PackageManagerService.java revision 9d2f441f9bb2c8dcac1150e2cba1d15a86a4efb1
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.Log; 169import android.util.LogPrinter; 170import android.util.PrintStreamPrinter; 171import android.util.Slog; 172import android.util.SparseArray; 173import android.util.SparseBooleanArray; 174import android.view.Display; 175 176import java.io.BufferedInputStream; 177import java.io.BufferedOutputStream; 178import java.io.File; 179import java.io.FileDescriptor; 180import java.io.FileInputStream; 181import java.io.FileNotFoundException; 182import java.io.FileOutputStream; 183import java.io.FilenameFilter; 184import java.io.IOException; 185import java.io.InputStream; 186import java.io.PrintWriter; 187import java.nio.charset.StandardCharsets; 188import java.security.NoSuchAlgorithmException; 189import java.security.PublicKey; 190import java.security.cert.CertificateEncodingException; 191import java.security.cert.CertificateException; 192import java.text.SimpleDateFormat; 193import java.util.ArrayList; 194import java.util.Arrays; 195import java.util.Collection; 196import java.util.Collections; 197import java.util.Comparator; 198import java.util.Date; 199import java.util.HashMap; 200import java.util.HashSet; 201import java.util.Iterator; 202import java.util.List; 203import java.util.Map; 204import java.util.Set; 205import java.util.concurrent.atomic.AtomicBoolean; 206import java.util.concurrent.atomic.AtomicLong; 207 208import dalvik.system.DexFile; 209import dalvik.system.StaleDexCacheError; 210import dalvik.system.VMRuntime; 211 212import libcore.io.IoUtils; 213 214/** 215 * Keep track of all those .apks everywhere. 216 * 217 * This is very central to the platform's security; please run the unit 218 * tests whenever making modifications here: 219 * 220mmm frameworks/base/tests/AndroidTests 221adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 222adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 223 * 224 * {@hide} 225 */ 226public class PackageManagerService extends IPackageManager.Stub { 227 static final String TAG = "PackageManager"; 228 static final boolean DEBUG_SETTINGS = false; 229 static final boolean DEBUG_PREFERRED = false; 230 static final boolean DEBUG_UPGRADE = false; 231 private static final boolean DEBUG_INSTALL = false; 232 private static final boolean DEBUG_REMOVE = false; 233 private static final boolean DEBUG_BROADCASTS = false; 234 private static final boolean DEBUG_SHOW_INFO = false; 235 private static final boolean DEBUG_PACKAGE_INFO = false; 236 private static final boolean DEBUG_INTENT_MATCHING = false; 237 private static final boolean DEBUG_PACKAGE_SCANNING = false; 238 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 239 private static final boolean DEBUG_VERIFY = false; 240 private static final boolean DEBUG_DEXOPT = false; 241 private static final boolean DEBUG_ABI_SELECTION = false; 242 243 private static final int RADIO_UID = Process.PHONE_UID; 244 private static final int LOG_UID = Process.LOG_UID; 245 private static final int NFC_UID = Process.NFC_UID; 246 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 247 private static final int SHELL_UID = Process.SHELL_UID; 248 249 // Cap the size of permission trees that 3rd party apps can define 250 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 251 252 private static final int REMOVE_EVENTS = 253 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 254 private static final int ADD_EVENTS = 255 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 256 257 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 258 // Suffix used during package installation when copying/moving 259 // package apks to install directory. 260 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 261 262 static final int SCAN_MONITOR = 1<<0; 263 static final int SCAN_NO_DEX = 1<<1; 264 static final int SCAN_FORCE_DEX = 1<<2; 265 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 266 static final int SCAN_NEW_INSTALL = 1<<4; 267 static final int SCAN_NO_PATHS = 1<<5; 268 static final int SCAN_UPDATE_TIME = 1<<6; 269 static final int SCAN_DEFER_DEX = 1<<7; 270 static final int SCAN_BOOTING = 1<<8; 271 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 272 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 273 274 static final int REMOVE_CHATTY = 1<<16; 275 276 /** 277 * Timeout (in milliseconds) after which the watchdog should declare that 278 * our handler thread is wedged. The usual default for such things is one 279 * minute but we sometimes do very lengthy I/O operations on this thread, 280 * such as installing multi-gigabyte applications, so ours needs to be longer. 281 */ 282 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 283 284 /** 285 * Whether verification is enabled by default. 286 */ 287 private static final boolean DEFAULT_VERIFY_ENABLE = true; 288 289 /** 290 * The default maximum time to wait for the verification agent to return in 291 * milliseconds. 292 */ 293 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 294 295 /** 296 * The default response for package verification timeout. 297 * 298 * This can be either PackageManager.VERIFICATION_ALLOW or 299 * PackageManager.VERIFICATION_REJECT. 300 */ 301 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 302 303 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 304 305 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 306 DEFAULT_CONTAINER_PACKAGE, 307 "com.android.defcontainer.DefaultContainerService"); 308 309 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 310 311 private static final String LIB_DIR_NAME = "lib"; 312 private static final String LIB64_DIR_NAME = "lib64"; 313 314 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 315 316 static final String mTempContainerPrefix = "smdl2tmp"; 317 318 private static String sPreferredInstructionSet; 319 320 final ServiceThread mHandlerThread; 321 322 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 323 private static final String IDMAP_SUFFIX = "@idmap"; 324 325 final PackageHandler mHandler; 326 327 final int mSdkVersion = Build.VERSION.SDK_INT; 328 329 final Context mContext; 330 final boolean mFactoryTest; 331 final boolean mOnlyCore; 332 final DisplayMetrics mMetrics; 333 final int mDefParseFlags; 334 final String[] mSeparateProcesses; 335 336 // This is where all application persistent data goes. 337 final File mAppDataDir; 338 339 // This is where all application persistent data goes for secondary users. 340 final File mUserAppDataDir; 341 342 /** The location for ASEC container files on internal storage. */ 343 final String mAsecInternalPath; 344 345 // This is the object monitoring the framework dir. 346 final FileObserver mFrameworkInstallObserver; 347 348 // This is the object monitoring the system app dir. 349 final FileObserver mSystemInstallObserver; 350 351 // This is the object monitoring the privileged system app dir. 352 final FileObserver mPrivilegedInstallObserver; 353 354 // This is the object monitoring the vendor app dir. 355 final FileObserver mVendorInstallObserver; 356 357 // This is the object monitoring the vendor overlay package dir. 358 final FileObserver mVendorOverlayInstallObserver; 359 360 // This is the object monitoring the OEM app dir. 361 final FileObserver mOemInstallObserver; 362 363 // This is the object monitoring mAppInstallDir. 364 final FileObserver mAppInstallObserver; 365 366 // This is the object monitoring mDrmAppPrivateInstallDir. 367 final FileObserver mDrmAppInstallObserver; 368 369 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 370 // LOCK HELD. Can be called with mInstallLock held. 371 final Installer mInstaller; 372 373 /** Directory where installed third-party apps stored */ 374 final File mAppInstallDir; 375 376 /** 377 * Directory to which applications installed internally have their 378 * 32 bit native libraries copied. 379 */ 380 private File mAppLib32InstallDir; 381 382 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 383 // apps. 384 final File mDrmAppPrivateInstallDir; 385 386 // ---------------------------------------------------------------- 387 388 // Lock for state used when installing and doing other long running 389 // operations. Methods that must be called with this lock held have 390 // the suffix "LI". 391 final Object mInstallLock = new Object(); 392 393 // These are the directories in the 3rd party applications installed dir 394 // that we have currently loaded packages from. Keys are the application's 395 // installed zip file (absolute codePath), and values are Package. 396 final HashMap<String, PackageParser.Package> mAppDirs = 397 new HashMap<String, PackageParser.Package>(); 398 399 // ---------------------------------------------------------------- 400 401 // Keys are String (package name), values are Package. This also serves 402 // as the lock for the global state. Methods that must be called with 403 // this lock held have the prefix "LP". 404 final HashMap<String, PackageParser.Package> mPackages = 405 new HashMap<String, PackageParser.Package>(); 406 407 // Tracks available target package names -> overlay package paths. 408 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 409 new HashMap<String, HashMap<String, PackageParser.Package>>(); 410 411 final Settings mSettings; 412 boolean mRestoredSettings; 413 414 // System configuration read by SystemConfig. 415 final int[] mGlobalGids; 416 final SparseArray<HashSet<String>> mSystemPermissions; 417 final HashMap<String, FeatureInfo> mAvailableFeatures; 418 419 // If mac_permissions.xml was found for seinfo labeling. 420 boolean mFoundPolicyFile; 421 422 // If a recursive restorecon of /data/data/<pkg> is needed. 423 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 424 425 public static final class SharedLibraryEntry { 426 public final String path; 427 public final String apk; 428 429 SharedLibraryEntry(String _path, String _apk) { 430 path = _path; 431 apk = _apk; 432 } 433 } 434 435 // Currently known shared libraries. 436 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 437 new HashMap<String, SharedLibraryEntry>(); 438 439 // All available activities, for your resolving pleasure. 440 final ActivityIntentResolver mActivities = 441 new ActivityIntentResolver(); 442 443 // All available receivers, for your resolving pleasure. 444 final ActivityIntentResolver mReceivers = 445 new ActivityIntentResolver(); 446 447 // All available services, for your resolving pleasure. 448 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 449 450 // All available providers, for your resolving pleasure. 451 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 452 453 // Mapping from provider base names (first directory in content URI codePath) 454 // to the provider information. 455 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 456 new HashMap<String, PackageParser.Provider>(); 457 458 // Mapping from instrumentation class names to info about them. 459 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 460 new HashMap<ComponentName, PackageParser.Instrumentation>(); 461 462 // Mapping from permission names to info about them. 463 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 464 new HashMap<String, PackageParser.PermissionGroup>(); 465 466 // Packages whose data we have transfered into another package, thus 467 // should no longer exist. 468 final HashSet<String> mTransferedPackages = new HashSet<String>(); 469 470 // Broadcast actions that are only available to the system. 471 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 472 473 /** List of packages waiting for verification. */ 474 final SparseArray<PackageVerificationState> mPendingVerification 475 = new SparseArray<PackageVerificationState>(); 476 477 final PackageInstallerService mInstallerService; 478 479 HashSet<PackageParser.Package> mDeferredDexOpt = null; 480 481 // Cache of users who need badging. 482 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 483 484 /** Token for keys in mPendingVerification. */ 485 private int mPendingVerificationToken = 0; 486 487 boolean mSystemReady; 488 boolean mSafeMode; 489 boolean mHasSystemUidErrors; 490 491 ApplicationInfo mAndroidApplication; 492 final ActivityInfo mResolveActivity = new ActivityInfo(); 493 final ResolveInfo mResolveInfo = new ResolveInfo(); 494 ComponentName mResolveComponentName; 495 PackageParser.Package mPlatformPackage; 496 ComponentName mCustomResolverComponentName; 497 498 boolean mResolverReplaced = false; 499 500 // Set of pending broadcasts for aggregating enable/disable of components. 501 static class PendingPackageBroadcasts { 502 // for each user id, a map of <package name -> components within that package> 503 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 504 505 public PendingPackageBroadcasts() { 506 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 507 } 508 509 public ArrayList<String> get(int userId, String packageName) { 510 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 511 return packages.get(packageName); 512 } 513 514 public void put(int userId, String packageName, ArrayList<String> components) { 515 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 516 packages.put(packageName, components); 517 } 518 519 public void remove(int userId, String packageName) { 520 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 521 if (packages != null) { 522 packages.remove(packageName); 523 } 524 } 525 526 public void remove(int userId) { 527 mUidMap.remove(userId); 528 } 529 530 public int userIdCount() { 531 return mUidMap.size(); 532 } 533 534 public int userIdAt(int n) { 535 return mUidMap.keyAt(n); 536 } 537 538 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 539 return mUidMap.get(userId); 540 } 541 542 public int size() { 543 // total number of pending broadcast entries across all userIds 544 int num = 0; 545 for (int i = 0; i< mUidMap.size(); i++) { 546 num += mUidMap.valueAt(i).size(); 547 } 548 return num; 549 } 550 551 public void clear() { 552 mUidMap.clear(); 553 } 554 555 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 556 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 557 if (map == null) { 558 map = new HashMap<String, ArrayList<String>>(); 559 mUidMap.put(userId, map); 560 } 561 return map; 562 } 563 } 564 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 565 566 // Service Connection to remote media container service to copy 567 // package uri's from external media onto secure containers 568 // or internal storage. 569 private IMediaContainerService mContainerService = null; 570 571 static final int SEND_PENDING_BROADCAST = 1; 572 static final int MCS_BOUND = 3; 573 static final int END_COPY = 4; 574 static final int INIT_COPY = 5; 575 static final int MCS_UNBIND = 6; 576 static final int START_CLEANING_PACKAGE = 7; 577 static final int FIND_INSTALL_LOC = 8; 578 static final int POST_INSTALL = 9; 579 static final int MCS_RECONNECT = 10; 580 static final int MCS_GIVE_UP = 11; 581 static final int UPDATED_MEDIA_STATUS = 12; 582 static final int WRITE_SETTINGS = 13; 583 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 584 static final int PACKAGE_VERIFIED = 15; 585 static final int CHECK_PENDING_VERIFICATION = 16; 586 587 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 588 589 // Delay time in millisecs 590 static final int BROADCAST_DELAY = 10 * 1000; 591 592 static UserManagerService sUserManager; 593 594 // Stores a list of users whose package restrictions file needs to be updated 595 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 596 597 final private DefaultContainerConnection mDefContainerConn = 598 new DefaultContainerConnection(); 599 class DefaultContainerConnection implements ServiceConnection { 600 public void onServiceConnected(ComponentName name, IBinder service) { 601 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 602 IMediaContainerService imcs = 603 IMediaContainerService.Stub.asInterface(service); 604 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 605 } 606 607 public void onServiceDisconnected(ComponentName name) { 608 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 609 } 610 }; 611 612 // Recordkeeping of restore-after-install operations that are currently in flight 613 // between the Package Manager and the Backup Manager 614 class PostInstallData { 615 public InstallArgs args; 616 public PackageInstalledInfo res; 617 618 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 619 args = _a; 620 res = _r; 621 } 622 }; 623 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 624 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 625 626 private final String mRequiredVerifierPackage; 627 628 private final PackageUsage mPackageUsage = new PackageUsage(); 629 630 private class PackageUsage { 631 private static final int WRITE_INTERVAL 632 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 633 634 private final Object mFileLock = new Object(); 635 private final AtomicLong mLastWritten = new AtomicLong(0); 636 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 637 638 private boolean mIsHistoricalPackageUsageAvailable = true; 639 640 boolean isHistoricalPackageUsageAvailable() { 641 return mIsHistoricalPackageUsageAvailable; 642 } 643 644 void write(boolean force) { 645 if (force) { 646 writeInternal(); 647 return; 648 } 649 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 650 && !DEBUG_DEXOPT) { 651 return; 652 } 653 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 654 new Thread("PackageUsage_DiskWriter") { 655 @Override 656 public void run() { 657 try { 658 writeInternal(); 659 } finally { 660 mBackgroundWriteRunning.set(false); 661 } 662 } 663 }.start(); 664 } 665 } 666 667 private void writeInternal() { 668 synchronized (mPackages) { 669 synchronized (mFileLock) { 670 AtomicFile file = getFile(); 671 FileOutputStream f = null; 672 try { 673 f = file.startWrite(); 674 BufferedOutputStream out = new BufferedOutputStream(f); 675 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 676 StringBuilder sb = new StringBuilder(); 677 for (PackageParser.Package pkg : mPackages.values()) { 678 if (pkg.mLastPackageUsageTimeInMills == 0) { 679 continue; 680 } 681 sb.setLength(0); 682 sb.append(pkg.packageName); 683 sb.append(' '); 684 sb.append((long)pkg.mLastPackageUsageTimeInMills); 685 sb.append('\n'); 686 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 687 } 688 out.flush(); 689 file.finishWrite(f); 690 } catch (IOException e) { 691 if (f != null) { 692 file.failWrite(f); 693 } 694 Log.e(TAG, "Failed to write package usage times", e); 695 } 696 } 697 } 698 mLastWritten.set(SystemClock.elapsedRealtime()); 699 } 700 701 void readLP() { 702 synchronized (mFileLock) { 703 AtomicFile file = getFile(); 704 BufferedInputStream in = null; 705 try { 706 in = new BufferedInputStream(file.openRead()); 707 StringBuffer sb = new StringBuffer(); 708 while (true) { 709 String packageName = readToken(in, sb, ' '); 710 if (packageName == null) { 711 break; 712 } 713 String timeInMillisString = readToken(in, sb, '\n'); 714 if (timeInMillisString == null) { 715 throw new IOException("Failed to find last usage time for package " 716 + packageName); 717 } 718 PackageParser.Package pkg = mPackages.get(packageName); 719 if (pkg == null) { 720 continue; 721 } 722 long timeInMillis; 723 try { 724 timeInMillis = Long.parseLong(timeInMillisString.toString()); 725 } catch (NumberFormatException e) { 726 throw new IOException("Failed to parse " + timeInMillisString 727 + " as a long.", e); 728 } 729 pkg.mLastPackageUsageTimeInMills = timeInMillis; 730 } 731 } catch (FileNotFoundException expected) { 732 mIsHistoricalPackageUsageAvailable = false; 733 } catch (IOException e) { 734 Log.w(TAG, "Failed to read package usage times", e); 735 } finally { 736 IoUtils.closeQuietly(in); 737 } 738 } 739 mLastWritten.set(SystemClock.elapsedRealtime()); 740 } 741 742 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 743 throws IOException { 744 sb.setLength(0); 745 while (true) { 746 int ch = in.read(); 747 if (ch == -1) { 748 if (sb.length() == 0) { 749 return null; 750 } 751 throw new IOException("Unexpected EOF"); 752 } 753 if (ch == endOfToken) { 754 return sb.toString(); 755 } 756 sb.append((char)ch); 757 } 758 } 759 760 private AtomicFile getFile() { 761 File dataDir = Environment.getDataDirectory(); 762 File systemDir = new File(dataDir, "system"); 763 File fname = new File(systemDir, "package-usage.list"); 764 return new AtomicFile(fname); 765 } 766 } 767 768 class PackageHandler extends Handler { 769 private boolean mBound = false; 770 final ArrayList<HandlerParams> mPendingInstalls = 771 new ArrayList<HandlerParams>(); 772 773 private boolean connectToService() { 774 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 775 " DefaultContainerService"); 776 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 777 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 778 if (mContext.bindServiceAsUser(service, mDefContainerConn, 779 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 mBound = true; 782 return true; 783 } 784 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 785 return false; 786 } 787 788 private void disconnectService() { 789 mContainerService = null; 790 mBound = false; 791 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 792 mContext.unbindService(mDefContainerConn); 793 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 794 } 795 796 PackageHandler(Looper looper) { 797 super(looper); 798 } 799 800 public void handleMessage(Message msg) { 801 try { 802 doHandleMessage(msg); 803 } finally { 804 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 805 } 806 } 807 808 void doHandleMessage(Message msg) { 809 switch (msg.what) { 810 case INIT_COPY: { 811 HandlerParams params = (HandlerParams) msg.obj; 812 int idx = mPendingInstalls.size(); 813 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 814 // If a bind was already initiated we dont really 815 // need to do anything. The pending install 816 // will be processed later on. 817 if (!mBound) { 818 // If this is the only one pending we might 819 // have to bind to the service again. 820 if (!connectToService()) { 821 Slog.e(TAG, "Failed to bind to media container service"); 822 params.serviceError(); 823 return; 824 } else { 825 // Once we bind to the service, the first 826 // pending request will be processed. 827 mPendingInstalls.add(idx, params); 828 } 829 } else { 830 mPendingInstalls.add(idx, params); 831 // Already bound to the service. Just make 832 // sure we trigger off processing the first request. 833 if (idx == 0) { 834 mHandler.sendEmptyMessage(MCS_BOUND); 835 } 836 } 837 break; 838 } 839 case MCS_BOUND: { 840 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 841 if (msg.obj != null) { 842 mContainerService = (IMediaContainerService) msg.obj; 843 } 844 if (mContainerService == null) { 845 // Something seriously wrong. Bail out 846 Slog.e(TAG, "Cannot bind to media container service"); 847 for (HandlerParams params : mPendingInstalls) { 848 // Indicate service bind error 849 params.serviceError(); 850 } 851 mPendingInstalls.clear(); 852 } else if (mPendingInstalls.size() > 0) { 853 HandlerParams params = mPendingInstalls.get(0); 854 if (params != null) { 855 if (params.startCopy()) { 856 // We are done... look for more work or to 857 // go idle. 858 if (DEBUG_SD_INSTALL) Log.i(TAG, 859 "Checking for more work or unbind..."); 860 // Delete pending install 861 if (mPendingInstalls.size() > 0) { 862 mPendingInstalls.remove(0); 863 } 864 if (mPendingInstalls.size() == 0) { 865 if (mBound) { 866 if (DEBUG_SD_INSTALL) Log.i(TAG, 867 "Posting delayed MCS_UNBIND"); 868 removeMessages(MCS_UNBIND); 869 Message ubmsg = obtainMessage(MCS_UNBIND); 870 // Unbind after a little delay, to avoid 871 // continual thrashing. 872 sendMessageDelayed(ubmsg, 10000); 873 } 874 } else { 875 // There are more pending requests in queue. 876 // Just post MCS_BOUND message to trigger processing 877 // of next pending install. 878 if (DEBUG_SD_INSTALL) Log.i(TAG, 879 "Posting MCS_BOUND for next work"); 880 mHandler.sendEmptyMessage(MCS_BOUND); 881 } 882 } 883 } 884 } else { 885 // Should never happen ideally. 886 Slog.w(TAG, "Empty queue"); 887 } 888 break; 889 } 890 case MCS_RECONNECT: { 891 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 892 if (mPendingInstalls.size() > 0) { 893 if (mBound) { 894 disconnectService(); 895 } 896 if (!connectToService()) { 897 Slog.e(TAG, "Failed to bind to media container service"); 898 for (HandlerParams params : mPendingInstalls) { 899 // Indicate service bind error 900 params.serviceError(); 901 } 902 mPendingInstalls.clear(); 903 } 904 } 905 break; 906 } 907 case MCS_UNBIND: { 908 // If there is no actual work left, then time to unbind. 909 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 910 911 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 912 if (mBound) { 913 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 914 915 disconnectService(); 916 } 917 } else if (mPendingInstalls.size() > 0) { 918 // There are more pending requests in queue. 919 // Just post MCS_BOUND message to trigger processing 920 // of next pending install. 921 mHandler.sendEmptyMessage(MCS_BOUND); 922 } 923 924 break; 925 } 926 case MCS_GIVE_UP: { 927 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 928 mPendingInstalls.remove(0); 929 break; 930 } 931 case SEND_PENDING_BROADCAST: { 932 String packages[]; 933 ArrayList<String> components[]; 934 int size = 0; 935 int uids[]; 936 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 937 synchronized (mPackages) { 938 if (mPendingBroadcasts == null) { 939 return; 940 } 941 size = mPendingBroadcasts.size(); 942 if (size <= 0) { 943 // Nothing to be done. Just return 944 return; 945 } 946 packages = new String[size]; 947 components = new ArrayList[size]; 948 uids = new int[size]; 949 int i = 0; // filling out the above arrays 950 951 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 952 int packageUserId = mPendingBroadcasts.userIdAt(n); 953 Iterator<Map.Entry<String, ArrayList<String>>> it 954 = mPendingBroadcasts.packagesForUserId(packageUserId) 955 .entrySet().iterator(); 956 while (it.hasNext() && i < size) { 957 Map.Entry<String, ArrayList<String>> ent = it.next(); 958 packages[i] = ent.getKey(); 959 components[i] = ent.getValue(); 960 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 961 uids[i] = (ps != null) 962 ? UserHandle.getUid(packageUserId, ps.appId) 963 : -1; 964 i++; 965 } 966 } 967 size = i; 968 mPendingBroadcasts.clear(); 969 } 970 // Send broadcasts 971 for (int i = 0; i < size; i++) { 972 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 973 } 974 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 975 break; 976 } 977 case START_CLEANING_PACKAGE: { 978 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 979 final String packageName = (String)msg.obj; 980 final int userId = msg.arg1; 981 final boolean andCode = msg.arg2 != 0; 982 synchronized (mPackages) { 983 if (userId == UserHandle.USER_ALL) { 984 int[] users = sUserManager.getUserIds(); 985 for (int user : users) { 986 mSettings.addPackageToCleanLPw( 987 new PackageCleanItem(user, packageName, andCode)); 988 } 989 } else { 990 mSettings.addPackageToCleanLPw( 991 new PackageCleanItem(userId, packageName, andCode)); 992 } 993 } 994 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 995 startCleaningPackages(); 996 } break; 997 case POST_INSTALL: { 998 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 999 PostInstallData data = mRunningInstalls.get(msg.arg1); 1000 mRunningInstalls.delete(msg.arg1); 1001 boolean deleteOld = false; 1002 1003 if (data != null) { 1004 InstallArgs args = data.args; 1005 PackageInstalledInfo res = data.res; 1006 1007 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1008 res.removedInfo.sendBroadcast(false, true, false); 1009 Bundle extras = new Bundle(1); 1010 extras.putInt(Intent.EXTRA_UID, res.uid); 1011 // Determine the set of users who are adding this 1012 // package for the first time vs. those who are seeing 1013 // an update. 1014 int[] firstUsers; 1015 int[] updateUsers = new int[0]; 1016 if (res.origUsers == null || res.origUsers.length == 0) { 1017 firstUsers = res.newUsers; 1018 } else { 1019 firstUsers = new int[0]; 1020 for (int i=0; i<res.newUsers.length; i++) { 1021 int user = res.newUsers[i]; 1022 boolean isNew = true; 1023 for (int j=0; j<res.origUsers.length; j++) { 1024 if (res.origUsers[j] == user) { 1025 isNew = false; 1026 break; 1027 } 1028 } 1029 if (isNew) { 1030 int[] newFirst = new int[firstUsers.length+1]; 1031 System.arraycopy(firstUsers, 0, newFirst, 0, 1032 firstUsers.length); 1033 newFirst[firstUsers.length] = user; 1034 firstUsers = newFirst; 1035 } else { 1036 int[] newUpdate = new int[updateUsers.length+1]; 1037 System.arraycopy(updateUsers, 0, newUpdate, 0, 1038 updateUsers.length); 1039 newUpdate[updateUsers.length] = user; 1040 updateUsers = newUpdate; 1041 } 1042 } 1043 } 1044 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1045 res.pkg.applicationInfo.packageName, 1046 extras, null, null, firstUsers); 1047 final boolean update = res.removedInfo.removedPackage != null; 1048 if (update) { 1049 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1050 } 1051 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1052 res.pkg.applicationInfo.packageName, 1053 extras, null, null, updateUsers); 1054 if (update) { 1055 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1056 res.pkg.applicationInfo.packageName, 1057 extras, null, null, updateUsers); 1058 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1059 null, null, 1060 res.pkg.applicationInfo.packageName, null, updateUsers); 1061 1062 // treat asec-hosted packages like removable media on upgrade 1063 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1064 if (DEBUG_INSTALL) { 1065 Slog.i(TAG, "upgrading pkg " + res.pkg 1066 + " is ASEC-hosted -> AVAILABLE"); 1067 } 1068 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1069 ArrayList<String> pkgList = new ArrayList<String>(1); 1070 pkgList.add(res.pkg.applicationInfo.packageName); 1071 sendResourcesChangedBroadcast(true, true, 1072 pkgList,uidArray, null); 1073 } 1074 } 1075 if (res.removedInfo.args != null) { 1076 // Remove the replaced package's older resources safely now 1077 deleteOld = true; 1078 } 1079 1080 // Log current value of "unknown sources" setting 1081 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1082 getUnknownSourcesSettings()); 1083 } 1084 // Force a gc to clear up things 1085 Runtime.getRuntime().gc(); 1086 // We delete after a gc for applications on sdcard. 1087 if (deleteOld) { 1088 synchronized (mInstallLock) { 1089 res.removedInfo.args.doPostDeleteLI(true); 1090 } 1091 } 1092 if (args.observer != null) { 1093 try { 1094 Bundle extras = extrasForInstallResult(res); 1095 args.observer.packageInstalled(res.name, extras, res.returnCode, 1096 res.returnMsg); 1097 } catch (RemoteException e) { 1098 Slog.i(TAG, "Observer no longer exists."); 1099 } 1100 } 1101 } else { 1102 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1103 } 1104 } break; 1105 case UPDATED_MEDIA_STATUS: { 1106 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1107 boolean reportStatus = msg.arg1 == 1; 1108 boolean doGc = msg.arg2 == 1; 1109 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1110 if (doGc) { 1111 // Force a gc to clear up stale containers. 1112 Runtime.getRuntime().gc(); 1113 } 1114 if (msg.obj != null) { 1115 @SuppressWarnings("unchecked") 1116 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1117 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1118 // Unload containers 1119 unloadAllContainers(args); 1120 } 1121 if (reportStatus) { 1122 try { 1123 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1124 PackageHelper.getMountService().finishMediaUpdate(); 1125 } catch (RemoteException e) { 1126 Log.e(TAG, "MountService not running?"); 1127 } 1128 } 1129 } break; 1130 case WRITE_SETTINGS: { 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1132 synchronized (mPackages) { 1133 removeMessages(WRITE_SETTINGS); 1134 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1135 mSettings.writeLPr(); 1136 mDirtyUsers.clear(); 1137 } 1138 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1139 } break; 1140 case WRITE_PACKAGE_RESTRICTIONS: { 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1142 synchronized (mPackages) { 1143 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1144 for (int userId : mDirtyUsers) { 1145 mSettings.writePackageRestrictionsLPr(userId); 1146 } 1147 mDirtyUsers.clear(); 1148 } 1149 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1150 } break; 1151 case CHECK_PENDING_VERIFICATION: { 1152 final int verificationId = msg.arg1; 1153 final PackageVerificationState state = mPendingVerification.get(verificationId); 1154 1155 if ((state != null) && !state.timeoutExtended()) { 1156 final InstallArgs args = state.getInstallArgs(); 1157 final Uri originUri = Uri.fromFile(args.originFile); 1158 1159 Slog.i(TAG, "Verification timed out for " + originUri); 1160 mPendingVerification.remove(verificationId); 1161 1162 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1163 1164 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1165 Slog.i(TAG, "Continuing with installation of " + originUri); 1166 state.setVerifierResponse(Binder.getCallingUid(), 1167 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1168 broadcastPackageVerified(verificationId, originUri, 1169 PackageManager.VERIFICATION_ALLOW, 1170 state.getInstallArgs().getUser()); 1171 try { 1172 ret = args.copyApk(mContainerService, true); 1173 } catch (RemoteException e) { 1174 Slog.e(TAG, "Could not contact the ContainerService"); 1175 } 1176 } else { 1177 broadcastPackageVerified(verificationId, originUri, 1178 PackageManager.VERIFICATION_REJECT, 1179 state.getInstallArgs().getUser()); 1180 } 1181 1182 processPendingInstall(args, ret); 1183 mHandler.sendEmptyMessage(MCS_UNBIND); 1184 } 1185 break; 1186 } 1187 case PACKAGE_VERIFIED: { 1188 final int verificationId = msg.arg1; 1189 1190 final PackageVerificationState state = mPendingVerification.get(verificationId); 1191 if (state == null) { 1192 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1193 break; 1194 } 1195 1196 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1197 1198 state.setVerifierResponse(response.callerUid, response.code); 1199 1200 if (state.isVerificationComplete()) { 1201 mPendingVerification.remove(verificationId); 1202 1203 final InstallArgs args = state.getInstallArgs(); 1204 final Uri originUri = Uri.fromFile(args.originFile); 1205 1206 int ret; 1207 if (state.isInstallAllowed()) { 1208 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1209 broadcastPackageVerified(verificationId, originUri, 1210 response.code, state.getInstallArgs().getUser()); 1211 try { 1212 ret = args.copyApk(mContainerService, true); 1213 } catch (RemoteException e) { 1214 Slog.e(TAG, "Could not contact the ContainerService"); 1215 } 1216 } else { 1217 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1218 } 1219 1220 processPendingInstall(args, ret); 1221 1222 mHandler.sendEmptyMessage(MCS_UNBIND); 1223 } 1224 1225 break; 1226 } 1227 } 1228 } 1229 } 1230 1231 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1232 Bundle extras = null; 1233 switch (res.returnCode) { 1234 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1235 extras = new Bundle(); 1236 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1237 res.origPermission); 1238 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1239 res.origPackage); 1240 break; 1241 } 1242 } 1243 return extras; 1244 } 1245 1246 void scheduleWriteSettingsLocked() { 1247 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1248 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1249 } 1250 } 1251 1252 void scheduleWritePackageRestrictionsLocked(int userId) { 1253 if (!sUserManager.exists(userId)) return; 1254 mDirtyUsers.add(userId); 1255 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1256 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1257 } 1258 } 1259 1260 public static final PackageManagerService main(Context context, Installer installer, 1261 boolean factoryTest, boolean onlyCore) { 1262 PackageManagerService m = new PackageManagerService(context, installer, 1263 factoryTest, onlyCore); 1264 ServiceManager.addService("package", m); 1265 return m; 1266 } 1267 1268 static String[] splitString(String str, char sep) { 1269 int count = 1; 1270 int i = 0; 1271 while ((i=str.indexOf(sep, i)) >= 0) { 1272 count++; 1273 i++; 1274 } 1275 1276 String[] res = new String[count]; 1277 i=0; 1278 count = 0; 1279 int lastI=0; 1280 while ((i=str.indexOf(sep, i)) >= 0) { 1281 res[count] = str.substring(lastI, i); 1282 count++; 1283 i++; 1284 lastI = i; 1285 } 1286 res[count] = str.substring(lastI, str.length()); 1287 return res; 1288 } 1289 1290 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1291 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1292 Context.DISPLAY_SERVICE); 1293 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1294 } 1295 1296 public PackageManagerService(Context context, Installer installer, 1297 boolean factoryTest, boolean onlyCore) { 1298 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1299 SystemClock.uptimeMillis()); 1300 1301 if (mSdkVersion <= 0) { 1302 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1303 } 1304 1305 mContext = context; 1306 mFactoryTest = factoryTest; 1307 mOnlyCore = onlyCore; 1308 mMetrics = new DisplayMetrics(); 1309 mSettings = new Settings(context); 1310 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1311 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1312 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1313 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1314 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1315 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1316 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1317 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1318 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1319 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1320 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1321 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1322 1323 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1324 if (separateProcesses != null && separateProcesses.length() > 0) { 1325 if ("*".equals(separateProcesses)) { 1326 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1327 mSeparateProcesses = null; 1328 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1329 } else { 1330 mDefParseFlags = 0; 1331 mSeparateProcesses = separateProcesses.split(","); 1332 Slog.w(TAG, "Running with debug.separate_processes: " 1333 + separateProcesses); 1334 } 1335 } else { 1336 mDefParseFlags = 0; 1337 mSeparateProcesses = null; 1338 } 1339 1340 mInstaller = installer; 1341 1342 getDefaultDisplayMetrics(context, mMetrics); 1343 1344 SystemConfig systemConfig = SystemConfig.getInstance(); 1345 mGlobalGids = systemConfig.getGlobalGids(); 1346 mSystemPermissions = systemConfig.getSystemPermissions(); 1347 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1348 1349 synchronized (mInstallLock) { 1350 // writer 1351 synchronized (mPackages) { 1352 mHandlerThread = new ServiceThread(TAG, 1353 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1354 mHandlerThread.start(); 1355 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1356 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1357 1358 File dataDir = Environment.getDataDirectory(); 1359 mAppDataDir = new File(dataDir, "data"); 1360 mAppInstallDir = new File(dataDir, "app"); 1361 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1362 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1363 mUserAppDataDir = new File(dataDir, "user"); 1364 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1365 1366 sUserManager = new UserManagerService(context, this, 1367 mInstallLock, mPackages); 1368 1369 // Propagate permission configuration in to package manager. 1370 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1371 = systemConfig.getPermissions(); 1372 for (int i=0; i<permConfig.size(); i++) { 1373 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1374 BasePermission bp = mSettings.mPermissions.get(perm.name); 1375 if (bp == null) { 1376 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1377 mSettings.mPermissions.put(perm.name, bp); 1378 } 1379 if (perm.gids != null) { 1380 bp.gids = appendInts(bp.gids, perm.gids); 1381 } 1382 } 1383 1384 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1385 for (int i=0; i<libConfig.size(); i++) { 1386 mSharedLibraries.put(libConfig.keyAt(i), 1387 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1388 } 1389 1390 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1391 1392 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1393 mSdkVersion, mOnlyCore); 1394 1395 String customResolverActivity = Resources.getSystem().getString( 1396 R.string.config_customResolverActivity); 1397 if (TextUtils.isEmpty(customResolverActivity)) { 1398 customResolverActivity = null; 1399 } else { 1400 mCustomResolverComponentName = ComponentName.unflattenFromString( 1401 customResolverActivity); 1402 } 1403 1404 long startTime = SystemClock.uptimeMillis(); 1405 1406 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1407 startTime); 1408 1409 // Set flag to monitor and not change apk file paths when 1410 // scanning install directories. 1411 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1412 1413 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1414 1415 /** 1416 * Add everything in the in the boot class path to the 1417 * list of process files because dexopt will have been run 1418 * if necessary during zygote startup. 1419 */ 1420 String bootClassPath = System.getProperty("java.boot.class.path"); 1421 if (bootClassPath != null) { 1422 String[] paths = splitString(bootClassPath, ':'); 1423 for (int i=0; i<paths.length; i++) { 1424 alreadyDexOpted.add(paths[i]); 1425 } 1426 } else { 1427 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1428 } 1429 1430 boolean didDexOptLibraryOrTool = false; 1431 1432 final List<String> instructionSets = getAllInstructionSets(); 1433 1434 /** 1435 * Ensure all external libraries have had dexopt run on them. 1436 */ 1437 if (mSharedLibraries.size() > 0) { 1438 // NOTE: For now, we're compiling these system "shared libraries" 1439 // (and framework jars) into all available architectures. It's possible 1440 // to compile them only when we come across an app that uses them (there's 1441 // already logic for that in scanPackageLI) but that adds some complexity. 1442 for (String instructionSet : instructionSets) { 1443 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1444 final String lib = libEntry.path; 1445 if (lib == null) { 1446 continue; 1447 } 1448 1449 try { 1450 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1451 alreadyDexOpted.add(lib); 1452 1453 // The list of "shared libraries" we have at this point is 1454 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1455 didDexOptLibraryOrTool = true; 1456 } 1457 } catch (FileNotFoundException e) { 1458 Slog.w(TAG, "Library not found: " + lib); 1459 } catch (IOException e) { 1460 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1461 + e.getMessage()); 1462 } 1463 } 1464 } 1465 } 1466 1467 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1468 1469 // Gross hack for now: we know this file doesn't contain any 1470 // code, so don't dexopt it to avoid the resulting log spew. 1471 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1472 1473 // Gross hack for now: we know this file is only part of 1474 // the boot class path for art, so don't dexopt it to 1475 // avoid the resulting log spew. 1476 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1477 1478 /** 1479 * And there are a number of commands implemented in Java, which 1480 * we currently need to do the dexopt on so that they can be 1481 * run from a non-root shell. 1482 */ 1483 String[] frameworkFiles = frameworkDir.list(); 1484 if (frameworkFiles != null) { 1485 // TODO: We could compile these only for the most preferred ABI. We should 1486 // first double check that the dex files for these commands are not referenced 1487 // by other system apps. 1488 for (String instructionSet : instructionSets) { 1489 for (int i=0; i<frameworkFiles.length; i++) { 1490 File libPath = new File(frameworkDir, frameworkFiles[i]); 1491 String path = libPath.getPath(); 1492 // Skip the file if we already did it. 1493 if (alreadyDexOpted.contains(path)) { 1494 continue; 1495 } 1496 // Skip the file if it is not a type we want to dexopt. 1497 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1498 continue; 1499 } 1500 try { 1501 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1502 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1503 didDexOptLibraryOrTool = true; 1504 } 1505 } catch (FileNotFoundException e) { 1506 Slog.w(TAG, "Jar not found: " + path); 1507 } catch (IOException e) { 1508 Slog.w(TAG, "Exception reading jar: " + path, e); 1509 } 1510 } 1511 } 1512 } 1513 1514 if (didDexOptLibraryOrTool) { 1515 // If we dexopted a library or tool, then something on the system has 1516 // changed. Consider this significant, and wipe away all other 1517 // existing dexopt files to ensure we don't leave any dangling around. 1518 // 1519 // TODO: This should be revisited because it isn't as good an indicator 1520 // as it used to be. It used to include the boot classpath but at some point 1521 // DexFile.isDexOptNeeded started returning false for the boot 1522 // class path files in all cases. It is very possible in a 1523 // small maintenance release update that the library and tool 1524 // jars may be unchanged but APK could be removed resulting in 1525 // unused dalvik-cache files. 1526 for (String instructionSet : instructionSets) { 1527 mInstaller.pruneDexCache(instructionSet); 1528 } 1529 1530 // Additionally, delete all dex files from the root directory 1531 // since there shouldn't be any there anyway, unless we're upgrading 1532 // from an older OS version or a build that contained the "old" style 1533 // flat scheme. 1534 mInstaller.pruneDexCache("."); 1535 } 1536 1537 // Collect vendor overlay packages. 1538 // (Do this before scanning any apps.) 1539 // For security and version matching reason, only consider 1540 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1541 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1542 mVendorOverlayInstallObserver = new AppDirObserver( 1543 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1544 mVendorOverlayInstallObserver.startWatching(); 1545 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1546 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1547 1548 // Find base frameworks (resource packages without code). 1549 mFrameworkInstallObserver = new AppDirObserver( 1550 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1551 mFrameworkInstallObserver.startWatching(); 1552 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1553 | PackageParser.PARSE_IS_SYSTEM_DIR 1554 | PackageParser.PARSE_IS_PRIVILEGED, 1555 scanMode | SCAN_NO_DEX, 0); 1556 1557 // Collected privileged system packages. 1558 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1559 mPrivilegedInstallObserver = new AppDirObserver( 1560 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1561 mPrivilegedInstallObserver.startWatching(); 1562 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1563 | PackageParser.PARSE_IS_SYSTEM_DIR 1564 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1565 1566 // Collect ordinary system packages. 1567 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1568 mSystemInstallObserver = new AppDirObserver( 1569 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1570 mSystemInstallObserver.startWatching(); 1571 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1572 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1573 1574 // Collect all vendor packages. 1575 File vendorAppDir = new File("/vendor/app"); 1576 try { 1577 vendorAppDir = vendorAppDir.getCanonicalFile(); 1578 } catch (IOException e) { 1579 // failed to look up canonical path, continue with original one 1580 } 1581 mVendorInstallObserver = new AppDirObserver( 1582 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1583 mVendorInstallObserver.startWatching(); 1584 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1585 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1586 1587 // Collect all OEM packages. 1588 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1589 mOemInstallObserver = new AppDirObserver( 1590 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1591 mOemInstallObserver.startWatching(); 1592 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1593 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1594 1595 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1596 mInstaller.moveFiles(); 1597 1598 // Prune any system packages that no longer exist. 1599 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1600 if (!mOnlyCore) { 1601 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1602 while (psit.hasNext()) { 1603 PackageSetting ps = psit.next(); 1604 1605 /* 1606 * If this is not a system app, it can't be a 1607 * disable system app. 1608 */ 1609 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1610 continue; 1611 } 1612 1613 /* 1614 * If the package is scanned, it's not erased. 1615 */ 1616 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1617 if (scannedPkg != null) { 1618 /* 1619 * If the system app is both scanned and in the 1620 * disabled packages list, then it must have been 1621 * added via OTA. Remove it from the currently 1622 * scanned package so the previously user-installed 1623 * application can be scanned. 1624 */ 1625 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1626 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1627 + "; removing system app"); 1628 removePackageLI(ps, true); 1629 } 1630 1631 continue; 1632 } 1633 1634 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1635 psit.remove(); 1636 String msg = "System package " + ps.name 1637 + " no longer exists; wiping its data"; 1638 reportSettingsProblem(Log.WARN, msg); 1639 removeDataDirsLI(ps.name); 1640 } else { 1641 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1642 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1643 possiblyDeletedUpdatedSystemApps.add(ps.name); 1644 } 1645 } 1646 } 1647 } 1648 1649 //look for any incomplete package installations 1650 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1651 //clean up list 1652 for(int i = 0; i < deletePkgsList.size(); i++) { 1653 //clean up here 1654 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1655 } 1656 //delete tmp files 1657 deleteTempPackageFiles(); 1658 1659 // Remove any shared userIDs that have no associated packages 1660 mSettings.pruneSharedUsersLPw(); 1661 1662 if (!mOnlyCore) { 1663 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1664 SystemClock.uptimeMillis()); 1665 mAppInstallObserver = new AppDirObserver( 1666 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1667 mAppInstallObserver.startWatching(); 1668 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1669 1670 mDrmAppInstallObserver = new AppDirObserver( 1671 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1672 mDrmAppInstallObserver.startWatching(); 1673 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1674 scanMode, 0); 1675 1676 /** 1677 * Remove disable package settings for any updated system 1678 * apps that were removed via an OTA. If they're not a 1679 * previously-updated app, remove them completely. 1680 * Otherwise, just revoke their system-level permissions. 1681 */ 1682 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1683 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1684 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1685 1686 String msg; 1687 if (deletedPkg == null) { 1688 msg = "Updated system package " + deletedAppName 1689 + " no longer exists; wiping its data"; 1690 removeDataDirsLI(deletedAppName); 1691 } else { 1692 msg = "Updated system app + " + deletedAppName 1693 + " no longer present; removing system privileges for " 1694 + deletedAppName; 1695 1696 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1697 1698 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1699 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1700 } 1701 reportSettingsProblem(Log.WARN, msg); 1702 } 1703 } else { 1704 mAppInstallObserver = null; 1705 mDrmAppInstallObserver = null; 1706 } 1707 1708 // Now that we know all of the shared libraries, update all clients to have 1709 // the correct library paths. 1710 updateAllSharedLibrariesLPw(); 1711 1712 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1713 // NOTE: We ignore potential failures here during a system scan (like 1714 // the rest of the commands above) because there's precious little we 1715 // can do about it. A settings error is reported, though. 1716 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1717 false /* force dexopt */, false /* defer dexopt */); 1718 } 1719 1720 // Now that we know all the packages we are keeping, 1721 // read and update their last usage times. 1722 mPackageUsage.readLP(); 1723 1724 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1725 SystemClock.uptimeMillis()); 1726 Slog.i(TAG, "Time to scan packages: " 1727 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1728 + " seconds"); 1729 1730 // If the platform SDK has changed since the last time we booted, 1731 // we need to re-grant app permission to catch any new ones that 1732 // appear. This is really a hack, and means that apps can in some 1733 // cases get permissions that the user didn't initially explicitly 1734 // allow... it would be nice to have some better way to handle 1735 // this situation. 1736 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1737 != mSdkVersion; 1738 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1739 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1740 + "; regranting permissions for internal storage"); 1741 mSettings.mInternalSdkPlatform = mSdkVersion; 1742 1743 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1744 | (regrantPermissions 1745 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1746 : 0)); 1747 1748 // If this is the first boot, and it is a normal boot, then 1749 // we need to initialize the default preferred apps. 1750 if (!mRestoredSettings && !onlyCore) { 1751 mSettings.readDefaultPreferredAppsLPw(this, 0); 1752 } 1753 1754 // All the changes are done during package scanning. 1755 mSettings.updateInternalDatabaseVersion(); 1756 1757 // can downgrade to reader 1758 mSettings.writeLPr(); 1759 1760 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1761 SystemClock.uptimeMillis()); 1762 1763 1764 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1765 } // synchronized (mPackages) 1766 } // synchronized (mInstallLock) 1767 1768 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1769 1770 // Now after opening every single application zip, make sure they 1771 // are all flushed. Not really needed, but keeps things nice and 1772 // tidy. 1773 Runtime.getRuntime().gc(); 1774 } 1775 1776 @Override 1777 public boolean isFirstBoot() { 1778 return !mRestoredSettings; 1779 } 1780 1781 @Override 1782 public boolean isOnlyCoreApps() { 1783 return mOnlyCore; 1784 } 1785 1786 private String getRequiredVerifierLPr() { 1787 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1788 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1789 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1790 1791 String requiredVerifier = null; 1792 1793 final int N = receivers.size(); 1794 for (int i = 0; i < N; i++) { 1795 final ResolveInfo info = receivers.get(i); 1796 1797 if (info.activityInfo == null) { 1798 continue; 1799 } 1800 1801 final String packageName = info.activityInfo.packageName; 1802 1803 final PackageSetting ps = mSettings.mPackages.get(packageName); 1804 if (ps == null) { 1805 continue; 1806 } 1807 1808 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1809 if (!gp.grantedPermissions 1810 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1811 continue; 1812 } 1813 1814 if (requiredVerifier != null) { 1815 throw new RuntimeException("There can be only one required verifier"); 1816 } 1817 1818 requiredVerifier = packageName; 1819 } 1820 1821 return requiredVerifier; 1822 } 1823 1824 @Override 1825 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1826 throws RemoteException { 1827 try { 1828 return super.onTransact(code, data, reply, flags); 1829 } catch (RuntimeException e) { 1830 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1831 Slog.wtf(TAG, "Package Manager Crash", e); 1832 } 1833 throw e; 1834 } 1835 } 1836 1837 void cleanupInstallFailedPackage(PackageSetting ps) { 1838 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1839 removeDataDirsLI(ps.name); 1840 1841 // TODO: try cleaning up codePath directory contents first, since it 1842 // might be a cluster 1843 1844 if (ps.codePath != null) { 1845 if (!ps.codePath.delete()) { 1846 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1847 } 1848 } 1849 if (ps.resourcePath != null) { 1850 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1851 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1852 } 1853 } 1854 mSettings.removePackageLPw(ps.name); 1855 } 1856 1857 static int[] appendInts(int[] cur, int[] add) { 1858 if (add == null) return cur; 1859 if (cur == null) return add; 1860 final int N = add.length; 1861 for (int i=0; i<N; i++) { 1862 cur = appendInt(cur, add[i]); 1863 } 1864 return cur; 1865 } 1866 1867 static int[] removeInts(int[] cur, int[] rem) { 1868 if (rem == null) return cur; 1869 if (cur == null) return cur; 1870 final int N = rem.length; 1871 for (int i=0; i<N; i++) { 1872 cur = removeInt(cur, rem[i]); 1873 } 1874 return cur; 1875 } 1876 1877 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1878 if (!sUserManager.exists(userId)) return null; 1879 final PackageSetting ps = (PackageSetting) p.mExtras; 1880 if (ps == null) { 1881 return null; 1882 } 1883 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1884 final PackageUserState state = ps.readUserState(userId); 1885 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1886 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1887 state, userId); 1888 } 1889 1890 @Override 1891 public boolean isPackageAvailable(String packageName, int userId) { 1892 if (!sUserManager.exists(userId)) return false; 1893 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1894 synchronized (mPackages) { 1895 PackageParser.Package p = mPackages.get(packageName); 1896 if (p != null) { 1897 final PackageSetting ps = (PackageSetting) p.mExtras; 1898 if (ps != null) { 1899 final PackageUserState state = ps.readUserState(userId); 1900 if (state != null) { 1901 return PackageParser.isAvailable(state); 1902 } 1903 } 1904 } 1905 } 1906 return false; 1907 } 1908 1909 @Override 1910 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1911 if (!sUserManager.exists(userId)) return null; 1912 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1913 // reader 1914 synchronized (mPackages) { 1915 PackageParser.Package p = mPackages.get(packageName); 1916 if (DEBUG_PACKAGE_INFO) 1917 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1918 if (p != null) { 1919 return generatePackageInfo(p, flags, userId); 1920 } 1921 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1922 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1923 } 1924 } 1925 return null; 1926 } 1927 1928 @Override 1929 public String[] currentToCanonicalPackageNames(String[] names) { 1930 String[] out = new String[names.length]; 1931 // reader 1932 synchronized (mPackages) { 1933 for (int i=names.length-1; i>=0; i--) { 1934 PackageSetting ps = mSettings.mPackages.get(names[i]); 1935 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1936 } 1937 } 1938 return out; 1939 } 1940 1941 @Override 1942 public String[] canonicalToCurrentPackageNames(String[] names) { 1943 String[] out = new String[names.length]; 1944 // reader 1945 synchronized (mPackages) { 1946 for (int i=names.length-1; i>=0; i--) { 1947 String cur = mSettings.mRenamedPackages.get(names[i]); 1948 out[i] = cur != null ? cur : names[i]; 1949 } 1950 } 1951 return out; 1952 } 1953 1954 @Override 1955 public int getPackageUid(String packageName, int userId) { 1956 if (!sUserManager.exists(userId)) return -1; 1957 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1958 // reader 1959 synchronized (mPackages) { 1960 PackageParser.Package p = mPackages.get(packageName); 1961 if(p != null) { 1962 return UserHandle.getUid(userId, p.applicationInfo.uid); 1963 } 1964 PackageSetting ps = mSettings.mPackages.get(packageName); 1965 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1966 return -1; 1967 } 1968 p = ps.pkg; 1969 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1970 } 1971 } 1972 1973 @Override 1974 public int[] getPackageGids(String packageName) { 1975 // reader 1976 synchronized (mPackages) { 1977 PackageParser.Package p = mPackages.get(packageName); 1978 if (DEBUG_PACKAGE_INFO) 1979 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1980 if (p != null) { 1981 final PackageSetting ps = (PackageSetting)p.mExtras; 1982 return ps.getGids(); 1983 } 1984 } 1985 // stupid thing to indicate an error. 1986 return new int[0]; 1987 } 1988 1989 static final PermissionInfo generatePermissionInfo( 1990 BasePermission bp, int flags) { 1991 if (bp.perm != null) { 1992 return PackageParser.generatePermissionInfo(bp.perm, flags); 1993 } 1994 PermissionInfo pi = new PermissionInfo(); 1995 pi.name = bp.name; 1996 pi.packageName = bp.sourcePackage; 1997 pi.nonLocalizedLabel = bp.name; 1998 pi.protectionLevel = bp.protectionLevel; 1999 return pi; 2000 } 2001 2002 @Override 2003 public PermissionInfo getPermissionInfo(String name, int flags) { 2004 // reader 2005 synchronized (mPackages) { 2006 final BasePermission p = mSettings.mPermissions.get(name); 2007 if (p != null) { 2008 return generatePermissionInfo(p, flags); 2009 } 2010 return null; 2011 } 2012 } 2013 2014 @Override 2015 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2016 // reader 2017 synchronized (mPackages) { 2018 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2019 for (BasePermission p : mSettings.mPermissions.values()) { 2020 if (group == null) { 2021 if (p.perm == null || p.perm.info.group == null) { 2022 out.add(generatePermissionInfo(p, flags)); 2023 } 2024 } else { 2025 if (p.perm != null && group.equals(p.perm.info.group)) { 2026 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2027 } 2028 } 2029 } 2030 2031 if (out.size() > 0) { 2032 return out; 2033 } 2034 return mPermissionGroups.containsKey(group) ? out : null; 2035 } 2036 } 2037 2038 @Override 2039 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2040 // reader 2041 synchronized (mPackages) { 2042 return PackageParser.generatePermissionGroupInfo( 2043 mPermissionGroups.get(name), flags); 2044 } 2045 } 2046 2047 @Override 2048 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2049 // reader 2050 synchronized (mPackages) { 2051 final int N = mPermissionGroups.size(); 2052 ArrayList<PermissionGroupInfo> out 2053 = new ArrayList<PermissionGroupInfo>(N); 2054 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2055 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2056 } 2057 return out; 2058 } 2059 } 2060 2061 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2062 int userId) { 2063 if (!sUserManager.exists(userId)) return null; 2064 PackageSetting ps = mSettings.mPackages.get(packageName); 2065 if (ps != null) { 2066 if (ps.pkg == null) { 2067 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2068 flags, userId); 2069 if (pInfo != null) { 2070 return pInfo.applicationInfo; 2071 } 2072 return null; 2073 } 2074 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2075 ps.readUserState(userId), userId); 2076 } 2077 return null; 2078 } 2079 2080 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2081 int userId) { 2082 if (!sUserManager.exists(userId)) return null; 2083 PackageSetting ps = mSettings.mPackages.get(packageName); 2084 if (ps != null) { 2085 PackageParser.Package pkg = ps.pkg; 2086 if (pkg == null) { 2087 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2088 return null; 2089 } 2090 // Only data remains, so we aren't worried about code paths 2091 pkg = new PackageParser.Package(packageName); 2092 pkg.applicationInfo.packageName = packageName; 2093 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2094 pkg.applicationInfo.dataDir = 2095 getDataPathForPackage(packageName, 0).getPath(); 2096 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2097 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2098 } 2099 return generatePackageInfo(pkg, flags, userId); 2100 } 2101 return null; 2102 } 2103 2104 @Override 2105 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2106 if (!sUserManager.exists(userId)) return null; 2107 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2108 // writer 2109 synchronized (mPackages) { 2110 PackageParser.Package p = mPackages.get(packageName); 2111 if (DEBUG_PACKAGE_INFO) Log.v( 2112 TAG, "getApplicationInfo " + packageName 2113 + ": " + p); 2114 if (p != null) { 2115 PackageSetting ps = mSettings.mPackages.get(packageName); 2116 if (ps == null) return null; 2117 // Note: isEnabledLP() does not apply here - always return info 2118 return PackageParser.generateApplicationInfo( 2119 p, flags, ps.readUserState(userId), userId); 2120 } 2121 if ("android".equals(packageName)||"system".equals(packageName)) { 2122 return mAndroidApplication; 2123 } 2124 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2125 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2126 } 2127 } 2128 return null; 2129 } 2130 2131 2132 @Override 2133 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2134 mContext.enforceCallingOrSelfPermission( 2135 android.Manifest.permission.CLEAR_APP_CACHE, null); 2136 // Queue up an async operation since clearing cache may take a little while. 2137 mHandler.post(new Runnable() { 2138 public void run() { 2139 mHandler.removeCallbacks(this); 2140 int retCode = -1; 2141 synchronized (mInstallLock) { 2142 retCode = mInstaller.freeCache(freeStorageSize); 2143 if (retCode < 0) { 2144 Slog.w(TAG, "Couldn't clear application caches"); 2145 } 2146 } 2147 if (observer != null) { 2148 try { 2149 observer.onRemoveCompleted(null, (retCode >= 0)); 2150 } catch (RemoteException e) { 2151 Slog.w(TAG, "RemoveException when invoking call back"); 2152 } 2153 } 2154 } 2155 }); 2156 } 2157 2158 @Override 2159 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2160 mContext.enforceCallingOrSelfPermission( 2161 android.Manifest.permission.CLEAR_APP_CACHE, null); 2162 // Queue up an async operation since clearing cache may take a little while. 2163 mHandler.post(new Runnable() { 2164 public void run() { 2165 mHandler.removeCallbacks(this); 2166 int retCode = -1; 2167 synchronized (mInstallLock) { 2168 retCode = mInstaller.freeCache(freeStorageSize); 2169 if (retCode < 0) { 2170 Slog.w(TAG, "Couldn't clear application caches"); 2171 } 2172 } 2173 if(pi != null) { 2174 try { 2175 // Callback via pending intent 2176 int code = (retCode >= 0) ? 1 : 0; 2177 pi.sendIntent(null, code, null, 2178 null, null); 2179 } catch (SendIntentException e1) { 2180 Slog.i(TAG, "Failed to send pending intent"); 2181 } 2182 } 2183 } 2184 }); 2185 } 2186 2187 void freeStorage(long freeStorageSize) throws IOException { 2188 synchronized (mInstallLock) { 2189 if (mInstaller.freeCache(freeStorageSize) < 0) { 2190 throw new IOException("Failed to free enough space"); 2191 } 2192 } 2193 } 2194 2195 @Override 2196 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2197 if (!sUserManager.exists(userId)) return null; 2198 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2199 synchronized (mPackages) { 2200 PackageParser.Activity a = mActivities.mActivities.get(component); 2201 2202 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2203 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2204 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2205 if (ps == null) return null; 2206 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2207 userId); 2208 } 2209 if (mResolveComponentName.equals(component)) { 2210 return mResolveActivity; 2211 } 2212 } 2213 return null; 2214 } 2215 2216 @Override 2217 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2218 String resolvedType) { 2219 synchronized (mPackages) { 2220 PackageParser.Activity a = mActivities.mActivities.get(component); 2221 if (a == null) { 2222 return false; 2223 } 2224 for (int i=0; i<a.intents.size(); i++) { 2225 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2226 intent.getData(), intent.getCategories(), TAG) >= 0) { 2227 return true; 2228 } 2229 } 2230 return false; 2231 } 2232 } 2233 2234 @Override 2235 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2236 if (!sUserManager.exists(userId)) return null; 2237 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2238 synchronized (mPackages) { 2239 PackageParser.Activity a = mReceivers.mActivities.get(component); 2240 if (DEBUG_PACKAGE_INFO) Log.v( 2241 TAG, "getReceiverInfo " + component + ": " + a); 2242 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2243 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2244 if (ps == null) return null; 2245 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2246 userId); 2247 } 2248 } 2249 return null; 2250 } 2251 2252 @Override 2253 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2254 if (!sUserManager.exists(userId)) return null; 2255 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2256 synchronized (mPackages) { 2257 PackageParser.Service s = mServices.mServices.get(component); 2258 if (DEBUG_PACKAGE_INFO) Log.v( 2259 TAG, "getServiceInfo " + component + ": " + s); 2260 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2261 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2262 if (ps == null) return null; 2263 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2264 userId); 2265 } 2266 } 2267 return null; 2268 } 2269 2270 @Override 2271 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2272 if (!sUserManager.exists(userId)) return null; 2273 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2274 synchronized (mPackages) { 2275 PackageParser.Provider p = mProviders.mProviders.get(component); 2276 if (DEBUG_PACKAGE_INFO) Log.v( 2277 TAG, "getProviderInfo " + component + ": " + p); 2278 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2279 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2280 if (ps == null) return null; 2281 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2282 userId); 2283 } 2284 } 2285 return null; 2286 } 2287 2288 @Override 2289 public String[] getSystemSharedLibraryNames() { 2290 Set<String> libSet; 2291 synchronized (mPackages) { 2292 libSet = mSharedLibraries.keySet(); 2293 int size = libSet.size(); 2294 if (size > 0) { 2295 String[] libs = new String[size]; 2296 libSet.toArray(libs); 2297 return libs; 2298 } 2299 } 2300 return null; 2301 } 2302 2303 @Override 2304 public FeatureInfo[] getSystemAvailableFeatures() { 2305 Collection<FeatureInfo> featSet; 2306 synchronized (mPackages) { 2307 featSet = mAvailableFeatures.values(); 2308 int size = featSet.size(); 2309 if (size > 0) { 2310 FeatureInfo[] features = new FeatureInfo[size+1]; 2311 featSet.toArray(features); 2312 FeatureInfo fi = new FeatureInfo(); 2313 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2314 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2315 features[size] = fi; 2316 return features; 2317 } 2318 } 2319 return null; 2320 } 2321 2322 @Override 2323 public boolean hasSystemFeature(String name) { 2324 synchronized (mPackages) { 2325 return mAvailableFeatures.containsKey(name); 2326 } 2327 } 2328 2329 private void checkValidCaller(int uid, int userId) { 2330 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2331 return; 2332 2333 throw new SecurityException("Caller uid=" + uid 2334 + " is not privileged to communicate with user=" + userId); 2335 } 2336 2337 @Override 2338 public int checkPermission(String permName, String pkgName) { 2339 synchronized (mPackages) { 2340 PackageParser.Package p = mPackages.get(pkgName); 2341 if (p != null && p.mExtras != null) { 2342 PackageSetting ps = (PackageSetting)p.mExtras; 2343 if (ps.sharedUser != null) { 2344 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2345 return PackageManager.PERMISSION_GRANTED; 2346 } 2347 } else if (ps.grantedPermissions.contains(permName)) { 2348 return PackageManager.PERMISSION_GRANTED; 2349 } 2350 } 2351 } 2352 return PackageManager.PERMISSION_DENIED; 2353 } 2354 2355 @Override 2356 public int checkUidPermission(String permName, int uid) { 2357 synchronized (mPackages) { 2358 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2359 if (obj != null) { 2360 GrantedPermissions gp = (GrantedPermissions)obj; 2361 if (gp.grantedPermissions.contains(permName)) { 2362 return PackageManager.PERMISSION_GRANTED; 2363 } 2364 } else { 2365 HashSet<String> perms = mSystemPermissions.get(uid); 2366 if (perms != null && perms.contains(permName)) { 2367 return PackageManager.PERMISSION_GRANTED; 2368 } 2369 } 2370 } 2371 return PackageManager.PERMISSION_DENIED; 2372 } 2373 2374 /** 2375 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2376 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2377 * @param message the message to log on security exception 2378 */ 2379 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2380 String message) { 2381 if (userId < 0) { 2382 throw new IllegalArgumentException("Invalid userId " + userId); 2383 } 2384 if (userId == UserHandle.getUserId(callingUid)) return; 2385 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2386 if (requireFullPermission) { 2387 mContext.enforceCallingOrSelfPermission( 2388 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2389 } else { 2390 try { 2391 mContext.enforceCallingOrSelfPermission( 2392 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2393 } catch (SecurityException se) { 2394 mContext.enforceCallingOrSelfPermission( 2395 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2396 } 2397 } 2398 } 2399 } 2400 2401 private BasePermission findPermissionTreeLP(String permName) { 2402 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2403 if (permName.startsWith(bp.name) && 2404 permName.length() > bp.name.length() && 2405 permName.charAt(bp.name.length()) == '.') { 2406 return bp; 2407 } 2408 } 2409 return null; 2410 } 2411 2412 private BasePermission checkPermissionTreeLP(String permName) { 2413 if (permName != null) { 2414 BasePermission bp = findPermissionTreeLP(permName); 2415 if (bp != null) { 2416 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2417 return bp; 2418 } 2419 throw new SecurityException("Calling uid " 2420 + Binder.getCallingUid() 2421 + " is not allowed to add to permission tree " 2422 + bp.name + " owned by uid " + bp.uid); 2423 } 2424 } 2425 throw new SecurityException("No permission tree found for " + permName); 2426 } 2427 2428 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2429 if (s1 == null) { 2430 return s2 == null; 2431 } 2432 if (s2 == null) { 2433 return false; 2434 } 2435 if (s1.getClass() != s2.getClass()) { 2436 return false; 2437 } 2438 return s1.equals(s2); 2439 } 2440 2441 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2442 if (pi1.icon != pi2.icon) return false; 2443 if (pi1.logo != pi2.logo) return false; 2444 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2445 if (!compareStrings(pi1.name, pi2.name)) return false; 2446 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2447 // We'll take care of setting this one. 2448 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2449 // These are not currently stored in settings. 2450 //if (!compareStrings(pi1.group, pi2.group)) return false; 2451 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2452 //if (pi1.labelRes != pi2.labelRes) return false; 2453 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2454 return true; 2455 } 2456 2457 int permissionInfoFootprint(PermissionInfo info) { 2458 int size = info.name.length(); 2459 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2460 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2461 return size; 2462 } 2463 2464 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2465 int size = 0; 2466 for (BasePermission perm : mSettings.mPermissions.values()) { 2467 if (perm.uid == tree.uid) { 2468 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2469 } 2470 } 2471 return size; 2472 } 2473 2474 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2475 // We calculate the max size of permissions defined by this uid and throw 2476 // if that plus the size of 'info' would exceed our stated maximum. 2477 if (tree.uid != Process.SYSTEM_UID) { 2478 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2479 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2480 throw new SecurityException("Permission tree size cap exceeded"); 2481 } 2482 } 2483 } 2484 2485 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2486 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2487 throw new SecurityException("Label must be specified in permission"); 2488 } 2489 BasePermission tree = checkPermissionTreeLP(info.name); 2490 BasePermission bp = mSettings.mPermissions.get(info.name); 2491 boolean added = bp == null; 2492 boolean changed = true; 2493 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2494 if (added) { 2495 enforcePermissionCapLocked(info, tree); 2496 bp = new BasePermission(info.name, tree.sourcePackage, 2497 BasePermission.TYPE_DYNAMIC); 2498 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2499 throw new SecurityException( 2500 "Not allowed to modify non-dynamic permission " 2501 + info.name); 2502 } else { 2503 if (bp.protectionLevel == fixedLevel 2504 && bp.perm.owner.equals(tree.perm.owner) 2505 && bp.uid == tree.uid 2506 && comparePermissionInfos(bp.perm.info, info)) { 2507 changed = false; 2508 } 2509 } 2510 bp.protectionLevel = fixedLevel; 2511 info = new PermissionInfo(info); 2512 info.protectionLevel = fixedLevel; 2513 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2514 bp.perm.info.packageName = tree.perm.info.packageName; 2515 bp.uid = tree.uid; 2516 if (added) { 2517 mSettings.mPermissions.put(info.name, bp); 2518 } 2519 if (changed) { 2520 if (!async) { 2521 mSettings.writeLPr(); 2522 } else { 2523 scheduleWriteSettingsLocked(); 2524 } 2525 } 2526 return added; 2527 } 2528 2529 @Override 2530 public boolean addPermission(PermissionInfo info) { 2531 synchronized (mPackages) { 2532 return addPermissionLocked(info, false); 2533 } 2534 } 2535 2536 @Override 2537 public boolean addPermissionAsync(PermissionInfo info) { 2538 synchronized (mPackages) { 2539 return addPermissionLocked(info, true); 2540 } 2541 } 2542 2543 @Override 2544 public void removePermission(String name) { 2545 synchronized (mPackages) { 2546 checkPermissionTreeLP(name); 2547 BasePermission bp = mSettings.mPermissions.get(name); 2548 if (bp != null) { 2549 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2550 throw new SecurityException( 2551 "Not allowed to modify non-dynamic permission " 2552 + name); 2553 } 2554 mSettings.mPermissions.remove(name); 2555 mSettings.writeLPr(); 2556 } 2557 } 2558 } 2559 2560 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2561 int index = pkg.requestedPermissions.indexOf(bp.name); 2562 if (index == -1) { 2563 throw new SecurityException("Package " + pkg.packageName 2564 + " has not requested permission " + bp.name); 2565 } 2566 boolean isNormal = 2567 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2568 == PermissionInfo.PROTECTION_NORMAL); 2569 boolean isDangerous = 2570 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2571 == PermissionInfo.PROTECTION_DANGEROUS); 2572 boolean isDevelopment = 2573 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2574 2575 if (!isNormal && !isDangerous && !isDevelopment) { 2576 throw new SecurityException("Permission " + bp.name 2577 + " is not a changeable permission type"); 2578 } 2579 2580 if (isNormal || isDangerous) { 2581 if (pkg.requestedPermissionsRequired.get(index)) { 2582 throw new SecurityException("Can't change " + bp.name 2583 + ". It is required by the application"); 2584 } 2585 } 2586 } 2587 2588 @Override 2589 public void grantPermission(String packageName, String permissionName) { 2590 mContext.enforceCallingOrSelfPermission( 2591 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2592 synchronized (mPackages) { 2593 final PackageParser.Package pkg = mPackages.get(packageName); 2594 if (pkg == null) { 2595 throw new IllegalArgumentException("Unknown package: " + packageName); 2596 } 2597 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2598 if (bp == null) { 2599 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2600 } 2601 2602 checkGrantRevokePermissions(pkg, bp); 2603 2604 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2605 if (ps == null) { 2606 return; 2607 } 2608 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2609 if (gp.grantedPermissions.add(permissionName)) { 2610 if (ps.haveGids) { 2611 gp.gids = appendInts(gp.gids, bp.gids); 2612 } 2613 mSettings.writeLPr(); 2614 } 2615 } 2616 } 2617 2618 @Override 2619 public void revokePermission(String packageName, String permissionName) { 2620 int changedAppId = -1; 2621 2622 synchronized (mPackages) { 2623 final PackageParser.Package pkg = mPackages.get(packageName); 2624 if (pkg == null) { 2625 throw new IllegalArgumentException("Unknown package: " + packageName); 2626 } 2627 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2628 mContext.enforceCallingOrSelfPermission( 2629 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2630 } 2631 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2632 if (bp == null) { 2633 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2634 } 2635 2636 checkGrantRevokePermissions(pkg, bp); 2637 2638 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2639 if (ps == null) { 2640 return; 2641 } 2642 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2643 if (gp.grantedPermissions.remove(permissionName)) { 2644 gp.grantedPermissions.remove(permissionName); 2645 if (ps.haveGids) { 2646 gp.gids = removeInts(gp.gids, bp.gids); 2647 } 2648 mSettings.writeLPr(); 2649 changedAppId = ps.appId; 2650 } 2651 } 2652 2653 if (changedAppId >= 0) { 2654 // We changed the perm on someone, kill its processes. 2655 IActivityManager am = ActivityManagerNative.getDefault(); 2656 if (am != null) { 2657 final int callingUserId = UserHandle.getCallingUserId(); 2658 final long ident = Binder.clearCallingIdentity(); 2659 try { 2660 //XXX we should only revoke for the calling user's app permissions, 2661 // but for now we impact all users. 2662 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2663 // "revoke " + permissionName); 2664 int[] users = sUserManager.getUserIds(); 2665 for (int user : users) { 2666 am.killUid(UserHandle.getUid(user, changedAppId), 2667 "revoke " + permissionName); 2668 } 2669 } catch (RemoteException e) { 2670 } finally { 2671 Binder.restoreCallingIdentity(ident); 2672 } 2673 } 2674 } 2675 } 2676 2677 @Override 2678 public boolean isProtectedBroadcast(String actionName) { 2679 synchronized (mPackages) { 2680 return mProtectedBroadcasts.contains(actionName); 2681 } 2682 } 2683 2684 @Override 2685 public int checkSignatures(String pkg1, String pkg2) { 2686 synchronized (mPackages) { 2687 final PackageParser.Package p1 = mPackages.get(pkg1); 2688 final PackageParser.Package p2 = mPackages.get(pkg2); 2689 if (p1 == null || p1.mExtras == null 2690 || p2 == null || p2.mExtras == null) { 2691 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2692 } 2693 return compareSignatures(p1.mSignatures, p2.mSignatures); 2694 } 2695 } 2696 2697 @Override 2698 public int checkUidSignatures(int uid1, int uid2) { 2699 // Map to base uids. 2700 uid1 = UserHandle.getAppId(uid1); 2701 uid2 = UserHandle.getAppId(uid2); 2702 // reader 2703 synchronized (mPackages) { 2704 Signature[] s1; 2705 Signature[] s2; 2706 Object obj = mSettings.getUserIdLPr(uid1); 2707 if (obj != null) { 2708 if (obj instanceof SharedUserSetting) { 2709 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2710 } else if (obj instanceof PackageSetting) { 2711 s1 = ((PackageSetting)obj).signatures.mSignatures; 2712 } else { 2713 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2714 } 2715 } else { 2716 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2717 } 2718 obj = mSettings.getUserIdLPr(uid2); 2719 if (obj != null) { 2720 if (obj instanceof SharedUserSetting) { 2721 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2722 } else if (obj instanceof PackageSetting) { 2723 s2 = ((PackageSetting)obj).signatures.mSignatures; 2724 } else { 2725 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2726 } 2727 } else { 2728 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2729 } 2730 return compareSignatures(s1, s2); 2731 } 2732 } 2733 2734 /** 2735 * Compares two sets of signatures. Returns: 2736 * <br /> 2737 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2738 * <br /> 2739 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2740 * <br /> 2741 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2742 * <br /> 2743 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2744 * <br /> 2745 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2746 */ 2747 static int compareSignatures(Signature[] s1, Signature[] s2) { 2748 if (s1 == null) { 2749 return s2 == null 2750 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2751 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2752 } 2753 2754 if (s2 == null) { 2755 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2756 } 2757 2758 if (s1.length != s2.length) { 2759 return PackageManager.SIGNATURE_NO_MATCH; 2760 } 2761 2762 // Since both signature sets are of size 1, we can compare without HashSets. 2763 if (s1.length == 1) { 2764 return s1[0].equals(s2[0]) ? 2765 PackageManager.SIGNATURE_MATCH : 2766 PackageManager.SIGNATURE_NO_MATCH; 2767 } 2768 2769 HashSet<Signature> set1 = new HashSet<Signature>(); 2770 for (Signature sig : s1) { 2771 set1.add(sig); 2772 } 2773 HashSet<Signature> set2 = new HashSet<Signature>(); 2774 for (Signature sig : s2) { 2775 set2.add(sig); 2776 } 2777 // Make sure s2 contains all signatures in s1. 2778 if (set1.equals(set2)) { 2779 return PackageManager.SIGNATURE_MATCH; 2780 } 2781 return PackageManager.SIGNATURE_NO_MATCH; 2782 } 2783 2784 /** 2785 * If the database version for this type of package (internal storage or 2786 * external storage) is less than the version where package signatures 2787 * were updated, return true. 2788 */ 2789 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2790 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2791 DatabaseVersion.SIGNATURE_END_ENTITY)) 2792 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2793 DatabaseVersion.SIGNATURE_END_ENTITY)); 2794 } 2795 2796 /** 2797 * Used for backward compatibility to make sure any packages with 2798 * certificate chains get upgraded to the new style. {@code existingSigs} 2799 * will be in the old format (since they were stored on disk from before the 2800 * system upgrade) and {@code scannedSigs} will be in the newer format. 2801 */ 2802 private int compareSignaturesCompat(PackageSignatures existingSigs, 2803 PackageParser.Package scannedPkg) { 2804 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2805 return PackageManager.SIGNATURE_NO_MATCH; 2806 } 2807 2808 HashSet<Signature> existingSet = new HashSet<Signature>(); 2809 for (Signature sig : existingSigs.mSignatures) { 2810 existingSet.add(sig); 2811 } 2812 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2813 for (Signature sig : scannedPkg.mSignatures) { 2814 try { 2815 Signature[] chainSignatures = sig.getChainSignatures(); 2816 for (Signature chainSig : chainSignatures) { 2817 scannedCompatSet.add(chainSig); 2818 } 2819 } catch (CertificateEncodingException e) { 2820 scannedCompatSet.add(sig); 2821 } 2822 } 2823 /* 2824 * Make sure the expanded scanned set contains all signatures in the 2825 * existing one. 2826 */ 2827 if (scannedCompatSet.equals(existingSet)) { 2828 // Migrate the old signatures to the new scheme. 2829 existingSigs.assignSignatures(scannedPkg.mSignatures); 2830 // The new KeySets will be re-added later in the scanning process. 2831 synchronized (mPackages) { 2832 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2833 } 2834 return PackageManager.SIGNATURE_MATCH; 2835 } 2836 return PackageManager.SIGNATURE_NO_MATCH; 2837 } 2838 2839 @Override 2840 public String[] getPackagesForUid(int uid) { 2841 uid = UserHandle.getAppId(uid); 2842 // reader 2843 synchronized (mPackages) { 2844 Object obj = mSettings.getUserIdLPr(uid); 2845 if (obj instanceof SharedUserSetting) { 2846 final SharedUserSetting sus = (SharedUserSetting) obj; 2847 final int N = sus.packages.size(); 2848 final String[] res = new String[N]; 2849 final Iterator<PackageSetting> it = sus.packages.iterator(); 2850 int i = 0; 2851 while (it.hasNext()) { 2852 res[i++] = it.next().name; 2853 } 2854 return res; 2855 } else if (obj instanceof PackageSetting) { 2856 final PackageSetting ps = (PackageSetting) obj; 2857 return new String[] { ps.name }; 2858 } 2859 } 2860 return null; 2861 } 2862 2863 @Override 2864 public String getNameForUid(int uid) { 2865 // reader 2866 synchronized (mPackages) { 2867 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2868 if (obj instanceof SharedUserSetting) { 2869 final SharedUserSetting sus = (SharedUserSetting) obj; 2870 return sus.name + ":" + sus.userId; 2871 } else if (obj instanceof PackageSetting) { 2872 final PackageSetting ps = (PackageSetting) obj; 2873 return ps.name; 2874 } 2875 } 2876 return null; 2877 } 2878 2879 @Override 2880 public int getUidForSharedUser(String sharedUserName) { 2881 if(sharedUserName == null) { 2882 return -1; 2883 } 2884 // reader 2885 synchronized (mPackages) { 2886 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2887 if (suid == null) { 2888 return -1; 2889 } 2890 return suid.userId; 2891 } 2892 } 2893 2894 @Override 2895 public int getFlagsForUid(int uid) { 2896 synchronized (mPackages) { 2897 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2898 if (obj instanceof SharedUserSetting) { 2899 final SharedUserSetting sus = (SharedUserSetting) obj; 2900 return sus.pkgFlags; 2901 } else if (obj instanceof PackageSetting) { 2902 final PackageSetting ps = (PackageSetting) obj; 2903 return ps.pkgFlags; 2904 } 2905 } 2906 return 0; 2907 } 2908 2909 @Override 2910 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2911 int flags, int userId) { 2912 if (!sUserManager.exists(userId)) return null; 2913 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2914 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2915 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2916 } 2917 2918 @Override 2919 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2920 IntentFilter filter, int match, ComponentName activity) { 2921 final int userId = UserHandle.getCallingUserId(); 2922 if (DEBUG_PREFERRED) { 2923 Log.v(TAG, "setLastChosenActivity intent=" + intent 2924 + " resolvedType=" + resolvedType 2925 + " flags=" + flags 2926 + " filter=" + filter 2927 + " match=" + match 2928 + " activity=" + activity); 2929 filter.dump(new PrintStreamPrinter(System.out), " "); 2930 } 2931 intent.setComponent(null); 2932 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2933 // Find any earlier preferred or last chosen entries and nuke them 2934 findPreferredActivity(intent, resolvedType, 2935 flags, query, 0, false, true, false, userId); 2936 // Add the new activity as the last chosen for this filter 2937 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2938 } 2939 2940 @Override 2941 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2942 final int userId = UserHandle.getCallingUserId(); 2943 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2944 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2945 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2946 false, false, false, userId); 2947 } 2948 2949 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2950 int flags, List<ResolveInfo> query, int userId) { 2951 if (query != null) { 2952 final int N = query.size(); 2953 if (N == 1) { 2954 return query.get(0); 2955 } else if (N > 1) { 2956 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2957 // If there is more than one activity with the same priority, 2958 // then let the user decide between them. 2959 ResolveInfo r0 = query.get(0); 2960 ResolveInfo r1 = query.get(1); 2961 if (DEBUG_INTENT_MATCHING || debug) { 2962 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2963 + r1.activityInfo.name + "=" + r1.priority); 2964 } 2965 // If the first activity has a higher priority, or a different 2966 // default, then it is always desireable to pick it. 2967 if (r0.priority != r1.priority 2968 || r0.preferredOrder != r1.preferredOrder 2969 || r0.isDefault != r1.isDefault) { 2970 return query.get(0); 2971 } 2972 // If we have saved a preference for a preferred activity for 2973 // this Intent, use that. 2974 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2975 flags, query, r0.priority, true, false, debug, userId); 2976 if (ri != null) { 2977 return ri; 2978 } 2979 if (userId != 0) { 2980 ri = new ResolveInfo(mResolveInfo); 2981 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2982 ri.activityInfo.applicationInfo = new ApplicationInfo( 2983 ri.activityInfo.applicationInfo); 2984 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2985 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2986 return ri; 2987 } 2988 return mResolveInfo; 2989 } 2990 } 2991 return null; 2992 } 2993 2994 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2995 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2996 final int N = query.size(); 2997 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2998 .get(userId); 2999 // Get the list of persistent preferred activities that handle the intent 3000 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3001 List<PersistentPreferredActivity> pprefs = ppir != null 3002 ? ppir.queryIntent(intent, resolvedType, 3003 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3004 : null; 3005 if (pprefs != null && pprefs.size() > 0) { 3006 final int M = pprefs.size(); 3007 for (int i=0; i<M; i++) { 3008 final PersistentPreferredActivity ppa = pprefs.get(i); 3009 if (DEBUG_PREFERRED || debug) { 3010 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3011 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3012 + "\n component=" + ppa.mComponent); 3013 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3014 } 3015 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3016 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3017 if (DEBUG_PREFERRED || debug) { 3018 Slog.v(TAG, "Found persistent preferred activity:"); 3019 if (ai != null) { 3020 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3021 } else { 3022 Slog.v(TAG, " null"); 3023 } 3024 } 3025 if (ai == null) { 3026 // This previously registered persistent preferred activity 3027 // component is no longer known. Ignore it and do NOT remove it. 3028 continue; 3029 } 3030 for (int j=0; j<N; j++) { 3031 final ResolveInfo ri = query.get(j); 3032 if (!ri.activityInfo.applicationInfo.packageName 3033 .equals(ai.applicationInfo.packageName)) { 3034 continue; 3035 } 3036 if (!ri.activityInfo.name.equals(ai.name)) { 3037 continue; 3038 } 3039 // Found a persistent preference that can handle the intent. 3040 if (DEBUG_PREFERRED || debug) { 3041 Slog.v(TAG, "Returning persistent preferred activity: " + 3042 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3043 } 3044 return ri; 3045 } 3046 } 3047 } 3048 return null; 3049 } 3050 3051 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3052 List<ResolveInfo> query, int priority, boolean always, 3053 boolean removeMatches, boolean debug, int userId) { 3054 if (!sUserManager.exists(userId)) return null; 3055 // writer 3056 synchronized (mPackages) { 3057 if (intent.getSelector() != null) { 3058 intent = intent.getSelector(); 3059 } 3060 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3061 3062 // Try to find a matching persistent preferred activity. 3063 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3064 debug, userId); 3065 3066 // If a persistent preferred activity matched, use it. 3067 if (pri != null) { 3068 return pri; 3069 } 3070 3071 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3072 // Get the list of preferred activities that handle the intent 3073 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3074 List<PreferredActivity> prefs = pir != null 3075 ? pir.queryIntent(intent, resolvedType, 3076 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3077 : null; 3078 if (prefs != null && prefs.size() > 0) { 3079 // First figure out how good the original match set is. 3080 // We will only allow preferred activities that came 3081 // from the same match quality. 3082 int match = 0; 3083 3084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3085 3086 final int N = query.size(); 3087 for (int j=0; j<N; j++) { 3088 final ResolveInfo ri = query.get(j); 3089 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3090 + ": 0x" + Integer.toHexString(match)); 3091 if (ri.match > match) { 3092 match = ri.match; 3093 } 3094 } 3095 3096 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3097 + Integer.toHexString(match)); 3098 3099 match &= IntentFilter.MATCH_CATEGORY_MASK; 3100 final int M = prefs.size(); 3101 for (int i=0; i<M; i++) { 3102 final PreferredActivity pa = prefs.get(i); 3103 if (DEBUG_PREFERRED || debug) { 3104 Slog.v(TAG, "Checking PreferredActivity ds=" 3105 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3106 + "\n component=" + pa.mPref.mComponent); 3107 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3108 } 3109 if (pa.mPref.mMatch != match) { 3110 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3111 + Integer.toHexString(pa.mPref.mMatch)); 3112 continue; 3113 } 3114 // If it's not an "always" type preferred activity and that's what we're 3115 // looking for, skip it. 3116 if (always && !pa.mPref.mAlways) { 3117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3118 continue; 3119 } 3120 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3121 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3122 if (DEBUG_PREFERRED || debug) { 3123 Slog.v(TAG, "Found preferred activity:"); 3124 if (ai != null) { 3125 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3126 } else { 3127 Slog.v(TAG, " null"); 3128 } 3129 } 3130 if (ai == null) { 3131 // This previously registered preferred activity 3132 // component is no longer known. Most likely an update 3133 // to the app was installed and in the new version this 3134 // component no longer exists. Clean it up by removing 3135 // it from the preferred activities list, and skip it. 3136 Slog.w(TAG, "Removing dangling preferred activity: " 3137 + pa.mPref.mComponent); 3138 pir.removeFilter(pa); 3139 continue; 3140 } 3141 for (int j=0; j<N; j++) { 3142 final ResolveInfo ri = query.get(j); 3143 if (!ri.activityInfo.applicationInfo.packageName 3144 .equals(ai.applicationInfo.packageName)) { 3145 continue; 3146 } 3147 if (!ri.activityInfo.name.equals(ai.name)) { 3148 continue; 3149 } 3150 3151 if (removeMatches) { 3152 pir.removeFilter(pa); 3153 if (DEBUG_PREFERRED) { 3154 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3155 } 3156 break; 3157 } 3158 3159 // Okay we found a previously set preferred or last chosen app. 3160 // If the result set is different from when this 3161 // was created, we need to clear it and re-ask the 3162 // user their preference, if we're looking for an "always" type entry. 3163 if (always && !pa.mPref.sameSet(query, priority)) { 3164 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3165 + intent + " type " + resolvedType); 3166 if (DEBUG_PREFERRED) { 3167 Slog.v(TAG, "Removing preferred activity since set changed " 3168 + pa.mPref.mComponent); 3169 } 3170 pir.removeFilter(pa); 3171 // Re-add the filter as a "last chosen" entry (!always) 3172 PreferredActivity lastChosen = new PreferredActivity( 3173 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3174 pir.addFilter(lastChosen); 3175 mSettings.writePackageRestrictionsLPr(userId); 3176 return null; 3177 } 3178 3179 // Yay! Either the set matched or we're looking for the last chosen 3180 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3181 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3182 mSettings.writePackageRestrictionsLPr(userId); 3183 return ri; 3184 } 3185 } 3186 } 3187 mSettings.writePackageRestrictionsLPr(userId); 3188 } 3189 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3190 return null; 3191 } 3192 3193 /* 3194 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3195 */ 3196 @Override 3197 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3198 int targetUserId) { 3199 mContext.enforceCallingOrSelfPermission( 3200 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3201 List<CrossProfileIntentFilter> matches = 3202 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3203 if (matches != null) { 3204 int size = matches.size(); 3205 for (int i = 0; i < size; i++) { 3206 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3207 } 3208 } 3209 3210 ArrayList<String> packageNames = null; 3211 SparseArray<ArrayList<String>> fromSource = 3212 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3213 if (fromSource != null) { 3214 packageNames = fromSource.get(targetUserId); 3215 } 3216 if (packageNames.contains(intent.getPackage())) { 3217 return true; 3218 } 3219 // We need the package name, so we try to resolve with the loosest flags possible 3220 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3221 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3222 int count = resolveInfos.size(); 3223 for (int i = 0; i < count; i++) { 3224 ResolveInfo resolveInfo = resolveInfos.get(i); 3225 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3226 return true; 3227 } 3228 } 3229 return false; 3230 } 3231 3232 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3233 String resolvedType, int userId) { 3234 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3235 if (resolver != null) { 3236 return resolver.queryIntent(intent, resolvedType, false, userId); 3237 } 3238 return null; 3239 } 3240 3241 @Override 3242 public List<ResolveInfo> queryIntentActivities(Intent intent, 3243 String resolvedType, int flags, int userId) { 3244 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3245 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3246 ComponentName comp = intent.getComponent(); 3247 if (comp == null) { 3248 if (intent.getSelector() != null) { 3249 intent = intent.getSelector(); 3250 comp = intent.getComponent(); 3251 } 3252 } 3253 3254 if (comp != null) { 3255 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3256 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3257 if (ai != null) { 3258 final ResolveInfo ri = new ResolveInfo(); 3259 ri.activityInfo = ai; 3260 list.add(ri); 3261 } 3262 return list; 3263 } 3264 3265 // reader 3266 synchronized (mPackages) { 3267 final String pkgName = intent.getPackage(); 3268 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3269 if (pkgName == null) { 3270 ResolveInfo resolveInfo = null; 3271 if (queryCrossProfile) { 3272 // Check if the intent needs to be forwarded to another user for this package 3273 ArrayList<ResolveInfo> crossProfileResult = 3274 queryIntentActivitiesCrossProfilePackage( 3275 intent, resolvedType, flags, userId); 3276 if (!crossProfileResult.isEmpty()) { 3277 // Skip the current profile 3278 return crossProfileResult; 3279 } 3280 List<CrossProfileIntentFilter> matchingFilters = 3281 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3282 // Check for results that need to skip the current profile. 3283 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3284 resolvedType, flags, userId); 3285 if (resolveInfo != null) { 3286 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3287 result.add(resolveInfo); 3288 return result; 3289 } 3290 // Check for cross profile results. 3291 resolveInfo = queryCrossProfileIntents( 3292 matchingFilters, intent, resolvedType, flags, userId); 3293 } 3294 // Check for results in the current profile. 3295 List<ResolveInfo> result = mActivities.queryIntent( 3296 intent, resolvedType, flags, userId); 3297 if (resolveInfo != null) { 3298 result.add(resolveInfo); 3299 } 3300 return result; 3301 } 3302 final PackageParser.Package pkg = mPackages.get(pkgName); 3303 if (pkg != null) { 3304 if (queryCrossProfile) { 3305 ArrayList<ResolveInfo> crossProfileResult = 3306 queryIntentActivitiesCrossProfilePackage( 3307 intent, resolvedType, flags, userId, pkg, pkgName); 3308 if (!crossProfileResult.isEmpty()) { 3309 // Skip the current profile 3310 return crossProfileResult; 3311 } 3312 } 3313 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3314 pkg.activities, userId); 3315 } 3316 return new ArrayList<ResolveInfo>(); 3317 } 3318 } 3319 3320 private ResolveInfo querySkipCurrentProfileIntents( 3321 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3322 int flags, int sourceUserId) { 3323 if (matchingFilters != null) { 3324 int size = matchingFilters.size(); 3325 for (int i = 0; i < size; i ++) { 3326 CrossProfileIntentFilter filter = matchingFilters.get(i); 3327 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3328 // Checking if there are activities in the target user that can handle the 3329 // intent. 3330 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3331 flags, sourceUserId); 3332 if (resolveInfo != null) { 3333 return resolveInfo; 3334 } 3335 } 3336 } 3337 } 3338 return null; 3339 } 3340 3341 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3342 Intent intent, String resolvedType, int flags, int userId) { 3343 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3344 SparseArray<ArrayList<String>> sourceForwardingInfo = 3345 mSettings.mCrossProfilePackageInfo.get(userId); 3346 if (sourceForwardingInfo != null) { 3347 int NI = sourceForwardingInfo.size(); 3348 for (int i = 0; i < NI; i++) { 3349 int targetUserId = sourceForwardingInfo.keyAt(i); 3350 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3351 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3352 intent, resolvedType, flags, targetUserId); 3353 int NJ = resolveInfos.size(); 3354 for (int j = 0; j < NJ; j++) { 3355 ResolveInfo resolveInfo = resolveInfos.get(j); 3356 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3357 matchingResolveInfos.add(createForwardingResolveInfo( 3358 resolveInfo.filter, userId, targetUserId)); 3359 } 3360 } 3361 } 3362 } 3363 return matchingResolveInfos; 3364 } 3365 3366 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3367 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3368 String packageName) { 3369 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3370 SparseArray<ArrayList<String>> sourceForwardingInfo = 3371 mSettings.mCrossProfilePackageInfo.get(userId); 3372 if (sourceForwardingInfo != null) { 3373 int NI = sourceForwardingInfo.size(); 3374 for (int i = 0; i < NI; i++) { 3375 int targetUserId = sourceForwardingInfo.keyAt(i); 3376 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3377 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3378 intent, resolvedType, flags, pkg.activities, targetUserId); 3379 int NJ = resolveInfos.size(); 3380 for (int j = 0; j < NJ; j++) { 3381 ResolveInfo resolveInfo = resolveInfos.get(j); 3382 matchingResolveInfos.add(createForwardingResolveInfo( 3383 resolveInfo.filter, userId, targetUserId)); 3384 } 3385 } 3386 } 3387 } 3388 return matchingResolveInfos; 3389 } 3390 3391 // Return matching ResolveInfo if any for skip current profile intent filters. 3392 private ResolveInfo queryCrossProfileIntents( 3393 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3394 int flags, int sourceUserId) { 3395 if (matchingFilters != null) { 3396 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3397 // match the same intent. For performance reasons, it is better not to 3398 // run queryIntent twice for the same userId 3399 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3400 int size = matchingFilters.size(); 3401 for (int i = 0; i < size; i++) { 3402 CrossProfileIntentFilter filter = matchingFilters.get(i); 3403 int targetUserId = filter.getTargetUserId(); 3404 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3405 && !alreadyTriedUserIds.get(targetUserId)) { 3406 // Checking if there are activities in the target user that can handle the 3407 // intent. 3408 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3409 flags, sourceUserId); 3410 if (resolveInfo != null) return resolveInfo; 3411 alreadyTriedUserIds.put(targetUserId, true); 3412 } 3413 } 3414 } 3415 return null; 3416 } 3417 3418 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3419 String resolvedType, int flags, int sourceUserId) { 3420 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3421 resolvedType, flags, filter.getTargetUserId()); 3422 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3423 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3424 } 3425 return null; 3426 } 3427 3428 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3429 int sourceUserId, int targetUserId) { 3430 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3431 String className; 3432 if (targetUserId == UserHandle.USER_OWNER) { 3433 className = FORWARD_INTENT_TO_USER_OWNER; 3434 } else { 3435 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3436 } 3437 ComponentName forwardingActivityComponentName = new ComponentName( 3438 mAndroidApplication.packageName, className); 3439 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3440 sourceUserId); 3441 if (targetUserId == UserHandle.USER_OWNER) { 3442 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3443 forwardingResolveInfo.noResourceId = true; 3444 } 3445 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3446 forwardingResolveInfo.priority = 0; 3447 forwardingResolveInfo.preferredOrder = 0; 3448 forwardingResolveInfo.match = 0; 3449 forwardingResolveInfo.isDefault = true; 3450 forwardingResolveInfo.filter = filter; 3451 forwardingResolveInfo.targetUserId = targetUserId; 3452 return forwardingResolveInfo; 3453 } 3454 3455 @Override 3456 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3457 Intent[] specifics, String[] specificTypes, Intent intent, 3458 String resolvedType, int flags, int userId) { 3459 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3460 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3461 "query intent activity options"); 3462 final String resultsAction = intent.getAction(); 3463 3464 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3465 | PackageManager.GET_RESOLVED_FILTER, userId); 3466 3467 if (DEBUG_INTENT_MATCHING) { 3468 Log.v(TAG, "Query " + intent + ": " + results); 3469 } 3470 3471 int specificsPos = 0; 3472 int N; 3473 3474 // todo: note that the algorithm used here is O(N^2). This 3475 // isn't a problem in our current environment, but if we start running 3476 // into situations where we have more than 5 or 10 matches then this 3477 // should probably be changed to something smarter... 3478 3479 // First we go through and resolve each of the specific items 3480 // that were supplied, taking care of removing any corresponding 3481 // duplicate items in the generic resolve list. 3482 if (specifics != null) { 3483 for (int i=0; i<specifics.length; i++) { 3484 final Intent sintent = specifics[i]; 3485 if (sintent == null) { 3486 continue; 3487 } 3488 3489 if (DEBUG_INTENT_MATCHING) { 3490 Log.v(TAG, "Specific #" + i + ": " + sintent); 3491 } 3492 3493 String action = sintent.getAction(); 3494 if (resultsAction != null && resultsAction.equals(action)) { 3495 // If this action was explicitly requested, then don't 3496 // remove things that have it. 3497 action = null; 3498 } 3499 3500 ResolveInfo ri = null; 3501 ActivityInfo ai = null; 3502 3503 ComponentName comp = sintent.getComponent(); 3504 if (comp == null) { 3505 ri = resolveIntent( 3506 sintent, 3507 specificTypes != null ? specificTypes[i] : null, 3508 flags, userId); 3509 if (ri == null) { 3510 continue; 3511 } 3512 if (ri == mResolveInfo) { 3513 // ACK! Must do something better with this. 3514 } 3515 ai = ri.activityInfo; 3516 comp = new ComponentName(ai.applicationInfo.packageName, 3517 ai.name); 3518 } else { 3519 ai = getActivityInfo(comp, flags, userId); 3520 if (ai == null) { 3521 continue; 3522 } 3523 } 3524 3525 // Look for any generic query activities that are duplicates 3526 // of this specific one, and remove them from the results. 3527 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3528 N = results.size(); 3529 int j; 3530 for (j=specificsPos; j<N; j++) { 3531 ResolveInfo sri = results.get(j); 3532 if ((sri.activityInfo.name.equals(comp.getClassName()) 3533 && sri.activityInfo.applicationInfo.packageName.equals( 3534 comp.getPackageName())) 3535 || (action != null && sri.filter.matchAction(action))) { 3536 results.remove(j); 3537 if (DEBUG_INTENT_MATCHING) Log.v( 3538 TAG, "Removing duplicate item from " + j 3539 + " due to specific " + specificsPos); 3540 if (ri == null) { 3541 ri = sri; 3542 } 3543 j--; 3544 N--; 3545 } 3546 } 3547 3548 // Add this specific item to its proper place. 3549 if (ri == null) { 3550 ri = new ResolveInfo(); 3551 ri.activityInfo = ai; 3552 } 3553 results.add(specificsPos, ri); 3554 ri.specificIndex = i; 3555 specificsPos++; 3556 } 3557 } 3558 3559 // Now we go through the remaining generic results and remove any 3560 // duplicate actions that are found here. 3561 N = results.size(); 3562 for (int i=specificsPos; i<N-1; i++) { 3563 final ResolveInfo rii = results.get(i); 3564 if (rii.filter == null) { 3565 continue; 3566 } 3567 3568 // Iterate over all of the actions of this result's intent 3569 // filter... typically this should be just one. 3570 final Iterator<String> it = rii.filter.actionsIterator(); 3571 if (it == null) { 3572 continue; 3573 } 3574 while (it.hasNext()) { 3575 final String action = it.next(); 3576 if (resultsAction != null && resultsAction.equals(action)) { 3577 // If this action was explicitly requested, then don't 3578 // remove things that have it. 3579 continue; 3580 } 3581 for (int j=i+1; j<N; j++) { 3582 final ResolveInfo rij = results.get(j); 3583 if (rij.filter != null && rij.filter.hasAction(action)) { 3584 results.remove(j); 3585 if (DEBUG_INTENT_MATCHING) Log.v( 3586 TAG, "Removing duplicate item from " + j 3587 + " due to action " + action + " at " + i); 3588 j--; 3589 N--; 3590 } 3591 } 3592 } 3593 3594 // If the caller didn't request filter information, drop it now 3595 // so we don't have to marshall/unmarshall it. 3596 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3597 rii.filter = null; 3598 } 3599 } 3600 3601 // Filter out the caller activity if so requested. 3602 if (caller != null) { 3603 N = results.size(); 3604 for (int i=0; i<N; i++) { 3605 ActivityInfo ainfo = results.get(i).activityInfo; 3606 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3607 && caller.getClassName().equals(ainfo.name)) { 3608 results.remove(i); 3609 break; 3610 } 3611 } 3612 } 3613 3614 // If the caller didn't request filter information, 3615 // drop them now so we don't have to 3616 // marshall/unmarshall it. 3617 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3618 N = results.size(); 3619 for (int i=0; i<N; i++) { 3620 results.get(i).filter = null; 3621 } 3622 } 3623 3624 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3625 return results; 3626 } 3627 3628 @Override 3629 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3630 int userId) { 3631 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3632 ComponentName comp = intent.getComponent(); 3633 if (comp == null) { 3634 if (intent.getSelector() != null) { 3635 intent = intent.getSelector(); 3636 comp = intent.getComponent(); 3637 } 3638 } 3639 if (comp != null) { 3640 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3641 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3642 if (ai != null) { 3643 ResolveInfo ri = new ResolveInfo(); 3644 ri.activityInfo = ai; 3645 list.add(ri); 3646 } 3647 return list; 3648 } 3649 3650 // reader 3651 synchronized (mPackages) { 3652 String pkgName = intent.getPackage(); 3653 if (pkgName == null) { 3654 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3655 } 3656 final PackageParser.Package pkg = mPackages.get(pkgName); 3657 if (pkg != null) { 3658 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3659 userId); 3660 } 3661 return null; 3662 } 3663 } 3664 3665 @Override 3666 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3667 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3668 if (!sUserManager.exists(userId)) return null; 3669 if (query != null) { 3670 if (query.size() >= 1) { 3671 // If there is more than one service with the same priority, 3672 // just arbitrarily pick the first one. 3673 return query.get(0); 3674 } 3675 } 3676 return null; 3677 } 3678 3679 @Override 3680 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3681 int userId) { 3682 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3683 ComponentName comp = intent.getComponent(); 3684 if (comp == null) { 3685 if (intent.getSelector() != null) { 3686 intent = intent.getSelector(); 3687 comp = intent.getComponent(); 3688 } 3689 } 3690 if (comp != null) { 3691 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3692 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3693 if (si != null) { 3694 final ResolveInfo ri = new ResolveInfo(); 3695 ri.serviceInfo = si; 3696 list.add(ri); 3697 } 3698 return list; 3699 } 3700 3701 // reader 3702 synchronized (mPackages) { 3703 String pkgName = intent.getPackage(); 3704 if (pkgName == null) { 3705 return mServices.queryIntent(intent, resolvedType, flags, userId); 3706 } 3707 final PackageParser.Package pkg = mPackages.get(pkgName); 3708 if (pkg != null) { 3709 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3710 userId); 3711 } 3712 return null; 3713 } 3714 } 3715 3716 @Override 3717 public List<ResolveInfo> queryIntentContentProviders( 3718 Intent intent, String resolvedType, int flags, int userId) { 3719 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3720 ComponentName comp = intent.getComponent(); 3721 if (comp == null) { 3722 if (intent.getSelector() != null) { 3723 intent = intent.getSelector(); 3724 comp = intent.getComponent(); 3725 } 3726 } 3727 if (comp != null) { 3728 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3729 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3730 if (pi != null) { 3731 final ResolveInfo ri = new ResolveInfo(); 3732 ri.providerInfo = pi; 3733 list.add(ri); 3734 } 3735 return list; 3736 } 3737 3738 // reader 3739 synchronized (mPackages) { 3740 String pkgName = intent.getPackage(); 3741 if (pkgName == null) { 3742 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3743 } 3744 final PackageParser.Package pkg = mPackages.get(pkgName); 3745 if (pkg != null) { 3746 return mProviders.queryIntentForPackage( 3747 intent, resolvedType, flags, pkg.providers, userId); 3748 } 3749 return null; 3750 } 3751 } 3752 3753 @Override 3754 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3755 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3756 3757 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3758 3759 // writer 3760 synchronized (mPackages) { 3761 ArrayList<PackageInfo> list; 3762 if (listUninstalled) { 3763 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3764 for (PackageSetting ps : mSettings.mPackages.values()) { 3765 PackageInfo pi; 3766 if (ps.pkg != null) { 3767 pi = generatePackageInfo(ps.pkg, flags, userId); 3768 } else { 3769 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3770 } 3771 if (pi != null) { 3772 list.add(pi); 3773 } 3774 } 3775 } else { 3776 list = new ArrayList<PackageInfo>(mPackages.size()); 3777 for (PackageParser.Package p : mPackages.values()) { 3778 PackageInfo pi = generatePackageInfo(p, flags, userId); 3779 if (pi != null) { 3780 list.add(pi); 3781 } 3782 } 3783 } 3784 3785 return new ParceledListSlice<PackageInfo>(list); 3786 } 3787 } 3788 3789 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3790 String[] permissions, boolean[] tmp, int flags, int userId) { 3791 int numMatch = 0; 3792 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3793 for (int i=0; i<permissions.length; i++) { 3794 if (gp.grantedPermissions.contains(permissions[i])) { 3795 tmp[i] = true; 3796 numMatch++; 3797 } else { 3798 tmp[i] = false; 3799 } 3800 } 3801 if (numMatch == 0) { 3802 return; 3803 } 3804 PackageInfo pi; 3805 if (ps.pkg != null) { 3806 pi = generatePackageInfo(ps.pkg, flags, userId); 3807 } else { 3808 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3809 } 3810 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3811 if (numMatch == permissions.length) { 3812 pi.requestedPermissions = permissions; 3813 } else { 3814 pi.requestedPermissions = new String[numMatch]; 3815 numMatch = 0; 3816 for (int i=0; i<permissions.length; i++) { 3817 if (tmp[i]) { 3818 pi.requestedPermissions[numMatch] = permissions[i]; 3819 numMatch++; 3820 } 3821 } 3822 } 3823 } 3824 list.add(pi); 3825 } 3826 3827 @Override 3828 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3829 String[] permissions, int flags, int userId) { 3830 if (!sUserManager.exists(userId)) return null; 3831 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3832 3833 // writer 3834 synchronized (mPackages) { 3835 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3836 boolean[] tmpBools = new boolean[permissions.length]; 3837 if (listUninstalled) { 3838 for (PackageSetting ps : mSettings.mPackages.values()) { 3839 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3840 } 3841 } else { 3842 for (PackageParser.Package pkg : mPackages.values()) { 3843 PackageSetting ps = (PackageSetting)pkg.mExtras; 3844 if (ps != null) { 3845 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3846 userId); 3847 } 3848 } 3849 } 3850 3851 return new ParceledListSlice<PackageInfo>(list); 3852 } 3853 } 3854 3855 @Override 3856 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3857 if (!sUserManager.exists(userId)) return null; 3858 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3859 3860 // writer 3861 synchronized (mPackages) { 3862 ArrayList<ApplicationInfo> list; 3863 if (listUninstalled) { 3864 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3865 for (PackageSetting ps : mSettings.mPackages.values()) { 3866 ApplicationInfo ai; 3867 if (ps.pkg != null) { 3868 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3869 ps.readUserState(userId), userId); 3870 } else { 3871 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3872 } 3873 if (ai != null) { 3874 list.add(ai); 3875 } 3876 } 3877 } else { 3878 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3879 for (PackageParser.Package p : mPackages.values()) { 3880 if (p.mExtras != null) { 3881 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3882 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3883 if (ai != null) { 3884 list.add(ai); 3885 } 3886 } 3887 } 3888 } 3889 3890 return new ParceledListSlice<ApplicationInfo>(list); 3891 } 3892 } 3893 3894 public List<ApplicationInfo> getPersistentApplications(int flags) { 3895 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3896 3897 // reader 3898 synchronized (mPackages) { 3899 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3900 final int userId = UserHandle.getCallingUserId(); 3901 while (i.hasNext()) { 3902 final PackageParser.Package p = i.next(); 3903 if (p.applicationInfo != null 3904 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3905 && (!mSafeMode || isSystemApp(p))) { 3906 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3907 if (ps != null) { 3908 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3909 ps.readUserState(userId), userId); 3910 if (ai != null) { 3911 finalList.add(ai); 3912 } 3913 } 3914 } 3915 } 3916 } 3917 3918 return finalList; 3919 } 3920 3921 @Override 3922 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3923 if (!sUserManager.exists(userId)) return null; 3924 // reader 3925 synchronized (mPackages) { 3926 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3927 PackageSetting ps = provider != null 3928 ? mSettings.mPackages.get(provider.owner.packageName) 3929 : null; 3930 return ps != null 3931 && mSettings.isEnabledLPr(provider.info, flags, userId) 3932 && (!mSafeMode || (provider.info.applicationInfo.flags 3933 &ApplicationInfo.FLAG_SYSTEM) != 0) 3934 ? PackageParser.generateProviderInfo(provider, flags, 3935 ps.readUserState(userId), userId) 3936 : null; 3937 } 3938 } 3939 3940 /** 3941 * @deprecated 3942 */ 3943 @Deprecated 3944 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3945 // reader 3946 synchronized (mPackages) { 3947 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3948 .entrySet().iterator(); 3949 final int userId = UserHandle.getCallingUserId(); 3950 while (i.hasNext()) { 3951 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3952 PackageParser.Provider p = entry.getValue(); 3953 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3954 3955 if (ps != null && p.syncable 3956 && (!mSafeMode || (p.info.applicationInfo.flags 3957 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3958 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3959 ps.readUserState(userId), userId); 3960 if (info != null) { 3961 outNames.add(entry.getKey()); 3962 outInfo.add(info); 3963 } 3964 } 3965 } 3966 } 3967 } 3968 3969 @Override 3970 public List<ProviderInfo> queryContentProviders(String processName, 3971 int uid, int flags) { 3972 ArrayList<ProviderInfo> finalList = null; 3973 // reader 3974 synchronized (mPackages) { 3975 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3976 final int userId = processName != null ? 3977 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3978 while (i.hasNext()) { 3979 final PackageParser.Provider p = i.next(); 3980 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3981 if (ps != null && p.info.authority != null 3982 && (processName == null 3983 || (p.info.processName.equals(processName) 3984 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3985 && mSettings.isEnabledLPr(p.info, flags, userId) 3986 && (!mSafeMode 3987 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3988 if (finalList == null) { 3989 finalList = new ArrayList<ProviderInfo>(3); 3990 } 3991 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3992 ps.readUserState(userId), userId); 3993 if (info != null) { 3994 finalList.add(info); 3995 } 3996 } 3997 } 3998 } 3999 4000 if (finalList != null) { 4001 Collections.sort(finalList, mProviderInitOrderSorter); 4002 } 4003 4004 return finalList; 4005 } 4006 4007 @Override 4008 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4009 int flags) { 4010 // reader 4011 synchronized (mPackages) { 4012 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4013 return PackageParser.generateInstrumentationInfo(i, flags); 4014 } 4015 } 4016 4017 @Override 4018 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4019 int flags) { 4020 ArrayList<InstrumentationInfo> finalList = 4021 new ArrayList<InstrumentationInfo>(); 4022 4023 // reader 4024 synchronized (mPackages) { 4025 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4026 while (i.hasNext()) { 4027 final PackageParser.Instrumentation p = i.next(); 4028 if (targetPackage == null 4029 || targetPackage.equals(p.info.targetPackage)) { 4030 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4031 flags); 4032 if (ii != null) { 4033 finalList.add(ii); 4034 } 4035 } 4036 } 4037 } 4038 4039 return finalList; 4040 } 4041 4042 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4043 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4044 if (overlays == null) { 4045 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4046 return; 4047 } 4048 for (PackageParser.Package opkg : overlays.values()) { 4049 // Not much to do if idmap fails: we already logged the error 4050 // and we certainly don't want to abort installation of pkg simply 4051 // because an overlay didn't fit properly. For these reasons, 4052 // ignore the return value of createIdmapForPackagePairLI. 4053 createIdmapForPackagePairLI(pkg, opkg); 4054 } 4055 } 4056 4057 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4058 PackageParser.Package opkg) { 4059 if (!opkg.mTrustedOverlay) { 4060 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4061 opkg.baseCodePath + ": overlay not trusted"); 4062 return false; 4063 } 4064 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4065 if (overlaySet == null) { 4066 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4067 opkg.baseCodePath + " but target package has no known overlays"); 4068 return false; 4069 } 4070 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4071 // TODO: generate idmap for split APKs 4072 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4073 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4074 + opkg.baseCodePath); 4075 return false; 4076 } 4077 PackageParser.Package[] overlayArray = 4078 overlaySet.values().toArray(new PackageParser.Package[0]); 4079 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4080 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4081 return p1.mOverlayPriority - p2.mOverlayPriority; 4082 } 4083 }; 4084 Arrays.sort(overlayArray, cmp); 4085 4086 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4087 int i = 0; 4088 for (PackageParser.Package p : overlayArray) { 4089 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4090 } 4091 return true; 4092 } 4093 4094 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4095 final File[] files = dir.listFiles(); 4096 if (ArrayUtils.isEmpty(files)) { 4097 Log.d(TAG, "No files in app dir " + dir); 4098 return; 4099 } 4100 4101 if (DEBUG_PACKAGE_SCANNING) { 4102 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4103 + " flags=0x" + Integer.toHexString(flags)); 4104 } 4105 4106 for (File file : files) { 4107 final boolean isPackage = isApkFile(file) || file.isDirectory(); 4108 if (!isPackage) { 4109 // Ignore entries which are not apk's 4110 continue; 4111 } 4112 try { 4113 scanPackageLI(file, flags | PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, 4114 null, null); 4115 } catch (PackageManagerException e) { 4116 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4117 4118 // Don't mess around with apps in system partition. 4119 if ((flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4120 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4121 // Delete the apk 4122 Slog.w(TAG, "Cleaning up failed install of " + file); 4123 file.delete(); 4124 } 4125 } 4126 } 4127 } 4128 4129 private static File getSettingsProblemFile() { 4130 File dataDir = Environment.getDataDirectory(); 4131 File systemDir = new File(dataDir, "system"); 4132 File fname = new File(systemDir, "uiderrors.txt"); 4133 return fname; 4134 } 4135 4136 static void reportSettingsProblem(int priority, String msg) { 4137 try { 4138 File fname = getSettingsProblemFile(); 4139 FileOutputStream out = new FileOutputStream(fname, true); 4140 PrintWriter pw = new FastPrintWriter(out); 4141 SimpleDateFormat formatter = new SimpleDateFormat(); 4142 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4143 pw.println(dateString + ": " + msg); 4144 pw.close(); 4145 FileUtils.setPermissions( 4146 fname.toString(), 4147 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4148 -1, -1); 4149 } catch (java.io.IOException e) { 4150 } 4151 Slog.println(priority, TAG, msg); 4152 } 4153 4154 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4155 PackageParser.Package pkg, File srcFile, int parseFlags) 4156 throws PackageManagerException { 4157 if (ps != null 4158 && ps.codePath.equals(srcFile) 4159 && ps.timeStamp == srcFile.lastModified() 4160 && !isCompatSignatureUpdateNeeded(pkg)) { 4161 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4162 if (ps.signatures.mSignatures != null 4163 && ps.signatures.mSignatures.length != 0 4164 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4165 // Optimization: reuse the existing cached certificates 4166 // if the package appears to be unchanged. 4167 pkg.mSignatures = ps.signatures.mSignatures; 4168 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4169 synchronized (mPackages) { 4170 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4171 } 4172 return; 4173 } 4174 4175 Slog.w(TAG, "PackageSetting for " + ps.name 4176 + " is missing signatures. Collecting certs again to recover them."); 4177 } else { 4178 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4179 } 4180 4181 try { 4182 pp.collectCertificates(pkg, parseFlags); 4183 pp.collectManifestDigest(pkg); 4184 } catch (PackageParserException e) { 4185 throw new PackageManagerException(e.error, "Failed to collect certificates for " 4186 + pkg.packageName + ": " + e.getMessage()); 4187 } 4188 } 4189 4190 /* 4191 * Scan a package and return the newly parsed package. 4192 * Returns null in case of errors and the error code is stored in mLastScanError 4193 */ 4194 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode, 4195 long currentTime, UserHandle user, String abiOverride) throws PackageManagerException { 4196 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4197 parseFlags |= mDefParseFlags; 4198 PackageParser pp = new PackageParser(); 4199 pp.setSeparateProcesses(mSeparateProcesses); 4200 pp.setOnlyCoreApps(mOnlyCore); 4201 pp.setDisplayMetrics(mMetrics); 4202 4203 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4204 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4205 } 4206 4207 final PackageParser.Package pkg; 4208 try { 4209 pkg = pp.parsePackage(scanFile, parseFlags); 4210 } catch (PackageParserException e) { 4211 throw new PackageManagerException(e.error, 4212 "Failed to scan " + scanFile + ": " + e.getMessage()); 4213 } 4214 4215 PackageSetting ps = null; 4216 PackageSetting updatedPkg; 4217 // reader 4218 synchronized (mPackages) { 4219 // Look to see if we already know about this package. 4220 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4221 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4222 // This package has been renamed to its original name. Let's 4223 // use that. 4224 ps = mSettings.peekPackageLPr(oldName); 4225 } 4226 // If there was no original package, see one for the real package name. 4227 if (ps == null) { 4228 ps = mSettings.peekPackageLPr(pkg.packageName); 4229 } 4230 // Check to see if this package could be hiding/updating a system 4231 // package. Must look for it either under the original or real 4232 // package name depending on our state. 4233 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4234 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4235 } 4236 boolean updatedPkgBetter = false; 4237 // First check if this is a system package that may involve an update 4238 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4239 if (ps != null && !ps.codePath.equals(scanFile)) { 4240 // The path has changed from what was last scanned... check the 4241 // version of the new path against what we have stored to determine 4242 // what to do. 4243 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4244 if (pkg.mVersionCode < ps.versionCode) { 4245 // The system package has been updated and the code path does not match 4246 // Ignore entry. Skip it. 4247 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4248 + " ignored: updated version " + ps.versionCode 4249 + " better than this " + pkg.mVersionCode); 4250 if (!updatedPkg.codePath.equals(scanFile)) { 4251 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4252 + ps.name + " changing from " + updatedPkg.codePathString 4253 + " to " + scanFile); 4254 updatedPkg.codePath = scanFile; 4255 updatedPkg.codePathString = scanFile.toString(); 4256 // This is the point at which we know that the system-disk APK 4257 // for this package has moved during a reboot (e.g. due to an OTA), 4258 // so we need to reevaluate it for privilege policy. 4259 if (locationIsPrivileged(scanFile)) { 4260 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4261 } 4262 } 4263 updatedPkg.pkg = pkg; 4264 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4265 } else { 4266 // The current app on the system partition is better than 4267 // what we have updated to on the data partition; switch 4268 // back to the system partition version. 4269 // At this point, its safely assumed that package installation for 4270 // apps in system partition will go through. If not there won't be a working 4271 // version of the app 4272 // writer 4273 synchronized (mPackages) { 4274 // Just remove the loaded entries from package lists. 4275 mPackages.remove(ps.name); 4276 } 4277 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4278 + "reverting from " + ps.codePathString 4279 + ": new version " + pkg.mVersionCode 4280 + " better than installed " + ps.versionCode); 4281 4282 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4283 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4284 getAppDexInstructionSets(ps), isMultiArch(ps)); 4285 synchronized (mInstallLock) { 4286 args.cleanUpResourcesLI(); 4287 } 4288 synchronized (mPackages) { 4289 mSettings.enableSystemPackageLPw(ps.name); 4290 } 4291 updatedPkgBetter = true; 4292 } 4293 } 4294 } 4295 4296 if (updatedPkg != null) { 4297 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4298 // initially 4299 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4300 4301 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4302 // flag set initially 4303 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4304 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4305 } 4306 } 4307 4308 // Verify certificates against what was last scanned 4309 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4310 4311 /* 4312 * A new system app appeared, but we already had a non-system one of the 4313 * same name installed earlier. 4314 */ 4315 boolean shouldHideSystemApp = false; 4316 if (updatedPkg == null && ps != null 4317 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4318 /* 4319 * Check to make sure the signatures match first. If they don't, 4320 * wipe the installed application and its data. 4321 */ 4322 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4323 != PackageManager.SIGNATURE_MATCH) { 4324 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4325 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4326 ps = null; 4327 } else { 4328 /* 4329 * If the newly-added system app is an older version than the 4330 * already installed version, hide it. It will be scanned later 4331 * and re-added like an update. 4332 */ 4333 if (pkg.mVersionCode < ps.versionCode) { 4334 shouldHideSystemApp = true; 4335 } else { 4336 /* 4337 * The newly found system app is a newer version that the 4338 * one previously installed. Simply remove the 4339 * already-installed application and replace it with our own 4340 * while keeping the application data. 4341 */ 4342 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4343 + ps.codePathString + ": new version " + pkg.mVersionCode 4344 + " better than installed " + ps.versionCode); 4345 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4346 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4347 getAppDexInstructionSets(ps), isMultiArch(ps)); 4348 synchronized (mInstallLock) { 4349 args.cleanUpResourcesLI(); 4350 } 4351 } 4352 } 4353 } 4354 4355 // The apk is forward locked (not public) if its code and resources 4356 // are kept in different files. (except for app in either system or 4357 // vendor path). 4358 // TODO grab this value from PackageSettings 4359 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4360 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4361 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4362 } 4363 } 4364 4365 // TODO: extend to support forward-locked splits 4366 String resourcePath = null; 4367 String baseResourcePath = null; 4368 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4369 if (ps != null && ps.resourcePathString != null) { 4370 resourcePath = ps.resourcePathString; 4371 baseResourcePath = ps.resourcePathString; 4372 } else { 4373 // Should not happen at all. Just log an error. 4374 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4375 } 4376 } else { 4377 resourcePath = pkg.codePath; 4378 baseResourcePath = pkg.baseCodePath; 4379 } 4380 4381 // Set application objects path explicitly. 4382 pkg.applicationInfo.setCodePath(pkg.codePath); 4383 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4384 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4385 pkg.applicationInfo.setResourcePath(resourcePath); 4386 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4387 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4388 4389 // Note that we invoke the following method only if we are about to unpack an application 4390 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4391 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4392 4393 /* 4394 * If the system app should be overridden by a previously installed 4395 * data, hide the system app now and let the /data/app scan pick it up 4396 * again. 4397 */ 4398 if (shouldHideSystemApp) { 4399 synchronized (mPackages) { 4400 /* 4401 * We have to grant systems permissions before we hide, because 4402 * grantPermissions will assume the package update is trying to 4403 * expand its permissions. 4404 */ 4405 grantPermissionsLPw(pkg, true); 4406 mSettings.disableSystemPackageLPw(pkg.packageName); 4407 } 4408 } 4409 4410 return scannedPkg; 4411 } 4412 4413 private static String fixProcessName(String defProcessName, 4414 String processName, int uid) { 4415 if (processName == null) { 4416 return defProcessName; 4417 } 4418 return processName; 4419 } 4420 4421 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4422 throws PackageManagerException { 4423 if (pkgSetting.signatures.mSignatures != null) { 4424 // Already existing package. Make sure signatures match 4425 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4426 == PackageManager.SIGNATURE_MATCH; 4427 if (!match) { 4428 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4429 == PackageManager.SIGNATURE_MATCH; 4430 } 4431 if (!match) { 4432 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4433 + pkg.packageName + " signatures do not match the " 4434 + "previously installed version; ignoring!"); 4435 } 4436 } 4437 4438 // Check for shared user signatures 4439 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4440 // Already existing package. Make sure signatures match 4441 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4442 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4443 if (!match) { 4444 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4445 == PackageManager.SIGNATURE_MATCH; 4446 } 4447 if (!match) { 4448 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4449 "Package " + pkg.packageName 4450 + " has no signatures that match those in shared user " 4451 + pkgSetting.sharedUser.name + "; ignoring!"); 4452 } 4453 } 4454 } 4455 4456 /** 4457 * Enforces that only the system UID or root's UID can call a method exposed 4458 * via Binder. 4459 * 4460 * @param message used as message if SecurityException is thrown 4461 * @throws SecurityException if the caller is not system or root 4462 */ 4463 private static final void enforceSystemOrRoot(String message) { 4464 final int uid = Binder.getCallingUid(); 4465 if (uid != Process.SYSTEM_UID && uid != 0) { 4466 throw new SecurityException(message); 4467 } 4468 } 4469 4470 @Override 4471 public void performBootDexOpt() { 4472 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4473 4474 final HashSet<PackageParser.Package> pkgs; 4475 synchronized (mPackages) { 4476 pkgs = mDeferredDexOpt; 4477 mDeferredDexOpt = null; 4478 } 4479 4480 if (pkgs != null) { 4481 // Filter out packages that aren't recently used. 4482 // 4483 // The exception is first boot of a non-eng device, which 4484 // should do a full dexopt. 4485 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4486 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4487 // TODO: add a property to control this? 4488 long dexOptLRUThresholdInMinutes; 4489 if (eng) { 4490 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4491 } else { 4492 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4493 } 4494 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4495 4496 int total = pkgs.size(); 4497 int skipped = 0; 4498 long now = System.currentTimeMillis(); 4499 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4500 PackageParser.Package pkg = i.next(); 4501 long then = pkg.mLastPackageUsageTimeInMills; 4502 if (then + dexOptLRUThresholdInMills < now) { 4503 if (DEBUG_DEXOPT) { 4504 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4505 ((then == 0) ? "never" : new Date(then))); 4506 } 4507 i.remove(); 4508 skipped++; 4509 } 4510 } 4511 if (DEBUG_DEXOPT) { 4512 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4513 } 4514 } 4515 4516 int i = 0; 4517 for (PackageParser.Package pkg : pkgs) { 4518 i++; 4519 if (DEBUG_DEXOPT) { 4520 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4521 + ": " + pkg.packageName); 4522 } 4523 if (!isFirstBoot()) { 4524 try { 4525 ActivityManagerNative.getDefault().showBootMessage( 4526 mContext.getResources().getString( 4527 R.string.android_upgrading_apk, 4528 i, pkgs.size()), true); 4529 } catch (RemoteException e) { 4530 } 4531 } 4532 PackageParser.Package p = pkg; 4533 synchronized (mInstallLock) { 4534 if (p.mDexOptNeeded) { 4535 performDexOptLI(p, false /* force dex */, false /* defer */, 4536 true /* include dependencies */); 4537 } 4538 } 4539 } 4540 } 4541 } 4542 4543 @Override 4544 public boolean performDexOpt(String packageName) { 4545 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4546 return performDexOpt(packageName, true); 4547 } 4548 4549 public boolean performDexOpt(String packageName, boolean updateUsage) { 4550 4551 PackageParser.Package p; 4552 synchronized (mPackages) { 4553 p = mPackages.get(packageName); 4554 if (p == null) { 4555 return false; 4556 } 4557 if (updateUsage) { 4558 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4559 } 4560 mPackageUsage.write(false); 4561 if (!p.mDexOptNeeded) { 4562 return false; 4563 } 4564 } 4565 4566 synchronized (mInstallLock) { 4567 return performDexOptLI(p, false /* force dex */, false /* defer */, 4568 true /* include dependencies */) == DEX_OPT_PERFORMED; 4569 } 4570 } 4571 4572 public HashSet<String> getPackagesThatNeedDexOpt() { 4573 HashSet<String> pkgs = null; 4574 synchronized (mPackages) { 4575 for (PackageParser.Package p : mPackages.values()) { 4576 if (DEBUG_DEXOPT) { 4577 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4578 } 4579 if (!p.mDexOptNeeded) { 4580 continue; 4581 } 4582 if (pkgs == null) { 4583 pkgs = new HashSet<String>(); 4584 } 4585 pkgs.add(p.packageName); 4586 } 4587 } 4588 return pkgs; 4589 } 4590 4591 public void shutdown() { 4592 mPackageUsage.write(true); 4593 } 4594 4595 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4596 boolean forceDex, boolean defer, HashSet<String> done) { 4597 for (int i=0; i<libs.size(); i++) { 4598 PackageParser.Package libPkg; 4599 String libName; 4600 synchronized (mPackages) { 4601 libName = libs.get(i); 4602 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4603 if (lib != null && lib.apk != null) { 4604 libPkg = mPackages.get(lib.apk); 4605 } else { 4606 libPkg = null; 4607 } 4608 } 4609 if (libPkg != null && !done.contains(libName)) { 4610 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4611 } 4612 } 4613 } 4614 4615 static final int DEX_OPT_SKIPPED = 0; 4616 static final int DEX_OPT_PERFORMED = 1; 4617 static final int DEX_OPT_DEFERRED = 2; 4618 static final int DEX_OPT_FAILED = -1; 4619 4620 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4621 boolean forceDex, boolean defer, HashSet<String> done) { 4622 final String[] instructionSets = targetInstructionSets != null ? 4623 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4624 4625 if (done != null) { 4626 done.add(pkg.packageName); 4627 if (pkg.usesLibraries != null) { 4628 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4629 } 4630 if (pkg.usesOptionalLibraries != null) { 4631 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4632 } 4633 } 4634 4635 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4636 return DEX_OPT_SKIPPED; 4637 } 4638 4639 final Collection<String> paths = pkg.getAllCodePaths(); 4640 boolean performedDexOpt = false; 4641 // There are three basic cases here: 4642 // 1.) we need to dexopt, either because we are forced or it is needed 4643 // 2.) we are defering a needed dexopt 4644 // 3.) we are skipping an unneeded dexopt 4645 for (String path : paths) { 4646 for (String instructionSet : instructionSets) { 4647 try { 4648 final boolean isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4649 pkg.packageName, instructionSet, defer); 4650 if (forceDex || (!defer && isDexOptNeeded)) { 4651 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + " isa=" + instructionSet); 4652 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4653 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4654 pkg.packageName, instructionSet); 4655 4656 if (ret < 0) { 4657 // Don't bother running dexopt again if we failed, it will probably 4658 // just result in an error again. Also, don't bother dexopting for other 4659 // paths & ISAs. 4660 pkg.mDexOptNeeded = false; 4661 return DEX_OPT_FAILED; 4662 } else { 4663 performedDexOpt = true; 4664 } 4665 } 4666 4667 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4668 // paths and instruction sets. We'll deal with them all together when we process 4669 // our list of deferred dexopts. 4670 if (defer && isDexOptNeeded) { 4671 if (mDeferredDexOpt == null) { 4672 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4673 } 4674 mDeferredDexOpt.add(pkg); 4675 return DEX_OPT_DEFERRED; 4676 } 4677 } catch (FileNotFoundException e) { 4678 Slog.w(TAG, "Apk not found for dexopt: " + path); 4679 return DEX_OPT_FAILED; 4680 } catch (IOException e) { 4681 Slog.w(TAG, "IOException reading apk: " + path, e); 4682 return DEX_OPT_FAILED; 4683 } catch (StaleDexCacheError e) { 4684 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4685 return DEX_OPT_FAILED; 4686 } catch (Exception e) { 4687 Slog.w(TAG, "Exception when doing dexopt : ", e); 4688 return DEX_OPT_FAILED; 4689 } 4690 } 4691 } 4692 4693 // If we've gotten here, we're sure that no error occurred and that we haven't 4694 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4695 // we've skipped all of them because they are up to date. In both cases this 4696 // package doesn't need dexopt any longer. 4697 pkg.mDexOptNeeded = false; 4698 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4699 } 4700 4701 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4702 if (info.primaryCpuAbi != null) { 4703 if (info.secondaryCpuAbi != null) { 4704 return new String[] { 4705 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4706 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4707 } else { 4708 return new String[] { 4709 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4710 } 4711 } 4712 4713 return new String[] { getPreferredInstructionSet() }; 4714 } 4715 4716 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4717 if (ps.primaryCpuAbiString != null) { 4718 if (ps.secondaryCpuAbiString != null) { 4719 return new String[] { 4720 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4721 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4722 } else { 4723 return new String[] { 4724 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4725 } 4726 } 4727 4728 return new String[] { getPreferredInstructionSet() }; 4729 } 4730 4731 private static String getPreferredInstructionSet() { 4732 if (sPreferredInstructionSet == null) { 4733 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4734 } 4735 4736 return sPreferredInstructionSet; 4737 } 4738 4739 private static List<String> getAllInstructionSets() { 4740 final String[] allAbis = Build.SUPPORTED_ABIS; 4741 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4742 4743 for (String abi : allAbis) { 4744 final String instructionSet = VMRuntime.getInstructionSet(abi); 4745 if (!allInstructionSets.contains(instructionSet)) { 4746 allInstructionSets.add(instructionSet); 4747 } 4748 } 4749 4750 return allInstructionSets; 4751 } 4752 4753 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4754 boolean inclDependencies) { 4755 HashSet<String> done; 4756 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4757 done = new HashSet<String>(); 4758 done.add(pkg.packageName); 4759 } else { 4760 done = null; 4761 } 4762 return performDexOptLI(pkg, null /* target instruction sets */, forceDex, defer, done); 4763 } 4764 4765 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4766 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4767 Slog.w(TAG, "Unable to update from " + oldPkg.name 4768 + " to " + newPkg.packageName 4769 + ": old package not in system partition"); 4770 return false; 4771 } else if (mPackages.get(oldPkg.name) != null) { 4772 Slog.w(TAG, "Unable to update from " + oldPkg.name 4773 + " to " + newPkg.packageName 4774 + ": old package still exists"); 4775 return false; 4776 } 4777 return true; 4778 } 4779 4780 File getDataPathForUser(int userId) { 4781 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4782 } 4783 4784 private File getDataPathForPackage(String packageName, int userId) { 4785 /* 4786 * Until we fully support multiple users, return the directory we 4787 * previously would have. The PackageManagerTests will need to be 4788 * revised when this is changed back.. 4789 */ 4790 if (userId == 0) { 4791 return new File(mAppDataDir, packageName); 4792 } else { 4793 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4794 + File.separator + packageName); 4795 } 4796 } 4797 4798 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4799 int[] users = sUserManager.getUserIds(); 4800 int res = mInstaller.install(packageName, uid, uid, seinfo); 4801 if (res < 0) { 4802 return res; 4803 } 4804 for (int user : users) { 4805 if (user != 0) { 4806 res = mInstaller.createUserData(packageName, 4807 UserHandle.getUid(user, uid), user, seinfo); 4808 if (res < 0) { 4809 return res; 4810 } 4811 } 4812 } 4813 return res; 4814 } 4815 4816 private int removeDataDirsLI(String packageName) { 4817 int[] users = sUserManager.getUserIds(); 4818 int res = 0; 4819 for (int user : users) { 4820 int resInner = mInstaller.remove(packageName, user); 4821 if (resInner < 0) { 4822 res = resInner; 4823 } 4824 } 4825 4826 return res; 4827 } 4828 4829 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4830 PackageParser.Package changingLib) { 4831 if (file.path != null) { 4832 usesLibraryFiles.add(file.path); 4833 return; 4834 } 4835 PackageParser.Package p = mPackages.get(file.apk); 4836 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4837 // If we are doing this while in the middle of updating a library apk, 4838 // then we need to make sure to use that new apk for determining the 4839 // dependencies here. (We haven't yet finished committing the new apk 4840 // to the package manager state.) 4841 if (p == null || p.packageName.equals(changingLib.packageName)) { 4842 p = changingLib; 4843 } 4844 } 4845 if (p != null) { 4846 usesLibraryFiles.addAll(p.getAllCodePaths()); 4847 } 4848 } 4849 4850 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4851 PackageParser.Package changingLib) throws PackageManagerException { 4852 // We might be upgrading from a version of the platform that did not 4853 // provide per-package native library directories for system apps. 4854 // Fix that up here. 4855 if (isSystemApp(pkg)) { 4856 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4857 if (!isUpdatedSystemApp(pkg)) { 4858 setBundledAppAbisAndRoots(pkg, ps); 4859 } 4860 } 4861 4862 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4863 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4864 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4865 for (int i=0; i<N; i++) { 4866 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4867 if (file == null) { 4868 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4869 "Package " + pkg.packageName + " requires unavailable shared library " 4870 + pkg.usesLibraries.get(i) + "; failing!"); 4871 } 4872 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4873 } 4874 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4875 for (int i=0; i<N; i++) { 4876 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4877 if (file == null) { 4878 Slog.w(TAG, "Package " + pkg.packageName 4879 + " desires unavailable shared library " 4880 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4881 } else { 4882 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4883 } 4884 } 4885 N = usesLibraryFiles.size(); 4886 if (N > 0) { 4887 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4888 } else { 4889 pkg.usesLibraryFiles = null; 4890 } 4891 } 4892 } 4893 4894 private static boolean hasString(List<String> list, List<String> which) { 4895 if (list == null) { 4896 return false; 4897 } 4898 for (int i=list.size()-1; i>=0; i--) { 4899 for (int j=which.size()-1; j>=0; j--) { 4900 if (which.get(j).equals(list.get(i))) { 4901 return true; 4902 } 4903 } 4904 } 4905 return false; 4906 } 4907 4908 private void updateAllSharedLibrariesLPw() { 4909 for (PackageParser.Package pkg : mPackages.values()) { 4910 try { 4911 updateSharedLibrariesLPw(pkg, null); 4912 } catch (PackageManagerException e) { 4913 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4914 } 4915 } 4916 } 4917 4918 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4919 PackageParser.Package changingPkg) { 4920 ArrayList<PackageParser.Package> res = null; 4921 for (PackageParser.Package pkg : mPackages.values()) { 4922 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4923 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4924 if (res == null) { 4925 res = new ArrayList<PackageParser.Package>(); 4926 } 4927 res.add(pkg); 4928 try { 4929 updateSharedLibrariesLPw(pkg, changingPkg); 4930 } catch (PackageManagerException e) { 4931 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4932 } 4933 } 4934 } 4935 return res; 4936 } 4937 4938 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 4939 int scanMode, long currentTime, UserHandle user, String abiOverride) 4940 throws PackageManagerException { 4941 final File scanFile = new File(pkg.codePath); 4942 if (pkg.applicationInfo.getCodePath() == null || 4943 pkg.applicationInfo.getResourcePath() == null) { 4944 // Bail out. The resource and code paths haven't been set. 4945 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 4946 "Code and resource paths haven't been set correctly"); 4947 } 4948 4949 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4950 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4951 } 4952 4953 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4954 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4955 } 4956 4957 if (mCustomResolverComponentName != null && 4958 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4959 setUpCustomResolverActivity(pkg); 4960 } 4961 4962 if (pkg.packageName.equals("android")) { 4963 synchronized (mPackages) { 4964 if (mAndroidApplication != null) { 4965 Slog.w(TAG, "*************************************************"); 4966 Slog.w(TAG, "Core android package being redefined. Skipping."); 4967 Slog.w(TAG, " file=" + scanFile); 4968 Slog.w(TAG, "*************************************************"); 4969 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 4970 "Core android package being redefined. Skipping."); 4971 } 4972 4973 // Set up information for our fall-back user intent resolution activity. 4974 mPlatformPackage = pkg; 4975 pkg.mVersionCode = mSdkVersion; 4976 mAndroidApplication = pkg.applicationInfo; 4977 4978 if (!mResolverReplaced) { 4979 mResolveActivity.applicationInfo = mAndroidApplication; 4980 mResolveActivity.name = ResolverActivity.class.getName(); 4981 mResolveActivity.packageName = mAndroidApplication.packageName; 4982 mResolveActivity.processName = "system:ui"; 4983 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4984 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4985 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4986 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4987 mResolveActivity.exported = true; 4988 mResolveActivity.enabled = true; 4989 mResolveInfo.activityInfo = mResolveActivity; 4990 mResolveInfo.priority = 0; 4991 mResolveInfo.preferredOrder = 0; 4992 mResolveInfo.match = 0; 4993 mResolveComponentName = new ComponentName( 4994 mAndroidApplication.packageName, mResolveActivity.name); 4995 } 4996 } 4997 } 4998 4999 if (DEBUG_PACKAGE_SCANNING) { 5000 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5001 Log.d(TAG, "Scanning package " + pkg.packageName); 5002 } 5003 5004 if (mPackages.containsKey(pkg.packageName) 5005 || mSharedLibraries.containsKey(pkg.packageName)) { 5006 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5007 "Application package " + pkg.packageName 5008 + " already installed. Skipping duplicate."); 5009 } 5010 5011 // Initialize package source and resource directories 5012 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5013 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5014 5015 SharedUserSetting suid = null; 5016 PackageSetting pkgSetting = null; 5017 5018 if (!isSystemApp(pkg)) { 5019 // Only system apps can use these features. 5020 pkg.mOriginalPackages = null; 5021 pkg.mRealPackage = null; 5022 pkg.mAdoptPermissions = null; 5023 } 5024 5025 // writer 5026 synchronized (mPackages) { 5027 if (pkg.mSharedUserId != null) { 5028 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5029 if (suid == null) { 5030 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5031 "Creating application package " + pkg.packageName 5032 + " for shared user failed"); 5033 } 5034 if (DEBUG_PACKAGE_SCANNING) { 5035 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5036 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5037 + "): packages=" + suid.packages); 5038 } 5039 } 5040 5041 // Check if we are renaming from an original package name. 5042 PackageSetting origPackage = null; 5043 String realName = null; 5044 if (pkg.mOriginalPackages != null) { 5045 // This package may need to be renamed to a previously 5046 // installed name. Let's check on that... 5047 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5048 if (pkg.mOriginalPackages.contains(renamed)) { 5049 // This package had originally been installed as the 5050 // original name, and we have already taken care of 5051 // transitioning to the new one. Just update the new 5052 // one to continue using the old name. 5053 realName = pkg.mRealPackage; 5054 if (!pkg.packageName.equals(renamed)) { 5055 // Callers into this function may have already taken 5056 // care of renaming the package; only do it here if 5057 // it is not already done. 5058 pkg.setPackageName(renamed); 5059 } 5060 5061 } else { 5062 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5063 if ((origPackage = mSettings.peekPackageLPr( 5064 pkg.mOriginalPackages.get(i))) != null) { 5065 // We do have the package already installed under its 5066 // original name... should we use it? 5067 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5068 // New package is not compatible with original. 5069 origPackage = null; 5070 continue; 5071 } else if (origPackage.sharedUser != null) { 5072 // Make sure uid is compatible between packages. 5073 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5074 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5075 + " to " + pkg.packageName + ": old uid " 5076 + origPackage.sharedUser.name 5077 + " differs from " + pkg.mSharedUserId); 5078 origPackage = null; 5079 continue; 5080 } 5081 } else { 5082 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5083 + pkg.packageName + " to old name " + origPackage.name); 5084 } 5085 break; 5086 } 5087 } 5088 } 5089 } 5090 5091 if (mTransferedPackages.contains(pkg.packageName)) { 5092 Slog.w(TAG, "Package " + pkg.packageName 5093 + " was transferred to another, but its .apk remains"); 5094 } 5095 5096 // Just create the setting, don't add it yet. For already existing packages 5097 // the PkgSetting exists already and doesn't have to be created. 5098 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5099 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5100 pkg.applicationInfo.primaryCpuAbi, 5101 pkg.applicationInfo.secondaryCpuAbi, 5102 pkg.applicationInfo.flags, user, false); 5103 if (pkgSetting == null) { 5104 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5105 "Creating application package " + pkg.packageName + " failed"); 5106 } 5107 5108 if (pkgSetting.origPackage != null) { 5109 // If we are first transitioning from an original package, 5110 // fix up the new package's name now. We need to do this after 5111 // looking up the package under its new name, so getPackageLP 5112 // can take care of fiddling things correctly. 5113 pkg.setPackageName(origPackage.name); 5114 5115 // File a report about this. 5116 String msg = "New package " + pkgSetting.realName 5117 + " renamed to replace old package " + pkgSetting.name; 5118 reportSettingsProblem(Log.WARN, msg); 5119 5120 // Make a note of it. 5121 mTransferedPackages.add(origPackage.name); 5122 5123 // No longer need to retain this. 5124 pkgSetting.origPackage = null; 5125 } 5126 5127 if (realName != null) { 5128 // Make a note of it. 5129 mTransferedPackages.add(pkg.packageName); 5130 } 5131 5132 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5133 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5134 } 5135 5136 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5137 // Check all shared libraries and map to their actual file path. 5138 // We only do this here for apps not on a system dir, because those 5139 // are the only ones that can fail an install due to this. We 5140 // will take care of the system apps by updating all of their 5141 // library paths after the scan is done. 5142 updateSharedLibrariesLPw(pkg, null); 5143 } 5144 5145 if (mFoundPolicyFile) { 5146 SELinuxMMAC.assignSeinfoValue(pkg); 5147 } 5148 5149 pkg.applicationInfo.uid = pkgSetting.appId; 5150 pkg.mExtras = pkgSetting; 5151 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5152 try { 5153 verifySignaturesLP(pkgSetting, pkg); 5154 } catch (PackageManagerException e) { 5155 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5156 throw e; 5157 } 5158 // The signature has changed, but this package is in the system 5159 // image... let's recover! 5160 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5161 // However... if this package is part of a shared user, but it 5162 // doesn't match the signature of the shared user, let's fail. 5163 // What this means is that you can't change the signatures 5164 // associated with an overall shared user, which doesn't seem all 5165 // that unreasonable. 5166 if (pkgSetting.sharedUser != null) { 5167 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5168 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5169 throw new PackageManagerException( 5170 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5171 "Signature mismatch for shared user : " 5172 + pkgSetting.sharedUser); 5173 } 5174 } 5175 // File a report about this. 5176 String msg = "System package " + pkg.packageName 5177 + " signature changed; retaining data."; 5178 reportSettingsProblem(Log.WARN, msg); 5179 } 5180 } else { 5181 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5182 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5183 + pkg.packageName + " upgrade keys do not match the " 5184 + "previously installed version"); 5185 } else { 5186 // signatures may have changed as result of upgrade 5187 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5188 } 5189 } 5190 // Verify that this new package doesn't have any content providers 5191 // that conflict with existing packages. Only do this if the 5192 // package isn't already installed, since we don't want to break 5193 // things that are installed. 5194 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5195 final int N = pkg.providers.size(); 5196 int i; 5197 for (i=0; i<N; i++) { 5198 PackageParser.Provider p = pkg.providers.get(i); 5199 if (p.info.authority != null) { 5200 String names[] = p.info.authority.split(";"); 5201 for (int j = 0; j < names.length; j++) { 5202 if (mProvidersByAuthority.containsKey(names[j])) { 5203 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5204 final String otherPackageName = 5205 ((other != null && other.getComponentName() != null) ? 5206 other.getComponentName().getPackageName() : "?"); 5207 throw new PackageManagerException( 5208 INSTALL_FAILED_CONFLICTING_PROVIDER, 5209 "Can't install because provider name " + names[j] 5210 + " (in package " + pkg.applicationInfo.packageName 5211 + ") is already used by " + otherPackageName); 5212 } 5213 } 5214 } 5215 } 5216 } 5217 5218 if (pkg.mAdoptPermissions != null) { 5219 // This package wants to adopt ownership of permissions from 5220 // another package. 5221 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5222 final String origName = pkg.mAdoptPermissions.get(i); 5223 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5224 if (orig != null) { 5225 if (verifyPackageUpdateLPr(orig, pkg)) { 5226 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5227 + pkg.packageName); 5228 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5229 } 5230 } 5231 } 5232 } 5233 } 5234 5235 final String pkgName = pkg.packageName; 5236 5237 final long scanFileTime = scanFile.lastModified(); 5238 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5239 pkg.applicationInfo.processName = fixProcessName( 5240 pkg.applicationInfo.packageName, 5241 pkg.applicationInfo.processName, 5242 pkg.applicationInfo.uid); 5243 5244 File dataPath; 5245 if (mPlatformPackage == pkg) { 5246 // The system package is special. 5247 dataPath = new File (Environment.getDataDirectory(), "system"); 5248 pkg.applicationInfo.dataDir = dataPath.getPath(); 5249 } else { 5250 // This is a normal package, need to make its data directory. 5251 dataPath = getDataPathForPackage(pkg.packageName, 0); 5252 5253 boolean uidError = false; 5254 5255 if (dataPath.exists()) { 5256 int currentUid = 0; 5257 try { 5258 StructStat stat = Os.stat(dataPath.getPath()); 5259 currentUid = stat.st_uid; 5260 } catch (ErrnoException e) { 5261 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5262 } 5263 5264 // If we have mismatched owners for the data path, we have a problem. 5265 if (currentUid != pkg.applicationInfo.uid) { 5266 boolean recovered = false; 5267 if (currentUid == 0) { 5268 // The directory somehow became owned by root. Wow. 5269 // This is probably because the system was stopped while 5270 // installd was in the middle of messing with its libs 5271 // directory. Ask installd to fix that. 5272 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5273 pkg.applicationInfo.uid); 5274 if (ret >= 0) { 5275 recovered = true; 5276 String msg = "Package " + pkg.packageName 5277 + " unexpectedly changed to uid 0; recovered to " + 5278 + pkg.applicationInfo.uid; 5279 reportSettingsProblem(Log.WARN, msg); 5280 } 5281 } 5282 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5283 || (scanMode&SCAN_BOOTING) != 0)) { 5284 // If this is a system app, we can at least delete its 5285 // current data so the application will still work. 5286 int ret = removeDataDirsLI(pkgName); 5287 if (ret >= 0) { 5288 // TODO: Kill the processes first 5289 // Old data gone! 5290 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5291 ? "System package " : "Third party package "; 5292 String msg = prefix + pkg.packageName 5293 + " has changed from uid: " 5294 + currentUid + " to " 5295 + pkg.applicationInfo.uid + "; old data erased"; 5296 reportSettingsProblem(Log.WARN, msg); 5297 recovered = true; 5298 5299 // And now re-install the app. 5300 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5301 pkg.applicationInfo.seinfo); 5302 if (ret == -1) { 5303 // Ack should not happen! 5304 msg = prefix + pkg.packageName 5305 + " could not have data directory re-created after delete."; 5306 reportSettingsProblem(Log.WARN, msg); 5307 throw new PackageManagerException( 5308 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5309 } 5310 } 5311 if (!recovered) { 5312 mHasSystemUidErrors = true; 5313 } 5314 } else if (!recovered) { 5315 // If we allow this install to proceed, we will be broken. 5316 // Abort, abort! 5317 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5318 "scanPackageLI"); 5319 } 5320 if (!recovered) { 5321 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5322 + pkg.applicationInfo.uid + "/fs_" 5323 + currentUid; 5324 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5325 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5326 String msg = "Package " + pkg.packageName 5327 + " has mismatched uid: " 5328 + currentUid + " on disk, " 5329 + pkg.applicationInfo.uid + " in settings"; 5330 // writer 5331 synchronized (mPackages) { 5332 mSettings.mReadMessages.append(msg); 5333 mSettings.mReadMessages.append('\n'); 5334 uidError = true; 5335 if (!pkgSetting.uidError) { 5336 reportSettingsProblem(Log.ERROR, msg); 5337 } 5338 } 5339 } 5340 } 5341 pkg.applicationInfo.dataDir = dataPath.getPath(); 5342 if (mShouldRestoreconData) { 5343 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5344 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5345 pkg.applicationInfo.uid); 5346 } 5347 } else { 5348 if (DEBUG_PACKAGE_SCANNING) { 5349 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5350 Log.v(TAG, "Want this data dir: " + dataPath); 5351 } 5352 //invoke installer to do the actual installation 5353 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5354 pkg.applicationInfo.seinfo); 5355 if (ret < 0) { 5356 // Error from installer 5357 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5358 "Unable to create data dirs [errorCode=" + ret + "]"); 5359 } 5360 5361 if (dataPath.exists()) { 5362 pkg.applicationInfo.dataDir = dataPath.getPath(); 5363 } else { 5364 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5365 pkg.applicationInfo.dataDir = null; 5366 } 5367 } 5368 5369 pkgSetting.uidError = uidError; 5370 } 5371 5372 final String path = scanFile.getPath(); 5373 final String codePath = pkg.applicationInfo.getCodePath(); 5374 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5375 // For the case where we had previously uninstalled an update, get rid 5376 // of any native binaries we might have unpackaged. Note that this assumes 5377 // that system app updates were not installed via ASEC. 5378 // 5379 // TODO(multiArch): Is this cleanup really necessary ? 5380 NativeLibraryHelper.removeNativeBinariesFromDirLI( 5381 new File(codePath, LIB_DIR_NAME), false /* delete dirs */); 5382 setBundledAppAbisAndRoots(pkg, pkgSetting); 5383 setNativeLibraryPaths(pkg); 5384 } else { 5385 // TODO: We can probably be smarter about this stuff. For installed apps, 5386 // we can calculate this information at install time once and for all. For 5387 // system apps, we can probably assume that this information doesn't change 5388 // after the first boot scan. As things stand, we do lots of unnecessary work. 5389 5390 // Give ourselves some initial paths; we'll come back for another 5391 // pass once we've determined ABI below. 5392 setNativeLibraryPaths(pkg); 5393 5394 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5395 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5396 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5397 5398 NativeLibraryHelper.Handle handle = null; 5399 try { 5400 handle = NativeLibraryHelper.Handle.create(scanFile); 5401 // TODO(multiArch): This can be null for apps that didn't go through the 5402 // usual installation process. We can calculate it again, like we 5403 // do during install time. 5404 // 5405 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5406 // unnecessary. 5407 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5408 5409 // Null out the abis so that they can be recalculated. 5410 pkg.applicationInfo.primaryCpuAbi = null; 5411 pkg.applicationInfo.secondaryCpuAbi = null; 5412 if (isMultiArch(pkg.applicationInfo)) { 5413 // Warn if we've set an abiOverride for multi-lib packages.. 5414 // By definition, we need to copy both 32 and 64 bit libraries for 5415 // such packages. 5416 if (abiOverride != null) { 5417 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5418 } 5419 5420 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5421 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5422 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5423 if (isAsec) { 5424 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5425 } else { 5426 abi32 = copyNativeLibrariesForInternalApp(handle, 5427 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs); 5428 } 5429 } 5430 5431 if (abi32 < 0 && abi32 != PackageManager.NO_NATIVE_LIBRARIES) { 5432 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5433 "Error unpackaging 32 bit native libs for multiarch app, errorCode=" 5434 + abi32); 5435 } 5436 5437 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5438 if (isAsec) { 5439 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5440 } else { 5441 abi64 = copyNativeLibrariesForInternalApp(handle, 5442 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs); 5443 } 5444 } 5445 5446 if (abi64 < 0 && abi64 != PackageManager.NO_NATIVE_LIBRARIES) { 5447 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5448 "Error unpackaging 64 bit native libs for multiarch app, errorCode=" 5449 + abi32); 5450 } 5451 5452 if (abi64 >= 0) { 5453 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5454 } 5455 5456 if (abi32 >= 0) { 5457 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5458 if (abi64 >= 0) { 5459 pkg.applicationInfo.secondaryCpuAbi = abi; 5460 } else { 5461 pkg.applicationInfo.primaryCpuAbi = abi; 5462 } 5463 } 5464 } else { 5465 String[] abiList = (abiOverride != null) ? 5466 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 5467 5468 // Enable gross and lame hacks for apps that are built with old 5469 // SDK tools. We must scan their APKs for renderscript bitcode and 5470 // not launch them if it's present. Don't bother checking on devices 5471 // that don't have 64 bit support. 5472 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 5473 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5474 abiList = Build.SUPPORTED_32_BIT_ABIS; 5475 } 5476 5477 final int copyRet; 5478 if (isAsec) { 5479 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5480 } else { 5481 copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList, 5482 useIsaSpecificSubdirs); 5483 } 5484 5485 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5486 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5487 "Error unpackaging native libs for app, errorCode=" + copyRet); 5488 } 5489 5490 if (copyRet >= 0) { 5491 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5492 } 5493 } 5494 } catch (IOException ioe) { 5495 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5496 } finally { 5497 IoUtils.closeQuietly(handle); 5498 } 5499 5500 // Now that we've calculated the ABIs and determined if it's an internal app, 5501 // we will go ahead and populate the nativeLibraryPath. 5502 setNativeLibraryPaths(pkg); 5503 5504 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5505 final int[] userIds = sUserManager.getUserIds(); 5506 synchronized (mInstallLock) { 5507 // Create a native library symlink only if we have native libraries 5508 // and if the native libraries are 32 bit libraries. We do not provide 5509 // this symlink for 64 bit libraries. 5510 if (pkg.applicationInfo.primaryCpuAbi != null && 5511 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5512 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5513 for (int userId : userIds) { 5514 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5515 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5516 "Failed linking native library dir (user=" + userId + ")"); 5517 } 5518 } 5519 } 5520 } 5521 5522 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5523 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5524 } 5525 5526 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5527 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5528 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5529 5530 // Push the derived path down into PackageSettings so we know what to 5531 // clean up at uninstall time. 5532 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5533 5534 if (DEBUG_ABI_SELECTION) { 5535 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5536 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5537 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5538 } 5539 5540 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5541 // We don't do this here during boot because we can do it all 5542 // at once after scanning all existing packages. 5543 // 5544 // We also do this *before* we perform dexopt on this package, so that 5545 // we can avoid redundant dexopts, and also to make sure we've got the 5546 // code and package path correct. 5547 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5548 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5549 throw new PackageManagerException(INSTALL_FAILED_CPU_ABI_INCOMPATIBLE, 5550 "scanPackageLI"); 5551 } 5552 } 5553 5554 if ((scanMode&SCAN_NO_DEX) == 0) { 5555 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5556 == DEX_OPT_FAILED) { 5557 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5558 removeDataDirsLI(pkg.packageName); 5559 } 5560 5561 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5562 } 5563 } 5564 5565 if (mFactoryTest && pkg.requestedPermissions.contains( 5566 android.Manifest.permission.FACTORY_TEST)) { 5567 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5568 } 5569 5570 ArrayList<PackageParser.Package> clientLibPkgs = null; 5571 5572 // writer 5573 synchronized (mPackages) { 5574 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5575 // Only system apps can add new shared libraries. 5576 if (pkg.libraryNames != null) { 5577 for (int i=0; i<pkg.libraryNames.size(); i++) { 5578 String name = pkg.libraryNames.get(i); 5579 boolean allowed = false; 5580 if (isUpdatedSystemApp(pkg)) { 5581 // New library entries can only be added through the 5582 // system image. This is important to get rid of a lot 5583 // of nasty edge cases: for example if we allowed a non- 5584 // system update of the app to add a library, then uninstalling 5585 // the update would make the library go away, and assumptions 5586 // we made such as through app install filtering would now 5587 // have allowed apps on the device which aren't compatible 5588 // with it. Better to just have the restriction here, be 5589 // conservative, and create many fewer cases that can negatively 5590 // impact the user experience. 5591 final PackageSetting sysPs = mSettings 5592 .getDisabledSystemPkgLPr(pkg.packageName); 5593 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5594 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5595 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5596 allowed = true; 5597 allowed = true; 5598 break; 5599 } 5600 } 5601 } 5602 } else { 5603 allowed = true; 5604 } 5605 if (allowed) { 5606 if (!mSharedLibraries.containsKey(name)) { 5607 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5608 } else if (!name.equals(pkg.packageName)) { 5609 Slog.w(TAG, "Package " + pkg.packageName + " library " 5610 + name + " already exists; skipping"); 5611 } 5612 } else { 5613 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5614 + name + " that is not declared on system image; skipping"); 5615 } 5616 } 5617 if ((scanMode&SCAN_BOOTING) == 0) { 5618 // If we are not booting, we need to update any applications 5619 // that are clients of our shared library. If we are booting, 5620 // this will all be done once the scan is complete. 5621 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5622 } 5623 } 5624 } 5625 } 5626 5627 // We also need to dexopt any apps that are dependent on this library. Note that 5628 // if these fail, we should abort the install since installing the library will 5629 // result in some apps being broken. 5630 if (clientLibPkgs != null) { 5631 if ((scanMode&SCAN_NO_DEX) == 0) { 5632 for (int i=0; i<clientLibPkgs.size(); i++) { 5633 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5634 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5635 == DEX_OPT_FAILED) { 5636 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5637 removeDataDirsLI(pkg.packageName); 5638 } 5639 5640 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5641 "scanPackageLI failed to dexopt clientLibPkgs"); 5642 } 5643 } 5644 } 5645 } 5646 5647 // Request the ActivityManager to kill the process(only for existing packages) 5648 // so that we do not end up in a confused state while the user is still using the older 5649 // version of the application while the new one gets installed. 5650 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5651 // If the package lives in an asec, tell everyone that the container is going 5652 // away so they can clean up any references to its resources (which would prevent 5653 // vold from being able to unmount the asec) 5654 if (isForwardLocked(pkg) || isExternal(pkg)) { 5655 if (DEBUG_INSTALL) { 5656 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5657 } 5658 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5659 final ArrayList<String> pkgList = new ArrayList<String>(1); 5660 pkgList.add(pkg.applicationInfo.packageName); 5661 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5662 } 5663 5664 // Post the request that it be killed now that the going-away broadcast is en route 5665 killApplication(pkg.applicationInfo.packageName, 5666 pkg.applicationInfo.uid, "update pkg"); 5667 } 5668 5669 // Also need to kill any apps that are dependent on the library. 5670 if (clientLibPkgs != null) { 5671 for (int i=0; i<clientLibPkgs.size(); i++) { 5672 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5673 killApplication(clientPkg.applicationInfo.packageName, 5674 clientPkg.applicationInfo.uid, "update lib"); 5675 } 5676 } 5677 5678 // writer 5679 synchronized (mPackages) { 5680 // We don't expect installation to fail beyond this point, 5681 if ((scanMode&SCAN_MONITOR) != 0) { 5682 mAppDirs.put(pkg.codePath, pkg); 5683 } 5684 // Add the new setting to mSettings 5685 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5686 // Add the new setting to mPackages 5687 mPackages.put(pkg.applicationInfo.packageName, pkg); 5688 // Make sure we don't accidentally delete its data. 5689 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5690 while (iter.hasNext()) { 5691 PackageCleanItem item = iter.next(); 5692 if (pkgName.equals(item.packageName)) { 5693 iter.remove(); 5694 } 5695 } 5696 5697 // Take care of first install / last update times. 5698 if (currentTime != 0) { 5699 if (pkgSetting.firstInstallTime == 0) { 5700 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5701 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5702 pkgSetting.lastUpdateTime = currentTime; 5703 } 5704 } else if (pkgSetting.firstInstallTime == 0) { 5705 // We need *something*. Take time time stamp of the file. 5706 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5707 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5708 if (scanFileTime != pkgSetting.timeStamp) { 5709 // A package on the system image has changed; consider this 5710 // to be an update. 5711 pkgSetting.lastUpdateTime = scanFileTime; 5712 } 5713 } 5714 5715 // Add the package's KeySets to the global KeySetManagerService 5716 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5717 try { 5718 // Old KeySetData no longer valid. 5719 ksms.removeAppKeySetDataLPw(pkg.packageName); 5720 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5721 if (pkg.mKeySetMapping != null) { 5722 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5723 pkg.mKeySetMapping.entrySet()) { 5724 if (entry.getValue() != null) { 5725 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5726 entry.getValue(), entry.getKey()); 5727 } 5728 } 5729 if (pkg.mUpgradeKeySets != null) { 5730 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5731 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5732 } 5733 } 5734 } 5735 } catch (NullPointerException e) { 5736 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5737 } catch (IllegalArgumentException e) { 5738 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5739 } 5740 5741 int N = pkg.providers.size(); 5742 StringBuilder r = null; 5743 int i; 5744 for (i=0; i<N; i++) { 5745 PackageParser.Provider p = pkg.providers.get(i); 5746 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5747 p.info.processName, pkg.applicationInfo.uid); 5748 mProviders.addProvider(p); 5749 p.syncable = p.info.isSyncable; 5750 if (p.info.authority != null) { 5751 String names[] = p.info.authority.split(";"); 5752 p.info.authority = null; 5753 for (int j = 0; j < names.length; j++) { 5754 if (j == 1 && p.syncable) { 5755 // We only want the first authority for a provider to possibly be 5756 // syncable, so if we already added this provider using a different 5757 // authority clear the syncable flag. We copy the provider before 5758 // changing it because the mProviders object contains a reference 5759 // to a provider that we don't want to change. 5760 // Only do this for the second authority since the resulting provider 5761 // object can be the same for all future authorities for this provider. 5762 p = new PackageParser.Provider(p); 5763 p.syncable = false; 5764 } 5765 if (!mProvidersByAuthority.containsKey(names[j])) { 5766 mProvidersByAuthority.put(names[j], p); 5767 if (p.info.authority == null) { 5768 p.info.authority = names[j]; 5769 } else { 5770 p.info.authority = p.info.authority + ";" + names[j]; 5771 } 5772 if (DEBUG_PACKAGE_SCANNING) { 5773 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5774 Log.d(TAG, "Registered content provider: " + names[j] 5775 + ", className = " + p.info.name + ", isSyncable = " 5776 + p.info.isSyncable); 5777 } 5778 } else { 5779 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5780 Slog.w(TAG, "Skipping provider name " + names[j] + 5781 " (in package " + pkg.applicationInfo.packageName + 5782 "): name already used by " 5783 + ((other != null && other.getComponentName() != null) 5784 ? other.getComponentName().getPackageName() : "?")); 5785 } 5786 } 5787 } 5788 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5789 if (r == null) { 5790 r = new StringBuilder(256); 5791 } else { 5792 r.append(' '); 5793 } 5794 r.append(p.info.name); 5795 } 5796 } 5797 if (r != null) { 5798 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5799 } 5800 5801 N = pkg.services.size(); 5802 r = null; 5803 for (i=0; i<N; i++) { 5804 PackageParser.Service s = pkg.services.get(i); 5805 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5806 s.info.processName, pkg.applicationInfo.uid); 5807 mServices.addService(s); 5808 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5809 if (r == null) { 5810 r = new StringBuilder(256); 5811 } else { 5812 r.append(' '); 5813 } 5814 r.append(s.info.name); 5815 } 5816 } 5817 if (r != null) { 5818 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5819 } 5820 5821 N = pkg.receivers.size(); 5822 r = null; 5823 for (i=0; i<N; i++) { 5824 PackageParser.Activity a = pkg.receivers.get(i); 5825 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5826 a.info.processName, pkg.applicationInfo.uid); 5827 mReceivers.addActivity(a, "receiver"); 5828 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5829 if (r == null) { 5830 r = new StringBuilder(256); 5831 } else { 5832 r.append(' '); 5833 } 5834 r.append(a.info.name); 5835 } 5836 } 5837 if (r != null) { 5838 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5839 } 5840 5841 N = pkg.activities.size(); 5842 r = null; 5843 for (i=0; i<N; i++) { 5844 PackageParser.Activity a = pkg.activities.get(i); 5845 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5846 a.info.processName, pkg.applicationInfo.uid); 5847 mActivities.addActivity(a, "activity"); 5848 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5849 if (r == null) { 5850 r = new StringBuilder(256); 5851 } else { 5852 r.append(' '); 5853 } 5854 r.append(a.info.name); 5855 } 5856 } 5857 if (r != null) { 5858 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5859 } 5860 5861 N = pkg.permissionGroups.size(); 5862 r = null; 5863 for (i=0; i<N; i++) { 5864 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5865 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5866 if (cur == null) { 5867 mPermissionGroups.put(pg.info.name, pg); 5868 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5869 if (r == null) { 5870 r = new StringBuilder(256); 5871 } else { 5872 r.append(' '); 5873 } 5874 r.append(pg.info.name); 5875 } 5876 } else { 5877 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5878 + pg.info.packageName + " ignored: original from " 5879 + cur.info.packageName); 5880 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5881 if (r == null) { 5882 r = new StringBuilder(256); 5883 } else { 5884 r.append(' '); 5885 } 5886 r.append("DUP:"); 5887 r.append(pg.info.name); 5888 } 5889 } 5890 } 5891 if (r != null) { 5892 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5893 } 5894 5895 N = pkg.permissions.size(); 5896 r = null; 5897 for (i=0; i<N; i++) { 5898 PackageParser.Permission p = pkg.permissions.get(i); 5899 HashMap<String, BasePermission> permissionMap = 5900 p.tree ? mSettings.mPermissionTrees 5901 : mSettings.mPermissions; 5902 p.group = mPermissionGroups.get(p.info.group); 5903 if (p.info.group == null || p.group != null) { 5904 BasePermission bp = permissionMap.get(p.info.name); 5905 if (bp == null) { 5906 bp = new BasePermission(p.info.name, p.info.packageName, 5907 BasePermission.TYPE_NORMAL); 5908 permissionMap.put(p.info.name, bp); 5909 } 5910 if (bp.perm == null) { 5911 if (bp.sourcePackage != null 5912 && !bp.sourcePackage.equals(p.info.packageName)) { 5913 // If this is a permission that was formerly defined by a non-system 5914 // app, but is now defined by a system app (following an upgrade), 5915 // discard the previous declaration and consider the system's to be 5916 // canonical. 5917 if (isSystemApp(p.owner)) { 5918 String msg = "New decl " + p.owner + " of permission " 5919 + p.info.name + " is system"; 5920 reportSettingsProblem(Log.WARN, msg); 5921 bp.sourcePackage = null; 5922 } 5923 } 5924 if (bp.sourcePackage == null 5925 || bp.sourcePackage.equals(p.info.packageName)) { 5926 BasePermission tree = findPermissionTreeLP(p.info.name); 5927 if (tree == null 5928 || tree.sourcePackage.equals(p.info.packageName)) { 5929 bp.packageSetting = pkgSetting; 5930 bp.perm = p; 5931 bp.uid = pkg.applicationInfo.uid; 5932 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5933 if (r == null) { 5934 r = new StringBuilder(256); 5935 } else { 5936 r.append(' '); 5937 } 5938 r.append(p.info.name); 5939 } 5940 } else { 5941 Slog.w(TAG, "Permission " + p.info.name + " from package " 5942 + p.info.packageName + " ignored: base tree " 5943 + tree.name + " is from package " 5944 + tree.sourcePackage); 5945 } 5946 } else { 5947 Slog.w(TAG, "Permission " + p.info.name + " from package " 5948 + p.info.packageName + " ignored: original from " 5949 + bp.sourcePackage); 5950 } 5951 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5952 if (r == null) { 5953 r = new StringBuilder(256); 5954 } else { 5955 r.append(' '); 5956 } 5957 r.append("DUP:"); 5958 r.append(p.info.name); 5959 } 5960 if (bp.perm == p) { 5961 bp.protectionLevel = p.info.protectionLevel; 5962 } 5963 } else { 5964 Slog.w(TAG, "Permission " + p.info.name + " from package " 5965 + p.info.packageName + " ignored: no group " 5966 + p.group); 5967 } 5968 } 5969 if (r != null) { 5970 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5971 } 5972 5973 N = pkg.instrumentation.size(); 5974 r = null; 5975 for (i=0; i<N; i++) { 5976 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5977 a.info.packageName = pkg.applicationInfo.packageName; 5978 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5979 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5980 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5981 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5982 a.info.dataDir = pkg.applicationInfo.dataDir; 5983 5984 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 5985 // need other information about the application, like the ABI and what not ? 5986 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5987 mInstrumentation.put(a.getComponentName(), a); 5988 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5989 if (r == null) { 5990 r = new StringBuilder(256); 5991 } else { 5992 r.append(' '); 5993 } 5994 r.append(a.info.name); 5995 } 5996 } 5997 if (r != null) { 5998 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5999 } 6000 6001 if (pkg.protectedBroadcasts != null) { 6002 N = pkg.protectedBroadcasts.size(); 6003 for (i=0; i<N; i++) { 6004 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6005 } 6006 } 6007 6008 pkgSetting.setTimeStamp(scanFileTime); 6009 6010 // Create idmap files for pairs of (packages, overlay packages). 6011 // Note: "android", ie framework-res.apk, is handled by native layers. 6012 if (pkg.mOverlayTarget != null) { 6013 // This is an overlay package. 6014 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6015 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6016 mOverlays.put(pkg.mOverlayTarget, 6017 new HashMap<String, PackageParser.Package>()); 6018 } 6019 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6020 map.put(pkg.packageName, pkg); 6021 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6022 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6023 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6024 "scanPackageLI failed to createIdmap"); 6025 } 6026 } 6027 } else if (mOverlays.containsKey(pkg.packageName) && 6028 !pkg.packageName.equals("android")) { 6029 // This is a regular package, with one or more known overlay packages. 6030 createIdmapsForPackageLI(pkg); 6031 } 6032 } 6033 6034 return pkg; 6035 } 6036 6037 /** 6038 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6039 * i.e, so that all packages can be run inside a single process if required. 6040 * 6041 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6042 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6043 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6044 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6045 * updating a package that belongs to a shared user. 6046 * 6047 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6048 * adds unnecessary complexity. 6049 */ 6050 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6051 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6052 String requiredInstructionSet = null; 6053 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6054 requiredInstructionSet = VMRuntime.getInstructionSet( 6055 scannedPackage.applicationInfo.primaryCpuAbi); 6056 } 6057 6058 PackageSetting requirer = null; 6059 for (PackageSetting ps : packagesForUser) { 6060 // If packagesForUser contains scannedPackage, we skip it. This will happen 6061 // when scannedPackage is an update of an existing package. Without this check, 6062 // we will never be able to change the ABI of any package belonging to a shared 6063 // user, even if it's compatible with other packages. 6064 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6065 if (ps.primaryCpuAbiString == null) { 6066 continue; 6067 } 6068 6069 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6070 if (requiredInstructionSet != null) { 6071 if (!instructionSet.equals(requiredInstructionSet)) { 6072 // We have a mismatch between instruction sets (say arm vs arm64). 6073 // bail out. 6074 String errorMessage = "Instruction set mismatch, " 6075 + ((requirer == null) ? "[caller]" : requirer) 6076 + " requires " + requiredInstructionSet + " whereas " + ps 6077 + " requires " + instructionSet; 6078 Slog.e(TAG, errorMessage); 6079 6080 reportSettingsProblem(Log.WARN, errorMessage); 6081 // Give up, don't bother making any other changes to the package settings. 6082 return false; 6083 } 6084 } else { 6085 requiredInstructionSet = instructionSet; 6086 requirer = ps; 6087 } 6088 } 6089 } 6090 6091 if (requiredInstructionSet != null) { 6092 String adjustedAbi; 6093 if (requirer != null) { 6094 // requirer != null implies that either scannedPackage was null or that scannedPackage 6095 // did not require an ABI, in which case we have to adjust scannedPackage to match 6096 // the ABI of the set (which is the same as requirer's ABI) 6097 adjustedAbi = requirer.primaryCpuAbiString; 6098 if (scannedPackage != null) { 6099 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6100 } 6101 } else { 6102 // requirer == null implies that we're updating all ABIs in the set to 6103 // match scannedPackage. 6104 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6105 } 6106 6107 for (PackageSetting ps : packagesForUser) { 6108 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6109 if (ps.primaryCpuAbiString != null) { 6110 continue; 6111 } 6112 6113 ps.primaryCpuAbiString = adjustedAbi; 6114 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6115 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6116 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6117 6118 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6119 ps.primaryCpuAbiString = null; 6120 ps.pkg.applicationInfo.primaryCpuAbi = null; 6121 return false; 6122 } else { 6123 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6124 } 6125 } 6126 } 6127 } 6128 } 6129 6130 return true; 6131 } 6132 6133 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6134 synchronized (mPackages) { 6135 mResolverReplaced = true; 6136 // Set up information for custom user intent resolution activity. 6137 mResolveActivity.applicationInfo = pkg.applicationInfo; 6138 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6139 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6140 mResolveActivity.processName = null; 6141 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6142 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6143 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6144 mResolveActivity.theme = 0; 6145 mResolveActivity.exported = true; 6146 mResolveActivity.enabled = true; 6147 mResolveInfo.activityInfo = mResolveActivity; 6148 mResolveInfo.priority = 0; 6149 mResolveInfo.preferredOrder = 0; 6150 mResolveInfo.match = 0; 6151 mResolveComponentName = mCustomResolverComponentName; 6152 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6153 mResolveComponentName); 6154 } 6155 } 6156 6157 private static String calculateApkRoot(final String codePathString) { 6158 final File codePath = new File(codePathString); 6159 final File codeRoot; 6160 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6161 codeRoot = Environment.getRootDirectory(); 6162 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6163 codeRoot = Environment.getOemDirectory(); 6164 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6165 codeRoot = Environment.getVendorDirectory(); 6166 } else { 6167 // Unrecognized code path; take its top real segment as the apk root: 6168 // e.g. /something/app/blah.apk => /something 6169 try { 6170 File f = codePath.getCanonicalFile(); 6171 File parent = f.getParentFile(); // non-null because codePath is a file 6172 File tmp; 6173 while ((tmp = parent.getParentFile()) != null) { 6174 f = parent; 6175 parent = tmp; 6176 } 6177 codeRoot = f; 6178 Slog.w(TAG, "Unrecognized code path " 6179 + codePath + " - using " + codeRoot); 6180 } catch (IOException e) { 6181 // Can't canonicalize the code path -- shenanigans? 6182 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6183 return Environment.getRootDirectory().getPath(); 6184 } 6185 } 6186 return codeRoot.getPath(); 6187 } 6188 6189 /** 6190 * Derive and set the location of native libraries for the given package, 6191 * which varies depending on where and how the package was installed. 6192 */ 6193 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6194 final ApplicationInfo info = pkg.applicationInfo; 6195 final String codePath = pkg.codePath; 6196 final File codeFile = new File(codePath); 6197 6198 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6199 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6200 6201 info.nativeLibraryRootDir = null; 6202 info.nativeLibraryRootRequiresIsa = false; 6203 info.nativeLibraryDir = null; 6204 6205 if (bundledApp) { 6206 // Monolithic bundled install 6207 // TODO: support cluster bundled installs? 6208 6209 final boolean is64Bit = (info.primaryCpuAbi != null) 6210 && VMRuntime.is64BitAbi(info.primaryCpuAbi); 6211 6212 // This is a bundled system app so choose the path based on the ABI. 6213 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6214 // is just the default path. 6215 final String apkName = deriveCodePathName(codePath); 6216 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6217 info.nativeLibraryRootDir = Environment.buildPath(new File(info.apkRoot), libDir, 6218 apkName).getAbsolutePath(); 6219 info.nativeLibraryRootRequiresIsa = false; 6220 6221 } else if (isApkFile(codeFile)) { 6222 // Monolithic install 6223 if (asecApp) { 6224 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6225 .getAbsolutePath(); 6226 info.nativeLibraryRootRequiresIsa = false; 6227 } else { 6228 final String apkName = deriveCodePathName(codePath); 6229 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6230 .getAbsolutePath(); 6231 info.nativeLibraryRootRequiresIsa = false; 6232 } 6233 } else { 6234 // Cluster install 6235 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6236 info.nativeLibraryRootRequiresIsa = true; 6237 } 6238 6239 if (info.nativeLibraryRootRequiresIsa) { 6240 if (info.primaryCpuAbi != null) { 6241 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6242 VMRuntime.getInstructionSet(info.primaryCpuAbi)).getAbsolutePath(); 6243 } else { 6244 Slog.w(TAG, "Package " + info.packageName 6245 + " missing ABI; unable to derive nativeLibraryDir"); 6246 } 6247 } else { 6248 info.nativeLibraryDir = info.nativeLibraryRootDir; 6249 } 6250 } 6251 6252 /** 6253 * Calculate the abis and roots for a bundled app. These can uniquely 6254 * be determined from the contents of the system partition, i.e whether 6255 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6256 * of this information, and instead assume that the system was built 6257 * sensibly. 6258 */ 6259 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6260 PackageSetting pkgSetting) { 6261 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6262 6263 // If "/system/lib64/apkname" exists, assume that is the per-package 6264 // native library directory to use; otherwise use "/system/lib/apkname". 6265 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6266 pkg.applicationInfo.apkRoot = apkRoot; 6267 setBundledAppAbi(pkg, apkRoot, apkName); 6268 // pkgSetting might be null during rescan following uninstall of updates 6269 // to a bundled app, so accommodate that possibility. The settings in 6270 // that case will be established later from the parsed package. 6271 // 6272 // If the settings aren't null, sync them up with what we've just derived. 6273 // note that apkRoot isn't stored in the package settings. 6274 if (pkgSetting != null) { 6275 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6276 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6277 } 6278 } 6279 6280 /** 6281 * Deduces the ABI of a bundled app and sets the relevant fields on the 6282 * parsed pkg object. 6283 * 6284 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6285 * under which system libraries are installed. 6286 * @param apkName the name of the installed package. 6287 */ 6288 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6289 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6290 // or similar. 6291 final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6292 final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6293 6294 if (has64BitLibs && !has32BitLibs) { 6295 // The package has 64 bit libs, but not 32 bit libs. Its primary 6296 // ABI should be 64 bit. We can safely assume here that the bundled 6297 // native libraries correspond to the most preferred ABI in the list. 6298 6299 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6300 pkg.applicationInfo.secondaryCpuAbi = null; 6301 } else if (has32BitLibs && !has64BitLibs) { 6302 // The package has 32 bit libs but not 64 bit libs. Its primary 6303 // ABI should be 32 bit. 6304 6305 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6306 pkg.applicationInfo.secondaryCpuAbi = null; 6307 } else if (has32BitLibs && has64BitLibs) { 6308 // The application has both 64 and 32 bit bundled libraries. We check 6309 // here that the app declares multiArch support, and warn if it doesn't. 6310 // 6311 // We will be lenient here and record both ABIs. The primary will be the 6312 // ABI that's higher on the list, i.e, a device that's configured to prefer 6313 // 64 bit apps will see a 64 bit primary ABI, 6314 6315 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6316 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6317 } 6318 6319 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6320 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6321 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6322 } else { 6323 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6324 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6325 } 6326 } else { 6327 pkg.applicationInfo.primaryCpuAbi = null; 6328 pkg.applicationInfo.secondaryCpuAbi = null; 6329 } 6330 } 6331 6332 private static void createNativeLibrarySubdir(File path) throws IOException { 6333 if (!path.isDirectory()) { 6334 path.delete(); 6335 6336 if (!path.mkdir()) { 6337 throw new IOException("Cannot create " + path.getPath()); 6338 } 6339 6340 try { 6341 Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6342 } catch (ErrnoException e) { 6343 throw new IOException("Cannot chmod native library directory " 6344 + path.getPath(), e); 6345 } 6346 } else if (!SELinux.restorecon(path)) { 6347 throw new IOException("Cannot set SELinux context for " + path.getPath()); 6348 } 6349 } 6350 6351 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6352 final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException { 6353 createNativeLibrarySubdir(nativeLibraryRoot); 6354 6355 /* 6356 * If this is an internal application or our nativeLibraryPath points to 6357 * the app-lib directory, unpack the libraries if necessary. 6358 */ 6359 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6360 if (abi >= 0) { 6361 /* 6362 * If we have a matching instruction set, construct a subdir under the native 6363 * library root that corresponds to this instruction set. 6364 */ 6365 final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]); 6366 final File subDir; 6367 if (useIsaSubdir) { 6368 final File isaSubdir = new File(nativeLibraryRoot, instructionSet); 6369 createNativeLibrarySubdir(isaSubdir); 6370 subDir = isaSubdir; 6371 } else { 6372 subDir = nativeLibraryRoot; 6373 } 6374 6375 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]); 6376 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6377 return copyRet; 6378 } 6379 } 6380 6381 return abi; 6382 } 6383 6384 private void killApplication(String pkgName, int appId, String reason) { 6385 // Request the ActivityManager to kill the process(only for existing packages) 6386 // so that we do not end up in a confused state while the user is still using the older 6387 // version of the application while the new one gets installed. 6388 IActivityManager am = ActivityManagerNative.getDefault(); 6389 if (am != null) { 6390 try { 6391 am.killApplicationWithAppId(pkgName, appId, reason); 6392 } catch (RemoteException e) { 6393 } 6394 } 6395 } 6396 6397 void removePackageLI(PackageSetting ps, boolean chatty) { 6398 if (DEBUG_INSTALL) { 6399 if (chatty) 6400 Log.d(TAG, "Removing package " + ps.name); 6401 } 6402 6403 // writer 6404 synchronized (mPackages) { 6405 mPackages.remove(ps.name); 6406 if (ps.codePathString != null) { 6407 mAppDirs.remove(ps.codePathString); 6408 } 6409 6410 final PackageParser.Package pkg = ps.pkg; 6411 if (pkg != null) { 6412 cleanPackageDataStructuresLILPw(pkg, chatty); 6413 } 6414 } 6415 } 6416 6417 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6418 if (DEBUG_INSTALL) { 6419 if (chatty) 6420 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6421 } 6422 6423 // writer 6424 synchronized (mPackages) { 6425 mPackages.remove(pkg.applicationInfo.packageName); 6426 if (pkg.codePath != null) { 6427 mAppDirs.remove(pkg.codePath); 6428 } 6429 cleanPackageDataStructuresLILPw(pkg, chatty); 6430 } 6431 } 6432 6433 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6434 int N = pkg.providers.size(); 6435 StringBuilder r = null; 6436 int i; 6437 for (i=0; i<N; i++) { 6438 PackageParser.Provider p = pkg.providers.get(i); 6439 mProviders.removeProvider(p); 6440 if (p.info.authority == null) { 6441 6442 /* There was another ContentProvider with this authority when 6443 * this app was installed so this authority is null, 6444 * Ignore it as we don't have to unregister the provider. 6445 */ 6446 continue; 6447 } 6448 String names[] = p.info.authority.split(";"); 6449 for (int j = 0; j < names.length; j++) { 6450 if (mProvidersByAuthority.get(names[j]) == p) { 6451 mProvidersByAuthority.remove(names[j]); 6452 if (DEBUG_REMOVE) { 6453 if (chatty) 6454 Log.d(TAG, "Unregistered content provider: " + names[j] 6455 + ", className = " + p.info.name + ", isSyncable = " 6456 + p.info.isSyncable); 6457 } 6458 } 6459 } 6460 if (DEBUG_REMOVE && chatty) { 6461 if (r == null) { 6462 r = new StringBuilder(256); 6463 } else { 6464 r.append(' '); 6465 } 6466 r.append(p.info.name); 6467 } 6468 } 6469 if (r != null) { 6470 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6471 } 6472 6473 N = pkg.services.size(); 6474 r = null; 6475 for (i=0; i<N; i++) { 6476 PackageParser.Service s = pkg.services.get(i); 6477 mServices.removeService(s); 6478 if (chatty) { 6479 if (r == null) { 6480 r = new StringBuilder(256); 6481 } else { 6482 r.append(' '); 6483 } 6484 r.append(s.info.name); 6485 } 6486 } 6487 if (r != null) { 6488 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6489 } 6490 6491 N = pkg.receivers.size(); 6492 r = null; 6493 for (i=0; i<N; i++) { 6494 PackageParser.Activity a = pkg.receivers.get(i); 6495 mReceivers.removeActivity(a, "receiver"); 6496 if (DEBUG_REMOVE && chatty) { 6497 if (r == null) { 6498 r = new StringBuilder(256); 6499 } else { 6500 r.append(' '); 6501 } 6502 r.append(a.info.name); 6503 } 6504 } 6505 if (r != null) { 6506 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6507 } 6508 6509 N = pkg.activities.size(); 6510 r = null; 6511 for (i=0; i<N; i++) { 6512 PackageParser.Activity a = pkg.activities.get(i); 6513 mActivities.removeActivity(a, "activity"); 6514 if (DEBUG_REMOVE && chatty) { 6515 if (r == null) { 6516 r = new StringBuilder(256); 6517 } else { 6518 r.append(' '); 6519 } 6520 r.append(a.info.name); 6521 } 6522 } 6523 if (r != null) { 6524 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6525 } 6526 6527 N = pkg.permissions.size(); 6528 r = null; 6529 for (i=0; i<N; i++) { 6530 PackageParser.Permission p = pkg.permissions.get(i); 6531 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6532 if (bp == null) { 6533 bp = mSettings.mPermissionTrees.get(p.info.name); 6534 } 6535 if (bp != null && bp.perm == p) { 6536 bp.perm = null; 6537 if (DEBUG_REMOVE && chatty) { 6538 if (r == null) { 6539 r = new StringBuilder(256); 6540 } else { 6541 r.append(' '); 6542 } 6543 r.append(p.info.name); 6544 } 6545 } 6546 } 6547 if (r != null) { 6548 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6549 } 6550 6551 N = pkg.instrumentation.size(); 6552 r = null; 6553 for (i=0; i<N; i++) { 6554 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6555 mInstrumentation.remove(a.getComponentName()); 6556 if (DEBUG_REMOVE && chatty) { 6557 if (r == null) { 6558 r = new StringBuilder(256); 6559 } else { 6560 r.append(' '); 6561 } 6562 r.append(a.info.name); 6563 } 6564 } 6565 if (r != null) { 6566 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6567 } 6568 6569 r = null; 6570 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6571 // Only system apps can hold shared libraries. 6572 if (pkg.libraryNames != null) { 6573 for (i=0; i<pkg.libraryNames.size(); i++) { 6574 String name = pkg.libraryNames.get(i); 6575 SharedLibraryEntry cur = mSharedLibraries.get(name); 6576 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6577 mSharedLibraries.remove(name); 6578 if (DEBUG_REMOVE && chatty) { 6579 if (r == null) { 6580 r = new StringBuilder(256); 6581 } else { 6582 r.append(' '); 6583 } 6584 r.append(name); 6585 } 6586 } 6587 } 6588 } 6589 } 6590 if (r != null) { 6591 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6592 } 6593 } 6594 6595 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6596 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6597 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6598 return true; 6599 } 6600 } 6601 return false; 6602 } 6603 6604 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6605 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6606 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6607 6608 private void updatePermissionsLPw(String changingPkg, 6609 PackageParser.Package pkgInfo, int flags) { 6610 // Make sure there are no dangling permission trees. 6611 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6612 while (it.hasNext()) { 6613 final BasePermission bp = it.next(); 6614 if (bp.packageSetting == null) { 6615 // We may not yet have parsed the package, so just see if 6616 // we still know about its settings. 6617 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6618 } 6619 if (bp.packageSetting == null) { 6620 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6621 + " from package " + bp.sourcePackage); 6622 it.remove(); 6623 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6624 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6625 Slog.i(TAG, "Removing old permission tree: " + bp.name 6626 + " from package " + bp.sourcePackage); 6627 flags |= UPDATE_PERMISSIONS_ALL; 6628 it.remove(); 6629 } 6630 } 6631 } 6632 6633 // Make sure all dynamic permissions have been assigned to a package, 6634 // and make sure there are no dangling permissions. 6635 it = mSettings.mPermissions.values().iterator(); 6636 while (it.hasNext()) { 6637 final BasePermission bp = it.next(); 6638 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6639 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6640 + bp.name + " pkg=" + bp.sourcePackage 6641 + " info=" + bp.pendingInfo); 6642 if (bp.packageSetting == null && bp.pendingInfo != null) { 6643 final BasePermission tree = findPermissionTreeLP(bp.name); 6644 if (tree != null && tree.perm != null) { 6645 bp.packageSetting = tree.packageSetting; 6646 bp.perm = new PackageParser.Permission(tree.perm.owner, 6647 new PermissionInfo(bp.pendingInfo)); 6648 bp.perm.info.packageName = tree.perm.info.packageName; 6649 bp.perm.info.name = bp.name; 6650 bp.uid = tree.uid; 6651 } 6652 } 6653 } 6654 if (bp.packageSetting == null) { 6655 // We may not yet have parsed the package, so just see if 6656 // we still know about its settings. 6657 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6658 } 6659 if (bp.packageSetting == null) { 6660 Slog.w(TAG, "Removing dangling permission: " + bp.name 6661 + " from package " + bp.sourcePackage); 6662 it.remove(); 6663 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6664 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6665 Slog.i(TAG, "Removing old permission: " + bp.name 6666 + " from package " + bp.sourcePackage); 6667 flags |= UPDATE_PERMISSIONS_ALL; 6668 it.remove(); 6669 } 6670 } 6671 } 6672 6673 // Now update the permissions for all packages, in particular 6674 // replace the granted permissions of the system packages. 6675 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6676 for (PackageParser.Package pkg : mPackages.values()) { 6677 if (pkg != pkgInfo) { 6678 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6679 } 6680 } 6681 } 6682 6683 if (pkgInfo != null) { 6684 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6685 } 6686 } 6687 6688 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6689 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6690 if (ps == null) { 6691 return; 6692 } 6693 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6694 HashSet<String> origPermissions = gp.grantedPermissions; 6695 boolean changedPermission = false; 6696 6697 if (replace) { 6698 ps.permissionsFixed = false; 6699 if (gp == ps) { 6700 origPermissions = new HashSet<String>(gp.grantedPermissions); 6701 gp.grantedPermissions.clear(); 6702 gp.gids = mGlobalGids; 6703 } 6704 } 6705 6706 if (gp.gids == null) { 6707 gp.gids = mGlobalGids; 6708 } 6709 6710 final int N = pkg.requestedPermissions.size(); 6711 for (int i=0; i<N; i++) { 6712 final String name = pkg.requestedPermissions.get(i); 6713 final boolean required = pkg.requestedPermissionsRequired.get(i); 6714 final BasePermission bp = mSettings.mPermissions.get(name); 6715 if (DEBUG_INSTALL) { 6716 if (gp != ps) { 6717 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6718 } 6719 } 6720 6721 if (bp == null || bp.packageSetting == null) { 6722 Slog.w(TAG, "Unknown permission " + name 6723 + " in package " + pkg.packageName); 6724 continue; 6725 } 6726 6727 final String perm = bp.name; 6728 boolean allowed; 6729 boolean allowedSig = false; 6730 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6731 if (level == PermissionInfo.PROTECTION_NORMAL 6732 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6733 // We grant a normal or dangerous permission if any of the following 6734 // are true: 6735 // 1) The permission is required 6736 // 2) The permission is optional, but was granted in the past 6737 // 3) The permission is optional, but was requested by an 6738 // app in /system (not /data) 6739 // 6740 // Otherwise, reject the permission. 6741 allowed = (required || origPermissions.contains(perm) 6742 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6743 } else if (bp.packageSetting == null) { 6744 // This permission is invalid; skip it. 6745 allowed = false; 6746 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6747 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6748 if (allowed) { 6749 allowedSig = true; 6750 } 6751 } else { 6752 allowed = false; 6753 } 6754 if (DEBUG_INSTALL) { 6755 if (gp != ps) { 6756 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6757 } 6758 } 6759 if (allowed) { 6760 if (!isSystemApp(ps) && ps.permissionsFixed) { 6761 // If this is an existing, non-system package, then 6762 // we can't add any new permissions to it. 6763 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6764 // Except... if this is a permission that was added 6765 // to the platform (note: need to only do this when 6766 // updating the platform). 6767 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6768 } 6769 } 6770 if (allowed) { 6771 if (!gp.grantedPermissions.contains(perm)) { 6772 changedPermission = true; 6773 gp.grantedPermissions.add(perm); 6774 gp.gids = appendInts(gp.gids, bp.gids); 6775 } else if (!ps.haveGids) { 6776 gp.gids = appendInts(gp.gids, bp.gids); 6777 } 6778 } else { 6779 Slog.w(TAG, "Not granting permission " + perm 6780 + " to package " + pkg.packageName 6781 + " because it was previously installed without"); 6782 } 6783 } else { 6784 if (gp.grantedPermissions.remove(perm)) { 6785 changedPermission = true; 6786 gp.gids = removeInts(gp.gids, bp.gids); 6787 Slog.i(TAG, "Un-granting permission " + perm 6788 + " from package " + pkg.packageName 6789 + " (protectionLevel=" + bp.protectionLevel 6790 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6791 + ")"); 6792 } else { 6793 Slog.w(TAG, "Not granting permission " + perm 6794 + " to package " + pkg.packageName 6795 + " (protectionLevel=" + bp.protectionLevel 6796 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6797 + ")"); 6798 } 6799 } 6800 } 6801 6802 if ((changedPermission || replace) && !ps.permissionsFixed && 6803 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6804 // This is the first that we have heard about this package, so the 6805 // permissions we have now selected are fixed until explicitly 6806 // changed. 6807 ps.permissionsFixed = true; 6808 } 6809 ps.haveGids = true; 6810 } 6811 6812 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6813 boolean allowed = false; 6814 final int NP = PackageParser.NEW_PERMISSIONS.length; 6815 for (int ip=0; ip<NP; ip++) { 6816 final PackageParser.NewPermissionInfo npi 6817 = PackageParser.NEW_PERMISSIONS[ip]; 6818 if (npi.name.equals(perm) 6819 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6820 allowed = true; 6821 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6822 + pkg.packageName); 6823 break; 6824 } 6825 } 6826 return allowed; 6827 } 6828 6829 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6830 BasePermission bp, HashSet<String> origPermissions) { 6831 boolean allowed; 6832 allowed = (compareSignatures( 6833 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6834 == PackageManager.SIGNATURE_MATCH) 6835 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6836 == PackageManager.SIGNATURE_MATCH); 6837 if (!allowed && (bp.protectionLevel 6838 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6839 if (isSystemApp(pkg)) { 6840 // For updated system applications, a system permission 6841 // is granted only if it had been defined by the original application. 6842 if (isUpdatedSystemApp(pkg)) { 6843 final PackageSetting sysPs = mSettings 6844 .getDisabledSystemPkgLPr(pkg.packageName); 6845 final GrantedPermissions origGp = sysPs.sharedUser != null 6846 ? sysPs.sharedUser : sysPs; 6847 6848 if (origGp.grantedPermissions.contains(perm)) { 6849 // If the original was granted this permission, we take 6850 // that grant decision as read and propagate it to the 6851 // update. 6852 allowed = true; 6853 } else { 6854 // The system apk may have been updated with an older 6855 // version of the one on the data partition, but which 6856 // granted a new system permission that it didn't have 6857 // before. In this case we do want to allow the app to 6858 // now get the new permission if the ancestral apk is 6859 // privileged to get it. 6860 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6861 for (int j=0; 6862 j<sysPs.pkg.requestedPermissions.size(); j++) { 6863 if (perm.equals( 6864 sysPs.pkg.requestedPermissions.get(j))) { 6865 allowed = true; 6866 break; 6867 } 6868 } 6869 } 6870 } 6871 } else { 6872 allowed = isPrivilegedApp(pkg); 6873 } 6874 } 6875 } 6876 if (!allowed && (bp.protectionLevel 6877 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6878 // For development permissions, a development permission 6879 // is granted only if it was already granted. 6880 allowed = origPermissions.contains(perm); 6881 } 6882 return allowed; 6883 } 6884 6885 final class ActivityIntentResolver 6886 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6887 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6888 boolean defaultOnly, int userId) { 6889 if (!sUserManager.exists(userId)) return null; 6890 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6891 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6892 } 6893 6894 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6895 int userId) { 6896 if (!sUserManager.exists(userId)) return null; 6897 mFlags = flags; 6898 return super.queryIntent(intent, resolvedType, 6899 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6900 } 6901 6902 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6903 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6904 if (!sUserManager.exists(userId)) return null; 6905 if (packageActivities == null) { 6906 return null; 6907 } 6908 mFlags = flags; 6909 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6910 final int N = packageActivities.size(); 6911 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6912 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6913 6914 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6915 for (int i = 0; i < N; ++i) { 6916 intentFilters = packageActivities.get(i).intents; 6917 if (intentFilters != null && intentFilters.size() > 0) { 6918 PackageParser.ActivityIntentInfo[] array = 6919 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6920 intentFilters.toArray(array); 6921 listCut.add(array); 6922 } 6923 } 6924 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6925 } 6926 6927 public final void addActivity(PackageParser.Activity a, String type) { 6928 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6929 mActivities.put(a.getComponentName(), a); 6930 if (DEBUG_SHOW_INFO) 6931 Log.v( 6932 TAG, " " + type + " " + 6933 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6934 if (DEBUG_SHOW_INFO) 6935 Log.v(TAG, " Class=" + a.info.name); 6936 final int NI = a.intents.size(); 6937 for (int j=0; j<NI; j++) { 6938 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6939 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6940 intent.setPriority(0); 6941 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6942 + a.className + " with priority > 0, forcing to 0"); 6943 } 6944 if (DEBUG_SHOW_INFO) { 6945 Log.v(TAG, " IntentFilter:"); 6946 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6947 } 6948 if (!intent.debugCheck()) { 6949 Log.w(TAG, "==> For Activity " + a.info.name); 6950 } 6951 addFilter(intent); 6952 } 6953 } 6954 6955 public final void removeActivity(PackageParser.Activity a, String type) { 6956 mActivities.remove(a.getComponentName()); 6957 if (DEBUG_SHOW_INFO) { 6958 Log.v(TAG, " " + type + " " 6959 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6960 : a.info.name) + ":"); 6961 Log.v(TAG, " Class=" + a.info.name); 6962 } 6963 final int NI = a.intents.size(); 6964 for (int j=0; j<NI; j++) { 6965 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6966 if (DEBUG_SHOW_INFO) { 6967 Log.v(TAG, " IntentFilter:"); 6968 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6969 } 6970 removeFilter(intent); 6971 } 6972 } 6973 6974 @Override 6975 protected boolean allowFilterResult( 6976 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6977 ActivityInfo filterAi = filter.activity.info; 6978 for (int i=dest.size()-1; i>=0; i--) { 6979 ActivityInfo destAi = dest.get(i).activityInfo; 6980 if (destAi.name == filterAi.name 6981 && destAi.packageName == filterAi.packageName) { 6982 return false; 6983 } 6984 } 6985 return true; 6986 } 6987 6988 @Override 6989 protected ActivityIntentInfo[] newArray(int size) { 6990 return new ActivityIntentInfo[size]; 6991 } 6992 6993 @Override 6994 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6995 if (!sUserManager.exists(userId)) return true; 6996 PackageParser.Package p = filter.activity.owner; 6997 if (p != null) { 6998 PackageSetting ps = (PackageSetting)p.mExtras; 6999 if (ps != null) { 7000 // System apps are never considered stopped for purposes of 7001 // filtering, because there may be no way for the user to 7002 // actually re-launch them. 7003 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7004 && ps.getStopped(userId); 7005 } 7006 } 7007 return false; 7008 } 7009 7010 @Override 7011 protected boolean isPackageForFilter(String packageName, 7012 PackageParser.ActivityIntentInfo info) { 7013 return packageName.equals(info.activity.owner.packageName); 7014 } 7015 7016 @Override 7017 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7018 int match, int userId) { 7019 if (!sUserManager.exists(userId)) return null; 7020 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7021 return null; 7022 } 7023 final PackageParser.Activity activity = info.activity; 7024 if (mSafeMode && (activity.info.applicationInfo.flags 7025 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7026 return null; 7027 } 7028 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7029 if (ps == null) { 7030 return null; 7031 } 7032 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7033 ps.readUserState(userId), userId); 7034 if (ai == null) { 7035 return null; 7036 } 7037 final ResolveInfo res = new ResolveInfo(); 7038 res.activityInfo = ai; 7039 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7040 res.filter = info; 7041 } 7042 res.priority = info.getPriority(); 7043 res.preferredOrder = activity.owner.mPreferredOrder; 7044 //System.out.println("Result: " + res.activityInfo.className + 7045 // " = " + res.priority); 7046 res.match = match; 7047 res.isDefault = info.hasDefault; 7048 res.labelRes = info.labelRes; 7049 res.nonLocalizedLabel = info.nonLocalizedLabel; 7050 if (userNeedsBadging(userId)) { 7051 res.noResourceId = true; 7052 } else { 7053 res.icon = info.icon; 7054 } 7055 res.system = isSystemApp(res.activityInfo.applicationInfo); 7056 return res; 7057 } 7058 7059 @Override 7060 protected void sortResults(List<ResolveInfo> results) { 7061 Collections.sort(results, mResolvePrioritySorter); 7062 } 7063 7064 @Override 7065 protected void dumpFilter(PrintWriter out, String prefix, 7066 PackageParser.ActivityIntentInfo filter) { 7067 out.print(prefix); out.print( 7068 Integer.toHexString(System.identityHashCode(filter.activity))); 7069 out.print(' '); 7070 filter.activity.printComponentShortName(out); 7071 out.print(" filter "); 7072 out.println(Integer.toHexString(System.identityHashCode(filter))); 7073 } 7074 7075// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7076// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7077// final List<ResolveInfo> retList = Lists.newArrayList(); 7078// while (i.hasNext()) { 7079// final ResolveInfo resolveInfo = i.next(); 7080// if (isEnabledLP(resolveInfo.activityInfo)) { 7081// retList.add(resolveInfo); 7082// } 7083// } 7084// return retList; 7085// } 7086 7087 // Keys are String (activity class name), values are Activity. 7088 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7089 = new HashMap<ComponentName, PackageParser.Activity>(); 7090 private int mFlags; 7091 } 7092 7093 private final class ServiceIntentResolver 7094 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7095 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7096 boolean defaultOnly, int userId) { 7097 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7098 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7099 } 7100 7101 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7102 int userId) { 7103 if (!sUserManager.exists(userId)) return null; 7104 mFlags = flags; 7105 return super.queryIntent(intent, resolvedType, 7106 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7107 } 7108 7109 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7110 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7111 if (!sUserManager.exists(userId)) return null; 7112 if (packageServices == null) { 7113 return null; 7114 } 7115 mFlags = flags; 7116 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7117 final int N = packageServices.size(); 7118 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7119 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7120 7121 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7122 for (int i = 0; i < N; ++i) { 7123 intentFilters = packageServices.get(i).intents; 7124 if (intentFilters != null && intentFilters.size() > 0) { 7125 PackageParser.ServiceIntentInfo[] array = 7126 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7127 intentFilters.toArray(array); 7128 listCut.add(array); 7129 } 7130 } 7131 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7132 } 7133 7134 public final void addService(PackageParser.Service s) { 7135 mServices.put(s.getComponentName(), s); 7136 if (DEBUG_SHOW_INFO) { 7137 Log.v(TAG, " " 7138 + (s.info.nonLocalizedLabel != null 7139 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7140 Log.v(TAG, " Class=" + s.info.name); 7141 } 7142 final int NI = s.intents.size(); 7143 int j; 7144 for (j=0; j<NI; j++) { 7145 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7146 if (DEBUG_SHOW_INFO) { 7147 Log.v(TAG, " IntentFilter:"); 7148 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7149 } 7150 if (!intent.debugCheck()) { 7151 Log.w(TAG, "==> For Service " + s.info.name); 7152 } 7153 addFilter(intent); 7154 } 7155 } 7156 7157 public final void removeService(PackageParser.Service s) { 7158 mServices.remove(s.getComponentName()); 7159 if (DEBUG_SHOW_INFO) { 7160 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7161 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7162 Log.v(TAG, " Class=" + s.info.name); 7163 } 7164 final int NI = s.intents.size(); 7165 int j; 7166 for (j=0; j<NI; j++) { 7167 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7168 if (DEBUG_SHOW_INFO) { 7169 Log.v(TAG, " IntentFilter:"); 7170 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7171 } 7172 removeFilter(intent); 7173 } 7174 } 7175 7176 @Override 7177 protected boolean allowFilterResult( 7178 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7179 ServiceInfo filterSi = filter.service.info; 7180 for (int i=dest.size()-1; i>=0; i--) { 7181 ServiceInfo destAi = dest.get(i).serviceInfo; 7182 if (destAi.name == filterSi.name 7183 && destAi.packageName == filterSi.packageName) { 7184 return false; 7185 } 7186 } 7187 return true; 7188 } 7189 7190 @Override 7191 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7192 return new PackageParser.ServiceIntentInfo[size]; 7193 } 7194 7195 @Override 7196 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7197 if (!sUserManager.exists(userId)) return true; 7198 PackageParser.Package p = filter.service.owner; 7199 if (p != null) { 7200 PackageSetting ps = (PackageSetting)p.mExtras; 7201 if (ps != null) { 7202 // System apps are never considered stopped for purposes of 7203 // filtering, because there may be no way for the user to 7204 // actually re-launch them. 7205 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7206 && ps.getStopped(userId); 7207 } 7208 } 7209 return false; 7210 } 7211 7212 @Override 7213 protected boolean isPackageForFilter(String packageName, 7214 PackageParser.ServiceIntentInfo info) { 7215 return packageName.equals(info.service.owner.packageName); 7216 } 7217 7218 @Override 7219 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7220 int match, int userId) { 7221 if (!sUserManager.exists(userId)) return null; 7222 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7223 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7224 return null; 7225 } 7226 final PackageParser.Service service = info.service; 7227 if (mSafeMode && (service.info.applicationInfo.flags 7228 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7229 return null; 7230 } 7231 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7232 if (ps == null) { 7233 return null; 7234 } 7235 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7236 ps.readUserState(userId), userId); 7237 if (si == null) { 7238 return null; 7239 } 7240 final ResolveInfo res = new ResolveInfo(); 7241 res.serviceInfo = si; 7242 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7243 res.filter = filter; 7244 } 7245 res.priority = info.getPriority(); 7246 res.preferredOrder = service.owner.mPreferredOrder; 7247 //System.out.println("Result: " + res.activityInfo.className + 7248 // " = " + res.priority); 7249 res.match = match; 7250 res.isDefault = info.hasDefault; 7251 res.labelRes = info.labelRes; 7252 res.nonLocalizedLabel = info.nonLocalizedLabel; 7253 res.icon = info.icon; 7254 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7255 return res; 7256 } 7257 7258 @Override 7259 protected void sortResults(List<ResolveInfo> results) { 7260 Collections.sort(results, mResolvePrioritySorter); 7261 } 7262 7263 @Override 7264 protected void dumpFilter(PrintWriter out, String prefix, 7265 PackageParser.ServiceIntentInfo filter) { 7266 out.print(prefix); out.print( 7267 Integer.toHexString(System.identityHashCode(filter.service))); 7268 out.print(' '); 7269 filter.service.printComponentShortName(out); 7270 out.print(" filter "); 7271 out.println(Integer.toHexString(System.identityHashCode(filter))); 7272 } 7273 7274// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7275// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7276// final List<ResolveInfo> retList = Lists.newArrayList(); 7277// while (i.hasNext()) { 7278// final ResolveInfo resolveInfo = (ResolveInfo) i; 7279// if (isEnabledLP(resolveInfo.serviceInfo)) { 7280// retList.add(resolveInfo); 7281// } 7282// } 7283// return retList; 7284// } 7285 7286 // Keys are String (activity class name), values are Activity. 7287 private final HashMap<ComponentName, PackageParser.Service> mServices 7288 = new HashMap<ComponentName, PackageParser.Service>(); 7289 private int mFlags; 7290 }; 7291 7292 private final class ProviderIntentResolver 7293 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7294 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7295 boolean defaultOnly, int userId) { 7296 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7297 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7298 } 7299 7300 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7301 int userId) { 7302 if (!sUserManager.exists(userId)) 7303 return null; 7304 mFlags = flags; 7305 return super.queryIntent(intent, resolvedType, 7306 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7307 } 7308 7309 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7310 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7311 if (!sUserManager.exists(userId)) 7312 return null; 7313 if (packageProviders == null) { 7314 return null; 7315 } 7316 mFlags = flags; 7317 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7318 final int N = packageProviders.size(); 7319 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7320 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7321 7322 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7323 for (int i = 0; i < N; ++i) { 7324 intentFilters = packageProviders.get(i).intents; 7325 if (intentFilters != null && intentFilters.size() > 0) { 7326 PackageParser.ProviderIntentInfo[] array = 7327 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7328 intentFilters.toArray(array); 7329 listCut.add(array); 7330 } 7331 } 7332 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7333 } 7334 7335 public final void addProvider(PackageParser.Provider p) { 7336 if (mProviders.containsKey(p.getComponentName())) { 7337 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7338 return; 7339 } 7340 7341 mProviders.put(p.getComponentName(), p); 7342 if (DEBUG_SHOW_INFO) { 7343 Log.v(TAG, " " 7344 + (p.info.nonLocalizedLabel != null 7345 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7346 Log.v(TAG, " Class=" + p.info.name); 7347 } 7348 final int NI = p.intents.size(); 7349 int j; 7350 for (j = 0; j < NI; j++) { 7351 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7352 if (DEBUG_SHOW_INFO) { 7353 Log.v(TAG, " IntentFilter:"); 7354 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7355 } 7356 if (!intent.debugCheck()) { 7357 Log.w(TAG, "==> For Provider " + p.info.name); 7358 } 7359 addFilter(intent); 7360 } 7361 } 7362 7363 public final void removeProvider(PackageParser.Provider p) { 7364 mProviders.remove(p.getComponentName()); 7365 if (DEBUG_SHOW_INFO) { 7366 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7367 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7368 Log.v(TAG, " Class=" + p.info.name); 7369 } 7370 final int NI = p.intents.size(); 7371 int j; 7372 for (j = 0; j < NI; j++) { 7373 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7374 if (DEBUG_SHOW_INFO) { 7375 Log.v(TAG, " IntentFilter:"); 7376 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7377 } 7378 removeFilter(intent); 7379 } 7380 } 7381 7382 @Override 7383 protected boolean allowFilterResult( 7384 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7385 ProviderInfo filterPi = filter.provider.info; 7386 for (int i = dest.size() - 1; i >= 0; i--) { 7387 ProviderInfo destPi = dest.get(i).providerInfo; 7388 if (destPi.name == filterPi.name 7389 && destPi.packageName == filterPi.packageName) { 7390 return false; 7391 } 7392 } 7393 return true; 7394 } 7395 7396 @Override 7397 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7398 return new PackageParser.ProviderIntentInfo[size]; 7399 } 7400 7401 @Override 7402 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7403 if (!sUserManager.exists(userId)) 7404 return true; 7405 PackageParser.Package p = filter.provider.owner; 7406 if (p != null) { 7407 PackageSetting ps = (PackageSetting) p.mExtras; 7408 if (ps != null) { 7409 // System apps are never considered stopped for purposes of 7410 // filtering, because there may be no way for the user to 7411 // actually re-launch them. 7412 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7413 && ps.getStopped(userId); 7414 } 7415 } 7416 return false; 7417 } 7418 7419 @Override 7420 protected boolean isPackageForFilter(String packageName, 7421 PackageParser.ProviderIntentInfo info) { 7422 return packageName.equals(info.provider.owner.packageName); 7423 } 7424 7425 @Override 7426 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7427 int match, int userId) { 7428 if (!sUserManager.exists(userId)) 7429 return null; 7430 final PackageParser.ProviderIntentInfo info = filter; 7431 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7432 return null; 7433 } 7434 final PackageParser.Provider provider = info.provider; 7435 if (mSafeMode && (provider.info.applicationInfo.flags 7436 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7437 return null; 7438 } 7439 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7440 if (ps == null) { 7441 return null; 7442 } 7443 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7444 ps.readUserState(userId), userId); 7445 if (pi == null) { 7446 return null; 7447 } 7448 final ResolveInfo res = new ResolveInfo(); 7449 res.providerInfo = pi; 7450 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7451 res.filter = filter; 7452 } 7453 res.priority = info.getPriority(); 7454 res.preferredOrder = provider.owner.mPreferredOrder; 7455 res.match = match; 7456 res.isDefault = info.hasDefault; 7457 res.labelRes = info.labelRes; 7458 res.nonLocalizedLabel = info.nonLocalizedLabel; 7459 res.icon = info.icon; 7460 res.system = isSystemApp(res.providerInfo.applicationInfo); 7461 return res; 7462 } 7463 7464 @Override 7465 protected void sortResults(List<ResolveInfo> results) { 7466 Collections.sort(results, mResolvePrioritySorter); 7467 } 7468 7469 @Override 7470 protected void dumpFilter(PrintWriter out, String prefix, 7471 PackageParser.ProviderIntentInfo filter) { 7472 out.print(prefix); 7473 out.print( 7474 Integer.toHexString(System.identityHashCode(filter.provider))); 7475 out.print(' '); 7476 filter.provider.printComponentShortName(out); 7477 out.print(" filter "); 7478 out.println(Integer.toHexString(System.identityHashCode(filter))); 7479 } 7480 7481 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7482 = new HashMap<ComponentName, PackageParser.Provider>(); 7483 private int mFlags; 7484 }; 7485 7486 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7487 new Comparator<ResolveInfo>() { 7488 public int compare(ResolveInfo r1, ResolveInfo r2) { 7489 int v1 = r1.priority; 7490 int v2 = r2.priority; 7491 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7492 if (v1 != v2) { 7493 return (v1 > v2) ? -1 : 1; 7494 } 7495 v1 = r1.preferredOrder; 7496 v2 = r2.preferredOrder; 7497 if (v1 != v2) { 7498 return (v1 > v2) ? -1 : 1; 7499 } 7500 if (r1.isDefault != r2.isDefault) { 7501 return r1.isDefault ? -1 : 1; 7502 } 7503 v1 = r1.match; 7504 v2 = r2.match; 7505 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7506 if (v1 != v2) { 7507 return (v1 > v2) ? -1 : 1; 7508 } 7509 if (r1.system != r2.system) { 7510 return r1.system ? -1 : 1; 7511 } 7512 return 0; 7513 } 7514 }; 7515 7516 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7517 new Comparator<ProviderInfo>() { 7518 public int compare(ProviderInfo p1, ProviderInfo p2) { 7519 final int v1 = p1.initOrder; 7520 final int v2 = p2.initOrder; 7521 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7522 } 7523 }; 7524 7525 static final void sendPackageBroadcast(String action, String pkg, 7526 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7527 int[] userIds) { 7528 IActivityManager am = ActivityManagerNative.getDefault(); 7529 if (am != null) { 7530 try { 7531 if (userIds == null) { 7532 userIds = am.getRunningUserIds(); 7533 } 7534 for (int id : userIds) { 7535 final Intent intent = new Intent(action, 7536 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7537 if (extras != null) { 7538 intent.putExtras(extras); 7539 } 7540 if (targetPkg != null) { 7541 intent.setPackage(targetPkg); 7542 } 7543 // Modify the UID when posting to other users 7544 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7545 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7546 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7547 intent.putExtra(Intent.EXTRA_UID, uid); 7548 } 7549 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7550 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7551 if (DEBUG_BROADCASTS) { 7552 RuntimeException here = new RuntimeException("here"); 7553 here.fillInStackTrace(); 7554 Slog.d(TAG, "Sending to user " + id + ": " 7555 + intent.toShortString(false, true, false, false) 7556 + " " + intent.getExtras(), here); 7557 } 7558 am.broadcastIntent(null, intent, null, finishedReceiver, 7559 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7560 finishedReceiver != null, false, id); 7561 } 7562 } catch (RemoteException ex) { 7563 } 7564 } 7565 } 7566 7567 /** 7568 * Check if the external storage media is available. This is true if there 7569 * is a mounted external storage medium or if the external storage is 7570 * emulated. 7571 */ 7572 private boolean isExternalMediaAvailable() { 7573 return mMediaMounted || Environment.isExternalStorageEmulated(); 7574 } 7575 7576 @Override 7577 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7578 // writer 7579 synchronized (mPackages) { 7580 if (!isExternalMediaAvailable()) { 7581 // If the external storage is no longer mounted at this point, 7582 // the caller may not have been able to delete all of this 7583 // packages files and can not delete any more. Bail. 7584 return null; 7585 } 7586 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7587 if (lastPackage != null) { 7588 pkgs.remove(lastPackage); 7589 } 7590 if (pkgs.size() > 0) { 7591 return pkgs.get(0); 7592 } 7593 } 7594 return null; 7595 } 7596 7597 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7598 if (false) { 7599 RuntimeException here = new RuntimeException("here"); 7600 here.fillInStackTrace(); 7601 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7602 + " andCode=" + andCode, here); 7603 } 7604 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7605 userId, andCode ? 1 : 0, packageName)); 7606 } 7607 7608 void startCleaningPackages() { 7609 // reader 7610 synchronized (mPackages) { 7611 if (!isExternalMediaAvailable()) { 7612 return; 7613 } 7614 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7615 return; 7616 } 7617 } 7618 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7619 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7620 IActivityManager am = ActivityManagerNative.getDefault(); 7621 if (am != null) { 7622 try { 7623 am.startService(null, intent, null, UserHandle.USER_OWNER); 7624 } catch (RemoteException e) { 7625 } 7626 } 7627 } 7628 7629 private final class AppDirObserver extends FileObserver { 7630 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7631 super(path, mask); 7632 mRootDir = path; 7633 mIsRom = isrom; 7634 mIsPrivileged = isPrivileged; 7635 } 7636 7637 public void onEvent(int event, String path) { 7638 String removedPackage = null; 7639 int removedAppId = -1; 7640 int[] removedUsers = null; 7641 String addedPackage = null; 7642 int addedAppId = -1; 7643 int[] addedUsers = null; 7644 7645 // TODO post a message to the handler to obtain serial ordering 7646 synchronized (mInstallLock) { 7647 String fullPathStr = null; 7648 File fullPath = null; 7649 if (path != null) { 7650 fullPath = new File(mRootDir, path); 7651 fullPathStr = fullPath.getPath(); 7652 } 7653 7654 if (DEBUG_APP_DIR_OBSERVER) 7655 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7656 7657 if (!isApkFile(fullPath)) { 7658 if (DEBUG_APP_DIR_OBSERVER) 7659 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7660 return; 7661 } 7662 7663 // Ignore packages that are being installed or 7664 // have just been installed. 7665 if (ignoreCodePath(fullPathStr)) { 7666 return; 7667 } 7668 PackageParser.Package p = null; 7669 PackageSetting ps = null; 7670 // reader 7671 synchronized (mPackages) { 7672 p = mAppDirs.get(fullPathStr); 7673 if (p != null) { 7674 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7675 if (ps != null) { 7676 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7677 } else { 7678 removedUsers = sUserManager.getUserIds(); 7679 } 7680 } 7681 addedUsers = sUserManager.getUserIds(); 7682 } 7683 if ((event&REMOVE_EVENTS) != 0) { 7684 if (ps != null) { 7685 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7686 removePackageLI(ps, true); 7687 removedPackage = ps.name; 7688 removedAppId = ps.appId; 7689 } 7690 } 7691 7692 if ((event&ADD_EVENTS) != 0) { 7693 if (p == null) { 7694 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7695 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7696 if (mIsRom) { 7697 flags |= PackageParser.PARSE_IS_SYSTEM 7698 | PackageParser.PARSE_IS_SYSTEM_DIR; 7699 if (mIsPrivileged) { 7700 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7701 } 7702 } 7703 try { 7704 p = scanPackageLI(fullPath, flags, 7705 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7706 System.currentTimeMillis(), UserHandle.ALL, null); 7707 } catch (PackageManagerException e) { 7708 Slog.w(TAG, "Failed to scan " + fullPath + ": " + e.getMessage()); 7709 p = null; 7710 } 7711 if (p != null) { 7712 /* 7713 * TODO this seems dangerous as the package may have 7714 * changed since we last acquired the mPackages 7715 * lock. 7716 */ 7717 // writer 7718 synchronized (mPackages) { 7719 updatePermissionsLPw(p.packageName, p, 7720 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7721 } 7722 addedPackage = p.applicationInfo.packageName; 7723 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7724 } 7725 } 7726 } 7727 7728 // reader 7729 synchronized (mPackages) { 7730 mSettings.writeLPr(); 7731 } 7732 } 7733 7734 if (removedPackage != null) { 7735 Bundle extras = new Bundle(1); 7736 extras.putInt(Intent.EXTRA_UID, removedAppId); 7737 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7738 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7739 extras, null, null, removedUsers); 7740 } 7741 if (addedPackage != null) { 7742 Bundle extras = new Bundle(1); 7743 extras.putInt(Intent.EXTRA_UID, addedAppId); 7744 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7745 extras, null, null, addedUsers); 7746 } 7747 } 7748 7749 private final String mRootDir; 7750 private final boolean mIsRom; 7751 private final boolean mIsPrivileged; 7752 } 7753 7754 @Override 7755 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7756 String installerPackageName, VerificationParams verificationParams, 7757 String packageAbiOverride) { 7758 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7759 null); 7760 7761 final File originFile = new File(originPath); 7762 final int uid = Binder.getCallingUid(); 7763 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7764 try { 7765 if (observer != null) { 7766 observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED, null); 7767 } 7768 } catch (RemoteException re) { 7769 } 7770 return; 7771 } 7772 7773 UserHandle user; 7774 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7775 user = UserHandle.ALL; 7776 } else { 7777 user = new UserHandle(UserHandle.getUserId(uid)); 7778 } 7779 7780 final int filteredFlags; 7781 if (uid == Process.SHELL_UID || uid == 0) { 7782 if (DEBUG_INSTALL) { 7783 Slog.v(TAG, "Install from ADB"); 7784 } 7785 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7786 } else { 7787 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7788 } 7789 7790 verificationParams.setInstallerUid(uid); 7791 7792 final Message msg = mHandler.obtainMessage(INIT_COPY); 7793 msg.obj = new InstallParams(originFile, false, observer, filteredFlags, 7794 installerPackageName, verificationParams, user, packageAbiOverride); 7795 mHandler.sendMessage(msg); 7796 } 7797 7798 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer, 7799 InstallSessionParams params, String installerPackageName, int installerUid, 7800 UserHandle user) { 7801 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7802 params.referrerUri, installerUid, null); 7803 7804 final Message msg = mHandler.obtainMessage(INIT_COPY); 7805 msg.obj = new InstallParams(stageDir, true, observer, params.installFlags, 7806 installerPackageName, verifParams, user, params.abiOverride); 7807 mHandler.sendMessage(msg); 7808 } 7809 7810 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7811 Bundle extras = new Bundle(1); 7812 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7813 7814 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7815 packageName, extras, null, null, new int[] {userId}); 7816 try { 7817 IActivityManager am = ActivityManagerNative.getDefault(); 7818 final boolean isSystem = 7819 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7820 if (isSystem && am.isUserRunning(userId, false)) { 7821 // The just-installed/enabled app is bundled on the system, so presumed 7822 // to be able to run automatically without needing an explicit launch. 7823 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7824 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7825 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7826 .setPackage(packageName); 7827 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7828 android.app.AppOpsManager.OP_NONE, false, false, userId); 7829 } 7830 } catch (RemoteException e) { 7831 // shouldn't happen 7832 Slog.w(TAG, "Unable to bootstrap installed package", e); 7833 } 7834 } 7835 7836 @Override 7837 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7838 int userId) { 7839 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7840 PackageSetting pkgSetting; 7841 final int uid = Binder.getCallingUid(); 7842 if (UserHandle.getUserId(uid) != userId) { 7843 mContext.enforceCallingOrSelfPermission( 7844 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7845 "setApplicationBlockedSetting for user " + userId); 7846 } 7847 7848 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7849 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7850 return false; 7851 } 7852 7853 long callingId = Binder.clearCallingIdentity(); 7854 try { 7855 boolean sendAdded = false; 7856 boolean sendRemoved = false; 7857 // writer 7858 synchronized (mPackages) { 7859 pkgSetting = mSettings.mPackages.get(packageName); 7860 if (pkgSetting == null) { 7861 return false; 7862 } 7863 if (pkgSetting.getBlocked(userId) != blocked) { 7864 pkgSetting.setBlocked(blocked, userId); 7865 mSettings.writePackageRestrictionsLPr(userId); 7866 if (blocked) { 7867 sendRemoved = true; 7868 } else { 7869 sendAdded = true; 7870 } 7871 } 7872 } 7873 if (sendAdded) { 7874 sendPackageAddedForUser(packageName, pkgSetting, userId); 7875 return true; 7876 } 7877 if (sendRemoved) { 7878 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7879 "blocking pkg"); 7880 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7881 } 7882 } finally { 7883 Binder.restoreCallingIdentity(callingId); 7884 } 7885 return false; 7886 } 7887 7888 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7889 int userId) { 7890 final PackageRemovedInfo info = new PackageRemovedInfo(); 7891 info.removedPackage = packageName; 7892 info.removedUsers = new int[] {userId}; 7893 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7894 info.sendBroadcast(false, false, false); 7895 } 7896 7897 /** 7898 * Returns true if application is not found or there was an error. Otherwise it returns 7899 * the blocked state of the package for the given user. 7900 */ 7901 @Override 7902 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7903 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7904 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7905 "getApplicationBlocked for user " + userId); 7906 PackageSetting pkgSetting; 7907 long callingId = Binder.clearCallingIdentity(); 7908 try { 7909 // writer 7910 synchronized (mPackages) { 7911 pkgSetting = mSettings.mPackages.get(packageName); 7912 if (pkgSetting == null) { 7913 return true; 7914 } 7915 return pkgSetting.getBlocked(userId); 7916 } 7917 } finally { 7918 Binder.restoreCallingIdentity(callingId); 7919 } 7920 } 7921 7922 /** 7923 * @hide 7924 */ 7925 @Override 7926 public int installExistingPackageAsUser(String packageName, int userId) { 7927 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7928 null); 7929 PackageSetting pkgSetting; 7930 final int uid = Binder.getCallingUid(); 7931 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7932 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7933 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7934 } 7935 7936 long callingId = Binder.clearCallingIdentity(); 7937 try { 7938 boolean sendAdded = false; 7939 Bundle extras = new Bundle(1); 7940 7941 // writer 7942 synchronized (mPackages) { 7943 pkgSetting = mSettings.mPackages.get(packageName); 7944 if (pkgSetting == null) { 7945 return PackageManager.INSTALL_FAILED_INVALID_URI; 7946 } 7947 if (!pkgSetting.getInstalled(userId)) { 7948 pkgSetting.setInstalled(true, userId); 7949 pkgSetting.setBlocked(false, userId); 7950 mSettings.writePackageRestrictionsLPr(userId); 7951 sendAdded = true; 7952 } 7953 } 7954 7955 if (sendAdded) { 7956 sendPackageAddedForUser(packageName, pkgSetting, userId); 7957 } 7958 } finally { 7959 Binder.restoreCallingIdentity(callingId); 7960 } 7961 7962 return PackageManager.INSTALL_SUCCEEDED; 7963 } 7964 7965 boolean isUserRestricted(int userId, String restrictionKey) { 7966 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7967 if (restrictions.getBoolean(restrictionKey, false)) { 7968 Log.w(TAG, "User is restricted: " + restrictionKey); 7969 return true; 7970 } 7971 return false; 7972 } 7973 7974 @Override 7975 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7976 mContext.enforceCallingOrSelfPermission( 7977 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7978 "Only package verification agents can verify applications"); 7979 7980 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7981 final PackageVerificationResponse response = new PackageVerificationResponse( 7982 verificationCode, Binder.getCallingUid()); 7983 msg.arg1 = id; 7984 msg.obj = response; 7985 mHandler.sendMessage(msg); 7986 } 7987 7988 @Override 7989 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7990 long millisecondsToDelay) { 7991 mContext.enforceCallingOrSelfPermission( 7992 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7993 "Only package verification agents can extend verification timeouts"); 7994 7995 final PackageVerificationState state = mPendingVerification.get(id); 7996 final PackageVerificationResponse response = new PackageVerificationResponse( 7997 verificationCodeAtTimeout, Binder.getCallingUid()); 7998 7999 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8000 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8001 } 8002 if (millisecondsToDelay < 0) { 8003 millisecondsToDelay = 0; 8004 } 8005 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8006 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8007 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8008 } 8009 8010 if ((state != null) && !state.timeoutExtended()) { 8011 state.extendTimeout(); 8012 8013 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8014 msg.arg1 = id; 8015 msg.obj = response; 8016 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8017 } 8018 } 8019 8020 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8021 int verificationCode, UserHandle user) { 8022 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8023 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8024 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8025 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8026 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8027 8028 mContext.sendBroadcastAsUser(intent, user, 8029 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8030 } 8031 8032 private ComponentName matchComponentForVerifier(String packageName, 8033 List<ResolveInfo> receivers) { 8034 ActivityInfo targetReceiver = null; 8035 8036 final int NR = receivers.size(); 8037 for (int i = 0; i < NR; i++) { 8038 final ResolveInfo info = receivers.get(i); 8039 if (info.activityInfo == null) { 8040 continue; 8041 } 8042 8043 if (packageName.equals(info.activityInfo.packageName)) { 8044 targetReceiver = info.activityInfo; 8045 break; 8046 } 8047 } 8048 8049 if (targetReceiver == null) { 8050 return null; 8051 } 8052 8053 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8054 } 8055 8056 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8057 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8058 if (pkgInfo.verifiers.length == 0) { 8059 return null; 8060 } 8061 8062 final int N = pkgInfo.verifiers.length; 8063 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8064 for (int i = 0; i < N; i++) { 8065 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8066 8067 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8068 receivers); 8069 if (comp == null) { 8070 continue; 8071 } 8072 8073 final int verifierUid = getUidForVerifier(verifierInfo); 8074 if (verifierUid == -1) { 8075 continue; 8076 } 8077 8078 if (DEBUG_VERIFY) { 8079 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8080 + " with the correct signature"); 8081 } 8082 sufficientVerifiers.add(comp); 8083 verificationState.addSufficientVerifier(verifierUid); 8084 } 8085 8086 return sufficientVerifiers; 8087 } 8088 8089 private int getUidForVerifier(VerifierInfo verifierInfo) { 8090 synchronized (mPackages) { 8091 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8092 if (pkg == null) { 8093 return -1; 8094 } else if (pkg.mSignatures.length != 1) { 8095 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8096 + " has more than one signature; ignoring"); 8097 return -1; 8098 } 8099 8100 /* 8101 * If the public key of the package's signature does not match 8102 * our expected public key, then this is a different package and 8103 * we should skip. 8104 */ 8105 8106 final byte[] expectedPublicKey; 8107 try { 8108 final Signature verifierSig = pkg.mSignatures[0]; 8109 final PublicKey publicKey = verifierSig.getPublicKey(); 8110 expectedPublicKey = publicKey.getEncoded(); 8111 } catch (CertificateException e) { 8112 return -1; 8113 } 8114 8115 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8116 8117 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8118 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8119 + " does not have the expected public key; ignoring"); 8120 return -1; 8121 } 8122 8123 return pkg.applicationInfo.uid; 8124 } 8125 } 8126 8127 @Override 8128 public void finishPackageInstall(int token) { 8129 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8130 8131 if (DEBUG_INSTALL) { 8132 Slog.v(TAG, "BM finishing package install for " + token); 8133 } 8134 8135 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8136 mHandler.sendMessage(msg); 8137 } 8138 8139 /** 8140 * Get the verification agent timeout. 8141 * 8142 * @return verification timeout in milliseconds 8143 */ 8144 private long getVerificationTimeout() { 8145 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8146 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8147 DEFAULT_VERIFICATION_TIMEOUT); 8148 } 8149 8150 /** 8151 * Get the default verification agent response code. 8152 * 8153 * @return default verification response code 8154 */ 8155 private int getDefaultVerificationResponse() { 8156 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8157 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8158 DEFAULT_VERIFICATION_RESPONSE); 8159 } 8160 8161 /** 8162 * Check whether or not package verification has been enabled. 8163 * 8164 * @return true if verification should be performed 8165 */ 8166 private boolean isVerificationEnabled(int userId, int flags) { 8167 if (!DEFAULT_VERIFY_ENABLE) { 8168 return false; 8169 } 8170 8171 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8172 8173 // Check if installing from ADB 8174 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8175 // Do not run verification in a test harness environment 8176 if (ActivityManager.isRunningInTestHarness()) { 8177 return false; 8178 } 8179 if (ensureVerifyAppsEnabled) { 8180 return true; 8181 } 8182 // Check if the developer does not want package verification for ADB installs 8183 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8184 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8185 return false; 8186 } 8187 } 8188 8189 if (ensureVerifyAppsEnabled) { 8190 return true; 8191 } 8192 8193 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8194 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8195 } 8196 8197 /** 8198 * Get the "allow unknown sources" setting. 8199 * 8200 * @return the current "allow unknown sources" setting 8201 */ 8202 private int getUnknownSourcesSettings() { 8203 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8204 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8205 -1); 8206 } 8207 8208 @Override 8209 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8210 final int uid = Binder.getCallingUid(); 8211 // writer 8212 synchronized (mPackages) { 8213 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8214 if (targetPackageSetting == null) { 8215 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8216 } 8217 8218 PackageSetting installerPackageSetting; 8219 if (installerPackageName != null) { 8220 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8221 if (installerPackageSetting == null) { 8222 throw new IllegalArgumentException("Unknown installer package: " 8223 + installerPackageName); 8224 } 8225 } else { 8226 installerPackageSetting = null; 8227 } 8228 8229 Signature[] callerSignature; 8230 Object obj = mSettings.getUserIdLPr(uid); 8231 if (obj != null) { 8232 if (obj instanceof SharedUserSetting) { 8233 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8234 } else if (obj instanceof PackageSetting) { 8235 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8236 } else { 8237 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8238 } 8239 } else { 8240 throw new SecurityException("Unknown calling uid " + uid); 8241 } 8242 8243 // Verify: can't set installerPackageName to a package that is 8244 // not signed with the same cert as the caller. 8245 if (installerPackageSetting != null) { 8246 if (compareSignatures(callerSignature, 8247 installerPackageSetting.signatures.mSignatures) 8248 != PackageManager.SIGNATURE_MATCH) { 8249 throw new SecurityException( 8250 "Caller does not have same cert as new installer package " 8251 + installerPackageName); 8252 } 8253 } 8254 8255 // Verify: if target already has an installer package, it must 8256 // be signed with the same cert as the caller. 8257 if (targetPackageSetting.installerPackageName != null) { 8258 PackageSetting setting = mSettings.mPackages.get( 8259 targetPackageSetting.installerPackageName); 8260 // If the currently set package isn't valid, then it's always 8261 // okay to change it. 8262 if (setting != null) { 8263 if (compareSignatures(callerSignature, 8264 setting.signatures.mSignatures) 8265 != PackageManager.SIGNATURE_MATCH) { 8266 throw new SecurityException( 8267 "Caller does not have same cert as old installer package " 8268 + targetPackageSetting.installerPackageName); 8269 } 8270 } 8271 } 8272 8273 // Okay! 8274 targetPackageSetting.installerPackageName = installerPackageName; 8275 scheduleWriteSettingsLocked(); 8276 } 8277 } 8278 8279 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8280 // Queue up an async operation since the package installation may take a little while. 8281 mHandler.post(new Runnable() { 8282 public void run() { 8283 mHandler.removeCallbacks(this); 8284 // Result object to be returned 8285 PackageInstalledInfo res = new PackageInstalledInfo(); 8286 res.returnCode = currentStatus; 8287 res.uid = -1; 8288 res.pkg = null; 8289 res.removedInfo = new PackageRemovedInfo(); 8290 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8291 args.doPreInstall(res.returnCode); 8292 synchronized (mInstallLock) { 8293 installPackageLI(args, true, res); 8294 } 8295 args.doPostInstall(res.returnCode, res.uid); 8296 } 8297 8298 // A restore should be performed at this point if (a) the install 8299 // succeeded, (b) the operation is not an update, and (c) the new 8300 // package has a backupAgent defined. 8301 final boolean update = res.removedInfo.removedPackage != null; 8302 boolean doRestore = (!update 8303 && res.pkg != null 8304 && res.pkg.applicationInfo.backupAgentName != null); 8305 8306 // Set up the post-install work request bookkeeping. This will be used 8307 // and cleaned up by the post-install event handling regardless of whether 8308 // there's a restore pass performed. Token values are >= 1. 8309 int token; 8310 if (mNextInstallToken < 0) mNextInstallToken = 1; 8311 token = mNextInstallToken++; 8312 8313 PostInstallData data = new PostInstallData(args, res); 8314 mRunningInstalls.put(token, data); 8315 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8316 8317 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8318 // Pass responsibility to the Backup Manager. It will perform a 8319 // restore if appropriate, then pass responsibility back to the 8320 // Package Manager to run the post-install observer callbacks 8321 // and broadcasts. 8322 IBackupManager bm = IBackupManager.Stub.asInterface( 8323 ServiceManager.getService(Context.BACKUP_SERVICE)); 8324 if (bm != null) { 8325 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8326 + " to BM for possible restore"); 8327 try { 8328 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8329 } catch (RemoteException e) { 8330 // can't happen; the backup manager is local 8331 } catch (Exception e) { 8332 Slog.e(TAG, "Exception trying to enqueue restore", e); 8333 doRestore = false; 8334 } 8335 } else { 8336 Slog.e(TAG, "Backup Manager not found!"); 8337 doRestore = false; 8338 } 8339 } 8340 8341 if (!doRestore) { 8342 // No restore possible, or the Backup Manager was mysteriously not 8343 // available -- just fire the post-install work request directly. 8344 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8345 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8346 mHandler.sendMessage(msg); 8347 } 8348 } 8349 }); 8350 } 8351 8352 private abstract class HandlerParams { 8353 private static final int MAX_RETRIES = 4; 8354 8355 /** 8356 * Number of times startCopy() has been attempted and had a non-fatal 8357 * error. 8358 */ 8359 private int mRetries = 0; 8360 8361 /** User handle for the user requesting the information or installation. */ 8362 private final UserHandle mUser; 8363 8364 HandlerParams(UserHandle user) { 8365 mUser = user; 8366 } 8367 8368 UserHandle getUser() { 8369 return mUser; 8370 } 8371 8372 final boolean startCopy() { 8373 boolean res; 8374 try { 8375 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8376 8377 if (++mRetries > MAX_RETRIES) { 8378 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8379 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8380 handleServiceError(); 8381 return false; 8382 } else { 8383 handleStartCopy(); 8384 res = true; 8385 } 8386 } catch (RemoteException e) { 8387 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8388 mHandler.sendEmptyMessage(MCS_RECONNECT); 8389 res = false; 8390 } 8391 handleReturnCode(); 8392 return res; 8393 } 8394 8395 final void serviceError() { 8396 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8397 handleServiceError(); 8398 handleReturnCode(); 8399 } 8400 8401 abstract void handleStartCopy() throws RemoteException; 8402 abstract void handleServiceError(); 8403 abstract void handleReturnCode(); 8404 } 8405 8406 class MeasureParams extends HandlerParams { 8407 private final PackageStats mStats; 8408 private boolean mSuccess; 8409 8410 private final IPackageStatsObserver mObserver; 8411 8412 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8413 super(new UserHandle(stats.userHandle)); 8414 mObserver = observer; 8415 mStats = stats; 8416 } 8417 8418 @Override 8419 public String toString() { 8420 return "MeasureParams{" 8421 + Integer.toHexString(System.identityHashCode(this)) 8422 + " " + mStats.packageName + "}"; 8423 } 8424 8425 @Override 8426 void handleStartCopy() throws RemoteException { 8427 synchronized (mInstallLock) { 8428 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8429 } 8430 8431 if (mSuccess) { 8432 final boolean mounted; 8433 if (Environment.isExternalStorageEmulated()) { 8434 mounted = true; 8435 } else { 8436 final String status = Environment.getExternalStorageState(); 8437 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8438 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8439 } 8440 8441 if (mounted) { 8442 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8443 8444 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8445 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8446 8447 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8448 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8449 8450 // Always subtract cache size, since it's a subdirectory 8451 mStats.externalDataSize -= mStats.externalCacheSize; 8452 8453 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8454 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8455 8456 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8457 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8458 } 8459 } 8460 } 8461 8462 @Override 8463 void handleReturnCode() { 8464 if (mObserver != null) { 8465 try { 8466 mObserver.onGetStatsCompleted(mStats, mSuccess); 8467 } catch (RemoteException e) { 8468 Slog.i(TAG, "Observer no longer exists."); 8469 } 8470 } 8471 } 8472 8473 @Override 8474 void handleServiceError() { 8475 Slog.e(TAG, "Could not measure application " + mStats.packageName 8476 + " external storage"); 8477 } 8478 } 8479 8480 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8481 throws RemoteException { 8482 long result = 0; 8483 for (File path : paths) { 8484 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8485 } 8486 return result; 8487 } 8488 8489 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8490 for (File path : paths) { 8491 try { 8492 mcs.clearDirectory(path.getAbsolutePath()); 8493 } catch (RemoteException e) { 8494 } 8495 } 8496 } 8497 8498 class InstallParams extends HandlerParams { 8499 /** 8500 * Location where install is coming from, before it has been 8501 * copied/renamed into place. This could be a single monolithic APK 8502 * file, or a cluster directory. This location may be untrusted. 8503 */ 8504 final File originFile; 8505 8506 /** 8507 * Flag indicating that {@link #originFile} has already been staged, 8508 * meaning downstream users don't need to defensively copy the contents. 8509 */ 8510 boolean originStaged; 8511 8512 final IPackageInstallObserver2 observer; 8513 int flags; 8514 final String installerPackageName; 8515 final VerificationParams verificationParams; 8516 private InstallArgs mArgs; 8517 private int mRet; 8518 final String packageAbiOverride; 8519 boolean multiArch; 8520 8521 InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 8522 int flags, String installerPackageName, VerificationParams verificationParams, 8523 UserHandle user, String packageAbiOverride) { 8524 super(user); 8525 this.originFile = Preconditions.checkNotNull(originFile); 8526 this.originStaged = originStaged; 8527 this.observer = observer; 8528 this.flags = flags; 8529 this.installerPackageName = installerPackageName; 8530 this.verificationParams = verificationParams; 8531 this.packageAbiOverride = packageAbiOverride; 8532 } 8533 8534 @Override 8535 public String toString() { 8536 return "InstallParams{" 8537 + Integer.toHexString(System.identityHashCode(this)) 8538 + " " + originFile + "}"; 8539 } 8540 8541 public ManifestDigest getManifestDigest() { 8542 if (verificationParams == null) { 8543 return null; 8544 } 8545 return verificationParams.getManifestDigest(); 8546 } 8547 8548 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8549 String packageName = pkgLite.packageName; 8550 int installLocation = pkgLite.installLocation; 8551 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8552 // reader 8553 synchronized (mPackages) { 8554 PackageParser.Package pkg = mPackages.get(packageName); 8555 if (pkg != null) { 8556 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8557 // Check for downgrading. 8558 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8559 if (pkgLite.versionCode < pkg.mVersionCode) { 8560 Slog.w(TAG, "Can't install update of " + packageName 8561 + " update version " + pkgLite.versionCode 8562 + " is older than installed version " 8563 + pkg.mVersionCode); 8564 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8565 } 8566 } 8567 // Check for updated system application. 8568 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8569 if (onSd) { 8570 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8571 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8572 } 8573 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8574 } else { 8575 if (onSd) { 8576 // Install flag overrides everything. 8577 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8578 } 8579 // If current upgrade specifies particular preference 8580 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8581 // Application explicitly specified internal. 8582 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8583 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8584 // App explictly prefers external. Let policy decide 8585 } else { 8586 // Prefer previous location 8587 if (isExternal(pkg)) { 8588 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8589 } 8590 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8591 } 8592 } 8593 } else { 8594 // Invalid install. Return error code 8595 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8596 } 8597 } 8598 } 8599 // All the special cases have been taken care of. 8600 // Return result based on recommended install location. 8601 if (onSd) { 8602 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8603 } 8604 return pkgLite.recommendedInstallLocation; 8605 } 8606 8607 private long getMemoryLowThreshold() { 8608 final DeviceStorageMonitorInternal 8609 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8610 if (dsm == null) { 8611 return 0L; 8612 } 8613 return dsm.getMemoryLowThreshold(); 8614 } 8615 8616 /* 8617 * Invoke remote method to get package information and install 8618 * location values. Override install location based on default 8619 * policy if needed and then create install arguments based 8620 * on the install location. 8621 */ 8622 public void handleStartCopy() throws RemoteException { 8623 int ret = PackageManager.INSTALL_SUCCEEDED; 8624 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8625 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8626 PackageInfoLite pkgLite = null; 8627 8628 if (onInt && onSd) { 8629 // Check if both bits are set. 8630 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8631 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8632 } else { 8633 final long lowThreshold = getMemoryLowThreshold(); 8634 if (lowThreshold == 0L) { 8635 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8636 } 8637 8638 // Remote call to find out default install location 8639 final String originPath = originFile.getAbsolutePath(); 8640 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8641 packageAbiOverride); 8642 // Keep track of whether this package is a multiArch package until 8643 // we perform a full scan of it. We need to do this because we might 8644 // end up extracting the package shared libraries before we perform 8645 // a full scan. 8646 multiArch = pkgLite.multiArch; 8647 8648 /* 8649 * If we have too little free space, try to free cache 8650 * before giving up. 8651 */ 8652 if (pkgLite.recommendedInstallLocation 8653 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8654 final long size = mContainerService.calculateInstalledSize( 8655 originPath, isForwardLocked(), packageAbiOverride); 8656 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8657 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8658 lowThreshold, packageAbiOverride); 8659 } 8660 /* 8661 * The cache free must have deleted the file we 8662 * downloaded to install. 8663 * 8664 * TODO: fix the "freeCache" call to not delete 8665 * the file we care about. 8666 */ 8667 if (pkgLite.recommendedInstallLocation 8668 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8669 pkgLite.recommendedInstallLocation 8670 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8671 } 8672 } 8673 } 8674 8675 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8676 int loc = pkgLite.recommendedInstallLocation; 8677 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8678 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8679 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8680 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8681 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8682 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8683 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8684 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8685 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8686 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8687 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8688 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8689 } else { 8690 // Override with defaults if needed. 8691 loc = installLocationPolicy(pkgLite, flags); 8692 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8693 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8694 } else if (!onSd && !onInt) { 8695 // Override install location with flags 8696 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8697 // Set the flag to install on external media. 8698 flags |= PackageManager.INSTALL_EXTERNAL; 8699 flags &= ~PackageManager.INSTALL_INTERNAL; 8700 } else { 8701 // Make sure the flag for installing on external 8702 // media is unset 8703 flags |= PackageManager.INSTALL_INTERNAL; 8704 flags &= ~PackageManager.INSTALL_EXTERNAL; 8705 } 8706 } 8707 } 8708 } 8709 8710 final InstallArgs args = createInstallArgs(this); 8711 mArgs = args; 8712 8713 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8714 /* 8715 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8716 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8717 */ 8718 int userIdentifier = getUser().getIdentifier(); 8719 if (userIdentifier == UserHandle.USER_ALL 8720 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8721 userIdentifier = UserHandle.USER_OWNER; 8722 } 8723 8724 /* 8725 * Determine if we have any installed package verifiers. If we 8726 * do, then we'll defer to them to verify the packages. 8727 */ 8728 final int requiredUid = mRequiredVerifierPackage == null ? -1 8729 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8730 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8731 // TODO: send verifier the install session instead of uri 8732 final Intent verification = new Intent( 8733 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8734 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8735 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8736 8737 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8738 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8739 0 /* TODO: Which userId? */); 8740 8741 if (DEBUG_VERIFY) { 8742 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8743 + verification.toString() + " with " + pkgLite.verifiers.length 8744 + " optional verifiers"); 8745 } 8746 8747 final int verificationId = mPendingVerificationToken++; 8748 8749 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8750 8751 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8752 installerPackageName); 8753 8754 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8755 8756 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8757 pkgLite.packageName); 8758 8759 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8760 pkgLite.versionCode); 8761 8762 if (verificationParams != null) { 8763 if (verificationParams.getVerificationURI() != null) { 8764 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8765 verificationParams.getVerificationURI()); 8766 } 8767 if (verificationParams.getOriginatingURI() != null) { 8768 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8769 verificationParams.getOriginatingURI()); 8770 } 8771 if (verificationParams.getReferrer() != null) { 8772 verification.putExtra(Intent.EXTRA_REFERRER, 8773 verificationParams.getReferrer()); 8774 } 8775 if (verificationParams.getOriginatingUid() >= 0) { 8776 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8777 verificationParams.getOriginatingUid()); 8778 } 8779 if (verificationParams.getInstallerUid() >= 0) { 8780 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8781 verificationParams.getInstallerUid()); 8782 } 8783 } 8784 8785 final PackageVerificationState verificationState = new PackageVerificationState( 8786 requiredUid, args); 8787 8788 mPendingVerification.append(verificationId, verificationState); 8789 8790 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8791 receivers, verificationState); 8792 8793 /* 8794 * If any sufficient verifiers were listed in the package 8795 * manifest, attempt to ask them. 8796 */ 8797 if (sufficientVerifiers != null) { 8798 final int N = sufficientVerifiers.size(); 8799 if (N == 0) { 8800 Slog.i(TAG, "Additional verifiers required, but none installed."); 8801 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8802 } else { 8803 for (int i = 0; i < N; i++) { 8804 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8805 8806 final Intent sufficientIntent = new Intent(verification); 8807 sufficientIntent.setComponent(verifierComponent); 8808 8809 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8810 } 8811 } 8812 } 8813 8814 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8815 mRequiredVerifierPackage, receivers); 8816 if (ret == PackageManager.INSTALL_SUCCEEDED 8817 && mRequiredVerifierPackage != null) { 8818 /* 8819 * Send the intent to the required verification agent, 8820 * but only start the verification timeout after the 8821 * target BroadcastReceivers have run. 8822 */ 8823 verification.setComponent(requiredVerifierComponent); 8824 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8825 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8826 new BroadcastReceiver() { 8827 @Override 8828 public void onReceive(Context context, Intent intent) { 8829 final Message msg = mHandler 8830 .obtainMessage(CHECK_PENDING_VERIFICATION); 8831 msg.arg1 = verificationId; 8832 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8833 } 8834 }, null, 0, null, null); 8835 8836 /* 8837 * We don't want the copy to proceed until verification 8838 * succeeds, so null out this field. 8839 */ 8840 mArgs = null; 8841 } 8842 } else { 8843 /* 8844 * No package verification is enabled, so immediately start 8845 * the remote call to initiate copy using temporary file. 8846 */ 8847 ret = args.copyApk(mContainerService, true); 8848 } 8849 } 8850 8851 mRet = ret; 8852 } 8853 8854 @Override 8855 void handleReturnCode() { 8856 // If mArgs is null, then MCS couldn't be reached. When it 8857 // reconnects, it will try again to install. At that point, this 8858 // will succeed. 8859 if (mArgs != null) { 8860 processPendingInstall(mArgs, mRet); 8861 } 8862 } 8863 8864 @Override 8865 void handleServiceError() { 8866 mArgs = createInstallArgs(this); 8867 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8868 } 8869 8870 public boolean isForwardLocked() { 8871 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8872 } 8873 } 8874 8875 /* 8876 * Utility class used in movePackage api. 8877 * srcArgs and targetArgs are not set for invalid flags and make 8878 * sure to do null checks when invoking methods on them. 8879 * We probably want to return ErrorPrams for both failed installs 8880 * and moves. 8881 */ 8882 class MoveParams extends HandlerParams { 8883 final IPackageMoveObserver observer; 8884 final int flags; 8885 final String packageName; 8886 final InstallArgs srcArgs; 8887 final InstallArgs targetArgs; 8888 int uid; 8889 int mRet; 8890 8891 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8892 String packageName, String[] instructionSets, int uid, UserHandle user, 8893 boolean isMultiArch) { 8894 super(user); 8895 this.srcArgs = srcArgs; 8896 this.observer = observer; 8897 this.flags = flags; 8898 this.packageName = packageName; 8899 this.uid = uid; 8900 if (srcArgs != null) { 8901 final String codePath = srcArgs.getCodePath(); 8902 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8903 instructionSets, isMultiArch); 8904 } else { 8905 targetArgs = null; 8906 } 8907 } 8908 8909 @Override 8910 public String toString() { 8911 return "MoveParams{" 8912 + Integer.toHexString(System.identityHashCode(this)) 8913 + " " + packageName + "}"; 8914 } 8915 8916 public void handleStartCopy() throws RemoteException { 8917 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8918 // Check for storage space on target medium 8919 if (!targetArgs.checkFreeStorage(mContainerService)) { 8920 Log.w(TAG, "Insufficient storage to install"); 8921 return; 8922 } 8923 8924 mRet = srcArgs.doPreCopy(); 8925 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8926 return; 8927 } 8928 8929 mRet = targetArgs.copyApk(mContainerService, false); 8930 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8931 srcArgs.doPostCopy(uid); 8932 return; 8933 } 8934 8935 mRet = srcArgs.doPostCopy(uid); 8936 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8937 return; 8938 } 8939 8940 mRet = targetArgs.doPreInstall(mRet); 8941 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8942 return; 8943 } 8944 8945 if (DEBUG_SD_INSTALL) { 8946 StringBuilder builder = new StringBuilder(); 8947 if (srcArgs != null) { 8948 builder.append("src: "); 8949 builder.append(srcArgs.getCodePath()); 8950 } 8951 if (targetArgs != null) { 8952 builder.append(" target : "); 8953 builder.append(targetArgs.getCodePath()); 8954 } 8955 Log.i(TAG, builder.toString()); 8956 } 8957 } 8958 8959 @Override 8960 void handleReturnCode() { 8961 targetArgs.doPostInstall(mRet, uid); 8962 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8963 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8964 currentStatus = PackageManager.MOVE_SUCCEEDED; 8965 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8966 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8967 } 8968 processPendingMove(this, currentStatus); 8969 } 8970 8971 @Override 8972 void handleServiceError() { 8973 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8974 } 8975 } 8976 8977 /** 8978 * Used during creation of InstallArgs 8979 * 8980 * @param flags package installation flags 8981 * @return true if should be installed on external storage 8982 */ 8983 private static boolean installOnSd(int flags) { 8984 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8985 return false; 8986 } 8987 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8988 return true; 8989 } 8990 return false; 8991 } 8992 8993 /** 8994 * Used during creation of InstallArgs 8995 * 8996 * @param flags package installation flags 8997 * @return true if should be installed as forward locked 8998 */ 8999 private static boolean installForwardLocked(int flags) { 9000 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9001 } 9002 9003 private InstallArgs createInstallArgs(InstallParams params) { 9004 // TODO: extend to support incoming zero-copy locations 9005 9006 if (installOnSd(params.flags) || params.isForwardLocked()) { 9007 return new AsecInstallArgs(params); 9008 } else { 9009 return new FileInstallArgs(params); 9010 } 9011 } 9012 9013 /** 9014 * Create args that describe an existing installed package. Typically used 9015 * when cleaning up old installs, or used as a move source. 9016 */ 9017 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 9018 String resourcePath, String nativeLibraryRoot, String[] instructionSets, 9019 boolean isMultiArch) { 9020 final boolean isInAsec; 9021 if (installOnSd(flags)) { 9022 /* Apps on SD card are always in ASEC containers. */ 9023 isInAsec = true; 9024 } else if (installForwardLocked(flags) 9025 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9026 /* 9027 * Forward-locked apps are only in ASEC containers if they're the 9028 * new style 9029 */ 9030 isInAsec = true; 9031 } else { 9032 isInAsec = false; 9033 } 9034 9035 if (isInAsec) { 9036 return new AsecInstallArgs(codePath, instructionSets, 9037 installOnSd(flags), installForwardLocked(flags), isMultiArch); 9038 } else { 9039 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9040 instructionSets, isMultiArch); 9041 } 9042 } 9043 9044 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 9045 String[] instructionSets, boolean isMultiArch) { 9046 final File codeFile = new File(codePath); 9047 if (installOnSd(flags) || installForwardLocked(flags)) { 9048 String cid = getNextCodePath(codePath, pkgName, "/" 9049 + AsecInstallArgs.RES_FILE_NAME); 9050 return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags), 9051 installForwardLocked(flags), isMultiArch); 9052 } else { 9053 return new FileInstallArgs(codeFile, instructionSets, isMultiArch); 9054 } 9055 } 9056 9057 static abstract class InstallArgs { 9058 /** @see InstallParams#originFile */ 9059 final File originFile; 9060 /** @see InstallParams#originStaged */ 9061 final boolean originStaged; 9062 9063 // TODO: define inherit location 9064 9065 final IPackageInstallObserver2 observer; 9066 // Always refers to PackageManager flags only 9067 final int flags; 9068 final String installerPackageName; 9069 final ManifestDigest manifestDigest; 9070 final UserHandle user; 9071 final String abiOverride; 9072 final boolean multiArch; 9073 9074 // The list of instruction sets supported by this app. This is currently 9075 // only used during the rmdex() phase to clean up resources. We can get rid of this 9076 // if we move dex files under the common app path. 9077 /* nullable */ String[] instructionSets; 9078 9079 InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 9080 int flags, String installerPackageName, ManifestDigest manifestDigest, 9081 UserHandle user, String[] instructionSets, 9082 String abiOverride, boolean multiArch) { 9083 this.originFile = originFile; 9084 this.originStaged = originStaged; 9085 this.flags = flags; 9086 this.observer = observer; 9087 this.installerPackageName = installerPackageName; 9088 this.manifestDigest = manifestDigest; 9089 this.user = user; 9090 this.instructionSets = instructionSets; 9091 this.abiOverride = abiOverride; 9092 this.multiArch = multiArch; 9093 } 9094 9095 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9096 abstract int doPreInstall(int status); 9097 9098 /** 9099 * Rename package into final resting place. All paths on the given 9100 * scanned package should be updated to reflect the rename. 9101 */ 9102 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9103 abstract int doPostInstall(int status, int uid); 9104 9105 /** @see PackageSettingBase#codePathString */ 9106 abstract String getCodePath(); 9107 /** @see PackageSettingBase#resourcePathString */ 9108 abstract String getResourcePath(); 9109 abstract String getLegacyNativeLibraryPath(); 9110 9111 // Need installer lock especially for dex file removal. 9112 abstract void cleanUpResourcesLI(); 9113 abstract boolean doPostDeleteLI(boolean delete); 9114 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9115 9116 /** 9117 * Called before the source arguments are copied. This is used mostly 9118 * for MoveParams when it needs to read the source file to put it in the 9119 * destination. 9120 */ 9121 int doPreCopy() { 9122 return PackageManager.INSTALL_SUCCEEDED; 9123 } 9124 9125 /** 9126 * Called after the source arguments are copied. This is used mostly for 9127 * MoveParams when it needs to read the source file to put it in the 9128 * destination. 9129 * 9130 * @return 9131 */ 9132 int doPostCopy(int uid) { 9133 return PackageManager.INSTALL_SUCCEEDED; 9134 } 9135 9136 protected boolean isFwdLocked() { 9137 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9138 } 9139 9140 UserHandle getUser() { 9141 return user; 9142 } 9143 } 9144 9145 /** 9146 * Logic to handle installation of non-ASEC applications, including copying 9147 * and renaming logic. 9148 */ 9149 class FileInstallArgs extends InstallArgs { 9150 private File codeFile; 9151 private File resourceFile; 9152 private File legacyNativeLibraryPath; 9153 9154 // Example topology: 9155 // /data/app/com.example/base.apk 9156 // /data/app/com.example/split_foo.apk 9157 // /data/app/com.example/lib/arm/libfoo.so 9158 // /data/app/com.example/lib/arm64/libfoo.so 9159 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9160 9161 /** New install */ 9162 FileInstallArgs(InstallParams params) { 9163 super(params.originFile, params.originStaged, params.observer, params.flags, 9164 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9165 null /* instruction sets */, params.packageAbiOverride, 9166 params.multiArch); 9167 if (isFwdLocked()) { 9168 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9169 } 9170 } 9171 9172 /** Existing install */ 9173 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9174 String[] instructionSets, boolean isMultiArch) { 9175 super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch); 9176 this.codeFile = (codePath != null) ? new File(codePath) : null; 9177 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9178 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9179 new File(legacyNativeLibraryPath) : null; 9180 } 9181 9182 /** New install from existing */ 9183 FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) { 9184 super(originFile, false, null, 0, null, null, null, instructionSets, null, 9185 isMultiArch); 9186 } 9187 9188 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9189 final long lowThreshold; 9190 9191 final DeviceStorageMonitorInternal 9192 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9193 if (dsm == null) { 9194 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9195 lowThreshold = 0L; 9196 } else { 9197 if (dsm.isMemoryLow()) { 9198 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9199 return false; 9200 } 9201 9202 lowThreshold = dsm.getMemoryLowThreshold(); 9203 } 9204 9205 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9206 lowThreshold); 9207 } 9208 9209 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9210 int ret = PackageManager.INSTALL_SUCCEEDED; 9211 9212 if (originStaged) { 9213 Slog.d(TAG, originFile + " already staged; skipping copy"); 9214 codeFile = originFile; 9215 resourceFile = originFile; 9216 } else { 9217 try { 9218 final File tempDir = mInstallerService.allocateSessionDir(); 9219 codeFile = tempDir; 9220 resourceFile = tempDir; 9221 } catch (IOException e) { 9222 Slog.w(TAG, "Failed to create copy file: " + e); 9223 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9224 } 9225 9226 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9227 @Override 9228 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9229 if (!FileUtils.isValidExtFilename(name)) { 9230 throw new IllegalArgumentException("Invalid filename: " + name); 9231 } 9232 try { 9233 final File file = new File(codeFile, name); 9234 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9235 O_RDWR | O_CREAT, 0644); 9236 Os.chmod(file.getAbsolutePath(), 0644); 9237 return new ParcelFileDescriptor(fd); 9238 } catch (ErrnoException e) { 9239 throw new RemoteException("Failed to open: " + e.getMessage()); 9240 } 9241 } 9242 }; 9243 9244 ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9245 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9246 Slog.e(TAG, "Failed to copy package"); 9247 return ret; 9248 } 9249 } 9250 9251 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9252 NativeLibraryHelper.Handle handle = null; 9253 try { 9254 handle = NativeLibraryHelper.Handle.create(codeFile); 9255 if (multiArch) { 9256 // Warn if we've set an abiOverride for multi-lib packages.. 9257 // By definition, we need to copy both 32 and 64 bit libraries for 9258 // such packages. 9259 if (abiOverride != null) { 9260 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9261 } 9262 9263 int copyRet = PackageManager.NO_NATIVE_LIBRARIES; 9264 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9265 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9266 Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */); 9267 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9268 Slog.w(TAG, "Failure copying 32 bit native libraries [errorCode=" + copyRet + "]"); 9269 return copyRet; 9270 } 9271 } 9272 9273 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9274 Log.d(TAG, "Installed 32 bit libraries under: " + codeFile + " abi=" + 9275 Build.SUPPORTED_32_BIT_ABIS[copyRet]); 9276 } 9277 9278 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9279 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9280 Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */); 9281 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9282 Slog.w(TAG, "Failure copying 64 bit native libraries [errorCode=" + copyRet + "]"); 9283 return copyRet; 9284 } 9285 } 9286 9287 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9288 Log.d(TAG, "Installed 64 bit libraries under: " + codeFile + " abi=" + 9289 Build.SUPPORTED_64_BIT_ABIS[copyRet]); 9290 } 9291 } else { 9292 String[] abiList = (abiOverride != null) ? 9293 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9294 9295 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 9296 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9297 abiList = Build.SUPPORTED_32_BIT_ABIS; 9298 } 9299 9300 int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList, 9301 true /* use isa specific subdirs */); 9302 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9303 Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]"); 9304 return copyRet; 9305 } 9306 9307 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9308 Log.d(TAG, "Installed libraries under: " + codeFile + " abi=" + abiList[copyRet]); 9309 } 9310 } 9311 } catch (IOException e) { 9312 Slog.e(TAG, "Copying native libraries failed", e); 9313 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9314 } finally { 9315 IoUtils.closeQuietly(handle); 9316 } 9317 9318 return ret; 9319 } 9320 9321 int doPreInstall(int status) { 9322 if (status != PackageManager.INSTALL_SUCCEEDED) { 9323 cleanUp(); 9324 } 9325 return status; 9326 } 9327 9328 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9329 if (status != PackageManager.INSTALL_SUCCEEDED) { 9330 cleanUp(); 9331 return false; 9332 } else { 9333 final File beforeCodeFile = codeFile; 9334 final File afterCodeFile = new File(mAppInstallDir, 9335 getNextCodePath(oldCodePath, pkg.packageName, null)); 9336 9337 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9338 if (!beforeCodeFile.renameTo(afterCodeFile)) { 9339 return false; 9340 } 9341 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9342 return false; 9343 } 9344 9345 // Reflect the rename internally 9346 codeFile = afterCodeFile; 9347 resourceFile = afterCodeFile; 9348 9349 // Reflect the rename in scanned details 9350 pkg.codePath = afterCodeFile.getAbsolutePath(); 9351 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9352 pkg.baseCodePath); 9353 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9354 pkg.splitCodePaths); 9355 9356 // Reflect the rename in app info 9357 pkg.applicationInfo.setCodePath(pkg.codePath); 9358 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9359 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9360 pkg.applicationInfo.setResourcePath(pkg.codePath); 9361 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9362 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9363 9364 return true; 9365 } 9366 } 9367 9368 int doPostInstall(int status, int uid) { 9369 if (status != PackageManager.INSTALL_SUCCEEDED) { 9370 cleanUp(); 9371 } 9372 return status; 9373 } 9374 9375 @Override 9376 String getCodePath() { 9377 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9378 } 9379 9380 @Override 9381 String getResourcePath() { 9382 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9383 } 9384 9385 @Override 9386 String getLegacyNativeLibraryPath() { 9387 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9388 } 9389 9390 private boolean cleanUp() { 9391 if (codeFile == null || !codeFile.exists()) { 9392 return false; 9393 } 9394 9395 if (codeFile.isDirectory()) { 9396 FileUtils.deleteContents(codeFile); 9397 } 9398 codeFile.delete(); 9399 9400 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9401 resourceFile.delete(); 9402 } 9403 9404 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9405 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9406 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9407 } 9408 legacyNativeLibraryPath.delete(); 9409 } 9410 9411 return true; 9412 } 9413 9414 void cleanUpResourcesLI() { 9415 // Try enumerating all code paths before deleting 9416 List<String> allCodePaths = Collections.EMPTY_LIST; 9417 if (codeFile != null && codeFile.exists()) { 9418 try { 9419 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9420 allCodePaths = pkg.getAllCodePaths(); 9421 } catch (PackageParserException e) { 9422 // Ignored; we tried our best 9423 } 9424 } 9425 9426 cleanUp(); 9427 9428 if (!allCodePaths.isEmpty()) { 9429 if (instructionSets == null) { 9430 throw new IllegalStateException("instructionSet == null"); 9431 } 9432 9433 for (String codePath : allCodePaths) { 9434 for (String instructionSet : instructionSets) { 9435 int retCode = mInstaller.rmdex(codePath, instructionSet); 9436 if (retCode < 0) { 9437 Slog.w(TAG, "Couldn't remove dex file for package: " 9438 + " at location " + codePath + ", retcode=" + retCode); 9439 // we don't consider this to be a failure of the core package deletion 9440 } 9441 } 9442 } 9443 } 9444 } 9445 9446 boolean doPostDeleteLI(boolean delete) { 9447 // XXX err, shouldn't we respect the delete flag? 9448 cleanUpResourcesLI(); 9449 return true; 9450 } 9451 } 9452 9453 private boolean isAsecExternal(String cid) { 9454 final String asecPath = PackageHelper.getSdFilesystem(cid); 9455 return !asecPath.startsWith(mAsecInternalPath); 9456 } 9457 9458 /** 9459 * Extract the MountService "container ID" from the full code path of an 9460 * .apk. 9461 */ 9462 static String cidFromCodePath(String fullCodePath) { 9463 int eidx = fullCodePath.lastIndexOf("/"); 9464 String subStr1 = fullCodePath.substring(0, eidx); 9465 int sidx = subStr1.lastIndexOf("/"); 9466 return subStr1.substring(sidx+1, eidx); 9467 } 9468 9469 /** 9470 * Logic to handle installation of ASEC applications, including copying and 9471 * renaming logic. 9472 */ 9473 class AsecInstallArgs extends InstallArgs { 9474 // TODO: teach about handling cluster directories 9475 9476 static final String RES_FILE_NAME = "pkg.apk"; 9477 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9478 9479 String cid; 9480 String packagePath; 9481 String resourcePath; 9482 String legacyNativeLibraryDir; 9483 9484 /** New install */ 9485 AsecInstallArgs(InstallParams params) { 9486 super(params.originFile, params.originStaged, params.observer, params.flags, 9487 params.installerPackageName, params.getManifestDigest(), 9488 params.getUser(), null /* instruction sets */, 9489 params.packageAbiOverride, params.multiArch); 9490 } 9491 9492 /** Existing install */ 9493 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9494 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9495 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9496 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9497 instructionSets, null, isMultiArch); 9498 // Extract cid from fullCodePath 9499 int eidx = fullCodePath.lastIndexOf("/"); 9500 String subStr1 = fullCodePath.substring(0, eidx); 9501 int sidx = subStr1.lastIndexOf("/"); 9502 cid = subStr1.substring(sidx+1, eidx); 9503 setCachePath(subStr1); 9504 } 9505 9506 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked, 9507 boolean isMultiArch) { 9508 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9509 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9510 instructionSets, null, isMultiArch); 9511 this.cid = cid; 9512 setCachePath(PackageHelper.getSdDir(cid)); 9513 } 9514 9515 /** New install from existing */ 9516 AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets, 9517 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9518 super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9519 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9520 instructionSets, null, isMultiArch); 9521 this.cid = cid; 9522 } 9523 9524 void createCopyFile() { 9525 cid = getTempContainerId(); 9526 } 9527 9528 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9529 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9530 abiOverride); 9531 } 9532 9533 private final boolean isExternal() { 9534 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9535 } 9536 9537 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9538 if (temp) { 9539 createCopyFile(); 9540 } else { 9541 /* 9542 * Pre-emptively destroy the container since it's destroyed if 9543 * copying fails due to it existing anyway. 9544 */ 9545 PackageHelper.destroySdDir(cid); 9546 } 9547 9548 final String newCachePath = imcs.copyPackageToContainer( 9549 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9550 isFwdLocked(), abiOverride); 9551 9552 if (newCachePath != null) { 9553 setCachePath(newCachePath); 9554 return PackageManager.INSTALL_SUCCEEDED; 9555 } else { 9556 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9557 } 9558 } 9559 9560 @Override 9561 String getCodePath() { 9562 return packagePath; 9563 } 9564 9565 @Override 9566 String getResourcePath() { 9567 return resourcePath; 9568 } 9569 9570 @Override 9571 String getLegacyNativeLibraryPath() { 9572 return legacyNativeLibraryDir; 9573 } 9574 9575 int doPreInstall(int status) { 9576 if (status != PackageManager.INSTALL_SUCCEEDED) { 9577 // Destroy container 9578 PackageHelper.destroySdDir(cid); 9579 } else { 9580 boolean mounted = PackageHelper.isContainerMounted(cid); 9581 if (!mounted) { 9582 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9583 Process.SYSTEM_UID); 9584 if (newCachePath != null) { 9585 setCachePath(newCachePath); 9586 } else { 9587 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9588 } 9589 } 9590 } 9591 return status; 9592 } 9593 9594 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9595 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9596 String newCachePath = null; 9597 if (PackageHelper.isContainerMounted(cid)) { 9598 // Unmount the container 9599 if (!PackageHelper.unMountSdDir(cid)) { 9600 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9601 return false; 9602 } 9603 } 9604 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9605 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9606 " which might be stale. Will try to clean up."); 9607 // Clean up the stale container and proceed to recreate. 9608 if (!PackageHelper.destroySdDir(newCacheId)) { 9609 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9610 return false; 9611 } 9612 // Successfully cleaned up stale container. Try to rename again. 9613 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9614 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9615 + " inspite of cleaning it up."); 9616 return false; 9617 } 9618 } 9619 if (!PackageHelper.isContainerMounted(newCacheId)) { 9620 Slog.w(TAG, "Mounting container " + newCacheId); 9621 newCachePath = PackageHelper.mountSdDir(newCacheId, 9622 getEncryptKey(), Process.SYSTEM_UID); 9623 } else { 9624 newCachePath = PackageHelper.getSdDir(newCacheId); 9625 } 9626 if (newCachePath == null) { 9627 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9628 return false; 9629 } 9630 Log.i(TAG, "Succesfully renamed " + cid + 9631 " to " + newCacheId + 9632 " at new path: " + newCachePath); 9633 cid = newCacheId; 9634 setCachePath(newCachePath); 9635 9636 // TODO: extend to support split APKs 9637 pkg.codePath = getCodePath(); 9638 pkg.baseCodePath = getCodePath(); 9639 pkg.splitCodePaths = null; 9640 9641 pkg.applicationInfo.setCodePath(getCodePath()); 9642 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9643 pkg.applicationInfo.setSplitCodePaths(null); 9644 pkg.applicationInfo.setResourcePath(getResourcePath()); 9645 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9646 pkg.applicationInfo.setSplitResourcePaths(null); 9647 9648 return true; 9649 } 9650 9651 private void setCachePath(String newCachePath) { 9652 File cachePath = new File(newCachePath); 9653 legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath(); 9654 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9655 9656 if (isFwdLocked()) { 9657 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9658 } else { 9659 resourcePath = packagePath; 9660 } 9661 } 9662 9663 int doPostInstall(int status, int uid) { 9664 if (status != PackageManager.INSTALL_SUCCEEDED) { 9665 cleanUp(); 9666 } else { 9667 final int groupOwner; 9668 final String protectedFile; 9669 if (isFwdLocked()) { 9670 groupOwner = UserHandle.getSharedAppGid(uid); 9671 protectedFile = RES_FILE_NAME; 9672 } else { 9673 groupOwner = -1; 9674 protectedFile = null; 9675 } 9676 9677 if (uid < Process.FIRST_APPLICATION_UID 9678 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9679 Slog.e(TAG, "Failed to finalize " + cid); 9680 PackageHelper.destroySdDir(cid); 9681 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9682 } 9683 9684 boolean mounted = PackageHelper.isContainerMounted(cid); 9685 if (!mounted) { 9686 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9687 } 9688 } 9689 return status; 9690 } 9691 9692 private void cleanUp() { 9693 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9694 9695 // Destroy secure container 9696 PackageHelper.destroySdDir(cid); 9697 } 9698 9699 void cleanUpResourcesLI() { 9700 String sourceFile = getCodePath(); 9701 // Remove dex file 9702 if (instructionSets == null) { 9703 throw new IllegalStateException("instructionSet == null"); 9704 } 9705 for (String instructionSet : instructionSets) { 9706 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9707 if (retCode < 0) { 9708 Slog.w(TAG, "Couldn't remove dex file for package: " 9709 + " at location " 9710 + sourceFile.toString() + ", retcode=" + retCode); 9711 // we don't consider this to be a failure of the core package deletion 9712 } 9713 } 9714 cleanUp(); 9715 } 9716 9717 boolean matchContainer(String app) { 9718 if (cid.startsWith(app)) { 9719 return true; 9720 } 9721 return false; 9722 } 9723 9724 String getPackageName() { 9725 return getAsecPackageName(cid); 9726 } 9727 9728 boolean doPostDeleteLI(boolean delete) { 9729 boolean ret = false; 9730 boolean mounted = PackageHelper.isContainerMounted(cid); 9731 if (mounted) { 9732 // Unmount first 9733 ret = PackageHelper.unMountSdDir(cid); 9734 } 9735 if (ret && delete) { 9736 cleanUpResourcesLI(); 9737 } 9738 return ret; 9739 } 9740 9741 @Override 9742 int doPreCopy() { 9743 if (isFwdLocked()) { 9744 if (!PackageHelper.fixSdPermissions(cid, 9745 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9746 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9747 } 9748 } 9749 9750 return PackageManager.INSTALL_SUCCEEDED; 9751 } 9752 9753 @Override 9754 int doPostCopy(int uid) { 9755 if (isFwdLocked()) { 9756 if (uid < Process.FIRST_APPLICATION_UID 9757 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9758 RES_FILE_NAME)) { 9759 Slog.e(TAG, "Failed to finalize " + cid); 9760 PackageHelper.destroySdDir(cid); 9761 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9762 } 9763 } 9764 9765 return PackageManager.INSTALL_SUCCEEDED; 9766 } 9767 } 9768 9769 static String getAsecPackageName(String packageCid) { 9770 int idx = packageCid.lastIndexOf("-"); 9771 if (idx == -1) { 9772 return packageCid; 9773 } 9774 return packageCid.substring(0, idx); 9775 } 9776 9777 // Utility method used to create code paths based on package name and available index. 9778 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9779 String idxStr = ""; 9780 int idx = 1; 9781 // Fall back to default value of idx=1 if prefix is not 9782 // part of oldCodePath 9783 if (oldCodePath != null) { 9784 String subStr = oldCodePath; 9785 // Drop the suffix right away 9786 if (suffix != null && subStr.endsWith(suffix)) { 9787 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9788 } 9789 // If oldCodePath already contains prefix find out the 9790 // ending index to either increment or decrement. 9791 int sidx = subStr.lastIndexOf(prefix); 9792 if (sidx != -1) { 9793 subStr = subStr.substring(sidx + prefix.length()); 9794 if (subStr != null) { 9795 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9796 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9797 } 9798 try { 9799 idx = Integer.parseInt(subStr); 9800 if (idx <= 1) { 9801 idx++; 9802 } else { 9803 idx--; 9804 } 9805 } catch(NumberFormatException e) { 9806 } 9807 } 9808 } 9809 } 9810 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9811 return prefix + idxStr; 9812 } 9813 9814 // Utility method used to ignore ADD/REMOVE events 9815 // by directory observer. 9816 private static boolean ignoreCodePath(String fullPathStr) { 9817 String apkName = deriveCodePathName(fullPathStr); 9818 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9819 if (idx != -1 && ((idx+1) < apkName.length())) { 9820 // Make sure the package ends with a numeral 9821 String version = apkName.substring(idx+1); 9822 try { 9823 Integer.parseInt(version); 9824 return true; 9825 } catch (NumberFormatException e) {} 9826 } 9827 return false; 9828 } 9829 9830 // Utility method that returns the relative package path with respect 9831 // to the installation directory. Like say for /data/data/com.test-1.apk 9832 // string com.test-1 is returned. 9833 static String deriveCodePathName(String codePath) { 9834 if (codePath == null) { 9835 return null; 9836 } 9837 final File codeFile = new File(codePath); 9838 final String name = codeFile.getName(); 9839 if (codeFile.isDirectory()) { 9840 return name; 9841 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9842 final int lastDot = name.lastIndexOf('.'); 9843 return name.substring(0, lastDot); 9844 } else { 9845 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9846 return null; 9847 } 9848 } 9849 9850 class PackageInstalledInfo { 9851 String name; 9852 int uid; 9853 // The set of users that originally had this package installed. 9854 int[] origUsers; 9855 // The set of users that now have this package installed. 9856 int[] newUsers; 9857 PackageParser.Package pkg; 9858 int returnCode; 9859 String returnMsg; 9860 PackageRemovedInfo removedInfo; 9861 9862 public void setError(int code, String msg) { 9863 returnCode = code; 9864 returnMsg = msg; 9865 Slog.w(TAG, msg); 9866 } 9867 9868 // In some error cases we want to convey more info back to the observer 9869 String origPackage; 9870 String origPermission; 9871 } 9872 9873 /* 9874 * Install a non-existing package. 9875 */ 9876 private void installNewPackageLI(PackageParser.Package pkg, 9877 int parseFlags, int scanMode, UserHandle user, 9878 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9879 // Remember this for later, in case we need to rollback this install 9880 String pkgName = pkg.packageName; 9881 9882 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9883 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9884 synchronized(mPackages) { 9885 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9886 // A package with the same name is already installed, though 9887 // it has been renamed to an older name. The package we 9888 // are trying to install should be installed as an update to 9889 // the existing one, but that has not been requested, so bail. 9890 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9891 + " without first uninstalling package running as " 9892 + mSettings.mRenamedPackages.get(pkgName)); 9893 return; 9894 } 9895 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9896 // Don't allow installation over an existing package with the same name. 9897 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9898 + " without first uninstalling."); 9899 return; 9900 } 9901 } 9902 9903 try { 9904 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9905 System.currentTimeMillis(), user, abiOverride); 9906 9907 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9908 // delete the partially installed application. the data directory will have to be 9909 // restored if it was already existing 9910 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9911 // remove package from internal structures. Note that we want deletePackageX to 9912 // delete the package data and cache directories that it created in 9913 // scanPackageLocked, unless those directories existed before we even tried to 9914 // install. 9915 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9916 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9917 res.removedInfo, true); 9918 } 9919 9920 } catch (PackageManagerException e) { 9921 res.setError(e.error, 9922 "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage()); 9923 } 9924 } 9925 9926 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9927 // Upgrade keysets are being used. Determine if new package has a superset of the 9928 // required keys. 9929 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9930 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9931 for (int i = 0; i < upgradeKeySets.length; i++) { 9932 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9933 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9934 return true; 9935 } 9936 } 9937 return false; 9938 } 9939 9940 private void replacePackageLI(PackageParser.Package pkg, 9941 int parseFlags, int scanMode, UserHandle user, 9942 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9943 PackageParser.Package oldPackage; 9944 String pkgName = pkg.packageName; 9945 int[] allUsers; 9946 boolean[] perUserInstalled; 9947 9948 // First find the old package info and check signatures 9949 synchronized(mPackages) { 9950 oldPackage = mPackages.get(pkgName); 9951 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9952 PackageSetting ps = mSettings.mPackages.get(pkgName); 9953 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9954 // default to original signature matching 9955 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9956 != PackageManager.SIGNATURE_MATCH) { 9957 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9958 "New package has a different signature: " + pkgName); 9959 return; 9960 } 9961 } else { 9962 if(!checkUpgradeKeySetLP(ps, pkg)) { 9963 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9964 "New package not signed by keys specified by upgrade-keysets: " 9965 + pkgName); 9966 return; 9967 } 9968 } 9969 9970 // In case of rollback, remember per-user/profile install state 9971 allUsers = sUserManager.getUserIds(); 9972 perUserInstalled = new boolean[allUsers.length]; 9973 for (int i = 0; i < allUsers.length; i++) { 9974 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9975 } 9976 } 9977 boolean sysPkg = (isSystemApp(oldPackage)); 9978 if (sysPkg) { 9979 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9980 user, allUsers, perUserInstalled, installerPackageName, res, 9981 abiOverride); 9982 } else { 9983 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9984 user, allUsers, perUserInstalled, installerPackageName, res, 9985 abiOverride); 9986 } 9987 } 9988 9989 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9990 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9991 int[] allUsers, boolean[] perUserInstalled, 9992 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9993 String pkgName = deletedPackage.packageName; 9994 boolean deletedPkg = true; 9995 boolean updatedSettings = false; 9996 9997 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9998 + deletedPackage); 9999 long origUpdateTime; 10000 if (pkg.mExtras != null) { 10001 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10002 } else { 10003 origUpdateTime = 0; 10004 } 10005 10006 // First delete the existing package while retaining the data directory 10007 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10008 res.removedInfo, true)) { 10009 // If the existing package wasn't successfully deleted 10010 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10011 deletedPkg = false; 10012 } else { 10013 // Successfully deleted the old package. Now proceed with re-installation 10014 try { 10015 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10016 scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis(), user, abiOverride); 10017 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10018 updatedSettings = true; 10019 } catch (PackageManagerException e) { 10020 res.setError(e.error, 10021 "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage()); 10022 } 10023 } 10024 10025 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10026 // remove package from internal structures. Note that we want deletePackageX to 10027 // delete the package data and cache directories that it created in 10028 // scanPackageLocked, unless those directories existed before we even tried to 10029 // install. 10030 if(updatedSettings) { 10031 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10032 deletePackageLI( 10033 pkgName, null, true, allUsers, perUserInstalled, 10034 PackageManager.DELETE_KEEP_DATA, 10035 res.removedInfo, true); 10036 } 10037 // Since we failed to install the new package we need to restore the old 10038 // package that we deleted. 10039 if (deletedPkg) { 10040 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10041 File restoreFile = new File(deletedPackage.codePath); 10042 // Parse old package 10043 boolean oldOnSd = isExternal(deletedPackage); 10044 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10045 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10046 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10047 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10048 | SCAN_UPDATE_TIME; 10049 try { 10050 scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime, null, 10051 null); 10052 } catch (PackageManagerException e) { 10053 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10054 + e.getMessage()); 10055 return; 10056 } 10057 // Restore of old package succeeded. Update permissions. 10058 // writer 10059 synchronized (mPackages) { 10060 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10061 UPDATE_PERMISSIONS_ALL); 10062 // can downgrade to reader 10063 mSettings.writeLPr(); 10064 } 10065 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10066 } 10067 } 10068 } 10069 10070 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10071 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10072 int[] allUsers, boolean[] perUserInstalled, 10073 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10074 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10075 + ", old=" + deletedPackage); 10076 boolean updatedSettings = false; 10077 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10078 PackageParser.PARSE_IS_SYSTEM; 10079 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10080 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10081 } 10082 String packageName = deletedPackage.packageName; 10083 if (packageName == null) { 10084 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10085 "Attempt to delete null packageName."); 10086 return; 10087 } 10088 PackageParser.Package oldPkg; 10089 PackageSetting oldPkgSetting; 10090 // reader 10091 synchronized (mPackages) { 10092 oldPkg = mPackages.get(packageName); 10093 oldPkgSetting = mSettings.mPackages.get(packageName); 10094 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10095 (oldPkgSetting == null)) { 10096 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10097 "Couldn't find package:" + packageName + " information"); 10098 return; 10099 } 10100 } 10101 10102 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10103 10104 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10105 res.removedInfo.removedPackage = packageName; 10106 // Remove existing system package 10107 removePackageLI(oldPkgSetting, true); 10108 // writer 10109 synchronized (mPackages) { 10110 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10111 // We didn't need to disable the .apk as a current system package, 10112 // which means we are replacing another update that is already 10113 // installed. We need to make sure to delete the older one's .apk. 10114 res.removedInfo.args = createInstallArgsForExisting(0, 10115 deletedPackage.applicationInfo.getCodePath(), 10116 deletedPackage.applicationInfo.getResourcePath(), 10117 deletedPackage.applicationInfo.nativeLibraryRootDir, 10118 getAppDexInstructionSets(deletedPackage.applicationInfo), 10119 isMultiArch(deletedPackage.applicationInfo)); 10120 } else { 10121 res.removedInfo.args = null; 10122 } 10123 } 10124 10125 // Successfully disabled the old package. Now proceed with re-installation 10126 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10127 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10128 10129 PackageParser.Package newPackage = null; 10130 try { 10131 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10132 if (newPackage.mExtras != null) { 10133 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10134 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10135 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10136 10137 // is the update attempting to change shared user? that isn't going to work... 10138 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10139 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10140 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10141 + " to " + newPkgSetting.sharedUser); 10142 updatedSettings = true; 10143 } 10144 } 10145 10146 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10147 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10148 updatedSettings = true; 10149 } 10150 10151 } catch (PackageManagerException e) { 10152 res.setError(e.error, 10153 "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage()); 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(e.error, "Failed parse during installPackageLI: " + e.getMessage()); 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(e.error, "Failed collect during installPackageLI: " + e.getMessage()); 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