification agents can read the verifier device identity"); 13416 13417 synchronized (mPackages) { 13418 return mSettings.getVerifierDeviceIdentityLPw(); 13419 } 13420 } 13421 13422 @Override 13423 public void setPermissionEnforced(String permission, boolean enforced) { 13424 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13425 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13426 synchronized (mPackages) { 13427 if (mSettings.mReadExternalStorageEnforced == null 13428 || mSettings.mReadExternalStorageEnforced != enforced) { 13429 mSettings.mReadExternalStorageEnforced = enforced; 13430 mSettings.writeLPr(); 13431 } 13432 } 13433 // kill any non-foreground processes so we restart them and 13434 // grant/revoke the GID. 13435 final IActivityManager am = ActivityManagerNative.getDefault(); 13436 if (am != null) { 13437 final long token = Binder.clearCallingIdentity(); 13438 try { 13439 am.killProcessesBelowForeground("setPermissionEnforcement"); 13440 } catch (RemoteException e) { 13441 } finally { 13442 Binder.restoreCallingIdentity(token); 13443 } 13444 } 13445 } else { 13446 throw new IllegalArgumentException("No selective enforcement for " + permission); 13447 } 13448 } 13449 13450 @Override 13451 @Deprecated 13452 public boolean isPermissionEnforced(String permission) { 13453 return true; 13454 } 13455 13456 @Override 13457 public boolean isStorageLow() { 13458 final long token = Binder.clearCallingIdentity(); 13459 try { 13460 final DeviceStorageMonitorInternal 13461 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13462 if (dsm != null) { 13463 return dsm.isMemoryLow(); 13464 } else { 13465 return false; 13466 } 13467 } finally { 13468 Binder.restoreCallingIdentity(token); 13469 } 13470 } 13471 13472 @Override 13473 public IPackageInstaller getPackageInstaller() { 13474 return mInstallerService; 13475 } 13476 13477 private boolean userNeedsBadging(int userId) { 13478 int index = mUserNeedsBadging.indexOfKey(userId); 13479 if (index < 0) { 13480 final UserInfo userInfo; 13481 final long token = Binder.clearCallingIdentity(); 13482 try { 13483 userInfo = sUserManager.getUserInfo(userId); 13484 } finally { 13485 Binder.restoreCallingIdentity(token); 13486 } 13487 final boolean b; 13488 if (userInfo != null && userInfo.isManagedProfile()) { 13489 b = true; 13490 } else { 13491 b = false; 13492 } 13493 mUserNeedsBadging.put(userId, b); 13494 return b; 13495 } 13496 return mUserNeedsBadging.valueAt(index); 13497 } 13498 13499 @Override 13500 public KeySet getKeySetByAlias(String packageName, String alias) { 13501 if (packageName == null || alias == null) { 13502 return null; 13503 } 13504 synchronized(mPackages) { 13505 final PackageParser.Package pkg = mPackages.get(packageName); 13506 if (pkg == null) { 13507 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13508 throw new IllegalArgumentException("Unknown package: " + packageName); 13509 } 13510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13511 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13512 } 13513 } 13514 13515 @Override 13516 public KeySet getSigningKeySet(String packageName) { 13517 if (packageName == null) { 13518 return null; 13519 } 13520 synchronized(mPackages) { 13521 final PackageParser.Package pkg = mPackages.get(packageName); 13522 if (pkg == null) { 13523 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13524 throw new IllegalArgumentException("Unknown package: " + packageName); 13525 } 13526 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13527 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13528 throw new SecurityException("May not access signing KeySet of other apps."); 13529 } 13530 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13531 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13532 } 13533 } 13534 13535 @Override 13536 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13537 if (packageName == null || ks == null) { 13538 return false; 13539 } 13540 synchronized(mPackages) { 13541 final PackageParser.Package pkg = mPackages.get(packageName); 13542 if (pkg == null) { 13543 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13544 throw new IllegalArgumentException("Unknown package: " + packageName); 13545 } 13546 IBinder ksh = ks.getToken(); 13547 if (ksh instanceof KeySetHandle) { 13548 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13549 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13550 } 13551 return false; 13552 } 13553 } 13554 13555 @Override 13556 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13557 if (packageName == null || ks == null) { 13558 return false; 13559 } 13560 synchronized(mPackages) { 13561 final PackageParser.Package pkg = mPackages.get(packageName); 13562 if (pkg == null) { 13563 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13564 throw new IllegalArgumentException("Unknown package: " + packageName); 13565 } 13566 IBinder ksh = ks.getToken(); 13567 if (ksh instanceof KeySetHandle) { 13568 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13569 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13570 } 13571 return false; 13572 } 13573 } 13574 13575 public void getUsageStatsIfNoPackageUsageInfo() { 13576 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13577 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13578 if (usm == null) { 13579 throw new IllegalStateException("UsageStatsManager must be initialized"); 13580 } 13581 long now = System.currentTimeMillis(); 13582 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13583 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13584 String packageName = entry.getKey(); 13585 PackageParser.Package pkg = mPackages.get(packageName); 13586 if (pkg == null) { 13587 continue; 13588 } 13589 UsageStats usage = entry.getValue(); 13590 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13591 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13592 } 13593 } 13594 } 13595 13596 /** 13597 * Check and throw if the given before/after packages would be considered a 13598 * downgrade. 13599 */ 13600 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13601 throws PackageManagerException { 13602 if (after.versionCode < before.mVersionCode) { 13603 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13604 "Update version code " + after.versionCode + " is older than current " 13605 + before.mVersionCode); 13606 } else if (after.versionCode == before.mVersionCode) { 13607 if (after.baseRevisionCode < before.baseRevisionCode) { 13608 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13609 "Update base revision code " + after.baseRevisionCode 13610 + " is older than current " + before.baseRevisionCode); 13611 } 13612 13613 if (!ArrayUtils.isEmpty(after.splitNames)) { 13614 for (int i = 0; i < after.splitNames.length; i++) { 13615 final String splitName = after.splitNames[i]; 13616 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13617 if (j != -1) { 13618 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13619 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13620 "Update split " + splitName + " revision code " 13621 + after.splitRevisionCodes[i] + " is older than current " 13622 + before.splitRevisionCodes[j]); 13623 } 13624 } 13625 } 13626 } 13627 } 13628 } 13629} 13630