PackageManagerService.java revision 78a130144bdd047665f00782c481d31edb3e5fb7
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_CPU_ABI_INCOMPATIBLE; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 32import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 36import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 37import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 38import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 39import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 43import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 44import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 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 android.system.OsConstants.S_IRGRP; 53import static android.system.OsConstants.S_IROTH; 54import static android.system.OsConstants.S_IRWXU; 55import static android.system.OsConstants.S_IXGRP; 56import static android.system.OsConstants.S_IXOTH; 57import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 58import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 59import static com.android.internal.util.ArrayUtils.appendInt; 60import static com.android.internal.util.ArrayUtils.removeInt; 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.internal.util.Preconditions; 75import com.android.server.EventLogTags; 76import com.android.server.IntentResolver; 77import com.android.server.LocalServices; 78import com.android.server.ServiceThread; 79import com.android.server.SystemConfig; 80import com.android.server.Watchdog; 81import com.android.server.pm.Settings.DatabaseVersion; 82import com.android.server.storage.DeviceStorageMonitorInternal; 83 84import org.xmlpull.v1.XmlSerializer; 85 86import android.app.ActivityManager; 87import android.app.ActivityManagerNative; 88import android.app.IActivityManager; 89import android.app.admin.IDevicePolicyManager; 90import android.app.backup.IBackupManager; 91import android.content.BroadcastReceiver; 92import android.content.ComponentName; 93import android.content.Context; 94import android.content.IIntentReceiver; 95import android.content.Intent; 96import android.content.IntentFilter; 97import android.content.IntentSender; 98import android.content.IntentSender.SendIntentException; 99import android.content.ServiceConnection; 100import android.content.pm.ActivityInfo; 101import android.content.pm.ApplicationInfo; 102import android.content.pm.FeatureInfo; 103import android.content.pm.IPackageDataObserver; 104import android.content.pm.IPackageDeleteObserver; 105import android.content.pm.IPackageInstallObserver2; 106import android.content.pm.IPackageInstaller; 107import android.content.pm.IPackageManager; 108import android.content.pm.IPackageMoveObserver; 109import android.content.pm.IPackageStatsObserver; 110import android.content.pm.InstallSessionParams; 111import android.content.pm.InstrumentationInfo; 112import android.content.pm.ManifestDigest; 113import android.content.pm.PackageCleanItem; 114import android.content.pm.PackageInfo; 115import android.content.pm.PackageInfoLite; 116import android.content.pm.PackageManager; 117import android.content.pm.PackageParser.ActivityIntentInfo; 118import android.content.pm.PackageParser.PackageLite; 119import android.content.pm.PackageParser.PackageParserException; 120import android.content.pm.PackageParser; 121import android.content.pm.PackageStats; 122import android.content.pm.PackageUserState; 123import android.content.pm.ParceledListSlice; 124import android.content.pm.PermissionGroupInfo; 125import android.content.pm.PermissionInfo; 126import android.content.pm.ProviderInfo; 127import android.content.pm.ResolveInfo; 128import android.content.pm.ServiceInfo; 129import android.content.pm.Signature; 130import android.content.pm.UserInfo; 131import android.content.pm.VerificationParams; 132import android.content.pm.VerifierDeviceIdentity; 133import android.content.pm.VerifierInfo; 134import android.content.res.Resources; 135import android.hardware.display.DisplayManager; 136import android.net.Uri; 137import android.os.Binder; 138import android.os.Build; 139import android.os.Bundle; 140import android.os.Environment; 141import android.os.Environment.UserEnvironment; 142import android.os.FileObserver; 143import android.os.FileUtils; 144import android.os.Handler; 145import android.os.IBinder; 146import android.os.Looper; 147import android.os.Message; 148import android.os.Parcel; 149import android.os.ParcelFileDescriptor; 150import android.os.Process; 151import android.os.RemoteException; 152import android.os.SELinux; 153import android.os.ServiceManager; 154import android.os.SystemClock; 155import android.os.SystemProperties; 156import android.os.UserHandle; 157import android.os.UserManager; 158import android.security.KeyStore; 159import android.security.SystemKeyStore; 160import android.system.ErrnoException; 161import android.system.Os; 162import android.system.StructStat; 163import android.text.TextUtils; 164import android.util.ArraySet; 165import android.util.AtomicFile; 166import android.util.DisplayMetrics; 167import android.util.EventLog; 168import android.util.ExceptionUtils; 169import android.util.Log; 170import android.util.LogPrinter; 171import android.util.PrintStreamPrinter; 172import android.util.Slog; 173import android.util.SparseArray; 174import android.util.SparseBooleanArray; 175import android.view.Display; 176 177import java.io.BufferedInputStream; 178import java.io.BufferedOutputStream; 179import java.io.File; 180import java.io.FileDescriptor; 181import java.io.FileInputStream; 182import java.io.FileNotFoundException; 183import java.io.FileOutputStream; 184import java.io.FilenameFilter; 185import java.io.IOException; 186import java.io.InputStream; 187import java.io.PrintWriter; 188import java.nio.charset.StandardCharsets; 189import java.security.NoSuchAlgorithmException; 190import java.security.PublicKey; 191import java.security.cert.CertificateEncodingException; 192import java.security.cert.CertificateException; 193import java.text.SimpleDateFormat; 194import java.util.ArrayList; 195import java.util.Arrays; 196import java.util.Collection; 197import java.util.Collections; 198import java.util.Comparator; 199import java.util.Date; 200import java.util.HashMap; 201import java.util.HashSet; 202import java.util.Iterator; 203import java.util.List; 204import java.util.Map; 205import java.util.Set; 206import java.util.concurrent.atomic.AtomicBoolean; 207import java.util.concurrent.atomic.AtomicLong; 208 209import dalvik.system.DexFile; 210import dalvik.system.StaleDexCacheError; 211import dalvik.system.VMRuntime; 212 213import libcore.io.IoUtils; 214 215/** 216 * Keep track of all those .apks everywhere. 217 * 218 * This is very central to the platform's security; please run the unit 219 * tests whenever making modifications here: 220 * 221mmm frameworks/base/tests/AndroidTests 222adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 223adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 224 * 225 * {@hide} 226 */ 227public class PackageManagerService extends IPackageManager.Stub { 228 static final String TAG = "PackageManager"; 229 static final boolean DEBUG_SETTINGS = false; 230 static final boolean DEBUG_PREFERRED = false; 231 static final boolean DEBUG_UPGRADE = false; 232 private static final boolean DEBUG_INSTALL = false; 233 private static final boolean DEBUG_REMOVE = false; 234 private static final boolean DEBUG_BROADCASTS = false; 235 private static final boolean DEBUG_SHOW_INFO = false; 236 private static final boolean DEBUG_PACKAGE_INFO = false; 237 private static final boolean DEBUG_INTENT_MATCHING = false; 238 private static final boolean DEBUG_PACKAGE_SCANNING = false; 239 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 240 private static final boolean DEBUG_VERIFY = false; 241 private static final boolean DEBUG_DEXOPT = false; 242 private static final boolean DEBUG_ABI_SELECTION = false; 243 244 private static final int RADIO_UID = Process.PHONE_UID; 245 private static final int LOG_UID = Process.LOG_UID; 246 private static final int NFC_UID = Process.NFC_UID; 247 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 248 private static final int SHELL_UID = Process.SHELL_UID; 249 250 // Cap the size of permission trees that 3rd party apps can define 251 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 252 253 private static final int REMOVE_EVENTS = 254 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 255 private static final int ADD_EVENTS = 256 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 257 258 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 259 // Suffix used during package installation when copying/moving 260 // package apks to install directory. 261 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 262 263 static final int SCAN_MONITOR = 1<<0; 264 static final int SCAN_NO_DEX = 1<<1; 265 static final int SCAN_FORCE_DEX = 1<<2; 266 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 267 static final int SCAN_NEW_INSTALL = 1<<4; 268 static final int SCAN_NO_PATHS = 1<<5; 269 static final int SCAN_UPDATE_TIME = 1<<6; 270 static final int SCAN_DEFER_DEX = 1<<7; 271 static final int SCAN_BOOTING = 1<<8; 272 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 273 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 274 275 static final int REMOVE_CHATTY = 1<<16; 276 277 /** 278 * Timeout (in milliseconds) after which the watchdog should declare that 279 * our handler thread is wedged. The usual default for such things is one 280 * minute but we sometimes do very lengthy I/O operations on this thread, 281 * such as installing multi-gigabyte applications, so ours needs to be longer. 282 */ 283 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 284 285 /** 286 * Whether verification is enabled by default. 287 */ 288 private static final boolean DEFAULT_VERIFY_ENABLE = true; 289 290 /** 291 * The default maximum time to wait for the verification agent to return in 292 * milliseconds. 293 */ 294 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 295 296 /** 297 * The default response for package verification timeout. 298 * 299 * This can be either PackageManager.VERIFICATION_ALLOW or 300 * PackageManager.VERIFICATION_REJECT. 301 */ 302 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 303 304 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 305 306 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 307 DEFAULT_CONTAINER_PACKAGE, 308 "com.android.defcontainer.DefaultContainerService"); 309 310 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 311 312 private static final String LIB_DIR_NAME = "lib"; 313 private static final String LIB64_DIR_NAME = "lib64"; 314 315 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 316 317 static final String mTempContainerPrefix = "smdl2tmp"; 318 319 private static String sPreferredInstructionSet; 320 321 final ServiceThread mHandlerThread; 322 323 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 324 private static final String IDMAP_SUFFIX = "@idmap"; 325 326 final PackageHandler mHandler; 327 328 final int mSdkVersion = Build.VERSION.SDK_INT; 329 330 final Context mContext; 331 final boolean mFactoryTest; 332 final boolean mOnlyCore; 333 final DisplayMetrics mMetrics; 334 final int mDefParseFlags; 335 final String[] mSeparateProcesses; 336 337 // This is where all application persistent data goes. 338 final File mAppDataDir; 339 340 // This is where all application persistent data goes for secondary users. 341 final File mUserAppDataDir; 342 343 /** The location for ASEC container files on internal storage. */ 344 final String mAsecInternalPath; 345 346 // This is the object monitoring the framework dir. 347 final FileObserver mFrameworkInstallObserver; 348 349 // This is the object monitoring the system app dir. 350 final FileObserver mSystemInstallObserver; 351 352 // This is the object monitoring the privileged system app dir. 353 final FileObserver mPrivilegedInstallObserver; 354 355 // This is the object monitoring the vendor app dir. 356 final FileObserver mVendorInstallObserver; 357 358 // This is the object monitoring the vendor overlay package dir. 359 final FileObserver mVendorOverlayInstallObserver; 360 361 // This is the object monitoring the OEM app dir. 362 final FileObserver mOemInstallObserver; 363 364 // This is the object monitoring mAppInstallDir. 365 final FileObserver mAppInstallObserver; 366 367 // This is the object monitoring mDrmAppPrivateInstallDir. 368 final FileObserver mDrmAppInstallObserver; 369 370 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 371 // LOCK HELD. Can be called with mInstallLock held. 372 final Installer mInstaller; 373 374 /** Directory where installed third-party apps stored */ 375 final File mAppInstallDir; 376 377 /** 378 * Directory to which applications installed internally have their 379 * 32 bit native libraries copied. 380 */ 381 private File mAppLib32InstallDir; 382 383 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 384 // apps. 385 final File mDrmAppPrivateInstallDir; 386 387 // ---------------------------------------------------------------- 388 389 // Lock for state used when installing and doing other long running 390 // operations. Methods that must be called with this lock held have 391 // the suffix "LI". 392 final Object mInstallLock = new Object(); 393 394 // These are the directories in the 3rd party applications installed dir 395 // that we have currently loaded packages from. Keys are the application's 396 // installed zip file (absolute codePath), and values are Package. 397 final HashMap<String, PackageParser.Package> mAppDirs = 398 new HashMap<String, PackageParser.Package>(); 399 400 // ---------------------------------------------------------------- 401 402 // Keys are String (package name), values are Package. This also serves 403 // as the lock for the global state. Methods that must be called with 404 // this lock held have the prefix "LP". 405 final HashMap<String, PackageParser.Package> mPackages = 406 new HashMap<String, PackageParser.Package>(); 407 408 // Tracks available target package names -> overlay package paths. 409 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 410 new HashMap<String, HashMap<String, PackageParser.Package>>(); 411 412 final Settings mSettings; 413 boolean mRestoredSettings; 414 415 // System configuration read by SystemConfig. 416 final int[] mGlobalGids; 417 final SparseArray<HashSet<String>> mSystemPermissions; 418 final HashMap<String, FeatureInfo> mAvailableFeatures; 419 420 // If mac_permissions.xml was found for seinfo labeling. 421 boolean mFoundPolicyFile; 422 423 // If a recursive restorecon of /data/data/<pkg> is needed. 424 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 425 426 public static final class SharedLibraryEntry { 427 public final String path; 428 public final String apk; 429 430 SharedLibraryEntry(String _path, String _apk) { 431 path = _path; 432 apk = _apk; 433 } 434 } 435 436 // Currently known shared libraries. 437 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 438 new HashMap<String, SharedLibraryEntry>(); 439 440 // All available activities, for your resolving pleasure. 441 final ActivityIntentResolver mActivities = 442 new ActivityIntentResolver(); 443 444 // All available receivers, for your resolving pleasure. 445 final ActivityIntentResolver mReceivers = 446 new ActivityIntentResolver(); 447 448 // All available services, for your resolving pleasure. 449 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 450 451 // All available providers, for your resolving pleasure. 452 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 453 454 // Mapping from provider base names (first directory in content URI codePath) 455 // to the provider information. 456 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 457 new HashMap<String, PackageParser.Provider>(); 458 459 // Mapping from instrumentation class names to info about them. 460 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 461 new HashMap<ComponentName, PackageParser.Instrumentation>(); 462 463 // Mapping from permission names to info about them. 464 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 465 new HashMap<String, PackageParser.PermissionGroup>(); 466 467 // Packages whose data we have transfered into another package, thus 468 // should no longer exist. 469 final HashSet<String> mTransferedPackages = new HashSet<String>(); 470 471 // Broadcast actions that are only available to the system. 472 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 473 474 /** List of packages waiting for verification. */ 475 final SparseArray<PackageVerificationState> mPendingVerification 476 = new SparseArray<PackageVerificationState>(); 477 478 final PackageInstallerService mInstallerService; 479 480 HashSet<PackageParser.Package> mDeferredDexOpt = null; 481 482 // Cache of users who need badging. 483 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 484 485 /** Token for keys in mPendingVerification. */ 486 private int mPendingVerificationToken = 0; 487 488 boolean mSystemReady; 489 boolean mSafeMode; 490 boolean mHasSystemUidErrors; 491 492 ApplicationInfo mAndroidApplication; 493 final ActivityInfo mResolveActivity = new ActivityInfo(); 494 final ResolveInfo mResolveInfo = new ResolveInfo(); 495 ComponentName mResolveComponentName; 496 PackageParser.Package mPlatformPackage; 497 ComponentName mCustomResolverComponentName; 498 499 boolean mResolverReplaced = false; 500 501 // Set of pending broadcasts for aggregating enable/disable of components. 502 static class PendingPackageBroadcasts { 503 // for each user id, a map of <package name -> components within that package> 504 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 505 506 public PendingPackageBroadcasts() { 507 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 508 } 509 510 public ArrayList<String> get(int userId, String packageName) { 511 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 512 return packages.get(packageName); 513 } 514 515 public void put(int userId, String packageName, ArrayList<String> components) { 516 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 517 packages.put(packageName, components); 518 } 519 520 public void remove(int userId, String packageName) { 521 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 522 if (packages != null) { 523 packages.remove(packageName); 524 } 525 } 526 527 public void remove(int userId) { 528 mUidMap.remove(userId); 529 } 530 531 public int userIdCount() { 532 return mUidMap.size(); 533 } 534 535 public int userIdAt(int n) { 536 return mUidMap.keyAt(n); 537 } 538 539 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 540 return mUidMap.get(userId); 541 } 542 543 public int size() { 544 // total number of pending broadcast entries across all userIds 545 int num = 0; 546 for (int i = 0; i< mUidMap.size(); i++) { 547 num += mUidMap.valueAt(i).size(); 548 } 549 return num; 550 } 551 552 public void clear() { 553 mUidMap.clear(); 554 } 555 556 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 557 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 558 if (map == null) { 559 map = new HashMap<String, ArrayList<String>>(); 560 mUidMap.put(userId, map); 561 } 562 return map; 563 } 564 } 565 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 566 567 // Service Connection to remote media container service to copy 568 // package uri's from external media onto secure containers 569 // or internal storage. 570 private IMediaContainerService mContainerService = null; 571 572 static final int SEND_PENDING_BROADCAST = 1; 573 static final int MCS_BOUND = 3; 574 static final int END_COPY = 4; 575 static final int INIT_COPY = 5; 576 static final int MCS_UNBIND = 6; 577 static final int START_CLEANING_PACKAGE = 7; 578 static final int FIND_INSTALL_LOC = 8; 579 static final int POST_INSTALL = 9; 580 static final int MCS_RECONNECT = 10; 581 static final int MCS_GIVE_UP = 11; 582 static final int UPDATED_MEDIA_STATUS = 12; 583 static final int WRITE_SETTINGS = 13; 584 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 585 static final int PACKAGE_VERIFIED = 15; 586 static final int CHECK_PENDING_VERIFICATION = 16; 587 588 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 589 590 // Delay time in millisecs 591 static final int BROADCAST_DELAY = 10 * 1000; 592 593 static UserManagerService sUserManager; 594 595 // Stores a list of users whose package restrictions file needs to be updated 596 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 597 598 final private DefaultContainerConnection mDefContainerConn = 599 new DefaultContainerConnection(); 600 class DefaultContainerConnection implements ServiceConnection { 601 public void onServiceConnected(ComponentName name, IBinder service) { 602 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 603 IMediaContainerService imcs = 604 IMediaContainerService.Stub.asInterface(service); 605 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 606 } 607 608 public void onServiceDisconnected(ComponentName name) { 609 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 610 } 611 }; 612 613 // Recordkeeping of restore-after-install operations that are currently in flight 614 // between the Package Manager and the Backup Manager 615 class PostInstallData { 616 public InstallArgs args; 617 public PackageInstalledInfo res; 618 619 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 620 args = _a; 621 res = _r; 622 } 623 }; 624 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 625 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 626 627 private final String mRequiredVerifierPackage; 628 629 private final PackageUsage mPackageUsage = new PackageUsage(); 630 631 private class PackageUsage { 632 private static final int WRITE_INTERVAL 633 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 634 635 private final Object mFileLock = new Object(); 636 private final AtomicLong mLastWritten = new AtomicLong(0); 637 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 638 639 private boolean mIsHistoricalPackageUsageAvailable = true; 640 641 boolean isHistoricalPackageUsageAvailable() { 642 return mIsHistoricalPackageUsageAvailable; 643 } 644 645 void write(boolean force) { 646 if (force) { 647 writeInternal(); 648 return; 649 } 650 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 651 && !DEBUG_DEXOPT) { 652 return; 653 } 654 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 655 new Thread("PackageUsage_DiskWriter") { 656 @Override 657 public void run() { 658 try { 659 writeInternal(); 660 } finally { 661 mBackgroundWriteRunning.set(false); 662 } 663 } 664 }.start(); 665 } 666 } 667 668 private void writeInternal() { 669 synchronized (mPackages) { 670 synchronized (mFileLock) { 671 AtomicFile file = getFile(); 672 FileOutputStream f = null; 673 try { 674 f = file.startWrite(); 675 BufferedOutputStream out = new BufferedOutputStream(f); 676 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 677 StringBuilder sb = new StringBuilder(); 678 for (PackageParser.Package pkg : mPackages.values()) { 679 if (pkg.mLastPackageUsageTimeInMills == 0) { 680 continue; 681 } 682 sb.setLength(0); 683 sb.append(pkg.packageName); 684 sb.append(' '); 685 sb.append((long)pkg.mLastPackageUsageTimeInMills); 686 sb.append('\n'); 687 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 688 } 689 out.flush(); 690 file.finishWrite(f); 691 } catch (IOException e) { 692 if (f != null) { 693 file.failWrite(f); 694 } 695 Log.e(TAG, "Failed to write package usage times", e); 696 } 697 } 698 } 699 mLastWritten.set(SystemClock.elapsedRealtime()); 700 } 701 702 void readLP() { 703 synchronized (mFileLock) { 704 AtomicFile file = getFile(); 705 BufferedInputStream in = null; 706 try { 707 in = new BufferedInputStream(file.openRead()); 708 StringBuffer sb = new StringBuffer(); 709 while (true) { 710 String packageName = readToken(in, sb, ' '); 711 if (packageName == null) { 712 break; 713 } 714 String timeInMillisString = readToken(in, sb, '\n'); 715 if (timeInMillisString == null) { 716 throw new IOException("Failed to find last usage time for package " 717 + packageName); 718 } 719 PackageParser.Package pkg = mPackages.get(packageName); 720 if (pkg == null) { 721 continue; 722 } 723 long timeInMillis; 724 try { 725 timeInMillis = Long.parseLong(timeInMillisString.toString()); 726 } catch (NumberFormatException e) { 727 throw new IOException("Failed to parse " + timeInMillisString 728 + " as a long.", e); 729 } 730 pkg.mLastPackageUsageTimeInMills = timeInMillis; 731 } 732 } catch (FileNotFoundException expected) { 733 mIsHistoricalPackageUsageAvailable = false; 734 } catch (IOException e) { 735 Log.w(TAG, "Failed to read package usage times", e); 736 } finally { 737 IoUtils.closeQuietly(in); 738 } 739 } 740 mLastWritten.set(SystemClock.elapsedRealtime()); 741 } 742 743 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 744 throws IOException { 745 sb.setLength(0); 746 while (true) { 747 int ch = in.read(); 748 if (ch == -1) { 749 if (sb.length() == 0) { 750 return null; 751 } 752 throw new IOException("Unexpected EOF"); 753 } 754 if (ch == endOfToken) { 755 return sb.toString(); 756 } 757 sb.append((char)ch); 758 } 759 } 760 761 private AtomicFile getFile() { 762 File dataDir = Environment.getDataDirectory(); 763 File systemDir = new File(dataDir, "system"); 764 File fname = new File(systemDir, "package-usage.list"); 765 return new AtomicFile(fname); 766 } 767 } 768 769 class PackageHandler extends Handler { 770 private boolean mBound = false; 771 final ArrayList<HandlerParams> mPendingInstalls = 772 new ArrayList<HandlerParams>(); 773 774 private boolean connectToService() { 775 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 776 " DefaultContainerService"); 777 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 if (mContext.bindServiceAsUser(service, mDefContainerConn, 780 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 781 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 782 mBound = true; 783 return true; 784 } 785 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 786 return false; 787 } 788 789 private void disconnectService() { 790 mContainerService = null; 791 mBound = false; 792 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 793 mContext.unbindService(mDefContainerConn); 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 } 796 797 PackageHandler(Looper looper) { 798 super(looper); 799 } 800 801 public void handleMessage(Message msg) { 802 try { 803 doHandleMessage(msg); 804 } finally { 805 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 806 } 807 } 808 809 void doHandleMessage(Message msg) { 810 switch (msg.what) { 811 case INIT_COPY: { 812 HandlerParams params = (HandlerParams) msg.obj; 813 int idx = mPendingInstalls.size(); 814 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 815 // If a bind was already initiated we dont really 816 // need to do anything. The pending install 817 // will be processed later on. 818 if (!mBound) { 819 // If this is the only one pending we might 820 // have to bind to the service again. 821 if (!connectToService()) { 822 Slog.e(TAG, "Failed to bind to media container service"); 823 params.serviceError(); 824 return; 825 } else { 826 // Once we bind to the service, the first 827 // pending request will be processed. 828 mPendingInstalls.add(idx, params); 829 } 830 } else { 831 mPendingInstalls.add(idx, params); 832 // Already bound to the service. Just make 833 // sure we trigger off processing the first request. 834 if (idx == 0) { 835 mHandler.sendEmptyMessage(MCS_BOUND); 836 } 837 } 838 break; 839 } 840 case MCS_BOUND: { 841 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 842 if (msg.obj != null) { 843 mContainerService = (IMediaContainerService) msg.obj; 844 } 845 if (mContainerService == null) { 846 // Something seriously wrong. Bail out 847 Slog.e(TAG, "Cannot bind to media container service"); 848 for (HandlerParams params : mPendingInstalls) { 849 // Indicate service bind error 850 params.serviceError(); 851 } 852 mPendingInstalls.clear(); 853 } else if (mPendingInstalls.size() > 0) { 854 HandlerParams params = mPendingInstalls.get(0); 855 if (params != null) { 856 if (params.startCopy()) { 857 // We are done... look for more work or to 858 // go idle. 859 if (DEBUG_SD_INSTALL) Log.i(TAG, 860 "Checking for more work or unbind..."); 861 // Delete pending install 862 if (mPendingInstalls.size() > 0) { 863 mPendingInstalls.remove(0); 864 } 865 if (mPendingInstalls.size() == 0) { 866 if (mBound) { 867 if (DEBUG_SD_INSTALL) Log.i(TAG, 868 "Posting delayed MCS_UNBIND"); 869 removeMessages(MCS_UNBIND); 870 Message ubmsg = obtainMessage(MCS_UNBIND); 871 // Unbind after a little delay, to avoid 872 // continual thrashing. 873 sendMessageDelayed(ubmsg, 10000); 874 } 875 } else { 876 // There are more pending requests in queue. 877 // Just post MCS_BOUND message to trigger processing 878 // of next pending install. 879 if (DEBUG_SD_INSTALL) Log.i(TAG, 880 "Posting MCS_BOUND for next work"); 881 mHandler.sendEmptyMessage(MCS_BOUND); 882 } 883 } 884 } 885 } else { 886 // Should never happen ideally. 887 Slog.w(TAG, "Empty queue"); 888 } 889 break; 890 } 891 case MCS_RECONNECT: { 892 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 893 if (mPendingInstalls.size() > 0) { 894 if (mBound) { 895 disconnectService(); 896 } 897 if (!connectToService()) { 898 Slog.e(TAG, "Failed to bind to media container service"); 899 for (HandlerParams params : mPendingInstalls) { 900 // Indicate service bind error 901 params.serviceError(); 902 } 903 mPendingInstalls.clear(); 904 } 905 } 906 break; 907 } 908 case MCS_UNBIND: { 909 // If there is no actual work left, then time to unbind. 910 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 911 912 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 913 if (mBound) { 914 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 915 916 disconnectService(); 917 } 918 } else if (mPendingInstalls.size() > 0) { 919 // There are more pending requests in queue. 920 // Just post MCS_BOUND message to trigger processing 921 // of next pending install. 922 mHandler.sendEmptyMessage(MCS_BOUND); 923 } 924 925 break; 926 } 927 case MCS_GIVE_UP: { 928 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 929 mPendingInstalls.remove(0); 930 break; 931 } 932 case SEND_PENDING_BROADCAST: { 933 String packages[]; 934 ArrayList<String> components[]; 935 int size = 0; 936 int uids[]; 937 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 938 synchronized (mPackages) { 939 if (mPendingBroadcasts == null) { 940 return; 941 } 942 size = mPendingBroadcasts.size(); 943 if (size <= 0) { 944 // Nothing to be done. Just return 945 return; 946 } 947 packages = new String[size]; 948 components = new ArrayList[size]; 949 uids = new int[size]; 950 int i = 0; // filling out the above arrays 951 952 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 953 int packageUserId = mPendingBroadcasts.userIdAt(n); 954 Iterator<Map.Entry<String, ArrayList<String>>> it 955 = mPendingBroadcasts.packagesForUserId(packageUserId) 956 .entrySet().iterator(); 957 while (it.hasNext() && i < size) { 958 Map.Entry<String, ArrayList<String>> ent = it.next(); 959 packages[i] = ent.getKey(); 960 components[i] = ent.getValue(); 961 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 962 uids[i] = (ps != null) 963 ? UserHandle.getUid(packageUserId, ps.appId) 964 : -1; 965 i++; 966 } 967 } 968 size = i; 969 mPendingBroadcasts.clear(); 970 } 971 // Send broadcasts 972 for (int i = 0; i < size; i++) { 973 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 974 } 975 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 976 break; 977 } 978 case START_CLEANING_PACKAGE: { 979 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 980 final String packageName = (String)msg.obj; 981 final int userId = msg.arg1; 982 final boolean andCode = msg.arg2 != 0; 983 synchronized (mPackages) { 984 if (userId == UserHandle.USER_ALL) { 985 int[] users = sUserManager.getUserIds(); 986 for (int user : users) { 987 mSettings.addPackageToCleanLPw( 988 new PackageCleanItem(user, packageName, andCode)); 989 } 990 } else { 991 mSettings.addPackageToCleanLPw( 992 new PackageCleanItem(userId, packageName, andCode)); 993 } 994 } 995 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 996 startCleaningPackages(); 997 } break; 998 case POST_INSTALL: { 999 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1000 PostInstallData data = mRunningInstalls.get(msg.arg1); 1001 mRunningInstalls.delete(msg.arg1); 1002 boolean deleteOld = false; 1003 1004 if (data != null) { 1005 InstallArgs args = data.args; 1006 PackageInstalledInfo res = data.res; 1007 1008 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1009 res.removedInfo.sendBroadcast(false, true, false); 1010 Bundle extras = new Bundle(1); 1011 extras.putInt(Intent.EXTRA_UID, res.uid); 1012 // Determine the set of users who are adding this 1013 // package for the first time vs. those who are seeing 1014 // an update. 1015 int[] firstUsers; 1016 int[] updateUsers = new int[0]; 1017 if (res.origUsers == null || res.origUsers.length == 0) { 1018 firstUsers = res.newUsers; 1019 } else { 1020 firstUsers = new int[0]; 1021 for (int i=0; i<res.newUsers.length; i++) { 1022 int user = res.newUsers[i]; 1023 boolean isNew = true; 1024 for (int j=0; j<res.origUsers.length; j++) { 1025 if (res.origUsers[j] == user) { 1026 isNew = false; 1027 break; 1028 } 1029 } 1030 if (isNew) { 1031 int[] newFirst = new int[firstUsers.length+1]; 1032 System.arraycopy(firstUsers, 0, newFirst, 0, 1033 firstUsers.length); 1034 newFirst[firstUsers.length] = user; 1035 firstUsers = newFirst; 1036 } else { 1037 int[] newUpdate = new int[updateUsers.length+1]; 1038 System.arraycopy(updateUsers, 0, newUpdate, 0, 1039 updateUsers.length); 1040 newUpdate[updateUsers.length] = user; 1041 updateUsers = newUpdate; 1042 } 1043 } 1044 } 1045 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1046 res.pkg.applicationInfo.packageName, 1047 extras, null, null, firstUsers); 1048 final boolean update = res.removedInfo.removedPackage != null; 1049 if (update) { 1050 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1051 } 1052 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1053 res.pkg.applicationInfo.packageName, 1054 extras, null, null, updateUsers); 1055 if (update) { 1056 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1057 res.pkg.applicationInfo.packageName, 1058 extras, null, null, updateUsers); 1059 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1060 null, null, 1061 res.pkg.applicationInfo.packageName, null, updateUsers); 1062 1063 // treat asec-hosted packages like removable media on upgrade 1064 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1065 if (DEBUG_INSTALL) { 1066 Slog.i(TAG, "upgrading pkg " + res.pkg 1067 + " is ASEC-hosted -> AVAILABLE"); 1068 } 1069 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1070 ArrayList<String> pkgList = new ArrayList<String>(1); 1071 pkgList.add(res.pkg.applicationInfo.packageName); 1072 sendResourcesChangedBroadcast(true, true, 1073 pkgList,uidArray, null); 1074 } 1075 } 1076 if (res.removedInfo.args != null) { 1077 // Remove the replaced package's older resources safely now 1078 deleteOld = true; 1079 } 1080 1081 // Log current value of "unknown sources" setting 1082 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1083 getUnknownSourcesSettings()); 1084 } 1085 // Force a gc to clear up things 1086 Runtime.getRuntime().gc(); 1087 // We delete after a gc for applications on sdcard. 1088 if (deleteOld) { 1089 synchronized (mInstallLock) { 1090 res.removedInfo.args.doPostDeleteLI(true); 1091 } 1092 } 1093 if (args.observer != null) { 1094 try { 1095 Bundle extras = extrasForInstallResult(res); 1096 args.observer.packageInstalled(res.name, extras, res.returnCode, 1097 res.returnMsg); 1098 } catch (RemoteException e) { 1099 Slog.i(TAG, "Observer no longer exists."); 1100 } 1101 } 1102 } else { 1103 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1104 } 1105 } break; 1106 case UPDATED_MEDIA_STATUS: { 1107 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1108 boolean reportStatus = msg.arg1 == 1; 1109 boolean doGc = msg.arg2 == 1; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1111 if (doGc) { 1112 // Force a gc to clear up stale containers. 1113 Runtime.getRuntime().gc(); 1114 } 1115 if (msg.obj != null) { 1116 @SuppressWarnings("unchecked") 1117 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1118 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1119 // Unload containers 1120 unloadAllContainers(args); 1121 } 1122 if (reportStatus) { 1123 try { 1124 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1125 PackageHelper.getMountService().finishMediaUpdate(); 1126 } catch (RemoteException e) { 1127 Log.e(TAG, "MountService not running?"); 1128 } 1129 } 1130 } break; 1131 case WRITE_SETTINGS: { 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1133 synchronized (mPackages) { 1134 removeMessages(WRITE_SETTINGS); 1135 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1136 mSettings.writeLPr(); 1137 mDirtyUsers.clear(); 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } break; 1141 case WRITE_PACKAGE_RESTRICTIONS: { 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1143 synchronized (mPackages) { 1144 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1145 for (int userId : mDirtyUsers) { 1146 mSettings.writePackageRestrictionsLPr(userId); 1147 } 1148 mDirtyUsers.clear(); 1149 } 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 } break; 1152 case CHECK_PENDING_VERIFICATION: { 1153 final int verificationId = msg.arg1; 1154 final PackageVerificationState state = mPendingVerification.get(verificationId); 1155 1156 if ((state != null) && !state.timeoutExtended()) { 1157 final InstallArgs args = state.getInstallArgs(); 1158 final Uri originUri = Uri.fromFile(args.originFile); 1159 1160 Slog.i(TAG, "Verification timed out for " + originUri); 1161 mPendingVerification.remove(verificationId); 1162 1163 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1164 1165 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1166 Slog.i(TAG, "Continuing with installation of " + originUri); 1167 state.setVerifierResponse(Binder.getCallingUid(), 1168 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1169 broadcastPackageVerified(verificationId, originUri, 1170 PackageManager.VERIFICATION_ALLOW, 1171 state.getInstallArgs().getUser()); 1172 try { 1173 ret = args.copyApk(mContainerService, true); 1174 } catch (RemoteException e) { 1175 Slog.e(TAG, "Could not contact the ContainerService"); 1176 } 1177 } else { 1178 broadcastPackageVerified(verificationId, originUri, 1179 PackageManager.VERIFICATION_REJECT, 1180 state.getInstallArgs().getUser()); 1181 } 1182 1183 processPendingInstall(args, ret); 1184 mHandler.sendEmptyMessage(MCS_UNBIND); 1185 } 1186 break; 1187 } 1188 case PACKAGE_VERIFIED: { 1189 final int verificationId = msg.arg1; 1190 1191 final PackageVerificationState state = mPendingVerification.get(verificationId); 1192 if (state == null) { 1193 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1194 break; 1195 } 1196 1197 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1198 1199 state.setVerifierResponse(response.callerUid, response.code); 1200 1201 if (state.isVerificationComplete()) { 1202 mPendingVerification.remove(verificationId); 1203 1204 final InstallArgs args = state.getInstallArgs(); 1205 final Uri originUri = Uri.fromFile(args.originFile); 1206 1207 int ret; 1208 if (state.isInstallAllowed()) { 1209 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1210 broadcastPackageVerified(verificationId, originUri, 1211 response.code, state.getInstallArgs().getUser()); 1212 try { 1213 ret = args.copyApk(mContainerService, true); 1214 } catch (RemoteException e) { 1215 Slog.e(TAG, "Could not contact the ContainerService"); 1216 } 1217 } else { 1218 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1219 } 1220 1221 processPendingInstall(args, ret); 1222 1223 mHandler.sendEmptyMessage(MCS_UNBIND); 1224 } 1225 1226 break; 1227 } 1228 } 1229 } 1230 } 1231 1232 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1233 Bundle extras = null; 1234 switch (res.returnCode) { 1235 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1236 extras = new Bundle(); 1237 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1238 res.origPermission); 1239 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1240 res.origPackage); 1241 break; 1242 } 1243 } 1244 return extras; 1245 } 1246 1247 void scheduleWriteSettingsLocked() { 1248 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1249 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1250 } 1251 } 1252 1253 void scheduleWritePackageRestrictionsLocked(int userId) { 1254 if (!sUserManager.exists(userId)) return; 1255 mDirtyUsers.add(userId); 1256 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1257 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1258 } 1259 } 1260 1261 public static final PackageManagerService main(Context context, Installer installer, 1262 boolean factoryTest, boolean onlyCore) { 1263 PackageManagerService m = new PackageManagerService(context, installer, 1264 factoryTest, onlyCore); 1265 ServiceManager.addService("package", m); 1266 return m; 1267 } 1268 1269 static String[] splitString(String str, char sep) { 1270 int count = 1; 1271 int i = 0; 1272 while ((i=str.indexOf(sep, i)) >= 0) { 1273 count++; 1274 i++; 1275 } 1276 1277 String[] res = new String[count]; 1278 i=0; 1279 count = 0; 1280 int lastI=0; 1281 while ((i=str.indexOf(sep, i)) >= 0) { 1282 res[count] = str.substring(lastI, i); 1283 count++; 1284 i++; 1285 lastI = i; 1286 } 1287 res[count] = str.substring(lastI, str.length()); 1288 return res; 1289 } 1290 1291 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1292 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1293 Context.DISPLAY_SERVICE); 1294 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1295 } 1296 1297 public PackageManagerService(Context context, Installer installer, 1298 boolean factoryTest, boolean onlyCore) { 1299 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1300 SystemClock.uptimeMillis()); 1301 1302 if (mSdkVersion <= 0) { 1303 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1304 } 1305 1306 mContext = context; 1307 mFactoryTest = factoryTest; 1308 mOnlyCore = onlyCore; 1309 mMetrics = new DisplayMetrics(); 1310 mSettings = new Settings(context); 1311 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1314 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1315 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1316 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1317 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1318 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1319 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1320 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1321 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1322 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1323 1324 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1325 if (separateProcesses != null && separateProcesses.length() > 0) { 1326 if ("*".equals(separateProcesses)) { 1327 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1328 mSeparateProcesses = null; 1329 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1330 } else { 1331 mDefParseFlags = 0; 1332 mSeparateProcesses = separateProcesses.split(","); 1333 Slog.w(TAG, "Running with debug.separate_processes: " 1334 + separateProcesses); 1335 } 1336 } else { 1337 mDefParseFlags = 0; 1338 mSeparateProcesses = null; 1339 } 1340 1341 mInstaller = installer; 1342 1343 getDefaultDisplayMetrics(context, mMetrics); 1344 1345 SystemConfig systemConfig = SystemConfig.getInstance(); 1346 mGlobalGids = systemConfig.getGlobalGids(); 1347 mSystemPermissions = systemConfig.getSystemPermissions(); 1348 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1349 1350 synchronized (mInstallLock) { 1351 // writer 1352 synchronized (mPackages) { 1353 mHandlerThread = new ServiceThread(TAG, 1354 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1355 mHandlerThread.start(); 1356 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1357 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1358 1359 File dataDir = Environment.getDataDirectory(); 1360 mAppDataDir = new File(dataDir, "data"); 1361 mAppInstallDir = new File(dataDir, "app"); 1362 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1363 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1364 mUserAppDataDir = new File(dataDir, "user"); 1365 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1366 1367 sUserManager = new UserManagerService(context, this, 1368 mInstallLock, mPackages); 1369 1370 // Propagate permission configuration in to package manager. 1371 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1372 = systemConfig.getPermissions(); 1373 for (int i=0; i<permConfig.size(); i++) { 1374 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1375 BasePermission bp = mSettings.mPermissions.get(perm.name); 1376 if (bp == null) { 1377 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1378 mSettings.mPermissions.put(perm.name, bp); 1379 } 1380 if (perm.gids != null) { 1381 bp.gids = appendInts(bp.gids, perm.gids); 1382 } 1383 } 1384 1385 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1386 for (int i=0; i<libConfig.size(); i++) { 1387 mSharedLibraries.put(libConfig.keyAt(i), 1388 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1389 } 1390 1391 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1392 1393 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1394 mSdkVersion, mOnlyCore); 1395 1396 String customResolverActivity = Resources.getSystem().getString( 1397 R.string.config_customResolverActivity); 1398 if (TextUtils.isEmpty(customResolverActivity)) { 1399 customResolverActivity = null; 1400 } else { 1401 mCustomResolverComponentName = ComponentName.unflattenFromString( 1402 customResolverActivity); 1403 } 1404 1405 long startTime = SystemClock.uptimeMillis(); 1406 1407 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1408 startTime); 1409 1410 // Set flag to monitor and not change apk file paths when 1411 // scanning install directories. 1412 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1413 1414 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1415 1416 /** 1417 * Add everything in the in the boot class path to the 1418 * list of process files because dexopt will have been run 1419 * if necessary during zygote startup. 1420 */ 1421 String bootClassPath = System.getProperty("java.boot.class.path"); 1422 if (bootClassPath != null) { 1423 String[] paths = splitString(bootClassPath, ':'); 1424 for (int i=0; i<paths.length; i++) { 1425 alreadyDexOpted.add(paths[i]); 1426 } 1427 } else { 1428 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1429 } 1430 1431 boolean didDexOptLibraryOrTool = false; 1432 1433 final List<String> instructionSets = getAllInstructionSets(); 1434 1435 /** 1436 * Ensure all external libraries have had dexopt run on them. 1437 */ 1438 if (mSharedLibraries.size() > 0) { 1439 // NOTE: For now, we're compiling these system "shared libraries" 1440 // (and framework jars) into all available architectures. It's possible 1441 // to compile them only when we come across an app that uses them (there's 1442 // already logic for that in scanPackageLI) but that adds some complexity. 1443 for (String instructionSet : instructionSets) { 1444 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1445 final String lib = libEntry.path; 1446 if (lib == null) { 1447 continue; 1448 } 1449 1450 try { 1451 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1452 alreadyDexOpted.add(lib); 1453 1454 // The list of "shared libraries" we have at this point is 1455 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1456 didDexOptLibraryOrTool = true; 1457 } 1458 } catch (FileNotFoundException e) { 1459 Slog.w(TAG, "Library not found: " + lib); 1460 } catch (IOException e) { 1461 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1462 + e.getMessage()); 1463 } 1464 } 1465 } 1466 } 1467 1468 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1469 1470 // Gross hack for now: we know this file doesn't contain any 1471 // code, so don't dexopt it to avoid the resulting log spew. 1472 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1473 1474 // Gross hack for now: we know this file is only part of 1475 // the boot class path for art, so don't dexopt it to 1476 // avoid the resulting log spew. 1477 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1478 1479 /** 1480 * And there are a number of commands implemented in Java, which 1481 * we currently need to do the dexopt on so that they can be 1482 * run from a non-root shell. 1483 */ 1484 String[] frameworkFiles = frameworkDir.list(); 1485 if (frameworkFiles != null) { 1486 // TODO: We could compile these only for the most preferred ABI. We should 1487 // first double check that the dex files for these commands are not referenced 1488 // by other system apps. 1489 for (String instructionSet : instructionSets) { 1490 for (int i=0; i<frameworkFiles.length; i++) { 1491 File libPath = new File(frameworkDir, frameworkFiles[i]); 1492 String path = libPath.getPath(); 1493 // Skip the file if we already did it. 1494 if (alreadyDexOpted.contains(path)) { 1495 continue; 1496 } 1497 // Skip the file if it is not a type we want to dexopt. 1498 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1499 continue; 1500 } 1501 try { 1502 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1503 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1504 didDexOptLibraryOrTool = true; 1505 } 1506 } catch (FileNotFoundException e) { 1507 Slog.w(TAG, "Jar not found: " + path); 1508 } catch (IOException e) { 1509 Slog.w(TAG, "Exception reading jar: " + path, e); 1510 } 1511 } 1512 } 1513 } 1514 1515 if (didDexOptLibraryOrTool) { 1516 // If we dexopted a library or tool, then something on the system has 1517 // changed. Consider this significant, and wipe away all other 1518 // existing dexopt files to ensure we don't leave any dangling around. 1519 // 1520 // TODO: This should be revisited because it isn't as good an indicator 1521 // as it used to be. It used to include the boot classpath but at some point 1522 // DexFile.isDexOptNeeded started returning false for the boot 1523 // class path files in all cases. It is very possible in a 1524 // small maintenance release update that the library and tool 1525 // jars may be unchanged but APK could be removed resulting in 1526 // unused dalvik-cache files. 1527 for (String instructionSet : instructionSets) { 1528 mInstaller.pruneDexCache(instructionSet); 1529 } 1530 1531 // Additionally, delete all dex files from the root directory 1532 // since there shouldn't be any there anyway, unless we're upgrading 1533 // from an older OS version or a build that contained the "old" style 1534 // flat scheme. 1535 mInstaller.pruneDexCache("."); 1536 } 1537 1538 // Collect vendor overlay packages. 1539 // (Do this before scanning any apps.) 1540 // For security and version matching reason, only consider 1541 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1542 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1543 mVendorOverlayInstallObserver = new AppDirObserver( 1544 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1545 mVendorOverlayInstallObserver.startWatching(); 1546 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1548 1549 // Find base frameworks (resource packages without code). 1550 mFrameworkInstallObserver = new AppDirObserver( 1551 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1552 mFrameworkInstallObserver.startWatching(); 1553 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1554 | PackageParser.PARSE_IS_SYSTEM_DIR 1555 | PackageParser.PARSE_IS_PRIVILEGED, 1556 scanMode | SCAN_NO_DEX, 0); 1557 1558 // Collected privileged system packages. 1559 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1560 mPrivilegedInstallObserver = new AppDirObserver( 1561 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1562 mPrivilegedInstallObserver.startWatching(); 1563 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1564 | PackageParser.PARSE_IS_SYSTEM_DIR 1565 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1566 1567 // Collect ordinary system packages. 1568 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1569 mSystemInstallObserver = new AppDirObserver( 1570 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1571 mSystemInstallObserver.startWatching(); 1572 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1573 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1574 1575 // Collect all vendor packages. 1576 File vendorAppDir = new File("/vendor/app"); 1577 try { 1578 vendorAppDir = vendorAppDir.getCanonicalFile(); 1579 } catch (IOException e) { 1580 // failed to look up canonical path, continue with original one 1581 } 1582 mVendorInstallObserver = new AppDirObserver( 1583 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1584 mVendorInstallObserver.startWatching(); 1585 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1586 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1587 1588 // Collect all OEM packages. 1589 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1590 mOemInstallObserver = new AppDirObserver( 1591 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1592 mOemInstallObserver.startWatching(); 1593 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1594 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1595 1596 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1597 mInstaller.moveFiles(); 1598 1599 // Prune any system packages that no longer exist. 1600 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1601 if (!mOnlyCore) { 1602 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1603 while (psit.hasNext()) { 1604 PackageSetting ps = psit.next(); 1605 1606 /* 1607 * If this is not a system app, it can't be a 1608 * disable system app. 1609 */ 1610 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1611 continue; 1612 } 1613 1614 /* 1615 * If the package is scanned, it's not erased. 1616 */ 1617 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1618 if (scannedPkg != null) { 1619 /* 1620 * If the system app is both scanned and in the 1621 * disabled packages list, then it must have been 1622 * added via OTA. Remove it from the currently 1623 * scanned package so the previously user-installed 1624 * application can be scanned. 1625 */ 1626 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1627 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1628 + "; removing system app"); 1629 removePackageLI(ps, true); 1630 } 1631 1632 continue; 1633 } 1634 1635 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1636 psit.remove(); 1637 String msg = "System package " + ps.name 1638 + " no longer exists; wiping its data"; 1639 reportSettingsProblem(Log.WARN, msg); 1640 removeDataDirsLI(ps.name); 1641 } else { 1642 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1643 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1644 possiblyDeletedUpdatedSystemApps.add(ps.name); 1645 } 1646 } 1647 } 1648 } 1649 1650 //look for any incomplete package installations 1651 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1652 //clean up list 1653 for(int i = 0; i < deletePkgsList.size(); i++) { 1654 //clean up here 1655 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1656 } 1657 //delete tmp files 1658 deleteTempPackageFiles(); 1659 1660 // Remove any shared userIDs that have no associated packages 1661 mSettings.pruneSharedUsersLPw(); 1662 1663 if (!mOnlyCore) { 1664 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1665 SystemClock.uptimeMillis()); 1666 mAppInstallObserver = new AppDirObserver( 1667 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1668 mAppInstallObserver.startWatching(); 1669 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1670 1671 mDrmAppInstallObserver = new AppDirObserver( 1672 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1673 mDrmAppInstallObserver.startWatching(); 1674 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1675 scanMode, 0); 1676 1677 /** 1678 * Remove disable package settings for any updated system 1679 * apps that were removed via an OTA. If they're not a 1680 * previously-updated app, remove them completely. 1681 * Otherwise, just revoke their system-level permissions. 1682 */ 1683 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1684 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1685 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1686 1687 String msg; 1688 if (deletedPkg == null) { 1689 msg = "Updated system package " + deletedAppName 1690 + " no longer exists; wiping its data"; 1691 removeDataDirsLI(deletedAppName); 1692 } else { 1693 msg = "Updated system app + " + deletedAppName 1694 + " no longer present; removing system privileges for " 1695 + deletedAppName; 1696 1697 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1698 1699 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1700 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1701 } 1702 reportSettingsProblem(Log.WARN, msg); 1703 } 1704 } else { 1705 mAppInstallObserver = null; 1706 mDrmAppInstallObserver = null; 1707 } 1708 1709 // Now that we know all of the shared libraries, update all clients to have 1710 // the correct library paths. 1711 updateAllSharedLibrariesLPw(); 1712 1713 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1714 // NOTE: We ignore potential failures here during a system scan (like 1715 // the rest of the commands above) because there's precious little we 1716 // can do about it. A settings error is reported, though. 1717 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1718 false /* force dexopt */, false /* defer dexopt */); 1719 } 1720 1721 // Now that we know all the packages we are keeping, 1722 // read and update their last usage times. 1723 mPackageUsage.readLP(); 1724 1725 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1726 SystemClock.uptimeMillis()); 1727 Slog.i(TAG, "Time to scan packages: " 1728 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1729 + " seconds"); 1730 1731 // If the platform SDK has changed since the last time we booted, 1732 // we need to re-grant app permission to catch any new ones that 1733 // appear. This is really a hack, and means that apps can in some 1734 // cases get permissions that the user didn't initially explicitly 1735 // allow... it would be nice to have some better way to handle 1736 // this situation. 1737 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1738 != mSdkVersion; 1739 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1740 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1741 + "; regranting permissions for internal storage"); 1742 mSettings.mInternalSdkPlatform = mSdkVersion; 1743 1744 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1745 | (regrantPermissions 1746 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1747 : 0)); 1748 1749 // If this is the first boot, and it is a normal boot, then 1750 // we need to initialize the default preferred apps. 1751 if (!mRestoredSettings && !onlyCore) { 1752 mSettings.readDefaultPreferredAppsLPw(this, 0); 1753 } 1754 1755 // All the changes are done during package scanning. 1756 mSettings.updateInternalDatabaseVersion(); 1757 1758 // can downgrade to reader 1759 mSettings.writeLPr(); 1760 1761 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1762 SystemClock.uptimeMillis()); 1763 1764 1765 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1766 } // synchronized (mPackages) 1767 } // synchronized (mInstallLock) 1768 1769 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1770 1771 // Now after opening every single application zip, make sure they 1772 // are all flushed. Not really needed, but keeps things nice and 1773 // tidy. 1774 Runtime.getRuntime().gc(); 1775 } 1776 1777 @Override 1778 public boolean isFirstBoot() { 1779 return !mRestoredSettings; 1780 } 1781 1782 @Override 1783 public boolean isOnlyCoreApps() { 1784 return mOnlyCore; 1785 } 1786 1787 private String getRequiredVerifierLPr() { 1788 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1789 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1790 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1791 1792 String requiredVerifier = null; 1793 1794 final int N = receivers.size(); 1795 for (int i = 0; i < N; i++) { 1796 final ResolveInfo info = receivers.get(i); 1797 1798 if (info.activityInfo == null) { 1799 continue; 1800 } 1801 1802 final String packageName = info.activityInfo.packageName; 1803 1804 final PackageSetting ps = mSettings.mPackages.get(packageName); 1805 if (ps == null) { 1806 continue; 1807 } 1808 1809 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1810 if (!gp.grantedPermissions 1811 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1812 continue; 1813 } 1814 1815 if (requiredVerifier != null) { 1816 throw new RuntimeException("There can be only one required verifier"); 1817 } 1818 1819 requiredVerifier = packageName; 1820 } 1821 1822 return requiredVerifier; 1823 } 1824 1825 @Override 1826 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1827 throws RemoteException { 1828 try { 1829 return super.onTransact(code, data, reply, flags); 1830 } catch (RuntimeException e) { 1831 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1832 Slog.wtf(TAG, "Package Manager Crash", e); 1833 } 1834 throw e; 1835 } 1836 } 1837 1838 void cleanupInstallFailedPackage(PackageSetting ps) { 1839 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1840 removeDataDirsLI(ps.name); 1841 1842 // TODO: try cleaning up codePath directory contents first, since it 1843 // might be a cluster 1844 1845 if (ps.codePath != null) { 1846 if (!ps.codePath.delete()) { 1847 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1848 } 1849 } 1850 if (ps.resourcePath != null) { 1851 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1852 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1853 } 1854 } 1855 mSettings.removePackageLPw(ps.name); 1856 } 1857 1858 static int[] appendInts(int[] cur, int[] add) { 1859 if (add == null) return cur; 1860 if (cur == null) return add; 1861 final int N = add.length; 1862 for (int i=0; i<N; i++) { 1863 cur = appendInt(cur, add[i]); 1864 } 1865 return cur; 1866 } 1867 1868 static int[] removeInts(int[] cur, int[] rem) { 1869 if (rem == null) return cur; 1870 if (cur == null) return cur; 1871 final int N = rem.length; 1872 for (int i=0; i<N; i++) { 1873 cur = removeInt(cur, rem[i]); 1874 } 1875 return cur; 1876 } 1877 1878 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1879 if (!sUserManager.exists(userId)) return null; 1880 final PackageSetting ps = (PackageSetting) p.mExtras; 1881 if (ps == null) { 1882 return null; 1883 } 1884 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1885 final PackageUserState state = ps.readUserState(userId); 1886 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1887 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1888 state, userId); 1889 } 1890 1891 @Override 1892 public boolean isPackageAvailable(String packageName, int userId) { 1893 if (!sUserManager.exists(userId)) return false; 1894 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1895 synchronized (mPackages) { 1896 PackageParser.Package p = mPackages.get(packageName); 1897 if (p != null) { 1898 final PackageSetting ps = (PackageSetting) p.mExtras; 1899 if (ps != null) { 1900 final PackageUserState state = ps.readUserState(userId); 1901 if (state != null) { 1902 return PackageParser.isAvailable(state); 1903 } 1904 } 1905 } 1906 } 1907 return false; 1908 } 1909 1910 @Override 1911 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1912 if (!sUserManager.exists(userId)) return null; 1913 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1914 // reader 1915 synchronized (mPackages) { 1916 PackageParser.Package p = mPackages.get(packageName); 1917 if (DEBUG_PACKAGE_INFO) 1918 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1919 if (p != null) { 1920 return generatePackageInfo(p, flags, userId); 1921 } 1922 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1923 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1924 } 1925 } 1926 return null; 1927 } 1928 1929 @Override 1930 public String[] currentToCanonicalPackageNames(String[] names) { 1931 String[] out = new String[names.length]; 1932 // reader 1933 synchronized (mPackages) { 1934 for (int i=names.length-1; i>=0; i--) { 1935 PackageSetting ps = mSettings.mPackages.get(names[i]); 1936 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1937 } 1938 } 1939 return out; 1940 } 1941 1942 @Override 1943 public String[] canonicalToCurrentPackageNames(String[] names) { 1944 String[] out = new String[names.length]; 1945 // reader 1946 synchronized (mPackages) { 1947 for (int i=names.length-1; i>=0; i--) { 1948 String cur = mSettings.mRenamedPackages.get(names[i]); 1949 out[i] = cur != null ? cur : names[i]; 1950 } 1951 } 1952 return out; 1953 } 1954 1955 @Override 1956 public int getPackageUid(String packageName, int userId) { 1957 if (!sUserManager.exists(userId)) return -1; 1958 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1959 // reader 1960 synchronized (mPackages) { 1961 PackageParser.Package p = mPackages.get(packageName); 1962 if(p != null) { 1963 return UserHandle.getUid(userId, p.applicationInfo.uid); 1964 } 1965 PackageSetting ps = mSettings.mPackages.get(packageName); 1966 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1967 return -1; 1968 } 1969 p = ps.pkg; 1970 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1971 } 1972 } 1973 1974 @Override 1975 public int[] getPackageGids(String packageName) { 1976 // reader 1977 synchronized (mPackages) { 1978 PackageParser.Package p = mPackages.get(packageName); 1979 if (DEBUG_PACKAGE_INFO) 1980 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1981 if (p != null) { 1982 final PackageSetting ps = (PackageSetting)p.mExtras; 1983 return ps.getGids(); 1984 } 1985 } 1986 // stupid thing to indicate an error. 1987 return new int[0]; 1988 } 1989 1990 static final PermissionInfo generatePermissionInfo( 1991 BasePermission bp, int flags) { 1992 if (bp.perm != null) { 1993 return PackageParser.generatePermissionInfo(bp.perm, flags); 1994 } 1995 PermissionInfo pi = new PermissionInfo(); 1996 pi.name = bp.name; 1997 pi.packageName = bp.sourcePackage; 1998 pi.nonLocalizedLabel = bp.name; 1999 pi.protectionLevel = bp.protectionLevel; 2000 return pi; 2001 } 2002 2003 @Override 2004 public PermissionInfo getPermissionInfo(String name, int flags) { 2005 // reader 2006 synchronized (mPackages) { 2007 final BasePermission p = mSettings.mPermissions.get(name); 2008 if (p != null) { 2009 return generatePermissionInfo(p, flags); 2010 } 2011 return null; 2012 } 2013 } 2014 2015 @Override 2016 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2017 // reader 2018 synchronized (mPackages) { 2019 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2020 for (BasePermission p : mSettings.mPermissions.values()) { 2021 if (group == null) { 2022 if (p.perm == null || p.perm.info.group == null) { 2023 out.add(generatePermissionInfo(p, flags)); 2024 } 2025 } else { 2026 if (p.perm != null && group.equals(p.perm.info.group)) { 2027 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2028 } 2029 } 2030 } 2031 2032 if (out.size() > 0) { 2033 return out; 2034 } 2035 return mPermissionGroups.containsKey(group) ? out : null; 2036 } 2037 } 2038 2039 @Override 2040 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2041 // reader 2042 synchronized (mPackages) { 2043 return PackageParser.generatePermissionGroupInfo( 2044 mPermissionGroups.get(name), flags); 2045 } 2046 } 2047 2048 @Override 2049 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2050 // reader 2051 synchronized (mPackages) { 2052 final int N = mPermissionGroups.size(); 2053 ArrayList<PermissionGroupInfo> out 2054 = new ArrayList<PermissionGroupInfo>(N); 2055 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2056 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2057 } 2058 return out; 2059 } 2060 } 2061 2062 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2063 int userId) { 2064 if (!sUserManager.exists(userId)) return null; 2065 PackageSetting ps = mSettings.mPackages.get(packageName); 2066 if (ps != null) { 2067 if (ps.pkg == null) { 2068 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2069 flags, userId); 2070 if (pInfo != null) { 2071 return pInfo.applicationInfo; 2072 } 2073 return null; 2074 } 2075 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2076 ps.readUserState(userId), userId); 2077 } 2078 return null; 2079 } 2080 2081 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2082 int userId) { 2083 if (!sUserManager.exists(userId)) return null; 2084 PackageSetting ps = mSettings.mPackages.get(packageName); 2085 if (ps != null) { 2086 PackageParser.Package pkg = ps.pkg; 2087 if (pkg == null) { 2088 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2089 return null; 2090 } 2091 // Only data remains, so we aren't worried about code paths 2092 pkg = new PackageParser.Package(packageName); 2093 pkg.applicationInfo.packageName = packageName; 2094 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2095 pkg.applicationInfo.dataDir = 2096 getDataPathForPackage(packageName, 0).getPath(); 2097 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2098 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2099 } 2100 return generatePackageInfo(pkg, flags, userId); 2101 } 2102 return null; 2103 } 2104 2105 @Override 2106 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2107 if (!sUserManager.exists(userId)) return null; 2108 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2109 // writer 2110 synchronized (mPackages) { 2111 PackageParser.Package p = mPackages.get(packageName); 2112 if (DEBUG_PACKAGE_INFO) Log.v( 2113 TAG, "getApplicationInfo " + packageName 2114 + ": " + p); 2115 if (p != null) { 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if (ps == null) return null; 2118 // Note: isEnabledLP() does not apply here - always return info 2119 return PackageParser.generateApplicationInfo( 2120 p, flags, ps.readUserState(userId), userId); 2121 } 2122 if ("android".equals(packageName)||"system".equals(packageName)) { 2123 return mAndroidApplication; 2124 } 2125 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2126 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2127 } 2128 } 2129 return null; 2130 } 2131 2132 2133 @Override 2134 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2135 mContext.enforceCallingOrSelfPermission( 2136 android.Manifest.permission.CLEAR_APP_CACHE, null); 2137 // Queue up an async operation since clearing cache may take a little while. 2138 mHandler.post(new Runnable() { 2139 public void run() { 2140 mHandler.removeCallbacks(this); 2141 int retCode = -1; 2142 synchronized (mInstallLock) { 2143 retCode = mInstaller.freeCache(freeStorageSize); 2144 if (retCode < 0) { 2145 Slog.w(TAG, "Couldn't clear application caches"); 2146 } 2147 } 2148 if (observer != null) { 2149 try { 2150 observer.onRemoveCompleted(null, (retCode >= 0)); 2151 } catch (RemoteException e) { 2152 Slog.w(TAG, "RemoveException when invoking call back"); 2153 } 2154 } 2155 } 2156 }); 2157 } 2158 2159 @Override 2160 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2161 mContext.enforceCallingOrSelfPermission( 2162 android.Manifest.permission.CLEAR_APP_CACHE, null); 2163 // Queue up an async operation since clearing cache may take a little while. 2164 mHandler.post(new Runnable() { 2165 public void run() { 2166 mHandler.removeCallbacks(this); 2167 int retCode = -1; 2168 synchronized (mInstallLock) { 2169 retCode = mInstaller.freeCache(freeStorageSize); 2170 if (retCode < 0) { 2171 Slog.w(TAG, "Couldn't clear application caches"); 2172 } 2173 } 2174 if(pi != null) { 2175 try { 2176 // Callback via pending intent 2177 int code = (retCode >= 0) ? 1 : 0; 2178 pi.sendIntent(null, code, null, 2179 null, null); 2180 } catch (SendIntentException e1) { 2181 Slog.i(TAG, "Failed to send pending intent"); 2182 } 2183 } 2184 } 2185 }); 2186 } 2187 2188 void freeStorage(long freeStorageSize) throws IOException { 2189 synchronized (mInstallLock) { 2190 if (mInstaller.freeCache(freeStorageSize) < 0) { 2191 throw new IOException("Failed to free enough space"); 2192 } 2193 } 2194 } 2195 2196 @Override 2197 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2198 if (!sUserManager.exists(userId)) return null; 2199 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2200 synchronized (mPackages) { 2201 PackageParser.Activity a = mActivities.mActivities.get(component); 2202 2203 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2204 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2205 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2206 if (ps == null) return null; 2207 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2208 userId); 2209 } 2210 if (mResolveComponentName.equals(component)) { 2211 return mResolveActivity; 2212 } 2213 } 2214 return null; 2215 } 2216 2217 @Override 2218 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2219 String resolvedType) { 2220 synchronized (mPackages) { 2221 PackageParser.Activity a = mActivities.mActivities.get(component); 2222 if (a == null) { 2223 return false; 2224 } 2225 for (int i=0; i<a.intents.size(); i++) { 2226 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2227 intent.getData(), intent.getCategories(), TAG) >= 0) { 2228 return true; 2229 } 2230 } 2231 return false; 2232 } 2233 } 2234 2235 @Override 2236 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2237 if (!sUserManager.exists(userId)) return null; 2238 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2239 synchronized (mPackages) { 2240 PackageParser.Activity a = mReceivers.mActivities.get(component); 2241 if (DEBUG_PACKAGE_INFO) Log.v( 2242 TAG, "getReceiverInfo " + component + ": " + a); 2243 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2244 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2245 if (ps == null) return null; 2246 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2247 userId); 2248 } 2249 } 2250 return null; 2251 } 2252 2253 @Override 2254 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2255 if (!sUserManager.exists(userId)) return null; 2256 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2257 synchronized (mPackages) { 2258 PackageParser.Service s = mServices.mServices.get(component); 2259 if (DEBUG_PACKAGE_INFO) Log.v( 2260 TAG, "getServiceInfo " + component + ": " + s); 2261 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2262 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2263 if (ps == null) return null; 2264 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2265 userId); 2266 } 2267 } 2268 return null; 2269 } 2270 2271 @Override 2272 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2273 if (!sUserManager.exists(userId)) return null; 2274 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2275 synchronized (mPackages) { 2276 PackageParser.Provider p = mProviders.mProviders.get(component); 2277 if (DEBUG_PACKAGE_INFO) Log.v( 2278 TAG, "getProviderInfo " + component + ": " + p); 2279 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2280 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2281 if (ps == null) return null; 2282 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2283 userId); 2284 } 2285 } 2286 return null; 2287 } 2288 2289 @Override 2290 public String[] getSystemSharedLibraryNames() { 2291 Set<String> libSet; 2292 synchronized (mPackages) { 2293 libSet = mSharedLibraries.keySet(); 2294 int size = libSet.size(); 2295 if (size > 0) { 2296 String[] libs = new String[size]; 2297 libSet.toArray(libs); 2298 return libs; 2299 } 2300 } 2301 return null; 2302 } 2303 2304 @Override 2305 public FeatureInfo[] getSystemAvailableFeatures() { 2306 Collection<FeatureInfo> featSet; 2307 synchronized (mPackages) { 2308 featSet = mAvailableFeatures.values(); 2309 int size = featSet.size(); 2310 if (size > 0) { 2311 FeatureInfo[] features = new FeatureInfo[size+1]; 2312 featSet.toArray(features); 2313 FeatureInfo fi = new FeatureInfo(); 2314 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2315 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2316 features[size] = fi; 2317 return features; 2318 } 2319 } 2320 return null; 2321 } 2322 2323 @Override 2324 public boolean hasSystemFeature(String name) { 2325 synchronized (mPackages) { 2326 return mAvailableFeatures.containsKey(name); 2327 } 2328 } 2329 2330 private void checkValidCaller(int uid, int userId) { 2331 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2332 return; 2333 2334 throw new SecurityException("Caller uid=" + uid 2335 + " is not privileged to communicate with user=" + userId); 2336 } 2337 2338 @Override 2339 public int checkPermission(String permName, String pkgName) { 2340 synchronized (mPackages) { 2341 PackageParser.Package p = mPackages.get(pkgName); 2342 if (p != null && p.mExtras != null) { 2343 PackageSetting ps = (PackageSetting)p.mExtras; 2344 if (ps.sharedUser != null) { 2345 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2346 return PackageManager.PERMISSION_GRANTED; 2347 } 2348 } else if (ps.grantedPermissions.contains(permName)) { 2349 return PackageManager.PERMISSION_GRANTED; 2350 } 2351 } 2352 } 2353 return PackageManager.PERMISSION_DENIED; 2354 } 2355 2356 @Override 2357 public int checkUidPermission(String permName, int uid) { 2358 synchronized (mPackages) { 2359 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2360 if (obj != null) { 2361 GrantedPermissions gp = (GrantedPermissions)obj; 2362 if (gp.grantedPermissions.contains(permName)) { 2363 return PackageManager.PERMISSION_GRANTED; 2364 } 2365 } else { 2366 HashSet<String> perms = mSystemPermissions.get(uid); 2367 if (perms != null && perms.contains(permName)) { 2368 return PackageManager.PERMISSION_GRANTED; 2369 } 2370 } 2371 } 2372 return PackageManager.PERMISSION_DENIED; 2373 } 2374 2375 /** 2376 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2377 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2378 * @param message the message to log on security exception 2379 */ 2380 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2381 String message) { 2382 if (userId < 0) { 2383 throw new IllegalArgumentException("Invalid userId " + userId); 2384 } 2385 if (userId == UserHandle.getUserId(callingUid)) return; 2386 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2387 if (requireFullPermission) { 2388 mContext.enforceCallingOrSelfPermission( 2389 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2390 } else { 2391 try { 2392 mContext.enforceCallingOrSelfPermission( 2393 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2394 } catch (SecurityException se) { 2395 mContext.enforceCallingOrSelfPermission( 2396 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2397 } 2398 } 2399 } 2400 } 2401 2402 private BasePermission findPermissionTreeLP(String permName) { 2403 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2404 if (permName.startsWith(bp.name) && 2405 permName.length() > bp.name.length() && 2406 permName.charAt(bp.name.length()) == '.') { 2407 return bp; 2408 } 2409 } 2410 return null; 2411 } 2412 2413 private BasePermission checkPermissionTreeLP(String permName) { 2414 if (permName != null) { 2415 BasePermission bp = findPermissionTreeLP(permName); 2416 if (bp != null) { 2417 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2418 return bp; 2419 } 2420 throw new SecurityException("Calling uid " 2421 + Binder.getCallingUid() 2422 + " is not allowed to add to permission tree " 2423 + bp.name + " owned by uid " + bp.uid); 2424 } 2425 } 2426 throw new SecurityException("No permission tree found for " + permName); 2427 } 2428 2429 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2430 if (s1 == null) { 2431 return s2 == null; 2432 } 2433 if (s2 == null) { 2434 return false; 2435 } 2436 if (s1.getClass() != s2.getClass()) { 2437 return false; 2438 } 2439 return s1.equals(s2); 2440 } 2441 2442 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2443 if (pi1.icon != pi2.icon) return false; 2444 if (pi1.logo != pi2.logo) return false; 2445 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2446 if (!compareStrings(pi1.name, pi2.name)) return false; 2447 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2448 // We'll take care of setting this one. 2449 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2450 // These are not currently stored in settings. 2451 //if (!compareStrings(pi1.group, pi2.group)) return false; 2452 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2453 //if (pi1.labelRes != pi2.labelRes) return false; 2454 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2455 return true; 2456 } 2457 2458 int permissionInfoFootprint(PermissionInfo info) { 2459 int size = info.name.length(); 2460 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2461 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2462 return size; 2463 } 2464 2465 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2466 int size = 0; 2467 for (BasePermission perm : mSettings.mPermissions.values()) { 2468 if (perm.uid == tree.uid) { 2469 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2470 } 2471 } 2472 return size; 2473 } 2474 2475 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2476 // We calculate the max size of permissions defined by this uid and throw 2477 // if that plus the size of 'info' would exceed our stated maximum. 2478 if (tree.uid != Process.SYSTEM_UID) { 2479 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2480 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2481 throw new SecurityException("Permission tree size cap exceeded"); 2482 } 2483 } 2484 } 2485 2486 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2487 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2488 throw new SecurityException("Label must be specified in permission"); 2489 } 2490 BasePermission tree = checkPermissionTreeLP(info.name); 2491 BasePermission bp = mSettings.mPermissions.get(info.name); 2492 boolean added = bp == null; 2493 boolean changed = true; 2494 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2495 if (added) { 2496 enforcePermissionCapLocked(info, tree); 2497 bp = new BasePermission(info.name, tree.sourcePackage, 2498 BasePermission.TYPE_DYNAMIC); 2499 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2500 throw new SecurityException( 2501 "Not allowed to modify non-dynamic permission " 2502 + info.name); 2503 } else { 2504 if (bp.protectionLevel == fixedLevel 2505 && bp.perm.owner.equals(tree.perm.owner) 2506 && bp.uid == tree.uid 2507 && comparePermissionInfos(bp.perm.info, info)) { 2508 changed = false; 2509 } 2510 } 2511 bp.protectionLevel = fixedLevel; 2512 info = new PermissionInfo(info); 2513 info.protectionLevel = fixedLevel; 2514 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2515 bp.perm.info.packageName = tree.perm.info.packageName; 2516 bp.uid = tree.uid; 2517 if (added) { 2518 mSettings.mPermissions.put(info.name, bp); 2519 } 2520 if (changed) { 2521 if (!async) { 2522 mSettings.writeLPr(); 2523 } else { 2524 scheduleWriteSettingsLocked(); 2525 } 2526 } 2527 return added; 2528 } 2529 2530 @Override 2531 public boolean addPermission(PermissionInfo info) { 2532 synchronized (mPackages) { 2533 return addPermissionLocked(info, false); 2534 } 2535 } 2536 2537 @Override 2538 public boolean addPermissionAsync(PermissionInfo info) { 2539 synchronized (mPackages) { 2540 return addPermissionLocked(info, true); 2541 } 2542 } 2543 2544 @Override 2545 public void removePermission(String name) { 2546 synchronized (mPackages) { 2547 checkPermissionTreeLP(name); 2548 BasePermission bp = mSettings.mPermissions.get(name); 2549 if (bp != null) { 2550 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2551 throw new SecurityException( 2552 "Not allowed to modify non-dynamic permission " 2553 + name); 2554 } 2555 mSettings.mPermissions.remove(name); 2556 mSettings.writeLPr(); 2557 } 2558 } 2559 } 2560 2561 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2562 int index = pkg.requestedPermissions.indexOf(bp.name); 2563 if (index == -1) { 2564 throw new SecurityException("Package " + pkg.packageName 2565 + " has not requested permission " + bp.name); 2566 } 2567 boolean isNormal = 2568 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2569 == PermissionInfo.PROTECTION_NORMAL); 2570 boolean isDangerous = 2571 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2572 == PermissionInfo.PROTECTION_DANGEROUS); 2573 boolean isDevelopment = 2574 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2575 2576 if (!isNormal && !isDangerous && !isDevelopment) { 2577 throw new SecurityException("Permission " + bp.name 2578 + " is not a changeable permission type"); 2579 } 2580 2581 if (isNormal || isDangerous) { 2582 if (pkg.requestedPermissionsRequired.get(index)) { 2583 throw new SecurityException("Can't change " + bp.name 2584 + ". It is required by the application"); 2585 } 2586 } 2587 } 2588 2589 @Override 2590 public void grantPermission(String packageName, String permissionName) { 2591 mContext.enforceCallingOrSelfPermission( 2592 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2593 synchronized (mPackages) { 2594 final PackageParser.Package pkg = mPackages.get(packageName); 2595 if (pkg == null) { 2596 throw new IllegalArgumentException("Unknown package: " + packageName); 2597 } 2598 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2599 if (bp == null) { 2600 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2601 } 2602 2603 checkGrantRevokePermissions(pkg, bp); 2604 2605 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2606 if (ps == null) { 2607 return; 2608 } 2609 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2610 if (gp.grantedPermissions.add(permissionName)) { 2611 if (ps.haveGids) { 2612 gp.gids = appendInts(gp.gids, bp.gids); 2613 } 2614 mSettings.writeLPr(); 2615 } 2616 } 2617 } 2618 2619 @Override 2620 public void revokePermission(String packageName, String permissionName) { 2621 int changedAppId = -1; 2622 2623 synchronized (mPackages) { 2624 final PackageParser.Package pkg = mPackages.get(packageName); 2625 if (pkg == null) { 2626 throw new IllegalArgumentException("Unknown package: " + packageName); 2627 } 2628 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2629 mContext.enforceCallingOrSelfPermission( 2630 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2631 } 2632 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2633 if (bp == null) { 2634 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2635 } 2636 2637 checkGrantRevokePermissions(pkg, bp); 2638 2639 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2640 if (ps == null) { 2641 return; 2642 } 2643 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2644 if (gp.grantedPermissions.remove(permissionName)) { 2645 gp.grantedPermissions.remove(permissionName); 2646 if (ps.haveGids) { 2647 gp.gids = removeInts(gp.gids, bp.gids); 2648 } 2649 mSettings.writeLPr(); 2650 changedAppId = ps.appId; 2651 } 2652 } 2653 2654 if (changedAppId >= 0) { 2655 // We changed the perm on someone, kill its processes. 2656 IActivityManager am = ActivityManagerNative.getDefault(); 2657 if (am != null) { 2658 final int callingUserId = UserHandle.getCallingUserId(); 2659 final long ident = Binder.clearCallingIdentity(); 2660 try { 2661 //XXX we should only revoke for the calling user's app permissions, 2662 // but for now we impact all users. 2663 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2664 // "revoke " + permissionName); 2665 int[] users = sUserManager.getUserIds(); 2666 for (int user : users) { 2667 am.killUid(UserHandle.getUid(user, changedAppId), 2668 "revoke " + permissionName); 2669 } 2670 } catch (RemoteException e) { 2671 } finally { 2672 Binder.restoreCallingIdentity(ident); 2673 } 2674 } 2675 } 2676 } 2677 2678 @Override 2679 public boolean isProtectedBroadcast(String actionName) { 2680 synchronized (mPackages) { 2681 return mProtectedBroadcasts.contains(actionName); 2682 } 2683 } 2684 2685 @Override 2686 public int checkSignatures(String pkg1, String pkg2) { 2687 synchronized (mPackages) { 2688 final PackageParser.Package p1 = mPackages.get(pkg1); 2689 final PackageParser.Package p2 = mPackages.get(pkg2); 2690 if (p1 == null || p1.mExtras == null 2691 || p2 == null || p2.mExtras == null) { 2692 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2693 } 2694 return compareSignatures(p1.mSignatures, p2.mSignatures); 2695 } 2696 } 2697 2698 @Override 2699 public int checkUidSignatures(int uid1, int uid2) { 2700 // Map to base uids. 2701 uid1 = UserHandle.getAppId(uid1); 2702 uid2 = UserHandle.getAppId(uid2); 2703 // reader 2704 synchronized (mPackages) { 2705 Signature[] s1; 2706 Signature[] s2; 2707 Object obj = mSettings.getUserIdLPr(uid1); 2708 if (obj != null) { 2709 if (obj instanceof SharedUserSetting) { 2710 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2711 } else if (obj instanceof PackageSetting) { 2712 s1 = ((PackageSetting)obj).signatures.mSignatures; 2713 } else { 2714 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2715 } 2716 } else { 2717 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2718 } 2719 obj = mSettings.getUserIdLPr(uid2); 2720 if (obj != null) { 2721 if (obj instanceof SharedUserSetting) { 2722 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2723 } else if (obj instanceof PackageSetting) { 2724 s2 = ((PackageSetting)obj).signatures.mSignatures; 2725 } else { 2726 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2727 } 2728 } else { 2729 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2730 } 2731 return compareSignatures(s1, s2); 2732 } 2733 } 2734 2735 /** 2736 * Compares two sets of signatures. Returns: 2737 * <br /> 2738 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2739 * <br /> 2740 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2741 * <br /> 2742 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2743 * <br /> 2744 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2745 * <br /> 2746 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2747 */ 2748 static int compareSignatures(Signature[] s1, Signature[] s2) { 2749 if (s1 == null) { 2750 return s2 == null 2751 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2752 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2753 } 2754 2755 if (s2 == null) { 2756 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2757 } 2758 2759 if (s1.length != s2.length) { 2760 return PackageManager.SIGNATURE_NO_MATCH; 2761 } 2762 2763 // Since both signature sets are of size 1, we can compare without HashSets. 2764 if (s1.length == 1) { 2765 return s1[0].equals(s2[0]) ? 2766 PackageManager.SIGNATURE_MATCH : 2767 PackageManager.SIGNATURE_NO_MATCH; 2768 } 2769 2770 HashSet<Signature> set1 = new HashSet<Signature>(); 2771 for (Signature sig : s1) { 2772 set1.add(sig); 2773 } 2774 HashSet<Signature> set2 = new HashSet<Signature>(); 2775 for (Signature sig : s2) { 2776 set2.add(sig); 2777 } 2778 // Make sure s2 contains all signatures in s1. 2779 if (set1.equals(set2)) { 2780 return PackageManager.SIGNATURE_MATCH; 2781 } 2782 return PackageManager.SIGNATURE_NO_MATCH; 2783 } 2784 2785 /** 2786 * If the database version for this type of package (internal storage or 2787 * external storage) is less than the version where package signatures 2788 * were updated, return true. 2789 */ 2790 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2791 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2792 DatabaseVersion.SIGNATURE_END_ENTITY)) 2793 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2794 DatabaseVersion.SIGNATURE_END_ENTITY)); 2795 } 2796 2797 /** 2798 * Used for backward compatibility to make sure any packages with 2799 * certificate chains get upgraded to the new style. {@code existingSigs} 2800 * will be in the old format (since they were stored on disk from before the 2801 * system upgrade) and {@code scannedSigs} will be in the newer format. 2802 */ 2803 private int compareSignaturesCompat(PackageSignatures existingSigs, 2804 PackageParser.Package scannedPkg) { 2805 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2806 return PackageManager.SIGNATURE_NO_MATCH; 2807 } 2808 2809 HashSet<Signature> existingSet = new HashSet<Signature>(); 2810 for (Signature sig : existingSigs.mSignatures) { 2811 existingSet.add(sig); 2812 } 2813 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2814 for (Signature sig : scannedPkg.mSignatures) { 2815 try { 2816 Signature[] chainSignatures = sig.getChainSignatures(); 2817 for (Signature chainSig : chainSignatures) { 2818 scannedCompatSet.add(chainSig); 2819 } 2820 } catch (CertificateEncodingException e) { 2821 scannedCompatSet.add(sig); 2822 } 2823 } 2824 /* 2825 * Make sure the expanded scanned set contains all signatures in the 2826 * existing one. 2827 */ 2828 if (scannedCompatSet.equals(existingSet)) { 2829 // Migrate the old signatures to the new scheme. 2830 existingSigs.assignSignatures(scannedPkg.mSignatures); 2831 // The new KeySets will be re-added later in the scanning process. 2832 synchronized (mPackages) { 2833 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2834 } 2835 return PackageManager.SIGNATURE_MATCH; 2836 } 2837 return PackageManager.SIGNATURE_NO_MATCH; 2838 } 2839 2840 @Override 2841 public String[] getPackagesForUid(int uid) { 2842 uid = UserHandle.getAppId(uid); 2843 // reader 2844 synchronized (mPackages) { 2845 Object obj = mSettings.getUserIdLPr(uid); 2846 if (obj instanceof SharedUserSetting) { 2847 final SharedUserSetting sus = (SharedUserSetting) obj; 2848 final int N = sus.packages.size(); 2849 final String[] res = new String[N]; 2850 final Iterator<PackageSetting> it = sus.packages.iterator(); 2851 int i = 0; 2852 while (it.hasNext()) { 2853 res[i++] = it.next().name; 2854 } 2855 return res; 2856 } else if (obj instanceof PackageSetting) { 2857 final PackageSetting ps = (PackageSetting) obj; 2858 return new String[] { ps.name }; 2859 } 2860 } 2861 return null; 2862 } 2863 2864 @Override 2865 public String getNameForUid(int uid) { 2866 // reader 2867 synchronized (mPackages) { 2868 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2869 if (obj instanceof SharedUserSetting) { 2870 final SharedUserSetting sus = (SharedUserSetting) obj; 2871 return sus.name + ":" + sus.userId; 2872 } else if (obj instanceof PackageSetting) { 2873 final PackageSetting ps = (PackageSetting) obj; 2874 return ps.name; 2875 } 2876 } 2877 return null; 2878 } 2879 2880 @Override 2881 public int getUidForSharedUser(String sharedUserName) { 2882 if(sharedUserName == null) { 2883 return -1; 2884 } 2885 // reader 2886 synchronized (mPackages) { 2887 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2888 if (suid == null) { 2889 return -1; 2890 } 2891 return suid.userId; 2892 } 2893 } 2894 2895 @Override 2896 public int getFlagsForUid(int uid) { 2897 synchronized (mPackages) { 2898 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2899 if (obj instanceof SharedUserSetting) { 2900 final SharedUserSetting sus = (SharedUserSetting) obj; 2901 return sus.pkgFlags; 2902 } else if (obj instanceof PackageSetting) { 2903 final PackageSetting ps = (PackageSetting) obj; 2904 return ps.pkgFlags; 2905 } 2906 } 2907 return 0; 2908 } 2909 2910 @Override 2911 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2912 int flags, int userId) { 2913 if (!sUserManager.exists(userId)) return null; 2914 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2915 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2916 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2917 } 2918 2919 @Override 2920 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2921 IntentFilter filter, int match, ComponentName activity) { 2922 final int userId = UserHandle.getCallingUserId(); 2923 if (DEBUG_PREFERRED) { 2924 Log.v(TAG, "setLastChosenActivity intent=" + intent 2925 + " resolvedType=" + resolvedType 2926 + " flags=" + flags 2927 + " filter=" + filter 2928 + " match=" + match 2929 + " activity=" + activity); 2930 filter.dump(new PrintStreamPrinter(System.out), " "); 2931 } 2932 intent.setComponent(null); 2933 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2934 // Find any earlier preferred or last chosen entries and nuke them 2935 findPreferredActivity(intent, resolvedType, 2936 flags, query, 0, false, true, false, userId); 2937 // Add the new activity as the last chosen for this filter 2938 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2939 } 2940 2941 @Override 2942 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2943 final int userId = UserHandle.getCallingUserId(); 2944 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2945 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2946 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2947 false, false, false, userId); 2948 } 2949 2950 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2951 int flags, List<ResolveInfo> query, int userId) { 2952 if (query != null) { 2953 final int N = query.size(); 2954 if (N == 1) { 2955 return query.get(0); 2956 } else if (N > 1) { 2957 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2958 // If there is more than one activity with the same priority, 2959 // then let the user decide between them. 2960 ResolveInfo r0 = query.get(0); 2961 ResolveInfo r1 = query.get(1); 2962 if (DEBUG_INTENT_MATCHING || debug) { 2963 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2964 + r1.activityInfo.name + "=" + r1.priority); 2965 } 2966 // If the first activity has a higher priority, or a different 2967 // default, then it is always desireable to pick it. 2968 if (r0.priority != r1.priority 2969 || r0.preferredOrder != r1.preferredOrder 2970 || r0.isDefault != r1.isDefault) { 2971 return query.get(0); 2972 } 2973 // If we have saved a preference for a preferred activity for 2974 // this Intent, use that. 2975 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2976 flags, query, r0.priority, true, false, debug, userId); 2977 if (ri != null) { 2978 return ri; 2979 } 2980 if (userId != 0) { 2981 ri = new ResolveInfo(mResolveInfo); 2982 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2983 ri.activityInfo.applicationInfo = new ApplicationInfo( 2984 ri.activityInfo.applicationInfo); 2985 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2986 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2987 return ri; 2988 } 2989 return mResolveInfo; 2990 } 2991 } 2992 return null; 2993 } 2994 2995 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2996 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2997 final int N = query.size(); 2998 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2999 .get(userId); 3000 // Get the list of persistent preferred activities that handle the intent 3001 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3002 List<PersistentPreferredActivity> pprefs = ppir != null 3003 ? ppir.queryIntent(intent, resolvedType, 3004 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3005 : null; 3006 if (pprefs != null && pprefs.size() > 0) { 3007 final int M = pprefs.size(); 3008 for (int i=0; i<M; i++) { 3009 final PersistentPreferredActivity ppa = pprefs.get(i); 3010 if (DEBUG_PREFERRED || debug) { 3011 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3012 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3013 + "\n component=" + ppa.mComponent); 3014 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3015 } 3016 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3017 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3018 if (DEBUG_PREFERRED || debug) { 3019 Slog.v(TAG, "Found persistent preferred activity:"); 3020 if (ai != null) { 3021 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3022 } else { 3023 Slog.v(TAG, " null"); 3024 } 3025 } 3026 if (ai == null) { 3027 // This previously registered persistent preferred activity 3028 // component is no longer known. Ignore it and do NOT remove it. 3029 continue; 3030 } 3031 for (int j=0; j<N; j++) { 3032 final ResolveInfo ri = query.get(j); 3033 if (!ri.activityInfo.applicationInfo.packageName 3034 .equals(ai.applicationInfo.packageName)) { 3035 continue; 3036 } 3037 if (!ri.activityInfo.name.equals(ai.name)) { 3038 continue; 3039 } 3040 // Found a persistent preference that can handle the intent. 3041 if (DEBUG_PREFERRED || debug) { 3042 Slog.v(TAG, "Returning persistent preferred activity: " + 3043 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3044 } 3045 return ri; 3046 } 3047 } 3048 } 3049 return null; 3050 } 3051 3052 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3053 List<ResolveInfo> query, int priority, boolean always, 3054 boolean removeMatches, boolean debug, int userId) { 3055 if (!sUserManager.exists(userId)) return null; 3056 // writer 3057 synchronized (mPackages) { 3058 if (intent.getSelector() != null) { 3059 intent = intent.getSelector(); 3060 } 3061 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3062 3063 // Try to find a matching persistent preferred activity. 3064 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3065 debug, userId); 3066 3067 // If a persistent preferred activity matched, use it. 3068 if (pri != null) { 3069 return pri; 3070 } 3071 3072 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3073 // Get the list of preferred activities that handle the intent 3074 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3075 List<PreferredActivity> prefs = pir != null 3076 ? pir.queryIntent(intent, resolvedType, 3077 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3078 : null; 3079 if (prefs != null && prefs.size() > 0) { 3080 // First figure out how good the original match set is. 3081 // We will only allow preferred activities that came 3082 // from the same match quality. 3083 int match = 0; 3084 3085 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3086 3087 final int N = query.size(); 3088 for (int j=0; j<N; j++) { 3089 final ResolveInfo ri = query.get(j); 3090 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3091 + ": 0x" + Integer.toHexString(match)); 3092 if (ri.match > match) { 3093 match = ri.match; 3094 } 3095 } 3096 3097 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3098 + Integer.toHexString(match)); 3099 3100 match &= IntentFilter.MATCH_CATEGORY_MASK; 3101 final int M = prefs.size(); 3102 for (int i=0; i<M; i++) { 3103 final PreferredActivity pa = prefs.get(i); 3104 if (DEBUG_PREFERRED || debug) { 3105 Slog.v(TAG, "Checking PreferredActivity ds=" 3106 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3107 + "\n component=" + pa.mPref.mComponent); 3108 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3109 } 3110 if (pa.mPref.mMatch != match) { 3111 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3112 + Integer.toHexString(pa.mPref.mMatch)); 3113 continue; 3114 } 3115 // If it's not an "always" type preferred activity and that's what we're 3116 // looking for, skip it. 3117 if (always && !pa.mPref.mAlways) { 3118 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3119 continue; 3120 } 3121 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3122 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3123 if (DEBUG_PREFERRED || debug) { 3124 Slog.v(TAG, "Found preferred activity:"); 3125 if (ai != null) { 3126 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3127 } else { 3128 Slog.v(TAG, " null"); 3129 } 3130 } 3131 if (ai == null) { 3132 // This previously registered preferred activity 3133 // component is no longer known. Most likely an update 3134 // to the app was installed and in the new version this 3135 // component no longer exists. Clean it up by removing 3136 // it from the preferred activities list, and skip it. 3137 Slog.w(TAG, "Removing dangling preferred activity: " 3138 + pa.mPref.mComponent); 3139 pir.removeFilter(pa); 3140 continue; 3141 } 3142 for (int j=0; j<N; j++) { 3143 final ResolveInfo ri = query.get(j); 3144 if (!ri.activityInfo.applicationInfo.packageName 3145 .equals(ai.applicationInfo.packageName)) { 3146 continue; 3147 } 3148 if (!ri.activityInfo.name.equals(ai.name)) { 3149 continue; 3150 } 3151 3152 if (removeMatches) { 3153 pir.removeFilter(pa); 3154 if (DEBUG_PREFERRED) { 3155 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3156 } 3157 break; 3158 } 3159 3160 // Okay we found a previously set preferred or last chosen app. 3161 // If the result set is different from when this 3162 // was created, we need to clear it and re-ask the 3163 // user their preference, if we're looking for an "always" type entry. 3164 if (always && !pa.mPref.sameSet(query, priority)) { 3165 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3166 + intent + " type " + resolvedType); 3167 if (DEBUG_PREFERRED) { 3168 Slog.v(TAG, "Removing preferred activity since set changed " 3169 + pa.mPref.mComponent); 3170 } 3171 pir.removeFilter(pa); 3172 // Re-add the filter as a "last chosen" entry (!always) 3173 PreferredActivity lastChosen = new PreferredActivity( 3174 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3175 pir.addFilter(lastChosen); 3176 mSettings.writePackageRestrictionsLPr(userId); 3177 return null; 3178 } 3179 3180 // Yay! Either the set matched or we're looking for the last chosen 3181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3182 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3183 mSettings.writePackageRestrictionsLPr(userId); 3184 return ri; 3185 } 3186 } 3187 } 3188 mSettings.writePackageRestrictionsLPr(userId); 3189 } 3190 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3191 return null; 3192 } 3193 3194 /* 3195 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3196 */ 3197 @Override 3198 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3199 int targetUserId) { 3200 mContext.enforceCallingOrSelfPermission( 3201 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3202 List<CrossProfileIntentFilter> matches = 3203 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3204 if (matches != null) { 3205 int size = matches.size(); 3206 for (int i = 0; i < size; i++) { 3207 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3208 } 3209 } 3210 3211 ArrayList<String> packageNames = null; 3212 SparseArray<ArrayList<String>> fromSource = 3213 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3214 if (fromSource != null) { 3215 packageNames = fromSource.get(targetUserId); 3216 } 3217 if (packageNames.contains(intent.getPackage())) { 3218 return true; 3219 } 3220 // We need the package name, so we try to resolve with the loosest flags possible 3221 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3222 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3223 int count = resolveInfos.size(); 3224 for (int i = 0; i < count; i++) { 3225 ResolveInfo resolveInfo = resolveInfos.get(i); 3226 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3227 return true; 3228 } 3229 } 3230 return false; 3231 } 3232 3233 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3234 String resolvedType, int userId) { 3235 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3236 if (resolver != null) { 3237 return resolver.queryIntent(intent, resolvedType, false, userId); 3238 } 3239 return null; 3240 } 3241 3242 @Override 3243 public List<ResolveInfo> queryIntentActivities(Intent intent, 3244 String resolvedType, int flags, int userId) { 3245 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3246 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3247 ComponentName comp = intent.getComponent(); 3248 if (comp == null) { 3249 if (intent.getSelector() != null) { 3250 intent = intent.getSelector(); 3251 comp = intent.getComponent(); 3252 } 3253 } 3254 3255 if (comp != null) { 3256 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3257 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3258 if (ai != null) { 3259 final ResolveInfo ri = new ResolveInfo(); 3260 ri.activityInfo = ai; 3261 list.add(ri); 3262 } 3263 return list; 3264 } 3265 3266 // reader 3267 synchronized (mPackages) { 3268 final String pkgName = intent.getPackage(); 3269 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3270 if (pkgName == null) { 3271 ResolveInfo resolveInfo = null; 3272 if (queryCrossProfile) { 3273 // Check if the intent needs to be forwarded to another user for this package 3274 ArrayList<ResolveInfo> crossProfileResult = 3275 queryIntentActivitiesCrossProfilePackage( 3276 intent, resolvedType, flags, userId); 3277 if (!crossProfileResult.isEmpty()) { 3278 // Skip the current profile 3279 return crossProfileResult; 3280 } 3281 List<CrossProfileIntentFilter> matchingFilters = 3282 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3283 // Check for results that need to skip the current profile. 3284 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3285 resolvedType, flags, userId); 3286 if (resolveInfo != null) { 3287 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3288 result.add(resolveInfo); 3289 return result; 3290 } 3291 // Check for cross profile results. 3292 resolveInfo = queryCrossProfileIntents( 3293 matchingFilters, intent, resolvedType, flags, userId); 3294 } 3295 // Check for results in the current profile. 3296 List<ResolveInfo> result = mActivities.queryIntent( 3297 intent, resolvedType, flags, userId); 3298 if (resolveInfo != null) { 3299 result.add(resolveInfo); 3300 } 3301 return result; 3302 } 3303 final PackageParser.Package pkg = mPackages.get(pkgName); 3304 if (pkg != null) { 3305 if (queryCrossProfile) { 3306 ArrayList<ResolveInfo> crossProfileResult = 3307 queryIntentActivitiesCrossProfilePackage( 3308 intent, resolvedType, flags, userId, pkg, pkgName); 3309 if (!crossProfileResult.isEmpty()) { 3310 // Skip the current profile 3311 return crossProfileResult; 3312 } 3313 } 3314 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3315 pkg.activities, userId); 3316 } 3317 return new ArrayList<ResolveInfo>(); 3318 } 3319 } 3320 3321 private ResolveInfo querySkipCurrentProfileIntents( 3322 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3323 int flags, int sourceUserId) { 3324 if (matchingFilters != null) { 3325 int size = matchingFilters.size(); 3326 for (int i = 0; i < size; i ++) { 3327 CrossProfileIntentFilter filter = matchingFilters.get(i); 3328 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3329 // Checking if there are activities in the target user that can handle the 3330 // intent. 3331 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3332 flags, sourceUserId); 3333 if (resolveInfo != null) { 3334 return resolveInfo; 3335 } 3336 } 3337 } 3338 } 3339 return null; 3340 } 3341 3342 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3343 Intent intent, String resolvedType, int flags, int userId) { 3344 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3345 SparseArray<ArrayList<String>> sourceForwardingInfo = 3346 mSettings.mCrossProfilePackageInfo.get(userId); 3347 if (sourceForwardingInfo != null) { 3348 int NI = sourceForwardingInfo.size(); 3349 for (int i = 0; i < NI; i++) { 3350 int targetUserId = sourceForwardingInfo.keyAt(i); 3351 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3352 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3353 intent, resolvedType, flags, targetUserId); 3354 int NJ = resolveInfos.size(); 3355 for (int j = 0; j < NJ; j++) { 3356 ResolveInfo resolveInfo = resolveInfos.get(j); 3357 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3358 matchingResolveInfos.add(createForwardingResolveInfo( 3359 resolveInfo.filter, userId, targetUserId)); 3360 } 3361 } 3362 } 3363 } 3364 return matchingResolveInfos; 3365 } 3366 3367 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3368 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3369 String packageName) { 3370 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3371 SparseArray<ArrayList<String>> sourceForwardingInfo = 3372 mSettings.mCrossProfilePackageInfo.get(userId); 3373 if (sourceForwardingInfo != null) { 3374 int NI = sourceForwardingInfo.size(); 3375 for (int i = 0; i < NI; i++) { 3376 int targetUserId = sourceForwardingInfo.keyAt(i); 3377 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3378 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3379 intent, resolvedType, flags, pkg.activities, targetUserId); 3380 int NJ = resolveInfos.size(); 3381 for (int j = 0; j < NJ; j++) { 3382 ResolveInfo resolveInfo = resolveInfos.get(j); 3383 matchingResolveInfos.add(createForwardingResolveInfo( 3384 resolveInfo.filter, userId, targetUserId)); 3385 } 3386 } 3387 } 3388 } 3389 return matchingResolveInfos; 3390 } 3391 3392 // Return matching ResolveInfo if any for skip current profile intent filters. 3393 private ResolveInfo queryCrossProfileIntents( 3394 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3395 int flags, int sourceUserId) { 3396 if (matchingFilters != null) { 3397 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3398 // match the same intent. For performance reasons, it is better not to 3399 // run queryIntent twice for the same userId 3400 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3401 int size = matchingFilters.size(); 3402 for (int i = 0; i < size; i++) { 3403 CrossProfileIntentFilter filter = matchingFilters.get(i); 3404 int targetUserId = filter.getTargetUserId(); 3405 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3406 && !alreadyTriedUserIds.get(targetUserId)) { 3407 // Checking if there are activities in the target user that can handle the 3408 // intent. 3409 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3410 flags, sourceUserId); 3411 if (resolveInfo != null) return resolveInfo; 3412 alreadyTriedUserIds.put(targetUserId, true); 3413 } 3414 } 3415 } 3416 return null; 3417 } 3418 3419 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3420 String resolvedType, int flags, int sourceUserId) { 3421 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3422 resolvedType, flags, filter.getTargetUserId()); 3423 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3424 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3425 } 3426 return null; 3427 } 3428 3429 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3430 int sourceUserId, int targetUserId) { 3431 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3432 String className; 3433 if (targetUserId == UserHandle.USER_OWNER) { 3434 className = FORWARD_INTENT_TO_USER_OWNER; 3435 } else { 3436 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3437 } 3438 ComponentName forwardingActivityComponentName = new ComponentName( 3439 mAndroidApplication.packageName, className); 3440 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3441 sourceUserId); 3442 if (targetUserId == UserHandle.USER_OWNER) { 3443 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3444 forwardingResolveInfo.noResourceId = true; 3445 } 3446 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3447 forwardingResolveInfo.priority = 0; 3448 forwardingResolveInfo.preferredOrder = 0; 3449 forwardingResolveInfo.match = 0; 3450 forwardingResolveInfo.isDefault = true; 3451 forwardingResolveInfo.filter = filter; 3452 forwardingResolveInfo.targetUserId = targetUserId; 3453 return forwardingResolveInfo; 3454 } 3455 3456 @Override 3457 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3458 Intent[] specifics, String[] specificTypes, Intent intent, 3459 String resolvedType, int flags, int userId) { 3460 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3461 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3462 "query intent activity options"); 3463 final String resultsAction = intent.getAction(); 3464 3465 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3466 | PackageManager.GET_RESOLVED_FILTER, userId); 3467 3468 if (DEBUG_INTENT_MATCHING) { 3469 Log.v(TAG, "Query " + intent + ": " + results); 3470 } 3471 3472 int specificsPos = 0; 3473 int N; 3474 3475 // todo: note that the algorithm used here is O(N^2). This 3476 // isn't a problem in our current environment, but if we start running 3477 // into situations where we have more than 5 or 10 matches then this 3478 // should probably be changed to something smarter... 3479 3480 // First we go through and resolve each of the specific items 3481 // that were supplied, taking care of removing any corresponding 3482 // duplicate items in the generic resolve list. 3483 if (specifics != null) { 3484 for (int i=0; i<specifics.length; i++) { 3485 final Intent sintent = specifics[i]; 3486 if (sintent == null) { 3487 continue; 3488 } 3489 3490 if (DEBUG_INTENT_MATCHING) { 3491 Log.v(TAG, "Specific #" + i + ": " + sintent); 3492 } 3493 3494 String action = sintent.getAction(); 3495 if (resultsAction != null && resultsAction.equals(action)) { 3496 // If this action was explicitly requested, then don't 3497 // remove things that have it. 3498 action = null; 3499 } 3500 3501 ResolveInfo ri = null; 3502 ActivityInfo ai = null; 3503 3504 ComponentName comp = sintent.getComponent(); 3505 if (comp == null) { 3506 ri = resolveIntent( 3507 sintent, 3508 specificTypes != null ? specificTypes[i] : null, 3509 flags, userId); 3510 if (ri == null) { 3511 continue; 3512 } 3513 if (ri == mResolveInfo) { 3514 // ACK! Must do something better with this. 3515 } 3516 ai = ri.activityInfo; 3517 comp = new ComponentName(ai.applicationInfo.packageName, 3518 ai.name); 3519 } else { 3520 ai = getActivityInfo(comp, flags, userId); 3521 if (ai == null) { 3522 continue; 3523 } 3524 } 3525 3526 // Look for any generic query activities that are duplicates 3527 // of this specific one, and remove them from the results. 3528 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3529 N = results.size(); 3530 int j; 3531 for (j=specificsPos; j<N; j++) { 3532 ResolveInfo sri = results.get(j); 3533 if ((sri.activityInfo.name.equals(comp.getClassName()) 3534 && sri.activityInfo.applicationInfo.packageName.equals( 3535 comp.getPackageName())) 3536 || (action != null && sri.filter.matchAction(action))) { 3537 results.remove(j); 3538 if (DEBUG_INTENT_MATCHING) Log.v( 3539 TAG, "Removing duplicate item from " + j 3540 + " due to specific " + specificsPos); 3541 if (ri == null) { 3542 ri = sri; 3543 } 3544 j--; 3545 N--; 3546 } 3547 } 3548 3549 // Add this specific item to its proper place. 3550 if (ri == null) { 3551 ri = new ResolveInfo(); 3552 ri.activityInfo = ai; 3553 } 3554 results.add(specificsPos, ri); 3555 ri.specificIndex = i; 3556 specificsPos++; 3557 } 3558 } 3559 3560 // Now we go through the remaining generic results and remove any 3561 // duplicate actions that are found here. 3562 N = results.size(); 3563 for (int i=specificsPos; i<N-1; i++) { 3564 final ResolveInfo rii = results.get(i); 3565 if (rii.filter == null) { 3566 continue; 3567 } 3568 3569 // Iterate over all of the actions of this result's intent 3570 // filter... typically this should be just one. 3571 final Iterator<String> it = rii.filter.actionsIterator(); 3572 if (it == null) { 3573 continue; 3574 } 3575 while (it.hasNext()) { 3576 final String action = it.next(); 3577 if (resultsAction != null && resultsAction.equals(action)) { 3578 // If this action was explicitly requested, then don't 3579 // remove things that have it. 3580 continue; 3581 } 3582 for (int j=i+1; j<N; j++) { 3583 final ResolveInfo rij = results.get(j); 3584 if (rij.filter != null && rij.filter.hasAction(action)) { 3585 results.remove(j); 3586 if (DEBUG_INTENT_MATCHING) Log.v( 3587 TAG, "Removing duplicate item from " + j 3588 + " due to action " + action + " at " + i); 3589 j--; 3590 N--; 3591 } 3592 } 3593 } 3594 3595 // If the caller didn't request filter information, drop it now 3596 // so we don't have to marshall/unmarshall it. 3597 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3598 rii.filter = null; 3599 } 3600 } 3601 3602 // Filter out the caller activity if so requested. 3603 if (caller != null) { 3604 N = results.size(); 3605 for (int i=0; i<N; i++) { 3606 ActivityInfo ainfo = results.get(i).activityInfo; 3607 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3608 && caller.getClassName().equals(ainfo.name)) { 3609 results.remove(i); 3610 break; 3611 } 3612 } 3613 } 3614 3615 // If the caller didn't request filter information, 3616 // drop them now so we don't have to 3617 // marshall/unmarshall it. 3618 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3619 N = results.size(); 3620 for (int i=0; i<N; i++) { 3621 results.get(i).filter = null; 3622 } 3623 } 3624 3625 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3626 return results; 3627 } 3628 3629 @Override 3630 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3631 int userId) { 3632 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3633 ComponentName comp = intent.getComponent(); 3634 if (comp == null) { 3635 if (intent.getSelector() != null) { 3636 intent = intent.getSelector(); 3637 comp = intent.getComponent(); 3638 } 3639 } 3640 if (comp != null) { 3641 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3642 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3643 if (ai != null) { 3644 ResolveInfo ri = new ResolveInfo(); 3645 ri.activityInfo = ai; 3646 list.add(ri); 3647 } 3648 return list; 3649 } 3650 3651 // reader 3652 synchronized (mPackages) { 3653 String pkgName = intent.getPackage(); 3654 if (pkgName == null) { 3655 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3656 } 3657 final PackageParser.Package pkg = mPackages.get(pkgName); 3658 if (pkg != null) { 3659 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3660 userId); 3661 } 3662 return null; 3663 } 3664 } 3665 3666 @Override 3667 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3668 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3669 if (!sUserManager.exists(userId)) return null; 3670 if (query != null) { 3671 if (query.size() >= 1) { 3672 // If there is more than one service with the same priority, 3673 // just arbitrarily pick the first one. 3674 return query.get(0); 3675 } 3676 } 3677 return null; 3678 } 3679 3680 @Override 3681 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3682 int userId) { 3683 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3684 ComponentName comp = intent.getComponent(); 3685 if (comp == null) { 3686 if (intent.getSelector() != null) { 3687 intent = intent.getSelector(); 3688 comp = intent.getComponent(); 3689 } 3690 } 3691 if (comp != null) { 3692 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3693 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3694 if (si != null) { 3695 final ResolveInfo ri = new ResolveInfo(); 3696 ri.serviceInfo = si; 3697 list.add(ri); 3698 } 3699 return list; 3700 } 3701 3702 // reader 3703 synchronized (mPackages) { 3704 String pkgName = intent.getPackage(); 3705 if (pkgName == null) { 3706 return mServices.queryIntent(intent, resolvedType, flags, userId); 3707 } 3708 final PackageParser.Package pkg = mPackages.get(pkgName); 3709 if (pkg != null) { 3710 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3711 userId); 3712 } 3713 return null; 3714 } 3715 } 3716 3717 @Override 3718 public List<ResolveInfo> queryIntentContentProviders( 3719 Intent intent, String resolvedType, int flags, int userId) { 3720 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3721 ComponentName comp = intent.getComponent(); 3722 if (comp == null) { 3723 if (intent.getSelector() != null) { 3724 intent = intent.getSelector(); 3725 comp = intent.getComponent(); 3726 } 3727 } 3728 if (comp != null) { 3729 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3730 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3731 if (pi != null) { 3732 final ResolveInfo ri = new ResolveInfo(); 3733 ri.providerInfo = pi; 3734 list.add(ri); 3735 } 3736 return list; 3737 } 3738 3739 // reader 3740 synchronized (mPackages) { 3741 String pkgName = intent.getPackage(); 3742 if (pkgName == null) { 3743 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3744 } 3745 final PackageParser.Package pkg = mPackages.get(pkgName); 3746 if (pkg != null) { 3747 return mProviders.queryIntentForPackage( 3748 intent, resolvedType, flags, pkg.providers, userId); 3749 } 3750 return null; 3751 } 3752 } 3753 3754 @Override 3755 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3756 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3757 3758 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3759 3760 // writer 3761 synchronized (mPackages) { 3762 ArrayList<PackageInfo> list; 3763 if (listUninstalled) { 3764 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3765 for (PackageSetting ps : mSettings.mPackages.values()) { 3766 PackageInfo pi; 3767 if (ps.pkg != null) { 3768 pi = generatePackageInfo(ps.pkg, flags, userId); 3769 } else { 3770 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3771 } 3772 if (pi != null) { 3773 list.add(pi); 3774 } 3775 } 3776 } else { 3777 list = new ArrayList<PackageInfo>(mPackages.size()); 3778 for (PackageParser.Package p : mPackages.values()) { 3779 PackageInfo pi = generatePackageInfo(p, flags, userId); 3780 if (pi != null) { 3781 list.add(pi); 3782 } 3783 } 3784 } 3785 3786 return new ParceledListSlice<PackageInfo>(list); 3787 } 3788 } 3789 3790 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3791 String[] permissions, boolean[] tmp, int flags, int userId) { 3792 int numMatch = 0; 3793 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3794 for (int i=0; i<permissions.length; i++) { 3795 if (gp.grantedPermissions.contains(permissions[i])) { 3796 tmp[i] = true; 3797 numMatch++; 3798 } else { 3799 tmp[i] = false; 3800 } 3801 } 3802 if (numMatch == 0) { 3803 return; 3804 } 3805 PackageInfo pi; 3806 if (ps.pkg != null) { 3807 pi = generatePackageInfo(ps.pkg, flags, userId); 3808 } else { 3809 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3810 } 3811 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3812 if (numMatch == permissions.length) { 3813 pi.requestedPermissions = permissions; 3814 } else { 3815 pi.requestedPermissions = new String[numMatch]; 3816 numMatch = 0; 3817 for (int i=0; i<permissions.length; i++) { 3818 if (tmp[i]) { 3819 pi.requestedPermissions[numMatch] = permissions[i]; 3820 numMatch++; 3821 } 3822 } 3823 } 3824 } 3825 list.add(pi); 3826 } 3827 3828 @Override 3829 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3830 String[] permissions, int flags, int userId) { 3831 if (!sUserManager.exists(userId)) return null; 3832 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3833 3834 // writer 3835 synchronized (mPackages) { 3836 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3837 boolean[] tmpBools = new boolean[permissions.length]; 3838 if (listUninstalled) { 3839 for (PackageSetting ps : mSettings.mPackages.values()) { 3840 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3841 } 3842 } else { 3843 for (PackageParser.Package pkg : mPackages.values()) { 3844 PackageSetting ps = (PackageSetting)pkg.mExtras; 3845 if (ps != null) { 3846 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3847 userId); 3848 } 3849 } 3850 } 3851 3852 return new ParceledListSlice<PackageInfo>(list); 3853 } 3854 } 3855 3856 @Override 3857 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3858 if (!sUserManager.exists(userId)) return null; 3859 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3860 3861 // writer 3862 synchronized (mPackages) { 3863 ArrayList<ApplicationInfo> list; 3864 if (listUninstalled) { 3865 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3866 for (PackageSetting ps : mSettings.mPackages.values()) { 3867 ApplicationInfo ai; 3868 if (ps.pkg != null) { 3869 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3870 ps.readUserState(userId), userId); 3871 } else { 3872 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3873 } 3874 if (ai != null) { 3875 list.add(ai); 3876 } 3877 } 3878 } else { 3879 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3880 for (PackageParser.Package p : mPackages.values()) { 3881 if (p.mExtras != null) { 3882 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3883 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3884 if (ai != null) { 3885 list.add(ai); 3886 } 3887 } 3888 } 3889 } 3890 3891 return new ParceledListSlice<ApplicationInfo>(list); 3892 } 3893 } 3894 3895 public List<ApplicationInfo> getPersistentApplications(int flags) { 3896 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3897 3898 // reader 3899 synchronized (mPackages) { 3900 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3901 final int userId = UserHandle.getCallingUserId(); 3902 while (i.hasNext()) { 3903 final PackageParser.Package p = i.next(); 3904 if (p.applicationInfo != null 3905 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3906 && (!mSafeMode || isSystemApp(p))) { 3907 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3908 if (ps != null) { 3909 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3910 ps.readUserState(userId), userId); 3911 if (ai != null) { 3912 finalList.add(ai); 3913 } 3914 } 3915 } 3916 } 3917 } 3918 3919 return finalList; 3920 } 3921 3922 @Override 3923 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3924 if (!sUserManager.exists(userId)) return null; 3925 // reader 3926 synchronized (mPackages) { 3927 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3928 PackageSetting ps = provider != null 3929 ? mSettings.mPackages.get(provider.owner.packageName) 3930 : null; 3931 return ps != null 3932 && mSettings.isEnabledLPr(provider.info, flags, userId) 3933 && (!mSafeMode || (provider.info.applicationInfo.flags 3934 &ApplicationInfo.FLAG_SYSTEM) != 0) 3935 ? PackageParser.generateProviderInfo(provider, flags, 3936 ps.readUserState(userId), userId) 3937 : null; 3938 } 3939 } 3940 3941 /** 3942 * @deprecated 3943 */ 3944 @Deprecated 3945 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3946 // reader 3947 synchronized (mPackages) { 3948 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3949 .entrySet().iterator(); 3950 final int userId = UserHandle.getCallingUserId(); 3951 while (i.hasNext()) { 3952 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3953 PackageParser.Provider p = entry.getValue(); 3954 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3955 3956 if (ps != null && p.syncable 3957 && (!mSafeMode || (p.info.applicationInfo.flags 3958 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3959 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3960 ps.readUserState(userId), userId); 3961 if (info != null) { 3962 outNames.add(entry.getKey()); 3963 outInfo.add(info); 3964 } 3965 } 3966 } 3967 } 3968 } 3969 3970 @Override 3971 public List<ProviderInfo> queryContentProviders(String processName, 3972 int uid, int flags) { 3973 ArrayList<ProviderInfo> finalList = null; 3974 // reader 3975 synchronized (mPackages) { 3976 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3977 final int userId = processName != null ? 3978 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3979 while (i.hasNext()) { 3980 final PackageParser.Provider p = i.next(); 3981 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3982 if (ps != null && p.info.authority != null 3983 && (processName == null 3984 || (p.info.processName.equals(processName) 3985 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3986 && mSettings.isEnabledLPr(p.info, flags, userId) 3987 && (!mSafeMode 3988 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3989 if (finalList == null) { 3990 finalList = new ArrayList<ProviderInfo>(3); 3991 } 3992 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3993 ps.readUserState(userId), userId); 3994 if (info != null) { 3995 finalList.add(info); 3996 } 3997 } 3998 } 3999 } 4000 4001 if (finalList != null) { 4002 Collections.sort(finalList, mProviderInitOrderSorter); 4003 } 4004 4005 return finalList; 4006 } 4007 4008 @Override 4009 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4010 int flags) { 4011 // reader 4012 synchronized (mPackages) { 4013 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4014 return PackageParser.generateInstrumentationInfo(i, flags); 4015 } 4016 } 4017 4018 @Override 4019 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4020 int flags) { 4021 ArrayList<InstrumentationInfo> finalList = 4022 new ArrayList<InstrumentationInfo>(); 4023 4024 // reader 4025 synchronized (mPackages) { 4026 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4027 while (i.hasNext()) { 4028 final PackageParser.Instrumentation p = i.next(); 4029 if (targetPackage == null 4030 || targetPackage.equals(p.info.targetPackage)) { 4031 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4032 flags); 4033 if (ii != null) { 4034 finalList.add(ii); 4035 } 4036 } 4037 } 4038 } 4039 4040 return finalList; 4041 } 4042 4043 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4044 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4045 if (overlays == null) { 4046 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4047 return; 4048 } 4049 for (PackageParser.Package opkg : overlays.values()) { 4050 // Not much to do if idmap fails: we already logged the error 4051 // and we certainly don't want to abort installation of pkg simply 4052 // because an overlay didn't fit properly. For these reasons, 4053 // ignore the return value of createIdmapForPackagePairLI. 4054 createIdmapForPackagePairLI(pkg, opkg); 4055 } 4056 } 4057 4058 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4059 PackageParser.Package opkg) { 4060 if (!opkg.mTrustedOverlay) { 4061 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4062 opkg.baseCodePath + ": overlay not trusted"); 4063 return false; 4064 } 4065 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4066 if (overlaySet == null) { 4067 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4068 opkg.baseCodePath + " but target package has no known overlays"); 4069 return false; 4070 } 4071 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4072 // TODO: generate idmap for split APKs 4073 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4074 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4075 + opkg.baseCodePath); 4076 return false; 4077 } 4078 PackageParser.Package[] overlayArray = 4079 overlaySet.values().toArray(new PackageParser.Package[0]); 4080 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4081 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4082 return p1.mOverlayPriority - p2.mOverlayPriority; 4083 } 4084 }; 4085 Arrays.sort(overlayArray, cmp); 4086 4087 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4088 int i = 0; 4089 for (PackageParser.Package p : overlayArray) { 4090 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4091 } 4092 return true; 4093 } 4094 4095 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4096 final File[] files = dir.listFiles(); 4097 if (ArrayUtils.isEmpty(files)) { 4098 Log.d(TAG, "No files in app dir " + dir); 4099 return; 4100 } 4101 4102 if (DEBUG_PACKAGE_SCANNING) { 4103 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4104 + " flags=0x" + Integer.toHexString(flags)); 4105 } 4106 4107 for (File file : files) { 4108 final boolean isPackage = isApkFile(file) || file.isDirectory(); 4109 if (!isPackage) { 4110 // Ignore entries which are not apk's 4111 continue; 4112 } 4113 try { 4114 scanPackageLI(file, flags | PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, 4115 null, null); 4116 } catch (PackageManagerException e) { 4117 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4118 4119 // Don't mess around with apps in system partition. 4120 if ((flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4121 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4122 // Delete the apk 4123 Slog.w(TAG, "Cleaning up failed install of " + file); 4124 file.delete(); 4125 } 4126 } 4127 } 4128 } 4129 4130 private static File getSettingsProblemFile() { 4131 File dataDir = Environment.getDataDirectory(); 4132 File systemDir = new File(dataDir, "system"); 4133 File fname = new File(systemDir, "uiderrors.txt"); 4134 return fname; 4135 } 4136 4137 static void reportSettingsProblem(int priority, String msg) { 4138 try { 4139 File fname = getSettingsProblemFile(); 4140 FileOutputStream out = new FileOutputStream(fname, true); 4141 PrintWriter pw = new FastPrintWriter(out); 4142 SimpleDateFormat formatter = new SimpleDateFormat(); 4143 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4144 pw.println(dateString + ": " + msg); 4145 pw.close(); 4146 FileUtils.setPermissions( 4147 fname.toString(), 4148 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4149 -1, -1); 4150 } catch (java.io.IOException e) { 4151 } 4152 Slog.println(priority, TAG, msg); 4153 } 4154 4155 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4156 PackageParser.Package pkg, File srcFile, int parseFlags) 4157 throws PackageManagerException { 4158 if (ps != null 4159 && ps.codePath.equals(srcFile) 4160 && ps.timeStamp == srcFile.lastModified() 4161 && !isCompatSignatureUpdateNeeded(pkg)) { 4162 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4163 if (ps.signatures.mSignatures != null 4164 && ps.signatures.mSignatures.length != 0 4165 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4166 // Optimization: reuse the existing cached certificates 4167 // if the package appears to be unchanged. 4168 pkg.mSignatures = ps.signatures.mSignatures; 4169 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4170 synchronized (mPackages) { 4171 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4172 } 4173 return; 4174 } 4175 4176 Slog.w(TAG, "PackageSetting for " + ps.name 4177 + " is missing signatures. Collecting certs again to recover them."); 4178 } else { 4179 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4180 } 4181 4182 try { 4183 pp.collectCertificates(pkg, parseFlags); 4184 pp.collectManifestDigest(pkg); 4185 } catch (PackageParserException e) { 4186 throw new PackageManagerException(e.error, "Failed to collect certificates for " 4187 + pkg.packageName + ": " + e.getMessage()); 4188 } 4189 } 4190 4191 /* 4192 * Scan a package and return the newly parsed package. 4193 * Returns null in case of errors and the error code is stored in mLastScanError 4194 */ 4195 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode, 4196 long currentTime, UserHandle user, String abiOverride) throws PackageManagerException { 4197 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4198 parseFlags |= mDefParseFlags; 4199 PackageParser pp = new PackageParser(); 4200 pp.setSeparateProcesses(mSeparateProcesses); 4201 pp.setOnlyCoreApps(mOnlyCore); 4202 pp.setDisplayMetrics(mMetrics); 4203 4204 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4205 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4206 } 4207 4208 final PackageParser.Package pkg; 4209 try { 4210 pkg = pp.parsePackage(scanFile, parseFlags); 4211 } catch (PackageParserException e) { 4212 throw new PackageManagerException(e.error, 4213 "Failed to scan " + scanFile + ": " + e.getMessage()); 4214 } 4215 4216 PackageSetting ps = null; 4217 PackageSetting updatedPkg; 4218 // reader 4219 synchronized (mPackages) { 4220 // Look to see if we already know about this package. 4221 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4222 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4223 // This package has been renamed to its original name. Let's 4224 // use that. 4225 ps = mSettings.peekPackageLPr(oldName); 4226 } 4227 // If there was no original package, see one for the real package name. 4228 if (ps == null) { 4229 ps = mSettings.peekPackageLPr(pkg.packageName); 4230 } 4231 // Check to see if this package could be hiding/updating a system 4232 // package. Must look for it either under the original or real 4233 // package name depending on our state. 4234 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4235 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4236 } 4237 boolean updatedPkgBetter = false; 4238 // First check if this is a system package that may involve an update 4239 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4240 if (ps != null && !ps.codePath.equals(scanFile)) { 4241 // The path has changed from what was last scanned... check the 4242 // version of the new path against what we have stored to determine 4243 // what to do. 4244 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4245 if (pkg.mVersionCode < ps.versionCode) { 4246 // The system package has been updated and the code path does not match 4247 // Ignore entry. Skip it. 4248 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4249 + " ignored: updated version " + ps.versionCode 4250 + " better than this " + pkg.mVersionCode); 4251 if (!updatedPkg.codePath.equals(scanFile)) { 4252 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4253 + ps.name + " changing from " + updatedPkg.codePathString 4254 + " to " + scanFile); 4255 updatedPkg.codePath = scanFile; 4256 updatedPkg.codePathString = scanFile.toString(); 4257 // This is the point at which we know that the system-disk APK 4258 // for this package has moved during a reboot (e.g. due to an OTA), 4259 // so we need to reevaluate it for privilege policy. 4260 if (locationIsPrivileged(scanFile)) { 4261 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4262 } 4263 } 4264 updatedPkg.pkg = pkg; 4265 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4266 } else { 4267 // The current app on the system partition is better than 4268 // what we have updated to on the data partition; switch 4269 // back to the system partition version. 4270 // At this point, its safely assumed that package installation for 4271 // apps in system partition will go through. If not there won't be a working 4272 // version of the app 4273 // writer 4274 synchronized (mPackages) { 4275 // Just remove the loaded entries from package lists. 4276 mPackages.remove(ps.name); 4277 } 4278 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4279 + "reverting from " + ps.codePathString 4280 + ": new version " + pkg.mVersionCode 4281 + " better than installed " + ps.versionCode); 4282 4283 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4284 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4285 getAppDexInstructionSets(ps), isMultiArch(ps)); 4286 synchronized (mInstallLock) { 4287 args.cleanUpResourcesLI(); 4288 } 4289 synchronized (mPackages) { 4290 mSettings.enableSystemPackageLPw(ps.name); 4291 } 4292 updatedPkgBetter = true; 4293 } 4294 } 4295 } 4296 4297 if (updatedPkg != null) { 4298 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4299 // initially 4300 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4301 4302 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4303 // flag set initially 4304 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4305 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4306 } 4307 } 4308 4309 // Verify certificates against what was last scanned 4310 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4311 4312 /* 4313 * A new system app appeared, but we already had a non-system one of the 4314 * same name installed earlier. 4315 */ 4316 boolean shouldHideSystemApp = false; 4317 if (updatedPkg == null && ps != null 4318 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4319 /* 4320 * Check to make sure the signatures match first. If they don't, 4321 * wipe the installed application and its data. 4322 */ 4323 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4324 != PackageManager.SIGNATURE_MATCH) { 4325 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4326 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4327 ps = null; 4328 } else { 4329 /* 4330 * If the newly-added system app is an older version than the 4331 * already installed version, hide it. It will be scanned later 4332 * and re-added like an update. 4333 */ 4334 if (pkg.mVersionCode < ps.versionCode) { 4335 shouldHideSystemApp = true; 4336 } else { 4337 /* 4338 * The newly found system app is a newer version that the 4339 * one previously installed. Simply remove the 4340 * already-installed application and replace it with our own 4341 * while keeping the application data. 4342 */ 4343 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4344 + ps.codePathString + ": new version " + pkg.mVersionCode 4345 + " better than installed " + ps.versionCode); 4346 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4347 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4348 getAppDexInstructionSets(ps), isMultiArch(ps)); 4349 synchronized (mInstallLock) { 4350 args.cleanUpResourcesLI(); 4351 } 4352 } 4353 } 4354 } 4355 4356 // The apk is forward locked (not public) if its code and resources 4357 // are kept in different files. (except for app in either system or 4358 // vendor path). 4359 // TODO grab this value from PackageSettings 4360 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4361 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4362 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4363 } 4364 } 4365 4366 // TODO: extend to support forward-locked splits 4367 String resourcePath = null; 4368 String baseResourcePath = null; 4369 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4370 if (ps != null && ps.resourcePathString != null) { 4371 resourcePath = ps.resourcePathString; 4372 baseResourcePath = ps.resourcePathString; 4373 } else { 4374 // Should not happen at all. Just log an error. 4375 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4376 } 4377 } else { 4378 resourcePath = pkg.codePath; 4379 baseResourcePath = pkg.baseCodePath; 4380 } 4381 4382 // Set application objects path explicitly. 4383 pkg.applicationInfo.setCodePath(pkg.codePath); 4384 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4385 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4386 pkg.applicationInfo.setResourcePath(resourcePath); 4387 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4388 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4389 4390 // Note that we invoke the following method only if we are about to unpack an application 4391 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4392 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4393 4394 /* 4395 * If the system app should be overridden by a previously installed 4396 * data, hide the system app now and let the /data/app scan pick it up 4397 * again. 4398 */ 4399 if (shouldHideSystemApp) { 4400 synchronized (mPackages) { 4401 /* 4402 * We have to grant systems permissions before we hide, because 4403 * grantPermissions will assume the package update is trying to 4404 * expand its permissions. 4405 */ 4406 grantPermissionsLPw(pkg, true); 4407 mSettings.disableSystemPackageLPw(pkg.packageName); 4408 } 4409 } 4410 4411 return scannedPkg; 4412 } 4413 4414 private static String fixProcessName(String defProcessName, 4415 String processName, int uid) { 4416 if (processName == null) { 4417 return defProcessName; 4418 } 4419 return processName; 4420 } 4421 4422 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4423 throws PackageManagerException { 4424 if (pkgSetting.signatures.mSignatures != null) { 4425 // Already existing package. Make sure signatures match 4426 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4427 == PackageManager.SIGNATURE_MATCH; 4428 if (!match) { 4429 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4430 == PackageManager.SIGNATURE_MATCH; 4431 } 4432 if (!match) { 4433 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4434 + pkg.packageName + " signatures do not match the " 4435 + "previously installed version; ignoring!"); 4436 } 4437 } 4438 4439 // Check for shared user signatures 4440 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4441 // Already existing package. Make sure signatures match 4442 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4443 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4444 if (!match) { 4445 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4446 == PackageManager.SIGNATURE_MATCH; 4447 } 4448 if (!match) { 4449 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4450 "Package " + pkg.packageName 4451 + " has no signatures that match those in shared user " 4452 + pkgSetting.sharedUser.name + "; ignoring!"); 4453 } 4454 } 4455 } 4456 4457 /** 4458 * Enforces that only the system UID or root's UID can call a method exposed 4459 * via Binder. 4460 * 4461 * @param message used as message if SecurityException is thrown 4462 * @throws SecurityException if the caller is not system or root 4463 */ 4464 private static final void enforceSystemOrRoot(String message) { 4465 final int uid = Binder.getCallingUid(); 4466 if (uid != Process.SYSTEM_UID && uid != 0) { 4467 throw new SecurityException(message); 4468 } 4469 } 4470 4471 @Override 4472 public void performBootDexOpt() { 4473 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4474 4475 final HashSet<PackageParser.Package> pkgs; 4476 synchronized (mPackages) { 4477 pkgs = mDeferredDexOpt; 4478 mDeferredDexOpt = null; 4479 } 4480 4481 if (pkgs != null) { 4482 // Filter out packages that aren't recently used. 4483 // 4484 // The exception is first boot of a non-eng device, which 4485 // should do a full dexopt. 4486 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4487 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4488 // TODO: add a property to control this? 4489 long dexOptLRUThresholdInMinutes; 4490 if (eng) { 4491 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4492 } else { 4493 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4494 } 4495 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4496 4497 int total = pkgs.size(); 4498 int skipped = 0; 4499 long now = System.currentTimeMillis(); 4500 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4501 PackageParser.Package pkg = i.next(); 4502 long then = pkg.mLastPackageUsageTimeInMills; 4503 if (then + dexOptLRUThresholdInMills < now) { 4504 if (DEBUG_DEXOPT) { 4505 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4506 ((then == 0) ? "never" : new Date(then))); 4507 } 4508 i.remove(); 4509 skipped++; 4510 } 4511 } 4512 if (DEBUG_DEXOPT) { 4513 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4514 } 4515 } 4516 4517 int i = 0; 4518 for (PackageParser.Package pkg : pkgs) { 4519 i++; 4520 if (DEBUG_DEXOPT) { 4521 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4522 + ": " + pkg.packageName); 4523 } 4524 if (!isFirstBoot()) { 4525 try { 4526 ActivityManagerNative.getDefault().showBootMessage( 4527 mContext.getResources().getString( 4528 R.string.android_upgrading_apk, 4529 i, pkgs.size()), true); 4530 } catch (RemoteException e) { 4531 } 4532 } 4533 PackageParser.Package p = pkg; 4534 synchronized (mInstallLock) { 4535 if (p.mDexOptNeeded) { 4536 performDexOptLI(p, false /* force dex */, false /* defer */, 4537 true /* include dependencies */); 4538 } 4539 } 4540 } 4541 } 4542 } 4543 4544 @Override 4545 public boolean performDexOpt(String packageName) { 4546 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4547 return performDexOpt(packageName, true); 4548 } 4549 4550 public boolean performDexOpt(String packageName, boolean updateUsage) { 4551 4552 PackageParser.Package p; 4553 synchronized (mPackages) { 4554 p = mPackages.get(packageName); 4555 if (p == null) { 4556 return false; 4557 } 4558 if (updateUsage) { 4559 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4560 } 4561 mPackageUsage.write(false); 4562 if (!p.mDexOptNeeded) { 4563 return false; 4564 } 4565 } 4566 4567 synchronized (mInstallLock) { 4568 return performDexOptLI(p, false /* force dex */, false /* defer */, 4569 true /* include dependencies */) == DEX_OPT_PERFORMED; 4570 } 4571 } 4572 4573 public HashSet<String> getPackagesThatNeedDexOpt() { 4574 HashSet<String> pkgs = null; 4575 synchronized (mPackages) { 4576 for (PackageParser.Package p : mPackages.values()) { 4577 if (DEBUG_DEXOPT) { 4578 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4579 } 4580 if (!p.mDexOptNeeded) { 4581 continue; 4582 } 4583 if (pkgs == null) { 4584 pkgs = new HashSet<String>(); 4585 } 4586 pkgs.add(p.packageName); 4587 } 4588 } 4589 return pkgs; 4590 } 4591 4592 public void shutdown() { 4593 mPackageUsage.write(true); 4594 } 4595 4596 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4597 boolean forceDex, boolean defer, HashSet<String> done) { 4598 for (int i=0; i<libs.size(); i++) { 4599 PackageParser.Package libPkg; 4600 String libName; 4601 synchronized (mPackages) { 4602 libName = libs.get(i); 4603 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4604 if (lib != null && lib.apk != null) { 4605 libPkg = mPackages.get(lib.apk); 4606 } else { 4607 libPkg = null; 4608 } 4609 } 4610 if (libPkg != null && !done.contains(libName)) { 4611 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4612 } 4613 } 4614 } 4615 4616 static final int DEX_OPT_SKIPPED = 0; 4617 static final int DEX_OPT_PERFORMED = 1; 4618 static final int DEX_OPT_DEFERRED = 2; 4619 static final int DEX_OPT_FAILED = -1; 4620 4621 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4622 boolean forceDex, boolean defer, HashSet<String> done) { 4623 final String[] instructionSets = targetInstructionSets != null ? 4624 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4625 4626 if (done != null) { 4627 done.add(pkg.packageName); 4628 if (pkg.usesLibraries != null) { 4629 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4630 } 4631 if (pkg.usesOptionalLibraries != null) { 4632 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4633 } 4634 } 4635 4636 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4637 return DEX_OPT_SKIPPED; 4638 } 4639 4640 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4641 boolean performedDexOpt = false; 4642 // There are three basic cases here: 4643 // 1.) we need to dexopt, either because we are forced or it is needed 4644 // 2.) we are defering a needed dexopt 4645 // 3.) we are skipping an unneeded dexopt 4646 for (String path : paths) { 4647 for (String instructionSet : instructionSets) { 4648 try { 4649 final boolean isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4650 pkg.packageName, instructionSet, defer); 4651 if (forceDex || (!defer && isDexOptNeeded)) { 4652 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4653 + pkg.applicationInfo.packageName + " isa=" + instructionSet); 4654 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4655 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4656 pkg.packageName, instructionSet); 4657 4658 if (ret < 0) { 4659 // Don't bother running dexopt again if we failed, it will probably 4660 // just result in an error again. Also, don't bother dexopting for other 4661 // paths & ISAs. 4662 pkg.mDexOptNeeded = false; 4663 return DEX_OPT_FAILED; 4664 } else { 4665 performedDexOpt = true; 4666 } 4667 } 4668 4669 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4670 // paths and instruction sets. We'll deal with them all together when we process 4671 // our list of deferred dexopts. 4672 if (defer && isDexOptNeeded) { 4673 if (mDeferredDexOpt == null) { 4674 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4675 } 4676 mDeferredDexOpt.add(pkg); 4677 return DEX_OPT_DEFERRED; 4678 } 4679 } catch (FileNotFoundException e) { 4680 Slog.w(TAG, "Apk not found for dexopt: " + path); 4681 return DEX_OPT_FAILED; 4682 } catch (IOException e) { 4683 Slog.w(TAG, "IOException reading apk: " + path, e); 4684 return DEX_OPT_FAILED; 4685 } catch (StaleDexCacheError e) { 4686 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4687 return DEX_OPT_FAILED; 4688 } catch (Exception e) { 4689 Slog.w(TAG, "Exception when doing dexopt : ", e); 4690 return DEX_OPT_FAILED; 4691 } 4692 } 4693 } 4694 4695 // If we've gotten here, we're sure that no error occurred and that we haven't 4696 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4697 // we've skipped all of them because they are up to date. In both cases this 4698 // package doesn't need dexopt any longer. 4699 pkg.mDexOptNeeded = false; 4700 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4701 } 4702 4703 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4704 if (info.primaryCpuAbi != null) { 4705 if (info.secondaryCpuAbi != null) { 4706 return new String[] { 4707 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4708 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4709 } else { 4710 return new String[] { 4711 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4712 } 4713 } 4714 4715 return new String[] { getPreferredInstructionSet() }; 4716 } 4717 4718 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4719 if (ps.primaryCpuAbiString != null) { 4720 if (ps.secondaryCpuAbiString != null) { 4721 return new String[] { 4722 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4723 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4724 } else { 4725 return new String[] { 4726 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4727 } 4728 } 4729 4730 return new String[] { getPreferredInstructionSet() }; 4731 } 4732 4733 private static String getPreferredInstructionSet() { 4734 if (sPreferredInstructionSet == null) { 4735 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4736 } 4737 4738 return sPreferredInstructionSet; 4739 } 4740 4741 private static List<String> getAllInstructionSets() { 4742 final String[] allAbis = Build.SUPPORTED_ABIS; 4743 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4744 4745 for (String abi : allAbis) { 4746 final String instructionSet = VMRuntime.getInstructionSet(abi); 4747 if (!allInstructionSets.contains(instructionSet)) { 4748 allInstructionSets.add(instructionSet); 4749 } 4750 } 4751 4752 return allInstructionSets; 4753 } 4754 4755 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4756 boolean inclDependencies) { 4757 HashSet<String> done; 4758 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4759 done = new HashSet<String>(); 4760 done.add(pkg.packageName); 4761 } else { 4762 done = null; 4763 } 4764 return performDexOptLI(pkg, null /* target instruction sets */, forceDex, defer, done); 4765 } 4766 4767 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4768 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4769 Slog.w(TAG, "Unable to update from " + oldPkg.name 4770 + " to " + newPkg.packageName 4771 + ": old package not in system partition"); 4772 return false; 4773 } else if (mPackages.get(oldPkg.name) != null) { 4774 Slog.w(TAG, "Unable to update from " + oldPkg.name 4775 + " to " + newPkg.packageName 4776 + ": old package still exists"); 4777 return false; 4778 } 4779 return true; 4780 } 4781 4782 File getDataPathForUser(int userId) { 4783 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4784 } 4785 4786 private File getDataPathForPackage(String packageName, int userId) { 4787 /* 4788 * Until we fully support multiple users, return the directory we 4789 * previously would have. The PackageManagerTests will need to be 4790 * revised when this is changed back.. 4791 */ 4792 if (userId == 0) { 4793 return new File(mAppDataDir, packageName); 4794 } else { 4795 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4796 + File.separator + packageName); 4797 } 4798 } 4799 4800 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4801 int[] users = sUserManager.getUserIds(); 4802 int res = mInstaller.install(packageName, uid, uid, seinfo); 4803 if (res < 0) { 4804 return res; 4805 } 4806 for (int user : users) { 4807 if (user != 0) { 4808 res = mInstaller.createUserData(packageName, 4809 UserHandle.getUid(user, uid), user, seinfo); 4810 if (res < 0) { 4811 return res; 4812 } 4813 } 4814 } 4815 return res; 4816 } 4817 4818 private int removeDataDirsLI(String packageName) { 4819 int[] users = sUserManager.getUserIds(); 4820 int res = 0; 4821 for (int user : users) { 4822 int resInner = mInstaller.remove(packageName, user); 4823 if (resInner < 0) { 4824 res = resInner; 4825 } 4826 } 4827 4828 return res; 4829 } 4830 4831 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4832 PackageParser.Package changingLib) { 4833 if (file.path != null) { 4834 usesLibraryFiles.add(file.path); 4835 return; 4836 } 4837 PackageParser.Package p = mPackages.get(file.apk); 4838 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4839 // If we are doing this while in the middle of updating a library apk, 4840 // then we need to make sure to use that new apk for determining the 4841 // dependencies here. (We haven't yet finished committing the new apk 4842 // to the package manager state.) 4843 if (p == null || p.packageName.equals(changingLib.packageName)) { 4844 p = changingLib; 4845 } 4846 } 4847 if (p != null) { 4848 usesLibraryFiles.addAll(p.getAllCodePaths()); 4849 } 4850 } 4851 4852 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4853 PackageParser.Package changingLib) throws PackageManagerException { 4854 // We might be upgrading from a version of the platform that did not 4855 // provide per-package native library directories for system apps. 4856 // Fix that up here. 4857 if (isSystemApp(pkg)) { 4858 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4859 if (!isUpdatedSystemApp(pkg)) { 4860 setBundledAppAbisAndRoots(pkg, ps); 4861 } 4862 } 4863 4864 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4865 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4866 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4867 for (int i=0; i<N; i++) { 4868 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4869 if (file == null) { 4870 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4871 "Package " + pkg.packageName + " requires unavailable shared library " 4872 + pkg.usesLibraries.get(i) + "; failing!"); 4873 } 4874 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4875 } 4876 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4877 for (int i=0; i<N; i++) { 4878 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4879 if (file == null) { 4880 Slog.w(TAG, "Package " + pkg.packageName 4881 + " desires unavailable shared library " 4882 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4883 } else { 4884 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4885 } 4886 } 4887 N = usesLibraryFiles.size(); 4888 if (N > 0) { 4889 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4890 } else { 4891 pkg.usesLibraryFiles = null; 4892 } 4893 } 4894 } 4895 4896 private static boolean hasString(List<String> list, List<String> which) { 4897 if (list == null) { 4898 return false; 4899 } 4900 for (int i=list.size()-1; i>=0; i--) { 4901 for (int j=which.size()-1; j>=0; j--) { 4902 if (which.get(j).equals(list.get(i))) { 4903 return true; 4904 } 4905 } 4906 } 4907 return false; 4908 } 4909 4910 private void updateAllSharedLibrariesLPw() { 4911 for (PackageParser.Package pkg : mPackages.values()) { 4912 try { 4913 updateSharedLibrariesLPw(pkg, null); 4914 } catch (PackageManagerException e) { 4915 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4916 } 4917 } 4918 } 4919 4920 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4921 PackageParser.Package changingPkg) { 4922 ArrayList<PackageParser.Package> res = null; 4923 for (PackageParser.Package pkg : mPackages.values()) { 4924 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4925 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4926 if (res == null) { 4927 res = new ArrayList<PackageParser.Package>(); 4928 } 4929 res.add(pkg); 4930 try { 4931 updateSharedLibrariesLPw(pkg, changingPkg); 4932 } catch (PackageManagerException e) { 4933 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4934 } 4935 } 4936 } 4937 return res; 4938 } 4939 4940 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 4941 int scanMode, long currentTime, UserHandle user, String abiOverride) 4942 throws PackageManagerException { 4943 final File scanFile = new File(pkg.codePath); 4944 if (pkg.applicationInfo.getCodePath() == null || 4945 pkg.applicationInfo.getResourcePath() == null) { 4946 // Bail out. The resource and code paths haven't been set. 4947 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 4948 "Code and resource paths haven't been set correctly"); 4949 } 4950 4951 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4952 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4953 } 4954 4955 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4956 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4957 } 4958 4959 if (mCustomResolverComponentName != null && 4960 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4961 setUpCustomResolverActivity(pkg); 4962 } 4963 4964 if (pkg.packageName.equals("android")) { 4965 synchronized (mPackages) { 4966 if (mAndroidApplication != null) { 4967 Slog.w(TAG, "*************************************************"); 4968 Slog.w(TAG, "Core android package being redefined. Skipping."); 4969 Slog.w(TAG, " file=" + scanFile); 4970 Slog.w(TAG, "*************************************************"); 4971 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 4972 "Core android package being redefined. Skipping."); 4973 } 4974 4975 // Set up information for our fall-back user intent resolution activity. 4976 mPlatformPackage = pkg; 4977 pkg.mVersionCode = mSdkVersion; 4978 mAndroidApplication = pkg.applicationInfo; 4979 4980 if (!mResolverReplaced) { 4981 mResolveActivity.applicationInfo = mAndroidApplication; 4982 mResolveActivity.name = ResolverActivity.class.getName(); 4983 mResolveActivity.packageName = mAndroidApplication.packageName; 4984 mResolveActivity.processName = "system:ui"; 4985 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4986 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4987 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4988 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4989 mResolveActivity.exported = true; 4990 mResolveActivity.enabled = true; 4991 mResolveInfo.activityInfo = mResolveActivity; 4992 mResolveInfo.priority = 0; 4993 mResolveInfo.preferredOrder = 0; 4994 mResolveInfo.match = 0; 4995 mResolveComponentName = new ComponentName( 4996 mAndroidApplication.packageName, mResolveActivity.name); 4997 } 4998 } 4999 } 5000 5001 if (DEBUG_PACKAGE_SCANNING) { 5002 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5003 Log.d(TAG, "Scanning package " + pkg.packageName); 5004 } 5005 5006 if (mPackages.containsKey(pkg.packageName) 5007 || mSharedLibraries.containsKey(pkg.packageName)) { 5008 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5009 "Application package " + pkg.packageName 5010 + " already installed. Skipping duplicate."); 5011 } 5012 5013 // Initialize package source and resource directories 5014 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5015 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5016 5017 SharedUserSetting suid = null; 5018 PackageSetting pkgSetting = null; 5019 5020 if (!isSystemApp(pkg)) { 5021 // Only system apps can use these features. 5022 pkg.mOriginalPackages = null; 5023 pkg.mRealPackage = null; 5024 pkg.mAdoptPermissions = null; 5025 } 5026 5027 // writer 5028 synchronized (mPackages) { 5029 if (pkg.mSharedUserId != null) { 5030 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5031 if (suid == null) { 5032 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5033 "Creating application package " + pkg.packageName 5034 + " for shared user failed"); 5035 } 5036 if (DEBUG_PACKAGE_SCANNING) { 5037 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5038 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5039 + "): packages=" + suid.packages); 5040 } 5041 } 5042 5043 // Check if we are renaming from an original package name. 5044 PackageSetting origPackage = null; 5045 String realName = null; 5046 if (pkg.mOriginalPackages != null) { 5047 // This package may need to be renamed to a previously 5048 // installed name. Let's check on that... 5049 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5050 if (pkg.mOriginalPackages.contains(renamed)) { 5051 // This package had originally been installed as the 5052 // original name, and we have already taken care of 5053 // transitioning to the new one. Just update the new 5054 // one to continue using the old name. 5055 realName = pkg.mRealPackage; 5056 if (!pkg.packageName.equals(renamed)) { 5057 // Callers into this function may have already taken 5058 // care of renaming the package; only do it here if 5059 // it is not already done. 5060 pkg.setPackageName(renamed); 5061 } 5062 5063 } else { 5064 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5065 if ((origPackage = mSettings.peekPackageLPr( 5066 pkg.mOriginalPackages.get(i))) != null) { 5067 // We do have the package already installed under its 5068 // original name... should we use it? 5069 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5070 // New package is not compatible with original. 5071 origPackage = null; 5072 continue; 5073 } else if (origPackage.sharedUser != null) { 5074 // Make sure uid is compatible between packages. 5075 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5076 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5077 + " to " + pkg.packageName + ": old uid " 5078 + origPackage.sharedUser.name 5079 + " differs from " + pkg.mSharedUserId); 5080 origPackage = null; 5081 continue; 5082 } 5083 } else { 5084 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5085 + pkg.packageName + " to old name " + origPackage.name); 5086 } 5087 break; 5088 } 5089 } 5090 } 5091 } 5092 5093 if (mTransferedPackages.contains(pkg.packageName)) { 5094 Slog.w(TAG, "Package " + pkg.packageName 5095 + " was transferred to another, but its .apk remains"); 5096 } 5097 5098 // Just create the setting, don't add it yet. For already existing packages 5099 // the PkgSetting exists already and doesn't have to be created. 5100 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5101 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5102 pkg.applicationInfo.primaryCpuAbi, 5103 pkg.applicationInfo.secondaryCpuAbi, 5104 pkg.applicationInfo.flags, user, false); 5105 if (pkgSetting == null) { 5106 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5107 "Creating application package " + pkg.packageName + " failed"); 5108 } 5109 5110 if (pkgSetting.origPackage != null) { 5111 // If we are first transitioning from an original package, 5112 // fix up the new package's name now. We need to do this after 5113 // looking up the package under its new name, so getPackageLP 5114 // can take care of fiddling things correctly. 5115 pkg.setPackageName(origPackage.name); 5116 5117 // File a report about this. 5118 String msg = "New package " + pkgSetting.realName 5119 + " renamed to replace old package " + pkgSetting.name; 5120 reportSettingsProblem(Log.WARN, msg); 5121 5122 // Make a note of it. 5123 mTransferedPackages.add(origPackage.name); 5124 5125 // No longer need to retain this. 5126 pkgSetting.origPackage = null; 5127 } 5128 5129 if (realName != null) { 5130 // Make a note of it. 5131 mTransferedPackages.add(pkg.packageName); 5132 } 5133 5134 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5135 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5136 } 5137 5138 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5139 // Check all shared libraries and map to their actual file path. 5140 // We only do this here for apps not on a system dir, because those 5141 // are the only ones that can fail an install due to this. We 5142 // will take care of the system apps by updating all of their 5143 // library paths after the scan is done. 5144 updateSharedLibrariesLPw(pkg, null); 5145 } 5146 5147 if (mFoundPolicyFile) { 5148 SELinuxMMAC.assignSeinfoValue(pkg); 5149 } 5150 5151 pkg.applicationInfo.uid = pkgSetting.appId; 5152 pkg.mExtras = pkgSetting; 5153 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5154 try { 5155 verifySignaturesLP(pkgSetting, pkg); 5156 } catch (PackageManagerException e) { 5157 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5158 throw e; 5159 } 5160 // The signature has changed, but this package is in the system 5161 // image... let's recover! 5162 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5163 // However... if this package is part of a shared user, but it 5164 // doesn't match the signature of the shared user, let's fail. 5165 // What this means is that you can't change the signatures 5166 // associated with an overall shared user, which doesn't seem all 5167 // that unreasonable. 5168 if (pkgSetting.sharedUser != null) { 5169 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5170 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5171 throw new PackageManagerException( 5172 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5173 "Signature mismatch for shared user : " 5174 + pkgSetting.sharedUser); 5175 } 5176 } 5177 // File a report about this. 5178 String msg = "System package " + pkg.packageName 5179 + " signature changed; retaining data."; 5180 reportSettingsProblem(Log.WARN, msg); 5181 } 5182 } else { 5183 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5184 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5185 + pkg.packageName + " upgrade keys do not match the " 5186 + "previously installed version"); 5187 } else { 5188 // signatures may have changed as result of upgrade 5189 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5190 } 5191 } 5192 // Verify that this new package doesn't have any content providers 5193 // that conflict with existing packages. Only do this if the 5194 // package isn't already installed, since we don't want to break 5195 // things that are installed. 5196 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5197 final int N = pkg.providers.size(); 5198 int i; 5199 for (i=0; i<N; i++) { 5200 PackageParser.Provider p = pkg.providers.get(i); 5201 if (p.info.authority != null) { 5202 String names[] = p.info.authority.split(";"); 5203 for (int j = 0; j < names.length; j++) { 5204 if (mProvidersByAuthority.containsKey(names[j])) { 5205 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5206 final String otherPackageName = 5207 ((other != null && other.getComponentName() != null) ? 5208 other.getComponentName().getPackageName() : "?"); 5209 throw new PackageManagerException( 5210 INSTALL_FAILED_CONFLICTING_PROVIDER, 5211 "Can't install because provider name " + names[j] 5212 + " (in package " + pkg.applicationInfo.packageName 5213 + ") is already used by " + otherPackageName); 5214 } 5215 } 5216 } 5217 } 5218 } 5219 5220 if (pkg.mAdoptPermissions != null) { 5221 // This package wants to adopt ownership of permissions from 5222 // another package. 5223 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5224 final String origName = pkg.mAdoptPermissions.get(i); 5225 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5226 if (orig != null) { 5227 if (verifyPackageUpdateLPr(orig, pkg)) { 5228 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5229 + pkg.packageName); 5230 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5231 } 5232 } 5233 } 5234 } 5235 } 5236 5237 final String pkgName = pkg.packageName; 5238 5239 final long scanFileTime = scanFile.lastModified(); 5240 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5241 pkg.applicationInfo.processName = fixProcessName( 5242 pkg.applicationInfo.packageName, 5243 pkg.applicationInfo.processName, 5244 pkg.applicationInfo.uid); 5245 5246 File dataPath; 5247 if (mPlatformPackage == pkg) { 5248 // The system package is special. 5249 dataPath = new File (Environment.getDataDirectory(), "system"); 5250 pkg.applicationInfo.dataDir = dataPath.getPath(); 5251 } else { 5252 // This is a normal package, need to make its data directory. 5253 dataPath = getDataPathForPackage(pkg.packageName, 0); 5254 5255 boolean uidError = false; 5256 5257 if (dataPath.exists()) { 5258 int currentUid = 0; 5259 try { 5260 StructStat stat = Os.stat(dataPath.getPath()); 5261 currentUid = stat.st_uid; 5262 } catch (ErrnoException e) { 5263 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5264 } 5265 5266 // If we have mismatched owners for the data path, we have a problem. 5267 if (currentUid != pkg.applicationInfo.uid) { 5268 boolean recovered = false; 5269 if (currentUid == 0) { 5270 // The directory somehow became owned by root. Wow. 5271 // This is probably because the system was stopped while 5272 // installd was in the middle of messing with its libs 5273 // directory. Ask installd to fix that. 5274 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5275 pkg.applicationInfo.uid); 5276 if (ret >= 0) { 5277 recovered = true; 5278 String msg = "Package " + pkg.packageName 5279 + " unexpectedly changed to uid 0; recovered to " + 5280 + pkg.applicationInfo.uid; 5281 reportSettingsProblem(Log.WARN, msg); 5282 } 5283 } 5284 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5285 || (scanMode&SCAN_BOOTING) != 0)) { 5286 // If this is a system app, we can at least delete its 5287 // current data so the application will still work. 5288 int ret = removeDataDirsLI(pkgName); 5289 if (ret >= 0) { 5290 // TODO: Kill the processes first 5291 // Old data gone! 5292 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5293 ? "System package " : "Third party package "; 5294 String msg = prefix + pkg.packageName 5295 + " has changed from uid: " 5296 + currentUid + " to " 5297 + pkg.applicationInfo.uid + "; old data erased"; 5298 reportSettingsProblem(Log.WARN, msg); 5299 recovered = true; 5300 5301 // And now re-install the app. 5302 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5303 pkg.applicationInfo.seinfo); 5304 if (ret == -1) { 5305 // Ack should not happen! 5306 msg = prefix + pkg.packageName 5307 + " could not have data directory re-created after delete."; 5308 reportSettingsProblem(Log.WARN, msg); 5309 throw new PackageManagerException( 5310 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5311 } 5312 } 5313 if (!recovered) { 5314 mHasSystemUidErrors = true; 5315 } 5316 } else if (!recovered) { 5317 // If we allow this install to proceed, we will be broken. 5318 // Abort, abort! 5319 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5320 "scanPackageLI"); 5321 } 5322 if (!recovered) { 5323 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5324 + pkg.applicationInfo.uid + "/fs_" 5325 + currentUid; 5326 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5327 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5328 String msg = "Package " + pkg.packageName 5329 + " has mismatched uid: " 5330 + currentUid + " on disk, " 5331 + pkg.applicationInfo.uid + " in settings"; 5332 // writer 5333 synchronized (mPackages) { 5334 mSettings.mReadMessages.append(msg); 5335 mSettings.mReadMessages.append('\n'); 5336 uidError = true; 5337 if (!pkgSetting.uidError) { 5338 reportSettingsProblem(Log.ERROR, msg); 5339 } 5340 } 5341 } 5342 } 5343 pkg.applicationInfo.dataDir = dataPath.getPath(); 5344 if (mShouldRestoreconData) { 5345 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5346 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5347 pkg.applicationInfo.uid); 5348 } 5349 } else { 5350 if (DEBUG_PACKAGE_SCANNING) { 5351 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5352 Log.v(TAG, "Want this data dir: " + dataPath); 5353 } 5354 //invoke installer to do the actual installation 5355 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5356 pkg.applicationInfo.seinfo); 5357 if (ret < 0) { 5358 // Error from installer 5359 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5360 "Unable to create data dirs [errorCode=" + ret + "]"); 5361 } 5362 5363 if (dataPath.exists()) { 5364 pkg.applicationInfo.dataDir = dataPath.getPath(); 5365 } else { 5366 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5367 pkg.applicationInfo.dataDir = null; 5368 } 5369 } 5370 5371 pkgSetting.uidError = uidError; 5372 } 5373 5374 final String path = scanFile.getPath(); 5375 final String codePath = pkg.applicationInfo.getCodePath(); 5376 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5377 // For the case where we had previously uninstalled an update, get rid 5378 // of any native binaries we might have unpackaged. Note that this assumes 5379 // that system app updates were not installed via ASEC. 5380 // 5381 // TODO(multiArch): Is this cleanup really necessary ? 5382 NativeLibraryHelper.removeNativeBinariesFromDirLI( 5383 new File(codePath, LIB_DIR_NAME), false /* delete dirs */); 5384 setBundledAppAbisAndRoots(pkg, pkgSetting); 5385 setNativeLibraryPaths(pkg); 5386 } else { 5387 // TODO: We can probably be smarter about this stuff. For installed apps, 5388 // we can calculate this information at install time once and for all. For 5389 // system apps, we can probably assume that this information doesn't change 5390 // after the first boot scan. As things stand, we do lots of unnecessary work. 5391 5392 // Give ourselves some initial paths; we'll come back for another 5393 // pass once we've determined ABI below. 5394 setNativeLibraryPaths(pkg); 5395 5396 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5397 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5398 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5399 5400 NativeLibraryHelper.Handle handle = null; 5401 try { 5402 handle = NativeLibraryHelper.Handle.create(scanFile); 5403 // TODO(multiArch): This can be null for apps that didn't go through the 5404 // usual installation process. We can calculate it again, like we 5405 // do during install time. 5406 // 5407 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5408 // unnecessary. 5409 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5410 5411 // Null out the abis so that they can be recalculated. 5412 pkg.applicationInfo.primaryCpuAbi = null; 5413 pkg.applicationInfo.secondaryCpuAbi = null; 5414 if (isMultiArch(pkg.applicationInfo)) { 5415 // Warn if we've set an abiOverride for multi-lib packages.. 5416 // By definition, we need to copy both 32 and 64 bit libraries for 5417 // such packages. 5418 if (abiOverride != null) { 5419 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5420 } 5421 5422 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5423 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5424 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5425 if (isAsec) { 5426 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5427 } else { 5428 abi32 = copyNativeLibrariesForInternalApp(handle, 5429 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs); 5430 } 5431 } 5432 5433 maybeThrowExceptionForMultiArchCopy( 5434 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5435 5436 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5437 if (isAsec) { 5438 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5439 } else { 5440 abi64 = copyNativeLibrariesForInternalApp(handle, 5441 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs); 5442 } 5443 } 5444 5445 maybeThrowExceptionForMultiArchCopy( 5446 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5447 5448 if (abi64 >= 0) { 5449 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5450 } 5451 5452 if (abi32 >= 0) { 5453 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5454 if (abi64 >= 0) { 5455 pkg.applicationInfo.secondaryCpuAbi = abi; 5456 } else { 5457 pkg.applicationInfo.primaryCpuAbi = abi; 5458 } 5459 } 5460 } else { 5461 String[] abiList = (abiOverride != null) ? 5462 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 5463 5464 // Enable gross and lame hacks for apps that are built with old 5465 // SDK tools. We must scan their APKs for renderscript bitcode and 5466 // not launch them if it's present. Don't bother checking on devices 5467 // that don't have 64 bit support. 5468 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 5469 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5470 abiList = Build.SUPPORTED_32_BIT_ABIS; 5471 } 5472 5473 final int copyRet; 5474 if (isAsec) { 5475 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5476 } else { 5477 copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList, 5478 useIsaSpecificSubdirs); 5479 } 5480 5481 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5482 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5483 "Error unpackaging native libs for app, errorCode=" + copyRet); 5484 } 5485 5486 if (copyRet >= 0) { 5487 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5488 } 5489 } 5490 } catch (IOException ioe) { 5491 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5492 } finally { 5493 IoUtils.closeQuietly(handle); 5494 } 5495 5496 // Now that we've calculated the ABIs and determined if it's an internal app, 5497 // we will go ahead and populate the nativeLibraryPath. 5498 setNativeLibraryPaths(pkg); 5499 5500 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5501 final int[] userIds = sUserManager.getUserIds(); 5502 synchronized (mInstallLock) { 5503 // Create a native library symlink only if we have native libraries 5504 // and if the native libraries are 32 bit libraries. We do not provide 5505 // this symlink for 64 bit libraries. 5506 if (pkg.applicationInfo.primaryCpuAbi != null && 5507 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5508 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5509 for (int userId : userIds) { 5510 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5511 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5512 "Failed linking native library dir (user=" + userId + ")"); 5513 } 5514 } 5515 } 5516 } 5517 5518 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5519 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5520 } 5521 5522 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5523 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5524 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5525 5526 // Push the derived path down into PackageSettings so we know what to 5527 // clean up at uninstall time. 5528 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5529 5530 if (DEBUG_ABI_SELECTION) { 5531 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5532 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5533 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5534 } 5535 5536 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5537 // We don't do this here during boot because we can do it all 5538 // at once after scanning all existing packages. 5539 // 5540 // We also do this *before* we perform dexopt on this package, so that 5541 // we can avoid redundant dexopts, and also to make sure we've got the 5542 // code and package path correct. 5543 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5544 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5545 } 5546 5547 if ((scanMode&SCAN_NO_DEX) == 0) { 5548 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5549 == DEX_OPT_FAILED) { 5550 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5551 removeDataDirsLI(pkg.packageName); 5552 } 5553 5554 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5555 } 5556 } 5557 5558 if (mFactoryTest && pkg.requestedPermissions.contains( 5559 android.Manifest.permission.FACTORY_TEST)) { 5560 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5561 } 5562 5563 ArrayList<PackageParser.Package> clientLibPkgs = null; 5564 5565 // writer 5566 synchronized (mPackages) { 5567 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5568 // Only system apps can add new shared libraries. 5569 if (pkg.libraryNames != null) { 5570 for (int i=0; i<pkg.libraryNames.size(); i++) { 5571 String name = pkg.libraryNames.get(i); 5572 boolean allowed = false; 5573 if (isUpdatedSystemApp(pkg)) { 5574 // New library entries can only be added through the 5575 // system image. This is important to get rid of a lot 5576 // of nasty edge cases: for example if we allowed a non- 5577 // system update of the app to add a library, then uninstalling 5578 // the update would make the library go away, and assumptions 5579 // we made such as through app install filtering would now 5580 // have allowed apps on the device which aren't compatible 5581 // with it. Better to just have the restriction here, be 5582 // conservative, and create many fewer cases that can negatively 5583 // impact the user experience. 5584 final PackageSetting sysPs = mSettings 5585 .getDisabledSystemPkgLPr(pkg.packageName); 5586 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5587 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5588 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5589 allowed = true; 5590 allowed = true; 5591 break; 5592 } 5593 } 5594 } 5595 } else { 5596 allowed = true; 5597 } 5598 if (allowed) { 5599 if (!mSharedLibraries.containsKey(name)) { 5600 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5601 } else if (!name.equals(pkg.packageName)) { 5602 Slog.w(TAG, "Package " + pkg.packageName + " library " 5603 + name + " already exists; skipping"); 5604 } 5605 } else { 5606 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5607 + name + " that is not declared on system image; skipping"); 5608 } 5609 } 5610 if ((scanMode&SCAN_BOOTING) == 0) { 5611 // If we are not booting, we need to update any applications 5612 // that are clients of our shared library. If we are booting, 5613 // this will all be done once the scan is complete. 5614 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5615 } 5616 } 5617 } 5618 } 5619 5620 // We also need to dexopt any apps that are dependent on this library. Note that 5621 // if these fail, we should abort the install since installing the library will 5622 // result in some apps being broken. 5623 if (clientLibPkgs != null) { 5624 if ((scanMode&SCAN_NO_DEX) == 0) { 5625 for (int i=0; i<clientLibPkgs.size(); i++) { 5626 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5627 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5628 == DEX_OPT_FAILED) { 5629 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5630 removeDataDirsLI(pkg.packageName); 5631 } 5632 5633 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5634 "scanPackageLI failed to dexopt clientLibPkgs"); 5635 } 5636 } 5637 } 5638 } 5639 5640 // Request the ActivityManager to kill the process(only for existing packages) 5641 // so that we do not end up in a confused state while the user is still using the older 5642 // version of the application while the new one gets installed. 5643 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5644 // If the package lives in an asec, tell everyone that the container is going 5645 // away so they can clean up any references to its resources (which would prevent 5646 // vold from being able to unmount the asec) 5647 if (isForwardLocked(pkg) || isExternal(pkg)) { 5648 if (DEBUG_INSTALL) { 5649 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5650 } 5651 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5652 final ArrayList<String> pkgList = new ArrayList<String>(1); 5653 pkgList.add(pkg.applicationInfo.packageName); 5654 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5655 } 5656 5657 // Post the request that it be killed now that the going-away broadcast is en route 5658 killApplication(pkg.applicationInfo.packageName, 5659 pkg.applicationInfo.uid, "update pkg"); 5660 } 5661 5662 // Also need to kill any apps that are dependent on the library. 5663 if (clientLibPkgs != null) { 5664 for (int i=0; i<clientLibPkgs.size(); i++) { 5665 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5666 killApplication(clientPkg.applicationInfo.packageName, 5667 clientPkg.applicationInfo.uid, "update lib"); 5668 } 5669 } 5670 5671 // writer 5672 synchronized (mPackages) { 5673 // We don't expect installation to fail beyond this point, 5674 if ((scanMode&SCAN_MONITOR) != 0) { 5675 mAppDirs.put(pkg.codePath, pkg); 5676 } 5677 // Add the new setting to mSettings 5678 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5679 // Add the new setting to mPackages 5680 mPackages.put(pkg.applicationInfo.packageName, pkg); 5681 // Make sure we don't accidentally delete its data. 5682 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5683 while (iter.hasNext()) { 5684 PackageCleanItem item = iter.next(); 5685 if (pkgName.equals(item.packageName)) { 5686 iter.remove(); 5687 } 5688 } 5689 5690 // Take care of first install / last update times. 5691 if (currentTime != 0) { 5692 if (pkgSetting.firstInstallTime == 0) { 5693 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5694 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5695 pkgSetting.lastUpdateTime = currentTime; 5696 } 5697 } else if (pkgSetting.firstInstallTime == 0) { 5698 // We need *something*. Take time time stamp of the file. 5699 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5700 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5701 if (scanFileTime != pkgSetting.timeStamp) { 5702 // A package on the system image has changed; consider this 5703 // to be an update. 5704 pkgSetting.lastUpdateTime = scanFileTime; 5705 } 5706 } 5707 5708 // Add the package's KeySets to the global KeySetManagerService 5709 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5710 try { 5711 // Old KeySetData no longer valid. 5712 ksms.removeAppKeySetDataLPw(pkg.packageName); 5713 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5714 if (pkg.mKeySetMapping != null) { 5715 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5716 pkg.mKeySetMapping.entrySet()) { 5717 if (entry.getValue() != null) { 5718 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5719 entry.getValue(), entry.getKey()); 5720 } 5721 } 5722 if (pkg.mUpgradeKeySets != null) { 5723 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5724 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5725 } 5726 } 5727 } 5728 } catch (NullPointerException e) { 5729 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5730 } catch (IllegalArgumentException e) { 5731 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5732 } 5733 5734 int N = pkg.providers.size(); 5735 StringBuilder r = null; 5736 int i; 5737 for (i=0; i<N; i++) { 5738 PackageParser.Provider p = pkg.providers.get(i); 5739 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5740 p.info.processName, pkg.applicationInfo.uid); 5741 mProviders.addProvider(p); 5742 p.syncable = p.info.isSyncable; 5743 if (p.info.authority != null) { 5744 String names[] = p.info.authority.split(";"); 5745 p.info.authority = null; 5746 for (int j = 0; j < names.length; j++) { 5747 if (j == 1 && p.syncable) { 5748 // We only want the first authority for a provider to possibly be 5749 // syncable, so if we already added this provider using a different 5750 // authority clear the syncable flag. We copy the provider before 5751 // changing it because the mProviders object contains a reference 5752 // to a provider that we don't want to change. 5753 // Only do this for the second authority since the resulting provider 5754 // object can be the same for all future authorities for this provider. 5755 p = new PackageParser.Provider(p); 5756 p.syncable = false; 5757 } 5758 if (!mProvidersByAuthority.containsKey(names[j])) { 5759 mProvidersByAuthority.put(names[j], p); 5760 if (p.info.authority == null) { 5761 p.info.authority = names[j]; 5762 } else { 5763 p.info.authority = p.info.authority + ";" + names[j]; 5764 } 5765 if (DEBUG_PACKAGE_SCANNING) { 5766 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5767 Log.d(TAG, "Registered content provider: " + names[j] 5768 + ", className = " + p.info.name + ", isSyncable = " 5769 + p.info.isSyncable); 5770 } 5771 } else { 5772 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5773 Slog.w(TAG, "Skipping provider name " + names[j] + 5774 " (in package " + pkg.applicationInfo.packageName + 5775 "): name already used by " 5776 + ((other != null && other.getComponentName() != null) 5777 ? other.getComponentName().getPackageName() : "?")); 5778 } 5779 } 5780 } 5781 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5782 if (r == null) { 5783 r = new StringBuilder(256); 5784 } else { 5785 r.append(' '); 5786 } 5787 r.append(p.info.name); 5788 } 5789 } 5790 if (r != null) { 5791 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5792 } 5793 5794 N = pkg.services.size(); 5795 r = null; 5796 for (i=0; i<N; i++) { 5797 PackageParser.Service s = pkg.services.get(i); 5798 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5799 s.info.processName, pkg.applicationInfo.uid); 5800 mServices.addService(s); 5801 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5802 if (r == null) { 5803 r = new StringBuilder(256); 5804 } else { 5805 r.append(' '); 5806 } 5807 r.append(s.info.name); 5808 } 5809 } 5810 if (r != null) { 5811 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5812 } 5813 5814 N = pkg.receivers.size(); 5815 r = null; 5816 for (i=0; i<N; i++) { 5817 PackageParser.Activity a = pkg.receivers.get(i); 5818 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5819 a.info.processName, pkg.applicationInfo.uid); 5820 mReceivers.addActivity(a, "receiver"); 5821 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5822 if (r == null) { 5823 r = new StringBuilder(256); 5824 } else { 5825 r.append(' '); 5826 } 5827 r.append(a.info.name); 5828 } 5829 } 5830 if (r != null) { 5831 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5832 } 5833 5834 N = pkg.activities.size(); 5835 r = null; 5836 for (i=0; i<N; i++) { 5837 PackageParser.Activity a = pkg.activities.get(i); 5838 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5839 a.info.processName, pkg.applicationInfo.uid); 5840 mActivities.addActivity(a, "activity"); 5841 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5842 if (r == null) { 5843 r = new StringBuilder(256); 5844 } else { 5845 r.append(' '); 5846 } 5847 r.append(a.info.name); 5848 } 5849 } 5850 if (r != null) { 5851 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5852 } 5853 5854 N = pkg.permissionGroups.size(); 5855 r = null; 5856 for (i=0; i<N; i++) { 5857 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5858 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5859 if (cur == null) { 5860 mPermissionGroups.put(pg.info.name, pg); 5861 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5862 if (r == null) { 5863 r = new StringBuilder(256); 5864 } else { 5865 r.append(' '); 5866 } 5867 r.append(pg.info.name); 5868 } 5869 } else { 5870 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5871 + pg.info.packageName + " ignored: original from " 5872 + cur.info.packageName); 5873 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5874 if (r == null) { 5875 r = new StringBuilder(256); 5876 } else { 5877 r.append(' '); 5878 } 5879 r.append("DUP:"); 5880 r.append(pg.info.name); 5881 } 5882 } 5883 } 5884 if (r != null) { 5885 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5886 } 5887 5888 N = pkg.permissions.size(); 5889 r = null; 5890 for (i=0; i<N; i++) { 5891 PackageParser.Permission p = pkg.permissions.get(i); 5892 HashMap<String, BasePermission> permissionMap = 5893 p.tree ? mSettings.mPermissionTrees 5894 : mSettings.mPermissions; 5895 p.group = mPermissionGroups.get(p.info.group); 5896 if (p.info.group == null || p.group != null) { 5897 BasePermission bp = permissionMap.get(p.info.name); 5898 if (bp == null) { 5899 bp = new BasePermission(p.info.name, p.info.packageName, 5900 BasePermission.TYPE_NORMAL); 5901 permissionMap.put(p.info.name, bp); 5902 } 5903 if (bp.perm == null) { 5904 if (bp.sourcePackage != null 5905 && !bp.sourcePackage.equals(p.info.packageName)) { 5906 // If this is a permission that was formerly defined by a non-system 5907 // app, but is now defined by a system app (following an upgrade), 5908 // discard the previous declaration and consider the system's to be 5909 // canonical. 5910 if (isSystemApp(p.owner)) { 5911 String msg = "New decl " + p.owner + " of permission " 5912 + p.info.name + " is system"; 5913 reportSettingsProblem(Log.WARN, msg); 5914 bp.sourcePackage = null; 5915 } 5916 } 5917 if (bp.sourcePackage == null 5918 || bp.sourcePackage.equals(p.info.packageName)) { 5919 BasePermission tree = findPermissionTreeLP(p.info.name); 5920 if (tree == null 5921 || tree.sourcePackage.equals(p.info.packageName)) { 5922 bp.packageSetting = pkgSetting; 5923 bp.perm = p; 5924 bp.uid = pkg.applicationInfo.uid; 5925 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5926 if (r == null) { 5927 r = new StringBuilder(256); 5928 } else { 5929 r.append(' '); 5930 } 5931 r.append(p.info.name); 5932 } 5933 } else { 5934 Slog.w(TAG, "Permission " + p.info.name + " from package " 5935 + p.info.packageName + " ignored: base tree " 5936 + tree.name + " is from package " 5937 + tree.sourcePackage); 5938 } 5939 } else { 5940 Slog.w(TAG, "Permission " + p.info.name + " from package " 5941 + p.info.packageName + " ignored: original from " 5942 + bp.sourcePackage); 5943 } 5944 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5945 if (r == null) { 5946 r = new StringBuilder(256); 5947 } else { 5948 r.append(' '); 5949 } 5950 r.append("DUP:"); 5951 r.append(p.info.name); 5952 } 5953 if (bp.perm == p) { 5954 bp.protectionLevel = p.info.protectionLevel; 5955 } 5956 } else { 5957 Slog.w(TAG, "Permission " + p.info.name + " from package " 5958 + p.info.packageName + " ignored: no group " 5959 + p.group); 5960 } 5961 } 5962 if (r != null) { 5963 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5964 } 5965 5966 N = pkg.instrumentation.size(); 5967 r = null; 5968 for (i=0; i<N; i++) { 5969 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5970 a.info.packageName = pkg.applicationInfo.packageName; 5971 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5972 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5973 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5974 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5975 a.info.dataDir = pkg.applicationInfo.dataDir; 5976 5977 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 5978 // need other information about the application, like the ABI and what not ? 5979 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5980 mInstrumentation.put(a.getComponentName(), a); 5981 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5982 if (r == null) { 5983 r = new StringBuilder(256); 5984 } else { 5985 r.append(' '); 5986 } 5987 r.append(a.info.name); 5988 } 5989 } 5990 if (r != null) { 5991 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5992 } 5993 5994 if (pkg.protectedBroadcasts != null) { 5995 N = pkg.protectedBroadcasts.size(); 5996 for (i=0; i<N; i++) { 5997 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5998 } 5999 } 6000 6001 pkgSetting.setTimeStamp(scanFileTime); 6002 6003 // Create idmap files for pairs of (packages, overlay packages). 6004 // Note: "android", ie framework-res.apk, is handled by native layers. 6005 if (pkg.mOverlayTarget != null) { 6006 // This is an overlay package. 6007 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6008 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6009 mOverlays.put(pkg.mOverlayTarget, 6010 new HashMap<String, PackageParser.Package>()); 6011 } 6012 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6013 map.put(pkg.packageName, pkg); 6014 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6015 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6016 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6017 "scanPackageLI failed to createIdmap"); 6018 } 6019 } 6020 } else if (mOverlays.containsKey(pkg.packageName) && 6021 !pkg.packageName.equals("android")) { 6022 // This is a regular package, with one or more known overlay packages. 6023 createIdmapsForPackageLI(pkg); 6024 } 6025 } 6026 6027 return pkg; 6028 } 6029 6030 /** 6031 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6032 * i.e, so that all packages can be run inside a single process if required. 6033 * 6034 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6035 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6036 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6037 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6038 * updating a package that belongs to a shared user. 6039 * 6040 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6041 * adds unnecessary complexity. 6042 */ 6043 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6044 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6045 String requiredInstructionSet = null; 6046 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6047 requiredInstructionSet = VMRuntime.getInstructionSet( 6048 scannedPackage.applicationInfo.primaryCpuAbi); 6049 } 6050 6051 PackageSetting requirer = null; 6052 for (PackageSetting ps : packagesForUser) { 6053 // If packagesForUser contains scannedPackage, we skip it. This will happen 6054 // when scannedPackage is an update of an existing package. Without this check, 6055 // we will never be able to change the ABI of any package belonging to a shared 6056 // user, even if it's compatible with other packages. 6057 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6058 if (ps.primaryCpuAbiString == null) { 6059 continue; 6060 } 6061 6062 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6063 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6064 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6065 // this but there's not much we can do. 6066 String errorMessage = "Instruction set mismatch, " 6067 + ((requirer == null) ? "[caller]" : requirer) 6068 + " requires " + requiredInstructionSet + " whereas " + ps 6069 + " requires " + instructionSet; 6070 Slog.w(TAG, errorMessage); 6071 } 6072 6073 if (requiredInstructionSet == null) { 6074 requiredInstructionSet = instructionSet; 6075 requirer = ps; 6076 } 6077 } 6078 } 6079 6080 if (requiredInstructionSet != null) { 6081 String adjustedAbi; 6082 if (requirer != null) { 6083 // requirer != null implies that either scannedPackage was null or that scannedPackage 6084 // did not require an ABI, in which case we have to adjust scannedPackage to match 6085 // the ABI of the set (which is the same as requirer's ABI) 6086 adjustedAbi = requirer.primaryCpuAbiString; 6087 if (scannedPackage != null) { 6088 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6089 } 6090 } else { 6091 // requirer == null implies that we're updating all ABIs in the set to 6092 // match scannedPackage. 6093 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6094 } 6095 6096 for (PackageSetting ps : packagesForUser) { 6097 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6098 if (ps.primaryCpuAbiString != null) { 6099 continue; 6100 } 6101 6102 ps.primaryCpuAbiString = adjustedAbi; 6103 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6104 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6105 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6106 6107 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6108 ps.primaryCpuAbiString = null; 6109 ps.pkg.applicationInfo.primaryCpuAbi = null; 6110 return; 6111 } else { 6112 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6113 } 6114 } 6115 } 6116 } 6117 } 6118 } 6119 6120 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6121 synchronized (mPackages) { 6122 mResolverReplaced = true; 6123 // Set up information for custom user intent resolution activity. 6124 mResolveActivity.applicationInfo = pkg.applicationInfo; 6125 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6126 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6127 mResolveActivity.processName = null; 6128 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6129 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6130 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6131 mResolveActivity.theme = 0; 6132 mResolveActivity.exported = true; 6133 mResolveActivity.enabled = true; 6134 mResolveInfo.activityInfo = mResolveActivity; 6135 mResolveInfo.priority = 0; 6136 mResolveInfo.preferredOrder = 0; 6137 mResolveInfo.match = 0; 6138 mResolveComponentName = mCustomResolverComponentName; 6139 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6140 mResolveComponentName); 6141 } 6142 } 6143 6144 private static String calculateApkRoot(final String codePathString) { 6145 final File codePath = new File(codePathString); 6146 final File codeRoot; 6147 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6148 codeRoot = Environment.getRootDirectory(); 6149 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6150 codeRoot = Environment.getOemDirectory(); 6151 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6152 codeRoot = Environment.getVendorDirectory(); 6153 } else { 6154 // Unrecognized code path; take its top real segment as the apk root: 6155 // e.g. /something/app/blah.apk => /something 6156 try { 6157 File f = codePath.getCanonicalFile(); 6158 File parent = f.getParentFile(); // non-null because codePath is a file 6159 File tmp; 6160 while ((tmp = parent.getParentFile()) != null) { 6161 f = parent; 6162 parent = tmp; 6163 } 6164 codeRoot = f; 6165 Slog.w(TAG, "Unrecognized code path " 6166 + codePath + " - using " + codeRoot); 6167 } catch (IOException e) { 6168 // Can't canonicalize the code path -- shenanigans? 6169 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6170 return Environment.getRootDirectory().getPath(); 6171 } 6172 } 6173 return codeRoot.getPath(); 6174 } 6175 6176 /** 6177 * Derive and set the location of native libraries for the given package, 6178 * which varies depending on where and how the package was installed. 6179 */ 6180 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6181 final ApplicationInfo info = pkg.applicationInfo; 6182 final String codePath = pkg.codePath; 6183 final File codeFile = new File(codePath); 6184 6185 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6186 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6187 6188 info.nativeLibraryRootDir = null; 6189 info.nativeLibraryRootRequiresIsa = false; 6190 info.nativeLibraryDir = null; 6191 6192 if (bundledApp) { 6193 // Monolithic bundled install 6194 // TODO: support cluster bundled installs? 6195 6196 final boolean is64Bit = (info.primaryCpuAbi != null) 6197 && VMRuntime.is64BitAbi(info.primaryCpuAbi); 6198 6199 // This is a bundled system app so choose the path based on the ABI. 6200 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6201 // is just the default path. 6202 final String apkName = deriveCodePathName(codePath); 6203 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6204 info.nativeLibraryRootDir = Environment.buildPath(new File(info.apkRoot), libDir, 6205 apkName).getAbsolutePath(); 6206 info.nativeLibraryRootRequiresIsa = false; 6207 6208 } else if (isApkFile(codeFile)) { 6209 // Monolithic install 6210 if (asecApp) { 6211 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6212 .getAbsolutePath(); 6213 info.nativeLibraryRootRequiresIsa = false; 6214 } else { 6215 final String apkName = deriveCodePathName(codePath); 6216 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6217 .getAbsolutePath(); 6218 info.nativeLibraryRootRequiresIsa = false; 6219 } 6220 } else { 6221 // Cluster install 6222 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6223 info.nativeLibraryRootRequiresIsa = true; 6224 } 6225 6226 if (info.nativeLibraryRootRequiresIsa) { 6227 if (info.primaryCpuAbi != null) { 6228 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6229 VMRuntime.getInstructionSet(info.primaryCpuAbi)).getAbsolutePath(); 6230 } 6231 } else { 6232 info.nativeLibraryDir = info.nativeLibraryRootDir; 6233 } 6234 } 6235 6236 /** 6237 * Calculate the abis and roots for a bundled app. These can uniquely 6238 * be determined from the contents of the system partition, i.e whether 6239 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6240 * of this information, and instead assume that the system was built 6241 * sensibly. 6242 */ 6243 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6244 PackageSetting pkgSetting) { 6245 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6246 6247 // If "/system/lib64/apkname" exists, assume that is the per-package 6248 // native library directory to use; otherwise use "/system/lib/apkname". 6249 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6250 pkg.applicationInfo.apkRoot = apkRoot; 6251 setBundledAppAbi(pkg, apkRoot, apkName); 6252 // pkgSetting might be null during rescan following uninstall of updates 6253 // to a bundled app, so accommodate that possibility. The settings in 6254 // that case will be established later from the parsed package. 6255 // 6256 // If the settings aren't null, sync them up with what we've just derived. 6257 // note that apkRoot isn't stored in the package settings. 6258 if (pkgSetting != null) { 6259 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6260 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6261 } 6262 } 6263 6264 /** 6265 * Deduces the ABI of a bundled app and sets the relevant fields on the 6266 * parsed pkg object. 6267 * 6268 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6269 * under which system libraries are installed. 6270 * @param apkName the name of the installed package. 6271 */ 6272 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6273 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6274 // or similar. 6275 final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6276 final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6277 6278 if (has64BitLibs && !has32BitLibs) { 6279 // The package has 64 bit libs, but not 32 bit libs. Its primary 6280 // ABI should be 64 bit. We can safely assume here that the bundled 6281 // native libraries correspond to the most preferred ABI in the list. 6282 6283 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6284 pkg.applicationInfo.secondaryCpuAbi = null; 6285 } else if (has32BitLibs && !has64BitLibs) { 6286 // The package has 32 bit libs but not 64 bit libs. Its primary 6287 // ABI should be 32 bit. 6288 6289 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6290 pkg.applicationInfo.secondaryCpuAbi = null; 6291 } else if (has32BitLibs && has64BitLibs) { 6292 // The application has both 64 and 32 bit bundled libraries. We check 6293 // here that the app declares multiArch support, and warn if it doesn't. 6294 // 6295 // We will be lenient here and record both ABIs. The primary will be the 6296 // ABI that's higher on the list, i.e, a device that's configured to prefer 6297 // 64 bit apps will see a 64 bit primary ABI, 6298 6299 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6300 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6301 } 6302 6303 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6304 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6305 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6306 } else { 6307 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6308 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6309 } 6310 } else { 6311 pkg.applicationInfo.primaryCpuAbi = null; 6312 pkg.applicationInfo.secondaryCpuAbi = null; 6313 } 6314 } 6315 6316 private static void createNativeLibrarySubdir(File path) throws IOException { 6317 if (!path.isDirectory()) { 6318 path.delete(); 6319 6320 if (!path.mkdir()) { 6321 throw new IOException("Cannot create " + path.getPath()); 6322 } 6323 6324 try { 6325 Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6326 } catch (ErrnoException e) { 6327 throw new IOException("Cannot chmod native library directory " 6328 + path.getPath(), e); 6329 } 6330 } else if (!SELinux.restorecon(path)) { 6331 throw new IOException("Cannot set SELinux context for " + path.getPath()); 6332 } 6333 } 6334 6335 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6336 final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException { 6337 createNativeLibrarySubdir(nativeLibraryRoot); 6338 6339 /* 6340 * If this is an internal application or our nativeLibraryPath points to 6341 * the app-lib directory, unpack the libraries if necessary. 6342 */ 6343 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6344 if (abi >= 0) { 6345 /* 6346 * If we have a matching instruction set, construct a subdir under the native 6347 * library root that corresponds to this instruction set. 6348 */ 6349 final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]); 6350 final File subDir; 6351 if (useIsaSubdir) { 6352 final File isaSubdir = new File(nativeLibraryRoot, instructionSet); 6353 createNativeLibrarySubdir(isaSubdir); 6354 subDir = isaSubdir; 6355 } else { 6356 subDir = nativeLibraryRoot; 6357 } 6358 6359 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]); 6360 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6361 return copyRet; 6362 } 6363 } 6364 6365 return abi; 6366 } 6367 6368 private void killApplication(String pkgName, int appId, String reason) { 6369 // Request the ActivityManager to kill the process(only for existing packages) 6370 // so that we do not end up in a confused state while the user is still using the older 6371 // version of the application while the new one gets installed. 6372 IActivityManager am = ActivityManagerNative.getDefault(); 6373 if (am != null) { 6374 try { 6375 am.killApplicationWithAppId(pkgName, appId, reason); 6376 } catch (RemoteException e) { 6377 } 6378 } 6379 } 6380 6381 void removePackageLI(PackageSetting ps, boolean chatty) { 6382 if (DEBUG_INSTALL) { 6383 if (chatty) 6384 Log.d(TAG, "Removing package " + ps.name); 6385 } 6386 6387 // writer 6388 synchronized (mPackages) { 6389 mPackages.remove(ps.name); 6390 if (ps.codePathString != null) { 6391 mAppDirs.remove(ps.codePathString); 6392 } 6393 6394 final PackageParser.Package pkg = ps.pkg; 6395 if (pkg != null) { 6396 cleanPackageDataStructuresLILPw(pkg, chatty); 6397 } 6398 } 6399 } 6400 6401 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6402 if (DEBUG_INSTALL) { 6403 if (chatty) 6404 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6405 } 6406 6407 // writer 6408 synchronized (mPackages) { 6409 mPackages.remove(pkg.applicationInfo.packageName); 6410 if (pkg.codePath != null) { 6411 mAppDirs.remove(pkg.codePath); 6412 } 6413 cleanPackageDataStructuresLILPw(pkg, chatty); 6414 } 6415 } 6416 6417 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6418 int N = pkg.providers.size(); 6419 StringBuilder r = null; 6420 int i; 6421 for (i=0; i<N; i++) { 6422 PackageParser.Provider p = pkg.providers.get(i); 6423 mProviders.removeProvider(p); 6424 if (p.info.authority == null) { 6425 6426 /* There was another ContentProvider with this authority when 6427 * this app was installed so this authority is null, 6428 * Ignore it as we don't have to unregister the provider. 6429 */ 6430 continue; 6431 } 6432 String names[] = p.info.authority.split(";"); 6433 for (int j = 0; j < names.length; j++) { 6434 if (mProvidersByAuthority.get(names[j]) == p) { 6435 mProvidersByAuthority.remove(names[j]); 6436 if (DEBUG_REMOVE) { 6437 if (chatty) 6438 Log.d(TAG, "Unregistered content provider: " + names[j] 6439 + ", className = " + p.info.name + ", isSyncable = " 6440 + p.info.isSyncable); 6441 } 6442 } 6443 } 6444 if (DEBUG_REMOVE && chatty) { 6445 if (r == null) { 6446 r = new StringBuilder(256); 6447 } else { 6448 r.append(' '); 6449 } 6450 r.append(p.info.name); 6451 } 6452 } 6453 if (r != null) { 6454 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6455 } 6456 6457 N = pkg.services.size(); 6458 r = null; 6459 for (i=0; i<N; i++) { 6460 PackageParser.Service s = pkg.services.get(i); 6461 mServices.removeService(s); 6462 if (chatty) { 6463 if (r == null) { 6464 r = new StringBuilder(256); 6465 } else { 6466 r.append(' '); 6467 } 6468 r.append(s.info.name); 6469 } 6470 } 6471 if (r != null) { 6472 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6473 } 6474 6475 N = pkg.receivers.size(); 6476 r = null; 6477 for (i=0; i<N; i++) { 6478 PackageParser.Activity a = pkg.receivers.get(i); 6479 mReceivers.removeActivity(a, "receiver"); 6480 if (DEBUG_REMOVE && chatty) { 6481 if (r == null) { 6482 r = new StringBuilder(256); 6483 } else { 6484 r.append(' '); 6485 } 6486 r.append(a.info.name); 6487 } 6488 } 6489 if (r != null) { 6490 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6491 } 6492 6493 N = pkg.activities.size(); 6494 r = null; 6495 for (i=0; i<N; i++) { 6496 PackageParser.Activity a = pkg.activities.get(i); 6497 mActivities.removeActivity(a, "activity"); 6498 if (DEBUG_REMOVE && chatty) { 6499 if (r == null) { 6500 r = new StringBuilder(256); 6501 } else { 6502 r.append(' '); 6503 } 6504 r.append(a.info.name); 6505 } 6506 } 6507 if (r != null) { 6508 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6509 } 6510 6511 N = pkg.permissions.size(); 6512 r = null; 6513 for (i=0; i<N; i++) { 6514 PackageParser.Permission p = pkg.permissions.get(i); 6515 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6516 if (bp == null) { 6517 bp = mSettings.mPermissionTrees.get(p.info.name); 6518 } 6519 if (bp != null && bp.perm == p) { 6520 bp.perm = null; 6521 if (DEBUG_REMOVE && chatty) { 6522 if (r == null) { 6523 r = new StringBuilder(256); 6524 } else { 6525 r.append(' '); 6526 } 6527 r.append(p.info.name); 6528 } 6529 } 6530 } 6531 if (r != null) { 6532 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6533 } 6534 6535 N = pkg.instrumentation.size(); 6536 r = null; 6537 for (i=0; i<N; i++) { 6538 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6539 mInstrumentation.remove(a.getComponentName()); 6540 if (DEBUG_REMOVE && chatty) { 6541 if (r == null) { 6542 r = new StringBuilder(256); 6543 } else { 6544 r.append(' '); 6545 } 6546 r.append(a.info.name); 6547 } 6548 } 6549 if (r != null) { 6550 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6551 } 6552 6553 r = null; 6554 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6555 // Only system apps can hold shared libraries. 6556 if (pkg.libraryNames != null) { 6557 for (i=0; i<pkg.libraryNames.size(); i++) { 6558 String name = pkg.libraryNames.get(i); 6559 SharedLibraryEntry cur = mSharedLibraries.get(name); 6560 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6561 mSharedLibraries.remove(name); 6562 if (DEBUG_REMOVE && chatty) { 6563 if (r == null) { 6564 r = new StringBuilder(256); 6565 } else { 6566 r.append(' '); 6567 } 6568 r.append(name); 6569 } 6570 } 6571 } 6572 } 6573 } 6574 if (r != null) { 6575 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6576 } 6577 } 6578 6579 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6580 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6581 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6582 return true; 6583 } 6584 } 6585 return false; 6586 } 6587 6588 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6589 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6590 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6591 6592 private void updatePermissionsLPw(String changingPkg, 6593 PackageParser.Package pkgInfo, int flags) { 6594 // Make sure there are no dangling permission trees. 6595 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6596 while (it.hasNext()) { 6597 final BasePermission bp = it.next(); 6598 if (bp.packageSetting == null) { 6599 // We may not yet have parsed the package, so just see if 6600 // we still know about its settings. 6601 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6602 } 6603 if (bp.packageSetting == null) { 6604 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6605 + " from package " + bp.sourcePackage); 6606 it.remove(); 6607 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6608 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6609 Slog.i(TAG, "Removing old permission tree: " + bp.name 6610 + " from package " + bp.sourcePackage); 6611 flags |= UPDATE_PERMISSIONS_ALL; 6612 it.remove(); 6613 } 6614 } 6615 } 6616 6617 // Make sure all dynamic permissions have been assigned to a package, 6618 // and make sure there are no dangling permissions. 6619 it = mSettings.mPermissions.values().iterator(); 6620 while (it.hasNext()) { 6621 final BasePermission bp = it.next(); 6622 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6623 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6624 + bp.name + " pkg=" + bp.sourcePackage 6625 + " info=" + bp.pendingInfo); 6626 if (bp.packageSetting == null && bp.pendingInfo != null) { 6627 final BasePermission tree = findPermissionTreeLP(bp.name); 6628 if (tree != null && tree.perm != null) { 6629 bp.packageSetting = tree.packageSetting; 6630 bp.perm = new PackageParser.Permission(tree.perm.owner, 6631 new PermissionInfo(bp.pendingInfo)); 6632 bp.perm.info.packageName = tree.perm.info.packageName; 6633 bp.perm.info.name = bp.name; 6634 bp.uid = tree.uid; 6635 } 6636 } 6637 } 6638 if (bp.packageSetting == null) { 6639 // We may not yet have parsed the package, so just see if 6640 // we still know about its settings. 6641 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6642 } 6643 if (bp.packageSetting == null) { 6644 Slog.w(TAG, "Removing dangling permission: " + bp.name 6645 + " from package " + bp.sourcePackage); 6646 it.remove(); 6647 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6648 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6649 Slog.i(TAG, "Removing old permission: " + bp.name 6650 + " from package " + bp.sourcePackage); 6651 flags |= UPDATE_PERMISSIONS_ALL; 6652 it.remove(); 6653 } 6654 } 6655 } 6656 6657 // Now update the permissions for all packages, in particular 6658 // replace the granted permissions of the system packages. 6659 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6660 for (PackageParser.Package pkg : mPackages.values()) { 6661 if (pkg != pkgInfo) { 6662 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6663 } 6664 } 6665 } 6666 6667 if (pkgInfo != null) { 6668 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6669 } 6670 } 6671 6672 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6673 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6674 if (ps == null) { 6675 return; 6676 } 6677 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6678 HashSet<String> origPermissions = gp.grantedPermissions; 6679 boolean changedPermission = false; 6680 6681 if (replace) { 6682 ps.permissionsFixed = false; 6683 if (gp == ps) { 6684 origPermissions = new HashSet<String>(gp.grantedPermissions); 6685 gp.grantedPermissions.clear(); 6686 gp.gids = mGlobalGids; 6687 } 6688 } 6689 6690 if (gp.gids == null) { 6691 gp.gids = mGlobalGids; 6692 } 6693 6694 final int N = pkg.requestedPermissions.size(); 6695 for (int i=0; i<N; i++) { 6696 final String name = pkg.requestedPermissions.get(i); 6697 final boolean required = pkg.requestedPermissionsRequired.get(i); 6698 final BasePermission bp = mSettings.mPermissions.get(name); 6699 if (DEBUG_INSTALL) { 6700 if (gp != ps) { 6701 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6702 } 6703 } 6704 6705 if (bp == null || bp.packageSetting == null) { 6706 Slog.w(TAG, "Unknown permission " + name 6707 + " in package " + pkg.packageName); 6708 continue; 6709 } 6710 6711 final String perm = bp.name; 6712 boolean allowed; 6713 boolean allowedSig = false; 6714 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6715 if (level == PermissionInfo.PROTECTION_NORMAL 6716 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6717 // We grant a normal or dangerous permission if any of the following 6718 // are true: 6719 // 1) The permission is required 6720 // 2) The permission is optional, but was granted in the past 6721 // 3) The permission is optional, but was requested by an 6722 // app in /system (not /data) 6723 // 6724 // Otherwise, reject the permission. 6725 allowed = (required || origPermissions.contains(perm) 6726 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6727 } else if (bp.packageSetting == null) { 6728 // This permission is invalid; skip it. 6729 allowed = false; 6730 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6731 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6732 if (allowed) { 6733 allowedSig = true; 6734 } 6735 } else { 6736 allowed = false; 6737 } 6738 if (DEBUG_INSTALL) { 6739 if (gp != ps) { 6740 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6741 } 6742 } 6743 if (allowed) { 6744 if (!isSystemApp(ps) && ps.permissionsFixed) { 6745 // If this is an existing, non-system package, then 6746 // we can't add any new permissions to it. 6747 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6748 // Except... if this is a permission that was added 6749 // to the platform (note: need to only do this when 6750 // updating the platform). 6751 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6752 } 6753 } 6754 if (allowed) { 6755 if (!gp.grantedPermissions.contains(perm)) { 6756 changedPermission = true; 6757 gp.grantedPermissions.add(perm); 6758 gp.gids = appendInts(gp.gids, bp.gids); 6759 } else if (!ps.haveGids) { 6760 gp.gids = appendInts(gp.gids, bp.gids); 6761 } 6762 } else { 6763 Slog.w(TAG, "Not granting permission " + perm 6764 + " to package " + pkg.packageName 6765 + " because it was previously installed without"); 6766 } 6767 } else { 6768 if (gp.grantedPermissions.remove(perm)) { 6769 changedPermission = true; 6770 gp.gids = removeInts(gp.gids, bp.gids); 6771 Slog.i(TAG, "Un-granting permission " + perm 6772 + " from package " + pkg.packageName 6773 + " (protectionLevel=" + bp.protectionLevel 6774 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6775 + ")"); 6776 } else { 6777 Slog.w(TAG, "Not granting permission " + perm 6778 + " to package " + pkg.packageName 6779 + " (protectionLevel=" + bp.protectionLevel 6780 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6781 + ")"); 6782 } 6783 } 6784 } 6785 6786 if ((changedPermission || replace) && !ps.permissionsFixed && 6787 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6788 // This is the first that we have heard about this package, so the 6789 // permissions we have now selected are fixed until explicitly 6790 // changed. 6791 ps.permissionsFixed = true; 6792 } 6793 ps.haveGids = true; 6794 } 6795 6796 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6797 boolean allowed = false; 6798 final int NP = PackageParser.NEW_PERMISSIONS.length; 6799 for (int ip=0; ip<NP; ip++) { 6800 final PackageParser.NewPermissionInfo npi 6801 = PackageParser.NEW_PERMISSIONS[ip]; 6802 if (npi.name.equals(perm) 6803 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6804 allowed = true; 6805 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6806 + pkg.packageName); 6807 break; 6808 } 6809 } 6810 return allowed; 6811 } 6812 6813 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6814 BasePermission bp, HashSet<String> origPermissions) { 6815 boolean allowed; 6816 allowed = (compareSignatures( 6817 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6818 == PackageManager.SIGNATURE_MATCH) 6819 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6820 == PackageManager.SIGNATURE_MATCH); 6821 if (!allowed && (bp.protectionLevel 6822 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6823 if (isSystemApp(pkg)) { 6824 // For updated system applications, a system permission 6825 // is granted only if it had been defined by the original application. 6826 if (isUpdatedSystemApp(pkg)) { 6827 final PackageSetting sysPs = mSettings 6828 .getDisabledSystemPkgLPr(pkg.packageName); 6829 final GrantedPermissions origGp = sysPs.sharedUser != null 6830 ? sysPs.sharedUser : sysPs; 6831 6832 if (origGp.grantedPermissions.contains(perm)) { 6833 // If the original was granted this permission, we take 6834 // that grant decision as read and propagate it to the 6835 // update. 6836 allowed = true; 6837 } else { 6838 // The system apk may have been updated with an older 6839 // version of the one on the data partition, but which 6840 // granted a new system permission that it didn't have 6841 // before. In this case we do want to allow the app to 6842 // now get the new permission if the ancestral apk is 6843 // privileged to get it. 6844 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6845 for (int j=0; 6846 j<sysPs.pkg.requestedPermissions.size(); j++) { 6847 if (perm.equals( 6848 sysPs.pkg.requestedPermissions.get(j))) { 6849 allowed = true; 6850 break; 6851 } 6852 } 6853 } 6854 } 6855 } else { 6856 allowed = isPrivilegedApp(pkg); 6857 } 6858 } 6859 } 6860 if (!allowed && (bp.protectionLevel 6861 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6862 // For development permissions, a development permission 6863 // is granted only if it was already granted. 6864 allowed = origPermissions.contains(perm); 6865 } 6866 return allowed; 6867 } 6868 6869 final class ActivityIntentResolver 6870 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6871 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6872 boolean defaultOnly, int userId) { 6873 if (!sUserManager.exists(userId)) return null; 6874 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6875 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6876 } 6877 6878 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6879 int userId) { 6880 if (!sUserManager.exists(userId)) return null; 6881 mFlags = flags; 6882 return super.queryIntent(intent, resolvedType, 6883 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6884 } 6885 6886 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6887 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6888 if (!sUserManager.exists(userId)) return null; 6889 if (packageActivities == null) { 6890 return null; 6891 } 6892 mFlags = flags; 6893 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6894 final int N = packageActivities.size(); 6895 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6896 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6897 6898 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6899 for (int i = 0; i < N; ++i) { 6900 intentFilters = packageActivities.get(i).intents; 6901 if (intentFilters != null && intentFilters.size() > 0) { 6902 PackageParser.ActivityIntentInfo[] array = 6903 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6904 intentFilters.toArray(array); 6905 listCut.add(array); 6906 } 6907 } 6908 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6909 } 6910 6911 public final void addActivity(PackageParser.Activity a, String type) { 6912 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6913 mActivities.put(a.getComponentName(), a); 6914 if (DEBUG_SHOW_INFO) 6915 Log.v( 6916 TAG, " " + type + " " + 6917 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6918 if (DEBUG_SHOW_INFO) 6919 Log.v(TAG, " Class=" + a.info.name); 6920 final int NI = a.intents.size(); 6921 for (int j=0; j<NI; j++) { 6922 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6923 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6924 intent.setPriority(0); 6925 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6926 + a.className + " with priority > 0, forcing to 0"); 6927 } 6928 if (DEBUG_SHOW_INFO) { 6929 Log.v(TAG, " IntentFilter:"); 6930 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6931 } 6932 if (!intent.debugCheck()) { 6933 Log.w(TAG, "==> For Activity " + a.info.name); 6934 } 6935 addFilter(intent); 6936 } 6937 } 6938 6939 public final void removeActivity(PackageParser.Activity a, String type) { 6940 mActivities.remove(a.getComponentName()); 6941 if (DEBUG_SHOW_INFO) { 6942 Log.v(TAG, " " + type + " " 6943 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6944 : a.info.name) + ":"); 6945 Log.v(TAG, " Class=" + a.info.name); 6946 } 6947 final int NI = a.intents.size(); 6948 for (int j=0; j<NI; j++) { 6949 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6950 if (DEBUG_SHOW_INFO) { 6951 Log.v(TAG, " IntentFilter:"); 6952 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6953 } 6954 removeFilter(intent); 6955 } 6956 } 6957 6958 @Override 6959 protected boolean allowFilterResult( 6960 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6961 ActivityInfo filterAi = filter.activity.info; 6962 for (int i=dest.size()-1; i>=0; i--) { 6963 ActivityInfo destAi = dest.get(i).activityInfo; 6964 if (destAi.name == filterAi.name 6965 && destAi.packageName == filterAi.packageName) { 6966 return false; 6967 } 6968 } 6969 return true; 6970 } 6971 6972 @Override 6973 protected ActivityIntentInfo[] newArray(int size) { 6974 return new ActivityIntentInfo[size]; 6975 } 6976 6977 @Override 6978 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6979 if (!sUserManager.exists(userId)) return true; 6980 PackageParser.Package p = filter.activity.owner; 6981 if (p != null) { 6982 PackageSetting ps = (PackageSetting)p.mExtras; 6983 if (ps != null) { 6984 // System apps are never considered stopped for purposes of 6985 // filtering, because there may be no way for the user to 6986 // actually re-launch them. 6987 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6988 && ps.getStopped(userId); 6989 } 6990 } 6991 return false; 6992 } 6993 6994 @Override 6995 protected boolean isPackageForFilter(String packageName, 6996 PackageParser.ActivityIntentInfo info) { 6997 return packageName.equals(info.activity.owner.packageName); 6998 } 6999 7000 @Override 7001 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7002 int match, int userId) { 7003 if (!sUserManager.exists(userId)) return null; 7004 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7005 return null; 7006 } 7007 final PackageParser.Activity activity = info.activity; 7008 if (mSafeMode && (activity.info.applicationInfo.flags 7009 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7010 return null; 7011 } 7012 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7013 if (ps == null) { 7014 return null; 7015 } 7016 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7017 ps.readUserState(userId), userId); 7018 if (ai == null) { 7019 return null; 7020 } 7021 final ResolveInfo res = new ResolveInfo(); 7022 res.activityInfo = ai; 7023 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7024 res.filter = info; 7025 } 7026 res.priority = info.getPriority(); 7027 res.preferredOrder = activity.owner.mPreferredOrder; 7028 //System.out.println("Result: " + res.activityInfo.className + 7029 // " = " + res.priority); 7030 res.match = match; 7031 res.isDefault = info.hasDefault; 7032 res.labelRes = info.labelRes; 7033 res.nonLocalizedLabel = info.nonLocalizedLabel; 7034 if (userNeedsBadging(userId)) { 7035 res.noResourceId = true; 7036 } else { 7037 res.icon = info.icon; 7038 } 7039 res.system = isSystemApp(res.activityInfo.applicationInfo); 7040 return res; 7041 } 7042 7043 @Override 7044 protected void sortResults(List<ResolveInfo> results) { 7045 Collections.sort(results, mResolvePrioritySorter); 7046 } 7047 7048 @Override 7049 protected void dumpFilter(PrintWriter out, String prefix, 7050 PackageParser.ActivityIntentInfo filter) { 7051 out.print(prefix); out.print( 7052 Integer.toHexString(System.identityHashCode(filter.activity))); 7053 out.print(' '); 7054 filter.activity.printComponentShortName(out); 7055 out.print(" filter "); 7056 out.println(Integer.toHexString(System.identityHashCode(filter))); 7057 } 7058 7059// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7060// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7061// final List<ResolveInfo> retList = Lists.newArrayList(); 7062// while (i.hasNext()) { 7063// final ResolveInfo resolveInfo = i.next(); 7064// if (isEnabledLP(resolveInfo.activityInfo)) { 7065// retList.add(resolveInfo); 7066// } 7067// } 7068// return retList; 7069// } 7070 7071 // Keys are String (activity class name), values are Activity. 7072 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7073 = new HashMap<ComponentName, PackageParser.Activity>(); 7074 private int mFlags; 7075 } 7076 7077 private final class ServiceIntentResolver 7078 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7079 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7080 boolean defaultOnly, int userId) { 7081 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7082 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7083 } 7084 7085 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7086 int userId) { 7087 if (!sUserManager.exists(userId)) return null; 7088 mFlags = flags; 7089 return super.queryIntent(intent, resolvedType, 7090 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7091 } 7092 7093 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7094 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7095 if (!sUserManager.exists(userId)) return null; 7096 if (packageServices == null) { 7097 return null; 7098 } 7099 mFlags = flags; 7100 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7101 final int N = packageServices.size(); 7102 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7103 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7104 7105 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7106 for (int i = 0; i < N; ++i) { 7107 intentFilters = packageServices.get(i).intents; 7108 if (intentFilters != null && intentFilters.size() > 0) { 7109 PackageParser.ServiceIntentInfo[] array = 7110 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7111 intentFilters.toArray(array); 7112 listCut.add(array); 7113 } 7114 } 7115 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7116 } 7117 7118 public final void addService(PackageParser.Service s) { 7119 mServices.put(s.getComponentName(), s); 7120 if (DEBUG_SHOW_INFO) { 7121 Log.v(TAG, " " 7122 + (s.info.nonLocalizedLabel != null 7123 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7124 Log.v(TAG, " Class=" + s.info.name); 7125 } 7126 final int NI = s.intents.size(); 7127 int j; 7128 for (j=0; j<NI; j++) { 7129 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7130 if (DEBUG_SHOW_INFO) { 7131 Log.v(TAG, " IntentFilter:"); 7132 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7133 } 7134 if (!intent.debugCheck()) { 7135 Log.w(TAG, "==> For Service " + s.info.name); 7136 } 7137 addFilter(intent); 7138 } 7139 } 7140 7141 public final void removeService(PackageParser.Service s) { 7142 mServices.remove(s.getComponentName()); 7143 if (DEBUG_SHOW_INFO) { 7144 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7145 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7146 Log.v(TAG, " Class=" + s.info.name); 7147 } 7148 final int NI = s.intents.size(); 7149 int j; 7150 for (j=0; j<NI; j++) { 7151 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7152 if (DEBUG_SHOW_INFO) { 7153 Log.v(TAG, " IntentFilter:"); 7154 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7155 } 7156 removeFilter(intent); 7157 } 7158 } 7159 7160 @Override 7161 protected boolean allowFilterResult( 7162 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7163 ServiceInfo filterSi = filter.service.info; 7164 for (int i=dest.size()-1; i>=0; i--) { 7165 ServiceInfo destAi = dest.get(i).serviceInfo; 7166 if (destAi.name == filterSi.name 7167 && destAi.packageName == filterSi.packageName) { 7168 return false; 7169 } 7170 } 7171 return true; 7172 } 7173 7174 @Override 7175 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7176 return new PackageParser.ServiceIntentInfo[size]; 7177 } 7178 7179 @Override 7180 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7181 if (!sUserManager.exists(userId)) return true; 7182 PackageParser.Package p = filter.service.owner; 7183 if (p != null) { 7184 PackageSetting ps = (PackageSetting)p.mExtras; 7185 if (ps != null) { 7186 // System apps are never considered stopped for purposes of 7187 // filtering, because there may be no way for the user to 7188 // actually re-launch them. 7189 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7190 && ps.getStopped(userId); 7191 } 7192 } 7193 return false; 7194 } 7195 7196 @Override 7197 protected boolean isPackageForFilter(String packageName, 7198 PackageParser.ServiceIntentInfo info) { 7199 return packageName.equals(info.service.owner.packageName); 7200 } 7201 7202 @Override 7203 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7204 int match, int userId) { 7205 if (!sUserManager.exists(userId)) return null; 7206 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7207 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7208 return null; 7209 } 7210 final PackageParser.Service service = info.service; 7211 if (mSafeMode && (service.info.applicationInfo.flags 7212 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7213 return null; 7214 } 7215 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7216 if (ps == null) { 7217 return null; 7218 } 7219 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7220 ps.readUserState(userId), userId); 7221 if (si == null) { 7222 return null; 7223 } 7224 final ResolveInfo res = new ResolveInfo(); 7225 res.serviceInfo = si; 7226 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7227 res.filter = filter; 7228 } 7229 res.priority = info.getPriority(); 7230 res.preferredOrder = service.owner.mPreferredOrder; 7231 //System.out.println("Result: " + res.activityInfo.className + 7232 // " = " + res.priority); 7233 res.match = match; 7234 res.isDefault = info.hasDefault; 7235 res.labelRes = info.labelRes; 7236 res.nonLocalizedLabel = info.nonLocalizedLabel; 7237 res.icon = info.icon; 7238 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7239 return res; 7240 } 7241 7242 @Override 7243 protected void sortResults(List<ResolveInfo> results) { 7244 Collections.sort(results, mResolvePrioritySorter); 7245 } 7246 7247 @Override 7248 protected void dumpFilter(PrintWriter out, String prefix, 7249 PackageParser.ServiceIntentInfo filter) { 7250 out.print(prefix); out.print( 7251 Integer.toHexString(System.identityHashCode(filter.service))); 7252 out.print(' '); 7253 filter.service.printComponentShortName(out); 7254 out.print(" filter "); 7255 out.println(Integer.toHexString(System.identityHashCode(filter))); 7256 } 7257 7258// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7259// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7260// final List<ResolveInfo> retList = Lists.newArrayList(); 7261// while (i.hasNext()) { 7262// final ResolveInfo resolveInfo = (ResolveInfo) i; 7263// if (isEnabledLP(resolveInfo.serviceInfo)) { 7264// retList.add(resolveInfo); 7265// } 7266// } 7267// return retList; 7268// } 7269 7270 // Keys are String (activity class name), values are Activity. 7271 private final HashMap<ComponentName, PackageParser.Service> mServices 7272 = new HashMap<ComponentName, PackageParser.Service>(); 7273 private int mFlags; 7274 }; 7275 7276 private final class ProviderIntentResolver 7277 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7278 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7279 boolean defaultOnly, int userId) { 7280 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7281 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7282 } 7283 7284 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7285 int userId) { 7286 if (!sUserManager.exists(userId)) 7287 return null; 7288 mFlags = flags; 7289 return super.queryIntent(intent, resolvedType, 7290 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7291 } 7292 7293 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7294 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7295 if (!sUserManager.exists(userId)) 7296 return null; 7297 if (packageProviders == null) { 7298 return null; 7299 } 7300 mFlags = flags; 7301 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7302 final int N = packageProviders.size(); 7303 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7304 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7305 7306 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7307 for (int i = 0; i < N; ++i) { 7308 intentFilters = packageProviders.get(i).intents; 7309 if (intentFilters != null && intentFilters.size() > 0) { 7310 PackageParser.ProviderIntentInfo[] array = 7311 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7312 intentFilters.toArray(array); 7313 listCut.add(array); 7314 } 7315 } 7316 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7317 } 7318 7319 public final void addProvider(PackageParser.Provider p) { 7320 if (mProviders.containsKey(p.getComponentName())) { 7321 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7322 return; 7323 } 7324 7325 mProviders.put(p.getComponentName(), p); 7326 if (DEBUG_SHOW_INFO) { 7327 Log.v(TAG, " " 7328 + (p.info.nonLocalizedLabel != null 7329 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7330 Log.v(TAG, " Class=" + p.info.name); 7331 } 7332 final int NI = p.intents.size(); 7333 int j; 7334 for (j = 0; j < NI; j++) { 7335 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7336 if (DEBUG_SHOW_INFO) { 7337 Log.v(TAG, " IntentFilter:"); 7338 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7339 } 7340 if (!intent.debugCheck()) { 7341 Log.w(TAG, "==> For Provider " + p.info.name); 7342 } 7343 addFilter(intent); 7344 } 7345 } 7346 7347 public final void removeProvider(PackageParser.Provider p) { 7348 mProviders.remove(p.getComponentName()); 7349 if (DEBUG_SHOW_INFO) { 7350 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7351 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7352 Log.v(TAG, " Class=" + p.info.name); 7353 } 7354 final int NI = p.intents.size(); 7355 int j; 7356 for (j = 0; j < NI; j++) { 7357 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7358 if (DEBUG_SHOW_INFO) { 7359 Log.v(TAG, " IntentFilter:"); 7360 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7361 } 7362 removeFilter(intent); 7363 } 7364 } 7365 7366 @Override 7367 protected boolean allowFilterResult( 7368 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7369 ProviderInfo filterPi = filter.provider.info; 7370 for (int i = dest.size() - 1; i >= 0; i--) { 7371 ProviderInfo destPi = dest.get(i).providerInfo; 7372 if (destPi.name == filterPi.name 7373 && destPi.packageName == filterPi.packageName) { 7374 return false; 7375 } 7376 } 7377 return true; 7378 } 7379 7380 @Override 7381 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7382 return new PackageParser.ProviderIntentInfo[size]; 7383 } 7384 7385 @Override 7386 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7387 if (!sUserManager.exists(userId)) 7388 return true; 7389 PackageParser.Package p = filter.provider.owner; 7390 if (p != null) { 7391 PackageSetting ps = (PackageSetting) p.mExtras; 7392 if (ps != null) { 7393 // System apps are never considered stopped for purposes of 7394 // filtering, because there may be no way for the user to 7395 // actually re-launch them. 7396 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7397 && ps.getStopped(userId); 7398 } 7399 } 7400 return false; 7401 } 7402 7403 @Override 7404 protected boolean isPackageForFilter(String packageName, 7405 PackageParser.ProviderIntentInfo info) { 7406 return packageName.equals(info.provider.owner.packageName); 7407 } 7408 7409 @Override 7410 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7411 int match, int userId) { 7412 if (!sUserManager.exists(userId)) 7413 return null; 7414 final PackageParser.ProviderIntentInfo info = filter; 7415 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7416 return null; 7417 } 7418 final PackageParser.Provider provider = info.provider; 7419 if (mSafeMode && (provider.info.applicationInfo.flags 7420 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7421 return null; 7422 } 7423 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7424 if (ps == null) { 7425 return null; 7426 } 7427 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7428 ps.readUserState(userId), userId); 7429 if (pi == null) { 7430 return null; 7431 } 7432 final ResolveInfo res = new ResolveInfo(); 7433 res.providerInfo = pi; 7434 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7435 res.filter = filter; 7436 } 7437 res.priority = info.getPriority(); 7438 res.preferredOrder = provider.owner.mPreferredOrder; 7439 res.match = match; 7440 res.isDefault = info.hasDefault; 7441 res.labelRes = info.labelRes; 7442 res.nonLocalizedLabel = info.nonLocalizedLabel; 7443 res.icon = info.icon; 7444 res.system = isSystemApp(res.providerInfo.applicationInfo); 7445 return res; 7446 } 7447 7448 @Override 7449 protected void sortResults(List<ResolveInfo> results) { 7450 Collections.sort(results, mResolvePrioritySorter); 7451 } 7452 7453 @Override 7454 protected void dumpFilter(PrintWriter out, String prefix, 7455 PackageParser.ProviderIntentInfo filter) { 7456 out.print(prefix); 7457 out.print( 7458 Integer.toHexString(System.identityHashCode(filter.provider))); 7459 out.print(' '); 7460 filter.provider.printComponentShortName(out); 7461 out.print(" filter "); 7462 out.println(Integer.toHexString(System.identityHashCode(filter))); 7463 } 7464 7465 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7466 = new HashMap<ComponentName, PackageParser.Provider>(); 7467 private int mFlags; 7468 }; 7469 7470 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7471 new Comparator<ResolveInfo>() { 7472 public int compare(ResolveInfo r1, ResolveInfo r2) { 7473 int v1 = r1.priority; 7474 int v2 = r2.priority; 7475 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7476 if (v1 != v2) { 7477 return (v1 > v2) ? -1 : 1; 7478 } 7479 v1 = r1.preferredOrder; 7480 v2 = r2.preferredOrder; 7481 if (v1 != v2) { 7482 return (v1 > v2) ? -1 : 1; 7483 } 7484 if (r1.isDefault != r2.isDefault) { 7485 return r1.isDefault ? -1 : 1; 7486 } 7487 v1 = r1.match; 7488 v2 = r2.match; 7489 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7490 if (v1 != v2) { 7491 return (v1 > v2) ? -1 : 1; 7492 } 7493 if (r1.system != r2.system) { 7494 return r1.system ? -1 : 1; 7495 } 7496 return 0; 7497 } 7498 }; 7499 7500 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7501 new Comparator<ProviderInfo>() { 7502 public int compare(ProviderInfo p1, ProviderInfo p2) { 7503 final int v1 = p1.initOrder; 7504 final int v2 = p2.initOrder; 7505 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7506 } 7507 }; 7508 7509 static final void sendPackageBroadcast(String action, String pkg, 7510 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7511 int[] userIds) { 7512 IActivityManager am = ActivityManagerNative.getDefault(); 7513 if (am != null) { 7514 try { 7515 if (userIds == null) { 7516 userIds = am.getRunningUserIds(); 7517 } 7518 for (int id : userIds) { 7519 final Intent intent = new Intent(action, 7520 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7521 if (extras != null) { 7522 intent.putExtras(extras); 7523 } 7524 if (targetPkg != null) { 7525 intent.setPackage(targetPkg); 7526 } 7527 // Modify the UID when posting to other users 7528 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7529 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7530 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7531 intent.putExtra(Intent.EXTRA_UID, uid); 7532 } 7533 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7534 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7535 if (DEBUG_BROADCASTS) { 7536 RuntimeException here = new RuntimeException("here"); 7537 here.fillInStackTrace(); 7538 Slog.d(TAG, "Sending to user " + id + ": " 7539 + intent.toShortString(false, true, false, false) 7540 + " " + intent.getExtras(), here); 7541 } 7542 am.broadcastIntent(null, intent, null, finishedReceiver, 7543 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7544 finishedReceiver != null, false, id); 7545 } 7546 } catch (RemoteException ex) { 7547 } 7548 } 7549 } 7550 7551 /** 7552 * Check if the external storage media is available. This is true if there 7553 * is a mounted external storage medium or if the external storage is 7554 * emulated. 7555 */ 7556 private boolean isExternalMediaAvailable() { 7557 return mMediaMounted || Environment.isExternalStorageEmulated(); 7558 } 7559 7560 @Override 7561 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7562 // writer 7563 synchronized (mPackages) { 7564 if (!isExternalMediaAvailable()) { 7565 // If the external storage is no longer mounted at this point, 7566 // the caller may not have been able to delete all of this 7567 // packages files and can not delete any more. Bail. 7568 return null; 7569 } 7570 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7571 if (lastPackage != null) { 7572 pkgs.remove(lastPackage); 7573 } 7574 if (pkgs.size() > 0) { 7575 return pkgs.get(0); 7576 } 7577 } 7578 return null; 7579 } 7580 7581 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7582 if (false) { 7583 RuntimeException here = new RuntimeException("here"); 7584 here.fillInStackTrace(); 7585 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7586 + " andCode=" + andCode, here); 7587 } 7588 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7589 userId, andCode ? 1 : 0, packageName)); 7590 } 7591 7592 void startCleaningPackages() { 7593 // reader 7594 synchronized (mPackages) { 7595 if (!isExternalMediaAvailable()) { 7596 return; 7597 } 7598 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7599 return; 7600 } 7601 } 7602 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7603 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7604 IActivityManager am = ActivityManagerNative.getDefault(); 7605 if (am != null) { 7606 try { 7607 am.startService(null, intent, null, UserHandle.USER_OWNER); 7608 } catch (RemoteException e) { 7609 } 7610 } 7611 } 7612 7613 private final class AppDirObserver extends FileObserver { 7614 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7615 super(path, mask); 7616 mRootDir = path; 7617 mIsRom = isrom; 7618 mIsPrivileged = isPrivileged; 7619 } 7620 7621 public void onEvent(int event, String path) { 7622 String removedPackage = null; 7623 int removedAppId = -1; 7624 int[] removedUsers = null; 7625 String addedPackage = null; 7626 int addedAppId = -1; 7627 int[] addedUsers = null; 7628 7629 // TODO post a message to the handler to obtain serial ordering 7630 synchronized (mInstallLock) { 7631 String fullPathStr = null; 7632 File fullPath = null; 7633 if (path != null) { 7634 fullPath = new File(mRootDir, path); 7635 fullPathStr = fullPath.getPath(); 7636 } 7637 7638 if (DEBUG_APP_DIR_OBSERVER) 7639 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7640 7641 if (!isApkFile(fullPath)) { 7642 if (DEBUG_APP_DIR_OBSERVER) 7643 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7644 return; 7645 } 7646 7647 // Ignore packages that are being installed or 7648 // have just been installed. 7649 if (ignoreCodePath(fullPathStr)) { 7650 return; 7651 } 7652 PackageParser.Package p = null; 7653 PackageSetting ps = null; 7654 // reader 7655 synchronized (mPackages) { 7656 p = mAppDirs.get(fullPathStr); 7657 if (p != null) { 7658 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7659 if (ps != null) { 7660 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7661 } else { 7662 removedUsers = sUserManager.getUserIds(); 7663 } 7664 } 7665 addedUsers = sUserManager.getUserIds(); 7666 } 7667 if ((event&REMOVE_EVENTS) != 0) { 7668 if (ps != null) { 7669 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7670 removePackageLI(ps, true); 7671 removedPackage = ps.name; 7672 removedAppId = ps.appId; 7673 } 7674 } 7675 7676 if ((event&ADD_EVENTS) != 0) { 7677 if (p == null) { 7678 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7679 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7680 if (mIsRom) { 7681 flags |= PackageParser.PARSE_IS_SYSTEM 7682 | PackageParser.PARSE_IS_SYSTEM_DIR; 7683 if (mIsPrivileged) { 7684 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7685 } 7686 } 7687 try { 7688 p = scanPackageLI(fullPath, flags, 7689 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7690 System.currentTimeMillis(), UserHandle.ALL, null); 7691 } catch (PackageManagerException e) { 7692 Slog.w(TAG, "Failed to scan " + fullPath + ": " + e.getMessage()); 7693 p = null; 7694 } 7695 if (p != null) { 7696 /* 7697 * TODO this seems dangerous as the package may have 7698 * changed since we last acquired the mPackages 7699 * lock. 7700 */ 7701 // writer 7702 synchronized (mPackages) { 7703 updatePermissionsLPw(p.packageName, p, 7704 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7705 } 7706 addedPackage = p.applicationInfo.packageName; 7707 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7708 } 7709 } 7710 } 7711 7712 // reader 7713 synchronized (mPackages) { 7714 mSettings.writeLPr(); 7715 } 7716 } 7717 7718 if (removedPackage != null) { 7719 Bundle extras = new Bundle(1); 7720 extras.putInt(Intent.EXTRA_UID, removedAppId); 7721 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7722 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7723 extras, null, null, removedUsers); 7724 } 7725 if (addedPackage != null) { 7726 Bundle extras = new Bundle(1); 7727 extras.putInt(Intent.EXTRA_UID, addedAppId); 7728 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7729 extras, null, null, addedUsers); 7730 } 7731 } 7732 7733 private final String mRootDir; 7734 private final boolean mIsRom; 7735 private final boolean mIsPrivileged; 7736 } 7737 7738 @Override 7739 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7740 String installerPackageName, VerificationParams verificationParams, 7741 String packageAbiOverride) { 7742 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7743 null); 7744 7745 final File originFile = new File(originPath); 7746 final int uid = Binder.getCallingUid(); 7747 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7748 try { 7749 if (observer != null) { 7750 observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED, null); 7751 } 7752 } catch (RemoteException re) { 7753 } 7754 return; 7755 } 7756 7757 UserHandle user; 7758 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7759 user = UserHandle.ALL; 7760 } else { 7761 user = new UserHandle(UserHandle.getUserId(uid)); 7762 } 7763 7764 final int filteredFlags; 7765 if (uid == Process.SHELL_UID || uid == 0) { 7766 if (DEBUG_INSTALL) { 7767 Slog.v(TAG, "Install from ADB"); 7768 } 7769 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7770 } else { 7771 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7772 } 7773 7774 verificationParams.setInstallerUid(uid); 7775 7776 final Message msg = mHandler.obtainMessage(INIT_COPY); 7777 msg.obj = new InstallParams(originFile, false, observer, filteredFlags, 7778 installerPackageName, verificationParams, user, packageAbiOverride); 7779 mHandler.sendMessage(msg); 7780 } 7781 7782 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer, 7783 InstallSessionParams params, String installerPackageName, int installerUid, 7784 UserHandle user) { 7785 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7786 params.referrerUri, installerUid, null); 7787 7788 final Message msg = mHandler.obtainMessage(INIT_COPY); 7789 msg.obj = new InstallParams(stageDir, true, observer, params.installFlags, 7790 installerPackageName, verifParams, user, params.abiOverride); 7791 mHandler.sendMessage(msg); 7792 } 7793 7794 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7795 Bundle extras = new Bundle(1); 7796 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7797 7798 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7799 packageName, extras, null, null, new int[] {userId}); 7800 try { 7801 IActivityManager am = ActivityManagerNative.getDefault(); 7802 final boolean isSystem = 7803 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7804 if (isSystem && am.isUserRunning(userId, false)) { 7805 // The just-installed/enabled app is bundled on the system, so presumed 7806 // to be able to run automatically without needing an explicit launch. 7807 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7808 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7809 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7810 .setPackage(packageName); 7811 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7812 android.app.AppOpsManager.OP_NONE, false, false, userId); 7813 } 7814 } catch (RemoteException e) { 7815 // shouldn't happen 7816 Slog.w(TAG, "Unable to bootstrap installed package", e); 7817 } 7818 } 7819 7820 @Override 7821 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7822 int userId) { 7823 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7824 PackageSetting pkgSetting; 7825 final int uid = Binder.getCallingUid(); 7826 if (UserHandle.getUserId(uid) != userId) { 7827 mContext.enforceCallingOrSelfPermission( 7828 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7829 "setApplicationBlockedSetting for user " + userId); 7830 } 7831 7832 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7833 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7834 return false; 7835 } 7836 7837 long callingId = Binder.clearCallingIdentity(); 7838 try { 7839 boolean sendAdded = false; 7840 boolean sendRemoved = false; 7841 // writer 7842 synchronized (mPackages) { 7843 pkgSetting = mSettings.mPackages.get(packageName); 7844 if (pkgSetting == null) { 7845 return false; 7846 } 7847 if (pkgSetting.getBlocked(userId) != blocked) { 7848 pkgSetting.setBlocked(blocked, userId); 7849 mSettings.writePackageRestrictionsLPr(userId); 7850 if (blocked) { 7851 sendRemoved = true; 7852 } else { 7853 sendAdded = true; 7854 } 7855 } 7856 } 7857 if (sendAdded) { 7858 sendPackageAddedForUser(packageName, pkgSetting, userId); 7859 return true; 7860 } 7861 if (sendRemoved) { 7862 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7863 "blocking pkg"); 7864 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7865 } 7866 } finally { 7867 Binder.restoreCallingIdentity(callingId); 7868 } 7869 return false; 7870 } 7871 7872 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7873 int userId) { 7874 final PackageRemovedInfo info = new PackageRemovedInfo(); 7875 info.removedPackage = packageName; 7876 info.removedUsers = new int[] {userId}; 7877 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7878 info.sendBroadcast(false, false, false); 7879 } 7880 7881 /** 7882 * Returns true if application is not found or there was an error. Otherwise it returns 7883 * the blocked state of the package for the given user. 7884 */ 7885 @Override 7886 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7887 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7888 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7889 "getApplicationBlocked for user " + userId); 7890 PackageSetting pkgSetting; 7891 long callingId = Binder.clearCallingIdentity(); 7892 try { 7893 // writer 7894 synchronized (mPackages) { 7895 pkgSetting = mSettings.mPackages.get(packageName); 7896 if (pkgSetting == null) { 7897 return true; 7898 } 7899 return pkgSetting.getBlocked(userId); 7900 } 7901 } finally { 7902 Binder.restoreCallingIdentity(callingId); 7903 } 7904 } 7905 7906 /** 7907 * @hide 7908 */ 7909 @Override 7910 public int installExistingPackageAsUser(String packageName, int userId) { 7911 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7912 null); 7913 PackageSetting pkgSetting; 7914 final int uid = Binder.getCallingUid(); 7915 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7916 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7917 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7918 } 7919 7920 long callingId = Binder.clearCallingIdentity(); 7921 try { 7922 boolean sendAdded = false; 7923 Bundle extras = new Bundle(1); 7924 7925 // writer 7926 synchronized (mPackages) { 7927 pkgSetting = mSettings.mPackages.get(packageName); 7928 if (pkgSetting == null) { 7929 return PackageManager.INSTALL_FAILED_INVALID_URI; 7930 } 7931 if (!pkgSetting.getInstalled(userId)) { 7932 pkgSetting.setInstalled(true, userId); 7933 pkgSetting.setBlocked(false, userId); 7934 mSettings.writePackageRestrictionsLPr(userId); 7935 sendAdded = true; 7936 } 7937 } 7938 7939 if (sendAdded) { 7940 sendPackageAddedForUser(packageName, pkgSetting, userId); 7941 } 7942 } finally { 7943 Binder.restoreCallingIdentity(callingId); 7944 } 7945 7946 return PackageManager.INSTALL_SUCCEEDED; 7947 } 7948 7949 boolean isUserRestricted(int userId, String restrictionKey) { 7950 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7951 if (restrictions.getBoolean(restrictionKey, false)) { 7952 Log.w(TAG, "User is restricted: " + restrictionKey); 7953 return true; 7954 } 7955 return false; 7956 } 7957 7958 @Override 7959 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7960 mContext.enforceCallingOrSelfPermission( 7961 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7962 "Only package verification agents can verify applications"); 7963 7964 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7965 final PackageVerificationResponse response = new PackageVerificationResponse( 7966 verificationCode, Binder.getCallingUid()); 7967 msg.arg1 = id; 7968 msg.obj = response; 7969 mHandler.sendMessage(msg); 7970 } 7971 7972 @Override 7973 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7974 long millisecondsToDelay) { 7975 mContext.enforceCallingOrSelfPermission( 7976 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7977 "Only package verification agents can extend verification timeouts"); 7978 7979 final PackageVerificationState state = mPendingVerification.get(id); 7980 final PackageVerificationResponse response = new PackageVerificationResponse( 7981 verificationCodeAtTimeout, Binder.getCallingUid()); 7982 7983 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7984 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7985 } 7986 if (millisecondsToDelay < 0) { 7987 millisecondsToDelay = 0; 7988 } 7989 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7990 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7991 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7992 } 7993 7994 if ((state != null) && !state.timeoutExtended()) { 7995 state.extendTimeout(); 7996 7997 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7998 msg.arg1 = id; 7999 msg.obj = response; 8000 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8001 } 8002 } 8003 8004 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8005 int verificationCode, UserHandle user) { 8006 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8007 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8008 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8009 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8010 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8011 8012 mContext.sendBroadcastAsUser(intent, user, 8013 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8014 } 8015 8016 private ComponentName matchComponentForVerifier(String packageName, 8017 List<ResolveInfo> receivers) { 8018 ActivityInfo targetReceiver = null; 8019 8020 final int NR = receivers.size(); 8021 for (int i = 0; i < NR; i++) { 8022 final ResolveInfo info = receivers.get(i); 8023 if (info.activityInfo == null) { 8024 continue; 8025 } 8026 8027 if (packageName.equals(info.activityInfo.packageName)) { 8028 targetReceiver = info.activityInfo; 8029 break; 8030 } 8031 } 8032 8033 if (targetReceiver == null) { 8034 return null; 8035 } 8036 8037 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8038 } 8039 8040 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8041 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8042 if (pkgInfo.verifiers.length == 0) { 8043 return null; 8044 } 8045 8046 final int N = pkgInfo.verifiers.length; 8047 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8048 for (int i = 0; i < N; i++) { 8049 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8050 8051 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8052 receivers); 8053 if (comp == null) { 8054 continue; 8055 } 8056 8057 final int verifierUid = getUidForVerifier(verifierInfo); 8058 if (verifierUid == -1) { 8059 continue; 8060 } 8061 8062 if (DEBUG_VERIFY) { 8063 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8064 + " with the correct signature"); 8065 } 8066 sufficientVerifiers.add(comp); 8067 verificationState.addSufficientVerifier(verifierUid); 8068 } 8069 8070 return sufficientVerifiers; 8071 } 8072 8073 private int getUidForVerifier(VerifierInfo verifierInfo) { 8074 synchronized (mPackages) { 8075 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8076 if (pkg == null) { 8077 return -1; 8078 } else if (pkg.mSignatures.length != 1) { 8079 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8080 + " has more than one signature; ignoring"); 8081 return -1; 8082 } 8083 8084 /* 8085 * If the public key of the package's signature does not match 8086 * our expected public key, then this is a different package and 8087 * we should skip. 8088 */ 8089 8090 final byte[] expectedPublicKey; 8091 try { 8092 final Signature verifierSig = pkg.mSignatures[0]; 8093 final PublicKey publicKey = verifierSig.getPublicKey(); 8094 expectedPublicKey = publicKey.getEncoded(); 8095 } catch (CertificateException e) { 8096 return -1; 8097 } 8098 8099 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8100 8101 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8102 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8103 + " does not have the expected public key; ignoring"); 8104 return -1; 8105 } 8106 8107 return pkg.applicationInfo.uid; 8108 } 8109 } 8110 8111 @Override 8112 public void finishPackageInstall(int token) { 8113 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8114 8115 if (DEBUG_INSTALL) { 8116 Slog.v(TAG, "BM finishing package install for " + token); 8117 } 8118 8119 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8120 mHandler.sendMessage(msg); 8121 } 8122 8123 /** 8124 * Get the verification agent timeout. 8125 * 8126 * @return verification timeout in milliseconds 8127 */ 8128 private long getVerificationTimeout() { 8129 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8130 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8131 DEFAULT_VERIFICATION_TIMEOUT); 8132 } 8133 8134 /** 8135 * Get the default verification agent response code. 8136 * 8137 * @return default verification response code 8138 */ 8139 private int getDefaultVerificationResponse() { 8140 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8141 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8142 DEFAULT_VERIFICATION_RESPONSE); 8143 } 8144 8145 /** 8146 * Check whether or not package verification has been enabled. 8147 * 8148 * @return true if verification should be performed 8149 */ 8150 private boolean isVerificationEnabled(int userId, int flags) { 8151 if (!DEFAULT_VERIFY_ENABLE) { 8152 return false; 8153 } 8154 8155 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8156 8157 // Check if installing from ADB 8158 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8159 // Do not run verification in a test harness environment 8160 if (ActivityManager.isRunningInTestHarness()) { 8161 return false; 8162 } 8163 if (ensureVerifyAppsEnabled) { 8164 return true; 8165 } 8166 // Check if the developer does not want package verification for ADB installs 8167 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8168 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8169 return false; 8170 } 8171 } 8172 8173 if (ensureVerifyAppsEnabled) { 8174 return true; 8175 } 8176 8177 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8178 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8179 } 8180 8181 /** 8182 * Get the "allow unknown sources" setting. 8183 * 8184 * @return the current "allow unknown sources" setting 8185 */ 8186 private int getUnknownSourcesSettings() { 8187 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8188 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8189 -1); 8190 } 8191 8192 @Override 8193 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8194 final int uid = Binder.getCallingUid(); 8195 // writer 8196 synchronized (mPackages) { 8197 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8198 if (targetPackageSetting == null) { 8199 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8200 } 8201 8202 PackageSetting installerPackageSetting; 8203 if (installerPackageName != null) { 8204 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8205 if (installerPackageSetting == null) { 8206 throw new IllegalArgumentException("Unknown installer package: " 8207 + installerPackageName); 8208 } 8209 } else { 8210 installerPackageSetting = null; 8211 } 8212 8213 Signature[] callerSignature; 8214 Object obj = mSettings.getUserIdLPr(uid); 8215 if (obj != null) { 8216 if (obj instanceof SharedUserSetting) { 8217 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8218 } else if (obj instanceof PackageSetting) { 8219 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8220 } else { 8221 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8222 } 8223 } else { 8224 throw new SecurityException("Unknown calling uid " + uid); 8225 } 8226 8227 // Verify: can't set installerPackageName to a package that is 8228 // not signed with the same cert as the caller. 8229 if (installerPackageSetting != null) { 8230 if (compareSignatures(callerSignature, 8231 installerPackageSetting.signatures.mSignatures) 8232 != PackageManager.SIGNATURE_MATCH) { 8233 throw new SecurityException( 8234 "Caller does not have same cert as new installer package " 8235 + installerPackageName); 8236 } 8237 } 8238 8239 // Verify: if target already has an installer package, it must 8240 // be signed with the same cert as the caller. 8241 if (targetPackageSetting.installerPackageName != null) { 8242 PackageSetting setting = mSettings.mPackages.get( 8243 targetPackageSetting.installerPackageName); 8244 // If the currently set package isn't valid, then it's always 8245 // okay to change it. 8246 if (setting != null) { 8247 if (compareSignatures(callerSignature, 8248 setting.signatures.mSignatures) 8249 != PackageManager.SIGNATURE_MATCH) { 8250 throw new SecurityException( 8251 "Caller does not have same cert as old installer package " 8252 + targetPackageSetting.installerPackageName); 8253 } 8254 } 8255 } 8256 8257 // Okay! 8258 targetPackageSetting.installerPackageName = installerPackageName; 8259 scheduleWriteSettingsLocked(); 8260 } 8261 } 8262 8263 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8264 // Queue up an async operation since the package installation may take a little while. 8265 mHandler.post(new Runnable() { 8266 public void run() { 8267 mHandler.removeCallbacks(this); 8268 // Result object to be returned 8269 PackageInstalledInfo res = new PackageInstalledInfo(); 8270 res.returnCode = currentStatus; 8271 res.uid = -1; 8272 res.pkg = null; 8273 res.removedInfo = new PackageRemovedInfo(); 8274 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8275 args.doPreInstall(res.returnCode); 8276 synchronized (mInstallLock) { 8277 installPackageLI(args, true, res); 8278 } 8279 args.doPostInstall(res.returnCode, res.uid); 8280 } 8281 8282 // A restore should be performed at this point if (a) the install 8283 // succeeded, (b) the operation is not an update, and (c) the new 8284 // package has a backupAgent defined. 8285 final boolean update = res.removedInfo.removedPackage != null; 8286 boolean doRestore = (!update 8287 && res.pkg != null 8288 && res.pkg.applicationInfo.backupAgentName != null); 8289 8290 // Set up the post-install work request bookkeeping. This will be used 8291 // and cleaned up by the post-install event handling regardless of whether 8292 // there's a restore pass performed. Token values are >= 1. 8293 int token; 8294 if (mNextInstallToken < 0) mNextInstallToken = 1; 8295 token = mNextInstallToken++; 8296 8297 PostInstallData data = new PostInstallData(args, res); 8298 mRunningInstalls.put(token, data); 8299 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8300 8301 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8302 // Pass responsibility to the Backup Manager. It will perform a 8303 // restore if appropriate, then pass responsibility back to the 8304 // Package Manager to run the post-install observer callbacks 8305 // and broadcasts. 8306 IBackupManager bm = IBackupManager.Stub.asInterface( 8307 ServiceManager.getService(Context.BACKUP_SERVICE)); 8308 if (bm != null) { 8309 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8310 + " to BM for possible restore"); 8311 try { 8312 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8313 } catch (RemoteException e) { 8314 // can't happen; the backup manager is local 8315 } catch (Exception e) { 8316 Slog.e(TAG, "Exception trying to enqueue restore", e); 8317 doRestore = false; 8318 } 8319 } else { 8320 Slog.e(TAG, "Backup Manager not found!"); 8321 doRestore = false; 8322 } 8323 } 8324 8325 if (!doRestore) { 8326 // No restore possible, or the Backup Manager was mysteriously not 8327 // available -- just fire the post-install work request directly. 8328 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8329 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8330 mHandler.sendMessage(msg); 8331 } 8332 } 8333 }); 8334 } 8335 8336 private abstract class HandlerParams { 8337 private static final int MAX_RETRIES = 4; 8338 8339 /** 8340 * Number of times startCopy() has been attempted and had a non-fatal 8341 * error. 8342 */ 8343 private int mRetries = 0; 8344 8345 /** User handle for the user requesting the information or installation. */ 8346 private final UserHandle mUser; 8347 8348 HandlerParams(UserHandle user) { 8349 mUser = user; 8350 } 8351 8352 UserHandle getUser() { 8353 return mUser; 8354 } 8355 8356 final boolean startCopy() { 8357 boolean res; 8358 try { 8359 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8360 8361 if (++mRetries > MAX_RETRIES) { 8362 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8363 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8364 handleServiceError(); 8365 return false; 8366 } else { 8367 handleStartCopy(); 8368 res = true; 8369 } 8370 } catch (RemoteException e) { 8371 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8372 mHandler.sendEmptyMessage(MCS_RECONNECT); 8373 res = false; 8374 } 8375 handleReturnCode(); 8376 return res; 8377 } 8378 8379 final void serviceError() { 8380 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8381 handleServiceError(); 8382 handleReturnCode(); 8383 } 8384 8385 abstract void handleStartCopy() throws RemoteException; 8386 abstract void handleServiceError(); 8387 abstract void handleReturnCode(); 8388 } 8389 8390 class MeasureParams extends HandlerParams { 8391 private final PackageStats mStats; 8392 private boolean mSuccess; 8393 8394 private final IPackageStatsObserver mObserver; 8395 8396 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8397 super(new UserHandle(stats.userHandle)); 8398 mObserver = observer; 8399 mStats = stats; 8400 } 8401 8402 @Override 8403 public String toString() { 8404 return "MeasureParams{" 8405 + Integer.toHexString(System.identityHashCode(this)) 8406 + " " + mStats.packageName + "}"; 8407 } 8408 8409 @Override 8410 void handleStartCopy() throws RemoteException { 8411 synchronized (mInstallLock) { 8412 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8413 } 8414 8415 if (mSuccess) { 8416 final boolean mounted; 8417 if (Environment.isExternalStorageEmulated()) { 8418 mounted = true; 8419 } else { 8420 final String status = Environment.getExternalStorageState(); 8421 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8422 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8423 } 8424 8425 if (mounted) { 8426 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8427 8428 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8429 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8430 8431 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8432 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8433 8434 // Always subtract cache size, since it's a subdirectory 8435 mStats.externalDataSize -= mStats.externalCacheSize; 8436 8437 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8438 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8439 8440 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8441 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8442 } 8443 } 8444 } 8445 8446 @Override 8447 void handleReturnCode() { 8448 if (mObserver != null) { 8449 try { 8450 mObserver.onGetStatsCompleted(mStats, mSuccess); 8451 } catch (RemoteException e) { 8452 Slog.i(TAG, "Observer no longer exists."); 8453 } 8454 } 8455 } 8456 8457 @Override 8458 void handleServiceError() { 8459 Slog.e(TAG, "Could not measure application " + mStats.packageName 8460 + " external storage"); 8461 } 8462 } 8463 8464 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8465 throws RemoteException { 8466 long result = 0; 8467 for (File path : paths) { 8468 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8469 } 8470 return result; 8471 } 8472 8473 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8474 for (File path : paths) { 8475 try { 8476 mcs.clearDirectory(path.getAbsolutePath()); 8477 } catch (RemoteException e) { 8478 } 8479 } 8480 } 8481 8482 class InstallParams extends HandlerParams { 8483 /** 8484 * Location where install is coming from, before it has been 8485 * copied/renamed into place. This could be a single monolithic APK 8486 * file, or a cluster directory. This location may be untrusted. 8487 */ 8488 final File originFile; 8489 8490 /** 8491 * Flag indicating that {@link #originFile} has already been staged, 8492 * meaning downstream users don't need to defensively copy the contents. 8493 */ 8494 boolean originStaged; 8495 8496 final IPackageInstallObserver2 observer; 8497 int flags; 8498 final String installerPackageName; 8499 final VerificationParams verificationParams; 8500 private InstallArgs mArgs; 8501 private int mRet; 8502 final String packageAbiOverride; 8503 boolean multiArch; 8504 8505 InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 8506 int flags, String installerPackageName, VerificationParams verificationParams, 8507 UserHandle user, String packageAbiOverride) { 8508 super(user); 8509 this.originFile = Preconditions.checkNotNull(originFile); 8510 this.originStaged = originStaged; 8511 this.observer = observer; 8512 this.flags = flags; 8513 this.installerPackageName = installerPackageName; 8514 this.verificationParams = verificationParams; 8515 this.packageAbiOverride = packageAbiOverride; 8516 } 8517 8518 @Override 8519 public String toString() { 8520 return "InstallParams{" 8521 + Integer.toHexString(System.identityHashCode(this)) 8522 + " " + originFile + "}"; 8523 } 8524 8525 public ManifestDigest getManifestDigest() { 8526 if (verificationParams == null) { 8527 return null; 8528 } 8529 return verificationParams.getManifestDigest(); 8530 } 8531 8532 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8533 String packageName = pkgLite.packageName; 8534 int installLocation = pkgLite.installLocation; 8535 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8536 // reader 8537 synchronized (mPackages) { 8538 PackageParser.Package pkg = mPackages.get(packageName); 8539 if (pkg != null) { 8540 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8541 // Check for downgrading. 8542 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8543 if (pkgLite.versionCode < pkg.mVersionCode) { 8544 Slog.w(TAG, "Can't install update of " + packageName 8545 + " update version " + pkgLite.versionCode 8546 + " is older than installed version " 8547 + pkg.mVersionCode); 8548 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8549 } 8550 } 8551 // Check for updated system application. 8552 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8553 if (onSd) { 8554 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8555 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8556 } 8557 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8558 } else { 8559 if (onSd) { 8560 // Install flag overrides everything. 8561 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8562 } 8563 // If current upgrade specifies particular preference 8564 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8565 // Application explicitly specified internal. 8566 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8567 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8568 // App explictly prefers external. Let policy decide 8569 } else { 8570 // Prefer previous location 8571 if (isExternal(pkg)) { 8572 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8573 } 8574 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8575 } 8576 } 8577 } else { 8578 // Invalid install. Return error code 8579 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8580 } 8581 } 8582 } 8583 // All the special cases have been taken care of. 8584 // Return result based on recommended install location. 8585 if (onSd) { 8586 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8587 } 8588 return pkgLite.recommendedInstallLocation; 8589 } 8590 8591 private long getMemoryLowThreshold() { 8592 final DeviceStorageMonitorInternal 8593 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8594 if (dsm == null) { 8595 return 0L; 8596 } 8597 return dsm.getMemoryLowThreshold(); 8598 } 8599 8600 /* 8601 * Invoke remote method to get package information and install 8602 * location values. Override install location based on default 8603 * policy if needed and then create install arguments based 8604 * on the install location. 8605 */ 8606 public void handleStartCopy() throws RemoteException { 8607 int ret = PackageManager.INSTALL_SUCCEEDED; 8608 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8609 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8610 PackageInfoLite pkgLite = null; 8611 8612 if (onInt && onSd) { 8613 // Check if both bits are set. 8614 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8615 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8616 } else { 8617 final long lowThreshold = getMemoryLowThreshold(); 8618 if (lowThreshold == 0L) { 8619 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8620 } 8621 8622 // Remote call to find out default install location 8623 final String originPath = originFile.getAbsolutePath(); 8624 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8625 packageAbiOverride); 8626 // Keep track of whether this package is a multiArch package until 8627 // we perform a full scan of it. We need to do this because we might 8628 // end up extracting the package shared libraries before we perform 8629 // a full scan. 8630 multiArch = pkgLite.multiArch; 8631 8632 /* 8633 * If we have too little free space, try to free cache 8634 * before giving up. 8635 */ 8636 if (pkgLite.recommendedInstallLocation 8637 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8638 final long size = mContainerService.calculateInstalledSize( 8639 originPath, isForwardLocked(), packageAbiOverride); 8640 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8641 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8642 lowThreshold, packageAbiOverride); 8643 } 8644 /* 8645 * The cache free must have deleted the file we 8646 * downloaded to install. 8647 * 8648 * TODO: fix the "freeCache" call to not delete 8649 * the file we care about. 8650 */ 8651 if (pkgLite.recommendedInstallLocation 8652 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8653 pkgLite.recommendedInstallLocation 8654 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8655 } 8656 } 8657 } 8658 8659 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8660 int loc = pkgLite.recommendedInstallLocation; 8661 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8662 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8663 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8664 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8665 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8666 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8667 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8668 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8669 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8670 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8671 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8672 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8673 } else { 8674 // Override with defaults if needed. 8675 loc = installLocationPolicy(pkgLite, flags); 8676 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8677 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8678 } else if (!onSd && !onInt) { 8679 // Override install location with flags 8680 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8681 // Set the flag to install on external media. 8682 flags |= PackageManager.INSTALL_EXTERNAL; 8683 flags &= ~PackageManager.INSTALL_INTERNAL; 8684 } else { 8685 // Make sure the flag for installing on external 8686 // media is unset 8687 flags |= PackageManager.INSTALL_INTERNAL; 8688 flags &= ~PackageManager.INSTALL_EXTERNAL; 8689 } 8690 } 8691 } 8692 } 8693 8694 final InstallArgs args = createInstallArgs(this); 8695 mArgs = args; 8696 8697 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8698 /* 8699 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8700 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8701 */ 8702 int userIdentifier = getUser().getIdentifier(); 8703 if (userIdentifier == UserHandle.USER_ALL 8704 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8705 userIdentifier = UserHandle.USER_OWNER; 8706 } 8707 8708 /* 8709 * Determine if we have any installed package verifiers. If we 8710 * do, then we'll defer to them to verify the packages. 8711 */ 8712 final int requiredUid = mRequiredVerifierPackage == null ? -1 8713 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8714 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8715 // TODO: send verifier the install session instead of uri 8716 final Intent verification = new Intent( 8717 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8718 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8719 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8720 8721 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8722 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8723 0 /* TODO: Which userId? */); 8724 8725 if (DEBUG_VERIFY) { 8726 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8727 + verification.toString() + " with " + pkgLite.verifiers.length 8728 + " optional verifiers"); 8729 } 8730 8731 final int verificationId = mPendingVerificationToken++; 8732 8733 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8734 8735 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8736 installerPackageName); 8737 8738 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8739 8740 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8741 pkgLite.packageName); 8742 8743 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8744 pkgLite.versionCode); 8745 8746 if (verificationParams != null) { 8747 if (verificationParams.getVerificationURI() != null) { 8748 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8749 verificationParams.getVerificationURI()); 8750 } 8751 if (verificationParams.getOriginatingURI() != null) { 8752 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8753 verificationParams.getOriginatingURI()); 8754 } 8755 if (verificationParams.getReferrer() != null) { 8756 verification.putExtra(Intent.EXTRA_REFERRER, 8757 verificationParams.getReferrer()); 8758 } 8759 if (verificationParams.getOriginatingUid() >= 0) { 8760 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8761 verificationParams.getOriginatingUid()); 8762 } 8763 if (verificationParams.getInstallerUid() >= 0) { 8764 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8765 verificationParams.getInstallerUid()); 8766 } 8767 } 8768 8769 final PackageVerificationState verificationState = new PackageVerificationState( 8770 requiredUid, args); 8771 8772 mPendingVerification.append(verificationId, verificationState); 8773 8774 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8775 receivers, verificationState); 8776 8777 /* 8778 * If any sufficient verifiers were listed in the package 8779 * manifest, attempt to ask them. 8780 */ 8781 if (sufficientVerifiers != null) { 8782 final int N = sufficientVerifiers.size(); 8783 if (N == 0) { 8784 Slog.i(TAG, "Additional verifiers required, but none installed."); 8785 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8786 } else { 8787 for (int i = 0; i < N; i++) { 8788 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8789 8790 final Intent sufficientIntent = new Intent(verification); 8791 sufficientIntent.setComponent(verifierComponent); 8792 8793 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8794 } 8795 } 8796 } 8797 8798 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8799 mRequiredVerifierPackage, receivers); 8800 if (ret == PackageManager.INSTALL_SUCCEEDED 8801 && mRequiredVerifierPackage != null) { 8802 /* 8803 * Send the intent to the required verification agent, 8804 * but only start the verification timeout after the 8805 * target BroadcastReceivers have run. 8806 */ 8807 verification.setComponent(requiredVerifierComponent); 8808 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8809 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8810 new BroadcastReceiver() { 8811 @Override 8812 public void onReceive(Context context, Intent intent) { 8813 final Message msg = mHandler 8814 .obtainMessage(CHECK_PENDING_VERIFICATION); 8815 msg.arg1 = verificationId; 8816 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8817 } 8818 }, null, 0, null, null); 8819 8820 /* 8821 * We don't want the copy to proceed until verification 8822 * succeeds, so null out this field. 8823 */ 8824 mArgs = null; 8825 } 8826 } else { 8827 /* 8828 * No package verification is enabled, so immediately start 8829 * the remote call to initiate copy using temporary file. 8830 */ 8831 ret = args.copyApk(mContainerService, true); 8832 } 8833 } 8834 8835 mRet = ret; 8836 } 8837 8838 @Override 8839 void handleReturnCode() { 8840 // If mArgs is null, then MCS couldn't be reached. When it 8841 // reconnects, it will try again to install. At that point, this 8842 // will succeed. 8843 if (mArgs != null) { 8844 processPendingInstall(mArgs, mRet); 8845 } 8846 } 8847 8848 @Override 8849 void handleServiceError() { 8850 mArgs = createInstallArgs(this); 8851 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8852 } 8853 8854 public boolean isForwardLocked() { 8855 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8856 } 8857 } 8858 8859 /* 8860 * Utility class used in movePackage api. 8861 * srcArgs and targetArgs are not set for invalid flags and make 8862 * sure to do null checks when invoking methods on them. 8863 * We probably want to return ErrorPrams for both failed installs 8864 * and moves. 8865 */ 8866 class MoveParams extends HandlerParams { 8867 final IPackageMoveObserver observer; 8868 final int flags; 8869 final String packageName; 8870 final InstallArgs srcArgs; 8871 final InstallArgs targetArgs; 8872 int uid; 8873 int mRet; 8874 8875 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8876 String packageName, String[] instructionSets, int uid, UserHandle user, 8877 boolean isMultiArch) { 8878 super(user); 8879 this.srcArgs = srcArgs; 8880 this.observer = observer; 8881 this.flags = flags; 8882 this.packageName = packageName; 8883 this.uid = uid; 8884 if (srcArgs != null) { 8885 final String codePath = srcArgs.getCodePath(); 8886 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8887 instructionSets, isMultiArch); 8888 } else { 8889 targetArgs = null; 8890 } 8891 } 8892 8893 @Override 8894 public String toString() { 8895 return "MoveParams{" 8896 + Integer.toHexString(System.identityHashCode(this)) 8897 + " " + packageName + "}"; 8898 } 8899 8900 public void handleStartCopy() throws RemoteException { 8901 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8902 // Check for storage space on target medium 8903 if (!targetArgs.checkFreeStorage(mContainerService)) { 8904 Log.w(TAG, "Insufficient storage to install"); 8905 return; 8906 } 8907 8908 mRet = srcArgs.doPreCopy(); 8909 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8910 return; 8911 } 8912 8913 mRet = targetArgs.copyApk(mContainerService, false); 8914 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8915 srcArgs.doPostCopy(uid); 8916 return; 8917 } 8918 8919 mRet = srcArgs.doPostCopy(uid); 8920 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8921 return; 8922 } 8923 8924 mRet = targetArgs.doPreInstall(mRet); 8925 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8926 return; 8927 } 8928 8929 if (DEBUG_SD_INSTALL) { 8930 StringBuilder builder = new StringBuilder(); 8931 if (srcArgs != null) { 8932 builder.append("src: "); 8933 builder.append(srcArgs.getCodePath()); 8934 } 8935 if (targetArgs != null) { 8936 builder.append(" target : "); 8937 builder.append(targetArgs.getCodePath()); 8938 } 8939 Log.i(TAG, builder.toString()); 8940 } 8941 } 8942 8943 @Override 8944 void handleReturnCode() { 8945 targetArgs.doPostInstall(mRet, uid); 8946 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8947 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8948 currentStatus = PackageManager.MOVE_SUCCEEDED; 8949 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8950 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8951 } 8952 processPendingMove(this, currentStatus); 8953 } 8954 8955 @Override 8956 void handleServiceError() { 8957 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8958 } 8959 } 8960 8961 /** 8962 * Used during creation of InstallArgs 8963 * 8964 * @param flags package installation flags 8965 * @return true if should be installed on external storage 8966 */ 8967 private static boolean installOnSd(int flags) { 8968 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8969 return false; 8970 } 8971 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8972 return true; 8973 } 8974 return false; 8975 } 8976 8977 /** 8978 * Used during creation of InstallArgs 8979 * 8980 * @param flags package installation flags 8981 * @return true if should be installed as forward locked 8982 */ 8983 private static boolean installForwardLocked(int flags) { 8984 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8985 } 8986 8987 private InstallArgs createInstallArgs(InstallParams params) { 8988 // TODO: extend to support incoming zero-copy locations 8989 8990 if (installOnSd(params.flags) || params.isForwardLocked()) { 8991 return new AsecInstallArgs(params); 8992 } else { 8993 return new FileInstallArgs(params); 8994 } 8995 } 8996 8997 /** 8998 * Create args that describe an existing installed package. Typically used 8999 * when cleaning up old installs, or used as a move source. 9000 */ 9001 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 9002 String resourcePath, String nativeLibraryRoot, String[] instructionSets, 9003 boolean isMultiArch) { 9004 final boolean isInAsec; 9005 if (installOnSd(flags)) { 9006 /* Apps on SD card are always in ASEC containers. */ 9007 isInAsec = true; 9008 } else if (installForwardLocked(flags) 9009 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9010 /* 9011 * Forward-locked apps are only in ASEC containers if they're the 9012 * new style 9013 */ 9014 isInAsec = true; 9015 } else { 9016 isInAsec = false; 9017 } 9018 9019 if (isInAsec) { 9020 return new AsecInstallArgs(codePath, instructionSets, 9021 installOnSd(flags), installForwardLocked(flags), isMultiArch); 9022 } else { 9023 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9024 instructionSets, isMultiArch); 9025 } 9026 } 9027 9028 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 9029 String[] instructionSets, boolean isMultiArch) { 9030 final File codeFile = new File(codePath); 9031 if (installOnSd(flags) || installForwardLocked(flags)) { 9032 String cid = getNextCodePath(codePath, pkgName, "/" 9033 + AsecInstallArgs.RES_FILE_NAME); 9034 return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags), 9035 installForwardLocked(flags), isMultiArch); 9036 } else { 9037 return new FileInstallArgs(codeFile, instructionSets, isMultiArch); 9038 } 9039 } 9040 9041 static abstract class InstallArgs { 9042 /** @see InstallParams#originFile */ 9043 final File originFile; 9044 /** @see InstallParams#originStaged */ 9045 final boolean originStaged; 9046 9047 // TODO: define inherit location 9048 9049 final IPackageInstallObserver2 observer; 9050 // Always refers to PackageManager flags only 9051 final int flags; 9052 final String installerPackageName; 9053 final ManifestDigest manifestDigest; 9054 final UserHandle user; 9055 final String abiOverride; 9056 final boolean multiArch; 9057 9058 // The list of instruction sets supported by this app. This is currently 9059 // only used during the rmdex() phase to clean up resources. We can get rid of this 9060 // if we move dex files under the common app path. 9061 /* nullable */ String[] instructionSets; 9062 9063 InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 9064 int flags, String installerPackageName, ManifestDigest manifestDigest, 9065 UserHandle user, String[] instructionSets, 9066 String abiOverride, boolean multiArch) { 9067 this.originFile = originFile; 9068 this.originStaged = originStaged; 9069 this.flags = flags; 9070 this.observer = observer; 9071 this.installerPackageName = installerPackageName; 9072 this.manifestDigest = manifestDigest; 9073 this.user = user; 9074 this.instructionSets = instructionSets; 9075 this.abiOverride = abiOverride; 9076 this.multiArch = multiArch; 9077 } 9078 9079 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9080 abstract int doPreInstall(int status); 9081 9082 /** 9083 * Rename package into final resting place. All paths on the given 9084 * scanned package should be updated to reflect the rename. 9085 */ 9086 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9087 abstract int doPostInstall(int status, int uid); 9088 9089 /** @see PackageSettingBase#codePathString */ 9090 abstract String getCodePath(); 9091 /** @see PackageSettingBase#resourcePathString */ 9092 abstract String getResourcePath(); 9093 abstract String getLegacyNativeLibraryPath(); 9094 9095 // Need installer lock especially for dex file removal. 9096 abstract void cleanUpResourcesLI(); 9097 abstract boolean doPostDeleteLI(boolean delete); 9098 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9099 9100 /** 9101 * Called before the source arguments are copied. This is used mostly 9102 * for MoveParams when it needs to read the source file to put it in the 9103 * destination. 9104 */ 9105 int doPreCopy() { 9106 return PackageManager.INSTALL_SUCCEEDED; 9107 } 9108 9109 /** 9110 * Called after the source arguments are copied. This is used mostly for 9111 * MoveParams when it needs to read the source file to put it in the 9112 * destination. 9113 * 9114 * @return 9115 */ 9116 int doPostCopy(int uid) { 9117 return PackageManager.INSTALL_SUCCEEDED; 9118 } 9119 9120 protected boolean isFwdLocked() { 9121 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9122 } 9123 9124 UserHandle getUser() { 9125 return user; 9126 } 9127 } 9128 9129 /** 9130 * Logic to handle installation of non-ASEC applications, including copying 9131 * and renaming logic. 9132 */ 9133 class FileInstallArgs extends InstallArgs { 9134 private File codeFile; 9135 private File resourceFile; 9136 private File legacyNativeLibraryPath; 9137 9138 // Example topology: 9139 // /data/app/com.example/base.apk 9140 // /data/app/com.example/split_foo.apk 9141 // /data/app/com.example/lib/arm/libfoo.so 9142 // /data/app/com.example/lib/arm64/libfoo.so 9143 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9144 9145 /** New install */ 9146 FileInstallArgs(InstallParams params) { 9147 super(params.originFile, params.originStaged, params.observer, params.flags, 9148 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9149 null /* instruction sets */, params.packageAbiOverride, 9150 params.multiArch); 9151 if (isFwdLocked()) { 9152 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9153 } 9154 } 9155 9156 /** Existing install */ 9157 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9158 String[] instructionSets, boolean isMultiArch) { 9159 super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch); 9160 this.codeFile = (codePath != null) ? new File(codePath) : null; 9161 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9162 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9163 new File(legacyNativeLibraryPath) : null; 9164 } 9165 9166 /** New install from existing */ 9167 FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) { 9168 super(originFile, false, null, 0, null, null, null, instructionSets, null, 9169 isMultiArch); 9170 } 9171 9172 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9173 final long lowThreshold; 9174 9175 final DeviceStorageMonitorInternal 9176 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9177 if (dsm == null) { 9178 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9179 lowThreshold = 0L; 9180 } else { 9181 if (dsm.isMemoryLow()) { 9182 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9183 return false; 9184 } 9185 9186 lowThreshold = dsm.getMemoryLowThreshold(); 9187 } 9188 9189 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9190 lowThreshold); 9191 } 9192 9193 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9194 int ret = PackageManager.INSTALL_SUCCEEDED; 9195 9196 if (originStaged) { 9197 Slog.d(TAG, originFile + " already staged; skipping copy"); 9198 codeFile = originFile; 9199 resourceFile = originFile; 9200 } else { 9201 try { 9202 final File tempDir = mInstallerService.allocateSessionDir(); 9203 codeFile = tempDir; 9204 resourceFile = tempDir; 9205 } catch (IOException e) { 9206 Slog.w(TAG, "Failed to create copy file: " + e); 9207 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9208 } 9209 9210 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9211 @Override 9212 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9213 if (!FileUtils.isValidExtFilename(name)) { 9214 throw new IllegalArgumentException("Invalid filename: " + name); 9215 } 9216 try { 9217 final File file = new File(codeFile, name); 9218 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9219 O_RDWR | O_CREAT, 0644); 9220 Os.chmod(file.getAbsolutePath(), 0644); 9221 return new ParcelFileDescriptor(fd); 9222 } catch (ErrnoException e) { 9223 throw new RemoteException("Failed to open: " + e.getMessage()); 9224 } 9225 } 9226 }; 9227 9228 ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9229 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9230 Slog.e(TAG, "Failed to copy package"); 9231 return ret; 9232 } 9233 } 9234 9235 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9236 NativeLibraryHelper.Handle handle = null; 9237 try { 9238 handle = NativeLibraryHelper.Handle.create(codeFile); 9239 if (multiArch) { 9240 // Warn if we've set an abiOverride for multi-lib packages.. 9241 // By definition, we need to copy both 32 and 64 bit libraries for 9242 // such packages. 9243 if (abiOverride != null) { 9244 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9245 } 9246 9247 int copyRet = PackageManager.NO_NATIVE_LIBRARIES; 9248 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9249 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9250 Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */); 9251 maybeThrowExceptionForMultiArchCopy("Failure copying 32 bit native libraries", copyRet); 9252 } 9253 9254 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9255 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9256 Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */); 9257 maybeThrowExceptionForMultiArchCopy("Failure copying 64 bit native libraries", copyRet); 9258 } 9259 } else { 9260 String[] abiList = (abiOverride != null) ? 9261 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9262 9263 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 9264 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9265 abiList = Build.SUPPORTED_32_BIT_ABIS; 9266 } 9267 9268 int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList, 9269 true /* use isa specific subdirs */); 9270 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9271 Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]"); 9272 return copyRet; 9273 } 9274 } 9275 } catch (IOException e) { 9276 Slog.e(TAG, "Copying native libraries failed", e); 9277 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9278 } catch (PackageManagerException pme) { 9279 Slog.e(TAG, "Copying native libraries failed", pme); 9280 ret = pme.error; 9281 } finally { 9282 IoUtils.closeQuietly(handle); 9283 } 9284 9285 return ret; 9286 } 9287 9288 int doPreInstall(int status) { 9289 if (status != PackageManager.INSTALL_SUCCEEDED) { 9290 cleanUp(); 9291 } 9292 return status; 9293 } 9294 9295 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9296 if (status != PackageManager.INSTALL_SUCCEEDED) { 9297 cleanUp(); 9298 return false; 9299 } else { 9300 final File beforeCodeFile = codeFile; 9301 final File afterCodeFile = getNextCodePath(pkg.packageName); 9302 9303 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9304 try { 9305 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9306 } catch (ErrnoException e) { 9307 Slog.d(TAG, "Failed to rename", e); 9308 return false; 9309 } 9310 9311 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9312 Slog.d(TAG, "Failed to restorecon"); 9313 return false; 9314 } 9315 9316 // Reflect the rename internally 9317 codeFile = afterCodeFile; 9318 resourceFile = afterCodeFile; 9319 9320 // Reflect the rename in scanned details 9321 pkg.codePath = afterCodeFile.getAbsolutePath(); 9322 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9323 pkg.baseCodePath); 9324 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9325 pkg.splitCodePaths); 9326 9327 // Reflect the rename in app info 9328 pkg.applicationInfo.setCodePath(pkg.codePath); 9329 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9330 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9331 pkg.applicationInfo.setResourcePath(pkg.codePath); 9332 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9333 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9334 9335 return true; 9336 } 9337 } 9338 9339 int doPostInstall(int status, int uid) { 9340 if (status != PackageManager.INSTALL_SUCCEEDED) { 9341 cleanUp(); 9342 } 9343 return status; 9344 } 9345 9346 @Override 9347 String getCodePath() { 9348 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9349 } 9350 9351 @Override 9352 String getResourcePath() { 9353 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9354 } 9355 9356 @Override 9357 String getLegacyNativeLibraryPath() { 9358 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9359 } 9360 9361 private boolean cleanUp() { 9362 if (codeFile == null || !codeFile.exists()) { 9363 return false; 9364 } 9365 9366 if (codeFile.isDirectory()) { 9367 FileUtils.deleteContents(codeFile); 9368 } 9369 codeFile.delete(); 9370 9371 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9372 resourceFile.delete(); 9373 } 9374 9375 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9376 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9377 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9378 } 9379 legacyNativeLibraryPath.delete(); 9380 } 9381 9382 return true; 9383 } 9384 9385 void cleanUpResourcesLI() { 9386 // Try enumerating all code paths before deleting 9387 List<String> allCodePaths = Collections.EMPTY_LIST; 9388 if (codeFile != null && codeFile.exists()) { 9389 try { 9390 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9391 allCodePaths = pkg.getAllCodePaths(); 9392 } catch (PackageParserException e) { 9393 // Ignored; we tried our best 9394 } 9395 } 9396 9397 cleanUp(); 9398 9399 if (!allCodePaths.isEmpty()) { 9400 if (instructionSets == null) { 9401 throw new IllegalStateException("instructionSet == null"); 9402 } 9403 9404 for (String codePath : allCodePaths) { 9405 for (String instructionSet : instructionSets) { 9406 int retCode = mInstaller.rmdex(codePath, instructionSet); 9407 if (retCode < 0) { 9408 Slog.w(TAG, "Couldn't remove dex file for package: " 9409 + " at location " + codePath + ", retcode=" + retCode); 9410 // we don't consider this to be a failure of the core package deletion 9411 } 9412 } 9413 } 9414 } 9415 } 9416 9417 boolean doPostDeleteLI(boolean delete) { 9418 // XXX err, shouldn't we respect the delete flag? 9419 cleanUpResourcesLI(); 9420 return true; 9421 } 9422 } 9423 9424 private boolean isAsecExternal(String cid) { 9425 final String asecPath = PackageHelper.getSdFilesystem(cid); 9426 return !asecPath.startsWith(mAsecInternalPath); 9427 } 9428 9429 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9430 PackageManagerException { 9431 if (copyRet < 0) { 9432 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9433 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9434 throw new PackageManagerException(copyRet, message); 9435 } 9436 } 9437 } 9438 9439 /** 9440 * Extract the MountService "container ID" from the full code path of an 9441 * .apk. 9442 */ 9443 static String cidFromCodePath(String fullCodePath) { 9444 int eidx = fullCodePath.lastIndexOf("/"); 9445 String subStr1 = fullCodePath.substring(0, eidx); 9446 int sidx = subStr1.lastIndexOf("/"); 9447 return subStr1.substring(sidx+1, eidx); 9448 } 9449 9450 /** 9451 * Logic to handle installation of ASEC applications, including copying and 9452 * renaming logic. 9453 */ 9454 class AsecInstallArgs extends InstallArgs { 9455 // TODO: teach about handling cluster directories 9456 9457 static final String RES_FILE_NAME = "pkg.apk"; 9458 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9459 9460 String cid; 9461 String packagePath; 9462 String resourcePath; 9463 String legacyNativeLibraryDir; 9464 9465 /** New install */ 9466 AsecInstallArgs(InstallParams params) { 9467 super(params.originFile, params.originStaged, params.observer, params.flags, 9468 params.installerPackageName, params.getManifestDigest(), 9469 params.getUser(), null /* instruction sets */, 9470 params.packageAbiOverride, params.multiArch); 9471 } 9472 9473 /** Existing install */ 9474 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9475 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9476 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9477 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9478 instructionSets, null, isMultiArch); 9479 // Extract cid from fullCodePath 9480 int eidx = fullCodePath.lastIndexOf("/"); 9481 String subStr1 = fullCodePath.substring(0, eidx); 9482 int sidx = subStr1.lastIndexOf("/"); 9483 cid = subStr1.substring(sidx+1, eidx); 9484 setCachePath(subStr1); 9485 } 9486 9487 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked, 9488 boolean isMultiArch) { 9489 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9490 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9491 instructionSets, null, isMultiArch); 9492 this.cid = cid; 9493 setCachePath(PackageHelper.getSdDir(cid)); 9494 } 9495 9496 /** New install from existing */ 9497 AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets, 9498 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9499 super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9500 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9501 instructionSets, null, isMultiArch); 9502 this.cid = cid; 9503 } 9504 9505 void createCopyFile() { 9506 cid = getTempContainerId(); 9507 } 9508 9509 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9510 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9511 abiOverride); 9512 } 9513 9514 private final boolean isExternal() { 9515 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9516 } 9517 9518 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9519 if (temp) { 9520 createCopyFile(); 9521 } else { 9522 /* 9523 * Pre-emptively destroy the container since it's destroyed if 9524 * copying fails due to it existing anyway. 9525 */ 9526 PackageHelper.destroySdDir(cid); 9527 } 9528 9529 final String newCachePath = imcs.copyPackageToContainer( 9530 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9531 isFwdLocked(), abiOverride); 9532 9533 if (newCachePath != null) { 9534 setCachePath(newCachePath); 9535 return PackageManager.INSTALL_SUCCEEDED; 9536 } else { 9537 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9538 } 9539 } 9540 9541 @Override 9542 String getCodePath() { 9543 return packagePath; 9544 } 9545 9546 @Override 9547 String getResourcePath() { 9548 return resourcePath; 9549 } 9550 9551 @Override 9552 String getLegacyNativeLibraryPath() { 9553 return legacyNativeLibraryDir; 9554 } 9555 9556 int doPreInstall(int status) { 9557 if (status != PackageManager.INSTALL_SUCCEEDED) { 9558 // Destroy container 9559 PackageHelper.destroySdDir(cid); 9560 } else { 9561 boolean mounted = PackageHelper.isContainerMounted(cid); 9562 if (!mounted) { 9563 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9564 Process.SYSTEM_UID); 9565 if (newCachePath != null) { 9566 setCachePath(newCachePath); 9567 } else { 9568 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9569 } 9570 } 9571 } 9572 return status; 9573 } 9574 9575 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9576 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9577 String newCachePath = null; 9578 if (PackageHelper.isContainerMounted(cid)) { 9579 // Unmount the container 9580 if (!PackageHelper.unMountSdDir(cid)) { 9581 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9582 return false; 9583 } 9584 } 9585 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9586 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9587 " which might be stale. Will try to clean up."); 9588 // Clean up the stale container and proceed to recreate. 9589 if (!PackageHelper.destroySdDir(newCacheId)) { 9590 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9591 return false; 9592 } 9593 // Successfully cleaned up stale container. Try to rename again. 9594 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9595 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9596 + " inspite of cleaning it up."); 9597 return false; 9598 } 9599 } 9600 if (!PackageHelper.isContainerMounted(newCacheId)) { 9601 Slog.w(TAG, "Mounting container " + newCacheId); 9602 newCachePath = PackageHelper.mountSdDir(newCacheId, 9603 getEncryptKey(), Process.SYSTEM_UID); 9604 } else { 9605 newCachePath = PackageHelper.getSdDir(newCacheId); 9606 } 9607 if (newCachePath == null) { 9608 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9609 return false; 9610 } 9611 Log.i(TAG, "Succesfully renamed " + cid + 9612 " to " + newCacheId + 9613 " at new path: " + newCachePath); 9614 cid = newCacheId; 9615 setCachePath(newCachePath); 9616 9617 // TODO: extend to support split APKs 9618 pkg.codePath = getCodePath(); 9619 pkg.baseCodePath = getCodePath(); 9620 pkg.splitCodePaths = null; 9621 9622 pkg.applicationInfo.setCodePath(getCodePath()); 9623 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9624 pkg.applicationInfo.setSplitCodePaths(null); 9625 pkg.applicationInfo.setResourcePath(getResourcePath()); 9626 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9627 pkg.applicationInfo.setSplitResourcePaths(null); 9628 9629 return true; 9630 } 9631 9632 private void setCachePath(String newCachePath) { 9633 File cachePath = new File(newCachePath); 9634 legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath(); 9635 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9636 9637 if (isFwdLocked()) { 9638 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9639 } else { 9640 resourcePath = packagePath; 9641 } 9642 } 9643 9644 int doPostInstall(int status, int uid) { 9645 if (status != PackageManager.INSTALL_SUCCEEDED) { 9646 cleanUp(); 9647 } else { 9648 final int groupOwner; 9649 final String protectedFile; 9650 if (isFwdLocked()) { 9651 groupOwner = UserHandle.getSharedAppGid(uid); 9652 protectedFile = RES_FILE_NAME; 9653 } else { 9654 groupOwner = -1; 9655 protectedFile = null; 9656 } 9657 9658 if (uid < Process.FIRST_APPLICATION_UID 9659 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9660 Slog.e(TAG, "Failed to finalize " + cid); 9661 PackageHelper.destroySdDir(cid); 9662 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9663 } 9664 9665 boolean mounted = PackageHelper.isContainerMounted(cid); 9666 if (!mounted) { 9667 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9668 } 9669 } 9670 return status; 9671 } 9672 9673 private void cleanUp() { 9674 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9675 9676 // Destroy secure container 9677 PackageHelper.destroySdDir(cid); 9678 } 9679 9680 void cleanUpResourcesLI() { 9681 String sourceFile = getCodePath(); 9682 // Remove dex file 9683 if (instructionSets == null) { 9684 throw new IllegalStateException("instructionSet == null"); 9685 } 9686 for (String instructionSet : instructionSets) { 9687 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9688 if (retCode < 0) { 9689 Slog.w(TAG, "Couldn't remove dex file for package: " 9690 + " at location " 9691 + sourceFile.toString() + ", retcode=" + retCode); 9692 // we don't consider this to be a failure of the core package deletion 9693 } 9694 } 9695 cleanUp(); 9696 } 9697 9698 boolean matchContainer(String app) { 9699 if (cid.startsWith(app)) { 9700 return true; 9701 } 9702 return false; 9703 } 9704 9705 String getPackageName() { 9706 return getAsecPackageName(cid); 9707 } 9708 9709 boolean doPostDeleteLI(boolean delete) { 9710 boolean ret = false; 9711 boolean mounted = PackageHelper.isContainerMounted(cid); 9712 if (mounted) { 9713 // Unmount first 9714 ret = PackageHelper.unMountSdDir(cid); 9715 } 9716 if (ret && delete) { 9717 cleanUpResourcesLI(); 9718 } 9719 return ret; 9720 } 9721 9722 @Override 9723 int doPreCopy() { 9724 if (isFwdLocked()) { 9725 if (!PackageHelper.fixSdPermissions(cid, 9726 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9727 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9728 } 9729 } 9730 9731 return PackageManager.INSTALL_SUCCEEDED; 9732 } 9733 9734 @Override 9735 int doPostCopy(int uid) { 9736 if (isFwdLocked()) { 9737 if (uid < Process.FIRST_APPLICATION_UID 9738 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9739 RES_FILE_NAME)) { 9740 Slog.e(TAG, "Failed to finalize " + cid); 9741 PackageHelper.destroySdDir(cid); 9742 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9743 } 9744 } 9745 9746 return PackageManager.INSTALL_SUCCEEDED; 9747 } 9748 } 9749 9750 static String getAsecPackageName(String packageCid) { 9751 int idx = packageCid.lastIndexOf("-"); 9752 if (idx == -1) { 9753 return packageCid; 9754 } 9755 return packageCid.substring(0, idx); 9756 } 9757 9758 // Utility method used to create code paths based on package name and available index. 9759 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9760 String idxStr = ""; 9761 int idx = 1; 9762 // Fall back to default value of idx=1 if prefix is not 9763 // part of oldCodePath 9764 if (oldCodePath != null) { 9765 String subStr = oldCodePath; 9766 // Drop the suffix right away 9767 if (suffix != null && subStr.endsWith(suffix)) { 9768 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9769 } 9770 // If oldCodePath already contains prefix find out the 9771 // ending index to either increment or decrement. 9772 int sidx = subStr.lastIndexOf(prefix); 9773 if (sidx != -1) { 9774 subStr = subStr.substring(sidx + prefix.length()); 9775 if (subStr != null) { 9776 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9777 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9778 } 9779 try { 9780 idx = Integer.parseInt(subStr); 9781 if (idx <= 1) { 9782 idx++; 9783 } else { 9784 idx--; 9785 } 9786 } catch(NumberFormatException e) { 9787 } 9788 } 9789 } 9790 } 9791 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9792 return prefix + idxStr; 9793 } 9794 9795 private File getNextCodePath(String packageName) { 9796 int suffix = 1; 9797 File result; 9798 do { 9799 result = new File(mAppInstallDir, packageName + "-" + suffix); 9800 suffix++; 9801 } while (result.exists()); 9802 return result; 9803 } 9804 9805 // Utility method used to ignore ADD/REMOVE events 9806 // by directory observer. 9807 private static boolean ignoreCodePath(String fullPathStr) { 9808 String apkName = deriveCodePathName(fullPathStr); 9809 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9810 if (idx != -1 && ((idx+1) < apkName.length())) { 9811 // Make sure the package ends with a numeral 9812 String version = apkName.substring(idx+1); 9813 try { 9814 Integer.parseInt(version); 9815 return true; 9816 } catch (NumberFormatException e) {} 9817 } 9818 return false; 9819 } 9820 9821 // Utility method that returns the relative package path with respect 9822 // to the installation directory. Like say for /data/data/com.test-1.apk 9823 // string com.test-1 is returned. 9824 static String deriveCodePathName(String codePath) { 9825 if (codePath == null) { 9826 return null; 9827 } 9828 final File codeFile = new File(codePath); 9829 final String name = codeFile.getName(); 9830 if (codeFile.isDirectory()) { 9831 return name; 9832 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9833 final int lastDot = name.lastIndexOf('.'); 9834 return name.substring(0, lastDot); 9835 } else { 9836 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9837 return null; 9838 } 9839 } 9840 9841 class PackageInstalledInfo { 9842 String name; 9843 int uid; 9844 // The set of users that originally had this package installed. 9845 int[] origUsers; 9846 // The set of users that now have this package installed. 9847 int[] newUsers; 9848 PackageParser.Package pkg; 9849 int returnCode; 9850 String returnMsg; 9851 PackageRemovedInfo removedInfo; 9852 9853 public void setError(int code, String msg) { 9854 returnCode = code; 9855 returnMsg = msg; 9856 Slog.w(TAG, msg); 9857 } 9858 9859 public void setError(String msg, PackageParserException e) { 9860 returnCode = e.error; 9861 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9862 Slog.w(TAG, msg, e); 9863 } 9864 9865 public void setError(String msg, PackageManagerException e) { 9866 returnCode = e.error; 9867 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9868 Slog.w(TAG, msg, e); 9869 } 9870 9871 // In some error cases we want to convey more info back to the observer 9872 String origPackage; 9873 String origPermission; 9874 } 9875 9876 /* 9877 * Install a non-existing package. 9878 */ 9879 private void installNewPackageLI(PackageParser.Package pkg, 9880 int parseFlags, int scanMode, UserHandle user, 9881 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9882 // Remember this for later, in case we need to rollback this install 9883 String pkgName = pkg.packageName; 9884 9885 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9886 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9887 synchronized(mPackages) { 9888 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9889 // A package with the same name is already installed, though 9890 // it has been renamed to an older name. The package we 9891 // are trying to install should be installed as an update to 9892 // the existing one, but that has not been requested, so bail. 9893 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9894 + " without first uninstalling package running as " 9895 + mSettings.mRenamedPackages.get(pkgName)); 9896 return; 9897 } 9898 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9899 // Don't allow installation over an existing package with the same name. 9900 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9901 + " without first uninstalling."); 9902 return; 9903 } 9904 } 9905 9906 try { 9907 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9908 System.currentTimeMillis(), user, abiOverride); 9909 9910 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9911 // delete the partially installed application. the data directory will have to be 9912 // restored if it was already existing 9913 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9914 // remove package from internal structures. Note that we want deletePackageX to 9915 // delete the package data and cache directories that it created in 9916 // scanPackageLocked, unless those directories existed before we even tried to 9917 // install. 9918 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9919 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9920 res.removedInfo, true); 9921 } 9922 9923 } catch (PackageManagerException e) { 9924 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9925 } 9926 } 9927 9928 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9929 // Upgrade keysets are being used. Determine if new package has a superset of the 9930 // required keys. 9931 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9932 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9933 for (int i = 0; i < upgradeKeySets.length; i++) { 9934 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9935 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9936 return true; 9937 } 9938 } 9939 return false; 9940 } 9941 9942 private void replacePackageLI(PackageParser.Package pkg, 9943 int parseFlags, int scanMode, UserHandle user, 9944 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9945 PackageParser.Package oldPackage; 9946 String pkgName = pkg.packageName; 9947 int[] allUsers; 9948 boolean[] perUserInstalled; 9949 9950 // First find the old package info and check signatures 9951 synchronized(mPackages) { 9952 oldPackage = mPackages.get(pkgName); 9953 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9954 PackageSetting ps = mSettings.mPackages.get(pkgName); 9955 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9956 // default to original signature matching 9957 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9958 != PackageManager.SIGNATURE_MATCH) { 9959 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9960 "New package has a different signature: " + pkgName); 9961 return; 9962 } 9963 } else { 9964 if(!checkUpgradeKeySetLP(ps, pkg)) { 9965 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9966 "New package not signed by keys specified by upgrade-keysets: " 9967 + pkgName); 9968 return; 9969 } 9970 } 9971 9972 // In case of rollback, remember per-user/profile install state 9973 allUsers = sUserManager.getUserIds(); 9974 perUserInstalled = new boolean[allUsers.length]; 9975 for (int i = 0; i < allUsers.length; i++) { 9976 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9977 } 9978 } 9979 boolean sysPkg = (isSystemApp(oldPackage)); 9980 if (sysPkg) { 9981 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9982 user, allUsers, perUserInstalled, installerPackageName, res, 9983 abiOverride); 9984 } else { 9985 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9986 user, allUsers, perUserInstalled, installerPackageName, res, 9987 abiOverride); 9988 } 9989 } 9990 9991 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9992 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9993 int[] allUsers, boolean[] perUserInstalled, 9994 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9995 String pkgName = deletedPackage.packageName; 9996 boolean deletedPkg = true; 9997 boolean updatedSettings = false; 9998 9999 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10000 + deletedPackage); 10001 long origUpdateTime; 10002 if (pkg.mExtras != null) { 10003 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10004 } else { 10005 origUpdateTime = 0; 10006 } 10007 10008 // First delete the existing package while retaining the data directory 10009 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10010 res.removedInfo, true)) { 10011 // If the existing package wasn't successfully deleted 10012 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10013 deletedPkg = false; 10014 } else { 10015 // Successfully deleted the old package. Now proceed with re-installation 10016 try { 10017 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10018 scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis(), user, abiOverride); 10019 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10020 updatedSettings = true; 10021 } catch (PackageManagerException e) { 10022 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10023 } 10024 } 10025 10026 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10027 // remove package from internal structures. Note that we want deletePackageX to 10028 // delete the package data and cache directories that it created in 10029 // scanPackageLocked, unless those directories existed before we even tried to 10030 // install. 10031 if(updatedSettings) { 10032 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10033 deletePackageLI( 10034 pkgName, null, true, allUsers, perUserInstalled, 10035 PackageManager.DELETE_KEEP_DATA, 10036 res.removedInfo, true); 10037 } 10038 // Since we failed to install the new package we need to restore the old 10039 // package that we deleted. 10040 if (deletedPkg) { 10041 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10042 File restoreFile = new File(deletedPackage.codePath); 10043 // Parse old package 10044 boolean oldOnSd = isExternal(deletedPackage); 10045 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10046 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10047 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10048 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10049 | SCAN_UPDATE_TIME; 10050 try { 10051 scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime, null, 10052 null); 10053 } catch (PackageManagerException e) { 10054 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10055 + e.getMessage()); 10056 return; 10057 } 10058 // Restore of old package succeeded. Update permissions. 10059 // writer 10060 synchronized (mPackages) { 10061 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10062 UPDATE_PERMISSIONS_ALL); 10063 // can downgrade to reader 10064 mSettings.writeLPr(); 10065 } 10066 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10067 } 10068 } 10069 } 10070 10071 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10072 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10073 int[] allUsers, boolean[] perUserInstalled, 10074 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10075 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10076 + ", old=" + deletedPackage); 10077 boolean updatedSettings = false; 10078 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10079 PackageParser.PARSE_IS_SYSTEM; 10080 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10081 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10082 } 10083 String packageName = deletedPackage.packageName; 10084 if (packageName == null) { 10085 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10086 "Attempt to delete null packageName."); 10087 return; 10088 } 10089 PackageParser.Package oldPkg; 10090 PackageSetting oldPkgSetting; 10091 // reader 10092 synchronized (mPackages) { 10093 oldPkg = mPackages.get(packageName); 10094 oldPkgSetting = mSettings.mPackages.get(packageName); 10095 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10096 (oldPkgSetting == null)) { 10097 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10098 "Couldn't find package:" + packageName + " information"); 10099 return; 10100 } 10101 } 10102 10103 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10104 10105 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10106 res.removedInfo.removedPackage = packageName; 10107 // Remove existing system package 10108 removePackageLI(oldPkgSetting, true); 10109 // writer 10110 synchronized (mPackages) { 10111 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10112 // We didn't need to disable the .apk as a current system package, 10113 // which means we are replacing another update that is already 10114 // installed. We need to make sure to delete the older one's .apk. 10115 res.removedInfo.args = createInstallArgsForExisting(0, 10116 deletedPackage.applicationInfo.getCodePath(), 10117 deletedPackage.applicationInfo.getResourcePath(), 10118 deletedPackage.applicationInfo.nativeLibraryRootDir, 10119 getAppDexInstructionSets(deletedPackage.applicationInfo), 10120 isMultiArch(deletedPackage.applicationInfo)); 10121 } else { 10122 res.removedInfo.args = null; 10123 } 10124 } 10125 10126 // Successfully disabled the old package. Now proceed with re-installation 10127 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10128 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10129 10130 PackageParser.Package newPackage = null; 10131 try { 10132 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10133 if (newPackage.mExtras != null) { 10134 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10135 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10136 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10137 10138 // is the update attempting to change shared user? that isn't going to work... 10139 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10140 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10141 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10142 + " to " + newPkgSetting.sharedUser); 10143 updatedSettings = true; 10144 } 10145 } 10146 10147 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10148 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10149 updatedSettings = true; 10150 } 10151 10152 } catch (PackageManagerException e) { 10153 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10154 } 10155 10156 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10157 // Re installation failed. Restore old information 10158 // Remove new pkg information 10159 if (newPackage != null) { 10160 removeInstalledPackageLI(newPackage, true); 10161 } 10162 // Add back the old system package 10163 try { 10164 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, 10165 null); 10166 } catch (PackageManagerException e) { 10167 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10168 } 10169 // Restore the old system information in Settings 10170 synchronized(mPackages) { 10171 if (updatedSettings) { 10172 mSettings.enableSystemPackageLPw(packageName); 10173 mSettings.setInstallerPackageName(packageName, 10174 oldPkgSetting.installerPackageName); 10175 } 10176 mSettings.writeLPr(); 10177 } 10178 } 10179 } 10180 10181 // Utility method used to move dex files during install. 10182 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10183 // TODO: extend to move split APK dex files 10184 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10185 final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo); 10186 for (String instructionSet : instructionSets) { 10187 int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath, 10188 instructionSet); 10189 if (retCode != 0) { 10190 /* 10191 * Programs may be lazily run through dexopt, so the 10192 * source may not exist. However, something seems to 10193 * have gone wrong, so note that dexopt needs to be 10194 * run again and remove the source file. In addition, 10195 * remove the target to make sure there isn't a stale 10196 * file from a previous version of the package. 10197 */ 10198 newPackage.mDexOptNeeded = true; 10199 mInstaller.rmdex(oldCodePath, instructionSet); 10200 mInstaller.rmdex(newPackage.baseCodePath, instructionSet); 10201 } 10202 } 10203 } 10204 return PackageManager.INSTALL_SUCCEEDED; 10205 } 10206 10207 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10208 int[] allUsers, boolean[] perUserInstalled, 10209 PackageInstalledInfo res) { 10210 String pkgName = newPackage.packageName; 10211 synchronized (mPackages) { 10212 //write settings. the installStatus will be incomplete at this stage. 10213 //note that the new package setting would have already been 10214 //added to mPackages. It hasn't been persisted yet. 10215 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10216 mSettings.writeLPr(); 10217 } 10218 10219 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10220 10221 synchronized (mPackages) { 10222 updatePermissionsLPw(newPackage.packageName, newPackage, 10223 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10224 ? UPDATE_PERMISSIONS_ALL : 0)); 10225 // For system-bundled packages, we assume that installing an upgraded version 10226 // of the package implies that the user actually wants to run that new code, 10227 // so we enable the package. 10228 if (isSystemApp(newPackage)) { 10229 // NB: implicit assumption that system package upgrades apply to all users 10230 if (DEBUG_INSTALL) { 10231 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10232 } 10233 PackageSetting ps = mSettings.mPackages.get(pkgName); 10234 if (ps != null) { 10235 if (res.origUsers != null) { 10236 for (int userHandle : res.origUsers) { 10237 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10238 userHandle, installerPackageName); 10239 } 10240 } 10241 // Also convey the prior install/uninstall state 10242 if (allUsers != null && perUserInstalled != null) { 10243 for (int i = 0; i < allUsers.length; i++) { 10244 if (DEBUG_INSTALL) { 10245 Slog.d(TAG, " user " + allUsers[i] 10246 + " => " + perUserInstalled[i]); 10247 } 10248 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10249 } 10250 // these install state changes will be persisted in the 10251 // upcoming call to mSettings.writeLPr(). 10252 } 10253 } 10254 } 10255 res.name = pkgName; 10256 res.uid = newPackage.applicationInfo.uid; 10257 res.pkg = newPackage; 10258 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10259 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10260 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10261 //to update install status 10262 mSettings.writeLPr(); 10263 } 10264 } 10265 10266 private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { 10267 int pFlags = args.flags; 10268 String installerPackageName = args.installerPackageName; 10269 File tmpPackageFile = new File(args.getCodePath()); 10270 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10271 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10272 boolean replace = false; 10273 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10274 | (newInstall ? SCAN_NEW_INSTALL : 0); 10275 // Result object to be returned 10276 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10277 10278 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10279 // Retrieve PackageSettings and parse package 10280 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10281 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10282 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10283 PackageParser pp = new PackageParser(); 10284 pp.setSeparateProcesses(mSeparateProcesses); 10285 pp.setDisplayMetrics(mMetrics); 10286 10287 final PackageParser.Package pkg; 10288 try { 10289 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10290 } catch (PackageParserException e) { 10291 res.setError("Failed parse during installPackageLI", e); 10292 return; 10293 } 10294 10295 String pkgName = res.name = pkg.packageName; 10296 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10297 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10298 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10299 return; 10300 } 10301 } 10302 10303 try { 10304 pp.collectCertificates(pkg, parseFlags); 10305 pp.collectManifestDigest(pkg); 10306 } catch (PackageParserException e) { 10307 res.setError("Failed collect during installPackageLI", e); 10308 return; 10309 } 10310 10311 /* If the installer passed in a manifest digest, compare it now. */ 10312 if (args.manifestDigest != null) { 10313 if (DEBUG_INSTALL) { 10314 final String parsedManifest = pkg.manifestDigest == null ? "null" 10315 : pkg.manifestDigest.toString(); 10316 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10317 + parsedManifest); 10318 } 10319 10320 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10321 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10322 return; 10323 } 10324 } else if (DEBUG_INSTALL) { 10325 final String parsedManifest = pkg.manifestDigest == null 10326 ? "null" : pkg.manifestDigest.toString(); 10327 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10328 } 10329 10330 // Get rid of all references to package scan path via parser. 10331 pp = null; 10332 String oldCodePath = null; 10333 boolean systemApp = false; 10334 synchronized (mPackages) { 10335 // Check whether the newly-scanned package wants to define an already-defined perm 10336 int N = pkg.permissions.size(); 10337 for (int i = N-1; i >= 0; i--) { 10338 PackageParser.Permission perm = pkg.permissions.get(i); 10339 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10340 if (bp != null) { 10341 // If the defining package is signed with our cert, it's okay. This 10342 // also includes the "updating the same package" case, of course. 10343 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10344 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10345 // If the owning package is the system itself, we log but allow 10346 // install to proceed; we fail the install on all other permission 10347 // redefinitions. 10348 if (!bp.sourcePackage.equals("android")) { 10349 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10350 + pkg.packageName + " attempting to redeclare permission " 10351 + perm.info.name + " already owned by " + bp.sourcePackage); 10352 res.origPermission = perm.info.name; 10353 res.origPackage = bp.sourcePackage; 10354 return; 10355 } else { 10356 Slog.w(TAG, "Package " + pkg.packageName 10357 + " attempting to redeclare system permission " 10358 + perm.info.name + "; ignoring new declaration"); 10359 pkg.permissions.remove(i); 10360 } 10361 } 10362 } 10363 } 10364 10365 // Check if installing already existing package 10366 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10367 String oldName = mSettings.mRenamedPackages.get(pkgName); 10368 if (pkg.mOriginalPackages != null 10369 && pkg.mOriginalPackages.contains(oldName) 10370 && mPackages.containsKey(oldName)) { 10371 // This package is derived from an original package, 10372 // and this device has been updating from that original 10373 // name. We must continue using the original name, so 10374 // rename the new package here. 10375 pkg.setPackageName(oldName); 10376 pkgName = pkg.packageName; 10377 replace = true; 10378 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10379 + oldName + " pkgName=" + pkgName); 10380 } else if (mPackages.containsKey(pkgName)) { 10381 // This package, under its official name, already exists 10382 // on the device; we should replace it. 10383 replace = true; 10384 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10385 } 10386 } 10387 PackageSetting ps = mSettings.mPackages.get(pkgName); 10388 if (ps != null) { 10389 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10390 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10391 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10392 systemApp = (ps.pkg.applicationInfo.flags & 10393 ApplicationInfo.FLAG_SYSTEM) != 0; 10394 } 10395 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10396 } 10397 } 10398 10399 if (systemApp && onSd) { 10400 // Disable updates to system apps on sdcard 10401 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10402 "Cannot install updates to system apps on sdcard"); 10403 return; 10404 } 10405 10406 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10407 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10408 return; 10409 } 10410 10411 if (replace) { 10412 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10413 installerPackageName, res, args.abiOverride); 10414 } else { 10415 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10416 installerPackageName, res, args.abiOverride); 10417 } 10418 synchronized (mPackages) { 10419 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10420 if (ps != null) { 10421 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10422 } 10423 } 10424 } 10425 10426 private static boolean isForwardLocked(PackageParser.Package pkg) { 10427 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10428 } 10429 10430 private static boolean isForwardLocked(ApplicationInfo info) { 10431 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10432 } 10433 10434 private boolean isForwardLocked(PackageSetting ps) { 10435 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10436 } 10437 10438 private static boolean isMultiArch(PackageSetting ps) { 10439 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10440 } 10441 10442 private static boolean isMultiArch(ApplicationInfo info) { 10443 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10444 } 10445 10446 private static boolean isExternal(PackageParser.Package pkg) { 10447 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10448 } 10449 10450 private static boolean isExternal(PackageSetting ps) { 10451 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10452 } 10453 10454 private static boolean isExternal(ApplicationInfo info) { 10455 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10456 } 10457 10458 private static boolean isSystemApp(PackageParser.Package pkg) { 10459 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10460 } 10461 10462 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10463 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10464 } 10465 10466 private static boolean isSystemApp(ApplicationInfo info) { 10467 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10468 } 10469 10470 private static boolean isSystemApp(PackageSetting ps) { 10471 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10472 } 10473 10474 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10475 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10476 } 10477 10478 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10479 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10480 } 10481 10482 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10483 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10484 } 10485 10486 private int packageFlagsToInstallFlags(PackageSetting ps) { 10487 int installFlags = 0; 10488 if (isExternal(ps)) { 10489 installFlags |= PackageManager.INSTALL_EXTERNAL; 10490 } 10491 if (isForwardLocked(ps)) { 10492 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10493 } 10494 return installFlags; 10495 } 10496 10497 private void deleteTempPackageFiles() { 10498 final FilenameFilter filter = new FilenameFilter() { 10499 public boolean accept(File dir, String name) { 10500 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10501 } 10502 }; 10503 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10504 file.delete(); 10505 } 10506 } 10507 10508 @Override 10509 public void deletePackageAsUser(final String packageName, 10510 final IPackageDeleteObserver observer, 10511 final int userId, final int flags) { 10512 mContext.enforceCallingOrSelfPermission( 10513 android.Manifest.permission.DELETE_PACKAGES, null); 10514 final int uid = Binder.getCallingUid(); 10515 if (UserHandle.getUserId(uid) != userId) { 10516 mContext.enforceCallingPermission( 10517 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10518 "deletePackage for user " + userId); 10519 } 10520 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10521 try { 10522 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10523 } catch (RemoteException re) { 10524 } 10525 return; 10526 } 10527 10528 boolean blocked = false; 10529 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10530 int[] users = sUserManager.getUserIds(); 10531 for (int i = 0; i < users.length; ++i) { 10532 if (getBlockUninstallForUser(packageName, users[i])) { 10533 blocked = true; 10534 break; 10535 } 10536 } 10537 } else { 10538 blocked = getBlockUninstallForUser(packageName, userId); 10539 } 10540 if (blocked) { 10541 try { 10542 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED); 10543 } catch (RemoteException re) { 10544 } 10545 return; 10546 } 10547 10548 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10549 // Queue up an async operation since the package deletion may take a little while. 10550 mHandler.post(new Runnable() { 10551 public void run() { 10552 mHandler.removeCallbacks(this); 10553 final int returnCode = deletePackageX(packageName, userId, flags); 10554 if (observer != null) { 10555 try { 10556 observer.packageDeleted(packageName, returnCode); 10557 } catch (RemoteException e) { 10558 Log.i(TAG, "Observer no longer exists."); 10559 } //end catch 10560 } //end if 10561 } //end run 10562 }); 10563 } 10564 10565 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10566 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10567 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10568 try { 10569 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10570 || dpm.isDeviceOwner(packageName))) { 10571 return true; 10572 } 10573 } catch (RemoteException e) { 10574 } 10575 return false; 10576 } 10577 10578 /** 10579 * This method is an internal method that could be get invoked either 10580 * to delete an installed package or to clean up a failed installation. 10581 * After deleting an installed package, a broadcast is sent to notify any 10582 * listeners that the package has been installed. For cleaning up a failed 10583 * installation, the broadcast is not necessary since the package's 10584 * installation wouldn't have sent the initial broadcast either 10585 * The key steps in deleting a package are 10586 * deleting the package information in internal structures like mPackages, 10587 * deleting the packages base directories through installd 10588 * updating mSettings to reflect current status 10589 * persisting settings for later use 10590 * sending a broadcast if necessary 10591 */ 10592 private int deletePackageX(String packageName, int userId, int flags) { 10593 final PackageRemovedInfo info = new PackageRemovedInfo(); 10594 final boolean res; 10595 10596 if (isPackageDeviceAdmin(packageName, userId)) { 10597 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10598 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10599 } 10600 10601 boolean removedForAllUsers = false; 10602 boolean systemUpdate = false; 10603 10604 // for the uninstall-updates case and restricted profiles, remember the per- 10605 // userhandle installed state 10606 int[] allUsers; 10607 boolean[] perUserInstalled; 10608 synchronized (mPackages) { 10609 PackageSetting ps = mSettings.mPackages.get(packageName); 10610 allUsers = sUserManager.getUserIds(); 10611 perUserInstalled = new boolean[allUsers.length]; 10612 for (int i = 0; i < allUsers.length; i++) { 10613 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10614 } 10615 } 10616 10617 synchronized (mInstallLock) { 10618 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10619 res = deletePackageLI(packageName, 10620 (flags & PackageManager.DELETE_ALL_USERS) != 0 10621 ? UserHandle.ALL : new UserHandle(userId), 10622 true, allUsers, perUserInstalled, 10623 flags | REMOVE_CHATTY, info, true); 10624 systemUpdate = info.isRemovedPackageSystemUpdate; 10625 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10626 removedForAllUsers = true; 10627 } 10628 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10629 + " removedForAllUsers=" + removedForAllUsers); 10630 } 10631 10632 if (res) { 10633 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10634 10635 // If the removed package was a system update, the old system package 10636 // was re-enabled; we need to broadcast this information 10637 if (systemUpdate) { 10638 Bundle extras = new Bundle(1); 10639 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10640 ? info.removedAppId : info.uid); 10641 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10642 10643 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10644 extras, null, null, null); 10645 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10646 extras, null, null, null); 10647 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10648 null, packageName, null, null); 10649 } 10650 } 10651 // Force a gc here. 10652 Runtime.getRuntime().gc(); 10653 // Delete the resources here after sending the broadcast to let 10654 // other processes clean up before deleting resources. 10655 if (info.args != null) { 10656 synchronized (mInstallLock) { 10657 info.args.doPostDeleteLI(true); 10658 } 10659 } 10660 10661 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10662 } 10663 10664 static class PackageRemovedInfo { 10665 String removedPackage; 10666 int uid = -1; 10667 int removedAppId = -1; 10668 int[] removedUsers = null; 10669 boolean isRemovedPackageSystemUpdate = false; 10670 // Clean up resources deleted packages. 10671 InstallArgs args = null; 10672 10673 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10674 Bundle extras = new Bundle(1); 10675 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10676 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10677 if (replacing) { 10678 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10679 } 10680 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10681 if (removedPackage != null) { 10682 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10683 extras, null, null, removedUsers); 10684 if (fullRemove && !replacing) { 10685 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10686 extras, null, null, removedUsers); 10687 } 10688 } 10689 if (removedAppId >= 0) { 10690 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10691 removedUsers); 10692 } 10693 } 10694 } 10695 10696 /* 10697 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10698 * flag is not set, the data directory is removed as well. 10699 * make sure this flag is set for partially installed apps. If not its meaningless to 10700 * delete a partially installed application. 10701 */ 10702 private void removePackageDataLI(PackageSetting ps, 10703 int[] allUserHandles, boolean[] perUserInstalled, 10704 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10705 String packageName = ps.name; 10706 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10707 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10708 // Retrieve object to delete permissions for shared user later on 10709 final PackageSetting deletedPs; 10710 // reader 10711 synchronized (mPackages) { 10712 deletedPs = mSettings.mPackages.get(packageName); 10713 if (outInfo != null) { 10714 outInfo.removedPackage = packageName; 10715 outInfo.removedUsers = deletedPs != null 10716 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10717 : null; 10718 } 10719 } 10720 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10721 removeDataDirsLI(packageName); 10722 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10723 } 10724 // writer 10725 synchronized (mPackages) { 10726 if (deletedPs != null) { 10727 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10728 if (outInfo != null) { 10729 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10730 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10731 } 10732 if (deletedPs != null) { 10733 updatePermissionsLPw(deletedPs.name, null, 0); 10734 if (deletedPs.sharedUser != null) { 10735 // remove permissions associated with package 10736 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10737 } 10738 } 10739 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10740 } 10741 // make sure to preserve per-user disabled state if this removal was just 10742 // a downgrade of a system app to the factory package 10743 if (allUserHandles != null && perUserInstalled != null) { 10744 if (DEBUG_REMOVE) { 10745 Slog.d(TAG, "Propagating install state across downgrade"); 10746 } 10747 for (int i = 0; i < allUserHandles.length; i++) { 10748 if (DEBUG_REMOVE) { 10749 Slog.d(TAG, " user " + allUserHandles[i] 10750 + " => " + perUserInstalled[i]); 10751 } 10752 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10753 } 10754 } 10755 } 10756 // can downgrade to reader 10757 if (writeSettings) { 10758 // Save settings now 10759 mSettings.writeLPr(); 10760 } 10761 } 10762 if (outInfo != null) { 10763 // A user ID was deleted here. Go through all users and remove it 10764 // from KeyStore. 10765 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10766 } 10767 } 10768 10769 static boolean locationIsPrivileged(File path) { 10770 try { 10771 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10772 .getCanonicalPath(); 10773 return path.getCanonicalPath().startsWith(privilegedAppDir); 10774 } catch (IOException e) { 10775 Slog.e(TAG, "Unable to access code path " + path); 10776 } 10777 return false; 10778 } 10779 10780 /* 10781 * Tries to delete system package. 10782 */ 10783 private boolean deleteSystemPackageLI(PackageSetting newPs, 10784 int[] allUserHandles, boolean[] perUserInstalled, 10785 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10786 final boolean applyUserRestrictions 10787 = (allUserHandles != null) && (perUserInstalled != null); 10788 PackageSetting disabledPs = null; 10789 // Confirm if the system package has been updated 10790 // An updated system app can be deleted. This will also have to restore 10791 // the system pkg from system partition 10792 // reader 10793 synchronized (mPackages) { 10794 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10795 } 10796 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10797 + " disabledPs=" + disabledPs); 10798 if (disabledPs == null) { 10799 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10800 return false; 10801 } else if (DEBUG_REMOVE) { 10802 Slog.d(TAG, "Deleting system pkg from data partition"); 10803 } 10804 if (DEBUG_REMOVE) { 10805 if (applyUserRestrictions) { 10806 Slog.d(TAG, "Remembering install states:"); 10807 for (int i = 0; i < allUserHandles.length; i++) { 10808 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10809 } 10810 } 10811 } 10812 // Delete the updated package 10813 outInfo.isRemovedPackageSystemUpdate = true; 10814 if (disabledPs.versionCode < newPs.versionCode) { 10815 // Delete data for downgrades 10816 flags &= ~PackageManager.DELETE_KEEP_DATA; 10817 } else { 10818 // Preserve data by setting flag 10819 flags |= PackageManager.DELETE_KEEP_DATA; 10820 } 10821 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10822 allUserHandles, perUserInstalled, outInfo, writeSettings); 10823 if (!ret) { 10824 return false; 10825 } 10826 // writer 10827 synchronized (mPackages) { 10828 // Reinstate the old system package 10829 mSettings.enableSystemPackageLPw(newPs.name); 10830 // Remove any native libraries from the upgraded package. 10831 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10832 } 10833 // Install the system package 10834 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10835 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10836 if (locationIsPrivileged(disabledPs.codePath)) { 10837 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10838 } 10839 10840 final PackageParser.Package newPkg; 10841 try { 10842 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, 10843 null, null); 10844 } catch (PackageManagerException e) { 10845 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10846 return false; 10847 } 10848 10849 // writer 10850 synchronized (mPackages) { 10851 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10852 setBundledAppAbisAndRoots(newPkg, ps); 10853 updatePermissionsLPw(newPkg.packageName, newPkg, 10854 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10855 if (applyUserRestrictions) { 10856 if (DEBUG_REMOVE) { 10857 Slog.d(TAG, "Propagating install state across reinstall"); 10858 } 10859 for (int i = 0; i < allUserHandles.length; i++) { 10860 if (DEBUG_REMOVE) { 10861 Slog.d(TAG, " user " + allUserHandles[i] 10862 + " => " + perUserInstalled[i]); 10863 } 10864 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10865 } 10866 // Regardless of writeSettings we need to ensure that this restriction 10867 // state propagation is persisted 10868 mSettings.writeAllUsersPackageRestrictionsLPr(); 10869 } 10870 // can downgrade to reader here 10871 if (writeSettings) { 10872 mSettings.writeLPr(); 10873 } 10874 } 10875 return true; 10876 } 10877 10878 private boolean deleteInstalledPackageLI(PackageSetting ps, 10879 boolean deleteCodeAndResources, int flags, 10880 int[] allUserHandles, boolean[] perUserInstalled, 10881 PackageRemovedInfo outInfo, boolean writeSettings) { 10882 if (outInfo != null) { 10883 outInfo.uid = ps.appId; 10884 } 10885 10886 // Delete package data from internal structures and also remove data if flag is set 10887 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10888 10889 // Delete application code and resources 10890 if (deleteCodeAndResources && (outInfo != null)) { 10891 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10892 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10893 getAppDexInstructionSets(ps), isMultiArch(ps)); 10894 } 10895 return true; 10896 } 10897 10898 @Override 10899 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10900 int userId) { 10901 mContext.enforceCallingOrSelfPermission( 10902 android.Manifest.permission.DELETE_PACKAGES, null); 10903 synchronized (mPackages) { 10904 PackageSetting ps = mSettings.mPackages.get(packageName); 10905 if (ps == null) { 10906 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10907 return false; 10908 } 10909 if (!ps.getInstalled(userId)) { 10910 // Can't block uninstall for an app that is not installed or enabled. 10911 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10912 return false; 10913 } 10914 ps.setBlockUninstall(blockUninstall, userId); 10915 mSettings.writePackageRestrictionsLPr(userId); 10916 } 10917 return true; 10918 } 10919 10920 @Override 10921 public boolean getBlockUninstallForUser(String packageName, int userId) { 10922 synchronized (mPackages) { 10923 PackageSetting ps = mSettings.mPackages.get(packageName); 10924 if (ps == null) { 10925 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10926 return false; 10927 } 10928 return ps.getBlockUninstall(userId); 10929 } 10930 } 10931 10932 /* 10933 * This method handles package deletion in general 10934 */ 10935 private boolean deletePackageLI(String packageName, UserHandle user, 10936 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10937 int flags, PackageRemovedInfo outInfo, 10938 boolean writeSettings) { 10939 if (packageName == null) { 10940 Slog.w(TAG, "Attempt to delete null packageName."); 10941 return false; 10942 } 10943 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10944 PackageSetting ps; 10945 boolean dataOnly = false; 10946 int removeUser = -1; 10947 int appId = -1; 10948 synchronized (mPackages) { 10949 ps = mSettings.mPackages.get(packageName); 10950 if (ps == null) { 10951 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10952 return false; 10953 } 10954 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10955 && user.getIdentifier() != UserHandle.USER_ALL) { 10956 // The caller is asking that the package only be deleted for a single 10957 // user. To do this, we just mark its uninstalled state and delete 10958 // its data. If this is a system app, we only allow this to happen if 10959 // they have set the special DELETE_SYSTEM_APP which requests different 10960 // semantics than normal for uninstalling system apps. 10961 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10962 ps.setUserState(user.getIdentifier(), 10963 COMPONENT_ENABLED_STATE_DEFAULT, 10964 false, //installed 10965 true, //stopped 10966 true, //notLaunched 10967 false, //blocked 10968 null, null, null, 10969 false // blockUninstall 10970 ); 10971 if (!isSystemApp(ps)) { 10972 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10973 // Other user still have this package installed, so all 10974 // we need to do is clear this user's data and save that 10975 // it is uninstalled. 10976 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10977 removeUser = user.getIdentifier(); 10978 appId = ps.appId; 10979 mSettings.writePackageRestrictionsLPr(removeUser); 10980 } else { 10981 // We need to set it back to 'installed' so the uninstall 10982 // broadcasts will be sent correctly. 10983 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10984 ps.setInstalled(true, user.getIdentifier()); 10985 } 10986 } else { 10987 // This is a system app, so we assume that the 10988 // other users still have this package installed, so all 10989 // we need to do is clear this user's data and save that 10990 // it is uninstalled. 10991 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10992 removeUser = user.getIdentifier(); 10993 appId = ps.appId; 10994 mSettings.writePackageRestrictionsLPr(removeUser); 10995 } 10996 } 10997 } 10998 10999 if (removeUser >= 0) { 11000 // From above, we determined that we are deleting this only 11001 // for a single user. Continue the work here. 11002 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11003 if (outInfo != null) { 11004 outInfo.removedPackage = packageName; 11005 outInfo.removedAppId = appId; 11006 outInfo.removedUsers = new int[] {removeUser}; 11007 } 11008 mInstaller.clearUserData(packageName, removeUser); 11009 removeKeystoreDataIfNeeded(removeUser, appId); 11010 schedulePackageCleaning(packageName, removeUser, false); 11011 return true; 11012 } 11013 11014 if (dataOnly) { 11015 // Delete application data first 11016 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11017 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11018 return true; 11019 } 11020 11021 boolean ret = false; 11022 if (isSystemApp(ps)) { 11023 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11024 // When an updated system application is deleted we delete the existing resources as well and 11025 // fall back to existing code in system partition 11026 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11027 flags, outInfo, writeSettings); 11028 } else { 11029 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11030 // Kill application pre-emptively especially for apps on sd. 11031 killApplication(packageName, ps.appId, "uninstall pkg"); 11032 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11033 allUserHandles, perUserInstalled, 11034 outInfo, writeSettings); 11035 } 11036 11037 return ret; 11038 } 11039 11040 private final class ClearStorageConnection implements ServiceConnection { 11041 IMediaContainerService mContainerService; 11042 11043 @Override 11044 public void onServiceConnected(ComponentName name, IBinder service) { 11045 synchronized (this) { 11046 mContainerService = IMediaContainerService.Stub.asInterface(service); 11047 notifyAll(); 11048 } 11049 } 11050 11051 @Override 11052 public void onServiceDisconnected(ComponentName name) { 11053 } 11054 } 11055 11056 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11057 final boolean mounted; 11058 if (Environment.isExternalStorageEmulated()) { 11059 mounted = true; 11060 } else { 11061 final String status = Environment.getExternalStorageState(); 11062 11063 mounted = status.equals(Environment.MEDIA_MOUNTED) 11064 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11065 } 11066 11067 if (!mounted) { 11068 return; 11069 } 11070 11071 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11072 int[] users; 11073 if (userId == UserHandle.USER_ALL) { 11074 users = sUserManager.getUserIds(); 11075 } else { 11076 users = new int[] { userId }; 11077 } 11078 final ClearStorageConnection conn = new ClearStorageConnection(); 11079 if (mContext.bindServiceAsUser( 11080 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11081 try { 11082 for (int curUser : users) { 11083 long timeout = SystemClock.uptimeMillis() + 5000; 11084 synchronized (conn) { 11085 long now = SystemClock.uptimeMillis(); 11086 while (conn.mContainerService == null && now < timeout) { 11087 try { 11088 conn.wait(timeout - now); 11089 } catch (InterruptedException e) { 11090 } 11091 } 11092 } 11093 if (conn.mContainerService == null) { 11094 return; 11095 } 11096 11097 final UserEnvironment userEnv = new UserEnvironment(curUser); 11098 clearDirectory(conn.mContainerService, 11099 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11100 if (allData) { 11101 clearDirectory(conn.mContainerService, 11102 userEnv.buildExternalStorageAppDataDirs(packageName)); 11103 clearDirectory(conn.mContainerService, 11104 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11105 } 11106 } 11107 } finally { 11108 mContext.unbindService(conn); 11109 } 11110 } 11111 } 11112 11113 @Override 11114 public void clearApplicationUserData(final String packageName, 11115 final IPackageDataObserver observer, final int userId) { 11116 mContext.enforceCallingOrSelfPermission( 11117 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11118 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11119 // Queue up an async operation since the package deletion may take a little while. 11120 mHandler.post(new Runnable() { 11121 public void run() { 11122 mHandler.removeCallbacks(this); 11123 final boolean succeeded; 11124 synchronized (mInstallLock) { 11125 succeeded = clearApplicationUserDataLI(packageName, userId); 11126 } 11127 clearExternalStorageDataSync(packageName, userId, true); 11128 if (succeeded) { 11129 // invoke DeviceStorageMonitor's update method to clear any notifications 11130 DeviceStorageMonitorInternal 11131 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11132 if (dsm != null) { 11133 dsm.checkMemory(); 11134 } 11135 } 11136 if(observer != null) { 11137 try { 11138 observer.onRemoveCompleted(packageName, succeeded); 11139 } catch (RemoteException e) { 11140 Log.i(TAG, "Observer no longer exists."); 11141 } 11142 } //end if observer 11143 } //end run 11144 }); 11145 } 11146 11147 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11148 if (packageName == null) { 11149 Slog.w(TAG, "Attempt to delete null packageName."); 11150 return false; 11151 } 11152 PackageParser.Package p; 11153 boolean dataOnly = false; 11154 final int appId; 11155 synchronized (mPackages) { 11156 p = mPackages.get(packageName); 11157 if (p == null) { 11158 dataOnly = true; 11159 PackageSetting ps = mSettings.mPackages.get(packageName); 11160 if ((ps == null) || (ps.pkg == null)) { 11161 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11162 return false; 11163 } 11164 p = ps.pkg; 11165 } 11166 if (!dataOnly) { 11167 // need to check this only for fully installed applications 11168 if (p == null) { 11169 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11170 return false; 11171 } 11172 final ApplicationInfo applicationInfo = p.applicationInfo; 11173 if (applicationInfo == null) { 11174 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11175 return false; 11176 } 11177 } 11178 if (p != null && p.applicationInfo != null) { 11179 appId = p.applicationInfo.uid; 11180 } else { 11181 appId = -1; 11182 } 11183 } 11184 int retCode = mInstaller.clearUserData(packageName, userId); 11185 if (retCode < 0) { 11186 Slog.w(TAG, "Couldn't remove cache files for package: " 11187 + packageName); 11188 return false; 11189 } 11190 removeKeystoreDataIfNeeded(userId, appId); 11191 return true; 11192 } 11193 11194 /** 11195 * Remove entries from the keystore daemon. Will only remove it if the 11196 * {@code appId} is valid. 11197 */ 11198 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11199 if (appId < 0) { 11200 return; 11201 } 11202 11203 final KeyStore keyStore = KeyStore.getInstance(); 11204 if (keyStore != null) { 11205 if (userId == UserHandle.USER_ALL) { 11206 for (final int individual : sUserManager.getUserIds()) { 11207 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11208 } 11209 } else { 11210 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11211 } 11212 } else { 11213 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11214 } 11215 } 11216 11217 @Override 11218 public void deleteApplicationCacheFiles(final String packageName, 11219 final IPackageDataObserver observer) { 11220 mContext.enforceCallingOrSelfPermission( 11221 android.Manifest.permission.DELETE_CACHE_FILES, null); 11222 // Queue up an async operation since the package deletion may take a little while. 11223 final int userId = UserHandle.getCallingUserId(); 11224 mHandler.post(new Runnable() { 11225 public void run() { 11226 mHandler.removeCallbacks(this); 11227 final boolean succeded; 11228 synchronized (mInstallLock) { 11229 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11230 } 11231 clearExternalStorageDataSync(packageName, userId, false); 11232 if(observer != null) { 11233 try { 11234 observer.onRemoveCompleted(packageName, succeded); 11235 } catch (RemoteException e) { 11236 Log.i(TAG, "Observer no longer exists."); 11237 } 11238 } //end if observer 11239 } //end run 11240 }); 11241 } 11242 11243 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11244 if (packageName == null) { 11245 Slog.w(TAG, "Attempt to delete null packageName."); 11246 return false; 11247 } 11248 PackageParser.Package p; 11249 synchronized (mPackages) { 11250 p = mPackages.get(packageName); 11251 } 11252 if (p == null) { 11253 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11254 return false; 11255 } 11256 final ApplicationInfo applicationInfo = p.applicationInfo; 11257 if (applicationInfo == null) { 11258 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11259 return false; 11260 } 11261 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11262 if (retCode < 0) { 11263 Slog.w(TAG, "Couldn't remove cache files for package: " 11264 + packageName + " u" + userId); 11265 return false; 11266 } 11267 return true; 11268 } 11269 11270 @Override 11271 public void getPackageSizeInfo(final String packageName, int userHandle, 11272 final IPackageStatsObserver observer) { 11273 mContext.enforceCallingOrSelfPermission( 11274 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11275 if (packageName == null) { 11276 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11277 } 11278 11279 PackageStats stats = new PackageStats(packageName, userHandle); 11280 11281 /* 11282 * Queue up an async operation since the package measurement may take a 11283 * little while. 11284 */ 11285 Message msg = mHandler.obtainMessage(INIT_COPY); 11286 msg.obj = new MeasureParams(stats, observer); 11287 mHandler.sendMessage(msg); 11288 } 11289 11290 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11291 PackageStats pStats) { 11292 if (packageName == null) { 11293 Slog.w(TAG, "Attempt to get size of null packageName."); 11294 return false; 11295 } 11296 PackageParser.Package p; 11297 boolean dataOnly = false; 11298 String libDirRoot = null; 11299 String asecPath = null; 11300 PackageSetting ps = null; 11301 synchronized (mPackages) { 11302 p = mPackages.get(packageName); 11303 ps = mSettings.mPackages.get(packageName); 11304 if(p == null) { 11305 dataOnly = true; 11306 if((ps == null) || (ps.pkg == null)) { 11307 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11308 return false; 11309 } 11310 p = ps.pkg; 11311 } 11312 if (ps != null) { 11313 libDirRoot = ps.legacyNativeLibraryPathString; 11314 } 11315 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11316 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11317 if (secureContainerId != null) { 11318 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11319 } 11320 } 11321 } 11322 String publicSrcDir = null; 11323 if(!dataOnly) { 11324 final ApplicationInfo applicationInfo = p.applicationInfo; 11325 if (applicationInfo == null) { 11326 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11327 return false; 11328 } 11329 if (isForwardLocked(p)) { 11330 publicSrcDir = applicationInfo.getBaseResourcePath(); 11331 } 11332 } 11333 // TODO: extend to measure size of split APKs 11334 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11335 // not just the first level. 11336 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11337 // just the primary. 11338 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11339 publicSrcDir, asecPath, getAppDexInstructionSets(ps), 11340 pStats); 11341 if (res < 0) { 11342 return false; 11343 } 11344 11345 // Fix-up for forward-locked applications in ASEC containers. 11346 if (!isExternal(p)) { 11347 pStats.codeSize += pStats.externalCodeSize; 11348 pStats.externalCodeSize = 0L; 11349 } 11350 11351 return true; 11352 } 11353 11354 11355 @Override 11356 public void addPackageToPreferred(String packageName) { 11357 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11358 } 11359 11360 @Override 11361 public void removePackageFromPreferred(String packageName) { 11362 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11363 } 11364 11365 @Override 11366 public List<PackageInfo> getPreferredPackages(int flags) { 11367 return new ArrayList<PackageInfo>(); 11368 } 11369 11370 private int getUidTargetSdkVersionLockedLPr(int uid) { 11371 Object obj = mSettings.getUserIdLPr(uid); 11372 if (obj instanceof SharedUserSetting) { 11373 final SharedUserSetting sus = (SharedUserSetting) obj; 11374 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11375 final Iterator<PackageSetting> it = sus.packages.iterator(); 11376 while (it.hasNext()) { 11377 final PackageSetting ps = it.next(); 11378 if (ps.pkg != null) { 11379 int v = ps.pkg.applicationInfo.targetSdkVersion; 11380 if (v < vers) vers = v; 11381 } 11382 } 11383 return vers; 11384 } else if (obj instanceof PackageSetting) { 11385 final PackageSetting ps = (PackageSetting) obj; 11386 if (ps.pkg != null) { 11387 return ps.pkg.applicationInfo.targetSdkVersion; 11388 } 11389 } 11390 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11391 } 11392 11393 @Override 11394 public void addPreferredActivity(IntentFilter filter, int match, 11395 ComponentName[] set, ComponentName activity, int userId) { 11396 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11397 } 11398 11399 private void addPreferredActivityInternal(IntentFilter filter, int match, 11400 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11401 // writer 11402 int callingUid = Binder.getCallingUid(); 11403 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11404 if (filter.countActions() == 0) { 11405 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11406 return; 11407 } 11408 synchronized (mPackages) { 11409 if (mContext.checkCallingOrSelfPermission( 11410 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11411 != PackageManager.PERMISSION_GRANTED) { 11412 if (getUidTargetSdkVersionLockedLPr(callingUid) 11413 < Build.VERSION_CODES.FROYO) { 11414 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11415 + callingUid); 11416 return; 11417 } 11418 mContext.enforceCallingOrSelfPermission( 11419 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11420 } 11421 11422 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11423 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11424 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11425 new PreferredActivity(filter, match, set, activity, always)); 11426 mSettings.writePackageRestrictionsLPr(userId); 11427 } 11428 } 11429 11430 @Override 11431 public void replacePreferredActivity(IntentFilter filter, int match, 11432 ComponentName[] set, ComponentName activity) { 11433 if (filter.countActions() != 1) { 11434 throw new IllegalArgumentException( 11435 "replacePreferredActivity expects filter to have only 1 action."); 11436 } 11437 if (filter.countDataAuthorities() != 0 11438 || filter.countDataPaths() != 0 11439 || filter.countDataSchemes() > 1 11440 || filter.countDataTypes() != 0) { 11441 throw new IllegalArgumentException( 11442 "replacePreferredActivity expects filter to have no data authorities, " + 11443 "paths, or types; and at most one scheme."); 11444 } 11445 synchronized (mPackages) { 11446 if (mContext.checkCallingOrSelfPermission( 11447 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11448 != PackageManager.PERMISSION_GRANTED) { 11449 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11450 < Build.VERSION_CODES.FROYO) { 11451 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11452 + Binder.getCallingUid()); 11453 return; 11454 } 11455 mContext.enforceCallingOrSelfPermission( 11456 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11457 } 11458 11459 final int callingUserId = UserHandle.getCallingUserId(); 11460 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11461 if (pir != null) { 11462 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11463 if (filter.countDataSchemes() == 1) { 11464 Uri.Builder builder = new Uri.Builder(); 11465 builder.scheme(filter.getDataScheme(0)); 11466 intent.setData(builder.build()); 11467 } 11468 List<PreferredActivity> matches = pir.queryIntent( 11469 intent, null, true, callingUserId); 11470 if (DEBUG_PREFERRED) { 11471 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11472 } 11473 for (int i = 0; i < matches.size(); i++) { 11474 PreferredActivity pa = matches.get(i); 11475 if (DEBUG_PREFERRED) { 11476 Slog.i(TAG, "Removing preferred activity " 11477 + pa.mPref.mComponent + ":"); 11478 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11479 } 11480 pir.removeFilter(pa); 11481 } 11482 } 11483 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11484 } 11485 } 11486 11487 @Override 11488 public void clearPackagePreferredActivities(String packageName) { 11489 final int uid = Binder.getCallingUid(); 11490 // writer 11491 synchronized (mPackages) { 11492 PackageParser.Package pkg = mPackages.get(packageName); 11493 if (pkg == null || pkg.applicationInfo.uid != uid) { 11494 if (mContext.checkCallingOrSelfPermission( 11495 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11496 != PackageManager.PERMISSION_GRANTED) { 11497 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11498 < Build.VERSION_CODES.FROYO) { 11499 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11500 + Binder.getCallingUid()); 11501 return; 11502 } 11503 mContext.enforceCallingOrSelfPermission( 11504 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11505 } 11506 } 11507 11508 int user = UserHandle.getCallingUserId(); 11509 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11510 mSettings.writePackageRestrictionsLPr(user); 11511 scheduleWriteSettingsLocked(); 11512 } 11513 } 11514 } 11515 11516 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11517 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11518 ArrayList<PreferredActivity> removed = null; 11519 boolean changed = false; 11520 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11521 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11522 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11523 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11524 continue; 11525 } 11526 Iterator<PreferredActivity> it = pir.filterIterator(); 11527 while (it.hasNext()) { 11528 PreferredActivity pa = it.next(); 11529 // Mark entry for removal only if it matches the package name 11530 // and the entry is of type "always". 11531 if (packageName == null || 11532 (pa.mPref.mComponent.getPackageName().equals(packageName) 11533 && pa.mPref.mAlways)) { 11534 if (removed == null) { 11535 removed = new ArrayList<PreferredActivity>(); 11536 } 11537 removed.add(pa); 11538 } 11539 } 11540 if (removed != null) { 11541 for (int j=0; j<removed.size(); j++) { 11542 PreferredActivity pa = removed.get(j); 11543 pir.removeFilter(pa); 11544 } 11545 changed = true; 11546 } 11547 } 11548 return changed; 11549 } 11550 11551 @Override 11552 public void resetPreferredActivities(int userId) { 11553 mContext.enforceCallingOrSelfPermission( 11554 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11555 // writer 11556 synchronized (mPackages) { 11557 int user = UserHandle.getCallingUserId(); 11558 clearPackagePreferredActivitiesLPw(null, user); 11559 mSettings.readDefaultPreferredAppsLPw(this, user); 11560 mSettings.writePackageRestrictionsLPr(user); 11561 scheduleWriteSettingsLocked(); 11562 } 11563 } 11564 11565 @Override 11566 public int getPreferredActivities(List<IntentFilter> outFilters, 11567 List<ComponentName> outActivities, String packageName) { 11568 11569 int num = 0; 11570 final int userId = UserHandle.getCallingUserId(); 11571 // reader 11572 synchronized (mPackages) { 11573 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11574 if (pir != null) { 11575 final Iterator<PreferredActivity> it = pir.filterIterator(); 11576 while (it.hasNext()) { 11577 final PreferredActivity pa = it.next(); 11578 if (packageName == null 11579 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11580 && pa.mPref.mAlways)) { 11581 if (outFilters != null) { 11582 outFilters.add(new IntentFilter(pa)); 11583 } 11584 if (outActivities != null) { 11585 outActivities.add(pa.mPref.mComponent); 11586 } 11587 } 11588 } 11589 } 11590 } 11591 11592 return num; 11593 } 11594 11595 @Override 11596 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11597 int userId) { 11598 int callingUid = Binder.getCallingUid(); 11599 if (callingUid != Process.SYSTEM_UID) { 11600 throw new SecurityException( 11601 "addPersistentPreferredActivity can only be run by the system"); 11602 } 11603 if (filter.countActions() == 0) { 11604 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11605 return; 11606 } 11607 synchronized (mPackages) { 11608 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11609 " :"); 11610 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11611 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11612 new PersistentPreferredActivity(filter, activity)); 11613 mSettings.writePackageRestrictionsLPr(userId); 11614 } 11615 } 11616 11617 @Override 11618 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11619 int callingUid = Binder.getCallingUid(); 11620 if (callingUid != Process.SYSTEM_UID) { 11621 throw new SecurityException( 11622 "clearPackagePersistentPreferredActivities can only be run by the system"); 11623 } 11624 ArrayList<PersistentPreferredActivity> removed = null; 11625 boolean changed = false; 11626 synchronized (mPackages) { 11627 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11628 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11629 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11630 .valueAt(i); 11631 if (userId != thisUserId) { 11632 continue; 11633 } 11634 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11635 while (it.hasNext()) { 11636 PersistentPreferredActivity ppa = it.next(); 11637 // Mark entry for removal only if it matches the package name. 11638 if (ppa.mComponent.getPackageName().equals(packageName)) { 11639 if (removed == null) { 11640 removed = new ArrayList<PersistentPreferredActivity>(); 11641 } 11642 removed.add(ppa); 11643 } 11644 } 11645 if (removed != null) { 11646 for (int j=0; j<removed.size(); j++) { 11647 PersistentPreferredActivity ppa = removed.get(j); 11648 ppir.removeFilter(ppa); 11649 } 11650 changed = true; 11651 } 11652 } 11653 11654 if (changed) { 11655 mSettings.writePackageRestrictionsLPr(userId); 11656 } 11657 } 11658 } 11659 11660 @Override 11661 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11662 int targetUserId, int flags) { 11663 mContext.enforceCallingOrSelfPermission( 11664 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11665 if (intentFilter.countActions() == 0) { 11666 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11667 return; 11668 } 11669 synchronized (mPackages) { 11670 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11671 targetUserId, flags); 11672 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11673 mSettings.writePackageRestrictionsLPr(sourceUserId); 11674 } 11675 } 11676 11677 public void addCrossProfileIntentsForPackage(String packageName, 11678 int sourceUserId, int targetUserId) { 11679 mContext.enforceCallingOrSelfPermission( 11680 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11681 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11682 mSettings.writePackageRestrictionsLPr(sourceUserId); 11683 } 11684 11685 public void removeCrossProfileIntentsForPackage(String packageName, 11686 int sourceUserId, int targetUserId) { 11687 mContext.enforceCallingOrSelfPermission( 11688 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11689 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11690 mSettings.writePackageRestrictionsLPr(sourceUserId); 11691 } 11692 11693 @Override 11694 public void clearCrossProfileIntentFilters(int sourceUserId) { 11695 mContext.enforceCallingOrSelfPermission( 11696 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11697 synchronized (mPackages) { 11698 CrossProfileIntentResolver resolver = 11699 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11700 HashSet<CrossProfileIntentFilter> set = 11701 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11702 for (CrossProfileIntentFilter filter : set) { 11703 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11704 resolver.removeFilter(filter); 11705 } 11706 } 11707 mSettings.writePackageRestrictionsLPr(sourceUserId); 11708 } 11709 } 11710 11711 @Override 11712 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11713 Intent intent = new Intent(Intent.ACTION_MAIN); 11714 intent.addCategory(Intent.CATEGORY_HOME); 11715 11716 final int callingUserId = UserHandle.getCallingUserId(); 11717 List<ResolveInfo> list = queryIntentActivities(intent, null, 11718 PackageManager.GET_META_DATA, callingUserId); 11719 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11720 true, false, false, callingUserId); 11721 11722 allHomeCandidates.clear(); 11723 if (list != null) { 11724 for (ResolveInfo ri : list) { 11725 allHomeCandidates.add(ri); 11726 } 11727 } 11728 return (preferred == null || preferred.activityInfo == null) 11729 ? null 11730 : new ComponentName(preferred.activityInfo.packageName, 11731 preferred.activityInfo.name); 11732 } 11733 11734 @Override 11735 public void setApplicationEnabledSetting(String appPackageName, 11736 int newState, int flags, int userId, String callingPackage) { 11737 if (!sUserManager.exists(userId)) return; 11738 if (callingPackage == null) { 11739 callingPackage = Integer.toString(Binder.getCallingUid()); 11740 } 11741 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11742 } 11743 11744 @Override 11745 public void setComponentEnabledSetting(ComponentName componentName, 11746 int newState, int flags, int userId) { 11747 if (!sUserManager.exists(userId)) return; 11748 setEnabledSetting(componentName.getPackageName(), 11749 componentName.getClassName(), newState, flags, userId, null); 11750 } 11751 11752 private void setEnabledSetting(final String packageName, String className, int newState, 11753 final int flags, int userId, String callingPackage) { 11754 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11755 || newState == COMPONENT_ENABLED_STATE_ENABLED 11756 || newState == COMPONENT_ENABLED_STATE_DISABLED 11757 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11758 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11759 throw new IllegalArgumentException("Invalid new component state: " 11760 + newState); 11761 } 11762 PackageSetting pkgSetting; 11763 final int uid = Binder.getCallingUid(); 11764 final int permission = mContext.checkCallingOrSelfPermission( 11765 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11766 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11767 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11768 boolean sendNow = false; 11769 boolean isApp = (className == null); 11770 String componentName = isApp ? packageName : className; 11771 int packageUid = -1; 11772 ArrayList<String> components; 11773 11774 // writer 11775 synchronized (mPackages) { 11776 pkgSetting = mSettings.mPackages.get(packageName); 11777 if (pkgSetting == null) { 11778 if (className == null) { 11779 throw new IllegalArgumentException( 11780 "Unknown package: " + packageName); 11781 } 11782 throw new IllegalArgumentException( 11783 "Unknown component: " + packageName 11784 + "/" + className); 11785 } 11786 // Allow root and verify that userId is not being specified by a different user 11787 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11788 throw new SecurityException( 11789 "Permission Denial: attempt to change component state from pid=" 11790 + Binder.getCallingPid() 11791 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11792 } 11793 if (className == null) { 11794 // We're dealing with an application/package level state change 11795 if (pkgSetting.getEnabled(userId) == newState) { 11796 // Nothing to do 11797 return; 11798 } 11799 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11800 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11801 // Don't care about who enables an app. 11802 callingPackage = null; 11803 } 11804 pkgSetting.setEnabled(newState, userId, callingPackage); 11805 // pkgSetting.pkg.mSetEnabled = newState; 11806 } else { 11807 // We're dealing with a component level state change 11808 // First, verify that this is a valid class name. 11809 PackageParser.Package pkg = pkgSetting.pkg; 11810 if (pkg == null || !pkg.hasComponentClassName(className)) { 11811 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11812 throw new IllegalArgumentException("Component class " + className 11813 + " does not exist in " + packageName); 11814 } else { 11815 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11816 + className + " does not exist in " + packageName); 11817 } 11818 } 11819 switch (newState) { 11820 case COMPONENT_ENABLED_STATE_ENABLED: 11821 if (!pkgSetting.enableComponentLPw(className, userId)) { 11822 return; 11823 } 11824 break; 11825 case COMPONENT_ENABLED_STATE_DISABLED: 11826 if (!pkgSetting.disableComponentLPw(className, userId)) { 11827 return; 11828 } 11829 break; 11830 case COMPONENT_ENABLED_STATE_DEFAULT: 11831 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11832 return; 11833 } 11834 break; 11835 default: 11836 Slog.e(TAG, "Invalid new component state: " + newState); 11837 return; 11838 } 11839 } 11840 mSettings.writePackageRestrictionsLPr(userId); 11841 components = mPendingBroadcasts.get(userId, packageName); 11842 final boolean newPackage = components == null; 11843 if (newPackage) { 11844 components = new ArrayList<String>(); 11845 } 11846 if (!components.contains(componentName)) { 11847 components.add(componentName); 11848 } 11849 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11850 sendNow = true; 11851 // Purge entry from pending broadcast list if another one exists already 11852 // since we are sending one right away. 11853 mPendingBroadcasts.remove(userId, packageName); 11854 } else { 11855 if (newPackage) { 11856 mPendingBroadcasts.put(userId, packageName, components); 11857 } 11858 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11859 // Schedule a message 11860 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11861 } 11862 } 11863 } 11864 11865 long callingId = Binder.clearCallingIdentity(); 11866 try { 11867 if (sendNow) { 11868 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11869 sendPackageChangedBroadcast(packageName, 11870 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11871 } 11872 } finally { 11873 Binder.restoreCallingIdentity(callingId); 11874 } 11875 } 11876 11877 private void sendPackageChangedBroadcast(String packageName, 11878 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11879 if (DEBUG_INSTALL) 11880 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11881 + componentNames); 11882 Bundle extras = new Bundle(4); 11883 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11884 String nameList[] = new String[componentNames.size()]; 11885 componentNames.toArray(nameList); 11886 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11887 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11888 extras.putInt(Intent.EXTRA_UID, packageUid); 11889 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11890 new int[] {UserHandle.getUserId(packageUid)}); 11891 } 11892 11893 @Override 11894 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11895 if (!sUserManager.exists(userId)) return; 11896 final int uid = Binder.getCallingUid(); 11897 final int permission = mContext.checkCallingOrSelfPermission( 11898 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11899 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11900 enforceCrossUserPermission(uid, userId, true, "stop package"); 11901 // writer 11902 synchronized (mPackages) { 11903 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11904 uid, userId)) { 11905 scheduleWritePackageRestrictionsLocked(userId); 11906 } 11907 } 11908 } 11909 11910 @Override 11911 public String getInstallerPackageName(String packageName) { 11912 // reader 11913 synchronized (mPackages) { 11914 return mSettings.getInstallerPackageNameLPr(packageName); 11915 } 11916 } 11917 11918 @Override 11919 public int getApplicationEnabledSetting(String packageName, int userId) { 11920 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11921 int uid = Binder.getCallingUid(); 11922 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11923 // reader 11924 synchronized (mPackages) { 11925 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11926 } 11927 } 11928 11929 @Override 11930 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11931 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11932 int uid = Binder.getCallingUid(); 11933 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11934 // reader 11935 synchronized (mPackages) { 11936 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11937 } 11938 } 11939 11940 @Override 11941 public void enterSafeMode() { 11942 enforceSystemOrRoot("Only the system can request entering safe mode"); 11943 11944 if (!mSystemReady) { 11945 mSafeMode = true; 11946 } 11947 } 11948 11949 @Override 11950 public void systemReady() { 11951 mSystemReady = true; 11952 11953 // Read the compatibilty setting when the system is ready. 11954 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11955 mContext.getContentResolver(), 11956 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11957 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11958 if (DEBUG_SETTINGS) { 11959 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11960 } 11961 11962 synchronized (mPackages) { 11963 // Verify that all of the preferred activity components actually 11964 // exist. It is possible for applications to be updated and at 11965 // that point remove a previously declared activity component that 11966 // had been set as a preferred activity. We try to clean this up 11967 // the next time we encounter that preferred activity, but it is 11968 // possible for the user flow to never be able to return to that 11969 // situation so here we do a sanity check to make sure we haven't 11970 // left any junk around. 11971 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11972 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11973 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11974 removed.clear(); 11975 for (PreferredActivity pa : pir.filterSet()) { 11976 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11977 removed.add(pa); 11978 } 11979 } 11980 if (removed.size() > 0) { 11981 for (int r=0; r<removed.size(); r++) { 11982 PreferredActivity pa = removed.get(r); 11983 Slog.w(TAG, "Removing dangling preferred activity: " 11984 + pa.mPref.mComponent); 11985 pir.removeFilter(pa); 11986 } 11987 mSettings.writePackageRestrictionsLPr( 11988 mSettings.mPreferredActivities.keyAt(i)); 11989 } 11990 } 11991 } 11992 sUserManager.systemReady(); 11993 } 11994 11995 @Override 11996 public boolean isSafeMode() { 11997 return mSafeMode; 11998 } 11999 12000 @Override 12001 public boolean hasSystemUidErrors() { 12002 return mHasSystemUidErrors; 12003 } 12004 12005 static String arrayToString(int[] array) { 12006 StringBuffer buf = new StringBuffer(128); 12007 buf.append('['); 12008 if (array != null) { 12009 for (int i=0; i<array.length; i++) { 12010 if (i > 0) buf.append(", "); 12011 buf.append(array[i]); 12012 } 12013 } 12014 buf.append(']'); 12015 return buf.toString(); 12016 } 12017 12018 static class DumpState { 12019 public static final int DUMP_LIBS = 1 << 0; 12020 public static final int DUMP_FEATURES = 1 << 1; 12021 public static final int DUMP_RESOLVERS = 1 << 2; 12022 public static final int DUMP_PERMISSIONS = 1 << 3; 12023 public static final int DUMP_PACKAGES = 1 << 4; 12024 public static final int DUMP_SHARED_USERS = 1 << 5; 12025 public static final int DUMP_MESSAGES = 1 << 6; 12026 public static final int DUMP_PROVIDERS = 1 << 7; 12027 public static final int DUMP_VERIFIERS = 1 << 8; 12028 public static final int DUMP_PREFERRED = 1 << 9; 12029 public static final int DUMP_PREFERRED_XML = 1 << 10; 12030 public static final int DUMP_KEYSETS = 1 << 11; 12031 public static final int DUMP_VERSION = 1 << 12; 12032 public static final int DUMP_INSTALLS = 1 << 13; 12033 12034 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12035 12036 private int mTypes; 12037 12038 private int mOptions; 12039 12040 private boolean mTitlePrinted; 12041 12042 private SharedUserSetting mSharedUser; 12043 12044 public boolean isDumping(int type) { 12045 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12046 return true; 12047 } 12048 12049 return (mTypes & type) != 0; 12050 } 12051 12052 public void setDump(int type) { 12053 mTypes |= type; 12054 } 12055 12056 public boolean isOptionEnabled(int option) { 12057 return (mOptions & option) != 0; 12058 } 12059 12060 public void setOptionEnabled(int option) { 12061 mOptions |= option; 12062 } 12063 12064 public boolean onTitlePrinted() { 12065 final boolean printed = mTitlePrinted; 12066 mTitlePrinted = true; 12067 return printed; 12068 } 12069 12070 public boolean getTitlePrinted() { 12071 return mTitlePrinted; 12072 } 12073 12074 public void setTitlePrinted(boolean enabled) { 12075 mTitlePrinted = enabled; 12076 } 12077 12078 public SharedUserSetting getSharedUser() { 12079 return mSharedUser; 12080 } 12081 12082 public void setSharedUser(SharedUserSetting user) { 12083 mSharedUser = user; 12084 } 12085 } 12086 12087 @Override 12088 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12089 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12090 != PackageManager.PERMISSION_GRANTED) { 12091 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12092 + Binder.getCallingPid() 12093 + ", uid=" + Binder.getCallingUid() 12094 + " without permission " 12095 + android.Manifest.permission.DUMP); 12096 return; 12097 } 12098 12099 DumpState dumpState = new DumpState(); 12100 boolean fullPreferred = false; 12101 boolean checkin = false; 12102 12103 String packageName = null; 12104 12105 int opti = 0; 12106 while (opti < args.length) { 12107 String opt = args[opti]; 12108 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12109 break; 12110 } 12111 opti++; 12112 if ("-a".equals(opt)) { 12113 // Right now we only know how to print all. 12114 } else if ("-h".equals(opt)) { 12115 pw.println("Package manager dump options:"); 12116 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12117 pw.println(" --checkin: dump for a checkin"); 12118 pw.println(" -f: print details of intent filters"); 12119 pw.println(" -h: print this help"); 12120 pw.println(" cmd may be one of:"); 12121 pw.println(" l[ibraries]: list known shared libraries"); 12122 pw.println(" f[ibraries]: list device features"); 12123 pw.println(" k[eysets]: print known keysets"); 12124 pw.println(" r[esolvers]: dump intent resolvers"); 12125 pw.println(" perm[issions]: dump permissions"); 12126 pw.println(" pref[erred]: print preferred package settings"); 12127 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12128 pw.println(" prov[iders]: dump content providers"); 12129 pw.println(" p[ackages]: dump installed packages"); 12130 pw.println(" s[hared-users]: dump shared user IDs"); 12131 pw.println(" m[essages]: print collected runtime messages"); 12132 pw.println(" v[erifiers]: print package verifier info"); 12133 pw.println(" version: print database version info"); 12134 pw.println(" write: write current settings now"); 12135 pw.println(" <package.name>: info about given package"); 12136 pw.println(" installs: details about install sessions"); 12137 return; 12138 } else if ("--checkin".equals(opt)) { 12139 checkin = true; 12140 } else if ("-f".equals(opt)) { 12141 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12142 } else { 12143 pw.println("Unknown argument: " + opt + "; use -h for help"); 12144 } 12145 } 12146 12147 // Is the caller requesting to dump a particular piece of data? 12148 if (opti < args.length) { 12149 String cmd = args[opti]; 12150 opti++; 12151 // Is this a package name? 12152 if ("android".equals(cmd) || cmd.contains(".")) { 12153 packageName = cmd; 12154 // When dumping a single package, we always dump all of its 12155 // filter information since the amount of data will be reasonable. 12156 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12157 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12158 dumpState.setDump(DumpState.DUMP_LIBS); 12159 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12160 dumpState.setDump(DumpState.DUMP_FEATURES); 12161 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12162 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12163 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12164 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12165 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12166 dumpState.setDump(DumpState.DUMP_PREFERRED); 12167 } else if ("preferred-xml".equals(cmd)) { 12168 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12169 if (opti < args.length && "--full".equals(args[opti])) { 12170 fullPreferred = true; 12171 opti++; 12172 } 12173 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12174 dumpState.setDump(DumpState.DUMP_PACKAGES); 12175 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12176 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12177 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12178 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12179 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12180 dumpState.setDump(DumpState.DUMP_MESSAGES); 12181 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12182 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12183 } else if ("version".equals(cmd)) { 12184 dumpState.setDump(DumpState.DUMP_VERSION); 12185 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12186 dumpState.setDump(DumpState.DUMP_KEYSETS); 12187 } else if ("write".equals(cmd)) { 12188 synchronized (mPackages) { 12189 mSettings.writeLPr(); 12190 pw.println("Settings written."); 12191 return; 12192 } 12193 } else if ("installs".equals(cmd)) { 12194 dumpState.setDump(DumpState.DUMP_INSTALLS); 12195 } 12196 } 12197 12198 if (checkin) { 12199 pw.println("vers,1"); 12200 } 12201 12202 // reader 12203 synchronized (mPackages) { 12204 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12205 if (!checkin) { 12206 if (dumpState.onTitlePrinted()) 12207 pw.println(); 12208 pw.println("Database versions:"); 12209 pw.print(" SDK Version:"); 12210 pw.print(" internal="); 12211 pw.print(mSettings.mInternalSdkPlatform); 12212 pw.print(" external="); 12213 pw.println(mSettings.mExternalSdkPlatform); 12214 pw.print(" DB Version:"); 12215 pw.print(" internal="); 12216 pw.print(mSettings.mInternalDatabaseVersion); 12217 pw.print(" external="); 12218 pw.println(mSettings.mExternalDatabaseVersion); 12219 } 12220 } 12221 12222 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12223 if (!checkin) { 12224 if (dumpState.onTitlePrinted()) 12225 pw.println(); 12226 pw.println("Verifiers:"); 12227 pw.print(" Required: "); 12228 pw.print(mRequiredVerifierPackage); 12229 pw.print(" (uid="); 12230 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12231 pw.println(")"); 12232 } else if (mRequiredVerifierPackage != null) { 12233 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12234 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12235 } 12236 } 12237 12238 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12239 boolean printedHeader = false; 12240 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12241 while (it.hasNext()) { 12242 String name = it.next(); 12243 SharedLibraryEntry ent = mSharedLibraries.get(name); 12244 if (!checkin) { 12245 if (!printedHeader) { 12246 if (dumpState.onTitlePrinted()) 12247 pw.println(); 12248 pw.println("Libraries:"); 12249 printedHeader = true; 12250 } 12251 pw.print(" "); 12252 } else { 12253 pw.print("lib,"); 12254 } 12255 pw.print(name); 12256 if (!checkin) { 12257 pw.print(" -> "); 12258 } 12259 if (ent.path != null) { 12260 if (!checkin) { 12261 pw.print("(jar) "); 12262 pw.print(ent.path); 12263 } else { 12264 pw.print(",jar,"); 12265 pw.print(ent.path); 12266 } 12267 } else { 12268 if (!checkin) { 12269 pw.print("(apk) "); 12270 pw.print(ent.apk); 12271 } else { 12272 pw.print(",apk,"); 12273 pw.print(ent.apk); 12274 } 12275 } 12276 pw.println(); 12277 } 12278 } 12279 12280 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12281 if (dumpState.onTitlePrinted()) 12282 pw.println(); 12283 if (!checkin) { 12284 pw.println("Features:"); 12285 } 12286 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12287 while (it.hasNext()) { 12288 String name = it.next(); 12289 if (!checkin) { 12290 pw.print(" "); 12291 } else { 12292 pw.print("feat,"); 12293 } 12294 pw.println(name); 12295 } 12296 } 12297 12298 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12299 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12300 : "Activity Resolver Table:", " ", packageName, 12301 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12302 dumpState.setTitlePrinted(true); 12303 } 12304 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12305 : "Receiver Resolver Table:", " ", packageName, 12306 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12307 dumpState.setTitlePrinted(true); 12308 } 12309 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12310 : "Service Resolver Table:", " ", packageName, 12311 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12312 dumpState.setTitlePrinted(true); 12313 } 12314 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12315 : "Provider Resolver Table:", " ", packageName, 12316 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12317 dumpState.setTitlePrinted(true); 12318 } 12319 } 12320 12321 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12322 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12323 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12324 int user = mSettings.mPreferredActivities.keyAt(i); 12325 if (pir.dump(pw, 12326 dumpState.getTitlePrinted() 12327 ? "\nPreferred Activities User " + user + ":" 12328 : "Preferred Activities User " + user + ":", " ", 12329 packageName, true)) { 12330 dumpState.setTitlePrinted(true); 12331 } 12332 } 12333 } 12334 12335 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12336 pw.flush(); 12337 FileOutputStream fout = new FileOutputStream(fd); 12338 BufferedOutputStream str = new BufferedOutputStream(fout); 12339 XmlSerializer serializer = new FastXmlSerializer(); 12340 try { 12341 serializer.setOutput(str, "utf-8"); 12342 serializer.startDocument(null, true); 12343 serializer.setFeature( 12344 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12345 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12346 serializer.endDocument(); 12347 serializer.flush(); 12348 } catch (IllegalArgumentException e) { 12349 pw.println("Failed writing: " + e); 12350 } catch (IllegalStateException e) { 12351 pw.println("Failed writing: " + e); 12352 } catch (IOException e) { 12353 pw.println("Failed writing: " + e); 12354 } 12355 } 12356 12357 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12358 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12359 } 12360 12361 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12362 boolean printedSomething = false; 12363 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12364 if (packageName != null && !packageName.equals(p.info.packageName)) { 12365 continue; 12366 } 12367 if (!printedSomething) { 12368 if (dumpState.onTitlePrinted()) 12369 pw.println(); 12370 pw.println("Registered ContentProviders:"); 12371 printedSomething = true; 12372 } 12373 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12374 pw.print(" "); pw.println(p.toString()); 12375 } 12376 printedSomething = false; 12377 for (Map.Entry<String, PackageParser.Provider> entry : 12378 mProvidersByAuthority.entrySet()) { 12379 PackageParser.Provider p = entry.getValue(); 12380 if (packageName != null && !packageName.equals(p.info.packageName)) { 12381 continue; 12382 } 12383 if (!printedSomething) { 12384 if (dumpState.onTitlePrinted()) 12385 pw.println(); 12386 pw.println("ContentProvider Authorities:"); 12387 printedSomething = true; 12388 } 12389 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12390 pw.print(" "); pw.println(p.toString()); 12391 if (p.info != null && p.info.applicationInfo != null) { 12392 final String appInfo = p.info.applicationInfo.toString(); 12393 pw.print(" applicationInfo="); pw.println(appInfo); 12394 } 12395 } 12396 } 12397 12398 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12399 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12400 } 12401 12402 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12403 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12404 } 12405 12406 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12407 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12408 } 12409 12410 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS)) { 12411 if (dumpState.onTitlePrinted()) pw.println(); 12412 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12413 } 12414 12415 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12416 if (dumpState.onTitlePrinted()) pw.println(); 12417 mSettings.dumpReadMessagesLPr(pw, dumpState); 12418 12419 pw.println(); 12420 pw.println("Package warning messages:"); 12421 final File fname = getSettingsProblemFile(); 12422 FileInputStream in = null; 12423 try { 12424 in = new FileInputStream(fname); 12425 final int avail = in.available(); 12426 final byte[] data = new byte[avail]; 12427 in.read(data); 12428 pw.print(new String(data)); 12429 } catch (FileNotFoundException e) { 12430 } catch (IOException e) { 12431 } finally { 12432 if (in != null) { 12433 try { 12434 in.close(); 12435 } catch (IOException e) { 12436 } 12437 } 12438 } 12439 } 12440 } 12441 } 12442 12443 // ------- apps on sdcard specific code ------- 12444 static final boolean DEBUG_SD_INSTALL = false; 12445 12446 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12447 12448 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12449 12450 private boolean mMediaMounted = false; 12451 12452 private String getEncryptKey() { 12453 try { 12454 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12455 SD_ENCRYPTION_KEYSTORE_NAME); 12456 if (sdEncKey == null) { 12457 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12458 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12459 if (sdEncKey == null) { 12460 Slog.e(TAG, "Failed to create encryption keys"); 12461 return null; 12462 } 12463 } 12464 return sdEncKey; 12465 } catch (NoSuchAlgorithmException nsae) { 12466 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12467 return null; 12468 } catch (IOException ioe) { 12469 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12470 return null; 12471 } 12472 12473 } 12474 12475 /* package */static String getTempContainerId() { 12476 int tmpIdx = 1; 12477 String list[] = PackageHelper.getSecureContainerList(); 12478 if (list != null) { 12479 for (final String name : list) { 12480 // Ignore null and non-temporary container entries 12481 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12482 continue; 12483 } 12484 12485 String subStr = name.substring(mTempContainerPrefix.length()); 12486 try { 12487 int cid = Integer.parseInt(subStr); 12488 if (cid >= tmpIdx) { 12489 tmpIdx = cid + 1; 12490 } 12491 } catch (NumberFormatException e) { 12492 } 12493 } 12494 } 12495 return mTempContainerPrefix + tmpIdx; 12496 } 12497 12498 /* 12499 * Update media status on PackageManager. 12500 */ 12501 @Override 12502 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12503 int callingUid = Binder.getCallingUid(); 12504 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12505 throw new SecurityException("Media status can only be updated by the system"); 12506 } 12507 // reader; this apparently protects mMediaMounted, but should probably 12508 // be a different lock in that case. 12509 synchronized (mPackages) { 12510 Log.i(TAG, "Updating external media status from " 12511 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12512 + (mediaStatus ? "mounted" : "unmounted")); 12513 if (DEBUG_SD_INSTALL) 12514 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12515 + ", mMediaMounted=" + mMediaMounted); 12516 if (mediaStatus == mMediaMounted) { 12517 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12518 : 0, -1); 12519 mHandler.sendMessage(msg); 12520 return; 12521 } 12522 mMediaMounted = mediaStatus; 12523 } 12524 // Queue up an async operation since the package installation may take a 12525 // little while. 12526 mHandler.post(new Runnable() { 12527 public void run() { 12528 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12529 } 12530 }); 12531 } 12532 12533 /** 12534 * Called by MountService when the initial ASECs to scan are available. 12535 * Should block until all the ASEC containers are finished being scanned. 12536 */ 12537 public void scanAvailableAsecs() { 12538 updateExternalMediaStatusInner(true, false, false); 12539 if (mShouldRestoreconData) { 12540 SELinuxMMAC.setRestoreconDone(); 12541 mShouldRestoreconData = false; 12542 } 12543 } 12544 12545 /* 12546 * Collect information of applications on external media, map them against 12547 * existing containers and update information based on current mount status. 12548 * Please note that we always have to report status if reportStatus has been 12549 * set to true especially when unloading packages. 12550 */ 12551 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12552 boolean externalStorage) { 12553 // Collection of uids 12554 int uidArr[] = null; 12555 // Collection of stale containers 12556 HashSet<String> removeCids = new HashSet<String>(); 12557 // Collection of packages on external media with valid containers. 12558 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12559 // Get list of secure containers. 12560 final String list[] = PackageHelper.getSecureContainerList(); 12561 if (list == null || list.length == 0) { 12562 Log.i(TAG, "No secure containers on sdcard"); 12563 } else { 12564 // Process list of secure containers and categorize them 12565 // as active or stale based on their package internal state. 12566 int uidList[] = new int[list.length]; 12567 int num = 0; 12568 // reader 12569 synchronized (mPackages) { 12570 for (String cid : list) { 12571 if (DEBUG_SD_INSTALL) 12572 Log.i(TAG, "Processing container " + cid); 12573 String pkgName = getAsecPackageName(cid); 12574 if (pkgName == null) { 12575 if (DEBUG_SD_INSTALL) 12576 Log.i(TAG, "Container : " + cid + " stale"); 12577 removeCids.add(cid); 12578 continue; 12579 } 12580 if (DEBUG_SD_INSTALL) 12581 Log.i(TAG, "Looking for pkg : " + pkgName); 12582 12583 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12584 if (ps == null) { 12585 Log.i(TAG, "Deleting container with no matching settings " + cid); 12586 removeCids.add(cid); 12587 continue; 12588 } 12589 12590 /* 12591 * Skip packages that are not external if we're unmounting 12592 * external storage. 12593 */ 12594 if (externalStorage && !isMounted && !isExternal(ps)) { 12595 continue; 12596 } 12597 12598 final AsecInstallArgs args = new AsecInstallArgs(cid, 12599 getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps)); 12600 // The package status is changed only if the code path 12601 // matches between settings and the container id. 12602 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12603 if (DEBUG_SD_INSTALL) { 12604 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12605 + " at code path: " + ps.codePathString); 12606 } 12607 12608 // We do have a valid package installed on sdcard 12609 processCids.put(args, ps.codePathString); 12610 final int uid = ps.appId; 12611 if (uid != -1) { 12612 uidList[num++] = uid; 12613 } 12614 } else { 12615 Log.i(TAG, "Deleting stale container for " + cid); 12616 removeCids.add(cid); 12617 } 12618 } 12619 } 12620 12621 if (num > 0) { 12622 // Sort uid list 12623 Arrays.sort(uidList, 0, num); 12624 // Throw away duplicates 12625 uidArr = new int[num]; 12626 uidArr[0] = uidList[0]; 12627 int di = 0; 12628 for (int i = 1; i < num; i++) { 12629 if (uidList[i - 1] != uidList[i]) { 12630 uidArr[di++] = uidList[i]; 12631 } 12632 } 12633 } 12634 } 12635 // Process packages with valid entries. 12636 if (isMounted) { 12637 if (DEBUG_SD_INSTALL) 12638 Log.i(TAG, "Loading packages"); 12639 loadMediaPackages(processCids, uidArr, removeCids); 12640 startCleaningPackages(); 12641 } else { 12642 if (DEBUG_SD_INSTALL) 12643 Log.i(TAG, "Unloading packages"); 12644 unloadMediaPackages(processCids, uidArr, reportStatus); 12645 } 12646 } 12647 12648 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12649 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12650 int size = pkgList.size(); 12651 if (size > 0) { 12652 // Send broadcasts here 12653 Bundle extras = new Bundle(); 12654 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12655 .toArray(new String[size])); 12656 if (uidArr != null) { 12657 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12658 } 12659 if (replacing) { 12660 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12661 } 12662 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12663 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12664 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12665 } 12666 } 12667 12668 /* 12669 * Look at potentially valid container ids from processCids If package 12670 * information doesn't match the one on record or package scanning fails, 12671 * the cid is added to list of removeCids. We currently don't delete stale 12672 * containers. 12673 */ 12674 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12675 HashSet<String> removeCids) { 12676 ArrayList<String> pkgList = new ArrayList<String>(); 12677 Set<AsecInstallArgs> keys = processCids.keySet(); 12678 boolean doGc = false; 12679 for (AsecInstallArgs args : keys) { 12680 String codePath = processCids.get(args); 12681 if (DEBUG_SD_INSTALL) 12682 Log.i(TAG, "Loading container : " + args.cid); 12683 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12684 try { 12685 // Make sure there are no container errors first. 12686 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12687 Slog.e(TAG, "Failed to mount cid : " + args.cid 12688 + " when installing from sdcard"); 12689 continue; 12690 } 12691 // Check code path here. 12692 if (codePath == null || !codePath.equals(args.getCodePath())) { 12693 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12694 + " does not match one in settings " + codePath); 12695 continue; 12696 } 12697 // Parse package 12698 int parseFlags = mDefParseFlags; 12699 if (args.isExternal()) { 12700 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12701 } 12702 if (args.isFwdLocked()) { 12703 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12704 } 12705 12706 doGc = true; 12707 synchronized (mInstallLock) { 12708 PackageParser.Package pkg = null; 12709 try { 12710 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null, null); 12711 } catch (PackageManagerException e) { 12712 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12713 } 12714 // Scan the package 12715 if (pkg != null) { 12716 /* 12717 * TODO why is the lock being held? doPostInstall is 12718 * called in other places without the lock. This needs 12719 * to be straightened out. 12720 */ 12721 // writer 12722 synchronized (mPackages) { 12723 retCode = PackageManager.INSTALL_SUCCEEDED; 12724 pkgList.add(pkg.packageName); 12725 // Post process args 12726 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12727 pkg.applicationInfo.uid); 12728 } 12729 } else { 12730 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12731 } 12732 } 12733 12734 } finally { 12735 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12736 // Don't destroy container here. Wait till gc clears things 12737 // up. 12738 removeCids.add(args.cid); 12739 } 12740 } 12741 } 12742 // writer 12743 synchronized (mPackages) { 12744 // If the platform SDK has changed since the last time we booted, 12745 // we need to re-grant app permission to catch any new ones that 12746 // appear. This is really a hack, and means that apps can in some 12747 // cases get permissions that the user didn't initially explicitly 12748 // allow... it would be nice to have some better way to handle 12749 // this situation. 12750 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12751 if (regrantPermissions) 12752 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12753 + mSdkVersion + "; regranting permissions for external storage"); 12754 mSettings.mExternalSdkPlatform = mSdkVersion; 12755 12756 // Make sure group IDs have been assigned, and any permission 12757 // changes in other apps are accounted for 12758 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12759 | (regrantPermissions 12760 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12761 : 0)); 12762 12763 mSettings.updateExternalDatabaseVersion(); 12764 12765 // can downgrade to reader 12766 // Persist settings 12767 mSettings.writeLPr(); 12768 } 12769 // Send a broadcast to let everyone know we are done processing 12770 if (pkgList.size() > 0) { 12771 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12772 } 12773 // Force gc to avoid any stale parser references that we might have. 12774 if (doGc) { 12775 Runtime.getRuntime().gc(); 12776 } 12777 // List stale containers and destroy stale temporary containers. 12778 if (removeCids != null) { 12779 for (String cid : removeCids) { 12780 if (cid.startsWith(mTempContainerPrefix)) { 12781 Log.i(TAG, "Destroying stale temporary container " + cid); 12782 PackageHelper.destroySdDir(cid); 12783 } else { 12784 Log.w(TAG, "Container " + cid + " is stale"); 12785 } 12786 } 12787 } 12788 } 12789 12790 /* 12791 * Utility method to unload a list of specified containers 12792 */ 12793 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12794 // Just unmount all valid containers. 12795 for (AsecInstallArgs arg : cidArgs) { 12796 synchronized (mInstallLock) { 12797 arg.doPostDeleteLI(false); 12798 } 12799 } 12800 } 12801 12802 /* 12803 * Unload packages mounted on external media. This involves deleting package 12804 * data from internal structures, sending broadcasts about diabled packages, 12805 * gc'ing to free up references, unmounting all secure containers 12806 * corresponding to packages on external media, and posting a 12807 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12808 * that we always have to post this message if status has been requested no 12809 * matter what. 12810 */ 12811 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12812 final boolean reportStatus) { 12813 if (DEBUG_SD_INSTALL) 12814 Log.i(TAG, "unloading media packages"); 12815 ArrayList<String> pkgList = new ArrayList<String>(); 12816 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12817 final Set<AsecInstallArgs> keys = processCids.keySet(); 12818 for (AsecInstallArgs args : keys) { 12819 String pkgName = args.getPackageName(); 12820 if (DEBUG_SD_INSTALL) 12821 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12822 // Delete package internally 12823 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12824 synchronized (mInstallLock) { 12825 boolean res = deletePackageLI(pkgName, null, false, null, null, 12826 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12827 if (res) { 12828 pkgList.add(pkgName); 12829 } else { 12830 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12831 failedList.add(args); 12832 } 12833 } 12834 } 12835 12836 // reader 12837 synchronized (mPackages) { 12838 // We didn't update the settings after removing each package; 12839 // write them now for all packages. 12840 mSettings.writeLPr(); 12841 } 12842 12843 // We have to absolutely send UPDATED_MEDIA_STATUS only 12844 // after confirming that all the receivers processed the ordered 12845 // broadcast when packages get disabled, force a gc to clean things up. 12846 // and unload all the containers. 12847 if (pkgList.size() > 0) { 12848 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12849 new IIntentReceiver.Stub() { 12850 public void performReceive(Intent intent, int resultCode, String data, 12851 Bundle extras, boolean ordered, boolean sticky, 12852 int sendingUser) throws RemoteException { 12853 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12854 reportStatus ? 1 : 0, 1, keys); 12855 mHandler.sendMessage(msg); 12856 } 12857 }); 12858 } else { 12859 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12860 keys); 12861 mHandler.sendMessage(msg); 12862 } 12863 } 12864 12865 /** Binder call */ 12866 @Override 12867 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12868 final int flags) { 12869 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12870 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12871 int returnCode = PackageManager.MOVE_SUCCEEDED; 12872 int currFlags = 0; 12873 int newFlags = 0; 12874 // reader 12875 synchronized (mPackages) { 12876 PackageParser.Package pkg = mPackages.get(packageName); 12877 if (pkg == null) { 12878 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12879 } else { 12880 // Disable moving fwd locked apps and system packages 12881 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12882 Slog.w(TAG, "Cannot move system application"); 12883 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12884 } else if (pkg.mOperationPending) { 12885 Slog.w(TAG, "Attempt to move package which has pending operations"); 12886 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12887 } else { 12888 // Find install location first 12889 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12890 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12891 Slog.w(TAG, "Ambigous flags specified for move location."); 12892 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12893 } else { 12894 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12895 : PackageManager.INSTALL_INTERNAL; 12896 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12897 : PackageManager.INSTALL_INTERNAL; 12898 12899 if (newFlags == currFlags) { 12900 Slog.w(TAG, "No move required. Trying to move to same location"); 12901 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12902 } else { 12903 if (isForwardLocked(pkg)) { 12904 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12905 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12906 } 12907 } 12908 } 12909 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12910 pkg.mOperationPending = true; 12911 } 12912 } 12913 } 12914 12915 /* 12916 * TODO this next block probably shouldn't be inside the lock. We 12917 * can't guarantee these won't change after this is fired off 12918 * anyway. 12919 */ 12920 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12921 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false), 12922 returnCode); 12923 } else { 12924 Message msg = mHandler.obtainMessage(INIT_COPY); 12925 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 12926 final boolean multiArch = isMultiArch(pkg.applicationInfo); 12927 InstallArgs srcArgs = createInstallArgsForExisting(currFlags, 12928 pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(), 12929 pkg.applicationInfo.nativeLibraryRootDir, instructionSets, multiArch); 12930 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12931 instructionSets, pkg.applicationInfo.uid, user, multiArch); 12932 msg.obj = mp; 12933 mHandler.sendMessage(msg); 12934 } 12935 } 12936 } 12937 12938 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12939 // Queue up an async operation since the package deletion may take a 12940 // little while. 12941 mHandler.post(new Runnable() { 12942 public void run() { 12943 // TODO fix this; this does nothing. 12944 mHandler.removeCallbacks(this); 12945 int returnCode = currentStatus; 12946 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12947 int uidArr[] = null; 12948 ArrayList<String> pkgList = null; 12949 synchronized (mPackages) { 12950 PackageParser.Package pkg = mPackages.get(mp.packageName); 12951 if (pkg == null) { 12952 Slog.w(TAG, " Package " + mp.packageName 12953 + " doesn't exist. Aborting move"); 12954 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12955 } else if (!mp.srcArgs.getCodePath().equals( 12956 pkg.applicationInfo.getCodePath())) { 12957 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12958 + mp.srcArgs.getCodePath() + " to " 12959 + pkg.applicationInfo.getCodePath() 12960 + " Aborting move and returning error"); 12961 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12962 } else { 12963 uidArr = new int[] { 12964 pkg.applicationInfo.uid 12965 }; 12966 pkgList = new ArrayList<String>(); 12967 pkgList.add(mp.packageName); 12968 } 12969 } 12970 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12971 // Send resources unavailable broadcast 12972 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12973 // Update package code and resource paths 12974 synchronized (mInstallLock) { 12975 synchronized (mPackages) { 12976 PackageParser.Package pkg = mPackages.get(mp.packageName); 12977 // Recheck for package again. 12978 if (pkg == null) { 12979 Slog.w(TAG, " Package " + mp.packageName 12980 + " doesn't exist. Aborting move"); 12981 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12982 } else if (!mp.srcArgs.getCodePath().equals( 12983 pkg.applicationInfo.getCodePath())) { 12984 Slog.w(TAG, "Package " + mp.packageName 12985 + " code path changed from " + mp.srcArgs.getCodePath() 12986 + " to " + pkg.applicationInfo.getCodePath() 12987 + " Aborting move and returning error"); 12988 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12989 } else { 12990 final String oldCodePath = pkg.codePath; 12991 final String newCodePath = mp.targetArgs.getCodePath(); 12992 final String newResPath = mp.targetArgs.getResourcePath(); 12993 // TODO: This assumes the new style of installation. 12994 // should we look at legacyNativeLibraryPath ? 12995 final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath(); 12996 final File newNativeDir = new File(newNativeRoot); 12997 12998 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12999 // TODO(multiArch): Fix this so that it looks at the existing 13000 // recorded CPU abis from the package. There's no need for a separate 13001 // round of ABI scanning here. 13002 NativeLibraryHelper.Handle handle = null; 13003 try { 13004 handle = NativeLibraryHelper.Handle.create( 13005 new File(newCodePath)); 13006 final int abi = NativeLibraryHelper.findSupportedAbi( 13007 handle, Build.SUPPORTED_ABIS); 13008 if (abi >= 0) { 13009 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 13010 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 13011 } 13012 } catch (IOException ioe) { 13013 Slog.w(TAG, "Unable to extract native libs for package :" 13014 + mp.packageName, ioe); 13015 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13016 } finally { 13017 IoUtils.closeQuietly(handle); 13018 } 13019 } 13020 13021 final int[] users = sUserManager.getUserIds(); 13022 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13023 for (int user : users) { 13024 // TODO(multiArch): Fix this so that it links to the 13025 // correct directory. We're currently pointing to root. but we 13026 // must point to the arch specific subdirectory (if applicable). 13027 // 13028 // TODO(multiArch): Bogus reference to nativeLibraryDir. 13029 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 13030 newNativeRoot, user) < 0) { 13031 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13032 } 13033 } 13034 } 13035 13036 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13037 pkg.codePath = newCodePath; 13038 pkg.baseCodePath = newCodePath; 13039 // Move dex files around 13040 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13041 // Moving of dex files failed. Set 13042 // error code and abort move. 13043 pkg.codePath = oldCodePath; 13044 pkg.baseCodePath = oldCodePath; 13045 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13046 } 13047 } 13048 13049 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13050 pkg.applicationInfo.setCodePath(newCodePath); 13051 pkg.applicationInfo.setBaseCodePath(newCodePath); 13052 pkg.applicationInfo.setSplitCodePaths(null); 13053 pkg.applicationInfo.setResourcePath(newResPath); 13054 pkg.applicationInfo.setBaseResourcePath(newResPath); 13055 pkg.applicationInfo.setSplitResourcePaths(null); 13056 13057 PackageSetting ps = (PackageSetting) pkg.mExtras; 13058 ps.codePath = new File(pkg.applicationInfo.getCodePath()); 13059 ps.codePathString = ps.codePath.getPath(); 13060 ps.resourcePath = new File(pkg.applicationInfo.getResourcePath()); 13061 ps.resourcePathString = ps.resourcePath.getPath(); 13062 13063 // Note that we don't have to recalculate the primary and secondary 13064 // CPU ABIs because they must already have been calculated during the 13065 // initial install of the app. 13066 ps.legacyNativeLibraryPathString = null; 13067 13068 // Set the application info flag 13069 // correctly. 13070 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13071 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13072 } else { 13073 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13074 } 13075 ps.setFlags(pkg.applicationInfo.flags); 13076 mAppDirs.remove(oldCodePath); 13077 mAppDirs.put(newCodePath, pkg); 13078 // Persist settings 13079 mSettings.writeLPr(); 13080 } 13081 } 13082 } 13083 } 13084 // Send resources available broadcast 13085 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13086 } 13087 } 13088 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13089 // Clean up failed installation 13090 if (mp.targetArgs != null) { 13091 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13092 -1); 13093 } 13094 } else { 13095 // Force a gc to clear things up. 13096 Runtime.getRuntime().gc(); 13097 // Delete older code 13098 synchronized (mInstallLock) { 13099 mp.srcArgs.doPostDeleteLI(true); 13100 } 13101 } 13102 13103 // Allow more operations on this file if we didn't fail because 13104 // an operation was already pending for this package. 13105 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13106 synchronized (mPackages) { 13107 PackageParser.Package pkg = mPackages.get(mp.packageName); 13108 if (pkg != null) { 13109 pkg.mOperationPending = false; 13110 } 13111 } 13112 } 13113 13114 IPackageMoveObserver observer = mp.observer; 13115 if (observer != null) { 13116 try { 13117 observer.packageMoved(mp.packageName, returnCode); 13118 } catch (RemoteException e) { 13119 Log.i(TAG, "Observer no longer exists."); 13120 } 13121 } 13122 } 13123 }); 13124 } 13125 13126 @Override 13127 public boolean setInstallLocation(int loc) { 13128 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13129 null); 13130 if (getInstallLocation() == loc) { 13131 return true; 13132 } 13133 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13134 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13135 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13136 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13137 return true; 13138 } 13139 return false; 13140 } 13141 13142 @Override 13143 public int getInstallLocation() { 13144 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13145 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13146 PackageHelper.APP_INSTALL_AUTO); 13147 } 13148 13149 /** Called by UserManagerService */ 13150 void cleanUpUserLILPw(int userHandle) { 13151 mDirtyUsers.remove(userHandle); 13152 mSettings.removeUserLPw(userHandle); 13153 mPendingBroadcasts.remove(userHandle); 13154 if (mInstaller != null) { 13155 // Technically, we shouldn't be doing this with the package lock 13156 // held. However, this is very rare, and there is already so much 13157 // other disk I/O going on, that we'll let it slide for now. 13158 mInstaller.removeUserDataDirs(userHandle); 13159 } 13160 mUserNeedsBadging.delete(userHandle); 13161 } 13162 13163 /** Called by UserManagerService */ 13164 void createNewUserLILPw(int userHandle, File path) { 13165 if (mInstaller != null) { 13166 mInstaller.createUserConfig(userHandle); 13167 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13168 } 13169 } 13170 13171 @Override 13172 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13173 mContext.enforceCallingOrSelfPermission( 13174 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13175 "Only package verification agents can read the verifier device identity"); 13176 13177 synchronized (mPackages) { 13178 return mSettings.getVerifierDeviceIdentityLPw(); 13179 } 13180 } 13181 13182 @Override 13183 public void setPermissionEnforced(String permission, boolean enforced) { 13184 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13185 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13186 synchronized (mPackages) { 13187 if (mSettings.mReadExternalStorageEnforced == null 13188 || mSettings.mReadExternalStorageEnforced != enforced) { 13189 mSettings.mReadExternalStorageEnforced = enforced; 13190 mSettings.writeLPr(); 13191 } 13192 } 13193 // kill any non-foreground processes so we restart them and 13194 // grant/revoke the GID. 13195 final IActivityManager am = ActivityManagerNative.getDefault(); 13196 if (am != null) { 13197 final long token = Binder.clearCallingIdentity(); 13198 try { 13199 am.killProcessesBelowForeground("setPermissionEnforcement"); 13200 } catch (RemoteException e) { 13201 } finally { 13202 Binder.restoreCallingIdentity(token); 13203 } 13204 } 13205 } else { 13206 throw new IllegalArgumentException("No selective enforcement for " + permission); 13207 } 13208 } 13209 13210 @Override 13211 @Deprecated 13212 public boolean isPermissionEnforced(String permission) { 13213 return true; 13214 } 13215 13216 @Override 13217 public boolean isStorageLow() { 13218 final long token = Binder.clearCallingIdentity(); 13219 try { 13220 final DeviceStorageMonitorInternal 13221 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13222 if (dsm != null) { 13223 return dsm.isMemoryLow(); 13224 } else { 13225 return false; 13226 } 13227 } finally { 13228 Binder.restoreCallingIdentity(token); 13229 } 13230 } 13231 13232 @Override 13233 public IPackageInstaller getPackageInstaller() { 13234 return mInstallerService; 13235 } 13236 13237 private boolean userNeedsBadging(int userId) { 13238 int index = mUserNeedsBadging.indexOfKey(userId); 13239 if (index < 0) { 13240 final UserInfo userInfo; 13241 final long token = Binder.clearCallingIdentity(); 13242 try { 13243 userInfo = sUserManager.getUserInfo(userId); 13244 } finally { 13245 Binder.restoreCallingIdentity(token); 13246 } 13247 final boolean b; 13248 if (userInfo != null && userInfo.isManagedProfile()) { 13249 b = true; 13250 } else { 13251 b = false; 13252 } 13253 mUserNeedsBadging.put(userId, b); 13254 return b; 13255 } 13256 return mUserNeedsBadging.valueAt(index); 13257 } 13258 13259 @Override 13260 public KeySetHandle getKeySetByAlias(String packageName, String alias) { 13261 if (packageName == null || alias == null) { 13262 return null; 13263 } 13264 synchronized(mPackages) { 13265 final PackageParser.Package pkg = mPackages.get(packageName); 13266 if (pkg == null) { 13267 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13268 throw new IllegalArgumentException("Unknown package: " + packageName); 13269 } 13270 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13271 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13272 throw new SecurityException("May not access KeySets defined by" 13273 + " aliases in other applications."); 13274 } 13275 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13276 return ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias); 13277 } 13278 } 13279 13280 @Override 13281 public KeySetHandle getSigningKeySet(String packageName) { 13282 if (packageName == null) { 13283 return null; 13284 } 13285 synchronized(mPackages) { 13286 final PackageParser.Package pkg = mPackages.get(packageName); 13287 if (pkg == null) { 13288 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13289 throw new IllegalArgumentException("Unknown package: " + packageName); 13290 } 13291 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13292 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13293 throw new SecurityException("May not access signing KeySet of other apps."); 13294 } 13295 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13296 return ksms.getSigningKeySetByPackageNameLPr(packageName); 13297 } 13298 } 13299 13300 @Override 13301 public boolean isPackageSignedByKeySet(String packageName, IBinder ks) { 13302 if (packageName == null || ks == null) { 13303 return false; 13304 } 13305 synchronized(mPackages) { 13306 final PackageParser.Package pkg = mPackages.get(packageName); 13307 if (pkg == null) { 13308 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13309 throw new IllegalArgumentException("Unknown package: " + packageName); 13310 } 13311 if (ks instanceof KeySetHandle) { 13312 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13313 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ks); 13314 } 13315 return false; 13316 } 13317 } 13318 13319 @Override 13320 public boolean isPackageSignedByKeySetExactly(String packageName, IBinder ks) { 13321 if (packageName == null || ks == null) { 13322 return false; 13323 } 13324 synchronized(mPackages) { 13325 final PackageParser.Package pkg = mPackages.get(packageName); 13326 if (pkg == null) { 13327 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13328 throw new IllegalArgumentException("Unknown package: " + packageName); 13329 } 13330 if (ks instanceof KeySetHandle) { 13331 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13332 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ks); 13333 } 13334 return false; 13335 } 13336 } 13337} 13338