PackageManagerService.java revision ccfe6bd479acc41e018bd38c4021614dc9326fbf
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 45import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 46import static android.content.pm.PackageParser.isApkFile; 47import static android.os.Process.PACKAGE_INFO_GID; 48import static android.os.Process.SYSTEM_UID; 49import static android.system.OsConstants.O_CREAT; 50import static android.system.OsConstants.O_RDWR; 51import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 53import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 54import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 55import static com.android.internal.util.ArrayUtils.appendInt; 56import static com.android.internal.util.ArrayUtils.removeInt; 57 58import android.util.ArrayMap; 59 60import com.android.internal.R; 61import com.android.internal.app.IMediaContainerService; 62import com.android.internal.app.ResolverActivity; 63import com.android.internal.content.NativeLibraryHelper; 64import com.android.internal.content.PackageHelper; 65import com.android.internal.os.IParcelFileDescriptorFactory; 66import com.android.internal.util.ArrayUtils; 67import com.android.internal.util.FastPrintWriter; 68import com.android.internal.util.FastXmlSerializer; 69import com.android.internal.util.IndentingPrintWriter; 70import com.android.server.EventLogTags; 71import com.android.server.IntentResolver; 72import com.android.server.LocalServices; 73import com.android.server.ServiceThread; 74import com.android.server.SystemConfig; 75import com.android.server.Watchdog; 76import com.android.server.pm.Settings.DatabaseVersion; 77import com.android.server.storage.DeviceStorageMonitorInternal; 78 79import org.xmlpull.v1.XmlSerializer; 80 81import android.app.ActivityManager; 82import android.app.ActivityManagerNative; 83import android.app.AppGlobals; 84import android.app.IActivityManager; 85import android.app.admin.IDevicePolicyManager; 86import android.app.backup.IBackupManager; 87import android.app.usage.UsageStats; 88import android.app.usage.UsageStatsManager; 89import android.content.BroadcastReceiver; 90import android.content.ComponentName; 91import android.content.Context; 92import android.content.IIntentReceiver; 93import android.content.Intent; 94import android.content.IntentFilter; 95import android.content.IntentSender; 96import android.content.IntentSender.SendIntentException; 97import android.content.ServiceConnection; 98import android.content.pm.ActivityInfo; 99import android.content.pm.ApplicationInfo; 100import android.content.pm.FeatureInfo; 101import android.content.pm.IPackageDataObserver; 102import android.content.pm.IPackageDeleteObserver; 103import android.content.pm.IPackageDeleteObserver2; 104import android.content.pm.IPackageInstallObserver2; 105import android.content.pm.IPackageInstaller; 106import android.content.pm.IPackageManager; 107import android.content.pm.IPackageMoveObserver; 108import android.content.pm.IPackageStatsObserver; 109import android.content.pm.InstrumentationInfo; 110import android.content.pm.KeySet; 111import android.content.pm.ManifestDigest; 112import android.content.pm.PackageCleanItem; 113import android.content.pm.PackageInfo; 114import android.content.pm.PackageInfoLite; 115import android.content.pm.PackageInstaller; 116import android.content.pm.PackageManager; 117import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 118import android.content.pm.PackageParser.ActivityIntentInfo; 119import android.content.pm.PackageParser.PackageLite; 120import android.content.pm.PackageParser.PackageParserException; 121import android.content.pm.PackageParser; 122import android.content.pm.PackageStats; 123import android.content.pm.PackageUserState; 124import android.content.pm.ParceledListSlice; 125import android.content.pm.PermissionGroupInfo; 126import android.content.pm.PermissionInfo; 127import android.content.pm.ProviderInfo; 128import android.content.pm.ResolveInfo; 129import android.content.pm.ServiceInfo; 130import android.content.pm.Signature; 131import android.content.pm.UserInfo; 132import android.content.pm.VerificationParams; 133import android.content.pm.VerifierDeviceIdentity; 134import android.content.pm.VerifierInfo; 135import android.content.res.Resources; 136import android.hardware.display.DisplayManager; 137import android.net.Uri; 138import android.os.Binder; 139import android.os.Build; 140import android.os.Bundle; 141import android.os.Environment; 142import android.os.Environment.UserEnvironment; 143import android.os.storage.StorageManager; 144import android.os.Debug; 145import android.os.FileUtils; 146import android.os.Handler; 147import android.os.IBinder; 148import android.os.Looper; 149import android.os.Message; 150import android.os.Parcel; 151import android.os.ParcelFileDescriptor; 152import android.os.Process; 153import android.os.RemoteException; 154import android.os.SELinux; 155import android.os.ServiceManager; 156import android.os.SystemClock; 157import android.os.SystemProperties; 158import android.os.UserHandle; 159import android.os.UserManager; 160import android.security.KeyStore; 161import android.security.SystemKeyStore; 162import android.system.ErrnoException; 163import android.system.Os; 164import android.system.StructStat; 165import android.text.TextUtils; 166import android.util.ArraySet; 167import android.util.AtomicFile; 168import android.util.DisplayMetrics; 169import android.util.EventLog; 170import android.util.ExceptionUtils; 171import android.util.Log; 172import android.util.LogPrinter; 173import android.util.PrintStreamPrinter; 174import android.util.Slog; 175import android.util.SparseArray; 176import android.util.SparseBooleanArray; 177import android.view.Display; 178 179import java.io.BufferedInputStream; 180import java.io.BufferedOutputStream; 181import java.io.BufferedReader; 182import java.io.File; 183import java.io.FileDescriptor; 184import java.io.FileInputStream; 185import java.io.FileNotFoundException; 186import java.io.FileOutputStream; 187import java.io.FileReader; 188import java.io.FilenameFilter; 189import java.io.IOException; 190import java.io.InputStream; 191import java.io.PrintWriter; 192import java.nio.charset.StandardCharsets; 193import java.security.NoSuchAlgorithmException; 194import java.security.PublicKey; 195import java.security.cert.CertificateEncodingException; 196import java.security.cert.CertificateException; 197import java.text.SimpleDateFormat; 198import java.util.ArrayList; 199import java.util.Arrays; 200import java.util.Collection; 201import java.util.Collections; 202import java.util.Comparator; 203import java.util.Date; 204import java.util.Iterator; 205import java.util.List; 206import java.util.Map; 207import java.util.Objects; 208import java.util.Set; 209import java.util.concurrent.atomic.AtomicBoolean; 210import java.util.concurrent.atomic.AtomicLong; 211 212import dalvik.system.DexFile; 213import dalvik.system.StaleDexCacheError; 214import dalvik.system.VMRuntime; 215 216import libcore.io.IoUtils; 217import libcore.util.EmptyArray; 218 219/** 220 * Keep track of all those .apks everywhere. 221 * 222 * This is very central to the platform's security; please run the unit 223 * tests whenever making modifications here: 224 * 225mmm frameworks/base/tests/AndroidTests 226adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 227adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 228 * 229 * {@hide} 230 */ 231public class PackageManagerService extends IPackageManager.Stub { 232 static final String TAG = "PackageManager"; 233 static final boolean DEBUG_SETTINGS = false; 234 static final boolean DEBUG_PREFERRED = false; 235 static final boolean DEBUG_UPGRADE = false; 236 private static final boolean DEBUG_INSTALL = false; 237 private static final boolean DEBUG_REMOVE = false; 238 private static final boolean DEBUG_BROADCASTS = false; 239 private static final boolean DEBUG_SHOW_INFO = false; 240 private static final boolean DEBUG_PACKAGE_INFO = false; 241 private static final boolean DEBUG_INTENT_MATCHING = false; 242 private static final boolean DEBUG_PACKAGE_SCANNING = false; 243 private static final boolean DEBUG_VERIFY = false; 244 private static final boolean DEBUG_DEXOPT = false; 245 private static final boolean DEBUG_ABI_SELECTION = false; 246 247 private static final int RADIO_UID = Process.PHONE_UID; 248 private static final int LOG_UID = Process.LOG_UID; 249 private static final int NFC_UID = Process.NFC_UID; 250 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 251 private static final int SHELL_UID = Process.SHELL_UID; 252 253 // Cap the size of permission trees that 3rd party apps can define 254 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 255 256 // Suffix used during package installation when copying/moving 257 // package apks to install directory. 258 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 259 260 static final int SCAN_NO_DEX = 1<<1; 261 static final int SCAN_FORCE_DEX = 1<<2; 262 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 263 static final int SCAN_NEW_INSTALL = 1<<4; 264 static final int SCAN_NO_PATHS = 1<<5; 265 static final int SCAN_UPDATE_TIME = 1<<6; 266 static final int SCAN_DEFER_DEX = 1<<7; 267 static final int SCAN_BOOTING = 1<<8; 268 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 269 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 270 static final int SCAN_REPLACING = 1<<11; 271 272 static final int REMOVE_CHATTY = 1<<16; 273 274 /** 275 * Timeout (in milliseconds) after which the watchdog should declare that 276 * our handler thread is wedged. The usual default for such things is one 277 * minute but we sometimes do very lengthy I/O operations on this thread, 278 * such as installing multi-gigabyte applications, so ours needs to be longer. 279 */ 280 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 281 282 /** 283 * Whether verification is enabled by default. 284 */ 285 private static final boolean DEFAULT_VERIFY_ENABLE = true; 286 287 /** 288 * The default maximum time to wait for the verification agent to return in 289 * milliseconds. 290 */ 291 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 292 293 /** 294 * The default response for package verification timeout. 295 * 296 * This can be either PackageManager.VERIFICATION_ALLOW or 297 * PackageManager.VERIFICATION_REJECT. 298 */ 299 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 300 301 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 302 303 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 304 DEFAULT_CONTAINER_PACKAGE, 305 "com.android.defcontainer.DefaultContainerService"); 306 307 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 308 309 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 310 311 private static String sPreferredInstructionSet; 312 313 final ServiceThread mHandlerThread; 314 315 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 316 private static final String IDMAP_SUFFIX = "@idmap"; 317 318 final PackageHandler mHandler; 319 320 /** 321 * Messages for {@link #mHandler} that need to wait for system ready before 322 * being dispatched. 323 */ 324 private ArrayList<Message> mPostSystemReadyMessages; 325 326 final int mSdkVersion = Build.VERSION.SDK_INT; 327 328 final Context mContext; 329 final boolean mFactoryTest; 330 final boolean mOnlyCore; 331 final boolean mLazyDexOpt; 332 final long mDexOptLRUThresholdInMills; 333 final DisplayMetrics mMetrics; 334 final int mDefParseFlags; 335 final String[] mSeparateProcesses; 336 final boolean mIsUpgrade; 337 338 // This is where all application persistent data goes. 339 final File mAppDataDir; 340 341 // This is where all application persistent data goes for secondary users. 342 final File mUserAppDataDir; 343 344 /** The location for ASEC container files on internal storage. */ 345 final String mAsecInternalPath; 346 347 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 348 // LOCK HELD. Can be called with mInstallLock held. 349 final Installer mInstaller; 350 351 /** Directory where installed third-party apps stored */ 352 final File mAppInstallDir; 353 354 /** 355 * Directory to which applications installed internally have their 356 * 32 bit native libraries copied. 357 */ 358 private File mAppLib32InstallDir; 359 360 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 361 // apps. 362 final File mDrmAppPrivateInstallDir; 363 364 // ---------------------------------------------------------------- 365 366 // Lock for state used when installing and doing other long running 367 // operations. Methods that must be called with this lock held have 368 // the suffix "LI". 369 final Object mInstallLock = new Object(); 370 371 // ---------------------------------------------------------------- 372 373 // Keys are String (package name), values are Package. This also serves 374 // as the lock for the global state. Methods that must be called with 375 // this lock held have the prefix "LP". 376 final ArrayMap<String, PackageParser.Package> mPackages = 377 new ArrayMap<String, PackageParser.Package>(); 378 379 // Tracks available target package names -> overlay package paths. 380 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 381 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 382 383 final Settings mSettings; 384 boolean mRestoredSettings; 385 386 // System configuration read by SystemConfig. 387 final int[] mGlobalGids; 388 final SparseArray<ArraySet<String>> mSystemPermissions; 389 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 390 391 // If mac_permissions.xml was found for seinfo labeling. 392 boolean mFoundPolicyFile; 393 394 // If a recursive restorecon of /data/data/<pkg> is needed. 395 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 396 397 public static final class SharedLibraryEntry { 398 public final String path; 399 public final String apk; 400 401 SharedLibraryEntry(String _path, String _apk) { 402 path = _path; 403 apk = _apk; 404 } 405 } 406 407 // Currently known shared libraries. 408 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 409 new ArrayMap<String, SharedLibraryEntry>(); 410 411 // All available activities, for your resolving pleasure. 412 final ActivityIntentResolver mActivities = 413 new ActivityIntentResolver(); 414 415 // All available receivers, for your resolving pleasure. 416 final ActivityIntentResolver mReceivers = 417 new ActivityIntentResolver(); 418 419 // All available services, for your resolving pleasure. 420 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 421 422 // All available providers, for your resolving pleasure. 423 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 424 425 // Mapping from provider base names (first directory in content URI codePath) 426 // to the provider information. 427 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 428 new ArrayMap<String, PackageParser.Provider>(); 429 430 // Mapping from instrumentation class names to info about them. 431 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 432 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 433 434 // Mapping from permission names to info about them. 435 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 436 new ArrayMap<String, PackageParser.PermissionGroup>(); 437 438 // Packages whose data we have transfered into another package, thus 439 // should no longer exist. 440 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 441 442 // Broadcast actions that are only available to the system. 443 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 444 445 /** List of packages waiting for verification. */ 446 final SparseArray<PackageVerificationState> mPendingVerification 447 = new SparseArray<PackageVerificationState>(); 448 449 /** Set of packages associated with each app op permission. */ 450 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 451 452 final PackageInstallerService mInstallerService; 453 454 ArraySet<PackageParser.Package> mDeferredDexOpt = null; 455 456 // Cache of users who need badging. 457 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 458 459 /** Token for keys in mPendingVerification. */ 460 private int mPendingVerificationToken = 0; 461 462 volatile boolean mSystemReady; 463 volatile boolean mSafeMode; 464 volatile boolean mHasSystemUidErrors; 465 466 ApplicationInfo mAndroidApplication; 467 final ActivityInfo mResolveActivity = new ActivityInfo(); 468 final ResolveInfo mResolveInfo = new ResolveInfo(); 469 ComponentName mResolveComponentName; 470 PackageParser.Package mPlatformPackage; 471 ComponentName mCustomResolverComponentName; 472 473 boolean mResolverReplaced = false; 474 475 // Set of pending broadcasts for aggregating enable/disable of components. 476 static class PendingPackageBroadcasts { 477 // for each user id, a map of <package name -> components within that package> 478 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 479 480 public PendingPackageBroadcasts() { 481 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 482 } 483 484 public ArrayList<String> get(int userId, String packageName) { 485 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 486 return packages.get(packageName); 487 } 488 489 public void put(int userId, String packageName, ArrayList<String> components) { 490 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 491 packages.put(packageName, components); 492 } 493 494 public void remove(int userId, String packageName) { 495 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 496 if (packages != null) { 497 packages.remove(packageName); 498 } 499 } 500 501 public void remove(int userId) { 502 mUidMap.remove(userId); 503 } 504 505 public int userIdCount() { 506 return mUidMap.size(); 507 } 508 509 public int userIdAt(int n) { 510 return mUidMap.keyAt(n); 511 } 512 513 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 514 return mUidMap.get(userId); 515 } 516 517 public int size() { 518 // total number of pending broadcast entries across all userIds 519 int num = 0; 520 for (int i = 0; i< mUidMap.size(); i++) { 521 num += mUidMap.valueAt(i).size(); 522 } 523 return num; 524 } 525 526 public void clear() { 527 mUidMap.clear(); 528 } 529 530 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 531 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 532 if (map == null) { 533 map = new ArrayMap<String, ArrayList<String>>(); 534 mUidMap.put(userId, map); 535 } 536 return map; 537 } 538 } 539 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 540 541 // Service Connection to remote media container service to copy 542 // package uri's from external media onto secure containers 543 // or internal storage. 544 private IMediaContainerService mContainerService = null; 545 546 static final int SEND_PENDING_BROADCAST = 1; 547 static final int MCS_BOUND = 3; 548 static final int END_COPY = 4; 549 static final int INIT_COPY = 5; 550 static final int MCS_UNBIND = 6; 551 static final int START_CLEANING_PACKAGE = 7; 552 static final int FIND_INSTALL_LOC = 8; 553 static final int POST_INSTALL = 9; 554 static final int MCS_RECONNECT = 10; 555 static final int MCS_GIVE_UP = 11; 556 static final int UPDATED_MEDIA_STATUS = 12; 557 static final int WRITE_SETTINGS = 13; 558 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 559 static final int PACKAGE_VERIFIED = 15; 560 static final int CHECK_PENDING_VERIFICATION = 16; 561 562 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 563 564 // Delay time in millisecs 565 static final int BROADCAST_DELAY = 10 * 1000; 566 567 static UserManagerService sUserManager; 568 569 // Stores a list of users whose package restrictions file needs to be updated 570 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 571 572 final private DefaultContainerConnection mDefContainerConn = 573 new DefaultContainerConnection(); 574 class DefaultContainerConnection implements ServiceConnection { 575 public void onServiceConnected(ComponentName name, IBinder service) { 576 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 577 IMediaContainerService imcs = 578 IMediaContainerService.Stub.asInterface(service); 579 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 580 } 581 582 public void onServiceDisconnected(ComponentName name) { 583 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 584 } 585 }; 586 587 // Recordkeeping of restore-after-install operations that are currently in flight 588 // between the Package Manager and the Backup Manager 589 class PostInstallData { 590 public InstallArgs args; 591 public PackageInstalledInfo res; 592 593 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 594 args = _a; 595 res = _r; 596 } 597 }; 598 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 599 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 600 601 private final String mRequiredVerifierPackage; 602 603 private final PackageUsage mPackageUsage = new PackageUsage(); 604 605 private class PackageUsage { 606 private static final int WRITE_INTERVAL 607 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 608 609 private final Object mFileLock = new Object(); 610 private final AtomicLong mLastWritten = new AtomicLong(0); 611 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 612 613 private boolean mIsHistoricalPackageUsageAvailable = true; 614 615 boolean isHistoricalPackageUsageAvailable() { 616 return mIsHistoricalPackageUsageAvailable; 617 } 618 619 void write(boolean force) { 620 if (force) { 621 writeInternal(); 622 return; 623 } 624 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 625 && !DEBUG_DEXOPT) { 626 return; 627 } 628 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 629 new Thread("PackageUsage_DiskWriter") { 630 @Override 631 public void run() { 632 try { 633 writeInternal(); 634 } finally { 635 mBackgroundWriteRunning.set(false); 636 } 637 } 638 }.start(); 639 } 640 } 641 642 private void writeInternal() { 643 synchronized (mPackages) { 644 synchronized (mFileLock) { 645 AtomicFile file = getFile(); 646 FileOutputStream f = null; 647 try { 648 f = file.startWrite(); 649 BufferedOutputStream out = new BufferedOutputStream(f); 650 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 651 StringBuilder sb = new StringBuilder(); 652 for (PackageParser.Package pkg : mPackages.values()) { 653 if (pkg.mLastPackageUsageTimeInMills == 0) { 654 continue; 655 } 656 sb.setLength(0); 657 sb.append(pkg.packageName); 658 sb.append(' '); 659 sb.append((long)pkg.mLastPackageUsageTimeInMills); 660 sb.append('\n'); 661 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 662 } 663 out.flush(); 664 file.finishWrite(f); 665 } catch (IOException e) { 666 if (f != null) { 667 file.failWrite(f); 668 } 669 Log.e(TAG, "Failed to write package usage times", e); 670 } 671 } 672 } 673 mLastWritten.set(SystemClock.elapsedRealtime()); 674 } 675 676 void readLP() { 677 synchronized (mFileLock) { 678 AtomicFile file = getFile(); 679 BufferedInputStream in = null; 680 try { 681 in = new BufferedInputStream(file.openRead()); 682 StringBuffer sb = new StringBuffer(); 683 while (true) { 684 String packageName = readToken(in, sb, ' '); 685 if (packageName == null) { 686 break; 687 } 688 String timeInMillisString = readToken(in, sb, '\n'); 689 if (timeInMillisString == null) { 690 throw new IOException("Failed to find last usage time for package " 691 + packageName); 692 } 693 PackageParser.Package pkg = mPackages.get(packageName); 694 if (pkg == null) { 695 continue; 696 } 697 long timeInMillis; 698 try { 699 timeInMillis = Long.parseLong(timeInMillisString.toString()); 700 } catch (NumberFormatException e) { 701 throw new IOException("Failed to parse " + timeInMillisString 702 + " as a long.", e); 703 } 704 pkg.mLastPackageUsageTimeInMills = timeInMillis; 705 } 706 } catch (FileNotFoundException expected) { 707 mIsHistoricalPackageUsageAvailable = false; 708 } catch (IOException e) { 709 Log.w(TAG, "Failed to read package usage times", e); 710 } finally { 711 IoUtils.closeQuietly(in); 712 } 713 } 714 mLastWritten.set(SystemClock.elapsedRealtime()); 715 } 716 717 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 718 throws IOException { 719 sb.setLength(0); 720 while (true) { 721 int ch = in.read(); 722 if (ch == -1) { 723 if (sb.length() == 0) { 724 return null; 725 } 726 throw new IOException("Unexpected EOF"); 727 } 728 if (ch == endOfToken) { 729 return sb.toString(); 730 } 731 sb.append((char)ch); 732 } 733 } 734 735 private AtomicFile getFile() { 736 File dataDir = Environment.getDataDirectory(); 737 File systemDir = new File(dataDir, "system"); 738 File fname = new File(systemDir, "package-usage.list"); 739 return new AtomicFile(fname); 740 } 741 } 742 743 class PackageHandler extends Handler { 744 private boolean mBound = false; 745 final ArrayList<HandlerParams> mPendingInstalls = 746 new ArrayList<HandlerParams>(); 747 748 private boolean connectToService() { 749 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 750 " DefaultContainerService"); 751 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 752 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 753 if (mContext.bindServiceAsUser(service, mDefContainerConn, 754 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 755 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 756 mBound = true; 757 return true; 758 } 759 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 760 return false; 761 } 762 763 private void disconnectService() { 764 mContainerService = null; 765 mBound = false; 766 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 767 mContext.unbindService(mDefContainerConn); 768 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 769 } 770 771 PackageHandler(Looper looper) { 772 super(looper); 773 } 774 775 public void handleMessage(Message msg) { 776 try { 777 doHandleMessage(msg); 778 } finally { 779 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 780 } 781 } 782 783 void doHandleMessage(Message msg) { 784 switch (msg.what) { 785 case INIT_COPY: { 786 HandlerParams params = (HandlerParams) msg.obj; 787 int idx = mPendingInstalls.size(); 788 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 789 // If a bind was already initiated we dont really 790 // need to do anything. The pending install 791 // will be processed later on. 792 if (!mBound) { 793 // If this is the only one pending we might 794 // have to bind to the service again. 795 if (!connectToService()) { 796 Slog.e(TAG, "Failed to bind to media container service"); 797 params.serviceError(); 798 return; 799 } else { 800 // Once we bind to the service, the first 801 // pending request will be processed. 802 mPendingInstalls.add(idx, params); 803 } 804 } else { 805 mPendingInstalls.add(idx, params); 806 // Already bound to the service. Just make 807 // sure we trigger off processing the first request. 808 if (idx == 0) { 809 mHandler.sendEmptyMessage(MCS_BOUND); 810 } 811 } 812 break; 813 } 814 case MCS_BOUND: { 815 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 816 if (msg.obj != null) { 817 mContainerService = (IMediaContainerService) msg.obj; 818 } 819 if (mContainerService == null) { 820 // Something seriously wrong. Bail out 821 Slog.e(TAG, "Cannot bind to media container service"); 822 for (HandlerParams params : mPendingInstalls) { 823 // Indicate service bind error 824 params.serviceError(); 825 } 826 mPendingInstalls.clear(); 827 } else if (mPendingInstalls.size() > 0) { 828 HandlerParams params = mPendingInstalls.get(0); 829 if (params != null) { 830 if (params.startCopy()) { 831 // We are done... look for more work or to 832 // go idle. 833 if (DEBUG_SD_INSTALL) Log.i(TAG, 834 "Checking for more work or unbind..."); 835 // Delete pending install 836 if (mPendingInstalls.size() > 0) { 837 mPendingInstalls.remove(0); 838 } 839 if (mPendingInstalls.size() == 0) { 840 if (mBound) { 841 if (DEBUG_SD_INSTALL) Log.i(TAG, 842 "Posting delayed MCS_UNBIND"); 843 removeMessages(MCS_UNBIND); 844 Message ubmsg = obtainMessage(MCS_UNBIND); 845 // Unbind after a little delay, to avoid 846 // continual thrashing. 847 sendMessageDelayed(ubmsg, 10000); 848 } 849 } else { 850 // There are more pending requests in queue. 851 // Just post MCS_BOUND message to trigger processing 852 // of next pending install. 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting MCS_BOUND for next work"); 855 mHandler.sendEmptyMessage(MCS_BOUND); 856 } 857 } 858 } 859 } else { 860 // Should never happen ideally. 861 Slog.w(TAG, "Empty queue"); 862 } 863 break; 864 } 865 case MCS_RECONNECT: { 866 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 867 if (mPendingInstalls.size() > 0) { 868 if (mBound) { 869 disconnectService(); 870 } 871 if (!connectToService()) { 872 Slog.e(TAG, "Failed to bind to media container service"); 873 for (HandlerParams params : mPendingInstalls) { 874 // Indicate service bind error 875 params.serviceError(); 876 } 877 mPendingInstalls.clear(); 878 } 879 } 880 break; 881 } 882 case MCS_UNBIND: { 883 // If there is no actual work left, then time to unbind. 884 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 885 886 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 887 if (mBound) { 888 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 889 890 disconnectService(); 891 } 892 } else if (mPendingInstalls.size() > 0) { 893 // There are more pending requests in queue. 894 // Just post MCS_BOUND message to trigger processing 895 // of next pending install. 896 mHandler.sendEmptyMessage(MCS_BOUND); 897 } 898 899 break; 900 } 901 case MCS_GIVE_UP: { 902 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 903 mPendingInstalls.remove(0); 904 break; 905 } 906 case SEND_PENDING_BROADCAST: { 907 String packages[]; 908 ArrayList<String> components[]; 909 int size = 0; 910 int uids[]; 911 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 912 synchronized (mPackages) { 913 if (mPendingBroadcasts == null) { 914 return; 915 } 916 size = mPendingBroadcasts.size(); 917 if (size <= 0) { 918 // Nothing to be done. Just return 919 return; 920 } 921 packages = new String[size]; 922 components = new ArrayList[size]; 923 uids = new int[size]; 924 int i = 0; // filling out the above arrays 925 926 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 927 int packageUserId = mPendingBroadcasts.userIdAt(n); 928 Iterator<Map.Entry<String, ArrayList<String>>> it 929 = mPendingBroadcasts.packagesForUserId(packageUserId) 930 .entrySet().iterator(); 931 while (it.hasNext() && i < size) { 932 Map.Entry<String, ArrayList<String>> ent = it.next(); 933 packages[i] = ent.getKey(); 934 components[i] = ent.getValue(); 935 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 936 uids[i] = (ps != null) 937 ? UserHandle.getUid(packageUserId, ps.appId) 938 : -1; 939 i++; 940 } 941 } 942 size = i; 943 mPendingBroadcasts.clear(); 944 } 945 // Send broadcasts 946 for (int i = 0; i < size; i++) { 947 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 948 } 949 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 950 break; 951 } 952 case START_CLEANING_PACKAGE: { 953 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 954 final String packageName = (String)msg.obj; 955 final int userId = msg.arg1; 956 final boolean andCode = msg.arg2 != 0; 957 synchronized (mPackages) { 958 if (userId == UserHandle.USER_ALL) { 959 int[] users = sUserManager.getUserIds(); 960 for (int user : users) { 961 mSettings.addPackageToCleanLPw( 962 new PackageCleanItem(user, packageName, andCode)); 963 } 964 } else { 965 mSettings.addPackageToCleanLPw( 966 new PackageCleanItem(userId, packageName, andCode)); 967 } 968 } 969 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 970 startCleaningPackages(); 971 } break; 972 case POST_INSTALL: { 973 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 974 PostInstallData data = mRunningInstalls.get(msg.arg1); 975 mRunningInstalls.delete(msg.arg1); 976 boolean deleteOld = false; 977 978 if (data != null) { 979 InstallArgs args = data.args; 980 PackageInstalledInfo res = data.res; 981 982 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 983 res.removedInfo.sendBroadcast(false, true, false); 984 Bundle extras = new Bundle(1); 985 extras.putInt(Intent.EXTRA_UID, res.uid); 986 // Determine the set of users who are adding this 987 // package for the first time vs. those who are seeing 988 // an update. 989 int[] firstUsers; 990 int[] updateUsers = new int[0]; 991 if (res.origUsers == null || res.origUsers.length == 0) { 992 firstUsers = res.newUsers; 993 } else { 994 firstUsers = new int[0]; 995 for (int i=0; i<res.newUsers.length; i++) { 996 int user = res.newUsers[i]; 997 boolean isNew = true; 998 for (int j=0; j<res.origUsers.length; j++) { 999 if (res.origUsers[j] == user) { 1000 isNew = false; 1001 break; 1002 } 1003 } 1004 if (isNew) { 1005 int[] newFirst = new int[firstUsers.length+1]; 1006 System.arraycopy(firstUsers, 0, newFirst, 0, 1007 firstUsers.length); 1008 newFirst[firstUsers.length] = user; 1009 firstUsers = newFirst; 1010 } else { 1011 int[] newUpdate = new int[updateUsers.length+1]; 1012 System.arraycopy(updateUsers, 0, newUpdate, 0, 1013 updateUsers.length); 1014 newUpdate[updateUsers.length] = user; 1015 updateUsers = newUpdate; 1016 } 1017 } 1018 } 1019 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1020 res.pkg.applicationInfo.packageName, 1021 extras, null, null, firstUsers); 1022 final boolean update = res.removedInfo.removedPackage != null; 1023 if (update) { 1024 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1025 } 1026 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1027 res.pkg.applicationInfo.packageName, 1028 extras, null, null, updateUsers); 1029 if (update) { 1030 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1031 res.pkg.applicationInfo.packageName, 1032 extras, null, null, updateUsers); 1033 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1034 null, null, 1035 res.pkg.applicationInfo.packageName, null, updateUsers); 1036 1037 // treat asec-hosted packages like removable media on upgrade 1038 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1039 if (DEBUG_INSTALL) { 1040 Slog.i(TAG, "upgrading pkg " + res.pkg 1041 + " is ASEC-hosted -> AVAILABLE"); 1042 } 1043 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1044 ArrayList<String> pkgList = new ArrayList<String>(1); 1045 pkgList.add(res.pkg.applicationInfo.packageName); 1046 sendResourcesChangedBroadcast(true, true, 1047 pkgList,uidArray, null); 1048 } 1049 } 1050 if (res.removedInfo.args != null) { 1051 // Remove the replaced package's older resources safely now 1052 deleteOld = true; 1053 } 1054 1055 // Log current value of "unknown sources" setting 1056 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1057 getUnknownSourcesSettings()); 1058 } 1059 // Force a gc to clear up things 1060 Runtime.getRuntime().gc(); 1061 // We delete after a gc for applications on sdcard. 1062 if (deleteOld) { 1063 synchronized (mInstallLock) { 1064 res.removedInfo.args.doPostDeleteLI(true); 1065 } 1066 } 1067 if (args.observer != null) { 1068 try { 1069 Bundle extras = extrasForInstallResult(res); 1070 args.observer.onPackageInstalled(res.name, res.returnCode, 1071 res.returnMsg, extras); 1072 } catch (RemoteException e) { 1073 Slog.i(TAG, "Observer no longer exists."); 1074 } 1075 } 1076 } else { 1077 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1078 } 1079 } break; 1080 case UPDATED_MEDIA_STATUS: { 1081 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1082 boolean reportStatus = msg.arg1 == 1; 1083 boolean doGc = msg.arg2 == 1; 1084 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1085 if (doGc) { 1086 // Force a gc to clear up stale containers. 1087 Runtime.getRuntime().gc(); 1088 } 1089 if (msg.obj != null) { 1090 @SuppressWarnings("unchecked") 1091 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1092 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1093 // Unload containers 1094 unloadAllContainers(args); 1095 } 1096 if (reportStatus) { 1097 try { 1098 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1099 PackageHelper.getMountService().finishMediaUpdate(); 1100 } catch (RemoteException e) { 1101 Log.e(TAG, "MountService not running?"); 1102 } 1103 } 1104 } break; 1105 case WRITE_SETTINGS: { 1106 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1107 synchronized (mPackages) { 1108 removeMessages(WRITE_SETTINGS); 1109 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1110 mSettings.writeLPr(); 1111 mDirtyUsers.clear(); 1112 } 1113 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1114 } break; 1115 case WRITE_PACKAGE_RESTRICTIONS: { 1116 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1117 synchronized (mPackages) { 1118 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1119 for (int userId : mDirtyUsers) { 1120 mSettings.writePackageRestrictionsLPr(userId); 1121 } 1122 mDirtyUsers.clear(); 1123 } 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1125 } break; 1126 case CHECK_PENDING_VERIFICATION: { 1127 final int verificationId = msg.arg1; 1128 final PackageVerificationState state = mPendingVerification.get(verificationId); 1129 1130 if ((state != null) && !state.timeoutExtended()) { 1131 final InstallArgs args = state.getInstallArgs(); 1132 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1133 1134 Slog.i(TAG, "Verification timed out for " + originUri); 1135 mPendingVerification.remove(verificationId); 1136 1137 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1138 1139 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1140 Slog.i(TAG, "Continuing with installation of " + originUri); 1141 state.setVerifierResponse(Binder.getCallingUid(), 1142 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1143 broadcastPackageVerified(verificationId, originUri, 1144 PackageManager.VERIFICATION_ALLOW, 1145 state.getInstallArgs().getUser()); 1146 try { 1147 ret = args.copyApk(mContainerService, true); 1148 } catch (RemoteException e) { 1149 Slog.e(TAG, "Could not contact the ContainerService"); 1150 } 1151 } else { 1152 broadcastPackageVerified(verificationId, originUri, 1153 PackageManager.VERIFICATION_REJECT, 1154 state.getInstallArgs().getUser()); 1155 } 1156 1157 processPendingInstall(args, ret); 1158 mHandler.sendEmptyMessage(MCS_UNBIND); 1159 } 1160 break; 1161 } 1162 case PACKAGE_VERIFIED: { 1163 final int verificationId = msg.arg1; 1164 1165 final PackageVerificationState state = mPendingVerification.get(verificationId); 1166 if (state == null) { 1167 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1168 break; 1169 } 1170 1171 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1172 1173 state.setVerifierResponse(response.callerUid, response.code); 1174 1175 if (state.isVerificationComplete()) { 1176 mPendingVerification.remove(verificationId); 1177 1178 final InstallArgs args = state.getInstallArgs(); 1179 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1180 1181 int ret; 1182 if (state.isInstallAllowed()) { 1183 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1184 broadcastPackageVerified(verificationId, originUri, 1185 response.code, state.getInstallArgs().getUser()); 1186 try { 1187 ret = args.copyApk(mContainerService, true); 1188 } catch (RemoteException e) { 1189 Slog.e(TAG, "Could not contact the ContainerService"); 1190 } 1191 } else { 1192 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1193 } 1194 1195 processPendingInstall(args, ret); 1196 1197 mHandler.sendEmptyMessage(MCS_UNBIND); 1198 } 1199 1200 break; 1201 } 1202 } 1203 } 1204 } 1205 1206 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1207 Bundle extras = null; 1208 switch (res.returnCode) { 1209 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1210 extras = new Bundle(); 1211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1212 res.origPermission); 1213 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1214 res.origPackage); 1215 break; 1216 } 1217 } 1218 return extras; 1219 } 1220 1221 void scheduleWriteSettingsLocked() { 1222 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1223 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1224 } 1225 } 1226 1227 void scheduleWritePackageRestrictionsLocked(int userId) { 1228 if (!sUserManager.exists(userId)) return; 1229 mDirtyUsers.add(userId); 1230 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1231 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1232 } 1233 } 1234 1235 public static final PackageManagerService main(Context context, Installer installer, 1236 boolean factoryTest, boolean onlyCore) { 1237 PackageManagerService m = new PackageManagerService(context, installer, 1238 factoryTest, onlyCore); 1239 ServiceManager.addService("package", m); 1240 return m; 1241 } 1242 1243 static String[] splitString(String str, char sep) { 1244 int count = 1; 1245 int i = 0; 1246 while ((i=str.indexOf(sep, i)) >= 0) { 1247 count++; 1248 i++; 1249 } 1250 1251 String[] res = new String[count]; 1252 i=0; 1253 count = 0; 1254 int lastI=0; 1255 while ((i=str.indexOf(sep, i)) >= 0) { 1256 res[count] = str.substring(lastI, i); 1257 count++; 1258 i++; 1259 lastI = i; 1260 } 1261 res[count] = str.substring(lastI, str.length()); 1262 return res; 1263 } 1264 1265 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1266 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1267 Context.DISPLAY_SERVICE); 1268 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1269 } 1270 1271 public PackageManagerService(Context context, Installer installer, 1272 boolean factoryTest, boolean onlyCore) { 1273 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1274 SystemClock.uptimeMillis()); 1275 1276 if (mSdkVersion <= 0) { 1277 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1278 } 1279 1280 mContext = context; 1281 mFactoryTest = factoryTest; 1282 mOnlyCore = onlyCore; 1283 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1284 mMetrics = new DisplayMetrics(); 1285 mSettings = new Settings(context); 1286 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1295 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1296 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1297 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1298 1299 // TODO: add a property to control this? 1300 long dexOptLRUThresholdInMinutes; 1301 if (mLazyDexOpt) { 1302 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1303 } else { 1304 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1305 } 1306 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1307 1308 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1309 if (separateProcesses != null && separateProcesses.length() > 0) { 1310 if ("*".equals(separateProcesses)) { 1311 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1312 mSeparateProcesses = null; 1313 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1314 } else { 1315 mDefParseFlags = 0; 1316 mSeparateProcesses = separateProcesses.split(","); 1317 Slog.w(TAG, "Running with debug.separate_processes: " 1318 + separateProcesses); 1319 } 1320 } else { 1321 mDefParseFlags = 0; 1322 mSeparateProcesses = null; 1323 } 1324 1325 mInstaller = installer; 1326 1327 getDefaultDisplayMetrics(context, mMetrics); 1328 1329 SystemConfig systemConfig = SystemConfig.getInstance(); 1330 mGlobalGids = systemConfig.getGlobalGids(); 1331 mSystemPermissions = systemConfig.getSystemPermissions(); 1332 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1333 1334 synchronized (mInstallLock) { 1335 // writer 1336 synchronized (mPackages) { 1337 mHandlerThread = new ServiceThread(TAG, 1338 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1339 mHandlerThread.start(); 1340 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1341 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1342 1343 File dataDir = Environment.getDataDirectory(); 1344 mAppDataDir = new File(dataDir, "data"); 1345 mAppInstallDir = new File(dataDir, "app"); 1346 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1347 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1348 mUserAppDataDir = new File(dataDir, "user"); 1349 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1350 1351 sUserManager = new UserManagerService(context, this, 1352 mInstallLock, mPackages); 1353 1354 // Propagate permission configuration in to package manager. 1355 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1356 = systemConfig.getPermissions(); 1357 for (int i=0; i<permConfig.size(); i++) { 1358 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1359 BasePermission bp = mSettings.mPermissions.get(perm.name); 1360 if (bp == null) { 1361 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1362 mSettings.mPermissions.put(perm.name, bp); 1363 } 1364 if (perm.gids != null) { 1365 bp.gids = appendInts(bp.gids, perm.gids); 1366 } 1367 } 1368 1369 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1370 for (int i=0; i<libConfig.size(); i++) { 1371 mSharedLibraries.put(libConfig.keyAt(i), 1372 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1373 } 1374 1375 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1376 1377 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1378 mSdkVersion, mOnlyCore); 1379 1380 String customResolverActivity = Resources.getSystem().getString( 1381 R.string.config_customResolverActivity); 1382 if (TextUtils.isEmpty(customResolverActivity)) { 1383 customResolverActivity = null; 1384 } else { 1385 mCustomResolverComponentName = ComponentName.unflattenFromString( 1386 customResolverActivity); 1387 } 1388 1389 long startTime = SystemClock.uptimeMillis(); 1390 1391 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1392 startTime); 1393 1394 // Set flag to monitor and not change apk file paths when 1395 // scanning install directories. 1396 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1397 1398 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1399 1400 /** 1401 * Add everything in the in the boot class path to the 1402 * list of process files because dexopt will have been run 1403 * if necessary during zygote startup. 1404 */ 1405 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1406 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1407 1408 if (bootClassPath != null) { 1409 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1410 for (String element : bootClassPathElements) { 1411 alreadyDexOpted.add(element); 1412 } 1413 } else { 1414 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1415 } 1416 1417 if (systemServerClassPath != null) { 1418 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1419 for (String element : systemServerClassPathElements) { 1420 alreadyDexOpted.add(element); 1421 } 1422 } else { 1423 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1424 } 1425 1426 final List<String> allInstructionSets = getAllInstructionSets(); 1427 final String[] dexCodeInstructionSets = 1428 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1429 1430 /** 1431 * Ensure all external libraries have had dexopt run on them. 1432 */ 1433 if (mSharedLibraries.size() > 0) { 1434 // NOTE: For now, we're compiling these system "shared libraries" 1435 // (and framework jars) into all available architectures. It's possible 1436 // to compile them only when we come across an app that uses them (there's 1437 // already logic for that in scanPackageLI) but that adds some complexity. 1438 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1439 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1440 final String lib = libEntry.path; 1441 if (lib == null) { 1442 continue; 1443 } 1444 1445 try { 1446 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1447 dexCodeInstructionSet, 1448 false); 1449 if (dexoptRequired != DexFile.UP_TO_DATE) { 1450 alreadyDexOpted.add(lib); 1451 1452 // The list of "shared libraries" we have at this point is 1453 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1454 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1455 } else { 1456 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1457 } 1458 } 1459 } catch (FileNotFoundException e) { 1460 Slog.w(TAG, "Library not found: " + lib); 1461 } catch (IOException e) { 1462 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1463 + e.getMessage()); 1464 } 1465 } 1466 } 1467 } 1468 1469 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1470 1471 // Gross hack for now: we know this file doesn't contain any 1472 // code, so don't dexopt it to avoid the resulting log spew. 1473 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1474 1475 // Gross hack for now: we know this file is only part of 1476 // the boot class path for art, so don't dexopt it to 1477 // avoid the resulting log spew. 1478 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1479 1480 /** 1481 * And there are a number of commands implemented in Java, which 1482 * we currently need to do the dexopt on so that they can be 1483 * run from a non-root shell. 1484 */ 1485 String[] frameworkFiles = frameworkDir.list(); 1486 if (frameworkFiles != null) { 1487 // TODO: We could compile these only for the most preferred ABI. We should 1488 // first double check that the dex files for these commands are not referenced 1489 // by other system apps. 1490 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1491 for (int i=0; i<frameworkFiles.length; i++) { 1492 File libPath = new File(frameworkDir, frameworkFiles[i]); 1493 String path = libPath.getPath(); 1494 // Skip the file if we already did it. 1495 if (alreadyDexOpted.contains(path)) { 1496 continue; 1497 } 1498 // Skip the file if it is not a type we want to dexopt. 1499 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1500 continue; 1501 } 1502 try { 1503 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1504 dexCodeInstructionSet, 1505 false); 1506 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1507 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1508 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1509 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1510 } 1511 } catch (FileNotFoundException e) { 1512 Slog.w(TAG, "Jar not found: " + path); 1513 } catch (IOException e) { 1514 Slog.w(TAG, "Exception reading jar: " + path, e); 1515 } 1516 } 1517 } 1518 } 1519 1520 // Collect vendor overlay packages. 1521 // (Do this before scanning any apps.) 1522 // For security and version matching reason, only consider 1523 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1524 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1525 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1526 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1527 1528 // Find base frameworks (resource packages without code). 1529 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1530 | PackageParser.PARSE_IS_SYSTEM_DIR 1531 | PackageParser.PARSE_IS_PRIVILEGED, 1532 scanFlags | SCAN_NO_DEX, 0); 1533 1534 // Collected privileged system packages. 1535 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1536 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1537 | PackageParser.PARSE_IS_SYSTEM_DIR 1538 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1539 1540 // Collect ordinary system packages. 1541 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1542 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1543 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1544 1545 // Collect all vendor packages. 1546 File vendorAppDir = new File("/vendor/app"); 1547 try { 1548 vendorAppDir = vendorAppDir.getCanonicalFile(); 1549 } catch (IOException e) { 1550 // failed to look up canonical path, continue with original one 1551 } 1552 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1553 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1554 1555 // Collect all OEM packages. 1556 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1557 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1558 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1559 1560 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1561 mInstaller.moveFiles(); 1562 1563 // Prune any system packages that no longer exist. 1564 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1565 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1566 if (!mOnlyCore) { 1567 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1568 while (psit.hasNext()) { 1569 PackageSetting ps = psit.next(); 1570 1571 /* 1572 * If this is not a system app, it can't be a 1573 * disable system app. 1574 */ 1575 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1576 continue; 1577 } 1578 1579 /* 1580 * If the package is scanned, it's not erased. 1581 */ 1582 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1583 if (scannedPkg != null) { 1584 /* 1585 * If the system app is both scanned and in the 1586 * disabled packages list, then it must have been 1587 * added via OTA. Remove it from the currently 1588 * scanned package so the previously user-installed 1589 * application can be scanned. 1590 */ 1591 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1592 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1593 + ps.name + "; removing system app. Last known codePath=" 1594 + ps.codePathString + ", installStatus=" + ps.installStatus 1595 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1596 + scannedPkg.mVersionCode); 1597 removePackageLI(ps, true); 1598 expectingBetter.put(ps.name, ps.codePath); 1599 } 1600 1601 continue; 1602 } 1603 1604 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1605 psit.remove(); 1606 logCriticalInfo(Log.WARN, "System package " + ps.name 1607 + " no longer exists; wiping its data"); 1608 removeDataDirsLI(ps.name); 1609 } else { 1610 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1611 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1612 possiblyDeletedUpdatedSystemApps.add(ps.name); 1613 } 1614 } 1615 } 1616 } 1617 1618 //look for any incomplete package installations 1619 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1620 //clean up list 1621 for(int i = 0; i < deletePkgsList.size(); i++) { 1622 //clean up here 1623 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1624 } 1625 //delete tmp files 1626 deleteTempPackageFiles(); 1627 1628 // Remove any shared userIDs that have no associated packages 1629 mSettings.pruneSharedUsersLPw(); 1630 1631 if (!mOnlyCore) { 1632 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1633 SystemClock.uptimeMillis()); 1634 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1635 1636 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1637 scanFlags, 0); 1638 1639 /** 1640 * Remove disable package settings for any updated system 1641 * apps that were removed via an OTA. If they're not a 1642 * previously-updated app, remove them completely. 1643 * Otherwise, just revoke their system-level permissions. 1644 */ 1645 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1646 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1647 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1648 1649 String msg; 1650 if (deletedPkg == null) { 1651 msg = "Updated system package " + deletedAppName 1652 + " no longer exists; wiping its data"; 1653 removeDataDirsLI(deletedAppName); 1654 } else { 1655 msg = "Updated system app + " + deletedAppName 1656 + " no longer present; removing system privileges for " 1657 + deletedAppName; 1658 1659 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1660 1661 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1662 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1663 } 1664 logCriticalInfo(Log.WARN, msg); 1665 } 1666 1667 /** 1668 * Make sure all system apps that we expected to appear on 1669 * the userdata partition actually showed up. If they never 1670 * appeared, crawl back and revive the system version. 1671 */ 1672 for (int i = 0; i < expectingBetter.size(); i++) { 1673 final String packageName = expectingBetter.keyAt(i); 1674 if (!mPackages.containsKey(packageName)) { 1675 final File scanFile = expectingBetter.valueAt(i); 1676 1677 logCriticalInfo(Log.WARN, "Expected better " + packageName 1678 + " but never showed up; reverting to system"); 1679 1680 final int reparseFlags; 1681 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1682 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1683 | PackageParser.PARSE_IS_SYSTEM_DIR 1684 | PackageParser.PARSE_IS_PRIVILEGED; 1685 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1686 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1687 | PackageParser.PARSE_IS_SYSTEM_DIR; 1688 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1689 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1690 | PackageParser.PARSE_IS_SYSTEM_DIR; 1691 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1692 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1693 | PackageParser.PARSE_IS_SYSTEM_DIR; 1694 } else { 1695 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1696 continue; 1697 } 1698 1699 mSettings.enableSystemPackageLPw(packageName); 1700 1701 try { 1702 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1703 } catch (PackageManagerException e) { 1704 Slog.e(TAG, "Failed to parse original system package: " 1705 + e.getMessage()); 1706 } 1707 } 1708 } 1709 } 1710 1711 // Now that we know all of the shared libraries, update all clients to have 1712 // the correct library paths. 1713 updateAllSharedLibrariesLPw(); 1714 1715 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1716 // NOTE: We ignore potential failures here during a system scan (like 1717 // the rest of the commands above) because there's precious little we 1718 // can do about it. A settings error is reported, though. 1719 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1720 false /* force dexopt */, false /* defer dexopt */); 1721 } 1722 1723 // Now that we know all the packages we are keeping, 1724 // read and update their last usage times. 1725 mPackageUsage.readLP(); 1726 1727 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1728 SystemClock.uptimeMillis()); 1729 Slog.i(TAG, "Time to scan packages: " 1730 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1731 + " seconds"); 1732 1733 // If the platform SDK has changed since the last time we booted, 1734 // we need to re-grant app permission to catch any new ones that 1735 // appear. This is really a hack, and means that apps can in some 1736 // cases get permissions that the user didn't initially explicitly 1737 // allow... it would be nice to have some better way to handle 1738 // this situation. 1739 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1740 != mSdkVersion; 1741 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1742 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1743 + "; regranting permissions for internal storage"); 1744 mSettings.mInternalSdkPlatform = mSdkVersion; 1745 1746 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1747 | (regrantPermissions 1748 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1749 : 0)); 1750 1751 // If this is the first boot, and it is a normal boot, then 1752 // we need to initialize the default preferred apps. 1753 if (!mRestoredSettings && !onlyCore) { 1754 mSettings.readDefaultPreferredAppsLPw(this, 0); 1755 } 1756 1757 // If this is first boot after an OTA, and a normal boot, then 1758 // we need to clear code cache directories. 1759 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1760 if (mIsUpgrade && !onlyCore) { 1761 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1762 for (String pkgName : mSettings.mPackages.keySet()) { 1763 deleteCodeCacheDirsLI(pkgName); 1764 } 1765 mSettings.mFingerprint = Build.FINGERPRINT; 1766 } 1767 1768 // All the changes are done during package scanning. 1769 mSettings.updateInternalDatabaseVersion(); 1770 1771 // can downgrade to reader 1772 mSettings.writeLPr(); 1773 1774 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1775 SystemClock.uptimeMillis()); 1776 1777 1778 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1779 } // synchronized (mPackages) 1780 } // synchronized (mInstallLock) 1781 1782 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1783 1784 // Now after opening every single application zip, make sure they 1785 // are all flushed. Not really needed, but keeps things nice and 1786 // tidy. 1787 Runtime.getRuntime().gc(); 1788 } 1789 1790 @Override 1791 public boolean isFirstBoot() { 1792 return !mRestoredSettings; 1793 } 1794 1795 @Override 1796 public boolean isOnlyCoreApps() { 1797 return mOnlyCore; 1798 } 1799 1800 @Override 1801 public boolean isUpgrade() { 1802 return mIsUpgrade; 1803 } 1804 1805 private String getRequiredVerifierLPr() { 1806 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1807 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1808 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1809 1810 String requiredVerifier = null; 1811 1812 final int N = receivers.size(); 1813 for (int i = 0; i < N; i++) { 1814 final ResolveInfo info = receivers.get(i); 1815 1816 if (info.activityInfo == null) { 1817 continue; 1818 } 1819 1820 final String packageName = info.activityInfo.packageName; 1821 1822 final PackageSetting ps = mSettings.mPackages.get(packageName); 1823 if (ps == null) { 1824 continue; 1825 } 1826 1827 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1828 if (!gp.grantedPermissions 1829 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1830 continue; 1831 } 1832 1833 if (requiredVerifier != null) { 1834 throw new RuntimeException("There can be only one required verifier"); 1835 } 1836 1837 requiredVerifier = packageName; 1838 } 1839 1840 return requiredVerifier; 1841 } 1842 1843 @Override 1844 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1845 throws RemoteException { 1846 try { 1847 return super.onTransact(code, data, reply, flags); 1848 } catch (RuntimeException e) { 1849 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1850 Slog.wtf(TAG, "Package Manager Crash", e); 1851 } 1852 throw e; 1853 } 1854 } 1855 1856 void cleanupInstallFailedPackage(PackageSetting ps) { 1857 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1858 1859 removeDataDirsLI(ps.name); 1860 if (ps.codePath != null) { 1861 if (ps.codePath.isDirectory()) { 1862 FileUtils.deleteContents(ps.codePath); 1863 } 1864 ps.codePath.delete(); 1865 } 1866 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1867 if (ps.resourcePath.isDirectory()) { 1868 FileUtils.deleteContents(ps.resourcePath); 1869 } 1870 ps.resourcePath.delete(); 1871 } 1872 mSettings.removePackageLPw(ps.name); 1873 } 1874 1875 static int[] appendInts(int[] cur, int[] add) { 1876 if (add == null) return cur; 1877 if (cur == null) return add; 1878 final int N = add.length; 1879 for (int i=0; i<N; i++) { 1880 cur = appendInt(cur, add[i]); 1881 } 1882 return cur; 1883 } 1884 1885 static int[] removeInts(int[] cur, int[] rem) { 1886 if (rem == null) return cur; 1887 if (cur == null) return cur; 1888 final int N = rem.length; 1889 for (int i=0; i<N; i++) { 1890 cur = removeInt(cur, rem[i]); 1891 } 1892 return cur; 1893 } 1894 1895 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1896 if (!sUserManager.exists(userId)) return null; 1897 final PackageSetting ps = (PackageSetting) p.mExtras; 1898 if (ps == null) { 1899 return null; 1900 } 1901 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1902 final PackageUserState state = ps.readUserState(userId); 1903 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1904 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1905 state, userId); 1906 } 1907 1908 @Override 1909 public boolean isPackageAvailable(String packageName, int userId) { 1910 if (!sUserManager.exists(userId)) return false; 1911 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1912 synchronized (mPackages) { 1913 PackageParser.Package p = mPackages.get(packageName); 1914 if (p != null) { 1915 final PackageSetting ps = (PackageSetting) p.mExtras; 1916 if (ps != null) { 1917 final PackageUserState state = ps.readUserState(userId); 1918 if (state != null) { 1919 return PackageParser.isAvailable(state); 1920 } 1921 } 1922 } 1923 } 1924 return false; 1925 } 1926 1927 @Override 1928 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1929 if (!sUserManager.exists(userId)) return null; 1930 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1931 // reader 1932 synchronized (mPackages) { 1933 PackageParser.Package p = mPackages.get(packageName); 1934 if (DEBUG_PACKAGE_INFO) 1935 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1936 if (p != null) { 1937 return generatePackageInfo(p, flags, userId); 1938 } 1939 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1940 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1941 } 1942 } 1943 return null; 1944 } 1945 1946 @Override 1947 public String[] currentToCanonicalPackageNames(String[] names) { 1948 String[] out = new String[names.length]; 1949 // reader 1950 synchronized (mPackages) { 1951 for (int i=names.length-1; i>=0; i--) { 1952 PackageSetting ps = mSettings.mPackages.get(names[i]); 1953 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1954 } 1955 } 1956 return out; 1957 } 1958 1959 @Override 1960 public String[] canonicalToCurrentPackageNames(String[] names) { 1961 String[] out = new String[names.length]; 1962 // reader 1963 synchronized (mPackages) { 1964 for (int i=names.length-1; i>=0; i--) { 1965 String cur = mSettings.mRenamedPackages.get(names[i]); 1966 out[i] = cur != null ? cur : names[i]; 1967 } 1968 } 1969 return out; 1970 } 1971 1972 @Override 1973 public int getPackageUid(String packageName, int userId) { 1974 if (!sUserManager.exists(userId)) return -1; 1975 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1976 // reader 1977 synchronized (mPackages) { 1978 PackageParser.Package p = mPackages.get(packageName); 1979 if(p != null) { 1980 return UserHandle.getUid(userId, p.applicationInfo.uid); 1981 } 1982 PackageSetting ps = mSettings.mPackages.get(packageName); 1983 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1984 return -1; 1985 } 1986 p = ps.pkg; 1987 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1988 } 1989 } 1990 1991 @Override 1992 public int[] getPackageGids(String packageName) { 1993 // reader 1994 synchronized (mPackages) { 1995 PackageParser.Package p = mPackages.get(packageName); 1996 if (DEBUG_PACKAGE_INFO) 1997 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1998 if (p != null) { 1999 final PackageSetting ps = (PackageSetting)p.mExtras; 2000 return ps.getGids(); 2001 } 2002 } 2003 // stupid thing to indicate an error. 2004 return new int[0]; 2005 } 2006 2007 static final PermissionInfo generatePermissionInfo( 2008 BasePermission bp, int flags) { 2009 if (bp.perm != null) { 2010 return PackageParser.generatePermissionInfo(bp.perm, flags); 2011 } 2012 PermissionInfo pi = new PermissionInfo(); 2013 pi.name = bp.name; 2014 pi.packageName = bp.sourcePackage; 2015 pi.nonLocalizedLabel = bp.name; 2016 pi.protectionLevel = bp.protectionLevel; 2017 return pi; 2018 } 2019 2020 @Override 2021 public PermissionInfo getPermissionInfo(String name, int flags) { 2022 // reader 2023 synchronized (mPackages) { 2024 final BasePermission p = mSettings.mPermissions.get(name); 2025 if (p != null) { 2026 return generatePermissionInfo(p, flags); 2027 } 2028 return null; 2029 } 2030 } 2031 2032 @Override 2033 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2034 // reader 2035 synchronized (mPackages) { 2036 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2037 for (BasePermission p : mSettings.mPermissions.values()) { 2038 if (group == null) { 2039 if (p.perm == null || p.perm.info.group == null) { 2040 out.add(generatePermissionInfo(p, flags)); 2041 } 2042 } else { 2043 if (p.perm != null && group.equals(p.perm.info.group)) { 2044 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2045 } 2046 } 2047 } 2048 2049 if (out.size() > 0) { 2050 return out; 2051 } 2052 return mPermissionGroups.containsKey(group) ? out : null; 2053 } 2054 } 2055 2056 @Override 2057 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2058 // reader 2059 synchronized (mPackages) { 2060 return PackageParser.generatePermissionGroupInfo( 2061 mPermissionGroups.get(name), flags); 2062 } 2063 } 2064 2065 @Override 2066 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2067 // reader 2068 synchronized (mPackages) { 2069 final int N = mPermissionGroups.size(); 2070 ArrayList<PermissionGroupInfo> out 2071 = new ArrayList<PermissionGroupInfo>(N); 2072 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2073 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2074 } 2075 return out; 2076 } 2077 } 2078 2079 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2080 int userId) { 2081 if (!sUserManager.exists(userId)) return null; 2082 PackageSetting ps = mSettings.mPackages.get(packageName); 2083 if (ps != null) { 2084 if (ps.pkg == null) { 2085 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2086 flags, userId); 2087 if (pInfo != null) { 2088 return pInfo.applicationInfo; 2089 } 2090 return null; 2091 } 2092 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2093 ps.readUserState(userId), userId); 2094 } 2095 return null; 2096 } 2097 2098 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2099 int userId) { 2100 if (!sUserManager.exists(userId)) return null; 2101 PackageSetting ps = mSettings.mPackages.get(packageName); 2102 if (ps != null) { 2103 PackageParser.Package pkg = ps.pkg; 2104 if (pkg == null) { 2105 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2106 return null; 2107 } 2108 // Only data remains, so we aren't worried about code paths 2109 pkg = new PackageParser.Package(packageName); 2110 pkg.applicationInfo.packageName = packageName; 2111 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2112 pkg.applicationInfo.dataDir = 2113 getDataPathForPackage(packageName, 0).getPath(); 2114 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2115 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2116 } 2117 return generatePackageInfo(pkg, flags, userId); 2118 } 2119 return null; 2120 } 2121 2122 @Override 2123 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2124 if (!sUserManager.exists(userId)) return null; 2125 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2126 // writer 2127 synchronized (mPackages) { 2128 PackageParser.Package p = mPackages.get(packageName); 2129 if (DEBUG_PACKAGE_INFO) Log.v( 2130 TAG, "getApplicationInfo " + packageName 2131 + ": " + p); 2132 if (p != null) { 2133 PackageSetting ps = mSettings.mPackages.get(packageName); 2134 if (ps == null) return null; 2135 // Note: isEnabledLP() does not apply here - always return info 2136 return PackageParser.generateApplicationInfo( 2137 p, flags, ps.readUserState(userId), userId); 2138 } 2139 if ("android".equals(packageName)||"system".equals(packageName)) { 2140 return mAndroidApplication; 2141 } 2142 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2143 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2144 } 2145 } 2146 return null; 2147 } 2148 2149 2150 @Override 2151 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2152 mContext.enforceCallingOrSelfPermission( 2153 android.Manifest.permission.CLEAR_APP_CACHE, null); 2154 // Queue up an async operation since clearing cache may take a little while. 2155 mHandler.post(new Runnable() { 2156 public void run() { 2157 mHandler.removeCallbacks(this); 2158 int retCode = -1; 2159 synchronized (mInstallLock) { 2160 retCode = mInstaller.freeCache(freeStorageSize); 2161 if (retCode < 0) { 2162 Slog.w(TAG, "Couldn't clear application caches"); 2163 } 2164 } 2165 if (observer != null) { 2166 try { 2167 observer.onRemoveCompleted(null, (retCode >= 0)); 2168 } catch (RemoteException e) { 2169 Slog.w(TAG, "RemoveException when invoking call back"); 2170 } 2171 } 2172 } 2173 }); 2174 } 2175 2176 @Override 2177 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2178 mContext.enforceCallingOrSelfPermission( 2179 android.Manifest.permission.CLEAR_APP_CACHE, null); 2180 // Queue up an async operation since clearing cache may take a little while. 2181 mHandler.post(new Runnable() { 2182 public void run() { 2183 mHandler.removeCallbacks(this); 2184 int retCode = -1; 2185 synchronized (mInstallLock) { 2186 retCode = mInstaller.freeCache(freeStorageSize); 2187 if (retCode < 0) { 2188 Slog.w(TAG, "Couldn't clear application caches"); 2189 } 2190 } 2191 if(pi != null) { 2192 try { 2193 // Callback via pending intent 2194 int code = (retCode >= 0) ? 1 : 0; 2195 pi.sendIntent(null, code, null, 2196 null, null); 2197 } catch (SendIntentException e1) { 2198 Slog.i(TAG, "Failed to send pending intent"); 2199 } 2200 } 2201 } 2202 }); 2203 } 2204 2205 void freeStorage(long freeStorageSize) throws IOException { 2206 synchronized (mInstallLock) { 2207 if (mInstaller.freeCache(freeStorageSize) < 0) { 2208 throw new IOException("Failed to free enough space"); 2209 } 2210 } 2211 } 2212 2213 @Override 2214 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2215 if (!sUserManager.exists(userId)) return null; 2216 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2217 synchronized (mPackages) { 2218 PackageParser.Activity a = mActivities.mActivities.get(component); 2219 2220 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2221 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2222 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2223 if (ps == null) return null; 2224 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2225 userId); 2226 } 2227 if (mResolveComponentName.equals(component)) { 2228 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2229 new PackageUserState(), userId); 2230 } 2231 } 2232 return null; 2233 } 2234 2235 @Override 2236 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2237 String resolvedType) { 2238 synchronized (mPackages) { 2239 PackageParser.Activity a = mActivities.mActivities.get(component); 2240 if (a == null) { 2241 return false; 2242 } 2243 for (int i=0; i<a.intents.size(); i++) { 2244 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2245 intent.getData(), intent.getCategories(), TAG) >= 0) { 2246 return true; 2247 } 2248 } 2249 return false; 2250 } 2251 } 2252 2253 @Override 2254 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2255 if (!sUserManager.exists(userId)) return null; 2256 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2257 synchronized (mPackages) { 2258 PackageParser.Activity a = mReceivers.mActivities.get(component); 2259 if (DEBUG_PACKAGE_INFO) Log.v( 2260 TAG, "getReceiverInfo " + component + ": " + a); 2261 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2262 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2263 if (ps == null) return null; 2264 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2265 userId); 2266 } 2267 } 2268 return null; 2269 } 2270 2271 @Override 2272 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2273 if (!sUserManager.exists(userId)) return null; 2274 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2275 synchronized (mPackages) { 2276 PackageParser.Service s = mServices.mServices.get(component); 2277 if (DEBUG_PACKAGE_INFO) Log.v( 2278 TAG, "getServiceInfo " + component + ": " + s); 2279 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2280 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2281 if (ps == null) return null; 2282 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2283 userId); 2284 } 2285 } 2286 return null; 2287 } 2288 2289 @Override 2290 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2291 if (!sUserManager.exists(userId)) return null; 2292 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2293 synchronized (mPackages) { 2294 PackageParser.Provider p = mProviders.mProviders.get(component); 2295 if (DEBUG_PACKAGE_INFO) Log.v( 2296 TAG, "getProviderInfo " + component + ": " + p); 2297 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2298 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2299 if (ps == null) return null; 2300 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2301 userId); 2302 } 2303 } 2304 return null; 2305 } 2306 2307 @Override 2308 public String[] getSystemSharedLibraryNames() { 2309 Set<String> libSet; 2310 synchronized (mPackages) { 2311 libSet = mSharedLibraries.keySet(); 2312 int size = libSet.size(); 2313 if (size > 0) { 2314 String[] libs = new String[size]; 2315 libSet.toArray(libs); 2316 return libs; 2317 } 2318 } 2319 return null; 2320 } 2321 2322 @Override 2323 public FeatureInfo[] getSystemAvailableFeatures() { 2324 Collection<FeatureInfo> featSet; 2325 synchronized (mPackages) { 2326 featSet = mAvailableFeatures.values(); 2327 int size = featSet.size(); 2328 if (size > 0) { 2329 FeatureInfo[] features = new FeatureInfo[size+1]; 2330 featSet.toArray(features); 2331 FeatureInfo fi = new FeatureInfo(); 2332 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2333 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2334 features[size] = fi; 2335 return features; 2336 } 2337 } 2338 return null; 2339 } 2340 2341 @Override 2342 public boolean hasSystemFeature(String name) { 2343 synchronized (mPackages) { 2344 return mAvailableFeatures.containsKey(name); 2345 } 2346 } 2347 2348 private void checkValidCaller(int uid, int userId) { 2349 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2350 return; 2351 2352 throw new SecurityException("Caller uid=" + uid 2353 + " is not privileged to communicate with user=" + userId); 2354 } 2355 2356 @Override 2357 public int checkPermission(String permName, String pkgName) { 2358 synchronized (mPackages) { 2359 PackageParser.Package p = mPackages.get(pkgName); 2360 if (p != null && p.mExtras != null) { 2361 PackageSetting ps = (PackageSetting)p.mExtras; 2362 if (ps.sharedUser != null) { 2363 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2364 return PackageManager.PERMISSION_GRANTED; 2365 } 2366 } else if (ps.grantedPermissions.contains(permName)) { 2367 return PackageManager.PERMISSION_GRANTED; 2368 } 2369 } 2370 } 2371 return PackageManager.PERMISSION_DENIED; 2372 } 2373 2374 @Override 2375 public int checkUidPermission(String permName, int uid) { 2376 synchronized (mPackages) { 2377 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2378 if (obj != null) { 2379 GrantedPermissions gp = (GrantedPermissions)obj; 2380 if (gp.grantedPermissions.contains(permName)) { 2381 return PackageManager.PERMISSION_GRANTED; 2382 } 2383 } else { 2384 ArraySet<String> perms = mSystemPermissions.get(uid); 2385 if (perms != null && perms.contains(permName)) { 2386 return PackageManager.PERMISSION_GRANTED; 2387 } 2388 } 2389 } 2390 return PackageManager.PERMISSION_DENIED; 2391 } 2392 2393 /** 2394 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2395 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2396 * @param checkShell TODO(yamasani): 2397 * @param message the message to log on security exception 2398 */ 2399 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2400 boolean checkShell, String message) { 2401 if (userId < 0) { 2402 throw new IllegalArgumentException("Invalid userId " + userId); 2403 } 2404 if (checkShell) { 2405 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2406 } 2407 if (userId == UserHandle.getUserId(callingUid)) return; 2408 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2409 if (requireFullPermission) { 2410 mContext.enforceCallingOrSelfPermission( 2411 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2412 } else { 2413 try { 2414 mContext.enforceCallingOrSelfPermission( 2415 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2416 } catch (SecurityException se) { 2417 mContext.enforceCallingOrSelfPermission( 2418 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2419 } 2420 } 2421 } 2422 } 2423 2424 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2425 if (callingUid == Process.SHELL_UID) { 2426 if (userHandle >= 0 2427 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2428 throw new SecurityException("Shell does not have permission to access user " 2429 + userHandle); 2430 } else if (userHandle < 0) { 2431 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2432 + Debug.getCallers(3)); 2433 } 2434 } 2435 } 2436 2437 private BasePermission findPermissionTreeLP(String permName) { 2438 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2439 if (permName.startsWith(bp.name) && 2440 permName.length() > bp.name.length() && 2441 permName.charAt(bp.name.length()) == '.') { 2442 return bp; 2443 } 2444 } 2445 return null; 2446 } 2447 2448 private BasePermission checkPermissionTreeLP(String permName) { 2449 if (permName != null) { 2450 BasePermission bp = findPermissionTreeLP(permName); 2451 if (bp != null) { 2452 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2453 return bp; 2454 } 2455 throw new SecurityException("Calling uid " 2456 + Binder.getCallingUid() 2457 + " is not allowed to add to permission tree " 2458 + bp.name + " owned by uid " + bp.uid); 2459 } 2460 } 2461 throw new SecurityException("No permission tree found for " + permName); 2462 } 2463 2464 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2465 if (s1 == null) { 2466 return s2 == null; 2467 } 2468 if (s2 == null) { 2469 return false; 2470 } 2471 if (s1.getClass() != s2.getClass()) { 2472 return false; 2473 } 2474 return s1.equals(s2); 2475 } 2476 2477 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2478 if (pi1.icon != pi2.icon) return false; 2479 if (pi1.logo != pi2.logo) return false; 2480 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2481 if (!compareStrings(pi1.name, pi2.name)) return false; 2482 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2483 // We'll take care of setting this one. 2484 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2485 // These are not currently stored in settings. 2486 //if (!compareStrings(pi1.group, pi2.group)) return false; 2487 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2488 //if (pi1.labelRes != pi2.labelRes) return false; 2489 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2490 return true; 2491 } 2492 2493 int permissionInfoFootprint(PermissionInfo info) { 2494 int size = info.name.length(); 2495 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2496 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2497 return size; 2498 } 2499 2500 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2501 int size = 0; 2502 for (BasePermission perm : mSettings.mPermissions.values()) { 2503 if (perm.uid == tree.uid) { 2504 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2505 } 2506 } 2507 return size; 2508 } 2509 2510 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2511 // We calculate the max size of permissions defined by this uid and throw 2512 // if that plus the size of 'info' would exceed our stated maximum. 2513 if (tree.uid != Process.SYSTEM_UID) { 2514 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2515 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2516 throw new SecurityException("Permission tree size cap exceeded"); 2517 } 2518 } 2519 } 2520 2521 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2522 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2523 throw new SecurityException("Label must be specified in permission"); 2524 } 2525 BasePermission tree = checkPermissionTreeLP(info.name); 2526 BasePermission bp = mSettings.mPermissions.get(info.name); 2527 boolean added = bp == null; 2528 boolean changed = true; 2529 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2530 if (added) { 2531 enforcePermissionCapLocked(info, tree); 2532 bp = new BasePermission(info.name, tree.sourcePackage, 2533 BasePermission.TYPE_DYNAMIC); 2534 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2535 throw new SecurityException( 2536 "Not allowed to modify non-dynamic permission " 2537 + info.name); 2538 } else { 2539 if (bp.protectionLevel == fixedLevel 2540 && bp.perm.owner.equals(tree.perm.owner) 2541 && bp.uid == tree.uid 2542 && comparePermissionInfos(bp.perm.info, info)) { 2543 changed = false; 2544 } 2545 } 2546 bp.protectionLevel = fixedLevel; 2547 info = new PermissionInfo(info); 2548 info.protectionLevel = fixedLevel; 2549 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2550 bp.perm.info.packageName = tree.perm.info.packageName; 2551 bp.uid = tree.uid; 2552 if (added) { 2553 mSettings.mPermissions.put(info.name, bp); 2554 } 2555 if (changed) { 2556 if (!async) { 2557 mSettings.writeLPr(); 2558 } else { 2559 scheduleWriteSettingsLocked(); 2560 } 2561 } 2562 return added; 2563 } 2564 2565 @Override 2566 public boolean addPermission(PermissionInfo info) { 2567 synchronized (mPackages) { 2568 return addPermissionLocked(info, false); 2569 } 2570 } 2571 2572 @Override 2573 public boolean addPermissionAsync(PermissionInfo info) { 2574 synchronized (mPackages) { 2575 return addPermissionLocked(info, true); 2576 } 2577 } 2578 2579 @Override 2580 public void removePermission(String name) { 2581 synchronized (mPackages) { 2582 checkPermissionTreeLP(name); 2583 BasePermission bp = mSettings.mPermissions.get(name); 2584 if (bp != null) { 2585 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2586 throw new SecurityException( 2587 "Not allowed to modify non-dynamic permission " 2588 + name); 2589 } 2590 mSettings.mPermissions.remove(name); 2591 mSettings.writeLPr(); 2592 } 2593 } 2594 } 2595 2596 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2597 int index = pkg.requestedPermissions.indexOf(bp.name); 2598 if (index == -1) { 2599 throw new SecurityException("Package " + pkg.packageName 2600 + " has not requested permission " + bp.name); 2601 } 2602 boolean isNormal = 2603 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2604 == PermissionInfo.PROTECTION_NORMAL); 2605 boolean isDangerous = 2606 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2607 == PermissionInfo.PROTECTION_DANGEROUS); 2608 boolean isDevelopment = 2609 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2610 2611 if (!isNormal && !isDangerous && !isDevelopment) { 2612 throw new SecurityException("Permission " + bp.name 2613 + " is not a changeable permission type"); 2614 } 2615 2616 if (isNormal || isDangerous) { 2617 if (pkg.requestedPermissionsRequired.get(index)) { 2618 throw new SecurityException("Can't change " + bp.name 2619 + ". It is required by the application"); 2620 } 2621 } 2622 } 2623 2624 @Override 2625 public void grantPermission(String packageName, String permissionName) { 2626 mContext.enforceCallingOrSelfPermission( 2627 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2628 synchronized (mPackages) { 2629 final PackageParser.Package pkg = mPackages.get(packageName); 2630 if (pkg == null) { 2631 throw new IllegalArgumentException("Unknown package: " + packageName); 2632 } 2633 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2634 if (bp == null) { 2635 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2636 } 2637 2638 checkGrantRevokePermissions(pkg, bp); 2639 2640 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2641 if (ps == null) { 2642 return; 2643 } 2644 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2645 if (gp.grantedPermissions.add(permissionName)) { 2646 if (ps.haveGids) { 2647 gp.gids = appendInts(gp.gids, bp.gids); 2648 } 2649 mSettings.writeLPr(); 2650 } 2651 } 2652 } 2653 2654 @Override 2655 public void revokePermission(String packageName, String permissionName) { 2656 int changedAppId = -1; 2657 2658 synchronized (mPackages) { 2659 final PackageParser.Package pkg = mPackages.get(packageName); 2660 if (pkg == null) { 2661 throw new IllegalArgumentException("Unknown package: " + packageName); 2662 } 2663 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2664 mContext.enforceCallingOrSelfPermission( 2665 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2666 } 2667 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2668 if (bp == null) { 2669 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2670 } 2671 2672 checkGrantRevokePermissions(pkg, bp); 2673 2674 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2675 if (ps == null) { 2676 return; 2677 } 2678 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2679 if (gp.grantedPermissions.remove(permissionName)) { 2680 gp.grantedPermissions.remove(permissionName); 2681 if (ps.haveGids) { 2682 gp.gids = removeInts(gp.gids, bp.gids); 2683 } 2684 mSettings.writeLPr(); 2685 changedAppId = ps.appId; 2686 } 2687 } 2688 2689 if (changedAppId >= 0) { 2690 // We changed the perm on someone, kill its processes. 2691 IActivityManager am = ActivityManagerNative.getDefault(); 2692 if (am != null) { 2693 final int callingUserId = UserHandle.getCallingUserId(); 2694 final long ident = Binder.clearCallingIdentity(); 2695 try { 2696 //XXX we should only revoke for the calling user's app permissions, 2697 // but for now we impact all users. 2698 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2699 // "revoke " + permissionName); 2700 int[] users = sUserManager.getUserIds(); 2701 for (int user : users) { 2702 am.killUid(UserHandle.getUid(user, changedAppId), 2703 "revoke " + permissionName); 2704 } 2705 } catch (RemoteException e) { 2706 } finally { 2707 Binder.restoreCallingIdentity(ident); 2708 } 2709 } 2710 } 2711 } 2712 2713 @Override 2714 public boolean isProtectedBroadcast(String actionName) { 2715 synchronized (mPackages) { 2716 return mProtectedBroadcasts.contains(actionName); 2717 } 2718 } 2719 2720 @Override 2721 public int checkSignatures(String pkg1, String pkg2) { 2722 synchronized (mPackages) { 2723 final PackageParser.Package p1 = mPackages.get(pkg1); 2724 final PackageParser.Package p2 = mPackages.get(pkg2); 2725 if (p1 == null || p1.mExtras == null 2726 || p2 == null || p2.mExtras == null) { 2727 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2728 } 2729 return compareSignatures(p1.mSignatures, p2.mSignatures); 2730 } 2731 } 2732 2733 @Override 2734 public int checkUidSignatures(int uid1, int uid2) { 2735 // Map to base uids. 2736 uid1 = UserHandle.getAppId(uid1); 2737 uid2 = UserHandle.getAppId(uid2); 2738 // reader 2739 synchronized (mPackages) { 2740 Signature[] s1; 2741 Signature[] s2; 2742 Object obj = mSettings.getUserIdLPr(uid1); 2743 if (obj != null) { 2744 if (obj instanceof SharedUserSetting) { 2745 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2746 } else if (obj instanceof PackageSetting) { 2747 s1 = ((PackageSetting)obj).signatures.mSignatures; 2748 } else { 2749 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2750 } 2751 } else { 2752 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2753 } 2754 obj = mSettings.getUserIdLPr(uid2); 2755 if (obj != null) { 2756 if (obj instanceof SharedUserSetting) { 2757 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2758 } else if (obj instanceof PackageSetting) { 2759 s2 = ((PackageSetting)obj).signatures.mSignatures; 2760 } else { 2761 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2762 } 2763 } else { 2764 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2765 } 2766 return compareSignatures(s1, s2); 2767 } 2768 } 2769 2770 /** 2771 * Compares two sets of signatures. Returns: 2772 * <br /> 2773 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2774 * <br /> 2775 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2776 * <br /> 2777 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2778 * <br /> 2779 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2780 * <br /> 2781 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2782 */ 2783 static int compareSignatures(Signature[] s1, Signature[] s2) { 2784 if (s1 == null) { 2785 return s2 == null 2786 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2787 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2788 } 2789 2790 if (s2 == null) { 2791 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2792 } 2793 2794 if (s1.length != s2.length) { 2795 return PackageManager.SIGNATURE_NO_MATCH; 2796 } 2797 2798 // Since both signature sets are of size 1, we can compare without HashSets. 2799 if (s1.length == 1) { 2800 return s1[0].equals(s2[0]) ? 2801 PackageManager.SIGNATURE_MATCH : 2802 PackageManager.SIGNATURE_NO_MATCH; 2803 } 2804 2805 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2806 for (Signature sig : s1) { 2807 set1.add(sig); 2808 } 2809 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2810 for (Signature sig : s2) { 2811 set2.add(sig); 2812 } 2813 // Make sure s2 contains all signatures in s1. 2814 if (set1.equals(set2)) { 2815 return PackageManager.SIGNATURE_MATCH; 2816 } 2817 return PackageManager.SIGNATURE_NO_MATCH; 2818 } 2819 2820 /** 2821 * If the database version for this type of package (internal storage or 2822 * external storage) is less than the version where package signatures 2823 * were updated, return true. 2824 */ 2825 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2826 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2827 DatabaseVersion.SIGNATURE_END_ENTITY)) 2828 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2829 DatabaseVersion.SIGNATURE_END_ENTITY)); 2830 } 2831 2832 /** 2833 * Used for backward compatibility to make sure any packages with 2834 * certificate chains get upgraded to the new style. {@code existingSigs} 2835 * will be in the old format (since they were stored on disk from before the 2836 * system upgrade) and {@code scannedSigs} will be in the newer format. 2837 */ 2838 private int compareSignaturesCompat(PackageSignatures existingSigs, 2839 PackageParser.Package scannedPkg) { 2840 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2841 return PackageManager.SIGNATURE_NO_MATCH; 2842 } 2843 2844 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2845 for (Signature sig : existingSigs.mSignatures) { 2846 existingSet.add(sig); 2847 } 2848 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2849 for (Signature sig : scannedPkg.mSignatures) { 2850 try { 2851 Signature[] chainSignatures = sig.getChainSignatures(); 2852 for (Signature chainSig : chainSignatures) { 2853 scannedCompatSet.add(chainSig); 2854 } 2855 } catch (CertificateEncodingException e) { 2856 scannedCompatSet.add(sig); 2857 } 2858 } 2859 /* 2860 * Make sure the expanded scanned set contains all signatures in the 2861 * existing one. 2862 */ 2863 if (scannedCompatSet.equals(existingSet)) { 2864 // Migrate the old signatures to the new scheme. 2865 existingSigs.assignSignatures(scannedPkg.mSignatures); 2866 // The new KeySets will be re-added later in the scanning process. 2867 synchronized (mPackages) { 2868 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2869 } 2870 return PackageManager.SIGNATURE_MATCH; 2871 } 2872 return PackageManager.SIGNATURE_NO_MATCH; 2873 } 2874 2875 @Override 2876 public String[] getPackagesForUid(int uid) { 2877 uid = UserHandle.getAppId(uid); 2878 // reader 2879 synchronized (mPackages) { 2880 Object obj = mSettings.getUserIdLPr(uid); 2881 if (obj instanceof SharedUserSetting) { 2882 final SharedUserSetting sus = (SharedUserSetting) obj; 2883 final int N = sus.packages.size(); 2884 final String[] res = new String[N]; 2885 final Iterator<PackageSetting> it = sus.packages.iterator(); 2886 int i = 0; 2887 while (it.hasNext()) { 2888 res[i++] = it.next().name; 2889 } 2890 return res; 2891 } else if (obj instanceof PackageSetting) { 2892 final PackageSetting ps = (PackageSetting) obj; 2893 return new String[] { ps.name }; 2894 } 2895 } 2896 return null; 2897 } 2898 2899 @Override 2900 public String getNameForUid(int uid) { 2901 // reader 2902 synchronized (mPackages) { 2903 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2904 if (obj instanceof SharedUserSetting) { 2905 final SharedUserSetting sus = (SharedUserSetting) obj; 2906 return sus.name + ":" + sus.userId; 2907 } else if (obj instanceof PackageSetting) { 2908 final PackageSetting ps = (PackageSetting) obj; 2909 return ps.name; 2910 } 2911 } 2912 return null; 2913 } 2914 2915 @Override 2916 public int getUidForSharedUser(String sharedUserName) { 2917 if(sharedUserName == null) { 2918 return -1; 2919 } 2920 // reader 2921 synchronized (mPackages) { 2922 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2923 if (suid == null) { 2924 return -1; 2925 } 2926 return suid.userId; 2927 } 2928 } 2929 2930 @Override 2931 public int getFlagsForUid(int uid) { 2932 synchronized (mPackages) { 2933 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2934 if (obj instanceof SharedUserSetting) { 2935 final SharedUserSetting sus = (SharedUserSetting) obj; 2936 return sus.pkgFlags; 2937 } else if (obj instanceof PackageSetting) { 2938 final PackageSetting ps = (PackageSetting) obj; 2939 return ps.pkgFlags; 2940 } 2941 } 2942 return 0; 2943 } 2944 2945 @Override 2946 public boolean isUidPrivileged(int uid) { 2947 uid = UserHandle.getAppId(uid); 2948 // reader 2949 synchronized (mPackages) { 2950 Object obj = mSettings.getUserIdLPr(uid); 2951 if (obj instanceof SharedUserSetting) { 2952 final SharedUserSetting sus = (SharedUserSetting) obj; 2953 final Iterator<PackageSetting> it = sus.packages.iterator(); 2954 while (it.hasNext()) { 2955 if (it.next().isPrivileged()) { 2956 return true; 2957 } 2958 } 2959 } else if (obj instanceof PackageSetting) { 2960 final PackageSetting ps = (PackageSetting) obj; 2961 return ps.isPrivileged(); 2962 } 2963 } 2964 return false; 2965 } 2966 2967 @Override 2968 public String[] getAppOpPermissionPackages(String permissionName) { 2969 synchronized (mPackages) { 2970 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2971 if (pkgs == null) { 2972 return null; 2973 } 2974 return pkgs.toArray(new String[pkgs.size()]); 2975 } 2976 } 2977 2978 @Override 2979 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2980 int flags, int userId) { 2981 if (!sUserManager.exists(userId)) return null; 2982 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2983 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2984 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2985 } 2986 2987 @Override 2988 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2989 IntentFilter filter, int match, ComponentName activity) { 2990 final int userId = UserHandle.getCallingUserId(); 2991 if (DEBUG_PREFERRED) { 2992 Log.v(TAG, "setLastChosenActivity intent=" + intent 2993 + " resolvedType=" + resolvedType 2994 + " flags=" + flags 2995 + " filter=" + filter 2996 + " match=" + match 2997 + " activity=" + activity); 2998 filter.dump(new PrintStreamPrinter(System.out), " "); 2999 } 3000 intent.setComponent(null); 3001 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3002 // Find any earlier preferred or last chosen entries and nuke them 3003 findPreferredActivity(intent, resolvedType, 3004 flags, query, 0, false, true, false, userId); 3005 // Add the new activity as the last chosen for this filter 3006 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3007 "Setting last chosen"); 3008 } 3009 3010 @Override 3011 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3012 final int userId = UserHandle.getCallingUserId(); 3013 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3014 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3015 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3016 false, false, false, userId); 3017 } 3018 3019 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3020 int flags, List<ResolveInfo> query, int userId) { 3021 if (query != null) { 3022 final int N = query.size(); 3023 if (N == 1) { 3024 return query.get(0); 3025 } else if (N > 1) { 3026 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3027 // If there is more than one activity with the same priority, 3028 // then let the user decide between them. 3029 ResolveInfo r0 = query.get(0); 3030 ResolveInfo r1 = query.get(1); 3031 if (DEBUG_INTENT_MATCHING || debug) { 3032 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3033 + r1.activityInfo.name + "=" + r1.priority); 3034 } 3035 // If the first activity has a higher priority, or a different 3036 // default, then it is always desireable to pick it. 3037 if (r0.priority != r1.priority 3038 || r0.preferredOrder != r1.preferredOrder 3039 || r0.isDefault != r1.isDefault) { 3040 return query.get(0); 3041 } 3042 // If we have saved a preference for a preferred activity for 3043 // this Intent, use that. 3044 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3045 flags, query, r0.priority, true, false, debug, userId); 3046 if (ri != null) { 3047 return ri; 3048 } 3049 if (userId != 0) { 3050 ri = new ResolveInfo(mResolveInfo); 3051 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3052 ri.activityInfo.applicationInfo = new ApplicationInfo( 3053 ri.activityInfo.applicationInfo); 3054 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3055 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3056 return ri; 3057 } 3058 return mResolveInfo; 3059 } 3060 } 3061 return null; 3062 } 3063 3064 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3065 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3066 final int N = query.size(); 3067 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3068 .get(userId); 3069 // Get the list of persistent preferred activities that handle the intent 3070 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3071 List<PersistentPreferredActivity> pprefs = ppir != null 3072 ? ppir.queryIntent(intent, resolvedType, 3073 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3074 : null; 3075 if (pprefs != null && pprefs.size() > 0) { 3076 final int M = pprefs.size(); 3077 for (int i=0; i<M; i++) { 3078 final PersistentPreferredActivity ppa = pprefs.get(i); 3079 if (DEBUG_PREFERRED || debug) { 3080 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3081 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3082 + "\n component=" + ppa.mComponent); 3083 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3084 } 3085 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3086 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3087 if (DEBUG_PREFERRED || debug) { 3088 Slog.v(TAG, "Found persistent preferred activity:"); 3089 if (ai != null) { 3090 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3091 } else { 3092 Slog.v(TAG, " null"); 3093 } 3094 } 3095 if (ai == null) { 3096 // This previously registered persistent preferred activity 3097 // component is no longer known. Ignore it and do NOT remove it. 3098 continue; 3099 } 3100 for (int j=0; j<N; j++) { 3101 final ResolveInfo ri = query.get(j); 3102 if (!ri.activityInfo.applicationInfo.packageName 3103 .equals(ai.applicationInfo.packageName)) { 3104 continue; 3105 } 3106 if (!ri.activityInfo.name.equals(ai.name)) { 3107 continue; 3108 } 3109 // Found a persistent preference that can handle the intent. 3110 if (DEBUG_PREFERRED || debug) { 3111 Slog.v(TAG, "Returning persistent preferred activity: " + 3112 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3113 } 3114 return ri; 3115 } 3116 } 3117 } 3118 return null; 3119 } 3120 3121 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3122 List<ResolveInfo> query, int priority, boolean always, 3123 boolean removeMatches, boolean debug, int userId) { 3124 if (!sUserManager.exists(userId)) return null; 3125 // writer 3126 synchronized (mPackages) { 3127 if (intent.getSelector() != null) { 3128 intent = intent.getSelector(); 3129 } 3130 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3131 3132 // Try to find a matching persistent preferred activity. 3133 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3134 debug, userId); 3135 3136 // If a persistent preferred activity matched, use it. 3137 if (pri != null) { 3138 return pri; 3139 } 3140 3141 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3142 // Get the list of preferred activities that handle the intent 3143 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3144 List<PreferredActivity> prefs = pir != null 3145 ? pir.queryIntent(intent, resolvedType, 3146 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3147 : null; 3148 if (prefs != null && prefs.size() > 0) { 3149 boolean changed = false; 3150 try { 3151 // First figure out how good the original match set is. 3152 // We will only allow preferred activities that came 3153 // from the same match quality. 3154 int match = 0; 3155 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3157 3158 final int N = query.size(); 3159 for (int j=0; j<N; j++) { 3160 final ResolveInfo ri = query.get(j); 3161 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3162 + ": 0x" + Integer.toHexString(match)); 3163 if (ri.match > match) { 3164 match = ri.match; 3165 } 3166 } 3167 3168 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3169 + Integer.toHexString(match)); 3170 3171 match &= IntentFilter.MATCH_CATEGORY_MASK; 3172 final int M = prefs.size(); 3173 for (int i=0; i<M; i++) { 3174 final PreferredActivity pa = prefs.get(i); 3175 if (DEBUG_PREFERRED || debug) { 3176 Slog.v(TAG, "Checking PreferredActivity ds=" 3177 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3178 + "\n component=" + pa.mPref.mComponent); 3179 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3180 } 3181 if (pa.mPref.mMatch != match) { 3182 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3183 + Integer.toHexString(pa.mPref.mMatch)); 3184 continue; 3185 } 3186 // If it's not an "always" type preferred activity and that's what we're 3187 // looking for, skip it. 3188 if (always && !pa.mPref.mAlways) { 3189 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3190 continue; 3191 } 3192 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3193 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3194 if (DEBUG_PREFERRED || debug) { 3195 Slog.v(TAG, "Found preferred activity:"); 3196 if (ai != null) { 3197 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3198 } else { 3199 Slog.v(TAG, " null"); 3200 } 3201 } 3202 if (ai == null) { 3203 // This previously registered preferred activity 3204 // component is no longer known. Most likely an update 3205 // to the app was installed and in the new version this 3206 // component no longer exists. Clean it up by removing 3207 // it from the preferred activities list, and skip it. 3208 Slog.w(TAG, "Removing dangling preferred activity: " 3209 + pa.mPref.mComponent); 3210 pir.removeFilter(pa); 3211 changed = true; 3212 continue; 3213 } 3214 for (int j=0; j<N; j++) { 3215 final ResolveInfo ri = query.get(j); 3216 if (!ri.activityInfo.applicationInfo.packageName 3217 .equals(ai.applicationInfo.packageName)) { 3218 continue; 3219 } 3220 if (!ri.activityInfo.name.equals(ai.name)) { 3221 continue; 3222 } 3223 3224 if (removeMatches) { 3225 pir.removeFilter(pa); 3226 changed = true; 3227 if (DEBUG_PREFERRED) { 3228 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3229 } 3230 break; 3231 } 3232 3233 // Okay we found a previously set preferred or last chosen app. 3234 // If the result set is different from when this 3235 // was created, we need to clear it and re-ask the 3236 // user their preference, if we're looking for an "always" type entry. 3237 if (always && !pa.mPref.sameSet(query, priority)) { 3238 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3239 + intent + " type " + resolvedType); 3240 if (DEBUG_PREFERRED) { 3241 Slog.v(TAG, "Removing preferred activity since set changed " 3242 + pa.mPref.mComponent); 3243 } 3244 pir.removeFilter(pa); 3245 // Re-add the filter as a "last chosen" entry (!always) 3246 PreferredActivity lastChosen = new PreferredActivity( 3247 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3248 pir.addFilter(lastChosen); 3249 changed = true; 3250 return null; 3251 } 3252 3253 // Yay! Either the set matched or we're looking for the last chosen 3254 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3255 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3256 return ri; 3257 } 3258 } 3259 } finally { 3260 if (changed) { 3261 if (DEBUG_PREFERRED) { 3262 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3263 } 3264 scheduleWritePackageRestrictionsLocked(userId); 3265 } 3266 } 3267 } 3268 } 3269 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3270 return null; 3271 } 3272 3273 /* 3274 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3275 */ 3276 @Override 3277 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3278 int targetUserId) { 3279 mContext.enforceCallingOrSelfPermission( 3280 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3281 List<CrossProfileIntentFilter> matches = 3282 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3283 if (matches != null) { 3284 int size = matches.size(); 3285 for (int i = 0; i < size; i++) { 3286 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3287 } 3288 } 3289 return false; 3290 } 3291 3292 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3293 String resolvedType, int userId) { 3294 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3295 if (resolver != null) { 3296 return resolver.queryIntent(intent, resolvedType, false, userId); 3297 } 3298 return null; 3299 } 3300 3301 @Override 3302 public List<ResolveInfo> queryIntentActivities(Intent intent, 3303 String resolvedType, int flags, int userId) { 3304 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3305 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3306 ComponentName comp = intent.getComponent(); 3307 if (comp == null) { 3308 if (intent.getSelector() != null) { 3309 intent = intent.getSelector(); 3310 comp = intent.getComponent(); 3311 } 3312 } 3313 3314 if (comp != null) { 3315 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3316 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3317 if (ai != null) { 3318 final ResolveInfo ri = new ResolveInfo(); 3319 ri.activityInfo = ai; 3320 list.add(ri); 3321 } 3322 return list; 3323 } 3324 3325 // reader 3326 synchronized (mPackages) { 3327 final String pkgName = intent.getPackage(); 3328 if (pkgName == null) { 3329 List<CrossProfileIntentFilter> matchingFilters = 3330 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3331 // Check for results that need to skip the current profile. 3332 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3333 resolvedType, flags, userId); 3334 if (resolveInfo != null) { 3335 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3336 result.add(resolveInfo); 3337 return result; 3338 } 3339 // Check for cross profile results. 3340 resolveInfo = queryCrossProfileIntents( 3341 matchingFilters, intent, resolvedType, flags, userId); 3342 3343 // Check for results in the current profile. 3344 List<ResolveInfo> result = mActivities.queryIntent( 3345 intent, resolvedType, flags, userId); 3346 if (resolveInfo != null) { 3347 result.add(resolveInfo); 3348 Collections.sort(result, mResolvePrioritySorter); 3349 } 3350 return result; 3351 } 3352 final PackageParser.Package pkg = mPackages.get(pkgName); 3353 if (pkg != null) { 3354 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3355 pkg.activities, userId); 3356 } 3357 return new ArrayList<ResolveInfo>(); 3358 } 3359 } 3360 3361 private ResolveInfo querySkipCurrentProfileIntents( 3362 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3363 int flags, int sourceUserId) { 3364 if (matchingFilters != null) { 3365 int size = matchingFilters.size(); 3366 for (int i = 0; i < size; i ++) { 3367 CrossProfileIntentFilter filter = matchingFilters.get(i); 3368 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3369 // Checking if there are activities in the target user that can handle the 3370 // intent. 3371 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3372 flags, sourceUserId); 3373 if (resolveInfo != null) { 3374 return resolveInfo; 3375 } 3376 } 3377 } 3378 } 3379 return null; 3380 } 3381 3382 // Return matching ResolveInfo if any for skip current profile intent filters. 3383 private ResolveInfo queryCrossProfileIntents( 3384 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3385 int flags, int sourceUserId) { 3386 if (matchingFilters != null) { 3387 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3388 // match the same intent. For performance reasons, it is better not to 3389 // run queryIntent twice for the same userId 3390 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3391 int size = matchingFilters.size(); 3392 for (int i = 0; i < size; i++) { 3393 CrossProfileIntentFilter filter = matchingFilters.get(i); 3394 int targetUserId = filter.getTargetUserId(); 3395 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3396 && !alreadyTriedUserIds.get(targetUserId)) { 3397 // Checking if there are activities in the target user that can handle the 3398 // intent. 3399 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3400 flags, sourceUserId); 3401 if (resolveInfo != null) return resolveInfo; 3402 alreadyTriedUserIds.put(targetUserId, true); 3403 } 3404 } 3405 } 3406 return null; 3407 } 3408 3409 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3410 String resolvedType, int flags, int sourceUserId) { 3411 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3412 resolvedType, flags, filter.getTargetUserId()); 3413 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3414 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3415 } 3416 return null; 3417 } 3418 3419 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3420 int sourceUserId, int targetUserId) { 3421 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3422 String className; 3423 if (targetUserId == UserHandle.USER_OWNER) { 3424 className = FORWARD_INTENT_TO_USER_OWNER; 3425 } else { 3426 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3427 } 3428 ComponentName forwardingActivityComponentName = new ComponentName( 3429 mAndroidApplication.packageName, className); 3430 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3431 sourceUserId); 3432 if (targetUserId == UserHandle.USER_OWNER) { 3433 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3434 forwardingResolveInfo.noResourceId = true; 3435 } 3436 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3437 forwardingResolveInfo.priority = 0; 3438 forwardingResolveInfo.preferredOrder = 0; 3439 forwardingResolveInfo.match = 0; 3440 forwardingResolveInfo.isDefault = true; 3441 forwardingResolveInfo.filter = filter; 3442 forwardingResolveInfo.targetUserId = targetUserId; 3443 return forwardingResolveInfo; 3444 } 3445 3446 @Override 3447 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3448 Intent[] specifics, String[] specificTypes, Intent intent, 3449 String resolvedType, int flags, int userId) { 3450 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3451 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3452 false, "query intent activity options"); 3453 final String resultsAction = intent.getAction(); 3454 3455 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3456 | PackageManager.GET_RESOLVED_FILTER, userId); 3457 3458 if (DEBUG_INTENT_MATCHING) { 3459 Log.v(TAG, "Query " + intent + ": " + results); 3460 } 3461 3462 int specificsPos = 0; 3463 int N; 3464 3465 // todo: note that the algorithm used here is O(N^2). This 3466 // isn't a problem in our current environment, but if we start running 3467 // into situations where we have more than 5 or 10 matches then this 3468 // should probably be changed to something smarter... 3469 3470 // First we go through and resolve each of the specific items 3471 // that were supplied, taking care of removing any corresponding 3472 // duplicate items in the generic resolve list. 3473 if (specifics != null) { 3474 for (int i=0; i<specifics.length; i++) { 3475 final Intent sintent = specifics[i]; 3476 if (sintent == null) { 3477 continue; 3478 } 3479 3480 if (DEBUG_INTENT_MATCHING) { 3481 Log.v(TAG, "Specific #" + i + ": " + sintent); 3482 } 3483 3484 String action = sintent.getAction(); 3485 if (resultsAction != null && resultsAction.equals(action)) { 3486 // If this action was explicitly requested, then don't 3487 // remove things that have it. 3488 action = null; 3489 } 3490 3491 ResolveInfo ri = null; 3492 ActivityInfo ai = null; 3493 3494 ComponentName comp = sintent.getComponent(); 3495 if (comp == null) { 3496 ri = resolveIntent( 3497 sintent, 3498 specificTypes != null ? specificTypes[i] : null, 3499 flags, userId); 3500 if (ri == null) { 3501 continue; 3502 } 3503 if (ri == mResolveInfo) { 3504 // ACK! Must do something better with this. 3505 } 3506 ai = ri.activityInfo; 3507 comp = new ComponentName(ai.applicationInfo.packageName, 3508 ai.name); 3509 } else { 3510 ai = getActivityInfo(comp, flags, userId); 3511 if (ai == null) { 3512 continue; 3513 } 3514 } 3515 3516 // Look for any generic query activities that are duplicates 3517 // of this specific one, and remove them from the results. 3518 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3519 N = results.size(); 3520 int j; 3521 for (j=specificsPos; j<N; j++) { 3522 ResolveInfo sri = results.get(j); 3523 if ((sri.activityInfo.name.equals(comp.getClassName()) 3524 && sri.activityInfo.applicationInfo.packageName.equals( 3525 comp.getPackageName())) 3526 || (action != null && sri.filter.matchAction(action))) { 3527 results.remove(j); 3528 if (DEBUG_INTENT_MATCHING) Log.v( 3529 TAG, "Removing duplicate item from " + j 3530 + " due to specific " + specificsPos); 3531 if (ri == null) { 3532 ri = sri; 3533 } 3534 j--; 3535 N--; 3536 } 3537 } 3538 3539 // Add this specific item to its proper place. 3540 if (ri == null) { 3541 ri = new ResolveInfo(); 3542 ri.activityInfo = ai; 3543 } 3544 results.add(specificsPos, ri); 3545 ri.specificIndex = i; 3546 specificsPos++; 3547 } 3548 } 3549 3550 // Now we go through the remaining generic results and remove any 3551 // duplicate actions that are found here. 3552 N = results.size(); 3553 for (int i=specificsPos; i<N-1; i++) { 3554 final ResolveInfo rii = results.get(i); 3555 if (rii.filter == null) { 3556 continue; 3557 } 3558 3559 // Iterate over all of the actions of this result's intent 3560 // filter... typically this should be just one. 3561 final Iterator<String> it = rii.filter.actionsIterator(); 3562 if (it == null) { 3563 continue; 3564 } 3565 while (it.hasNext()) { 3566 final String action = it.next(); 3567 if (resultsAction != null && resultsAction.equals(action)) { 3568 // If this action was explicitly requested, then don't 3569 // remove things that have it. 3570 continue; 3571 } 3572 for (int j=i+1; j<N; j++) { 3573 final ResolveInfo rij = results.get(j); 3574 if (rij.filter != null && rij.filter.hasAction(action)) { 3575 results.remove(j); 3576 if (DEBUG_INTENT_MATCHING) Log.v( 3577 TAG, "Removing duplicate item from " + j 3578 + " due to action " + action + " at " + i); 3579 j--; 3580 N--; 3581 } 3582 } 3583 } 3584 3585 // If the caller didn't request filter information, drop it now 3586 // so we don't have to marshall/unmarshall it. 3587 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3588 rii.filter = null; 3589 } 3590 } 3591 3592 // Filter out the caller activity if so requested. 3593 if (caller != null) { 3594 N = results.size(); 3595 for (int i=0; i<N; i++) { 3596 ActivityInfo ainfo = results.get(i).activityInfo; 3597 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3598 && caller.getClassName().equals(ainfo.name)) { 3599 results.remove(i); 3600 break; 3601 } 3602 } 3603 } 3604 3605 // If the caller didn't request filter information, 3606 // drop them now so we don't have to 3607 // marshall/unmarshall it. 3608 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3609 N = results.size(); 3610 for (int i=0; i<N; i++) { 3611 results.get(i).filter = null; 3612 } 3613 } 3614 3615 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3616 return results; 3617 } 3618 3619 @Override 3620 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3621 int userId) { 3622 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3623 ComponentName comp = intent.getComponent(); 3624 if (comp == null) { 3625 if (intent.getSelector() != null) { 3626 intent = intent.getSelector(); 3627 comp = intent.getComponent(); 3628 } 3629 } 3630 if (comp != null) { 3631 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3632 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3633 if (ai != null) { 3634 ResolveInfo ri = new ResolveInfo(); 3635 ri.activityInfo = ai; 3636 list.add(ri); 3637 } 3638 return list; 3639 } 3640 3641 // reader 3642 synchronized (mPackages) { 3643 String pkgName = intent.getPackage(); 3644 if (pkgName == null) { 3645 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3646 } 3647 final PackageParser.Package pkg = mPackages.get(pkgName); 3648 if (pkg != null) { 3649 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3650 userId); 3651 } 3652 return null; 3653 } 3654 } 3655 3656 @Override 3657 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3658 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3659 if (!sUserManager.exists(userId)) return null; 3660 if (query != null) { 3661 if (query.size() >= 1) { 3662 // If there is more than one service with the same priority, 3663 // just arbitrarily pick the first one. 3664 return query.get(0); 3665 } 3666 } 3667 return null; 3668 } 3669 3670 @Override 3671 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3672 int userId) { 3673 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3674 ComponentName comp = intent.getComponent(); 3675 if (comp == null) { 3676 if (intent.getSelector() != null) { 3677 intent = intent.getSelector(); 3678 comp = intent.getComponent(); 3679 } 3680 } 3681 if (comp != null) { 3682 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3683 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3684 if (si != null) { 3685 final ResolveInfo ri = new ResolveInfo(); 3686 ri.serviceInfo = si; 3687 list.add(ri); 3688 } 3689 return list; 3690 } 3691 3692 // reader 3693 synchronized (mPackages) { 3694 String pkgName = intent.getPackage(); 3695 if (pkgName == null) { 3696 return mServices.queryIntent(intent, resolvedType, flags, userId); 3697 } 3698 final PackageParser.Package pkg = mPackages.get(pkgName); 3699 if (pkg != null) { 3700 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3701 userId); 3702 } 3703 return null; 3704 } 3705 } 3706 3707 @Override 3708 public List<ResolveInfo> queryIntentContentProviders( 3709 Intent intent, String resolvedType, int flags, int userId) { 3710 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3711 ComponentName comp = intent.getComponent(); 3712 if (comp == null) { 3713 if (intent.getSelector() != null) { 3714 intent = intent.getSelector(); 3715 comp = intent.getComponent(); 3716 } 3717 } 3718 if (comp != null) { 3719 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3720 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3721 if (pi != null) { 3722 final ResolveInfo ri = new ResolveInfo(); 3723 ri.providerInfo = pi; 3724 list.add(ri); 3725 } 3726 return list; 3727 } 3728 3729 // reader 3730 synchronized (mPackages) { 3731 String pkgName = intent.getPackage(); 3732 if (pkgName == null) { 3733 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3734 } 3735 final PackageParser.Package pkg = mPackages.get(pkgName); 3736 if (pkg != null) { 3737 return mProviders.queryIntentForPackage( 3738 intent, resolvedType, flags, pkg.providers, userId); 3739 } 3740 return null; 3741 } 3742 } 3743 3744 @Override 3745 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3746 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3747 3748 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3749 3750 // writer 3751 synchronized (mPackages) { 3752 ArrayList<PackageInfo> list; 3753 if (listUninstalled) { 3754 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3755 for (PackageSetting ps : mSettings.mPackages.values()) { 3756 PackageInfo pi; 3757 if (ps.pkg != null) { 3758 pi = generatePackageInfo(ps.pkg, flags, userId); 3759 } else { 3760 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3761 } 3762 if (pi != null) { 3763 list.add(pi); 3764 } 3765 } 3766 } else { 3767 list = new ArrayList<PackageInfo>(mPackages.size()); 3768 for (PackageParser.Package p : mPackages.values()) { 3769 PackageInfo pi = generatePackageInfo(p, flags, userId); 3770 if (pi != null) { 3771 list.add(pi); 3772 } 3773 } 3774 } 3775 3776 return new ParceledListSlice<PackageInfo>(list); 3777 } 3778 } 3779 3780 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3781 String[] permissions, boolean[] tmp, int flags, int userId) { 3782 int numMatch = 0; 3783 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3784 for (int i=0; i<permissions.length; i++) { 3785 if (gp.grantedPermissions.contains(permissions[i])) { 3786 tmp[i] = true; 3787 numMatch++; 3788 } else { 3789 tmp[i] = false; 3790 } 3791 } 3792 if (numMatch == 0) { 3793 return; 3794 } 3795 PackageInfo pi; 3796 if (ps.pkg != null) { 3797 pi = generatePackageInfo(ps.pkg, flags, userId); 3798 } else { 3799 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3800 } 3801 // The above might return null in cases of uninstalled apps or install-state 3802 // skew across users/profiles. 3803 if (pi != null) { 3804 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3805 if (numMatch == permissions.length) { 3806 pi.requestedPermissions = permissions; 3807 } else { 3808 pi.requestedPermissions = new String[numMatch]; 3809 numMatch = 0; 3810 for (int i=0; i<permissions.length; i++) { 3811 if (tmp[i]) { 3812 pi.requestedPermissions[numMatch] = permissions[i]; 3813 numMatch++; 3814 } 3815 } 3816 } 3817 } 3818 list.add(pi); 3819 } 3820 } 3821 3822 @Override 3823 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3824 String[] permissions, int flags, int userId) { 3825 if (!sUserManager.exists(userId)) return null; 3826 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3827 3828 // writer 3829 synchronized (mPackages) { 3830 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3831 boolean[] tmpBools = new boolean[permissions.length]; 3832 if (listUninstalled) { 3833 for (PackageSetting ps : mSettings.mPackages.values()) { 3834 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3835 } 3836 } else { 3837 for (PackageParser.Package pkg : mPackages.values()) { 3838 PackageSetting ps = (PackageSetting)pkg.mExtras; 3839 if (ps != null) { 3840 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3841 userId); 3842 } 3843 } 3844 } 3845 3846 return new ParceledListSlice<PackageInfo>(list); 3847 } 3848 } 3849 3850 @Override 3851 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3852 if (!sUserManager.exists(userId)) return null; 3853 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3854 3855 // writer 3856 synchronized (mPackages) { 3857 ArrayList<ApplicationInfo> list; 3858 if (listUninstalled) { 3859 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3860 for (PackageSetting ps : mSettings.mPackages.values()) { 3861 ApplicationInfo ai; 3862 if (ps.pkg != null) { 3863 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3864 ps.readUserState(userId), userId); 3865 } else { 3866 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3867 } 3868 if (ai != null) { 3869 list.add(ai); 3870 } 3871 } 3872 } else { 3873 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3874 for (PackageParser.Package p : mPackages.values()) { 3875 if (p.mExtras != null) { 3876 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3877 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3878 if (ai != null) { 3879 list.add(ai); 3880 } 3881 } 3882 } 3883 } 3884 3885 return new ParceledListSlice<ApplicationInfo>(list); 3886 } 3887 } 3888 3889 public List<ApplicationInfo> getPersistentApplications(int flags) { 3890 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3891 3892 // reader 3893 synchronized (mPackages) { 3894 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3895 final int userId = UserHandle.getCallingUserId(); 3896 while (i.hasNext()) { 3897 final PackageParser.Package p = i.next(); 3898 if (p.applicationInfo != null 3899 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3900 && (!mSafeMode || isSystemApp(p))) { 3901 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3902 if (ps != null) { 3903 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3904 ps.readUserState(userId), userId); 3905 if (ai != null) { 3906 finalList.add(ai); 3907 } 3908 } 3909 } 3910 } 3911 } 3912 3913 return finalList; 3914 } 3915 3916 @Override 3917 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3918 if (!sUserManager.exists(userId)) return null; 3919 // reader 3920 synchronized (mPackages) { 3921 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3922 PackageSetting ps = provider != null 3923 ? mSettings.mPackages.get(provider.owner.packageName) 3924 : null; 3925 return ps != null 3926 && mSettings.isEnabledLPr(provider.info, flags, userId) 3927 && (!mSafeMode || (provider.info.applicationInfo.flags 3928 &ApplicationInfo.FLAG_SYSTEM) != 0) 3929 ? PackageParser.generateProviderInfo(provider, flags, 3930 ps.readUserState(userId), userId) 3931 : null; 3932 } 3933 } 3934 3935 /** 3936 * @deprecated 3937 */ 3938 @Deprecated 3939 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3940 // reader 3941 synchronized (mPackages) { 3942 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3943 .entrySet().iterator(); 3944 final int userId = UserHandle.getCallingUserId(); 3945 while (i.hasNext()) { 3946 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3947 PackageParser.Provider p = entry.getValue(); 3948 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3949 3950 if (ps != null && p.syncable 3951 && (!mSafeMode || (p.info.applicationInfo.flags 3952 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3953 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3954 ps.readUserState(userId), userId); 3955 if (info != null) { 3956 outNames.add(entry.getKey()); 3957 outInfo.add(info); 3958 } 3959 } 3960 } 3961 } 3962 } 3963 3964 @Override 3965 public List<ProviderInfo> queryContentProviders(String processName, 3966 int uid, int flags) { 3967 ArrayList<ProviderInfo> finalList = null; 3968 // reader 3969 synchronized (mPackages) { 3970 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3971 final int userId = processName != null ? 3972 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3973 while (i.hasNext()) { 3974 final PackageParser.Provider p = i.next(); 3975 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3976 if (ps != null && p.info.authority != null 3977 && (processName == null 3978 || (p.info.processName.equals(processName) 3979 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3980 && mSettings.isEnabledLPr(p.info, flags, userId) 3981 && (!mSafeMode 3982 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3983 if (finalList == null) { 3984 finalList = new ArrayList<ProviderInfo>(3); 3985 } 3986 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3987 ps.readUserState(userId), userId); 3988 if (info != null) { 3989 finalList.add(info); 3990 } 3991 } 3992 } 3993 } 3994 3995 if (finalList != null) { 3996 Collections.sort(finalList, mProviderInitOrderSorter); 3997 } 3998 3999 return finalList; 4000 } 4001 4002 @Override 4003 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4004 int flags) { 4005 // reader 4006 synchronized (mPackages) { 4007 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4008 return PackageParser.generateInstrumentationInfo(i, flags); 4009 } 4010 } 4011 4012 @Override 4013 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4014 int flags) { 4015 ArrayList<InstrumentationInfo> finalList = 4016 new ArrayList<InstrumentationInfo>(); 4017 4018 // reader 4019 synchronized (mPackages) { 4020 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4021 while (i.hasNext()) { 4022 final PackageParser.Instrumentation p = i.next(); 4023 if (targetPackage == null 4024 || targetPackage.equals(p.info.targetPackage)) { 4025 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4026 flags); 4027 if (ii != null) { 4028 finalList.add(ii); 4029 } 4030 } 4031 } 4032 } 4033 4034 return finalList; 4035 } 4036 4037 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4038 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4039 if (overlays == null) { 4040 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4041 return; 4042 } 4043 for (PackageParser.Package opkg : overlays.values()) { 4044 // Not much to do if idmap fails: we already logged the error 4045 // and we certainly don't want to abort installation of pkg simply 4046 // because an overlay didn't fit properly. For these reasons, 4047 // ignore the return value of createIdmapForPackagePairLI. 4048 createIdmapForPackagePairLI(pkg, opkg); 4049 } 4050 } 4051 4052 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4053 PackageParser.Package opkg) { 4054 if (!opkg.mTrustedOverlay) { 4055 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4056 opkg.baseCodePath + ": overlay not trusted"); 4057 return false; 4058 } 4059 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4060 if (overlaySet == null) { 4061 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4062 opkg.baseCodePath + " but target package has no known overlays"); 4063 return false; 4064 } 4065 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4066 // TODO: generate idmap for split APKs 4067 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4068 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4069 + opkg.baseCodePath); 4070 return false; 4071 } 4072 PackageParser.Package[] overlayArray = 4073 overlaySet.values().toArray(new PackageParser.Package[0]); 4074 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4075 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4076 return p1.mOverlayPriority - p2.mOverlayPriority; 4077 } 4078 }; 4079 Arrays.sort(overlayArray, cmp); 4080 4081 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4082 int i = 0; 4083 for (PackageParser.Package p : overlayArray) { 4084 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4085 } 4086 return true; 4087 } 4088 4089 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4090 final File[] files = dir.listFiles(); 4091 if (ArrayUtils.isEmpty(files)) { 4092 Log.d(TAG, "No files in app dir " + dir); 4093 return; 4094 } 4095 4096 if (DEBUG_PACKAGE_SCANNING) { 4097 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4098 + " flags=0x" + Integer.toHexString(parseFlags)); 4099 } 4100 4101 for (File file : files) { 4102 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4103 && !PackageInstallerService.isStageName(file.getName()); 4104 if (!isPackage) { 4105 // Ignore entries which are not packages 4106 continue; 4107 } 4108 try { 4109 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4110 scanFlags, currentTime, null); 4111 } catch (PackageManagerException e) { 4112 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4113 4114 // Delete invalid userdata apps 4115 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4116 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4117 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4118 if (file.isDirectory()) { 4119 FileUtils.deleteContents(file); 4120 } 4121 file.delete(); 4122 } 4123 } 4124 } 4125 } 4126 4127 private static File getSettingsProblemFile() { 4128 File dataDir = Environment.getDataDirectory(); 4129 File systemDir = new File(dataDir, "system"); 4130 File fname = new File(systemDir, "uiderrors.txt"); 4131 return fname; 4132 } 4133 4134 static void reportSettingsProblem(int priority, String msg) { 4135 logCriticalInfo(priority, msg); 4136 } 4137 4138 static void logCriticalInfo(int priority, String msg) { 4139 Slog.println(priority, TAG, msg); 4140 EventLogTags.writePmCriticalInfo(msg); 4141 try { 4142 File fname = getSettingsProblemFile(); 4143 FileOutputStream out = new FileOutputStream(fname, true); 4144 PrintWriter pw = new FastPrintWriter(out); 4145 SimpleDateFormat formatter = new SimpleDateFormat(); 4146 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4147 pw.println(dateString + ": " + msg); 4148 pw.close(); 4149 FileUtils.setPermissions( 4150 fname.toString(), 4151 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4152 -1, -1); 4153 } catch (java.io.IOException e) { 4154 } 4155 } 4156 4157 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4158 PackageParser.Package pkg, File srcFile, int parseFlags) 4159 throws PackageManagerException { 4160 if (ps != null 4161 && ps.codePath.equals(srcFile) 4162 && ps.timeStamp == srcFile.lastModified() 4163 && !isCompatSignatureUpdateNeeded(pkg)) { 4164 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4165 if (ps.signatures.mSignatures != null 4166 && ps.signatures.mSignatures.length != 0 4167 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4168 // Optimization: reuse the existing cached certificates 4169 // if the package appears to be unchanged. 4170 pkg.mSignatures = ps.signatures.mSignatures; 4171 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4172 synchronized (mPackages) { 4173 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4174 } 4175 return; 4176 } 4177 4178 Slog.w(TAG, "PackageSetting for " + ps.name 4179 + " is missing signatures. Collecting certs again to recover them."); 4180 } else { 4181 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4182 } 4183 4184 try { 4185 pp.collectCertificates(pkg, parseFlags); 4186 pp.collectManifestDigest(pkg); 4187 } catch (PackageParserException e) { 4188 throw PackageManagerException.from(e); 4189 } 4190 } 4191 4192 /* 4193 * Scan a package and return the newly parsed package. 4194 * Returns null in case of errors and the error code is stored in mLastScanError 4195 */ 4196 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4197 long currentTime, UserHandle user) throws PackageManagerException { 4198 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4199 parseFlags |= mDefParseFlags; 4200 PackageParser pp = new PackageParser(); 4201 pp.setSeparateProcesses(mSeparateProcesses); 4202 pp.setOnlyCoreApps(mOnlyCore); 4203 pp.setDisplayMetrics(mMetrics); 4204 4205 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4206 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4207 } 4208 4209 final PackageParser.Package pkg; 4210 try { 4211 pkg = pp.parsePackage(scanFile, parseFlags); 4212 } catch (PackageParserException e) { 4213 throw PackageManagerException.from(e); 4214 } 4215 4216 PackageSetting ps = null; 4217 PackageSetting updatedPkg; 4218 // reader 4219 synchronized (mPackages) { 4220 // Look to see if we already know about this package. 4221 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4222 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4223 // This package has been renamed to its original name. Let's 4224 // use that. 4225 ps = mSettings.peekPackageLPr(oldName); 4226 } 4227 // If there was no original package, see one for the real package name. 4228 if (ps == null) { 4229 ps = mSettings.peekPackageLPr(pkg.packageName); 4230 } 4231 // Check to see if this package could be hiding/updating a system 4232 // package. Must look for it either under the original or real 4233 // package name depending on our state. 4234 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4235 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4236 } 4237 boolean updatedPkgBetter = false; 4238 // First check if this is a system package that may involve an update 4239 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4240 if (ps != null && !ps.codePath.equals(scanFile)) { 4241 // The path has changed from what was last scanned... check the 4242 // version of the new path against what we have stored to determine 4243 // what to do. 4244 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4245 if (pkg.mVersionCode < ps.versionCode) { 4246 // The system package has been updated and the code path does not match 4247 // Ignore entry. Skip it. 4248 logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile 4249 + " ignored: updated version " + ps.versionCode 4250 + " better than this " + pkg.mVersionCode); 4251 if (!updatedPkg.codePath.equals(scanFile)) { 4252 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4253 + ps.name + " changing from " + updatedPkg.codePathString 4254 + " to " + scanFile); 4255 updatedPkg.codePath = scanFile; 4256 updatedPkg.codePathString = scanFile.toString(); 4257 // This is the point at which we know that the system-disk APK 4258 // for this package has moved during a reboot (e.g. due to an OTA), 4259 // so we need to reevaluate it for privilege policy. 4260 if (locationIsPrivileged(scanFile)) { 4261 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4262 } 4263 } 4264 updatedPkg.pkg = pkg; 4265 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4266 } else { 4267 // The current app on the system partition is better than 4268 // what we have updated to on the data partition; switch 4269 // back to the system partition version. 4270 // At this point, its safely assumed that package installation for 4271 // apps in system partition will go through. If not there won't be a working 4272 // version of the app 4273 // writer 4274 synchronized (mPackages) { 4275 // Just remove the loaded entries from package lists. 4276 mPackages.remove(ps.name); 4277 } 4278 4279 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4280 + " reverting from " + ps.codePathString 4281 + ": new version " + pkg.mVersionCode 4282 + " better than installed " + ps.versionCode); 4283 4284 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4285 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4286 getAppDexInstructionSets(ps)); 4287 synchronized (mInstallLock) { 4288 args.cleanUpResourcesLI(); 4289 } 4290 synchronized (mPackages) { 4291 mSettings.enableSystemPackageLPw(ps.name); 4292 } 4293 updatedPkgBetter = true; 4294 } 4295 } 4296 } 4297 4298 if (updatedPkg != null) { 4299 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4300 // initially 4301 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4302 4303 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4304 // flag set initially 4305 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4306 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4307 } 4308 } 4309 4310 // Verify certificates against what was last scanned 4311 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4312 4313 /* 4314 * A new system app appeared, but we already had a non-system one of the 4315 * same name installed earlier. 4316 */ 4317 boolean shouldHideSystemApp = false; 4318 if (updatedPkg == null && ps != null 4319 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4320 /* 4321 * Check to make sure the signatures match first. If they don't, 4322 * wipe the installed application and its data. 4323 */ 4324 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4325 != PackageManager.SIGNATURE_MATCH) { 4326 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4327 + " signatures don't match existing userdata copy; removing"); 4328 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4329 ps = null; 4330 } else { 4331 /* 4332 * If the newly-added system app is an older version than the 4333 * already installed version, hide it. It will be scanned later 4334 * and re-added like an update. 4335 */ 4336 if (pkg.mVersionCode < ps.versionCode) { 4337 shouldHideSystemApp = true; 4338 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4339 + " but new version " + pkg.mVersionCode + " better than installed " 4340 + ps.versionCode + "; hiding system"); 4341 } else { 4342 /* 4343 * The newly found system app is a newer version that the 4344 * one previously installed. Simply remove the 4345 * already-installed application and replace it with our own 4346 * while keeping the application data. 4347 */ 4348 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4349 + " reverting from " + ps.codePathString + ": new version " 4350 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4351 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4352 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4353 getAppDexInstructionSets(ps)); 4354 synchronized (mInstallLock) { 4355 args.cleanUpResourcesLI(); 4356 } 4357 } 4358 } 4359 } 4360 4361 // The apk is forward locked (not public) if its code and resources 4362 // are kept in different files. (except for app in either system or 4363 // vendor path). 4364 // TODO grab this value from PackageSettings 4365 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4366 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4367 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4368 } 4369 } 4370 4371 // TODO: extend to support forward-locked splits 4372 String resourcePath = null; 4373 String baseResourcePath = null; 4374 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4375 if (ps != null && ps.resourcePathString != null) { 4376 resourcePath = ps.resourcePathString; 4377 baseResourcePath = ps.resourcePathString; 4378 } else { 4379 // Should not happen at all. Just log an error. 4380 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4381 } 4382 } else { 4383 resourcePath = pkg.codePath; 4384 baseResourcePath = pkg.baseCodePath; 4385 } 4386 4387 // Set application objects path explicitly. 4388 pkg.applicationInfo.setCodePath(pkg.codePath); 4389 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4390 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4391 pkg.applicationInfo.setResourcePath(resourcePath); 4392 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4393 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4394 4395 // Note that we invoke the following method only if we are about to unpack an application 4396 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4397 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4398 4399 /* 4400 * If the system app should be overridden by a previously installed 4401 * data, hide the system app now and let the /data/app scan pick it up 4402 * again. 4403 */ 4404 if (shouldHideSystemApp) { 4405 synchronized (mPackages) { 4406 /* 4407 * We have to grant systems permissions before we hide, because 4408 * grantPermissions will assume the package update is trying to 4409 * expand its permissions. 4410 */ 4411 grantPermissionsLPw(pkg, true, pkg.packageName); 4412 mSettings.disableSystemPackageLPw(pkg.packageName); 4413 } 4414 } 4415 4416 return scannedPkg; 4417 } 4418 4419 private static String fixProcessName(String defProcessName, 4420 String processName, int uid) { 4421 if (processName == null) { 4422 return defProcessName; 4423 } 4424 return processName; 4425 } 4426 4427 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4428 throws PackageManagerException { 4429 if (pkgSetting.signatures.mSignatures != null) { 4430 // Already existing package. Make sure signatures match 4431 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4432 == PackageManager.SIGNATURE_MATCH; 4433 if (!match) { 4434 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4435 == PackageManager.SIGNATURE_MATCH; 4436 } 4437 if (!match) { 4438 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4439 + pkg.packageName + " signatures do not match the " 4440 + "previously installed version; ignoring!"); 4441 } 4442 } 4443 4444 // Check for shared user signatures 4445 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4446 // Already existing package. Make sure signatures match 4447 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4448 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4449 if (!match) { 4450 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4451 == PackageManager.SIGNATURE_MATCH; 4452 } 4453 if (!match) { 4454 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4455 "Package " + pkg.packageName 4456 + " has no signatures that match those in shared user " 4457 + pkgSetting.sharedUser.name + "; ignoring!"); 4458 } 4459 } 4460 } 4461 4462 /** 4463 * Enforces that only the system UID or root's UID can call a method exposed 4464 * via Binder. 4465 * 4466 * @param message used as message if SecurityException is thrown 4467 * @throws SecurityException if the caller is not system or root 4468 */ 4469 private static final void enforceSystemOrRoot(String message) { 4470 final int uid = Binder.getCallingUid(); 4471 if (uid != Process.SYSTEM_UID && uid != 0) { 4472 throw new SecurityException(message); 4473 } 4474 } 4475 4476 @Override 4477 public void performBootDexOpt() { 4478 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4479 4480 final ArraySet<PackageParser.Package> pkgs; 4481 synchronized (mPackages) { 4482 pkgs = mDeferredDexOpt; 4483 mDeferredDexOpt = null; 4484 } 4485 4486 if (pkgs != null) { 4487 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4488 // in case the device runs out of space. 4489 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4490 // Give priority to core apps. 4491 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4492 PackageParser.Package pkg = it.next(); 4493 if (pkg.coreApp) { 4494 if (DEBUG_DEXOPT) { 4495 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4496 } 4497 sortedPkgs.add(pkg); 4498 it.remove(); 4499 } 4500 } 4501 // Give priority to system apps that listen for pre boot complete. 4502 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4503 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4504 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4505 PackageParser.Package pkg = it.next(); 4506 if (pkgNames.contains(pkg.packageName)) { 4507 if (DEBUG_DEXOPT) { 4508 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4509 } 4510 sortedPkgs.add(pkg); 4511 it.remove(); 4512 } 4513 } 4514 // Give priority to system apps. 4515 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4516 PackageParser.Package pkg = it.next(); 4517 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4518 if (DEBUG_DEXOPT) { 4519 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4520 } 4521 sortedPkgs.add(pkg); 4522 it.remove(); 4523 } 4524 } 4525 // Give priority to updated system apps. 4526 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4527 PackageParser.Package pkg = it.next(); 4528 if (isUpdatedSystemApp(pkg)) { 4529 if (DEBUG_DEXOPT) { 4530 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4531 } 4532 sortedPkgs.add(pkg); 4533 it.remove(); 4534 } 4535 } 4536 // Give priority to apps that listen for boot complete. 4537 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4538 pkgNames = getPackageNamesForIntent(intent); 4539 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4540 PackageParser.Package pkg = it.next(); 4541 if (pkgNames.contains(pkg.packageName)) { 4542 if (DEBUG_DEXOPT) { 4543 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4544 } 4545 sortedPkgs.add(pkg); 4546 it.remove(); 4547 } 4548 } 4549 // Filter out packages that aren't recently used. 4550 filterRecentlyUsedApps(pkgs); 4551 // Add all remaining apps. 4552 for (PackageParser.Package pkg : pkgs) { 4553 if (DEBUG_DEXOPT) { 4554 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4555 } 4556 sortedPkgs.add(pkg); 4557 } 4558 4559 // If we want to be lazy, filter everything that wasn't recently used. 4560 if (mLazyDexOpt) { 4561 filterRecentlyUsedApps(sortedPkgs); 4562 } 4563 4564 int i = 0; 4565 int total = sortedPkgs.size(); 4566 File dataDir = Environment.getDataDirectory(); 4567 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4568 if (lowThreshold == 0) { 4569 throw new IllegalStateException("Invalid low memory threshold"); 4570 } 4571 for (PackageParser.Package pkg : sortedPkgs) { 4572 long usableSpace = dataDir.getUsableSpace(); 4573 if (usableSpace < lowThreshold) { 4574 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4575 break; 4576 } 4577 performBootDexOpt(pkg, ++i, total); 4578 } 4579 } 4580 } 4581 4582 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4583 // Filter out packages that aren't recently used. 4584 // 4585 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4586 // should do a full dexopt. 4587 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4588 int total = pkgs.size(); 4589 int skipped = 0; 4590 long now = System.currentTimeMillis(); 4591 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4592 PackageParser.Package pkg = i.next(); 4593 long then = pkg.mLastPackageUsageTimeInMills; 4594 if (then + mDexOptLRUThresholdInMills < now) { 4595 if (DEBUG_DEXOPT) { 4596 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4597 ((then == 0) ? "never" : new Date(then))); 4598 } 4599 i.remove(); 4600 skipped++; 4601 } 4602 } 4603 if (DEBUG_DEXOPT) { 4604 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4605 } 4606 } 4607 } 4608 4609 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4610 List<ResolveInfo> ris = null; 4611 try { 4612 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4613 intent, null, 0, UserHandle.USER_OWNER); 4614 } catch (RemoteException e) { 4615 } 4616 ArraySet<String> pkgNames = new ArraySet<String>(); 4617 if (ris != null) { 4618 for (ResolveInfo ri : ris) { 4619 pkgNames.add(ri.activityInfo.packageName); 4620 } 4621 } 4622 return pkgNames; 4623 } 4624 4625 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4626 if (DEBUG_DEXOPT) { 4627 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4628 } 4629 if (!isFirstBoot()) { 4630 try { 4631 ActivityManagerNative.getDefault().showBootMessage( 4632 mContext.getResources().getString(R.string.android_upgrading_apk, 4633 curr, total), true); 4634 } catch (RemoteException e) { 4635 } 4636 } 4637 PackageParser.Package p = pkg; 4638 synchronized (mInstallLock) { 4639 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4640 false /* defer */, true /* include dependencies */); 4641 } 4642 } 4643 4644 @Override 4645 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4646 return performDexOpt(packageName, instructionSet, false); 4647 } 4648 4649 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4650 if (info.primaryCpuAbi == null) { 4651 return getPreferredInstructionSet(); 4652 } 4653 4654 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4655 } 4656 4657 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4658 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4659 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4660 if (!dexopt && !updateUsage) { 4661 // We aren't going to dexopt or update usage, so bail early. 4662 return false; 4663 } 4664 PackageParser.Package p; 4665 final String targetInstructionSet; 4666 synchronized (mPackages) { 4667 p = mPackages.get(packageName); 4668 if (p == null) { 4669 return false; 4670 } 4671 if (updateUsage) { 4672 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4673 } 4674 mPackageUsage.write(false); 4675 if (!dexopt) { 4676 // We aren't going to dexopt, so bail early. 4677 return false; 4678 } 4679 4680 targetInstructionSet = instructionSet != null ? instructionSet : 4681 getPrimaryInstructionSet(p.applicationInfo); 4682 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4683 return false; 4684 } 4685 } 4686 4687 synchronized (mInstallLock) { 4688 final String[] instructionSets = new String[] { targetInstructionSet }; 4689 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4690 true /* include dependencies */) == DEX_OPT_PERFORMED; 4691 } 4692 } 4693 4694 public ArraySet<String> getPackagesThatNeedDexOpt() { 4695 ArraySet<String> pkgs = null; 4696 synchronized (mPackages) { 4697 for (PackageParser.Package p : mPackages.values()) { 4698 if (DEBUG_DEXOPT) { 4699 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4700 } 4701 if (!p.mDexOptPerformed.isEmpty()) { 4702 continue; 4703 } 4704 if (pkgs == null) { 4705 pkgs = new ArraySet<String>(); 4706 } 4707 pkgs.add(p.packageName); 4708 } 4709 } 4710 return pkgs; 4711 } 4712 4713 public void shutdown() { 4714 mPackageUsage.write(true); 4715 } 4716 4717 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4718 boolean forceDex, boolean defer, ArraySet<String> done) { 4719 for (int i=0; i<libs.size(); i++) { 4720 PackageParser.Package libPkg; 4721 String libName; 4722 synchronized (mPackages) { 4723 libName = libs.get(i); 4724 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4725 if (lib != null && lib.apk != null) { 4726 libPkg = mPackages.get(lib.apk); 4727 } else { 4728 libPkg = null; 4729 } 4730 } 4731 if (libPkg != null && !done.contains(libName)) { 4732 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4733 } 4734 } 4735 } 4736 4737 static final int DEX_OPT_SKIPPED = 0; 4738 static final int DEX_OPT_PERFORMED = 1; 4739 static final int DEX_OPT_DEFERRED = 2; 4740 static final int DEX_OPT_FAILED = -1; 4741 4742 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4743 boolean forceDex, boolean defer, ArraySet<String> done) { 4744 final String[] instructionSets = targetInstructionSets != null ? 4745 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4746 4747 if (done != null) { 4748 done.add(pkg.packageName); 4749 if (pkg.usesLibraries != null) { 4750 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4751 } 4752 if (pkg.usesOptionalLibraries != null) { 4753 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4754 } 4755 } 4756 4757 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4758 return DEX_OPT_SKIPPED; 4759 } 4760 4761 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4762 4763 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4764 boolean performedDexOpt = false; 4765 // There are three basic cases here: 4766 // 1.) we need to dexopt, either because we are forced or it is needed 4767 // 2.) we are defering a needed dexopt 4768 // 3.) we are skipping an unneeded dexopt 4769 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4770 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4771 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4772 continue; 4773 } 4774 4775 for (String path : paths) { 4776 try { 4777 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4778 // patckage or the one we find does not match the image checksum (i.e. it was 4779 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4780 // odex file and it matches the checksum of the image but not its base address, 4781 // meaning we need to move it. 4782 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4783 pkg.packageName, dexCodeInstructionSet, defer); 4784 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4785 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4786 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4787 + " vmSafeMode=" + vmSafeMode); 4788 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4789 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4790 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4791 4792 if (ret < 0) { 4793 // Don't bother running dexopt again if we failed, it will probably 4794 // just result in an error again. Also, don't bother dexopting for other 4795 // paths & ISAs. 4796 return DEX_OPT_FAILED; 4797 } 4798 4799 performedDexOpt = true; 4800 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4801 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4802 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4803 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4804 pkg.packageName, dexCodeInstructionSet); 4805 4806 if (ret < 0) { 4807 // Don't bother running patchoat again if we failed, it will probably 4808 // just result in an error again. Also, don't bother dexopting for other 4809 // paths & ISAs. 4810 return DEX_OPT_FAILED; 4811 } 4812 4813 performedDexOpt = true; 4814 } 4815 4816 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4817 // paths and instruction sets. We'll deal with them all together when we process 4818 // our list of deferred dexopts. 4819 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4820 if (mDeferredDexOpt == null) { 4821 mDeferredDexOpt = new ArraySet<PackageParser.Package>(); 4822 } 4823 mDeferredDexOpt.add(pkg); 4824 return DEX_OPT_DEFERRED; 4825 } 4826 } catch (FileNotFoundException e) { 4827 Slog.w(TAG, "Apk not found for dexopt: " + path); 4828 return DEX_OPT_FAILED; 4829 } catch (IOException e) { 4830 Slog.w(TAG, "IOException reading apk: " + path, e); 4831 return DEX_OPT_FAILED; 4832 } catch (StaleDexCacheError e) { 4833 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4834 return DEX_OPT_FAILED; 4835 } catch (Exception e) { 4836 Slog.w(TAG, "Exception when doing dexopt : ", e); 4837 return DEX_OPT_FAILED; 4838 } 4839 } 4840 4841 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4842 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4843 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4844 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4845 // it. 4846 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4847 } 4848 4849 // If we've gotten here, we're sure that no error occurred and that we haven't 4850 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4851 // we've skipped all of them because they are up to date. In both cases this 4852 // package doesn't need dexopt any longer. 4853 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4854 } 4855 4856 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4857 if (info.primaryCpuAbi != null) { 4858 if (info.secondaryCpuAbi != null) { 4859 return new String[] { 4860 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4861 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4862 } else { 4863 return new String[] { 4864 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4865 } 4866 } 4867 4868 return new String[] { getPreferredInstructionSet() }; 4869 } 4870 4871 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4872 if (ps.primaryCpuAbiString != null) { 4873 if (ps.secondaryCpuAbiString != null) { 4874 return new String[] { 4875 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4876 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4877 } else { 4878 return new String[] { 4879 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4880 } 4881 } 4882 4883 return new String[] { getPreferredInstructionSet() }; 4884 } 4885 4886 private static String getPreferredInstructionSet() { 4887 if (sPreferredInstructionSet == null) { 4888 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4889 } 4890 4891 return sPreferredInstructionSet; 4892 } 4893 4894 private static List<String> getAllInstructionSets() { 4895 final String[] allAbis = Build.SUPPORTED_ABIS; 4896 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4897 4898 for (String abi : allAbis) { 4899 final String instructionSet = VMRuntime.getInstructionSet(abi); 4900 if (!allInstructionSets.contains(instructionSet)) { 4901 allInstructionSets.add(instructionSet); 4902 } 4903 } 4904 4905 return allInstructionSets; 4906 } 4907 4908 /** 4909 * Returns the instruction set that should be used to compile dex code. In the presence of 4910 * a native bridge this might be different than the one shared libraries use. 4911 */ 4912 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4913 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4914 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4915 } 4916 4917 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4918 ArraySet<String> dexCodeInstructionSets = new ArraySet<String>(instructionSets.length); 4919 for (String instructionSet : instructionSets) { 4920 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4921 } 4922 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4923 } 4924 4925 /** 4926 * Returns deduplicated list of supported instructions for dex code. 4927 */ 4928 public static String[] getAllDexCodeInstructionSets() { 4929 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4930 for (int i = 0; i < supportedInstructionSets.length; i++) { 4931 String abi = Build.SUPPORTED_ABIS[i]; 4932 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4933 } 4934 return getDexCodeInstructionSets(supportedInstructionSets); 4935 } 4936 4937 @Override 4938 public void forceDexOpt(String packageName) { 4939 enforceSystemOrRoot("forceDexOpt"); 4940 4941 PackageParser.Package pkg; 4942 synchronized (mPackages) { 4943 pkg = mPackages.get(packageName); 4944 if (pkg == null) { 4945 throw new IllegalArgumentException("Missing package: " + packageName); 4946 } 4947 } 4948 4949 synchronized (mInstallLock) { 4950 final String[] instructionSets = new String[] { 4951 getPrimaryInstructionSet(pkg.applicationInfo) }; 4952 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4953 if (res != DEX_OPT_PERFORMED) { 4954 throw new IllegalStateException("Failed to dexopt: " + res); 4955 } 4956 } 4957 } 4958 4959 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4960 boolean forceDex, boolean defer, boolean inclDependencies) { 4961 ArraySet<String> done; 4962 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4963 done = new ArraySet<String>(); 4964 done.add(pkg.packageName); 4965 } else { 4966 done = null; 4967 } 4968 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4969 } 4970 4971 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4972 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4973 Slog.w(TAG, "Unable to update from " + oldPkg.name 4974 + " to " + newPkg.packageName 4975 + ": old package not in system partition"); 4976 return false; 4977 } else if (mPackages.get(oldPkg.name) != null) { 4978 Slog.w(TAG, "Unable to update from " + oldPkg.name 4979 + " to " + newPkg.packageName 4980 + ": old package still exists"); 4981 return false; 4982 } 4983 return true; 4984 } 4985 4986 File getDataPathForUser(int userId) { 4987 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4988 } 4989 4990 private File getDataPathForPackage(String packageName, int userId) { 4991 /* 4992 * Until we fully support multiple users, return the directory we 4993 * previously would have. The PackageManagerTests will need to be 4994 * revised when this is changed back.. 4995 */ 4996 if (userId == 0) { 4997 return new File(mAppDataDir, packageName); 4998 } else { 4999 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5000 + File.separator + packageName); 5001 } 5002 } 5003 5004 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5005 int[] users = sUserManager.getUserIds(); 5006 int res = mInstaller.install(packageName, uid, uid, seinfo); 5007 if (res < 0) { 5008 return res; 5009 } 5010 for (int user : users) { 5011 if (user != 0) { 5012 res = mInstaller.createUserData(packageName, 5013 UserHandle.getUid(user, uid), user, seinfo); 5014 if (res < 0) { 5015 return res; 5016 } 5017 } 5018 } 5019 return res; 5020 } 5021 5022 private int removeDataDirsLI(String packageName) { 5023 int[] users = sUserManager.getUserIds(); 5024 int res = 0; 5025 for (int user : users) { 5026 int resInner = mInstaller.remove(packageName, user); 5027 if (resInner < 0) { 5028 res = resInner; 5029 } 5030 } 5031 5032 return res; 5033 } 5034 5035 private int deleteCodeCacheDirsLI(String packageName) { 5036 int[] users = sUserManager.getUserIds(); 5037 int res = 0; 5038 for (int user : users) { 5039 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5040 if (resInner < 0) { 5041 res = resInner; 5042 } 5043 } 5044 return res; 5045 } 5046 5047 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5048 PackageParser.Package changingLib) { 5049 if (file.path != null) { 5050 usesLibraryFiles.add(file.path); 5051 return; 5052 } 5053 PackageParser.Package p = mPackages.get(file.apk); 5054 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5055 // If we are doing this while in the middle of updating a library apk, 5056 // then we need to make sure to use that new apk for determining the 5057 // dependencies here. (We haven't yet finished committing the new apk 5058 // to the package manager state.) 5059 if (p == null || p.packageName.equals(changingLib.packageName)) { 5060 p = changingLib; 5061 } 5062 } 5063 if (p != null) { 5064 usesLibraryFiles.addAll(p.getAllCodePaths()); 5065 } 5066 } 5067 5068 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5069 PackageParser.Package changingLib) throws PackageManagerException { 5070 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5071 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5072 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5073 for (int i=0; i<N; i++) { 5074 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5075 if (file == null) { 5076 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5077 "Package " + pkg.packageName + " requires unavailable shared library " 5078 + pkg.usesLibraries.get(i) + "; failing!"); 5079 } 5080 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5081 } 5082 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5083 for (int i=0; i<N; i++) { 5084 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5085 if (file == null) { 5086 Slog.w(TAG, "Package " + pkg.packageName 5087 + " desires unavailable shared library " 5088 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5089 } else { 5090 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5091 } 5092 } 5093 N = usesLibraryFiles.size(); 5094 if (N > 0) { 5095 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5096 } else { 5097 pkg.usesLibraryFiles = null; 5098 } 5099 } 5100 } 5101 5102 private static boolean hasString(List<String> list, List<String> which) { 5103 if (list == null) { 5104 return false; 5105 } 5106 for (int i=list.size()-1; i>=0; i--) { 5107 for (int j=which.size()-1; j>=0; j--) { 5108 if (which.get(j).equals(list.get(i))) { 5109 return true; 5110 } 5111 } 5112 } 5113 return false; 5114 } 5115 5116 private void updateAllSharedLibrariesLPw() { 5117 for (PackageParser.Package pkg : mPackages.values()) { 5118 try { 5119 updateSharedLibrariesLPw(pkg, null); 5120 } catch (PackageManagerException e) { 5121 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5122 } 5123 } 5124 } 5125 5126 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5127 PackageParser.Package changingPkg) { 5128 ArrayList<PackageParser.Package> res = null; 5129 for (PackageParser.Package pkg : mPackages.values()) { 5130 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5131 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5132 if (res == null) { 5133 res = new ArrayList<PackageParser.Package>(); 5134 } 5135 res.add(pkg); 5136 try { 5137 updateSharedLibrariesLPw(pkg, changingPkg); 5138 } catch (PackageManagerException e) { 5139 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5140 } 5141 } 5142 } 5143 return res; 5144 } 5145 5146 /** 5147 * Derive the value of the {@code cpuAbiOverride} based on the provided 5148 * value and an optional stored value from the package settings. 5149 */ 5150 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5151 String cpuAbiOverride = null; 5152 5153 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5154 cpuAbiOverride = null; 5155 } else if (abiOverride != null) { 5156 cpuAbiOverride = abiOverride; 5157 } else if (settings != null) { 5158 cpuAbiOverride = settings.cpuAbiOverrideString; 5159 } 5160 5161 return cpuAbiOverride; 5162 } 5163 5164 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5165 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5166 boolean success = false; 5167 try { 5168 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5169 currentTime, user); 5170 success = true; 5171 return res; 5172 } finally { 5173 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5174 removeDataDirsLI(pkg.packageName); 5175 } 5176 } 5177 } 5178 5179 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5180 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5181 final File scanFile = new File(pkg.codePath); 5182 if (pkg.applicationInfo.getCodePath() == null || 5183 pkg.applicationInfo.getResourcePath() == null) { 5184 // Bail out. The resource and code paths haven't been set. 5185 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5186 "Code and resource paths haven't been set correctly"); 5187 } 5188 5189 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5190 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5191 } else { 5192 // Only allow system apps to be flagged as core apps. 5193 pkg.coreApp = false; 5194 } 5195 5196 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5197 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5198 } 5199 5200 if (mCustomResolverComponentName != null && 5201 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5202 setUpCustomResolverActivity(pkg); 5203 } 5204 5205 if (pkg.packageName.equals("android")) { 5206 synchronized (mPackages) { 5207 if (mAndroidApplication != null) { 5208 Slog.w(TAG, "*************************************************"); 5209 Slog.w(TAG, "Core android package being redefined. Skipping."); 5210 Slog.w(TAG, " file=" + scanFile); 5211 Slog.w(TAG, "*************************************************"); 5212 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5213 "Core android package being redefined. Skipping."); 5214 } 5215 5216 // Set up information for our fall-back user intent resolution activity. 5217 mPlatformPackage = pkg; 5218 pkg.mVersionCode = mSdkVersion; 5219 mAndroidApplication = pkg.applicationInfo; 5220 5221 if (!mResolverReplaced) { 5222 mResolveActivity.applicationInfo = mAndroidApplication; 5223 mResolveActivity.name = ResolverActivity.class.getName(); 5224 mResolveActivity.packageName = mAndroidApplication.packageName; 5225 mResolveActivity.processName = "system:ui"; 5226 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5227 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5228 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5229 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5230 mResolveActivity.exported = true; 5231 mResolveActivity.enabled = true; 5232 mResolveInfo.activityInfo = mResolveActivity; 5233 mResolveInfo.priority = 0; 5234 mResolveInfo.preferredOrder = 0; 5235 mResolveInfo.match = 0; 5236 mResolveComponentName = new ComponentName( 5237 mAndroidApplication.packageName, mResolveActivity.name); 5238 } 5239 } 5240 } 5241 5242 if (DEBUG_PACKAGE_SCANNING) { 5243 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5244 Log.d(TAG, "Scanning package " + pkg.packageName); 5245 } 5246 5247 if (mPackages.containsKey(pkg.packageName) 5248 || mSharedLibraries.containsKey(pkg.packageName)) { 5249 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5250 "Application package " + pkg.packageName 5251 + " already installed. Skipping duplicate."); 5252 } 5253 5254 // Initialize package source and resource directories 5255 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5256 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5257 5258 SharedUserSetting suid = null; 5259 PackageSetting pkgSetting = null; 5260 5261 if (!isSystemApp(pkg)) { 5262 // Only system apps can use these features. 5263 pkg.mOriginalPackages = null; 5264 pkg.mRealPackage = null; 5265 pkg.mAdoptPermissions = null; 5266 } 5267 5268 // writer 5269 synchronized (mPackages) { 5270 if (pkg.mSharedUserId != null) { 5271 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5272 if (suid == null) { 5273 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5274 "Creating application package " + pkg.packageName 5275 + " for shared user failed"); 5276 } 5277 if (DEBUG_PACKAGE_SCANNING) { 5278 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5279 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5280 + "): packages=" + suid.packages); 5281 } 5282 } 5283 5284 // Check if we are renaming from an original package name. 5285 PackageSetting origPackage = null; 5286 String realName = null; 5287 if (pkg.mOriginalPackages != null) { 5288 // This package may need to be renamed to a previously 5289 // installed name. Let's check on that... 5290 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5291 if (pkg.mOriginalPackages.contains(renamed)) { 5292 // This package had originally been installed as the 5293 // original name, and we have already taken care of 5294 // transitioning to the new one. Just update the new 5295 // one to continue using the old name. 5296 realName = pkg.mRealPackage; 5297 if (!pkg.packageName.equals(renamed)) { 5298 // Callers into this function may have already taken 5299 // care of renaming the package; only do it here if 5300 // it is not already done. 5301 pkg.setPackageName(renamed); 5302 } 5303 5304 } else { 5305 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5306 if ((origPackage = mSettings.peekPackageLPr( 5307 pkg.mOriginalPackages.get(i))) != null) { 5308 // We do have the package already installed under its 5309 // original name... should we use it? 5310 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5311 // New package is not compatible with original. 5312 origPackage = null; 5313 continue; 5314 } else if (origPackage.sharedUser != null) { 5315 // Make sure uid is compatible between packages. 5316 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5317 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5318 + " to " + pkg.packageName + ": old uid " 5319 + origPackage.sharedUser.name 5320 + " differs from " + pkg.mSharedUserId); 5321 origPackage = null; 5322 continue; 5323 } 5324 } else { 5325 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5326 + pkg.packageName + " to old name " + origPackage.name); 5327 } 5328 break; 5329 } 5330 } 5331 } 5332 } 5333 5334 if (mTransferedPackages.contains(pkg.packageName)) { 5335 Slog.w(TAG, "Package " + pkg.packageName 5336 + " was transferred to another, but its .apk remains"); 5337 } 5338 5339 // Just create the setting, don't add it yet. For already existing packages 5340 // the PkgSetting exists already and doesn't have to be created. 5341 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5342 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5343 pkg.applicationInfo.primaryCpuAbi, 5344 pkg.applicationInfo.secondaryCpuAbi, 5345 pkg.applicationInfo.flags, user, false); 5346 if (pkgSetting == null) { 5347 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5348 "Creating application package " + pkg.packageName + " failed"); 5349 } 5350 5351 if (pkgSetting.origPackage != null) { 5352 // If we are first transitioning from an original package, 5353 // fix up the new package's name now. We need to do this after 5354 // looking up the package under its new name, so getPackageLP 5355 // can take care of fiddling things correctly. 5356 pkg.setPackageName(origPackage.name); 5357 5358 // File a report about this. 5359 String msg = "New package " + pkgSetting.realName 5360 + " renamed to replace old package " + pkgSetting.name; 5361 reportSettingsProblem(Log.WARN, msg); 5362 5363 // Make a note of it. 5364 mTransferedPackages.add(origPackage.name); 5365 5366 // No longer need to retain this. 5367 pkgSetting.origPackage = null; 5368 } 5369 5370 if (realName != null) { 5371 // Make a note of it. 5372 mTransferedPackages.add(pkg.packageName); 5373 } 5374 5375 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5376 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5377 } 5378 5379 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5380 // Check all shared libraries and map to their actual file path. 5381 // We only do this here for apps not on a system dir, because those 5382 // are the only ones that can fail an install due to this. We 5383 // will take care of the system apps by updating all of their 5384 // library paths after the scan is done. 5385 updateSharedLibrariesLPw(pkg, null); 5386 } 5387 5388 if (mFoundPolicyFile) { 5389 SELinuxMMAC.assignSeinfoValue(pkg); 5390 } 5391 5392 pkg.applicationInfo.uid = pkgSetting.appId; 5393 pkg.mExtras = pkgSetting; 5394 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5395 try { 5396 verifySignaturesLP(pkgSetting, pkg); 5397 } catch (PackageManagerException e) { 5398 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5399 throw e; 5400 } 5401 // The signature has changed, but this package is in the system 5402 // image... let's recover! 5403 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5404 // However... if this package is part of a shared user, but it 5405 // doesn't match the signature of the shared user, let's fail. 5406 // What this means is that you can't change the signatures 5407 // associated with an overall shared user, which doesn't seem all 5408 // that unreasonable. 5409 if (pkgSetting.sharedUser != null) { 5410 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5411 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5412 throw new PackageManagerException( 5413 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5414 "Signature mismatch for shared user : " 5415 + pkgSetting.sharedUser); 5416 } 5417 } 5418 // File a report about this. 5419 String msg = "System package " + pkg.packageName 5420 + " signature changed; retaining data."; 5421 reportSettingsProblem(Log.WARN, msg); 5422 } 5423 } else { 5424 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5425 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5426 + pkg.packageName + " upgrade keys do not match the " 5427 + "previously installed version"); 5428 } else { 5429 // signatures may have changed as result of upgrade 5430 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5431 } 5432 } 5433 // Verify that this new package doesn't have any content providers 5434 // that conflict with existing packages. Only do this if the 5435 // package isn't already installed, since we don't want to break 5436 // things that are installed. 5437 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5438 final int N = pkg.providers.size(); 5439 int i; 5440 for (i=0; i<N; i++) { 5441 PackageParser.Provider p = pkg.providers.get(i); 5442 if (p.info.authority != null) { 5443 String names[] = p.info.authority.split(";"); 5444 for (int j = 0; j < names.length; j++) { 5445 if (mProvidersByAuthority.containsKey(names[j])) { 5446 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5447 final String otherPackageName = 5448 ((other != null && other.getComponentName() != null) ? 5449 other.getComponentName().getPackageName() : "?"); 5450 throw new PackageManagerException( 5451 INSTALL_FAILED_CONFLICTING_PROVIDER, 5452 "Can't install because provider name " + names[j] 5453 + " (in package " + pkg.applicationInfo.packageName 5454 + ") is already used by " + otherPackageName); 5455 } 5456 } 5457 } 5458 } 5459 } 5460 5461 if (pkg.mAdoptPermissions != null) { 5462 // This package wants to adopt ownership of permissions from 5463 // another package. 5464 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5465 final String origName = pkg.mAdoptPermissions.get(i); 5466 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5467 if (orig != null) { 5468 if (verifyPackageUpdateLPr(orig, pkg)) { 5469 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5470 + pkg.packageName); 5471 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5472 } 5473 } 5474 } 5475 } 5476 } 5477 5478 final String pkgName = pkg.packageName; 5479 5480 final long scanFileTime = scanFile.lastModified(); 5481 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5482 pkg.applicationInfo.processName = fixProcessName( 5483 pkg.applicationInfo.packageName, 5484 pkg.applicationInfo.processName, 5485 pkg.applicationInfo.uid); 5486 5487 File dataPath; 5488 if (mPlatformPackage == pkg) { 5489 // The system package is special. 5490 dataPath = new File(Environment.getDataDirectory(), "system"); 5491 5492 pkg.applicationInfo.dataDir = dataPath.getPath(); 5493 5494 } else { 5495 // This is a normal package, need to make its data directory. 5496 dataPath = getDataPathForPackage(pkg.packageName, 0); 5497 5498 boolean uidError = false; 5499 if (dataPath.exists()) { 5500 int currentUid = 0; 5501 try { 5502 StructStat stat = Os.stat(dataPath.getPath()); 5503 currentUid = stat.st_uid; 5504 } catch (ErrnoException e) { 5505 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5506 } 5507 5508 // If we have mismatched owners for the data path, we have a problem. 5509 if (currentUid != pkg.applicationInfo.uid) { 5510 boolean recovered = false; 5511 if (currentUid == 0) { 5512 // The directory somehow became owned by root. Wow. 5513 // This is probably because the system was stopped while 5514 // installd was in the middle of messing with its libs 5515 // directory. Ask installd to fix that. 5516 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5517 pkg.applicationInfo.uid); 5518 if (ret >= 0) { 5519 recovered = true; 5520 String msg = "Package " + pkg.packageName 5521 + " unexpectedly changed to uid 0; recovered to " + 5522 + pkg.applicationInfo.uid; 5523 reportSettingsProblem(Log.WARN, msg); 5524 } 5525 } 5526 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5527 || (scanFlags&SCAN_BOOTING) != 0)) { 5528 // If this is a system app, we can at least delete its 5529 // current data so the application will still work. 5530 int ret = removeDataDirsLI(pkgName); 5531 if (ret >= 0) { 5532 // TODO: Kill the processes first 5533 // Old data gone! 5534 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5535 ? "System package " : "Third party package "; 5536 String msg = prefix + pkg.packageName 5537 + " has changed from uid: " 5538 + currentUid + " to " 5539 + pkg.applicationInfo.uid + "; old data erased"; 5540 reportSettingsProblem(Log.WARN, msg); 5541 recovered = true; 5542 5543 // And now re-install the app. 5544 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5545 pkg.applicationInfo.seinfo); 5546 if (ret == -1) { 5547 // Ack should not happen! 5548 msg = prefix + pkg.packageName 5549 + " could not have data directory re-created after delete."; 5550 reportSettingsProblem(Log.WARN, msg); 5551 throw new PackageManagerException( 5552 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5553 } 5554 } 5555 if (!recovered) { 5556 mHasSystemUidErrors = true; 5557 } 5558 } else if (!recovered) { 5559 // If we allow this install to proceed, we will be broken. 5560 // Abort, abort! 5561 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5562 "scanPackageLI"); 5563 } 5564 if (!recovered) { 5565 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5566 + pkg.applicationInfo.uid + "/fs_" 5567 + currentUid; 5568 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5569 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5570 String msg = "Package " + pkg.packageName 5571 + " has mismatched uid: " 5572 + currentUid + " on disk, " 5573 + pkg.applicationInfo.uid + " in settings"; 5574 // writer 5575 synchronized (mPackages) { 5576 mSettings.mReadMessages.append(msg); 5577 mSettings.mReadMessages.append('\n'); 5578 uidError = true; 5579 if (!pkgSetting.uidError) { 5580 reportSettingsProblem(Log.ERROR, msg); 5581 } 5582 } 5583 } 5584 } 5585 pkg.applicationInfo.dataDir = dataPath.getPath(); 5586 if (mShouldRestoreconData) { 5587 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5588 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5589 pkg.applicationInfo.uid); 5590 } 5591 } else { 5592 if (DEBUG_PACKAGE_SCANNING) { 5593 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5594 Log.v(TAG, "Want this data dir: " + dataPath); 5595 } 5596 //invoke installer to do the actual installation 5597 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5598 pkg.applicationInfo.seinfo); 5599 if (ret < 0) { 5600 // Error from installer 5601 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5602 "Unable to create data dirs [errorCode=" + ret + "]"); 5603 } 5604 5605 if (dataPath.exists()) { 5606 pkg.applicationInfo.dataDir = dataPath.getPath(); 5607 } else { 5608 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5609 pkg.applicationInfo.dataDir = null; 5610 } 5611 } 5612 5613 pkgSetting.uidError = uidError; 5614 } 5615 5616 final String path = scanFile.getPath(); 5617 final String codePath = pkg.applicationInfo.getCodePath(); 5618 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5619 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5620 setBundledAppAbisAndRoots(pkg, pkgSetting); 5621 5622 // If we haven't found any native libraries for the app, check if it has 5623 // renderscript code. We'll need to force the app to 32 bit if it has 5624 // renderscript bitcode. 5625 if (pkg.applicationInfo.primaryCpuAbi == null 5626 && pkg.applicationInfo.secondaryCpuAbi == null 5627 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5628 NativeLibraryHelper.Handle handle = null; 5629 try { 5630 handle = NativeLibraryHelper.Handle.create(scanFile); 5631 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5632 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5633 } 5634 } catch (IOException ioe) { 5635 Slog.w(TAG, "Error scanning system app : " + ioe); 5636 } finally { 5637 IoUtils.closeQuietly(handle); 5638 } 5639 } 5640 5641 setNativeLibraryPaths(pkg); 5642 } else { 5643 // TODO: We can probably be smarter about this stuff. For installed apps, 5644 // we can calculate this information at install time once and for all. For 5645 // system apps, we can probably assume that this information doesn't change 5646 // after the first boot scan. As things stand, we do lots of unnecessary work. 5647 5648 // Give ourselves some initial paths; we'll come back for another 5649 // pass once we've determined ABI below. 5650 setNativeLibraryPaths(pkg); 5651 5652 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5653 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5654 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5655 5656 NativeLibraryHelper.Handle handle = null; 5657 try { 5658 handle = NativeLibraryHelper.Handle.create(scanFile); 5659 // TODO(multiArch): This can be null for apps that didn't go through the 5660 // usual installation process. We can calculate it again, like we 5661 // do during install time. 5662 // 5663 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5664 // unnecessary. 5665 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5666 5667 // Null out the abis so that they can be recalculated. 5668 pkg.applicationInfo.primaryCpuAbi = null; 5669 pkg.applicationInfo.secondaryCpuAbi = null; 5670 if (isMultiArch(pkg.applicationInfo)) { 5671 // Warn if we've set an abiOverride for multi-lib packages.. 5672 // By definition, we need to copy both 32 and 64 bit libraries for 5673 // such packages. 5674 if (pkg.cpuAbiOverride != null 5675 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5676 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5677 } 5678 5679 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5680 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5681 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5682 if (isAsec) { 5683 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5684 } else { 5685 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5686 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5687 useIsaSpecificSubdirs); 5688 } 5689 } 5690 5691 maybeThrowExceptionForMultiArchCopy( 5692 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5693 5694 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5695 if (isAsec) { 5696 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5697 } else { 5698 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5699 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5700 useIsaSpecificSubdirs); 5701 } 5702 } 5703 5704 maybeThrowExceptionForMultiArchCopy( 5705 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5706 5707 if (abi64 >= 0) { 5708 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5709 } 5710 5711 if (abi32 >= 0) { 5712 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5713 if (abi64 >= 0) { 5714 pkg.applicationInfo.secondaryCpuAbi = abi; 5715 } else { 5716 pkg.applicationInfo.primaryCpuAbi = abi; 5717 } 5718 } 5719 } else { 5720 String[] abiList = (cpuAbiOverride != null) ? 5721 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5722 5723 // Enable gross and lame hacks for apps that are built with old 5724 // SDK tools. We must scan their APKs for renderscript bitcode and 5725 // not launch them if it's present. Don't bother checking on devices 5726 // that don't have 64 bit support. 5727 boolean needsRenderScriptOverride = false; 5728 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5729 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5730 abiList = Build.SUPPORTED_32_BIT_ABIS; 5731 needsRenderScriptOverride = true; 5732 } 5733 5734 final int copyRet; 5735 if (isAsec) { 5736 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5737 } else { 5738 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5739 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5740 } 5741 5742 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5743 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5744 "Error unpackaging native libs for app, errorCode=" + copyRet); 5745 } 5746 5747 if (copyRet >= 0) { 5748 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5749 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5750 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5751 } else if (needsRenderScriptOverride) { 5752 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5753 } 5754 } 5755 } catch (IOException ioe) { 5756 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5757 } finally { 5758 IoUtils.closeQuietly(handle); 5759 } 5760 5761 // Now that we've calculated the ABIs and determined if it's an internal app, 5762 // we will go ahead and populate the nativeLibraryPath. 5763 setNativeLibraryPaths(pkg); 5764 5765 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5766 final int[] userIds = sUserManager.getUserIds(); 5767 synchronized (mInstallLock) { 5768 // Create a native library symlink only if we have native libraries 5769 // and if the native libraries are 32 bit libraries. We do not provide 5770 // this symlink for 64 bit libraries. 5771 if (pkg.applicationInfo.primaryCpuAbi != null && 5772 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5773 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5774 for (int userId : userIds) { 5775 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5776 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5777 "Failed linking native library dir (user=" + userId + ")"); 5778 } 5779 } 5780 } 5781 } 5782 } 5783 5784 // This is a special case for the "system" package, where the ABI is 5785 // dictated by the zygote configuration (and init.rc). We should keep track 5786 // of this ABI so that we can deal with "normal" applications that run under 5787 // the same UID correctly. 5788 if (mPlatformPackage == pkg) { 5789 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5790 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5791 } 5792 5793 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5794 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5795 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5796 // Copy the derived override back to the parsed package, so that we can 5797 // update the package settings accordingly. 5798 pkg.cpuAbiOverride = cpuAbiOverride; 5799 5800 if (DEBUG_ABI_SELECTION) { 5801 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5802 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5803 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5804 } 5805 5806 // Push the derived path down into PackageSettings so we know what to 5807 // clean up at uninstall time. 5808 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5809 5810 if (DEBUG_ABI_SELECTION) { 5811 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5812 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5813 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5814 } 5815 5816 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5817 // We don't do this here during boot because we can do it all 5818 // at once after scanning all existing packages. 5819 // 5820 // We also do this *before* we perform dexopt on this package, so that 5821 // we can avoid redundant dexopts, and also to make sure we've got the 5822 // code and package path correct. 5823 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5824 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5825 } 5826 5827 if ((scanFlags & SCAN_NO_DEX) == 0) { 5828 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5829 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5830 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5831 } 5832 } 5833 5834 if (mFactoryTest && pkg.requestedPermissions.contains( 5835 android.Manifest.permission.FACTORY_TEST)) { 5836 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5837 } 5838 5839 ArrayList<PackageParser.Package> clientLibPkgs = null; 5840 5841 // writer 5842 synchronized (mPackages) { 5843 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5844 // Only system apps can add new shared libraries. 5845 if (pkg.libraryNames != null) { 5846 for (int i=0; i<pkg.libraryNames.size(); i++) { 5847 String name = pkg.libraryNames.get(i); 5848 boolean allowed = false; 5849 if (isUpdatedSystemApp(pkg)) { 5850 // New library entries can only be added through the 5851 // system image. This is important to get rid of a lot 5852 // of nasty edge cases: for example if we allowed a non- 5853 // system update of the app to add a library, then uninstalling 5854 // the update would make the library go away, and assumptions 5855 // we made such as through app install filtering would now 5856 // have allowed apps on the device which aren't compatible 5857 // with it. Better to just have the restriction here, be 5858 // conservative, and create many fewer cases that can negatively 5859 // impact the user experience. 5860 final PackageSetting sysPs = mSettings 5861 .getDisabledSystemPkgLPr(pkg.packageName); 5862 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5863 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5864 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5865 allowed = true; 5866 allowed = true; 5867 break; 5868 } 5869 } 5870 } 5871 } else { 5872 allowed = true; 5873 } 5874 if (allowed) { 5875 if (!mSharedLibraries.containsKey(name)) { 5876 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5877 } else if (!name.equals(pkg.packageName)) { 5878 Slog.w(TAG, "Package " + pkg.packageName + " library " 5879 + name + " already exists; skipping"); 5880 } 5881 } else { 5882 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5883 + name + " that is not declared on system image; skipping"); 5884 } 5885 } 5886 if ((scanFlags&SCAN_BOOTING) == 0) { 5887 // If we are not booting, we need to update any applications 5888 // that are clients of our shared library. If we are booting, 5889 // this will all be done once the scan is complete. 5890 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5891 } 5892 } 5893 } 5894 } 5895 5896 // We also need to dexopt any apps that are dependent on this library. Note that 5897 // if these fail, we should abort the install since installing the library will 5898 // result in some apps being broken. 5899 if (clientLibPkgs != null) { 5900 if ((scanFlags & SCAN_NO_DEX) == 0) { 5901 for (int i = 0; i < clientLibPkgs.size(); i++) { 5902 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5903 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5904 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5905 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5906 "scanPackageLI failed to dexopt clientLibPkgs"); 5907 } 5908 } 5909 } 5910 } 5911 5912 // Request the ActivityManager to kill the process(only for existing packages) 5913 // so that we do not end up in a confused state while the user is still using the older 5914 // version of the application while the new one gets installed. 5915 if ((scanFlags & SCAN_REPLACING) != 0) { 5916 killApplication(pkg.applicationInfo.packageName, 5917 pkg.applicationInfo.uid, "update pkg"); 5918 } 5919 5920 // Also need to kill any apps that are dependent on the library. 5921 if (clientLibPkgs != null) { 5922 for (int i=0; i<clientLibPkgs.size(); i++) { 5923 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5924 killApplication(clientPkg.applicationInfo.packageName, 5925 clientPkg.applicationInfo.uid, "update lib"); 5926 } 5927 } 5928 5929 // writer 5930 synchronized (mPackages) { 5931 // We don't expect installation to fail beyond this point 5932 5933 // Add the new setting to mSettings 5934 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5935 // Add the new setting to mPackages 5936 mPackages.put(pkg.applicationInfo.packageName, pkg); 5937 // Make sure we don't accidentally delete its data. 5938 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5939 while (iter.hasNext()) { 5940 PackageCleanItem item = iter.next(); 5941 if (pkgName.equals(item.packageName)) { 5942 iter.remove(); 5943 } 5944 } 5945 5946 // Take care of first install / last update times. 5947 if (currentTime != 0) { 5948 if (pkgSetting.firstInstallTime == 0) { 5949 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5950 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5951 pkgSetting.lastUpdateTime = currentTime; 5952 } 5953 } else if (pkgSetting.firstInstallTime == 0) { 5954 // We need *something*. Take time time stamp of the file. 5955 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5956 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5957 if (scanFileTime != pkgSetting.timeStamp) { 5958 // A package on the system image has changed; consider this 5959 // to be an update. 5960 pkgSetting.lastUpdateTime = scanFileTime; 5961 } 5962 } 5963 5964 // Add the package's KeySets to the global KeySetManagerService 5965 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5966 try { 5967 // Old KeySetData no longer valid. 5968 ksms.removeAppKeySetDataLPw(pkg.packageName); 5969 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5970 if (pkg.mKeySetMapping != null) { 5971 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5972 pkg.mKeySetMapping.entrySet()) { 5973 if (entry.getValue() != null) { 5974 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5975 entry.getValue(), entry.getKey()); 5976 } 5977 } 5978 if (pkg.mUpgradeKeySets != null) { 5979 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5980 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5981 } 5982 } 5983 } 5984 } catch (NullPointerException e) { 5985 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5986 } catch (IllegalArgumentException e) { 5987 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5988 } 5989 5990 int N = pkg.providers.size(); 5991 StringBuilder r = null; 5992 int i; 5993 for (i=0; i<N; i++) { 5994 PackageParser.Provider p = pkg.providers.get(i); 5995 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5996 p.info.processName, pkg.applicationInfo.uid); 5997 mProviders.addProvider(p); 5998 p.syncable = p.info.isSyncable; 5999 if (p.info.authority != null) { 6000 String names[] = p.info.authority.split(";"); 6001 p.info.authority = null; 6002 for (int j = 0; j < names.length; j++) { 6003 if (j == 1 && p.syncable) { 6004 // We only want the first authority for a provider to possibly be 6005 // syncable, so if we already added this provider using a different 6006 // authority clear the syncable flag. We copy the provider before 6007 // changing it because the mProviders object contains a reference 6008 // to a provider that we don't want to change. 6009 // Only do this for the second authority since the resulting provider 6010 // object can be the same for all future authorities for this provider. 6011 p = new PackageParser.Provider(p); 6012 p.syncable = false; 6013 } 6014 if (!mProvidersByAuthority.containsKey(names[j])) { 6015 mProvidersByAuthority.put(names[j], p); 6016 if (p.info.authority == null) { 6017 p.info.authority = names[j]; 6018 } else { 6019 p.info.authority = p.info.authority + ";" + names[j]; 6020 } 6021 if (DEBUG_PACKAGE_SCANNING) { 6022 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6023 Log.d(TAG, "Registered content provider: " + names[j] 6024 + ", className = " + p.info.name + ", isSyncable = " 6025 + p.info.isSyncable); 6026 } 6027 } else { 6028 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6029 Slog.w(TAG, "Skipping provider name " + names[j] + 6030 " (in package " + pkg.applicationInfo.packageName + 6031 "): name already used by " 6032 + ((other != null && other.getComponentName() != null) 6033 ? other.getComponentName().getPackageName() : "?")); 6034 } 6035 } 6036 } 6037 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6038 if (r == null) { 6039 r = new StringBuilder(256); 6040 } else { 6041 r.append(' '); 6042 } 6043 r.append(p.info.name); 6044 } 6045 } 6046 if (r != null) { 6047 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6048 } 6049 6050 N = pkg.services.size(); 6051 r = null; 6052 for (i=0; i<N; i++) { 6053 PackageParser.Service s = pkg.services.get(i); 6054 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6055 s.info.processName, pkg.applicationInfo.uid); 6056 mServices.addService(s); 6057 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6058 if (r == null) { 6059 r = new StringBuilder(256); 6060 } else { 6061 r.append(' '); 6062 } 6063 r.append(s.info.name); 6064 } 6065 } 6066 if (r != null) { 6067 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6068 } 6069 6070 N = pkg.receivers.size(); 6071 r = null; 6072 for (i=0; i<N; i++) { 6073 PackageParser.Activity a = pkg.receivers.get(i); 6074 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6075 a.info.processName, pkg.applicationInfo.uid); 6076 mReceivers.addActivity(a, "receiver"); 6077 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6078 if (r == null) { 6079 r = new StringBuilder(256); 6080 } else { 6081 r.append(' '); 6082 } 6083 r.append(a.info.name); 6084 } 6085 } 6086 if (r != null) { 6087 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6088 } 6089 6090 N = pkg.activities.size(); 6091 r = null; 6092 for (i=0; i<N; i++) { 6093 PackageParser.Activity a = pkg.activities.get(i); 6094 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6095 a.info.processName, pkg.applicationInfo.uid); 6096 mActivities.addActivity(a, "activity"); 6097 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6098 if (r == null) { 6099 r = new StringBuilder(256); 6100 } else { 6101 r.append(' '); 6102 } 6103 r.append(a.info.name); 6104 } 6105 } 6106 if (r != null) { 6107 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6108 } 6109 6110 N = pkg.permissionGroups.size(); 6111 r = null; 6112 for (i=0; i<N; i++) { 6113 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6114 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6115 if (cur == null) { 6116 mPermissionGroups.put(pg.info.name, pg); 6117 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6118 if (r == null) { 6119 r = new StringBuilder(256); 6120 } else { 6121 r.append(' '); 6122 } 6123 r.append(pg.info.name); 6124 } 6125 } else { 6126 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6127 + pg.info.packageName + " ignored: original from " 6128 + cur.info.packageName); 6129 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6130 if (r == null) { 6131 r = new StringBuilder(256); 6132 } else { 6133 r.append(' '); 6134 } 6135 r.append("DUP:"); 6136 r.append(pg.info.name); 6137 } 6138 } 6139 } 6140 if (r != null) { 6141 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6142 } 6143 6144 N = pkg.permissions.size(); 6145 r = null; 6146 for (i=0; i<N; i++) { 6147 PackageParser.Permission p = pkg.permissions.get(i); 6148 ArrayMap<String, BasePermission> permissionMap = 6149 p.tree ? mSettings.mPermissionTrees 6150 : mSettings.mPermissions; 6151 p.group = mPermissionGroups.get(p.info.group); 6152 if (p.info.group == null || p.group != null) { 6153 BasePermission bp = permissionMap.get(p.info.name); 6154 6155 // Allow system apps to redefine non-system permissions 6156 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6157 final boolean currentOwnerIsSystem = (bp.perm != null 6158 && isSystemApp(bp.perm.owner)); 6159 if (isSystemApp(p.owner)) { 6160 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6161 // It's a built-in permission and no owner, take ownership now 6162 bp.packageSetting = pkgSetting; 6163 bp.perm = p; 6164 bp.uid = pkg.applicationInfo.uid; 6165 bp.sourcePackage = p.info.packageName; 6166 } else if (!currentOwnerIsSystem) { 6167 String msg = "New decl " + p.owner + " of permission " 6168 + p.info.name + " is system; overriding " + bp.sourcePackage; 6169 reportSettingsProblem(Log.WARN, msg); 6170 bp = null; 6171 } 6172 } 6173 } 6174 6175 if (bp == null) { 6176 bp = new BasePermission(p.info.name, p.info.packageName, 6177 BasePermission.TYPE_NORMAL); 6178 permissionMap.put(p.info.name, bp); 6179 } 6180 6181 if (bp.perm == null) { 6182 if (bp.sourcePackage == null 6183 || bp.sourcePackage.equals(p.info.packageName)) { 6184 BasePermission tree = findPermissionTreeLP(p.info.name); 6185 if (tree == null 6186 || tree.sourcePackage.equals(p.info.packageName)) { 6187 bp.packageSetting = pkgSetting; 6188 bp.perm = p; 6189 bp.uid = pkg.applicationInfo.uid; 6190 bp.sourcePackage = p.info.packageName; 6191 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6192 if (r == null) { 6193 r = new StringBuilder(256); 6194 } else { 6195 r.append(' '); 6196 } 6197 r.append(p.info.name); 6198 } 6199 } else { 6200 Slog.w(TAG, "Permission " + p.info.name + " from package " 6201 + p.info.packageName + " ignored: base tree " 6202 + tree.name + " is from package " 6203 + tree.sourcePackage); 6204 } 6205 } else { 6206 Slog.w(TAG, "Permission " + p.info.name + " from package " 6207 + p.info.packageName + " ignored: original from " 6208 + bp.sourcePackage); 6209 } 6210 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6211 if (r == null) { 6212 r = new StringBuilder(256); 6213 } else { 6214 r.append(' '); 6215 } 6216 r.append("DUP:"); 6217 r.append(p.info.name); 6218 } 6219 if (bp.perm == p) { 6220 bp.protectionLevel = p.info.protectionLevel; 6221 } 6222 } else { 6223 Slog.w(TAG, "Permission " + p.info.name + " from package " 6224 + p.info.packageName + " ignored: no group " 6225 + p.group); 6226 } 6227 } 6228 if (r != null) { 6229 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6230 } 6231 6232 N = pkg.instrumentation.size(); 6233 r = null; 6234 for (i=0; i<N; i++) { 6235 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6236 a.info.packageName = pkg.applicationInfo.packageName; 6237 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6238 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6239 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6240 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6241 a.info.dataDir = pkg.applicationInfo.dataDir; 6242 6243 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6244 // need other information about the application, like the ABI and what not ? 6245 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6246 mInstrumentation.put(a.getComponentName(), a); 6247 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6248 if (r == null) { 6249 r = new StringBuilder(256); 6250 } else { 6251 r.append(' '); 6252 } 6253 r.append(a.info.name); 6254 } 6255 } 6256 if (r != null) { 6257 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6258 } 6259 6260 if (pkg.protectedBroadcasts != null) { 6261 N = pkg.protectedBroadcasts.size(); 6262 for (i=0; i<N; i++) { 6263 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6264 } 6265 } 6266 6267 pkgSetting.setTimeStamp(scanFileTime); 6268 6269 // Create idmap files for pairs of (packages, overlay packages). 6270 // Note: "android", ie framework-res.apk, is handled by native layers. 6271 if (pkg.mOverlayTarget != null) { 6272 // This is an overlay package. 6273 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6274 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6275 mOverlays.put(pkg.mOverlayTarget, 6276 new ArrayMap<String, PackageParser.Package>()); 6277 } 6278 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6279 map.put(pkg.packageName, pkg); 6280 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6281 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6282 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6283 "scanPackageLI failed to createIdmap"); 6284 } 6285 } 6286 } else if (mOverlays.containsKey(pkg.packageName) && 6287 !pkg.packageName.equals("android")) { 6288 // This is a regular package, with one or more known overlay packages. 6289 createIdmapsForPackageLI(pkg); 6290 } 6291 } 6292 6293 return pkg; 6294 } 6295 6296 /** 6297 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6298 * i.e, so that all packages can be run inside a single process if required. 6299 * 6300 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6301 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6302 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6303 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6304 * updating a package that belongs to a shared user. 6305 * 6306 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6307 * adds unnecessary complexity. 6308 */ 6309 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6310 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6311 String requiredInstructionSet = null; 6312 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6313 requiredInstructionSet = VMRuntime.getInstructionSet( 6314 scannedPackage.applicationInfo.primaryCpuAbi); 6315 } 6316 6317 PackageSetting requirer = null; 6318 for (PackageSetting ps : packagesForUser) { 6319 // If packagesForUser contains scannedPackage, we skip it. This will happen 6320 // when scannedPackage is an update of an existing package. Without this check, 6321 // we will never be able to change the ABI of any package belonging to a shared 6322 // user, even if it's compatible with other packages. 6323 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6324 if (ps.primaryCpuAbiString == null) { 6325 continue; 6326 } 6327 6328 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6329 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6330 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6331 // this but there's not much we can do. 6332 String errorMessage = "Instruction set mismatch, " 6333 + ((requirer == null) ? "[caller]" : requirer) 6334 + " requires " + requiredInstructionSet + " whereas " + ps 6335 + " requires " + instructionSet; 6336 Slog.w(TAG, errorMessage); 6337 } 6338 6339 if (requiredInstructionSet == null) { 6340 requiredInstructionSet = instructionSet; 6341 requirer = ps; 6342 } 6343 } 6344 } 6345 6346 if (requiredInstructionSet != null) { 6347 String adjustedAbi; 6348 if (requirer != null) { 6349 // requirer != null implies that either scannedPackage was null or that scannedPackage 6350 // did not require an ABI, in which case we have to adjust scannedPackage to match 6351 // the ABI of the set (which is the same as requirer's ABI) 6352 adjustedAbi = requirer.primaryCpuAbiString; 6353 if (scannedPackage != null) { 6354 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6355 } 6356 } else { 6357 // requirer == null implies that we're updating all ABIs in the set to 6358 // match scannedPackage. 6359 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6360 } 6361 6362 for (PackageSetting ps : packagesForUser) { 6363 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6364 if (ps.primaryCpuAbiString != null) { 6365 continue; 6366 } 6367 6368 ps.primaryCpuAbiString = adjustedAbi; 6369 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6370 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6371 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6372 6373 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6374 deferDexOpt, true) == DEX_OPT_FAILED) { 6375 ps.primaryCpuAbiString = null; 6376 ps.pkg.applicationInfo.primaryCpuAbi = null; 6377 return; 6378 } else { 6379 mInstaller.rmdex(ps.codePathString, 6380 getDexCodeInstructionSet(getPreferredInstructionSet())); 6381 } 6382 } 6383 } 6384 } 6385 } 6386 } 6387 6388 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6389 synchronized (mPackages) { 6390 mResolverReplaced = true; 6391 // Set up information for custom user intent resolution activity. 6392 mResolveActivity.applicationInfo = pkg.applicationInfo; 6393 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6394 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6395 mResolveActivity.processName = null; 6396 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6397 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6398 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6399 mResolveActivity.theme = 0; 6400 mResolveActivity.exported = true; 6401 mResolveActivity.enabled = true; 6402 mResolveInfo.activityInfo = mResolveActivity; 6403 mResolveInfo.priority = 0; 6404 mResolveInfo.preferredOrder = 0; 6405 mResolveInfo.match = 0; 6406 mResolveComponentName = mCustomResolverComponentName; 6407 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6408 mResolveComponentName); 6409 } 6410 } 6411 6412 private static String calculateBundledApkRoot(final String codePathString) { 6413 final File codePath = new File(codePathString); 6414 final File codeRoot; 6415 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6416 codeRoot = Environment.getRootDirectory(); 6417 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6418 codeRoot = Environment.getOemDirectory(); 6419 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6420 codeRoot = Environment.getVendorDirectory(); 6421 } else { 6422 // Unrecognized code path; take its top real segment as the apk root: 6423 // e.g. /something/app/blah.apk => /something 6424 try { 6425 File f = codePath.getCanonicalFile(); 6426 File parent = f.getParentFile(); // non-null because codePath is a file 6427 File tmp; 6428 while ((tmp = parent.getParentFile()) != null) { 6429 f = parent; 6430 parent = tmp; 6431 } 6432 codeRoot = f; 6433 Slog.w(TAG, "Unrecognized code path " 6434 + codePath + " - using " + codeRoot); 6435 } catch (IOException e) { 6436 // Can't canonicalize the code path -- shenanigans? 6437 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6438 return Environment.getRootDirectory().getPath(); 6439 } 6440 } 6441 return codeRoot.getPath(); 6442 } 6443 6444 /** 6445 * Derive and set the location of native libraries for the given package, 6446 * which varies depending on where and how the package was installed. 6447 */ 6448 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6449 final ApplicationInfo info = pkg.applicationInfo; 6450 final String codePath = pkg.codePath; 6451 final File codeFile = new File(codePath); 6452 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6453 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6454 6455 info.nativeLibraryRootDir = null; 6456 info.nativeLibraryRootRequiresIsa = false; 6457 info.nativeLibraryDir = null; 6458 info.secondaryNativeLibraryDir = null; 6459 6460 if (isApkFile(codeFile)) { 6461 // Monolithic install 6462 if (bundledApp) { 6463 // If "/system/lib64/apkname" exists, assume that is the per-package 6464 // native library directory to use; otherwise use "/system/lib/apkname". 6465 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6466 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6467 getPrimaryInstructionSet(info)); 6468 6469 // This is a bundled system app so choose the path based on the ABI. 6470 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6471 // is just the default path. 6472 final String apkName = deriveCodePathName(codePath); 6473 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6474 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6475 apkName).getAbsolutePath(); 6476 6477 if (info.secondaryCpuAbi != null) { 6478 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6479 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6480 secondaryLibDir, apkName).getAbsolutePath(); 6481 } 6482 } else if (asecApp) { 6483 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6484 .getAbsolutePath(); 6485 } else { 6486 final String apkName = deriveCodePathName(codePath); 6487 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6488 .getAbsolutePath(); 6489 } 6490 6491 info.nativeLibraryRootRequiresIsa = false; 6492 info.nativeLibraryDir = info.nativeLibraryRootDir; 6493 } else { 6494 // Cluster install 6495 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6496 info.nativeLibraryRootRequiresIsa = true; 6497 6498 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6499 getPrimaryInstructionSet(info)).getAbsolutePath(); 6500 6501 if (info.secondaryCpuAbi != null) { 6502 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6503 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6504 } 6505 } 6506 } 6507 6508 /** 6509 * Calculate the abis and roots for a bundled app. These can uniquely 6510 * be determined from the contents of the system partition, i.e whether 6511 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6512 * of this information, and instead assume that the system was built 6513 * sensibly. 6514 */ 6515 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6516 PackageSetting pkgSetting) { 6517 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6518 6519 // If "/system/lib64/apkname" exists, assume that is the per-package 6520 // native library directory to use; otherwise use "/system/lib/apkname". 6521 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6522 setBundledAppAbi(pkg, apkRoot, apkName); 6523 // pkgSetting might be null during rescan following uninstall of updates 6524 // to a bundled app, so accommodate that possibility. The settings in 6525 // that case will be established later from the parsed package. 6526 // 6527 // If the settings aren't null, sync them up with what we've just derived. 6528 // note that apkRoot isn't stored in the package settings. 6529 if (pkgSetting != null) { 6530 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6531 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6532 } 6533 } 6534 6535 /** 6536 * Deduces the ABI of a bundled app and sets the relevant fields on the 6537 * parsed pkg object. 6538 * 6539 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6540 * under which system libraries are installed. 6541 * @param apkName the name of the installed package. 6542 */ 6543 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6544 final File codeFile = new File(pkg.codePath); 6545 6546 final boolean has64BitLibs; 6547 final boolean has32BitLibs; 6548 if (isApkFile(codeFile)) { 6549 // Monolithic install 6550 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6551 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6552 } else { 6553 // Cluster install 6554 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6555 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6556 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6557 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6558 has64BitLibs = (new File(rootDir, isa)).exists(); 6559 } else { 6560 has64BitLibs = false; 6561 } 6562 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6563 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6564 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6565 has32BitLibs = (new File(rootDir, isa)).exists(); 6566 } else { 6567 has32BitLibs = false; 6568 } 6569 } 6570 6571 if (has64BitLibs && !has32BitLibs) { 6572 // The package has 64 bit libs, but not 32 bit libs. Its primary 6573 // ABI should be 64 bit. We can safely assume here that the bundled 6574 // native libraries correspond to the most preferred ABI in the list. 6575 6576 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6577 pkg.applicationInfo.secondaryCpuAbi = null; 6578 } else if (has32BitLibs && !has64BitLibs) { 6579 // The package has 32 bit libs but not 64 bit libs. Its primary 6580 // ABI should be 32 bit. 6581 6582 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6583 pkg.applicationInfo.secondaryCpuAbi = null; 6584 } else if (has32BitLibs && has64BitLibs) { 6585 // The application has both 64 and 32 bit bundled libraries. We check 6586 // here that the app declares multiArch support, and warn if it doesn't. 6587 // 6588 // We will be lenient here and record both ABIs. The primary will be the 6589 // ABI that's higher on the list, i.e, a device that's configured to prefer 6590 // 64 bit apps will see a 64 bit primary ABI, 6591 6592 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6593 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6594 } 6595 6596 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6597 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6598 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6599 } else { 6600 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6601 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6602 } 6603 } else { 6604 pkg.applicationInfo.primaryCpuAbi = null; 6605 pkg.applicationInfo.secondaryCpuAbi = null; 6606 } 6607 } 6608 6609 private void killApplication(String pkgName, int appId, String reason) { 6610 // Request the ActivityManager to kill the process(only for existing packages) 6611 // so that we do not end up in a confused state while the user is still using the older 6612 // version of the application while the new one gets installed. 6613 IActivityManager am = ActivityManagerNative.getDefault(); 6614 if (am != null) { 6615 try { 6616 am.killApplicationWithAppId(pkgName, appId, reason); 6617 } catch (RemoteException e) { 6618 } 6619 } 6620 } 6621 6622 void removePackageLI(PackageSetting ps, boolean chatty) { 6623 if (DEBUG_INSTALL) { 6624 if (chatty) 6625 Log.d(TAG, "Removing package " + ps.name); 6626 } 6627 6628 // writer 6629 synchronized (mPackages) { 6630 mPackages.remove(ps.name); 6631 final PackageParser.Package pkg = ps.pkg; 6632 if (pkg != null) { 6633 cleanPackageDataStructuresLILPw(pkg, chatty); 6634 } 6635 } 6636 } 6637 6638 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6639 if (DEBUG_INSTALL) { 6640 if (chatty) 6641 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6642 } 6643 6644 // writer 6645 synchronized (mPackages) { 6646 mPackages.remove(pkg.applicationInfo.packageName); 6647 cleanPackageDataStructuresLILPw(pkg, chatty); 6648 } 6649 } 6650 6651 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6652 int N = pkg.providers.size(); 6653 StringBuilder r = null; 6654 int i; 6655 for (i=0; i<N; i++) { 6656 PackageParser.Provider p = pkg.providers.get(i); 6657 mProviders.removeProvider(p); 6658 if (p.info.authority == null) { 6659 6660 /* There was another ContentProvider with this authority when 6661 * this app was installed so this authority is null, 6662 * Ignore it as we don't have to unregister the provider. 6663 */ 6664 continue; 6665 } 6666 String names[] = p.info.authority.split(";"); 6667 for (int j = 0; j < names.length; j++) { 6668 if (mProvidersByAuthority.get(names[j]) == p) { 6669 mProvidersByAuthority.remove(names[j]); 6670 if (DEBUG_REMOVE) { 6671 if (chatty) 6672 Log.d(TAG, "Unregistered content provider: " + names[j] 6673 + ", className = " + p.info.name + ", isSyncable = " 6674 + p.info.isSyncable); 6675 } 6676 } 6677 } 6678 if (DEBUG_REMOVE && chatty) { 6679 if (r == null) { 6680 r = new StringBuilder(256); 6681 } else { 6682 r.append(' '); 6683 } 6684 r.append(p.info.name); 6685 } 6686 } 6687 if (r != null) { 6688 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6689 } 6690 6691 N = pkg.services.size(); 6692 r = null; 6693 for (i=0; i<N; i++) { 6694 PackageParser.Service s = pkg.services.get(i); 6695 mServices.removeService(s); 6696 if (chatty) { 6697 if (r == null) { 6698 r = new StringBuilder(256); 6699 } else { 6700 r.append(' '); 6701 } 6702 r.append(s.info.name); 6703 } 6704 } 6705 if (r != null) { 6706 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6707 } 6708 6709 N = pkg.receivers.size(); 6710 r = null; 6711 for (i=0; i<N; i++) { 6712 PackageParser.Activity a = pkg.receivers.get(i); 6713 mReceivers.removeActivity(a, "receiver"); 6714 if (DEBUG_REMOVE && chatty) { 6715 if (r == null) { 6716 r = new StringBuilder(256); 6717 } else { 6718 r.append(' '); 6719 } 6720 r.append(a.info.name); 6721 } 6722 } 6723 if (r != null) { 6724 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6725 } 6726 6727 N = pkg.activities.size(); 6728 r = null; 6729 for (i=0; i<N; i++) { 6730 PackageParser.Activity a = pkg.activities.get(i); 6731 mActivities.removeActivity(a, "activity"); 6732 if (DEBUG_REMOVE && chatty) { 6733 if (r == null) { 6734 r = new StringBuilder(256); 6735 } else { 6736 r.append(' '); 6737 } 6738 r.append(a.info.name); 6739 } 6740 } 6741 if (r != null) { 6742 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6743 } 6744 6745 N = pkg.permissions.size(); 6746 r = null; 6747 for (i=0; i<N; i++) { 6748 PackageParser.Permission p = pkg.permissions.get(i); 6749 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6750 if (bp == null) { 6751 bp = mSettings.mPermissionTrees.get(p.info.name); 6752 } 6753 if (bp != null && bp.perm == p) { 6754 bp.perm = null; 6755 if (DEBUG_REMOVE && chatty) { 6756 if (r == null) { 6757 r = new StringBuilder(256); 6758 } else { 6759 r.append(' '); 6760 } 6761 r.append(p.info.name); 6762 } 6763 } 6764 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6765 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6766 if (appOpPerms != null) { 6767 appOpPerms.remove(pkg.packageName); 6768 } 6769 } 6770 } 6771 if (r != null) { 6772 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6773 } 6774 6775 N = pkg.requestedPermissions.size(); 6776 r = null; 6777 for (i=0; i<N; i++) { 6778 String perm = pkg.requestedPermissions.get(i); 6779 BasePermission bp = mSettings.mPermissions.get(perm); 6780 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6781 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6782 if (appOpPerms != null) { 6783 appOpPerms.remove(pkg.packageName); 6784 if (appOpPerms.isEmpty()) { 6785 mAppOpPermissionPackages.remove(perm); 6786 } 6787 } 6788 } 6789 } 6790 if (r != null) { 6791 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6792 } 6793 6794 N = pkg.instrumentation.size(); 6795 r = null; 6796 for (i=0; i<N; i++) { 6797 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6798 mInstrumentation.remove(a.getComponentName()); 6799 if (DEBUG_REMOVE && chatty) { 6800 if (r == null) { 6801 r = new StringBuilder(256); 6802 } else { 6803 r.append(' '); 6804 } 6805 r.append(a.info.name); 6806 } 6807 } 6808 if (r != null) { 6809 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6810 } 6811 6812 r = null; 6813 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6814 // Only system apps can hold shared libraries. 6815 if (pkg.libraryNames != null) { 6816 for (i=0; i<pkg.libraryNames.size(); i++) { 6817 String name = pkg.libraryNames.get(i); 6818 SharedLibraryEntry cur = mSharedLibraries.get(name); 6819 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6820 mSharedLibraries.remove(name); 6821 if (DEBUG_REMOVE && chatty) { 6822 if (r == null) { 6823 r = new StringBuilder(256); 6824 } else { 6825 r.append(' '); 6826 } 6827 r.append(name); 6828 } 6829 } 6830 } 6831 } 6832 } 6833 if (r != null) { 6834 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6835 } 6836 } 6837 6838 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6839 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6840 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6841 return true; 6842 } 6843 } 6844 return false; 6845 } 6846 6847 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6848 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6849 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6850 6851 private void updatePermissionsLPw(String changingPkg, 6852 PackageParser.Package pkgInfo, int flags) { 6853 // Make sure there are no dangling permission trees. 6854 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6855 while (it.hasNext()) { 6856 final BasePermission bp = it.next(); 6857 if (bp.packageSetting == null) { 6858 // We may not yet have parsed the package, so just see if 6859 // we still know about its settings. 6860 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6861 } 6862 if (bp.packageSetting == null) { 6863 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6864 + " from package " + bp.sourcePackage); 6865 it.remove(); 6866 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6867 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6868 Slog.i(TAG, "Removing old permission tree: " + bp.name 6869 + " from package " + bp.sourcePackage); 6870 flags |= UPDATE_PERMISSIONS_ALL; 6871 it.remove(); 6872 } 6873 } 6874 } 6875 6876 // Make sure all dynamic permissions have been assigned to a package, 6877 // and make sure there are no dangling permissions. 6878 it = mSettings.mPermissions.values().iterator(); 6879 while (it.hasNext()) { 6880 final BasePermission bp = it.next(); 6881 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6882 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6883 + bp.name + " pkg=" + bp.sourcePackage 6884 + " info=" + bp.pendingInfo); 6885 if (bp.packageSetting == null && bp.pendingInfo != null) { 6886 final BasePermission tree = findPermissionTreeLP(bp.name); 6887 if (tree != null && tree.perm != null) { 6888 bp.packageSetting = tree.packageSetting; 6889 bp.perm = new PackageParser.Permission(tree.perm.owner, 6890 new PermissionInfo(bp.pendingInfo)); 6891 bp.perm.info.packageName = tree.perm.info.packageName; 6892 bp.perm.info.name = bp.name; 6893 bp.uid = tree.uid; 6894 } 6895 } 6896 } 6897 if (bp.packageSetting == null) { 6898 // We may not yet have parsed the package, so just see if 6899 // we still know about its settings. 6900 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6901 } 6902 if (bp.packageSetting == null) { 6903 Slog.w(TAG, "Removing dangling permission: " + bp.name 6904 + " from package " + bp.sourcePackage); 6905 it.remove(); 6906 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6907 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6908 Slog.i(TAG, "Removing old permission: " + bp.name 6909 + " from package " + bp.sourcePackage); 6910 flags |= UPDATE_PERMISSIONS_ALL; 6911 it.remove(); 6912 } 6913 } 6914 } 6915 6916 // Now update the permissions for all packages, in particular 6917 // replace the granted permissions of the system packages. 6918 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6919 for (PackageParser.Package pkg : mPackages.values()) { 6920 if (pkg != pkgInfo) { 6921 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6922 changingPkg); 6923 } 6924 } 6925 } 6926 6927 if (pkgInfo != null) { 6928 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6929 } 6930 } 6931 6932 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6933 String packageOfInterest) { 6934 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6935 if (ps == null) { 6936 return; 6937 } 6938 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6939 ArraySet<String> origPermissions = gp.grantedPermissions; 6940 boolean changedPermission = false; 6941 6942 if (replace) { 6943 ps.permissionsFixed = false; 6944 if (gp == ps) { 6945 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6946 gp.grantedPermissions.clear(); 6947 gp.gids = mGlobalGids; 6948 } 6949 } 6950 6951 if (gp.gids == null) { 6952 gp.gids = mGlobalGids; 6953 } 6954 6955 final int N = pkg.requestedPermissions.size(); 6956 for (int i=0; i<N; i++) { 6957 final String name = pkg.requestedPermissions.get(i); 6958 final boolean required = pkg.requestedPermissionsRequired.get(i); 6959 final BasePermission bp = mSettings.mPermissions.get(name); 6960 if (DEBUG_INSTALL) { 6961 if (gp != ps) { 6962 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6963 } 6964 } 6965 6966 if (bp == null || bp.packageSetting == null) { 6967 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6968 Slog.w(TAG, "Unknown permission " + name 6969 + " in package " + pkg.packageName); 6970 } 6971 continue; 6972 } 6973 6974 final String perm = bp.name; 6975 boolean allowed; 6976 boolean allowedSig = false; 6977 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6978 // Keep track of app op permissions. 6979 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6980 if (pkgs == null) { 6981 pkgs = new ArraySet<>(); 6982 mAppOpPermissionPackages.put(bp.name, pkgs); 6983 } 6984 pkgs.add(pkg.packageName); 6985 } 6986 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6987 if (level == PermissionInfo.PROTECTION_NORMAL 6988 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6989 // We grant a normal or dangerous permission if any of the following 6990 // are true: 6991 // 1) The permission is required 6992 // 2) The permission is optional, but was granted in the past 6993 // 3) The permission is optional, but was requested by an 6994 // app in /system (not /data) 6995 // 6996 // Otherwise, reject the permission. 6997 allowed = (required || origPermissions.contains(perm) 6998 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6999 } else if (bp.packageSetting == null) { 7000 // This permission is invalid; skip it. 7001 allowed = false; 7002 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 7003 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 7004 if (allowed) { 7005 allowedSig = true; 7006 } 7007 } else { 7008 allowed = false; 7009 } 7010 if (DEBUG_INSTALL) { 7011 if (gp != ps) { 7012 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7013 } 7014 } 7015 if (allowed) { 7016 if (!isSystemApp(ps) && ps.permissionsFixed) { 7017 // If this is an existing, non-system package, then 7018 // we can't add any new permissions to it. 7019 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7020 // Except... if this is a permission that was added 7021 // to the platform (note: need to only do this when 7022 // updating the platform). 7023 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7024 } 7025 } 7026 if (allowed) { 7027 if (!gp.grantedPermissions.contains(perm)) { 7028 changedPermission = true; 7029 gp.grantedPermissions.add(perm); 7030 gp.gids = appendInts(gp.gids, bp.gids); 7031 } else if (!ps.haveGids) { 7032 gp.gids = appendInts(gp.gids, bp.gids); 7033 } 7034 } else { 7035 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7036 Slog.w(TAG, "Not granting permission " + perm 7037 + " to package " + pkg.packageName 7038 + " because it was previously installed without"); 7039 } 7040 } 7041 } else { 7042 if (gp.grantedPermissions.remove(perm)) { 7043 changedPermission = true; 7044 gp.gids = removeInts(gp.gids, bp.gids); 7045 Slog.i(TAG, "Un-granting permission " + perm 7046 + " from package " + pkg.packageName 7047 + " (protectionLevel=" + bp.protectionLevel 7048 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7049 + ")"); 7050 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7051 // Don't print warning for app op permissions, since it is fine for them 7052 // not to be granted, there is a UI for the user to decide. 7053 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7054 Slog.w(TAG, "Not granting permission " + perm 7055 + " to package " + pkg.packageName 7056 + " (protectionLevel=" + bp.protectionLevel 7057 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7058 + ")"); 7059 } 7060 } 7061 } 7062 } 7063 7064 if ((changedPermission || replace) && !ps.permissionsFixed && 7065 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7066 // This is the first that we have heard about this package, so the 7067 // permissions we have now selected are fixed until explicitly 7068 // changed. 7069 ps.permissionsFixed = true; 7070 } 7071 ps.haveGids = true; 7072 } 7073 7074 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7075 boolean allowed = false; 7076 final int NP = PackageParser.NEW_PERMISSIONS.length; 7077 for (int ip=0; ip<NP; ip++) { 7078 final PackageParser.NewPermissionInfo npi 7079 = PackageParser.NEW_PERMISSIONS[ip]; 7080 if (npi.name.equals(perm) 7081 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7082 allowed = true; 7083 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7084 + pkg.packageName); 7085 break; 7086 } 7087 } 7088 return allowed; 7089 } 7090 7091 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7092 BasePermission bp, ArraySet<String> origPermissions) { 7093 boolean allowed; 7094 allowed = (compareSignatures( 7095 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7096 == PackageManager.SIGNATURE_MATCH) 7097 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7098 == PackageManager.SIGNATURE_MATCH); 7099 if (!allowed && (bp.protectionLevel 7100 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7101 if (isSystemApp(pkg)) { 7102 // For updated system applications, a system permission 7103 // is granted only if it had been defined by the original application. 7104 if (isUpdatedSystemApp(pkg)) { 7105 final PackageSetting sysPs = mSettings 7106 .getDisabledSystemPkgLPr(pkg.packageName); 7107 final GrantedPermissions origGp = sysPs.sharedUser != null 7108 ? sysPs.sharedUser : sysPs; 7109 7110 if (origGp.grantedPermissions.contains(perm)) { 7111 // If the original was granted this permission, we take 7112 // that grant decision as read and propagate it to the 7113 // update. 7114 allowed = true; 7115 } else { 7116 // The system apk may have been updated with an older 7117 // version of the one on the data partition, but which 7118 // granted a new system permission that it didn't have 7119 // before. In this case we do want to allow the app to 7120 // now get the new permission if the ancestral apk is 7121 // privileged to get it. 7122 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7123 for (int j=0; 7124 j<sysPs.pkg.requestedPermissions.size(); j++) { 7125 if (perm.equals( 7126 sysPs.pkg.requestedPermissions.get(j))) { 7127 allowed = true; 7128 break; 7129 } 7130 } 7131 } 7132 } 7133 } else { 7134 allowed = isPrivilegedApp(pkg); 7135 } 7136 } 7137 } 7138 if (!allowed && (bp.protectionLevel 7139 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7140 // For development permissions, a development permission 7141 // is granted only if it was already granted. 7142 allowed = origPermissions.contains(perm); 7143 } 7144 return allowed; 7145 } 7146 7147 final class ActivityIntentResolver 7148 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7149 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7150 boolean defaultOnly, int userId) { 7151 if (!sUserManager.exists(userId)) return null; 7152 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7153 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7154 } 7155 7156 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7157 int userId) { 7158 if (!sUserManager.exists(userId)) return null; 7159 mFlags = flags; 7160 return super.queryIntent(intent, resolvedType, 7161 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7162 } 7163 7164 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7165 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7166 if (!sUserManager.exists(userId)) return null; 7167 if (packageActivities == null) { 7168 return null; 7169 } 7170 mFlags = flags; 7171 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7172 final int N = packageActivities.size(); 7173 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7174 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7175 7176 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7177 for (int i = 0; i < N; ++i) { 7178 intentFilters = packageActivities.get(i).intents; 7179 if (intentFilters != null && intentFilters.size() > 0) { 7180 PackageParser.ActivityIntentInfo[] array = 7181 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7182 intentFilters.toArray(array); 7183 listCut.add(array); 7184 } 7185 } 7186 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7187 } 7188 7189 public final void addActivity(PackageParser.Activity a, String type) { 7190 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7191 mActivities.put(a.getComponentName(), a); 7192 if (DEBUG_SHOW_INFO) 7193 Log.v( 7194 TAG, " " + type + " " + 7195 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7196 if (DEBUG_SHOW_INFO) 7197 Log.v(TAG, " Class=" + a.info.name); 7198 final int NI = a.intents.size(); 7199 for (int j=0; j<NI; j++) { 7200 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7201 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7202 intent.setPriority(0); 7203 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7204 + a.className + " with priority > 0, forcing to 0"); 7205 } 7206 if (DEBUG_SHOW_INFO) { 7207 Log.v(TAG, " IntentFilter:"); 7208 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7209 } 7210 if (!intent.debugCheck()) { 7211 Log.w(TAG, "==> For Activity " + a.info.name); 7212 } 7213 addFilter(intent); 7214 } 7215 } 7216 7217 public final void removeActivity(PackageParser.Activity a, String type) { 7218 mActivities.remove(a.getComponentName()); 7219 if (DEBUG_SHOW_INFO) { 7220 Log.v(TAG, " " + type + " " 7221 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7222 : a.info.name) + ":"); 7223 Log.v(TAG, " Class=" + a.info.name); 7224 } 7225 final int NI = a.intents.size(); 7226 for (int j=0; j<NI; j++) { 7227 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7228 if (DEBUG_SHOW_INFO) { 7229 Log.v(TAG, " IntentFilter:"); 7230 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7231 } 7232 removeFilter(intent); 7233 } 7234 } 7235 7236 @Override 7237 protected boolean allowFilterResult( 7238 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7239 ActivityInfo filterAi = filter.activity.info; 7240 for (int i=dest.size()-1; i>=0; i--) { 7241 ActivityInfo destAi = dest.get(i).activityInfo; 7242 if (destAi.name == filterAi.name 7243 && destAi.packageName == filterAi.packageName) { 7244 return false; 7245 } 7246 } 7247 return true; 7248 } 7249 7250 @Override 7251 protected ActivityIntentInfo[] newArray(int size) { 7252 return new ActivityIntentInfo[size]; 7253 } 7254 7255 @Override 7256 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7257 if (!sUserManager.exists(userId)) return true; 7258 PackageParser.Package p = filter.activity.owner; 7259 if (p != null) { 7260 PackageSetting ps = (PackageSetting)p.mExtras; 7261 if (ps != null) { 7262 // System apps are never considered stopped for purposes of 7263 // filtering, because there may be no way for the user to 7264 // actually re-launch them. 7265 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7266 && ps.getStopped(userId); 7267 } 7268 } 7269 return false; 7270 } 7271 7272 @Override 7273 protected boolean isPackageForFilter(String packageName, 7274 PackageParser.ActivityIntentInfo info) { 7275 return packageName.equals(info.activity.owner.packageName); 7276 } 7277 7278 @Override 7279 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7280 int match, int userId) { 7281 if (!sUserManager.exists(userId)) return null; 7282 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7283 return null; 7284 } 7285 final PackageParser.Activity activity = info.activity; 7286 if (mSafeMode && (activity.info.applicationInfo.flags 7287 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7288 return null; 7289 } 7290 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7291 if (ps == null) { 7292 return null; 7293 } 7294 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7295 ps.readUserState(userId), userId); 7296 if (ai == null) { 7297 return null; 7298 } 7299 final ResolveInfo res = new ResolveInfo(); 7300 res.activityInfo = ai; 7301 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7302 res.filter = info; 7303 } 7304 res.priority = info.getPriority(); 7305 res.preferredOrder = activity.owner.mPreferredOrder; 7306 //System.out.println("Result: " + res.activityInfo.className + 7307 // " = " + res.priority); 7308 res.match = match; 7309 res.isDefault = info.hasDefault; 7310 res.labelRes = info.labelRes; 7311 res.nonLocalizedLabel = info.nonLocalizedLabel; 7312 if (userNeedsBadging(userId)) { 7313 res.noResourceId = true; 7314 } else { 7315 res.icon = info.icon; 7316 } 7317 res.system = isSystemApp(res.activityInfo.applicationInfo); 7318 return res; 7319 } 7320 7321 @Override 7322 protected void sortResults(List<ResolveInfo> results) { 7323 Collections.sort(results, mResolvePrioritySorter); 7324 } 7325 7326 @Override 7327 protected void dumpFilter(PrintWriter out, String prefix, 7328 PackageParser.ActivityIntentInfo filter) { 7329 out.print(prefix); out.print( 7330 Integer.toHexString(System.identityHashCode(filter.activity))); 7331 out.print(' '); 7332 filter.activity.printComponentShortName(out); 7333 out.print(" filter "); 7334 out.println(Integer.toHexString(System.identityHashCode(filter))); 7335 } 7336 7337// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7338// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7339// final List<ResolveInfo> retList = Lists.newArrayList(); 7340// while (i.hasNext()) { 7341// final ResolveInfo resolveInfo = i.next(); 7342// if (isEnabledLP(resolveInfo.activityInfo)) { 7343// retList.add(resolveInfo); 7344// } 7345// } 7346// return retList; 7347// } 7348 7349 // Keys are String (activity class name), values are Activity. 7350 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7351 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7352 private int mFlags; 7353 } 7354 7355 private final class ServiceIntentResolver 7356 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7357 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7358 boolean defaultOnly, int userId) { 7359 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7360 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7361 } 7362 7363 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7364 int userId) { 7365 if (!sUserManager.exists(userId)) return null; 7366 mFlags = flags; 7367 return super.queryIntent(intent, resolvedType, 7368 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7369 } 7370 7371 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7372 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7373 if (!sUserManager.exists(userId)) return null; 7374 if (packageServices == null) { 7375 return null; 7376 } 7377 mFlags = flags; 7378 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7379 final int N = packageServices.size(); 7380 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7381 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7382 7383 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7384 for (int i = 0; i < N; ++i) { 7385 intentFilters = packageServices.get(i).intents; 7386 if (intentFilters != null && intentFilters.size() > 0) { 7387 PackageParser.ServiceIntentInfo[] array = 7388 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7389 intentFilters.toArray(array); 7390 listCut.add(array); 7391 } 7392 } 7393 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7394 } 7395 7396 public final void addService(PackageParser.Service s) { 7397 mServices.put(s.getComponentName(), s); 7398 if (DEBUG_SHOW_INFO) { 7399 Log.v(TAG, " " 7400 + (s.info.nonLocalizedLabel != null 7401 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7402 Log.v(TAG, " Class=" + s.info.name); 7403 } 7404 final int NI = s.intents.size(); 7405 int j; 7406 for (j=0; j<NI; j++) { 7407 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7408 if (DEBUG_SHOW_INFO) { 7409 Log.v(TAG, " IntentFilter:"); 7410 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7411 } 7412 if (!intent.debugCheck()) { 7413 Log.w(TAG, "==> For Service " + s.info.name); 7414 } 7415 addFilter(intent); 7416 } 7417 } 7418 7419 public final void removeService(PackageParser.Service s) { 7420 mServices.remove(s.getComponentName()); 7421 if (DEBUG_SHOW_INFO) { 7422 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7423 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7424 Log.v(TAG, " Class=" + s.info.name); 7425 } 7426 final int NI = s.intents.size(); 7427 int j; 7428 for (j=0; j<NI; j++) { 7429 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7430 if (DEBUG_SHOW_INFO) { 7431 Log.v(TAG, " IntentFilter:"); 7432 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7433 } 7434 removeFilter(intent); 7435 } 7436 } 7437 7438 @Override 7439 protected boolean allowFilterResult( 7440 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7441 ServiceInfo filterSi = filter.service.info; 7442 for (int i=dest.size()-1; i>=0; i--) { 7443 ServiceInfo destAi = dest.get(i).serviceInfo; 7444 if (destAi.name == filterSi.name 7445 && destAi.packageName == filterSi.packageName) { 7446 return false; 7447 } 7448 } 7449 return true; 7450 } 7451 7452 @Override 7453 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7454 return new PackageParser.ServiceIntentInfo[size]; 7455 } 7456 7457 @Override 7458 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7459 if (!sUserManager.exists(userId)) return true; 7460 PackageParser.Package p = filter.service.owner; 7461 if (p != null) { 7462 PackageSetting ps = (PackageSetting)p.mExtras; 7463 if (ps != null) { 7464 // System apps are never considered stopped for purposes of 7465 // filtering, because there may be no way for the user to 7466 // actually re-launch them. 7467 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7468 && ps.getStopped(userId); 7469 } 7470 } 7471 return false; 7472 } 7473 7474 @Override 7475 protected boolean isPackageForFilter(String packageName, 7476 PackageParser.ServiceIntentInfo info) { 7477 return packageName.equals(info.service.owner.packageName); 7478 } 7479 7480 @Override 7481 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7482 int match, int userId) { 7483 if (!sUserManager.exists(userId)) return null; 7484 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7485 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7486 return null; 7487 } 7488 final PackageParser.Service service = info.service; 7489 if (mSafeMode && (service.info.applicationInfo.flags 7490 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7491 return null; 7492 } 7493 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7494 if (ps == null) { 7495 return null; 7496 } 7497 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7498 ps.readUserState(userId), userId); 7499 if (si == null) { 7500 return null; 7501 } 7502 final ResolveInfo res = new ResolveInfo(); 7503 res.serviceInfo = si; 7504 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7505 res.filter = filter; 7506 } 7507 res.priority = info.getPriority(); 7508 res.preferredOrder = service.owner.mPreferredOrder; 7509 //System.out.println("Result: " + res.activityInfo.className + 7510 // " = " + res.priority); 7511 res.match = match; 7512 res.isDefault = info.hasDefault; 7513 res.labelRes = info.labelRes; 7514 res.nonLocalizedLabel = info.nonLocalizedLabel; 7515 res.icon = info.icon; 7516 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7517 return res; 7518 } 7519 7520 @Override 7521 protected void sortResults(List<ResolveInfo> results) { 7522 Collections.sort(results, mResolvePrioritySorter); 7523 } 7524 7525 @Override 7526 protected void dumpFilter(PrintWriter out, String prefix, 7527 PackageParser.ServiceIntentInfo filter) { 7528 out.print(prefix); out.print( 7529 Integer.toHexString(System.identityHashCode(filter.service))); 7530 out.print(' '); 7531 filter.service.printComponentShortName(out); 7532 out.print(" filter "); 7533 out.println(Integer.toHexString(System.identityHashCode(filter))); 7534 } 7535 7536// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7537// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7538// final List<ResolveInfo> retList = Lists.newArrayList(); 7539// while (i.hasNext()) { 7540// final ResolveInfo resolveInfo = (ResolveInfo) i; 7541// if (isEnabledLP(resolveInfo.serviceInfo)) { 7542// retList.add(resolveInfo); 7543// } 7544// } 7545// return retList; 7546// } 7547 7548 // Keys are String (activity class name), values are Activity. 7549 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7550 = new ArrayMap<ComponentName, PackageParser.Service>(); 7551 private int mFlags; 7552 }; 7553 7554 private final class ProviderIntentResolver 7555 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7556 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7557 boolean defaultOnly, int userId) { 7558 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7559 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7560 } 7561 7562 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7563 int userId) { 7564 if (!sUserManager.exists(userId)) 7565 return null; 7566 mFlags = flags; 7567 return super.queryIntent(intent, resolvedType, 7568 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7569 } 7570 7571 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7572 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7573 if (!sUserManager.exists(userId)) 7574 return null; 7575 if (packageProviders == null) { 7576 return null; 7577 } 7578 mFlags = flags; 7579 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7580 final int N = packageProviders.size(); 7581 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7582 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7583 7584 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7585 for (int i = 0; i < N; ++i) { 7586 intentFilters = packageProviders.get(i).intents; 7587 if (intentFilters != null && intentFilters.size() > 0) { 7588 PackageParser.ProviderIntentInfo[] array = 7589 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7590 intentFilters.toArray(array); 7591 listCut.add(array); 7592 } 7593 } 7594 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7595 } 7596 7597 public final void addProvider(PackageParser.Provider p) { 7598 if (mProviders.containsKey(p.getComponentName())) { 7599 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7600 return; 7601 } 7602 7603 mProviders.put(p.getComponentName(), p); 7604 if (DEBUG_SHOW_INFO) { 7605 Log.v(TAG, " " 7606 + (p.info.nonLocalizedLabel != null 7607 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7608 Log.v(TAG, " Class=" + p.info.name); 7609 } 7610 final int NI = p.intents.size(); 7611 int j; 7612 for (j = 0; j < NI; j++) { 7613 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7614 if (DEBUG_SHOW_INFO) { 7615 Log.v(TAG, " IntentFilter:"); 7616 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7617 } 7618 if (!intent.debugCheck()) { 7619 Log.w(TAG, "==> For Provider " + p.info.name); 7620 } 7621 addFilter(intent); 7622 } 7623 } 7624 7625 public final void removeProvider(PackageParser.Provider p) { 7626 mProviders.remove(p.getComponentName()); 7627 if (DEBUG_SHOW_INFO) { 7628 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7629 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7630 Log.v(TAG, " Class=" + p.info.name); 7631 } 7632 final int NI = p.intents.size(); 7633 int j; 7634 for (j = 0; j < NI; j++) { 7635 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7636 if (DEBUG_SHOW_INFO) { 7637 Log.v(TAG, " IntentFilter:"); 7638 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7639 } 7640 removeFilter(intent); 7641 } 7642 } 7643 7644 @Override 7645 protected boolean allowFilterResult( 7646 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7647 ProviderInfo filterPi = filter.provider.info; 7648 for (int i = dest.size() - 1; i >= 0; i--) { 7649 ProviderInfo destPi = dest.get(i).providerInfo; 7650 if (destPi.name == filterPi.name 7651 && destPi.packageName == filterPi.packageName) { 7652 return false; 7653 } 7654 } 7655 return true; 7656 } 7657 7658 @Override 7659 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7660 return new PackageParser.ProviderIntentInfo[size]; 7661 } 7662 7663 @Override 7664 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7665 if (!sUserManager.exists(userId)) 7666 return true; 7667 PackageParser.Package p = filter.provider.owner; 7668 if (p != null) { 7669 PackageSetting ps = (PackageSetting) p.mExtras; 7670 if (ps != null) { 7671 // System apps are never considered stopped for purposes of 7672 // filtering, because there may be no way for the user to 7673 // actually re-launch them. 7674 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7675 && ps.getStopped(userId); 7676 } 7677 } 7678 return false; 7679 } 7680 7681 @Override 7682 protected boolean isPackageForFilter(String packageName, 7683 PackageParser.ProviderIntentInfo info) { 7684 return packageName.equals(info.provider.owner.packageName); 7685 } 7686 7687 @Override 7688 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7689 int match, int userId) { 7690 if (!sUserManager.exists(userId)) 7691 return null; 7692 final PackageParser.ProviderIntentInfo info = filter; 7693 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7694 return null; 7695 } 7696 final PackageParser.Provider provider = info.provider; 7697 if (mSafeMode && (provider.info.applicationInfo.flags 7698 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7699 return null; 7700 } 7701 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7702 if (ps == null) { 7703 return null; 7704 } 7705 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7706 ps.readUserState(userId), userId); 7707 if (pi == null) { 7708 return null; 7709 } 7710 final ResolveInfo res = new ResolveInfo(); 7711 res.providerInfo = pi; 7712 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7713 res.filter = filter; 7714 } 7715 res.priority = info.getPriority(); 7716 res.preferredOrder = provider.owner.mPreferredOrder; 7717 res.match = match; 7718 res.isDefault = info.hasDefault; 7719 res.labelRes = info.labelRes; 7720 res.nonLocalizedLabel = info.nonLocalizedLabel; 7721 res.icon = info.icon; 7722 res.system = isSystemApp(res.providerInfo.applicationInfo); 7723 return res; 7724 } 7725 7726 @Override 7727 protected void sortResults(List<ResolveInfo> results) { 7728 Collections.sort(results, mResolvePrioritySorter); 7729 } 7730 7731 @Override 7732 protected void dumpFilter(PrintWriter out, String prefix, 7733 PackageParser.ProviderIntentInfo filter) { 7734 out.print(prefix); 7735 out.print( 7736 Integer.toHexString(System.identityHashCode(filter.provider))); 7737 out.print(' '); 7738 filter.provider.printComponentShortName(out); 7739 out.print(" filter "); 7740 out.println(Integer.toHexString(System.identityHashCode(filter))); 7741 } 7742 7743 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7744 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7745 private int mFlags; 7746 }; 7747 7748 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7749 new Comparator<ResolveInfo>() { 7750 public int compare(ResolveInfo r1, ResolveInfo r2) { 7751 int v1 = r1.priority; 7752 int v2 = r2.priority; 7753 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7754 if (v1 != v2) { 7755 return (v1 > v2) ? -1 : 1; 7756 } 7757 v1 = r1.preferredOrder; 7758 v2 = r2.preferredOrder; 7759 if (v1 != v2) { 7760 return (v1 > v2) ? -1 : 1; 7761 } 7762 if (r1.isDefault != r2.isDefault) { 7763 return r1.isDefault ? -1 : 1; 7764 } 7765 v1 = r1.match; 7766 v2 = r2.match; 7767 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7768 if (v1 != v2) { 7769 return (v1 > v2) ? -1 : 1; 7770 } 7771 if (r1.system != r2.system) { 7772 return r1.system ? -1 : 1; 7773 } 7774 return 0; 7775 } 7776 }; 7777 7778 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7779 new Comparator<ProviderInfo>() { 7780 public int compare(ProviderInfo p1, ProviderInfo p2) { 7781 final int v1 = p1.initOrder; 7782 final int v2 = p2.initOrder; 7783 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7784 } 7785 }; 7786 7787 static final void sendPackageBroadcast(String action, String pkg, 7788 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7789 int[] userIds) { 7790 IActivityManager am = ActivityManagerNative.getDefault(); 7791 if (am != null) { 7792 try { 7793 if (userIds == null) { 7794 userIds = am.getRunningUserIds(); 7795 } 7796 for (int id : userIds) { 7797 final Intent intent = new Intent(action, 7798 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7799 if (extras != null) { 7800 intent.putExtras(extras); 7801 } 7802 if (targetPkg != null) { 7803 intent.setPackage(targetPkg); 7804 } 7805 // Modify the UID when posting to other users 7806 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7807 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7808 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7809 intent.putExtra(Intent.EXTRA_UID, uid); 7810 } 7811 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7812 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7813 if (DEBUG_BROADCASTS) { 7814 RuntimeException here = new RuntimeException("here"); 7815 here.fillInStackTrace(); 7816 Slog.d(TAG, "Sending to user " + id + ": " 7817 + intent.toShortString(false, true, false, false) 7818 + " " + intent.getExtras(), here); 7819 } 7820 am.broadcastIntent(null, intent, null, finishedReceiver, 7821 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7822 finishedReceiver != null, false, id); 7823 } 7824 } catch (RemoteException ex) { 7825 } 7826 } 7827 } 7828 7829 /** 7830 * Check if the external storage media is available. This is true if there 7831 * is a mounted external storage medium or if the external storage is 7832 * emulated. 7833 */ 7834 private boolean isExternalMediaAvailable() { 7835 return mMediaMounted || Environment.isExternalStorageEmulated(); 7836 } 7837 7838 @Override 7839 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7840 // writer 7841 synchronized (mPackages) { 7842 if (!isExternalMediaAvailable()) { 7843 // If the external storage is no longer mounted at this point, 7844 // the caller may not have been able to delete all of this 7845 // packages files and can not delete any more. Bail. 7846 return null; 7847 } 7848 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7849 if (lastPackage != null) { 7850 pkgs.remove(lastPackage); 7851 } 7852 if (pkgs.size() > 0) { 7853 return pkgs.get(0); 7854 } 7855 } 7856 return null; 7857 } 7858 7859 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7860 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7861 userId, andCode ? 1 : 0, packageName); 7862 if (mSystemReady) { 7863 msg.sendToTarget(); 7864 } else { 7865 if (mPostSystemReadyMessages == null) { 7866 mPostSystemReadyMessages = new ArrayList<>(); 7867 } 7868 mPostSystemReadyMessages.add(msg); 7869 } 7870 } 7871 7872 void startCleaningPackages() { 7873 // reader 7874 synchronized (mPackages) { 7875 if (!isExternalMediaAvailable()) { 7876 return; 7877 } 7878 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7879 return; 7880 } 7881 } 7882 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7883 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7884 IActivityManager am = ActivityManagerNative.getDefault(); 7885 if (am != null) { 7886 try { 7887 am.startService(null, intent, null, UserHandle.USER_OWNER); 7888 } catch (RemoteException e) { 7889 } 7890 } 7891 } 7892 7893 @Override 7894 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7895 int installFlags, String installerPackageName, VerificationParams verificationParams, 7896 String packageAbiOverride) { 7897 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7898 packageAbiOverride, UserHandle.getCallingUserId()); 7899 } 7900 7901 @Override 7902 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7903 int installFlags, String installerPackageName, VerificationParams verificationParams, 7904 String packageAbiOverride, int userId) { 7905 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7906 7907 final int callingUid = Binder.getCallingUid(); 7908 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7909 7910 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7911 try { 7912 if (observer != null) { 7913 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7914 } 7915 } catch (RemoteException re) { 7916 } 7917 return; 7918 } 7919 7920 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7921 installFlags |= PackageManager.INSTALL_FROM_ADB; 7922 7923 } else { 7924 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7925 // about installerPackageName. 7926 7927 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7928 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7929 } 7930 7931 UserHandle user; 7932 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7933 user = UserHandle.ALL; 7934 } else { 7935 user = new UserHandle(userId); 7936 } 7937 7938 verificationParams.setInstallerUid(callingUid); 7939 7940 final File originFile = new File(originPath); 7941 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7942 7943 final Message msg = mHandler.obtainMessage(INIT_COPY); 7944 msg.obj = new InstallParams(origin, observer, installFlags, 7945 installerPackageName, verificationParams, user, packageAbiOverride); 7946 mHandler.sendMessage(msg); 7947 } 7948 7949 void installStage(String packageName, File stagedDir, String stagedCid, 7950 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7951 String installerPackageName, int installerUid, UserHandle user) { 7952 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7953 params.referrerUri, installerUid, null); 7954 7955 final OriginInfo origin; 7956 if (stagedDir != null) { 7957 origin = OriginInfo.fromStagedFile(stagedDir); 7958 } else { 7959 origin = OriginInfo.fromStagedContainer(stagedCid); 7960 } 7961 7962 final Message msg = mHandler.obtainMessage(INIT_COPY); 7963 msg.obj = new InstallParams(origin, observer, params.installFlags, 7964 installerPackageName, verifParams, user, params.abiOverride); 7965 mHandler.sendMessage(msg); 7966 } 7967 7968 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7969 Bundle extras = new Bundle(1); 7970 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7971 7972 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7973 packageName, extras, null, null, new int[] {userId}); 7974 try { 7975 IActivityManager am = ActivityManagerNative.getDefault(); 7976 final boolean isSystem = 7977 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7978 if (isSystem && am.isUserRunning(userId, false)) { 7979 // The just-installed/enabled app is bundled on the system, so presumed 7980 // to be able to run automatically without needing an explicit launch. 7981 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7982 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7983 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7984 .setPackage(packageName); 7985 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7986 android.app.AppOpsManager.OP_NONE, false, false, userId); 7987 } 7988 } catch (RemoteException e) { 7989 // shouldn't happen 7990 Slog.w(TAG, "Unable to bootstrap installed package", e); 7991 } 7992 } 7993 7994 @Override 7995 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7996 int userId) { 7997 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7998 PackageSetting pkgSetting; 7999 final int uid = Binder.getCallingUid(); 8000 enforceCrossUserPermission(uid, userId, true, true, 8001 "setApplicationHiddenSetting for user " + userId); 8002 8003 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8004 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8005 return false; 8006 } 8007 8008 long callingId = Binder.clearCallingIdentity(); 8009 try { 8010 boolean sendAdded = false; 8011 boolean sendRemoved = false; 8012 // writer 8013 synchronized (mPackages) { 8014 pkgSetting = mSettings.mPackages.get(packageName); 8015 if (pkgSetting == null) { 8016 return false; 8017 } 8018 if (pkgSetting.getHidden(userId) != hidden) { 8019 pkgSetting.setHidden(hidden, userId); 8020 mSettings.writePackageRestrictionsLPr(userId); 8021 if (hidden) { 8022 sendRemoved = true; 8023 } else { 8024 sendAdded = true; 8025 } 8026 } 8027 } 8028 if (sendAdded) { 8029 sendPackageAddedForUser(packageName, pkgSetting, userId); 8030 return true; 8031 } 8032 if (sendRemoved) { 8033 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8034 "hiding pkg"); 8035 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8036 } 8037 } finally { 8038 Binder.restoreCallingIdentity(callingId); 8039 } 8040 return false; 8041 } 8042 8043 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8044 int userId) { 8045 final PackageRemovedInfo info = new PackageRemovedInfo(); 8046 info.removedPackage = packageName; 8047 info.removedUsers = new int[] {userId}; 8048 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8049 info.sendBroadcast(false, false, false); 8050 } 8051 8052 /** 8053 * Returns true if application is not found or there was an error. Otherwise it returns 8054 * the hidden state of the package for the given user. 8055 */ 8056 @Override 8057 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8058 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8059 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8060 false, "getApplicationHidden for user " + userId); 8061 PackageSetting pkgSetting; 8062 long callingId = Binder.clearCallingIdentity(); 8063 try { 8064 // writer 8065 synchronized (mPackages) { 8066 pkgSetting = mSettings.mPackages.get(packageName); 8067 if (pkgSetting == null) { 8068 return true; 8069 } 8070 return pkgSetting.getHidden(userId); 8071 } 8072 } finally { 8073 Binder.restoreCallingIdentity(callingId); 8074 } 8075 } 8076 8077 /** 8078 * @hide 8079 */ 8080 @Override 8081 public int installExistingPackageAsUser(String packageName, int userId) { 8082 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8083 null); 8084 PackageSetting pkgSetting; 8085 final int uid = Binder.getCallingUid(); 8086 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8087 + userId); 8088 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8089 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8090 } 8091 8092 long callingId = Binder.clearCallingIdentity(); 8093 try { 8094 boolean sendAdded = false; 8095 Bundle extras = new Bundle(1); 8096 8097 // writer 8098 synchronized (mPackages) { 8099 pkgSetting = mSettings.mPackages.get(packageName); 8100 if (pkgSetting == null) { 8101 return PackageManager.INSTALL_FAILED_INVALID_URI; 8102 } 8103 if (!pkgSetting.getInstalled(userId)) { 8104 pkgSetting.setInstalled(true, userId); 8105 pkgSetting.setHidden(false, userId); 8106 mSettings.writePackageRestrictionsLPr(userId); 8107 sendAdded = true; 8108 } 8109 } 8110 8111 if (sendAdded) { 8112 sendPackageAddedForUser(packageName, pkgSetting, userId); 8113 } 8114 } finally { 8115 Binder.restoreCallingIdentity(callingId); 8116 } 8117 8118 return PackageManager.INSTALL_SUCCEEDED; 8119 } 8120 8121 boolean isUserRestricted(int userId, String restrictionKey) { 8122 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8123 if (restrictions.getBoolean(restrictionKey, false)) { 8124 Log.w(TAG, "User is restricted: " + restrictionKey); 8125 return true; 8126 } 8127 return false; 8128 } 8129 8130 @Override 8131 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8132 mContext.enforceCallingOrSelfPermission( 8133 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8134 "Only package verification agents can verify applications"); 8135 8136 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8137 final PackageVerificationResponse response = new PackageVerificationResponse( 8138 verificationCode, Binder.getCallingUid()); 8139 msg.arg1 = id; 8140 msg.obj = response; 8141 mHandler.sendMessage(msg); 8142 } 8143 8144 @Override 8145 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8146 long millisecondsToDelay) { 8147 mContext.enforceCallingOrSelfPermission( 8148 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8149 "Only package verification agents can extend verification timeouts"); 8150 8151 final PackageVerificationState state = mPendingVerification.get(id); 8152 final PackageVerificationResponse response = new PackageVerificationResponse( 8153 verificationCodeAtTimeout, Binder.getCallingUid()); 8154 8155 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8156 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8157 } 8158 if (millisecondsToDelay < 0) { 8159 millisecondsToDelay = 0; 8160 } 8161 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8162 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8163 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8164 } 8165 8166 if ((state != null) && !state.timeoutExtended()) { 8167 state.extendTimeout(); 8168 8169 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8170 msg.arg1 = id; 8171 msg.obj = response; 8172 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8173 } 8174 } 8175 8176 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8177 int verificationCode, UserHandle user) { 8178 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8179 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8180 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8181 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8182 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8183 8184 mContext.sendBroadcastAsUser(intent, user, 8185 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8186 } 8187 8188 private ComponentName matchComponentForVerifier(String packageName, 8189 List<ResolveInfo> receivers) { 8190 ActivityInfo targetReceiver = null; 8191 8192 final int NR = receivers.size(); 8193 for (int i = 0; i < NR; i++) { 8194 final ResolveInfo info = receivers.get(i); 8195 if (info.activityInfo == null) { 8196 continue; 8197 } 8198 8199 if (packageName.equals(info.activityInfo.packageName)) { 8200 targetReceiver = info.activityInfo; 8201 break; 8202 } 8203 } 8204 8205 if (targetReceiver == null) { 8206 return null; 8207 } 8208 8209 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8210 } 8211 8212 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8213 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8214 if (pkgInfo.verifiers.length == 0) { 8215 return null; 8216 } 8217 8218 final int N = pkgInfo.verifiers.length; 8219 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8220 for (int i = 0; i < N; i++) { 8221 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8222 8223 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8224 receivers); 8225 if (comp == null) { 8226 continue; 8227 } 8228 8229 final int verifierUid = getUidForVerifier(verifierInfo); 8230 if (verifierUid == -1) { 8231 continue; 8232 } 8233 8234 if (DEBUG_VERIFY) { 8235 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8236 + " with the correct signature"); 8237 } 8238 sufficientVerifiers.add(comp); 8239 verificationState.addSufficientVerifier(verifierUid); 8240 } 8241 8242 return sufficientVerifiers; 8243 } 8244 8245 private int getUidForVerifier(VerifierInfo verifierInfo) { 8246 synchronized (mPackages) { 8247 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8248 if (pkg == null) { 8249 return -1; 8250 } else if (pkg.mSignatures.length != 1) { 8251 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8252 + " has more than one signature; ignoring"); 8253 return -1; 8254 } 8255 8256 /* 8257 * If the public key of the package's signature does not match 8258 * our expected public key, then this is a different package and 8259 * we should skip. 8260 */ 8261 8262 final byte[] expectedPublicKey; 8263 try { 8264 final Signature verifierSig = pkg.mSignatures[0]; 8265 final PublicKey publicKey = verifierSig.getPublicKey(); 8266 expectedPublicKey = publicKey.getEncoded(); 8267 } catch (CertificateException e) { 8268 return -1; 8269 } 8270 8271 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8272 8273 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8274 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8275 + " does not have the expected public key; ignoring"); 8276 return -1; 8277 } 8278 8279 return pkg.applicationInfo.uid; 8280 } 8281 } 8282 8283 @Override 8284 public void finishPackageInstall(int token) { 8285 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8286 8287 if (DEBUG_INSTALL) { 8288 Slog.v(TAG, "BM finishing package install for " + token); 8289 } 8290 8291 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8292 mHandler.sendMessage(msg); 8293 } 8294 8295 /** 8296 * Get the verification agent timeout. 8297 * 8298 * @return verification timeout in milliseconds 8299 */ 8300 private long getVerificationTimeout() { 8301 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8302 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8303 DEFAULT_VERIFICATION_TIMEOUT); 8304 } 8305 8306 /** 8307 * Get the default verification agent response code. 8308 * 8309 * @return default verification response code 8310 */ 8311 private int getDefaultVerificationResponse() { 8312 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8313 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8314 DEFAULT_VERIFICATION_RESPONSE); 8315 } 8316 8317 /** 8318 * Check whether or not package verification has been enabled. 8319 * 8320 * @return true if verification should be performed 8321 */ 8322 private boolean isVerificationEnabled(int userId, int installFlags) { 8323 if (!DEFAULT_VERIFY_ENABLE) { 8324 return false; 8325 } 8326 8327 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8328 8329 // Check if installing from ADB 8330 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8331 // Do not run verification in a test harness environment 8332 if (ActivityManager.isRunningInTestHarness()) { 8333 return false; 8334 } 8335 if (ensureVerifyAppsEnabled) { 8336 return true; 8337 } 8338 // Check if the developer does not want package verification for ADB installs 8339 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8340 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8341 return false; 8342 } 8343 } 8344 8345 if (ensureVerifyAppsEnabled) { 8346 return true; 8347 } 8348 8349 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8350 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8351 } 8352 8353 /** 8354 * Get the "allow unknown sources" setting. 8355 * 8356 * @return the current "allow unknown sources" setting 8357 */ 8358 private int getUnknownSourcesSettings() { 8359 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8360 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8361 -1); 8362 } 8363 8364 @Override 8365 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8366 final int uid = Binder.getCallingUid(); 8367 // writer 8368 synchronized (mPackages) { 8369 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8370 if (targetPackageSetting == null) { 8371 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8372 } 8373 8374 PackageSetting installerPackageSetting; 8375 if (installerPackageName != null) { 8376 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8377 if (installerPackageSetting == null) { 8378 throw new IllegalArgumentException("Unknown installer package: " 8379 + installerPackageName); 8380 } 8381 } else { 8382 installerPackageSetting = null; 8383 } 8384 8385 Signature[] callerSignature; 8386 Object obj = mSettings.getUserIdLPr(uid); 8387 if (obj != null) { 8388 if (obj instanceof SharedUserSetting) { 8389 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8390 } else if (obj instanceof PackageSetting) { 8391 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8392 } else { 8393 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8394 } 8395 } else { 8396 throw new SecurityException("Unknown calling uid " + uid); 8397 } 8398 8399 // Verify: can't set installerPackageName to a package that is 8400 // not signed with the same cert as the caller. 8401 if (installerPackageSetting != null) { 8402 if (compareSignatures(callerSignature, 8403 installerPackageSetting.signatures.mSignatures) 8404 != PackageManager.SIGNATURE_MATCH) { 8405 throw new SecurityException( 8406 "Caller does not have same cert as new installer package " 8407 + installerPackageName); 8408 } 8409 } 8410 8411 // Verify: if target already has an installer package, it must 8412 // be signed with the same cert as the caller. 8413 if (targetPackageSetting.installerPackageName != null) { 8414 PackageSetting setting = mSettings.mPackages.get( 8415 targetPackageSetting.installerPackageName); 8416 // If the currently set package isn't valid, then it's always 8417 // okay to change it. 8418 if (setting != null) { 8419 if (compareSignatures(callerSignature, 8420 setting.signatures.mSignatures) 8421 != PackageManager.SIGNATURE_MATCH) { 8422 throw new SecurityException( 8423 "Caller does not have same cert as old installer package " 8424 + targetPackageSetting.installerPackageName); 8425 } 8426 } 8427 } 8428 8429 // Okay! 8430 targetPackageSetting.installerPackageName = installerPackageName; 8431 scheduleWriteSettingsLocked(); 8432 } 8433 } 8434 8435 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8436 // Queue up an async operation since the package installation may take a little while. 8437 mHandler.post(new Runnable() { 8438 public void run() { 8439 mHandler.removeCallbacks(this); 8440 // Result object to be returned 8441 PackageInstalledInfo res = new PackageInstalledInfo(); 8442 res.returnCode = currentStatus; 8443 res.uid = -1; 8444 res.pkg = null; 8445 res.removedInfo = new PackageRemovedInfo(); 8446 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8447 args.doPreInstall(res.returnCode); 8448 synchronized (mInstallLock) { 8449 installPackageLI(args, res); 8450 } 8451 args.doPostInstall(res.returnCode, res.uid); 8452 } 8453 8454 // A restore should be performed at this point if (a) the install 8455 // succeeded, (b) the operation is not an update, and (c) the new 8456 // package has not opted out of backup participation. 8457 final boolean update = res.removedInfo.removedPackage != null; 8458 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8459 boolean doRestore = !update 8460 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8461 8462 // Set up the post-install work request bookkeeping. This will be used 8463 // and cleaned up by the post-install event handling regardless of whether 8464 // there's a restore pass performed. Token values are >= 1. 8465 int token; 8466 if (mNextInstallToken < 0) mNextInstallToken = 1; 8467 token = mNextInstallToken++; 8468 8469 PostInstallData data = new PostInstallData(args, res); 8470 mRunningInstalls.put(token, data); 8471 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8472 8473 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8474 // Pass responsibility to the Backup Manager. It will perform a 8475 // restore if appropriate, then pass responsibility back to the 8476 // Package Manager to run the post-install observer callbacks 8477 // and broadcasts. 8478 IBackupManager bm = IBackupManager.Stub.asInterface( 8479 ServiceManager.getService(Context.BACKUP_SERVICE)); 8480 if (bm != null) { 8481 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8482 + " to BM for possible restore"); 8483 try { 8484 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8485 } catch (RemoteException e) { 8486 // can't happen; the backup manager is local 8487 } catch (Exception e) { 8488 Slog.e(TAG, "Exception trying to enqueue restore", e); 8489 doRestore = false; 8490 } 8491 } else { 8492 Slog.e(TAG, "Backup Manager not found!"); 8493 doRestore = false; 8494 } 8495 } 8496 8497 if (!doRestore) { 8498 // No restore possible, or the Backup Manager was mysteriously not 8499 // available -- just fire the post-install work request directly. 8500 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8501 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8502 mHandler.sendMessage(msg); 8503 } 8504 } 8505 }); 8506 } 8507 8508 private abstract class HandlerParams { 8509 private static final int MAX_RETRIES = 4; 8510 8511 /** 8512 * Number of times startCopy() has been attempted and had a non-fatal 8513 * error. 8514 */ 8515 private int mRetries = 0; 8516 8517 /** User handle for the user requesting the information or installation. */ 8518 private final UserHandle mUser; 8519 8520 HandlerParams(UserHandle user) { 8521 mUser = user; 8522 } 8523 8524 UserHandle getUser() { 8525 return mUser; 8526 } 8527 8528 final boolean startCopy() { 8529 boolean res; 8530 try { 8531 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8532 8533 if (++mRetries > MAX_RETRIES) { 8534 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8535 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8536 handleServiceError(); 8537 return false; 8538 } else { 8539 handleStartCopy(); 8540 res = true; 8541 } 8542 } catch (RemoteException e) { 8543 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8544 mHandler.sendEmptyMessage(MCS_RECONNECT); 8545 res = false; 8546 } 8547 handleReturnCode(); 8548 return res; 8549 } 8550 8551 final void serviceError() { 8552 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8553 handleServiceError(); 8554 handleReturnCode(); 8555 } 8556 8557 abstract void handleStartCopy() throws RemoteException; 8558 abstract void handleServiceError(); 8559 abstract void handleReturnCode(); 8560 } 8561 8562 class MeasureParams extends HandlerParams { 8563 private final PackageStats mStats; 8564 private boolean mSuccess; 8565 8566 private final IPackageStatsObserver mObserver; 8567 8568 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8569 super(new UserHandle(stats.userHandle)); 8570 mObserver = observer; 8571 mStats = stats; 8572 } 8573 8574 @Override 8575 public String toString() { 8576 return "MeasureParams{" 8577 + Integer.toHexString(System.identityHashCode(this)) 8578 + " " + mStats.packageName + "}"; 8579 } 8580 8581 @Override 8582 void handleStartCopy() throws RemoteException { 8583 synchronized (mInstallLock) { 8584 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8585 } 8586 8587 if (mSuccess) { 8588 final boolean mounted; 8589 if (Environment.isExternalStorageEmulated()) { 8590 mounted = true; 8591 } else { 8592 final String status = Environment.getExternalStorageState(); 8593 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8594 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8595 } 8596 8597 if (mounted) { 8598 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8599 8600 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8601 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8602 8603 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8604 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8605 8606 // Always subtract cache size, since it's a subdirectory 8607 mStats.externalDataSize -= mStats.externalCacheSize; 8608 8609 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8610 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8611 8612 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8613 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8614 } 8615 } 8616 } 8617 8618 @Override 8619 void handleReturnCode() { 8620 if (mObserver != null) { 8621 try { 8622 mObserver.onGetStatsCompleted(mStats, mSuccess); 8623 } catch (RemoteException e) { 8624 Slog.i(TAG, "Observer no longer exists."); 8625 } 8626 } 8627 } 8628 8629 @Override 8630 void handleServiceError() { 8631 Slog.e(TAG, "Could not measure application " + mStats.packageName 8632 + " external storage"); 8633 } 8634 } 8635 8636 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8637 throws RemoteException { 8638 long result = 0; 8639 for (File path : paths) { 8640 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8641 } 8642 return result; 8643 } 8644 8645 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8646 for (File path : paths) { 8647 try { 8648 mcs.clearDirectory(path.getAbsolutePath()); 8649 } catch (RemoteException e) { 8650 } 8651 } 8652 } 8653 8654 static class OriginInfo { 8655 /** 8656 * Location where install is coming from, before it has been 8657 * copied/renamed into place. This could be a single monolithic APK 8658 * file, or a cluster directory. This location may be untrusted. 8659 */ 8660 final File file; 8661 final String cid; 8662 8663 /** 8664 * Flag indicating that {@link #file} or {@link #cid} has already been 8665 * staged, meaning downstream users don't need to defensively copy the 8666 * contents. 8667 */ 8668 final boolean staged; 8669 8670 /** 8671 * Flag indicating that {@link #file} or {@link #cid} is an already 8672 * installed app that is being moved. 8673 */ 8674 final boolean existing; 8675 8676 final String resolvedPath; 8677 final File resolvedFile; 8678 8679 static OriginInfo fromNothing() { 8680 return new OriginInfo(null, null, false, false); 8681 } 8682 8683 static OriginInfo fromUntrustedFile(File file) { 8684 return new OriginInfo(file, null, false, false); 8685 } 8686 8687 static OriginInfo fromExistingFile(File file) { 8688 return new OriginInfo(file, null, false, true); 8689 } 8690 8691 static OriginInfo fromStagedFile(File file) { 8692 return new OriginInfo(file, null, true, false); 8693 } 8694 8695 static OriginInfo fromStagedContainer(String cid) { 8696 return new OriginInfo(null, cid, true, false); 8697 } 8698 8699 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8700 this.file = file; 8701 this.cid = cid; 8702 this.staged = staged; 8703 this.existing = existing; 8704 8705 if (cid != null) { 8706 resolvedPath = PackageHelper.getSdDir(cid); 8707 resolvedFile = new File(resolvedPath); 8708 } else if (file != null) { 8709 resolvedPath = file.getAbsolutePath(); 8710 resolvedFile = file; 8711 } else { 8712 resolvedPath = null; 8713 resolvedFile = null; 8714 } 8715 } 8716 } 8717 8718 class InstallParams extends HandlerParams { 8719 final OriginInfo origin; 8720 final IPackageInstallObserver2 observer; 8721 int installFlags; 8722 final String installerPackageName; 8723 final VerificationParams verificationParams; 8724 private InstallArgs mArgs; 8725 private int mRet; 8726 final String packageAbiOverride; 8727 8728 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8729 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8730 String packageAbiOverride) { 8731 super(user); 8732 this.origin = origin; 8733 this.observer = observer; 8734 this.installFlags = installFlags; 8735 this.installerPackageName = installerPackageName; 8736 this.verificationParams = verificationParams; 8737 this.packageAbiOverride = packageAbiOverride; 8738 } 8739 8740 @Override 8741 public String toString() { 8742 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8743 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8744 } 8745 8746 public ManifestDigest getManifestDigest() { 8747 if (verificationParams == null) { 8748 return null; 8749 } 8750 return verificationParams.getManifestDigest(); 8751 } 8752 8753 private int installLocationPolicy(PackageInfoLite pkgLite) { 8754 String packageName = pkgLite.packageName; 8755 int installLocation = pkgLite.installLocation; 8756 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8757 // reader 8758 synchronized (mPackages) { 8759 PackageParser.Package pkg = mPackages.get(packageName); 8760 if (pkg != null) { 8761 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8762 // Check for downgrading. 8763 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8764 if (pkgLite.versionCode < pkg.mVersionCode) { 8765 Slog.w(TAG, "Can't install update of " + packageName 8766 + " update version " + pkgLite.versionCode 8767 + " is older than installed version " 8768 + pkg.mVersionCode); 8769 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8770 } 8771 } 8772 // Check for updated system application. 8773 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8774 if (onSd) { 8775 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8776 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8777 } 8778 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8779 } else { 8780 if (onSd) { 8781 // Install flag overrides everything. 8782 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8783 } 8784 // If current upgrade specifies particular preference 8785 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8786 // Application explicitly specified internal. 8787 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8788 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8789 // App explictly prefers external. Let policy decide 8790 } else { 8791 // Prefer previous location 8792 if (isExternal(pkg)) { 8793 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8794 } 8795 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8796 } 8797 } 8798 } else { 8799 // Invalid install. Return error code 8800 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8801 } 8802 } 8803 } 8804 // All the special cases have been taken care of. 8805 // Return result based on recommended install location. 8806 if (onSd) { 8807 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8808 } 8809 return pkgLite.recommendedInstallLocation; 8810 } 8811 8812 /* 8813 * Invoke remote method to get package information and install 8814 * location values. Override install location based on default 8815 * policy if needed and then create install arguments based 8816 * on the install location. 8817 */ 8818 public void handleStartCopy() throws RemoteException { 8819 int ret = PackageManager.INSTALL_SUCCEEDED; 8820 8821 // If we're already staged, we've firmly committed to an install location 8822 if (origin.staged) { 8823 if (origin.file != null) { 8824 installFlags |= PackageManager.INSTALL_INTERNAL; 8825 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8826 } else if (origin.cid != null) { 8827 installFlags |= PackageManager.INSTALL_EXTERNAL; 8828 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8829 } else { 8830 throw new IllegalStateException("Invalid stage location"); 8831 } 8832 } 8833 8834 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8835 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8836 8837 PackageInfoLite pkgLite = null; 8838 8839 if (onInt && onSd) { 8840 // Check if both bits are set. 8841 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8842 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8843 } else { 8844 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8845 packageAbiOverride); 8846 8847 /* 8848 * If we have too little free space, try to free cache 8849 * before giving up. 8850 */ 8851 if (!origin.staged && pkgLite.recommendedInstallLocation 8852 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8853 // TODO: focus freeing disk space on the target device 8854 final StorageManager storage = StorageManager.from(mContext); 8855 final long lowThreshold = storage.getStorageLowBytes( 8856 Environment.getDataDirectory()); 8857 8858 final long sizeBytes = mContainerService.calculateInstalledSize( 8859 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8860 8861 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8862 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8863 installFlags, packageAbiOverride); 8864 } 8865 8866 /* 8867 * The cache free must have deleted the file we 8868 * downloaded to install. 8869 * 8870 * TODO: fix the "freeCache" call to not delete 8871 * the file we care about. 8872 */ 8873 if (pkgLite.recommendedInstallLocation 8874 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8875 pkgLite.recommendedInstallLocation 8876 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8877 } 8878 } 8879 } 8880 8881 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8882 int loc = pkgLite.recommendedInstallLocation; 8883 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8884 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8885 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8886 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8887 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8888 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8889 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8890 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8891 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8892 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8893 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8894 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8895 } else { 8896 // Override with defaults if needed. 8897 loc = installLocationPolicy(pkgLite); 8898 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8899 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8900 } else if (!onSd && !onInt) { 8901 // Override install location with flags 8902 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8903 // Set the flag to install on external media. 8904 installFlags |= PackageManager.INSTALL_EXTERNAL; 8905 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8906 } else { 8907 // Make sure the flag for installing on external 8908 // media is unset 8909 installFlags |= PackageManager.INSTALL_INTERNAL; 8910 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8911 } 8912 } 8913 } 8914 } 8915 8916 final InstallArgs args = createInstallArgs(this); 8917 mArgs = args; 8918 8919 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8920 /* 8921 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8922 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8923 */ 8924 int userIdentifier = getUser().getIdentifier(); 8925 if (userIdentifier == UserHandle.USER_ALL 8926 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8927 userIdentifier = UserHandle.USER_OWNER; 8928 } 8929 8930 /* 8931 * Determine if we have any installed package verifiers. If we 8932 * do, then we'll defer to them to verify the packages. 8933 */ 8934 final int requiredUid = mRequiredVerifierPackage == null ? -1 8935 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8936 if (!origin.existing && requiredUid != -1 8937 && isVerificationEnabled(userIdentifier, installFlags)) { 8938 final Intent verification = new Intent( 8939 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8940 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8941 PACKAGE_MIME_TYPE); 8942 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8943 8944 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8945 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8946 0 /* TODO: Which userId? */); 8947 8948 if (DEBUG_VERIFY) { 8949 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8950 + verification.toString() + " with " + pkgLite.verifiers.length 8951 + " optional verifiers"); 8952 } 8953 8954 final int verificationId = mPendingVerificationToken++; 8955 8956 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8957 8958 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8959 installerPackageName); 8960 8961 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8962 installFlags); 8963 8964 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8965 pkgLite.packageName); 8966 8967 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8968 pkgLite.versionCode); 8969 8970 if (verificationParams != null) { 8971 if (verificationParams.getVerificationURI() != null) { 8972 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8973 verificationParams.getVerificationURI()); 8974 } 8975 if (verificationParams.getOriginatingURI() != null) { 8976 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8977 verificationParams.getOriginatingURI()); 8978 } 8979 if (verificationParams.getReferrer() != null) { 8980 verification.putExtra(Intent.EXTRA_REFERRER, 8981 verificationParams.getReferrer()); 8982 } 8983 if (verificationParams.getOriginatingUid() >= 0) { 8984 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8985 verificationParams.getOriginatingUid()); 8986 } 8987 if (verificationParams.getInstallerUid() >= 0) { 8988 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8989 verificationParams.getInstallerUid()); 8990 } 8991 } 8992 8993 final PackageVerificationState verificationState = new PackageVerificationState( 8994 requiredUid, args); 8995 8996 mPendingVerification.append(verificationId, verificationState); 8997 8998 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8999 receivers, verificationState); 9000 9001 /* 9002 * If any sufficient verifiers were listed in the package 9003 * manifest, attempt to ask them. 9004 */ 9005 if (sufficientVerifiers != null) { 9006 final int N = sufficientVerifiers.size(); 9007 if (N == 0) { 9008 Slog.i(TAG, "Additional verifiers required, but none installed."); 9009 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9010 } else { 9011 for (int i = 0; i < N; i++) { 9012 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9013 9014 final Intent sufficientIntent = new Intent(verification); 9015 sufficientIntent.setComponent(verifierComponent); 9016 9017 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9018 } 9019 } 9020 } 9021 9022 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9023 mRequiredVerifierPackage, receivers); 9024 if (ret == PackageManager.INSTALL_SUCCEEDED 9025 && mRequiredVerifierPackage != null) { 9026 /* 9027 * Send the intent to the required verification agent, 9028 * but only start the verification timeout after the 9029 * target BroadcastReceivers have run. 9030 */ 9031 verification.setComponent(requiredVerifierComponent); 9032 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9033 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9034 new BroadcastReceiver() { 9035 @Override 9036 public void onReceive(Context context, Intent intent) { 9037 final Message msg = mHandler 9038 .obtainMessage(CHECK_PENDING_VERIFICATION); 9039 msg.arg1 = verificationId; 9040 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9041 } 9042 }, null, 0, null, null); 9043 9044 /* 9045 * We don't want the copy to proceed until verification 9046 * succeeds, so null out this field. 9047 */ 9048 mArgs = null; 9049 } 9050 } else { 9051 /* 9052 * No package verification is enabled, so immediately start 9053 * the remote call to initiate copy using temporary file. 9054 */ 9055 ret = args.copyApk(mContainerService, true); 9056 } 9057 } 9058 9059 mRet = ret; 9060 } 9061 9062 @Override 9063 void handleReturnCode() { 9064 // If mArgs is null, then MCS couldn't be reached. When it 9065 // reconnects, it will try again to install. At that point, this 9066 // will succeed. 9067 if (mArgs != null) { 9068 processPendingInstall(mArgs, mRet); 9069 } 9070 } 9071 9072 @Override 9073 void handleServiceError() { 9074 mArgs = createInstallArgs(this); 9075 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9076 } 9077 9078 public boolean isForwardLocked() { 9079 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9080 } 9081 } 9082 9083 /** 9084 * Used during creation of InstallArgs 9085 * 9086 * @param installFlags package installation flags 9087 * @return true if should be installed on external storage 9088 */ 9089 private static boolean installOnSd(int installFlags) { 9090 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9091 return false; 9092 } 9093 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9094 return true; 9095 } 9096 return false; 9097 } 9098 9099 /** 9100 * Used during creation of InstallArgs 9101 * 9102 * @param installFlags package installation flags 9103 * @return true if should be installed as forward locked 9104 */ 9105 private static boolean installForwardLocked(int installFlags) { 9106 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9107 } 9108 9109 private InstallArgs createInstallArgs(InstallParams params) { 9110 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9111 return new AsecInstallArgs(params); 9112 } else { 9113 return new FileInstallArgs(params); 9114 } 9115 } 9116 9117 /** 9118 * Create args that describe an existing installed package. Typically used 9119 * when cleaning up old installs, or used as a move source. 9120 */ 9121 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9122 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9123 final boolean isInAsec; 9124 if (installOnSd(installFlags)) { 9125 /* Apps on SD card are always in ASEC containers. */ 9126 isInAsec = true; 9127 } else if (installForwardLocked(installFlags) 9128 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9129 /* 9130 * Forward-locked apps are only in ASEC containers if they're the 9131 * new style 9132 */ 9133 isInAsec = true; 9134 } else { 9135 isInAsec = false; 9136 } 9137 9138 if (isInAsec) { 9139 return new AsecInstallArgs(codePath, instructionSets, 9140 installOnSd(installFlags), installForwardLocked(installFlags)); 9141 } else { 9142 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9143 instructionSets); 9144 } 9145 } 9146 9147 static abstract class InstallArgs { 9148 /** @see InstallParams#origin */ 9149 final OriginInfo origin; 9150 9151 final IPackageInstallObserver2 observer; 9152 // Always refers to PackageManager flags only 9153 final int installFlags; 9154 final String installerPackageName; 9155 final ManifestDigest manifestDigest; 9156 final UserHandle user; 9157 final String abiOverride; 9158 9159 // The list of instruction sets supported by this app. This is currently 9160 // only used during the rmdex() phase to clean up resources. We can get rid of this 9161 // if we move dex files under the common app path. 9162 /* nullable */ String[] instructionSets; 9163 9164 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9165 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9166 String[] instructionSets, String abiOverride) { 9167 this.origin = origin; 9168 this.installFlags = installFlags; 9169 this.observer = observer; 9170 this.installerPackageName = installerPackageName; 9171 this.manifestDigest = manifestDigest; 9172 this.user = user; 9173 this.instructionSets = instructionSets; 9174 this.abiOverride = abiOverride; 9175 } 9176 9177 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9178 abstract int doPreInstall(int status); 9179 9180 /** 9181 * Rename package into final resting place. All paths on the given 9182 * scanned package should be updated to reflect the rename. 9183 */ 9184 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9185 abstract int doPostInstall(int status, int uid); 9186 9187 /** @see PackageSettingBase#codePathString */ 9188 abstract String getCodePath(); 9189 /** @see PackageSettingBase#resourcePathString */ 9190 abstract String getResourcePath(); 9191 abstract String getLegacyNativeLibraryPath(); 9192 9193 // Need installer lock especially for dex file removal. 9194 abstract void cleanUpResourcesLI(); 9195 abstract boolean doPostDeleteLI(boolean delete); 9196 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9197 9198 /** 9199 * Called before the source arguments are copied. This is used mostly 9200 * for MoveParams when it needs to read the source file to put it in the 9201 * destination. 9202 */ 9203 int doPreCopy() { 9204 return PackageManager.INSTALL_SUCCEEDED; 9205 } 9206 9207 /** 9208 * Called after the source arguments are copied. This is used mostly for 9209 * MoveParams when it needs to read the source file to put it in the 9210 * destination. 9211 * 9212 * @return 9213 */ 9214 int doPostCopy(int uid) { 9215 return PackageManager.INSTALL_SUCCEEDED; 9216 } 9217 9218 protected boolean isFwdLocked() { 9219 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9220 } 9221 9222 protected boolean isExternal() { 9223 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9224 } 9225 9226 UserHandle getUser() { 9227 return user; 9228 } 9229 } 9230 9231 /** 9232 * Logic to handle installation of non-ASEC applications, including copying 9233 * and renaming logic. 9234 */ 9235 class FileInstallArgs extends InstallArgs { 9236 private File codeFile; 9237 private File resourceFile; 9238 private File legacyNativeLibraryPath; 9239 9240 // Example topology: 9241 // /data/app/com.example/base.apk 9242 // /data/app/com.example/split_foo.apk 9243 // /data/app/com.example/lib/arm/libfoo.so 9244 // /data/app/com.example/lib/arm64/libfoo.so 9245 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9246 9247 /** New install */ 9248 FileInstallArgs(InstallParams params) { 9249 super(params.origin, params.observer, params.installFlags, 9250 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9251 null /* instruction sets */, params.packageAbiOverride); 9252 if (isFwdLocked()) { 9253 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9254 } 9255 } 9256 9257 /** Existing install */ 9258 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9259 String[] instructionSets) { 9260 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9261 this.codeFile = (codePath != null) ? new File(codePath) : null; 9262 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9263 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9264 new File(legacyNativeLibraryPath) : null; 9265 } 9266 9267 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9268 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9269 isFwdLocked(), abiOverride); 9270 9271 final StorageManager storage = StorageManager.from(mContext); 9272 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9273 } 9274 9275 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9276 if (origin.staged) { 9277 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9278 codeFile = origin.file; 9279 resourceFile = origin.file; 9280 return PackageManager.INSTALL_SUCCEEDED; 9281 } 9282 9283 try { 9284 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9285 codeFile = tempDir; 9286 resourceFile = tempDir; 9287 } catch (IOException e) { 9288 Slog.w(TAG, "Failed to create copy file: " + e); 9289 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9290 } 9291 9292 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9293 @Override 9294 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9295 if (!FileUtils.isValidExtFilename(name)) { 9296 throw new IllegalArgumentException("Invalid filename: " + name); 9297 } 9298 try { 9299 final File file = new File(codeFile, name); 9300 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9301 O_RDWR | O_CREAT, 0644); 9302 Os.chmod(file.getAbsolutePath(), 0644); 9303 return new ParcelFileDescriptor(fd); 9304 } catch (ErrnoException e) { 9305 throw new RemoteException("Failed to open: " + e.getMessage()); 9306 } 9307 } 9308 }; 9309 9310 int ret = PackageManager.INSTALL_SUCCEEDED; 9311 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9312 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9313 Slog.e(TAG, "Failed to copy package"); 9314 return ret; 9315 } 9316 9317 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9318 NativeLibraryHelper.Handle handle = null; 9319 try { 9320 handle = NativeLibraryHelper.Handle.create(codeFile); 9321 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9322 abiOverride); 9323 } catch (IOException e) { 9324 Slog.e(TAG, "Copying native libraries failed", e); 9325 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9326 } finally { 9327 IoUtils.closeQuietly(handle); 9328 } 9329 9330 return ret; 9331 } 9332 9333 int doPreInstall(int status) { 9334 if (status != PackageManager.INSTALL_SUCCEEDED) { 9335 cleanUp(); 9336 } 9337 return status; 9338 } 9339 9340 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9341 if (status != PackageManager.INSTALL_SUCCEEDED) { 9342 cleanUp(); 9343 return false; 9344 } else { 9345 final File beforeCodeFile = codeFile; 9346 final File afterCodeFile = getNextCodePath(pkg.packageName); 9347 9348 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9349 try { 9350 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9351 } catch (ErrnoException e) { 9352 Slog.d(TAG, "Failed to rename", e); 9353 return false; 9354 } 9355 9356 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9357 Slog.d(TAG, "Failed to restorecon"); 9358 return false; 9359 } 9360 9361 // Reflect the rename internally 9362 codeFile = afterCodeFile; 9363 resourceFile = afterCodeFile; 9364 9365 // Reflect the rename in scanned details 9366 pkg.codePath = afterCodeFile.getAbsolutePath(); 9367 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9368 pkg.baseCodePath); 9369 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9370 pkg.splitCodePaths); 9371 9372 // Reflect the rename in app info 9373 pkg.applicationInfo.setCodePath(pkg.codePath); 9374 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9375 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9376 pkg.applicationInfo.setResourcePath(pkg.codePath); 9377 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9378 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9379 9380 return true; 9381 } 9382 } 9383 9384 int doPostInstall(int status, int uid) { 9385 if (status != PackageManager.INSTALL_SUCCEEDED) { 9386 cleanUp(); 9387 } 9388 return status; 9389 } 9390 9391 @Override 9392 String getCodePath() { 9393 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9394 } 9395 9396 @Override 9397 String getResourcePath() { 9398 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9399 } 9400 9401 @Override 9402 String getLegacyNativeLibraryPath() { 9403 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9404 } 9405 9406 private boolean cleanUp() { 9407 if (codeFile == null || !codeFile.exists()) { 9408 return false; 9409 } 9410 9411 if (codeFile.isDirectory()) { 9412 FileUtils.deleteContents(codeFile); 9413 } 9414 codeFile.delete(); 9415 9416 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9417 resourceFile.delete(); 9418 } 9419 9420 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9421 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9422 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9423 } 9424 legacyNativeLibraryPath.delete(); 9425 } 9426 9427 return true; 9428 } 9429 9430 void cleanUpResourcesLI() { 9431 // Try enumerating all code paths before deleting 9432 List<String> allCodePaths = Collections.EMPTY_LIST; 9433 if (codeFile != null && codeFile.exists()) { 9434 try { 9435 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9436 allCodePaths = pkg.getAllCodePaths(); 9437 } catch (PackageParserException e) { 9438 // Ignored; we tried our best 9439 } 9440 } 9441 9442 cleanUp(); 9443 9444 if (!allCodePaths.isEmpty()) { 9445 if (instructionSets == null) { 9446 throw new IllegalStateException("instructionSet == null"); 9447 } 9448 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9449 for (String codePath : allCodePaths) { 9450 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9451 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9452 if (retCode < 0) { 9453 Slog.w(TAG, "Couldn't remove dex file for package: " 9454 + " at location " + codePath + ", retcode=" + retCode); 9455 // we don't consider this to be a failure of the core package deletion 9456 } 9457 } 9458 } 9459 } 9460 } 9461 9462 boolean doPostDeleteLI(boolean delete) { 9463 // XXX err, shouldn't we respect the delete flag? 9464 cleanUpResourcesLI(); 9465 return true; 9466 } 9467 } 9468 9469 private boolean isAsecExternal(String cid) { 9470 final String asecPath = PackageHelper.getSdFilesystem(cid); 9471 return !asecPath.startsWith(mAsecInternalPath); 9472 } 9473 9474 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9475 PackageManagerException { 9476 if (copyRet < 0) { 9477 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9478 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9479 throw new PackageManagerException(copyRet, message); 9480 } 9481 } 9482 } 9483 9484 /** 9485 * Extract the MountService "container ID" from the full code path of an 9486 * .apk. 9487 */ 9488 static String cidFromCodePath(String fullCodePath) { 9489 int eidx = fullCodePath.lastIndexOf("/"); 9490 String subStr1 = fullCodePath.substring(0, eidx); 9491 int sidx = subStr1.lastIndexOf("/"); 9492 return subStr1.substring(sidx+1, eidx); 9493 } 9494 9495 /** 9496 * Logic to handle installation of ASEC applications, including copying and 9497 * renaming logic. 9498 */ 9499 class AsecInstallArgs extends InstallArgs { 9500 static final String RES_FILE_NAME = "pkg.apk"; 9501 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9502 9503 String cid; 9504 String packagePath; 9505 String resourcePath; 9506 String legacyNativeLibraryDir; 9507 9508 /** New install */ 9509 AsecInstallArgs(InstallParams params) { 9510 super(params.origin, params.observer, params.installFlags, 9511 params.installerPackageName, params.getManifestDigest(), 9512 params.getUser(), null /* instruction sets */, 9513 params.packageAbiOverride); 9514 } 9515 9516 /** Existing install */ 9517 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9518 boolean isExternal, boolean isForwardLocked) { 9519 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9520 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9521 instructionSets, null); 9522 // Hackily pretend we're still looking at a full code path 9523 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9524 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9525 } 9526 9527 // Extract cid from fullCodePath 9528 int eidx = fullCodePath.lastIndexOf("/"); 9529 String subStr1 = fullCodePath.substring(0, eidx); 9530 int sidx = subStr1.lastIndexOf("/"); 9531 cid = subStr1.substring(sidx+1, eidx); 9532 setMountPath(subStr1); 9533 } 9534 9535 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9536 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9537 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9538 instructionSets, null); 9539 this.cid = cid; 9540 setMountPath(PackageHelper.getSdDir(cid)); 9541 } 9542 9543 void createCopyFile() { 9544 cid = mInstallerService.allocateExternalStageCidLegacy(); 9545 } 9546 9547 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9548 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9549 abiOverride); 9550 9551 final File target; 9552 if (isExternal()) { 9553 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9554 } else { 9555 target = Environment.getDataDirectory(); 9556 } 9557 9558 final StorageManager storage = StorageManager.from(mContext); 9559 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9560 } 9561 9562 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9563 if (origin.staged) { 9564 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9565 cid = origin.cid; 9566 setMountPath(PackageHelper.getSdDir(cid)); 9567 return PackageManager.INSTALL_SUCCEEDED; 9568 } 9569 9570 if (temp) { 9571 createCopyFile(); 9572 } else { 9573 /* 9574 * Pre-emptively destroy the container since it's destroyed if 9575 * copying fails due to it existing anyway. 9576 */ 9577 PackageHelper.destroySdDir(cid); 9578 } 9579 9580 final String newMountPath = imcs.copyPackageToContainer( 9581 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9582 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9583 9584 if (newMountPath != null) { 9585 setMountPath(newMountPath); 9586 return PackageManager.INSTALL_SUCCEEDED; 9587 } else { 9588 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9589 } 9590 } 9591 9592 @Override 9593 String getCodePath() { 9594 return packagePath; 9595 } 9596 9597 @Override 9598 String getResourcePath() { 9599 return resourcePath; 9600 } 9601 9602 @Override 9603 String getLegacyNativeLibraryPath() { 9604 return legacyNativeLibraryDir; 9605 } 9606 9607 int doPreInstall(int status) { 9608 if (status != PackageManager.INSTALL_SUCCEEDED) { 9609 // Destroy container 9610 PackageHelper.destroySdDir(cid); 9611 } else { 9612 boolean mounted = PackageHelper.isContainerMounted(cid); 9613 if (!mounted) { 9614 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9615 Process.SYSTEM_UID); 9616 if (newMountPath != null) { 9617 setMountPath(newMountPath); 9618 } else { 9619 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9620 } 9621 } 9622 } 9623 return status; 9624 } 9625 9626 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9627 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9628 String newMountPath = null; 9629 if (PackageHelper.isContainerMounted(cid)) { 9630 // Unmount the container 9631 if (!PackageHelper.unMountSdDir(cid)) { 9632 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9633 return false; 9634 } 9635 } 9636 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9637 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9638 " which might be stale. Will try to clean up."); 9639 // Clean up the stale container and proceed to recreate. 9640 if (!PackageHelper.destroySdDir(newCacheId)) { 9641 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9642 return false; 9643 } 9644 // Successfully cleaned up stale container. Try to rename again. 9645 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9646 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9647 + " inspite of cleaning it up."); 9648 return false; 9649 } 9650 } 9651 if (!PackageHelper.isContainerMounted(newCacheId)) { 9652 Slog.w(TAG, "Mounting container " + newCacheId); 9653 newMountPath = PackageHelper.mountSdDir(newCacheId, 9654 getEncryptKey(), Process.SYSTEM_UID); 9655 } else { 9656 newMountPath = PackageHelper.getSdDir(newCacheId); 9657 } 9658 if (newMountPath == null) { 9659 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9660 return false; 9661 } 9662 Log.i(TAG, "Succesfully renamed " + cid + 9663 " to " + newCacheId + 9664 " at new path: " + newMountPath); 9665 cid = newCacheId; 9666 9667 final File beforeCodeFile = new File(packagePath); 9668 setMountPath(newMountPath); 9669 final File afterCodeFile = new File(packagePath); 9670 9671 // Reflect the rename in scanned details 9672 pkg.codePath = afterCodeFile.getAbsolutePath(); 9673 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9674 pkg.baseCodePath); 9675 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9676 pkg.splitCodePaths); 9677 9678 // Reflect the rename in app info 9679 pkg.applicationInfo.setCodePath(pkg.codePath); 9680 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9681 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9682 pkg.applicationInfo.setResourcePath(pkg.codePath); 9683 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9684 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9685 9686 return true; 9687 } 9688 9689 private void setMountPath(String mountPath) { 9690 final File mountFile = new File(mountPath); 9691 9692 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9693 if (monolithicFile.exists()) { 9694 packagePath = monolithicFile.getAbsolutePath(); 9695 if (isFwdLocked()) { 9696 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9697 } else { 9698 resourcePath = packagePath; 9699 } 9700 } else { 9701 packagePath = mountFile.getAbsolutePath(); 9702 resourcePath = packagePath; 9703 } 9704 9705 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9706 } 9707 9708 int doPostInstall(int status, int uid) { 9709 if (status != PackageManager.INSTALL_SUCCEEDED) { 9710 cleanUp(); 9711 } else { 9712 final int groupOwner; 9713 final String protectedFile; 9714 if (isFwdLocked()) { 9715 groupOwner = UserHandle.getSharedAppGid(uid); 9716 protectedFile = RES_FILE_NAME; 9717 } else { 9718 groupOwner = -1; 9719 protectedFile = null; 9720 } 9721 9722 if (uid < Process.FIRST_APPLICATION_UID 9723 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9724 Slog.e(TAG, "Failed to finalize " + cid); 9725 PackageHelper.destroySdDir(cid); 9726 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9727 } 9728 9729 boolean mounted = PackageHelper.isContainerMounted(cid); 9730 if (!mounted) { 9731 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9732 } 9733 } 9734 return status; 9735 } 9736 9737 private void cleanUp() { 9738 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9739 9740 // Destroy secure container 9741 PackageHelper.destroySdDir(cid); 9742 } 9743 9744 private List<String> getAllCodePaths() { 9745 final File codeFile = new File(getCodePath()); 9746 if (codeFile != null && codeFile.exists()) { 9747 try { 9748 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9749 return pkg.getAllCodePaths(); 9750 } catch (PackageParserException e) { 9751 // Ignored; we tried our best 9752 } 9753 } 9754 return Collections.EMPTY_LIST; 9755 } 9756 9757 void cleanUpResourcesLI() { 9758 // Enumerate all code paths before deleting 9759 cleanUpResourcesLI(getAllCodePaths()); 9760 } 9761 9762 private void cleanUpResourcesLI(List<String> allCodePaths) { 9763 cleanUp(); 9764 9765 if (!allCodePaths.isEmpty()) { 9766 if (instructionSets == null) { 9767 throw new IllegalStateException("instructionSet == null"); 9768 } 9769 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9770 for (String codePath : allCodePaths) { 9771 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9772 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9773 if (retCode < 0) { 9774 Slog.w(TAG, "Couldn't remove dex file for package: " 9775 + " at location " + codePath + ", retcode=" + retCode); 9776 // we don't consider this to be a failure of the core package deletion 9777 } 9778 } 9779 } 9780 } 9781 } 9782 9783 boolean matchContainer(String app) { 9784 if (cid.startsWith(app)) { 9785 return true; 9786 } 9787 return false; 9788 } 9789 9790 String getPackageName() { 9791 return getAsecPackageName(cid); 9792 } 9793 9794 boolean doPostDeleteLI(boolean delete) { 9795 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9796 final List<String> allCodePaths = getAllCodePaths(); 9797 boolean mounted = PackageHelper.isContainerMounted(cid); 9798 if (mounted) { 9799 // Unmount first 9800 if (PackageHelper.unMountSdDir(cid)) { 9801 mounted = false; 9802 } 9803 } 9804 if (!mounted && delete) { 9805 cleanUpResourcesLI(allCodePaths); 9806 } 9807 return !mounted; 9808 } 9809 9810 @Override 9811 int doPreCopy() { 9812 if (isFwdLocked()) { 9813 if (!PackageHelper.fixSdPermissions(cid, 9814 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9815 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9816 } 9817 } 9818 9819 return PackageManager.INSTALL_SUCCEEDED; 9820 } 9821 9822 @Override 9823 int doPostCopy(int uid) { 9824 if (isFwdLocked()) { 9825 if (uid < Process.FIRST_APPLICATION_UID 9826 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9827 RES_FILE_NAME)) { 9828 Slog.e(TAG, "Failed to finalize " + cid); 9829 PackageHelper.destroySdDir(cid); 9830 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9831 } 9832 } 9833 9834 return PackageManager.INSTALL_SUCCEEDED; 9835 } 9836 } 9837 9838 static String getAsecPackageName(String packageCid) { 9839 int idx = packageCid.lastIndexOf("-"); 9840 if (idx == -1) { 9841 return packageCid; 9842 } 9843 return packageCid.substring(0, idx); 9844 } 9845 9846 // Utility method used to create code paths based on package name and available index. 9847 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9848 String idxStr = ""; 9849 int idx = 1; 9850 // Fall back to default value of idx=1 if prefix is not 9851 // part of oldCodePath 9852 if (oldCodePath != null) { 9853 String subStr = oldCodePath; 9854 // Drop the suffix right away 9855 if (suffix != null && subStr.endsWith(suffix)) { 9856 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9857 } 9858 // If oldCodePath already contains prefix find out the 9859 // ending index to either increment or decrement. 9860 int sidx = subStr.lastIndexOf(prefix); 9861 if (sidx != -1) { 9862 subStr = subStr.substring(sidx + prefix.length()); 9863 if (subStr != null) { 9864 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9865 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9866 } 9867 try { 9868 idx = Integer.parseInt(subStr); 9869 if (idx <= 1) { 9870 idx++; 9871 } else { 9872 idx--; 9873 } 9874 } catch(NumberFormatException e) { 9875 } 9876 } 9877 } 9878 } 9879 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9880 return prefix + idxStr; 9881 } 9882 9883 private File getNextCodePath(String packageName) { 9884 int suffix = 1; 9885 File result; 9886 do { 9887 result = new File(mAppInstallDir, packageName + "-" + suffix); 9888 suffix++; 9889 } while (result.exists()); 9890 return result; 9891 } 9892 9893 // Utility method used to ignore ADD/REMOVE events 9894 // by directory observer. 9895 private static boolean ignoreCodePath(String fullPathStr) { 9896 String apkName = deriveCodePathName(fullPathStr); 9897 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9898 if (idx != -1 && ((idx+1) < apkName.length())) { 9899 // Make sure the package ends with a numeral 9900 String version = apkName.substring(idx+1); 9901 try { 9902 Integer.parseInt(version); 9903 return true; 9904 } catch (NumberFormatException e) {} 9905 } 9906 return false; 9907 } 9908 9909 // Utility method that returns the relative package path with respect 9910 // to the installation directory. Like say for /data/data/com.test-1.apk 9911 // string com.test-1 is returned. 9912 static String deriveCodePathName(String codePath) { 9913 if (codePath == null) { 9914 return null; 9915 } 9916 final File codeFile = new File(codePath); 9917 final String name = codeFile.getName(); 9918 if (codeFile.isDirectory()) { 9919 return name; 9920 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9921 final int lastDot = name.lastIndexOf('.'); 9922 return name.substring(0, lastDot); 9923 } else { 9924 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9925 return null; 9926 } 9927 } 9928 9929 class PackageInstalledInfo { 9930 String name; 9931 int uid; 9932 // The set of users that originally had this package installed. 9933 int[] origUsers; 9934 // The set of users that now have this package installed. 9935 int[] newUsers; 9936 PackageParser.Package pkg; 9937 int returnCode; 9938 String returnMsg; 9939 PackageRemovedInfo removedInfo; 9940 9941 public void setError(int code, String msg) { 9942 returnCode = code; 9943 returnMsg = msg; 9944 Slog.w(TAG, msg); 9945 } 9946 9947 public void setError(String msg, PackageParserException e) { 9948 returnCode = e.error; 9949 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9950 Slog.w(TAG, msg, e); 9951 } 9952 9953 public void setError(String msg, PackageManagerException e) { 9954 returnCode = e.error; 9955 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9956 Slog.w(TAG, msg, e); 9957 } 9958 9959 // In some error cases we want to convey more info back to the observer 9960 String origPackage; 9961 String origPermission; 9962 } 9963 9964 /* 9965 * Install a non-existing package. 9966 */ 9967 private void installNewPackageLI(PackageParser.Package pkg, 9968 int parseFlags, int scanFlags, UserHandle user, 9969 String installerPackageName, PackageInstalledInfo res) { 9970 // Remember this for later, in case we need to rollback this install 9971 String pkgName = pkg.packageName; 9972 9973 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9974 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9975 synchronized(mPackages) { 9976 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9977 // A package with the same name is already installed, though 9978 // it has been renamed to an older name. The package we 9979 // are trying to install should be installed as an update to 9980 // the existing one, but that has not been requested, so bail. 9981 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9982 + " without first uninstalling package running as " 9983 + mSettings.mRenamedPackages.get(pkgName)); 9984 return; 9985 } 9986 if (mPackages.containsKey(pkgName)) { 9987 // Don't allow installation over an existing package with the same name. 9988 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9989 + " without first uninstalling."); 9990 return; 9991 } 9992 } 9993 9994 try { 9995 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9996 System.currentTimeMillis(), user); 9997 9998 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9999 // delete the partially installed application. the data directory will have to be 10000 // restored if it was already existing 10001 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10002 // remove package from internal structures. Note that we want deletePackageX to 10003 // delete the package data and cache directories that it created in 10004 // scanPackageLocked, unless those directories existed before we even tried to 10005 // install. 10006 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10007 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10008 res.removedInfo, true); 10009 } 10010 10011 } catch (PackageManagerException e) { 10012 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10013 } 10014 } 10015 10016 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10017 // Upgrade keysets are being used. Determine if new package has a superset of the 10018 // required keys. 10019 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10020 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10021 for (int i = 0; i < upgradeKeySets.length; i++) { 10022 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10023 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10024 return true; 10025 } 10026 } 10027 return false; 10028 } 10029 10030 private void replacePackageLI(PackageParser.Package pkg, 10031 int parseFlags, int scanFlags, UserHandle user, 10032 String installerPackageName, PackageInstalledInfo res) { 10033 PackageParser.Package oldPackage; 10034 String pkgName = pkg.packageName; 10035 int[] allUsers; 10036 boolean[] perUserInstalled; 10037 10038 // First find the old package info and check signatures 10039 synchronized(mPackages) { 10040 oldPackage = mPackages.get(pkgName); 10041 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10042 PackageSetting ps = mSettings.mPackages.get(pkgName); 10043 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10044 // default to original signature matching 10045 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10046 != PackageManager.SIGNATURE_MATCH) { 10047 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10048 "New package has a different signature: " + pkgName); 10049 return; 10050 } 10051 } else { 10052 if(!checkUpgradeKeySetLP(ps, pkg)) { 10053 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10054 "New package not signed by keys specified by upgrade-keysets: " 10055 + pkgName); 10056 return; 10057 } 10058 } 10059 10060 // In case of rollback, remember per-user/profile install state 10061 allUsers = sUserManager.getUserIds(); 10062 perUserInstalled = new boolean[allUsers.length]; 10063 for (int i = 0; i < allUsers.length; i++) { 10064 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10065 } 10066 } 10067 10068 boolean sysPkg = (isSystemApp(oldPackage)); 10069 if (sysPkg) { 10070 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10071 user, allUsers, perUserInstalled, installerPackageName, res); 10072 } else { 10073 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10074 user, allUsers, perUserInstalled, installerPackageName, res); 10075 } 10076 } 10077 10078 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10079 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10080 int[] allUsers, boolean[] perUserInstalled, 10081 String installerPackageName, PackageInstalledInfo res) { 10082 String pkgName = deletedPackage.packageName; 10083 boolean deletedPkg = true; 10084 boolean updatedSettings = false; 10085 10086 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10087 + deletedPackage); 10088 long origUpdateTime; 10089 if (pkg.mExtras != null) { 10090 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10091 } else { 10092 origUpdateTime = 0; 10093 } 10094 10095 // First delete the existing package while retaining the data directory 10096 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10097 res.removedInfo, true)) { 10098 // If the existing package wasn't successfully deleted 10099 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10100 deletedPkg = false; 10101 } else { 10102 // Successfully deleted the old package; proceed with replace. 10103 10104 // If deleted package lived in a container, give users a chance to 10105 // relinquish resources before killing. 10106 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10107 if (DEBUG_INSTALL) { 10108 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10109 } 10110 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10111 final ArrayList<String> pkgList = new ArrayList<String>(1); 10112 pkgList.add(deletedPackage.applicationInfo.packageName); 10113 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10114 } 10115 10116 deleteCodeCacheDirsLI(pkgName); 10117 try { 10118 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10119 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10120 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10121 updatedSettings = true; 10122 } catch (PackageManagerException e) { 10123 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10124 } 10125 } 10126 10127 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10128 // remove package from internal structures. Note that we want deletePackageX to 10129 // delete the package data and cache directories that it created in 10130 // scanPackageLocked, unless those directories existed before we even tried to 10131 // install. 10132 if(updatedSettings) { 10133 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10134 deletePackageLI( 10135 pkgName, null, true, allUsers, perUserInstalled, 10136 PackageManager.DELETE_KEEP_DATA, 10137 res.removedInfo, true); 10138 } 10139 // Since we failed to install the new package we need to restore the old 10140 // package that we deleted. 10141 if (deletedPkg) { 10142 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10143 File restoreFile = new File(deletedPackage.codePath); 10144 // Parse old package 10145 boolean oldOnSd = isExternal(deletedPackage); 10146 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10147 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10148 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10149 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10150 try { 10151 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10152 } catch (PackageManagerException e) { 10153 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10154 + e.getMessage()); 10155 return; 10156 } 10157 // Restore of old package succeeded. Update permissions. 10158 // writer 10159 synchronized (mPackages) { 10160 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10161 UPDATE_PERMISSIONS_ALL); 10162 // can downgrade to reader 10163 mSettings.writeLPr(); 10164 } 10165 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10166 } 10167 } 10168 } 10169 10170 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10171 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10172 int[] allUsers, boolean[] perUserInstalled, 10173 String installerPackageName, PackageInstalledInfo res) { 10174 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10175 + ", old=" + deletedPackage); 10176 boolean disabledSystem = false; 10177 boolean updatedSettings = false; 10178 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10179 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10180 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10181 } 10182 String packageName = deletedPackage.packageName; 10183 if (packageName == null) { 10184 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10185 "Attempt to delete null packageName."); 10186 return; 10187 } 10188 PackageParser.Package oldPkg; 10189 PackageSetting oldPkgSetting; 10190 // reader 10191 synchronized (mPackages) { 10192 oldPkg = mPackages.get(packageName); 10193 oldPkgSetting = mSettings.mPackages.get(packageName); 10194 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10195 (oldPkgSetting == null)) { 10196 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10197 "Couldn't find package:" + packageName + " information"); 10198 return; 10199 } 10200 } 10201 10202 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10203 10204 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10205 res.removedInfo.removedPackage = packageName; 10206 // Remove existing system package 10207 removePackageLI(oldPkgSetting, true); 10208 // writer 10209 synchronized (mPackages) { 10210 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10211 if (!disabledSystem && deletedPackage != null) { 10212 // We didn't need to disable the .apk as a current system package, 10213 // which means we are replacing another update that is already 10214 // installed. We need to make sure to delete the older one's .apk. 10215 res.removedInfo.args = createInstallArgsForExisting(0, 10216 deletedPackage.applicationInfo.getCodePath(), 10217 deletedPackage.applicationInfo.getResourcePath(), 10218 deletedPackage.applicationInfo.nativeLibraryRootDir, 10219 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10220 } else { 10221 res.removedInfo.args = null; 10222 } 10223 } 10224 10225 // Successfully disabled the old package. Now proceed with re-installation 10226 deleteCodeCacheDirsLI(packageName); 10227 10228 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10229 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10230 10231 PackageParser.Package newPackage = null; 10232 try { 10233 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10234 if (newPackage.mExtras != null) { 10235 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10236 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10237 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10238 10239 // is the update attempting to change shared user? that isn't going to work... 10240 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10241 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10242 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10243 + " to " + newPkgSetting.sharedUser); 10244 updatedSettings = true; 10245 } 10246 } 10247 10248 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10249 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10250 updatedSettings = true; 10251 } 10252 10253 } catch (PackageManagerException e) { 10254 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10255 } 10256 10257 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10258 // Re installation failed. Restore old information 10259 // Remove new pkg information 10260 if (newPackage != null) { 10261 removeInstalledPackageLI(newPackage, true); 10262 } 10263 // Add back the old system package 10264 try { 10265 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10266 } catch (PackageManagerException e) { 10267 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10268 } 10269 // Restore the old system information in Settings 10270 synchronized (mPackages) { 10271 if (disabledSystem) { 10272 mSettings.enableSystemPackageLPw(packageName); 10273 } 10274 if (updatedSettings) { 10275 mSettings.setInstallerPackageName(packageName, 10276 oldPkgSetting.installerPackageName); 10277 } 10278 mSettings.writeLPr(); 10279 } 10280 } 10281 } 10282 10283 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10284 int[] allUsers, boolean[] perUserInstalled, 10285 PackageInstalledInfo res) { 10286 String pkgName = newPackage.packageName; 10287 synchronized (mPackages) { 10288 //write settings. the installStatus will be incomplete at this stage. 10289 //note that the new package setting would have already been 10290 //added to mPackages. It hasn't been persisted yet. 10291 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10292 mSettings.writeLPr(); 10293 } 10294 10295 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10296 10297 synchronized (mPackages) { 10298 updatePermissionsLPw(newPackage.packageName, newPackage, 10299 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10300 ? UPDATE_PERMISSIONS_ALL : 0)); 10301 // For system-bundled packages, we assume that installing an upgraded version 10302 // of the package implies that the user actually wants to run that new code, 10303 // so we enable the package. 10304 if (isSystemApp(newPackage)) { 10305 // NB: implicit assumption that system package upgrades apply to all users 10306 if (DEBUG_INSTALL) { 10307 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10308 } 10309 PackageSetting ps = mSettings.mPackages.get(pkgName); 10310 if (ps != null) { 10311 if (res.origUsers != null) { 10312 for (int userHandle : res.origUsers) { 10313 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10314 userHandle, installerPackageName); 10315 } 10316 } 10317 // Also convey the prior install/uninstall state 10318 if (allUsers != null && perUserInstalled != null) { 10319 for (int i = 0; i < allUsers.length; i++) { 10320 if (DEBUG_INSTALL) { 10321 Slog.d(TAG, " user " + allUsers[i] 10322 + " => " + perUserInstalled[i]); 10323 } 10324 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10325 } 10326 // these install state changes will be persisted in the 10327 // upcoming call to mSettings.writeLPr(). 10328 } 10329 } 10330 } 10331 res.name = pkgName; 10332 res.uid = newPackage.applicationInfo.uid; 10333 res.pkg = newPackage; 10334 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10335 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10336 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10337 //to update install status 10338 mSettings.writeLPr(); 10339 } 10340 } 10341 10342 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10343 final int installFlags = args.installFlags; 10344 String installerPackageName = args.installerPackageName; 10345 File tmpPackageFile = new File(args.getCodePath()); 10346 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10347 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10348 boolean replace = false; 10349 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10350 // Result object to be returned 10351 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10352 10353 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10354 // Retrieve PackageSettings and parse package 10355 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10356 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10357 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10358 PackageParser pp = new PackageParser(); 10359 pp.setSeparateProcesses(mSeparateProcesses); 10360 pp.setDisplayMetrics(mMetrics); 10361 10362 final PackageParser.Package pkg; 10363 try { 10364 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10365 } catch (PackageParserException e) { 10366 res.setError("Failed parse during installPackageLI", e); 10367 return; 10368 } 10369 10370 // Mark that we have an install time CPU ABI override. 10371 pkg.cpuAbiOverride = args.abiOverride; 10372 10373 String pkgName = res.name = pkg.packageName; 10374 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10375 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10376 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10377 return; 10378 } 10379 } 10380 10381 try { 10382 pp.collectCertificates(pkg, parseFlags); 10383 pp.collectManifestDigest(pkg); 10384 } catch (PackageParserException e) { 10385 res.setError("Failed collect during installPackageLI", e); 10386 return; 10387 } 10388 10389 /* If the installer passed in a manifest digest, compare it now. */ 10390 if (args.manifestDigest != null) { 10391 if (DEBUG_INSTALL) { 10392 final String parsedManifest = pkg.manifestDigest == null ? "null" 10393 : pkg.manifestDigest.toString(); 10394 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10395 + parsedManifest); 10396 } 10397 10398 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10399 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10400 return; 10401 } 10402 } else if (DEBUG_INSTALL) { 10403 final String parsedManifest = pkg.manifestDigest == null 10404 ? "null" : pkg.manifestDigest.toString(); 10405 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10406 } 10407 10408 // Get rid of all references to package scan path via parser. 10409 pp = null; 10410 String oldCodePath = null; 10411 boolean systemApp = false; 10412 synchronized (mPackages) { 10413 // Check if installing already existing package 10414 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10415 String oldName = mSettings.mRenamedPackages.get(pkgName); 10416 if (pkg.mOriginalPackages != null 10417 && pkg.mOriginalPackages.contains(oldName) 10418 && mPackages.containsKey(oldName)) { 10419 // This package is derived from an original package, 10420 // and this device has been updating from that original 10421 // name. We must continue using the original name, so 10422 // rename the new package here. 10423 pkg.setPackageName(oldName); 10424 pkgName = pkg.packageName; 10425 replace = true; 10426 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10427 + oldName + " pkgName=" + pkgName); 10428 } else if (mPackages.containsKey(pkgName)) { 10429 // This package, under its official name, already exists 10430 // on the device; we should replace it. 10431 replace = true; 10432 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10433 } 10434 } 10435 10436 PackageSetting ps = mSettings.mPackages.get(pkgName); 10437 if (ps != null) { 10438 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10439 10440 // Quick sanity check that we're signed correctly if updating; 10441 // we'll check this again later when scanning, but we want to 10442 // bail early here before tripping over redefined permissions. 10443 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10444 try { 10445 verifySignaturesLP(ps, pkg); 10446 } catch (PackageManagerException e) { 10447 res.setError(e.error, e.getMessage()); 10448 return; 10449 } 10450 } else { 10451 if (!checkUpgradeKeySetLP(ps, pkg)) { 10452 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10453 + pkg.packageName + " upgrade keys do not match the " 10454 + "previously installed version"); 10455 return; 10456 } 10457 } 10458 10459 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10460 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10461 systemApp = (ps.pkg.applicationInfo.flags & 10462 ApplicationInfo.FLAG_SYSTEM) != 0; 10463 } 10464 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10465 } 10466 10467 // Check whether the newly-scanned package wants to define an already-defined perm 10468 int N = pkg.permissions.size(); 10469 for (int i = N-1; i >= 0; i--) { 10470 PackageParser.Permission perm = pkg.permissions.get(i); 10471 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10472 if (bp != null) { 10473 // If the defining package is signed with our cert, it's okay. This 10474 // also includes the "updating the same package" case, of course. 10475 // "updating same package" could also involve key-rotation. 10476 final boolean sigsOk; 10477 if (!bp.sourcePackage.equals(pkg.packageName) 10478 || !(bp.packageSetting instanceof PackageSetting) 10479 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10480 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10481 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10482 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10483 } else { 10484 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10485 } 10486 if (!sigsOk) { 10487 // If the owning package is the system itself, we log but allow 10488 // install to proceed; we fail the install on all other permission 10489 // redefinitions. 10490 if (!bp.sourcePackage.equals("android")) { 10491 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10492 + pkg.packageName + " attempting to redeclare permission " 10493 + perm.info.name + " already owned by " + bp.sourcePackage); 10494 res.origPermission = perm.info.name; 10495 res.origPackage = bp.sourcePackage; 10496 return; 10497 } else { 10498 Slog.w(TAG, "Package " + pkg.packageName 10499 + " attempting to redeclare system permission " 10500 + perm.info.name + "; ignoring new declaration"); 10501 pkg.permissions.remove(i); 10502 } 10503 } 10504 } 10505 } 10506 10507 } 10508 10509 if (systemApp && onSd) { 10510 // Disable updates to system apps on sdcard 10511 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10512 "Cannot install updates to system apps on sdcard"); 10513 return; 10514 } 10515 10516 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10517 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10518 return; 10519 } 10520 10521 if (replace) { 10522 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10523 installerPackageName, res); 10524 } else { 10525 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10526 args.user, installerPackageName, res); 10527 } 10528 synchronized (mPackages) { 10529 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10530 if (ps != null) { 10531 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10532 } 10533 } 10534 } 10535 10536 private static boolean isForwardLocked(PackageParser.Package pkg) { 10537 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10538 } 10539 10540 private static boolean isForwardLocked(ApplicationInfo info) { 10541 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10542 } 10543 10544 private boolean isForwardLocked(PackageSetting ps) { 10545 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10546 } 10547 10548 private static boolean isMultiArch(PackageSetting ps) { 10549 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10550 } 10551 10552 private static boolean isMultiArch(ApplicationInfo info) { 10553 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10554 } 10555 10556 private static boolean isExternal(PackageParser.Package pkg) { 10557 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10558 } 10559 10560 private static boolean isExternal(PackageSetting ps) { 10561 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10562 } 10563 10564 private static boolean isExternal(ApplicationInfo info) { 10565 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10566 } 10567 10568 private static boolean isSystemApp(PackageParser.Package pkg) { 10569 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10570 } 10571 10572 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10573 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10574 } 10575 10576 private static boolean isSystemApp(ApplicationInfo info) { 10577 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10578 } 10579 10580 private static boolean isSystemApp(PackageSetting ps) { 10581 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10582 } 10583 10584 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10585 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10586 } 10587 10588 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10589 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10590 } 10591 10592 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10593 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10594 } 10595 10596 private int packageFlagsToInstallFlags(PackageSetting ps) { 10597 int installFlags = 0; 10598 if (isExternal(ps)) { 10599 installFlags |= PackageManager.INSTALL_EXTERNAL; 10600 } 10601 if (isForwardLocked(ps)) { 10602 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10603 } 10604 return installFlags; 10605 } 10606 10607 private void deleteTempPackageFiles() { 10608 final FilenameFilter filter = new FilenameFilter() { 10609 public boolean accept(File dir, String name) { 10610 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10611 } 10612 }; 10613 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10614 file.delete(); 10615 } 10616 } 10617 10618 @Override 10619 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10620 int flags) { 10621 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10622 flags); 10623 } 10624 10625 @Override 10626 public void deletePackage(final String packageName, 10627 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10628 mContext.enforceCallingOrSelfPermission( 10629 android.Manifest.permission.DELETE_PACKAGES, null); 10630 final int uid = Binder.getCallingUid(); 10631 if (UserHandle.getUserId(uid) != userId) { 10632 mContext.enforceCallingPermission( 10633 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10634 "deletePackage for user " + userId); 10635 } 10636 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10637 try { 10638 observer.onPackageDeleted(packageName, 10639 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10640 } catch (RemoteException re) { 10641 } 10642 return; 10643 } 10644 10645 boolean uninstallBlocked = false; 10646 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10647 int[] users = sUserManager.getUserIds(); 10648 for (int i = 0; i < users.length; ++i) { 10649 if (getBlockUninstallForUser(packageName, users[i])) { 10650 uninstallBlocked = true; 10651 break; 10652 } 10653 } 10654 } else { 10655 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10656 } 10657 if (uninstallBlocked) { 10658 try { 10659 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10660 null); 10661 } catch (RemoteException re) { 10662 } 10663 return; 10664 } 10665 10666 if (DEBUG_REMOVE) { 10667 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10668 } 10669 // Queue up an async operation since the package deletion may take a little while. 10670 mHandler.post(new Runnable() { 10671 public void run() { 10672 mHandler.removeCallbacks(this); 10673 final int returnCode = deletePackageX(packageName, userId, flags); 10674 if (observer != null) { 10675 try { 10676 observer.onPackageDeleted(packageName, returnCode, null); 10677 } catch (RemoteException e) { 10678 Log.i(TAG, "Observer no longer exists."); 10679 } //end catch 10680 } //end if 10681 } //end run 10682 }); 10683 } 10684 10685 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10686 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10687 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10688 try { 10689 if (dpm != null) { 10690 if (dpm.isDeviceOwner(packageName)) { 10691 return true; 10692 } 10693 int[] users; 10694 if (userId == UserHandle.USER_ALL) { 10695 users = sUserManager.getUserIds(); 10696 } else { 10697 users = new int[]{userId}; 10698 } 10699 for (int i = 0; i < users.length; ++i) { 10700 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10701 return true; 10702 } 10703 } 10704 } 10705 } catch (RemoteException e) { 10706 } 10707 return false; 10708 } 10709 10710 /** 10711 * This method is an internal method that could be get invoked either 10712 * to delete an installed package or to clean up a failed installation. 10713 * After deleting an installed package, a broadcast is sent to notify any 10714 * listeners that the package has been installed. For cleaning up a failed 10715 * installation, the broadcast is not necessary since the package's 10716 * installation wouldn't have sent the initial broadcast either 10717 * The key steps in deleting a package are 10718 * deleting the package information in internal structures like mPackages, 10719 * deleting the packages base directories through installd 10720 * updating mSettings to reflect current status 10721 * persisting settings for later use 10722 * sending a broadcast if necessary 10723 */ 10724 private int deletePackageX(String packageName, int userId, int flags) { 10725 final PackageRemovedInfo info = new PackageRemovedInfo(); 10726 final boolean res; 10727 10728 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10729 ? UserHandle.ALL : new UserHandle(userId); 10730 10731 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10732 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10733 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10734 } 10735 10736 boolean removedForAllUsers = false; 10737 boolean systemUpdate = false; 10738 10739 // for the uninstall-updates case and restricted profiles, remember the per- 10740 // userhandle installed state 10741 int[] allUsers; 10742 boolean[] perUserInstalled; 10743 synchronized (mPackages) { 10744 PackageSetting ps = mSettings.mPackages.get(packageName); 10745 allUsers = sUserManager.getUserIds(); 10746 perUserInstalled = new boolean[allUsers.length]; 10747 for (int i = 0; i < allUsers.length; i++) { 10748 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10749 } 10750 } 10751 10752 synchronized (mInstallLock) { 10753 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10754 res = deletePackageLI(packageName, removeForUser, 10755 true, allUsers, perUserInstalled, 10756 flags | REMOVE_CHATTY, info, true); 10757 systemUpdate = info.isRemovedPackageSystemUpdate; 10758 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10759 removedForAllUsers = true; 10760 } 10761 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10762 + " removedForAllUsers=" + removedForAllUsers); 10763 } 10764 10765 if (res) { 10766 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10767 10768 // If the removed package was a system update, the old system package 10769 // was re-enabled; we need to broadcast this information 10770 if (systemUpdate) { 10771 Bundle extras = new Bundle(1); 10772 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10773 ? info.removedAppId : info.uid); 10774 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10775 10776 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10777 extras, null, null, null); 10778 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10779 extras, null, null, null); 10780 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10781 null, packageName, null, null); 10782 } 10783 } 10784 // Force a gc here. 10785 Runtime.getRuntime().gc(); 10786 // Delete the resources here after sending the broadcast to let 10787 // other processes clean up before deleting resources. 10788 if (info.args != null) { 10789 synchronized (mInstallLock) { 10790 info.args.doPostDeleteLI(true); 10791 } 10792 } 10793 10794 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10795 } 10796 10797 static class PackageRemovedInfo { 10798 String removedPackage; 10799 int uid = -1; 10800 int removedAppId = -1; 10801 int[] removedUsers = null; 10802 boolean isRemovedPackageSystemUpdate = false; 10803 // Clean up resources deleted packages. 10804 InstallArgs args = null; 10805 10806 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10807 Bundle extras = new Bundle(1); 10808 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10809 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10810 if (replacing) { 10811 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10812 } 10813 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10814 if (removedPackage != null) { 10815 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10816 extras, null, null, removedUsers); 10817 if (fullRemove && !replacing) { 10818 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10819 extras, null, null, removedUsers); 10820 } 10821 } 10822 if (removedAppId >= 0) { 10823 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10824 removedUsers); 10825 } 10826 } 10827 } 10828 10829 /* 10830 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10831 * flag is not set, the data directory is removed as well. 10832 * make sure this flag is set for partially installed apps. If not its meaningless to 10833 * delete a partially installed application. 10834 */ 10835 private void removePackageDataLI(PackageSetting ps, 10836 int[] allUserHandles, boolean[] perUserInstalled, 10837 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10838 String packageName = ps.name; 10839 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10840 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10841 // Retrieve object to delete permissions for shared user later on 10842 final PackageSetting deletedPs; 10843 // reader 10844 synchronized (mPackages) { 10845 deletedPs = mSettings.mPackages.get(packageName); 10846 if (outInfo != null) { 10847 outInfo.removedPackage = packageName; 10848 outInfo.removedUsers = deletedPs != null 10849 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10850 : null; 10851 } 10852 } 10853 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10854 removeDataDirsLI(packageName); 10855 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10856 } 10857 // writer 10858 synchronized (mPackages) { 10859 if (deletedPs != null) { 10860 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10861 if (outInfo != null) { 10862 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10863 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10864 } 10865 if (deletedPs != null) { 10866 updatePermissionsLPw(deletedPs.name, null, 0); 10867 if (deletedPs.sharedUser != null) { 10868 // remove permissions associated with package 10869 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10870 } 10871 } 10872 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10873 } 10874 // make sure to preserve per-user disabled state if this removal was just 10875 // a downgrade of a system app to the factory package 10876 if (allUserHandles != null && perUserInstalled != null) { 10877 if (DEBUG_REMOVE) { 10878 Slog.d(TAG, "Propagating install state across downgrade"); 10879 } 10880 for (int i = 0; i < allUserHandles.length; i++) { 10881 if (DEBUG_REMOVE) { 10882 Slog.d(TAG, " user " + allUserHandles[i] 10883 + " => " + perUserInstalled[i]); 10884 } 10885 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10886 } 10887 } 10888 } 10889 // can downgrade to reader 10890 if (writeSettings) { 10891 // Save settings now 10892 mSettings.writeLPr(); 10893 } 10894 } 10895 if (outInfo != null) { 10896 // A user ID was deleted here. Go through all users and remove it 10897 // from KeyStore. 10898 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10899 } 10900 } 10901 10902 static boolean locationIsPrivileged(File path) { 10903 try { 10904 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10905 .getCanonicalPath(); 10906 return path.getCanonicalPath().startsWith(privilegedAppDir); 10907 } catch (IOException e) { 10908 Slog.e(TAG, "Unable to access code path " + path); 10909 } 10910 return false; 10911 } 10912 10913 /* 10914 * Tries to delete system package. 10915 */ 10916 private boolean deleteSystemPackageLI(PackageSetting newPs, 10917 int[] allUserHandles, boolean[] perUserInstalled, 10918 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10919 final boolean applyUserRestrictions 10920 = (allUserHandles != null) && (perUserInstalled != null); 10921 PackageSetting disabledPs = null; 10922 // Confirm if the system package has been updated 10923 // An updated system app can be deleted. This will also have to restore 10924 // the system pkg from system partition 10925 // reader 10926 synchronized (mPackages) { 10927 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10928 } 10929 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10930 + " disabledPs=" + disabledPs); 10931 if (disabledPs == null) { 10932 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10933 return false; 10934 } else if (DEBUG_REMOVE) { 10935 Slog.d(TAG, "Deleting system pkg from data partition"); 10936 } 10937 if (DEBUG_REMOVE) { 10938 if (applyUserRestrictions) { 10939 Slog.d(TAG, "Remembering install states:"); 10940 for (int i = 0; i < allUserHandles.length; i++) { 10941 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10942 } 10943 } 10944 } 10945 // Delete the updated package 10946 outInfo.isRemovedPackageSystemUpdate = true; 10947 if (disabledPs.versionCode < newPs.versionCode) { 10948 // Delete data for downgrades 10949 flags &= ~PackageManager.DELETE_KEEP_DATA; 10950 } else { 10951 // Preserve data by setting flag 10952 flags |= PackageManager.DELETE_KEEP_DATA; 10953 } 10954 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10955 allUserHandles, perUserInstalled, outInfo, writeSettings); 10956 if (!ret) { 10957 return false; 10958 } 10959 // writer 10960 synchronized (mPackages) { 10961 // Reinstate the old system package 10962 mSettings.enableSystemPackageLPw(newPs.name); 10963 // Remove any native libraries from the upgraded package. 10964 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10965 } 10966 // Install the system package 10967 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10968 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10969 if (locationIsPrivileged(disabledPs.codePath)) { 10970 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10971 } 10972 10973 final PackageParser.Package newPkg; 10974 try { 10975 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10976 } catch (PackageManagerException e) { 10977 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10978 return false; 10979 } 10980 10981 // writer 10982 synchronized (mPackages) { 10983 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10984 updatePermissionsLPw(newPkg.packageName, newPkg, 10985 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10986 if (applyUserRestrictions) { 10987 if (DEBUG_REMOVE) { 10988 Slog.d(TAG, "Propagating install state across reinstall"); 10989 } 10990 for (int i = 0; i < allUserHandles.length; i++) { 10991 if (DEBUG_REMOVE) { 10992 Slog.d(TAG, " user " + allUserHandles[i] 10993 + " => " + perUserInstalled[i]); 10994 } 10995 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10996 } 10997 // Regardless of writeSettings we need to ensure that this restriction 10998 // state propagation is persisted 10999 mSettings.writeAllUsersPackageRestrictionsLPr(); 11000 } 11001 // can downgrade to reader here 11002 if (writeSettings) { 11003 mSettings.writeLPr(); 11004 } 11005 } 11006 return true; 11007 } 11008 11009 private boolean deleteInstalledPackageLI(PackageSetting ps, 11010 boolean deleteCodeAndResources, int flags, 11011 int[] allUserHandles, boolean[] perUserInstalled, 11012 PackageRemovedInfo outInfo, boolean writeSettings) { 11013 if (outInfo != null) { 11014 outInfo.uid = ps.appId; 11015 } 11016 11017 // Delete package data from internal structures and also remove data if flag is set 11018 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11019 11020 // Delete application code and resources 11021 if (deleteCodeAndResources && (outInfo != null)) { 11022 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11023 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11024 getAppDexInstructionSets(ps)); 11025 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11026 } 11027 return true; 11028 } 11029 11030 @Override 11031 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11032 int userId) { 11033 mContext.enforceCallingOrSelfPermission( 11034 android.Manifest.permission.DELETE_PACKAGES, null); 11035 synchronized (mPackages) { 11036 PackageSetting ps = mSettings.mPackages.get(packageName); 11037 if (ps == null) { 11038 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11039 return false; 11040 } 11041 if (!ps.getInstalled(userId)) { 11042 // Can't block uninstall for an app that is not installed or enabled. 11043 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11044 return false; 11045 } 11046 ps.setBlockUninstall(blockUninstall, userId); 11047 mSettings.writePackageRestrictionsLPr(userId); 11048 } 11049 return true; 11050 } 11051 11052 @Override 11053 public boolean getBlockUninstallForUser(String packageName, int userId) { 11054 synchronized (mPackages) { 11055 PackageSetting ps = mSettings.mPackages.get(packageName); 11056 if (ps == null) { 11057 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11058 return false; 11059 } 11060 return ps.getBlockUninstall(userId); 11061 } 11062 } 11063 11064 /* 11065 * This method handles package deletion in general 11066 */ 11067 private boolean deletePackageLI(String packageName, UserHandle user, 11068 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11069 int flags, PackageRemovedInfo outInfo, 11070 boolean writeSettings) { 11071 if (packageName == null) { 11072 Slog.w(TAG, "Attempt to delete null packageName."); 11073 return false; 11074 } 11075 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11076 PackageSetting ps; 11077 boolean dataOnly = false; 11078 int removeUser = -1; 11079 int appId = -1; 11080 synchronized (mPackages) { 11081 ps = mSettings.mPackages.get(packageName); 11082 if (ps == null) { 11083 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11084 return false; 11085 } 11086 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11087 && user.getIdentifier() != UserHandle.USER_ALL) { 11088 // The caller is asking that the package only be deleted for a single 11089 // user. To do this, we just mark its uninstalled state and delete 11090 // its data. If this is a system app, we only allow this to happen if 11091 // they have set the special DELETE_SYSTEM_APP which requests different 11092 // semantics than normal for uninstalling system apps. 11093 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11094 ps.setUserState(user.getIdentifier(), 11095 COMPONENT_ENABLED_STATE_DEFAULT, 11096 false, //installed 11097 true, //stopped 11098 true, //notLaunched 11099 false, //hidden 11100 null, null, null, 11101 false // blockUninstall 11102 ); 11103 if (!isSystemApp(ps)) { 11104 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11105 // Other user still have this package installed, so all 11106 // we need to do is clear this user's data and save that 11107 // it is uninstalled. 11108 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11109 removeUser = user.getIdentifier(); 11110 appId = ps.appId; 11111 mSettings.writePackageRestrictionsLPr(removeUser); 11112 } else { 11113 // We need to set it back to 'installed' so the uninstall 11114 // broadcasts will be sent correctly. 11115 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11116 ps.setInstalled(true, user.getIdentifier()); 11117 } 11118 } else { 11119 // This is a system app, so we assume that the 11120 // other users still have this package installed, so all 11121 // we need to do is clear this user's data and save that 11122 // it is uninstalled. 11123 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11124 removeUser = user.getIdentifier(); 11125 appId = ps.appId; 11126 mSettings.writePackageRestrictionsLPr(removeUser); 11127 } 11128 } 11129 } 11130 11131 if (removeUser >= 0) { 11132 // From above, we determined that we are deleting this only 11133 // for a single user. Continue the work here. 11134 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11135 if (outInfo != null) { 11136 outInfo.removedPackage = packageName; 11137 outInfo.removedAppId = appId; 11138 outInfo.removedUsers = new int[] {removeUser}; 11139 } 11140 mInstaller.clearUserData(packageName, removeUser); 11141 removeKeystoreDataIfNeeded(removeUser, appId); 11142 schedulePackageCleaning(packageName, removeUser, false); 11143 return true; 11144 } 11145 11146 if (dataOnly) { 11147 // Delete application data first 11148 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11149 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11150 return true; 11151 } 11152 11153 boolean ret = false; 11154 if (isSystemApp(ps)) { 11155 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11156 // When an updated system application is deleted we delete the existing resources as well and 11157 // fall back to existing code in system partition 11158 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11159 flags, outInfo, writeSettings); 11160 } else { 11161 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11162 // Kill application pre-emptively especially for apps on sd. 11163 killApplication(packageName, ps.appId, "uninstall pkg"); 11164 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11165 allUserHandles, perUserInstalled, 11166 outInfo, writeSettings); 11167 } 11168 11169 return ret; 11170 } 11171 11172 private final class ClearStorageConnection implements ServiceConnection { 11173 IMediaContainerService mContainerService; 11174 11175 @Override 11176 public void onServiceConnected(ComponentName name, IBinder service) { 11177 synchronized (this) { 11178 mContainerService = IMediaContainerService.Stub.asInterface(service); 11179 notifyAll(); 11180 } 11181 } 11182 11183 @Override 11184 public void onServiceDisconnected(ComponentName name) { 11185 } 11186 } 11187 11188 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11189 final boolean mounted; 11190 if (Environment.isExternalStorageEmulated()) { 11191 mounted = true; 11192 } else { 11193 final String status = Environment.getExternalStorageState(); 11194 11195 mounted = status.equals(Environment.MEDIA_MOUNTED) 11196 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11197 } 11198 11199 if (!mounted) { 11200 return; 11201 } 11202 11203 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11204 int[] users; 11205 if (userId == UserHandle.USER_ALL) { 11206 users = sUserManager.getUserIds(); 11207 } else { 11208 users = new int[] { userId }; 11209 } 11210 final ClearStorageConnection conn = new ClearStorageConnection(); 11211 if (mContext.bindServiceAsUser( 11212 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11213 try { 11214 for (int curUser : users) { 11215 long timeout = SystemClock.uptimeMillis() + 5000; 11216 synchronized (conn) { 11217 long now = SystemClock.uptimeMillis(); 11218 while (conn.mContainerService == null && now < timeout) { 11219 try { 11220 conn.wait(timeout - now); 11221 } catch (InterruptedException e) { 11222 } 11223 } 11224 } 11225 if (conn.mContainerService == null) { 11226 return; 11227 } 11228 11229 final UserEnvironment userEnv = new UserEnvironment(curUser); 11230 clearDirectory(conn.mContainerService, 11231 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11232 if (allData) { 11233 clearDirectory(conn.mContainerService, 11234 userEnv.buildExternalStorageAppDataDirs(packageName)); 11235 clearDirectory(conn.mContainerService, 11236 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11237 } 11238 } 11239 } finally { 11240 mContext.unbindService(conn); 11241 } 11242 } 11243 } 11244 11245 @Override 11246 public void clearApplicationUserData(final String packageName, 11247 final IPackageDataObserver observer, final int userId) { 11248 mContext.enforceCallingOrSelfPermission( 11249 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11250 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11251 // Queue up an async operation since the package deletion may take a little while. 11252 mHandler.post(new Runnable() { 11253 public void run() { 11254 mHandler.removeCallbacks(this); 11255 final boolean succeeded; 11256 synchronized (mInstallLock) { 11257 succeeded = clearApplicationUserDataLI(packageName, userId); 11258 } 11259 clearExternalStorageDataSync(packageName, userId, true); 11260 if (succeeded) { 11261 // invoke DeviceStorageMonitor's update method to clear any notifications 11262 DeviceStorageMonitorInternal 11263 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11264 if (dsm != null) { 11265 dsm.checkMemory(); 11266 } 11267 } 11268 if(observer != null) { 11269 try { 11270 observer.onRemoveCompleted(packageName, succeeded); 11271 } catch (RemoteException e) { 11272 Log.i(TAG, "Observer no longer exists."); 11273 } 11274 } //end if observer 11275 } //end run 11276 }); 11277 } 11278 11279 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11280 if (packageName == null) { 11281 Slog.w(TAG, "Attempt to delete null packageName."); 11282 return false; 11283 } 11284 11285 // Try finding details about the requested package 11286 PackageParser.Package pkg; 11287 synchronized (mPackages) { 11288 pkg = mPackages.get(packageName); 11289 if (pkg == null) { 11290 final PackageSetting ps = mSettings.mPackages.get(packageName); 11291 if (ps != null) { 11292 pkg = ps.pkg; 11293 } 11294 } 11295 } 11296 11297 if (pkg == null) { 11298 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11299 } 11300 11301 // Always delete data directories for package, even if we found no other 11302 // record of app. This helps users recover from UID mismatches without 11303 // resorting to a full data wipe. 11304 int retCode = mInstaller.clearUserData(packageName, userId); 11305 if (retCode < 0) { 11306 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11307 return false; 11308 } 11309 11310 if (pkg == null) { 11311 return false; 11312 } 11313 11314 if (pkg != null && pkg.applicationInfo != null) { 11315 final int appId = pkg.applicationInfo.uid; 11316 removeKeystoreDataIfNeeded(userId, appId); 11317 } 11318 11319 // Create a native library symlink only if we have native libraries 11320 // and if the native libraries are 32 bit libraries. We do not provide 11321 // this symlink for 64 bit libraries. 11322 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11323 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11324 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11325 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11326 Slog.w(TAG, "Failed linking native library dir"); 11327 return false; 11328 } 11329 } 11330 11331 return true; 11332 } 11333 11334 /** 11335 * Remove entries from the keystore daemon. Will only remove it if the 11336 * {@code appId} is valid. 11337 */ 11338 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11339 if (appId < 0) { 11340 return; 11341 } 11342 11343 final KeyStore keyStore = KeyStore.getInstance(); 11344 if (keyStore != null) { 11345 if (userId == UserHandle.USER_ALL) { 11346 for (final int individual : sUserManager.getUserIds()) { 11347 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11348 } 11349 } else { 11350 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11351 } 11352 } else { 11353 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11354 } 11355 } 11356 11357 @Override 11358 public void deleteApplicationCacheFiles(final String packageName, 11359 final IPackageDataObserver observer) { 11360 mContext.enforceCallingOrSelfPermission( 11361 android.Manifest.permission.DELETE_CACHE_FILES, null); 11362 // Queue up an async operation since the package deletion may take a little while. 11363 final int userId = UserHandle.getCallingUserId(); 11364 mHandler.post(new Runnable() { 11365 public void run() { 11366 mHandler.removeCallbacks(this); 11367 final boolean succeded; 11368 synchronized (mInstallLock) { 11369 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11370 } 11371 clearExternalStorageDataSync(packageName, userId, false); 11372 if(observer != null) { 11373 try { 11374 observer.onRemoveCompleted(packageName, succeded); 11375 } catch (RemoteException e) { 11376 Log.i(TAG, "Observer no longer exists."); 11377 } 11378 } //end if observer 11379 } //end run 11380 }); 11381 } 11382 11383 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11384 if (packageName == null) { 11385 Slog.w(TAG, "Attempt to delete null packageName."); 11386 return false; 11387 } 11388 PackageParser.Package p; 11389 synchronized (mPackages) { 11390 p = mPackages.get(packageName); 11391 } 11392 if (p == null) { 11393 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11394 return false; 11395 } 11396 final ApplicationInfo applicationInfo = p.applicationInfo; 11397 if (applicationInfo == null) { 11398 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11399 return false; 11400 } 11401 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11402 if (retCode < 0) { 11403 Slog.w(TAG, "Couldn't remove cache files for package: " 11404 + packageName + " u" + userId); 11405 return false; 11406 } 11407 return true; 11408 } 11409 11410 @Override 11411 public void getPackageSizeInfo(final String packageName, int userHandle, 11412 final IPackageStatsObserver observer) { 11413 mContext.enforceCallingOrSelfPermission( 11414 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11415 if (packageName == null) { 11416 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11417 } 11418 11419 PackageStats stats = new PackageStats(packageName, userHandle); 11420 11421 /* 11422 * Queue up an async operation since the package measurement may take a 11423 * little while. 11424 */ 11425 Message msg = mHandler.obtainMessage(INIT_COPY); 11426 msg.obj = new MeasureParams(stats, observer); 11427 mHandler.sendMessage(msg); 11428 } 11429 11430 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11431 PackageStats pStats) { 11432 if (packageName == null) { 11433 Slog.w(TAG, "Attempt to get size of null packageName."); 11434 return false; 11435 } 11436 PackageParser.Package p; 11437 boolean dataOnly = false; 11438 String libDirRoot = null; 11439 String asecPath = null; 11440 PackageSetting ps = null; 11441 synchronized (mPackages) { 11442 p = mPackages.get(packageName); 11443 ps = mSettings.mPackages.get(packageName); 11444 if(p == null) { 11445 dataOnly = true; 11446 if((ps == null) || (ps.pkg == null)) { 11447 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11448 return false; 11449 } 11450 p = ps.pkg; 11451 } 11452 if (ps != null) { 11453 libDirRoot = ps.legacyNativeLibraryPathString; 11454 } 11455 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11456 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11457 if (secureContainerId != null) { 11458 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11459 } 11460 } 11461 } 11462 String publicSrcDir = null; 11463 if(!dataOnly) { 11464 final ApplicationInfo applicationInfo = p.applicationInfo; 11465 if (applicationInfo == null) { 11466 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11467 return false; 11468 } 11469 if (isForwardLocked(p)) { 11470 publicSrcDir = applicationInfo.getBaseResourcePath(); 11471 } 11472 } 11473 // TODO: extend to measure size of split APKs 11474 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11475 // not just the first level. 11476 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11477 // just the primary. 11478 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11479 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11480 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11481 if (res < 0) { 11482 return false; 11483 } 11484 11485 // Fix-up for forward-locked applications in ASEC containers. 11486 if (!isExternal(p)) { 11487 pStats.codeSize += pStats.externalCodeSize; 11488 pStats.externalCodeSize = 0L; 11489 } 11490 11491 return true; 11492 } 11493 11494 11495 @Override 11496 public void addPackageToPreferred(String packageName) { 11497 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11498 } 11499 11500 @Override 11501 public void removePackageFromPreferred(String packageName) { 11502 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11503 } 11504 11505 @Override 11506 public List<PackageInfo> getPreferredPackages(int flags) { 11507 return new ArrayList<PackageInfo>(); 11508 } 11509 11510 private int getUidTargetSdkVersionLockedLPr(int uid) { 11511 Object obj = mSettings.getUserIdLPr(uid); 11512 if (obj instanceof SharedUserSetting) { 11513 final SharedUserSetting sus = (SharedUserSetting) obj; 11514 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11515 final Iterator<PackageSetting> it = sus.packages.iterator(); 11516 while (it.hasNext()) { 11517 final PackageSetting ps = it.next(); 11518 if (ps.pkg != null) { 11519 int v = ps.pkg.applicationInfo.targetSdkVersion; 11520 if (v < vers) vers = v; 11521 } 11522 } 11523 return vers; 11524 } else if (obj instanceof PackageSetting) { 11525 final PackageSetting ps = (PackageSetting) obj; 11526 if (ps.pkg != null) { 11527 return ps.pkg.applicationInfo.targetSdkVersion; 11528 } 11529 } 11530 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11531 } 11532 11533 @Override 11534 public void addPreferredActivity(IntentFilter filter, int match, 11535 ComponentName[] set, ComponentName activity, int userId) { 11536 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11537 "Adding preferred"); 11538 } 11539 11540 private void addPreferredActivityInternal(IntentFilter filter, int match, 11541 ComponentName[] set, ComponentName activity, boolean always, int userId, 11542 String opname) { 11543 // writer 11544 int callingUid = Binder.getCallingUid(); 11545 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11546 if (filter.countActions() == 0) { 11547 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11548 return; 11549 } 11550 synchronized (mPackages) { 11551 if (mContext.checkCallingOrSelfPermission( 11552 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11553 != PackageManager.PERMISSION_GRANTED) { 11554 if (getUidTargetSdkVersionLockedLPr(callingUid) 11555 < Build.VERSION_CODES.FROYO) { 11556 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11557 + callingUid); 11558 return; 11559 } 11560 mContext.enforceCallingOrSelfPermission( 11561 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11562 } 11563 11564 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11565 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11566 + userId + ":"); 11567 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11568 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11569 scheduleWritePackageRestrictionsLocked(userId); 11570 } 11571 } 11572 11573 @Override 11574 public void replacePreferredActivity(IntentFilter filter, int match, 11575 ComponentName[] set, ComponentName activity, int userId) { 11576 if (filter.countActions() != 1) { 11577 throw new IllegalArgumentException( 11578 "replacePreferredActivity expects filter to have only 1 action."); 11579 } 11580 if (filter.countDataAuthorities() != 0 11581 || filter.countDataPaths() != 0 11582 || filter.countDataSchemes() > 1 11583 || filter.countDataTypes() != 0) { 11584 throw new IllegalArgumentException( 11585 "replacePreferredActivity expects filter to have no data authorities, " + 11586 "paths, or types; and at most one scheme."); 11587 } 11588 11589 final int callingUid = Binder.getCallingUid(); 11590 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11591 synchronized (mPackages) { 11592 if (mContext.checkCallingOrSelfPermission( 11593 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11594 != PackageManager.PERMISSION_GRANTED) { 11595 if (getUidTargetSdkVersionLockedLPr(callingUid) 11596 < Build.VERSION_CODES.FROYO) { 11597 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11598 + Binder.getCallingUid()); 11599 return; 11600 } 11601 mContext.enforceCallingOrSelfPermission( 11602 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11603 } 11604 11605 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11606 if (pir != null) { 11607 // Get all of the existing entries that exactly match this filter. 11608 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11609 if (existing != null && existing.size() == 1) { 11610 PreferredActivity cur = existing.get(0); 11611 if (DEBUG_PREFERRED) { 11612 Slog.i(TAG, "Checking replace of preferred:"); 11613 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11614 if (!cur.mPref.mAlways) { 11615 Slog.i(TAG, " -- CUR; not mAlways!"); 11616 } else { 11617 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11618 Slog.i(TAG, " -- CUR: mSet=" 11619 + Arrays.toString(cur.mPref.mSetComponents)); 11620 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11621 Slog.i(TAG, " -- NEW: mMatch=" 11622 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11623 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11624 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11625 } 11626 } 11627 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11628 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11629 && cur.mPref.sameSet(set)) { 11630 // Setting the preferred activity to what it happens to be already 11631 if (DEBUG_PREFERRED) { 11632 Slog.i(TAG, "Replacing with same preferred activity " 11633 + cur.mPref.mShortComponent + " for user " 11634 + userId + ":"); 11635 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11636 } 11637 return; 11638 } 11639 } 11640 11641 if (existing != null) { 11642 if (DEBUG_PREFERRED) { 11643 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11644 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11645 } 11646 for (int i = 0; i < existing.size(); i++) { 11647 PreferredActivity pa = existing.get(i); 11648 if (DEBUG_PREFERRED) { 11649 Slog.i(TAG, "Removing existing preferred activity " 11650 + pa.mPref.mComponent + ":"); 11651 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11652 } 11653 pir.removeFilter(pa); 11654 } 11655 } 11656 } 11657 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11658 "Replacing preferred"); 11659 } 11660 } 11661 11662 @Override 11663 public void clearPackagePreferredActivities(String packageName) { 11664 final int uid = Binder.getCallingUid(); 11665 // writer 11666 synchronized (mPackages) { 11667 PackageParser.Package pkg = mPackages.get(packageName); 11668 if (pkg == null || pkg.applicationInfo.uid != uid) { 11669 if (mContext.checkCallingOrSelfPermission( 11670 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11671 != PackageManager.PERMISSION_GRANTED) { 11672 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11673 < Build.VERSION_CODES.FROYO) { 11674 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11675 + Binder.getCallingUid()); 11676 return; 11677 } 11678 mContext.enforceCallingOrSelfPermission( 11679 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11680 } 11681 } 11682 11683 int user = UserHandle.getCallingUserId(); 11684 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11685 scheduleWritePackageRestrictionsLocked(user); 11686 } 11687 } 11688 } 11689 11690 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11691 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11692 ArrayList<PreferredActivity> removed = null; 11693 boolean changed = false; 11694 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11695 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11696 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11697 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11698 continue; 11699 } 11700 Iterator<PreferredActivity> it = pir.filterIterator(); 11701 while (it.hasNext()) { 11702 PreferredActivity pa = it.next(); 11703 // Mark entry for removal only if it matches the package name 11704 // and the entry is of type "always". 11705 if (packageName == null || 11706 (pa.mPref.mComponent.getPackageName().equals(packageName) 11707 && pa.mPref.mAlways)) { 11708 if (removed == null) { 11709 removed = new ArrayList<PreferredActivity>(); 11710 } 11711 removed.add(pa); 11712 } 11713 } 11714 if (removed != null) { 11715 for (int j=0; j<removed.size(); j++) { 11716 PreferredActivity pa = removed.get(j); 11717 pir.removeFilter(pa); 11718 } 11719 changed = true; 11720 } 11721 } 11722 return changed; 11723 } 11724 11725 @Override 11726 public void resetPreferredActivities(int userId) { 11727 /* TODO: Actually use userId. Why is it being passed in? */ 11728 mContext.enforceCallingOrSelfPermission( 11729 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11730 // writer 11731 synchronized (mPackages) { 11732 int user = UserHandle.getCallingUserId(); 11733 clearPackagePreferredActivitiesLPw(null, user); 11734 mSettings.readDefaultPreferredAppsLPw(this, user); 11735 scheduleWritePackageRestrictionsLocked(user); 11736 } 11737 } 11738 11739 @Override 11740 public int getPreferredActivities(List<IntentFilter> outFilters, 11741 List<ComponentName> outActivities, String packageName) { 11742 11743 int num = 0; 11744 final int userId = UserHandle.getCallingUserId(); 11745 // reader 11746 synchronized (mPackages) { 11747 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11748 if (pir != null) { 11749 final Iterator<PreferredActivity> it = pir.filterIterator(); 11750 while (it.hasNext()) { 11751 final PreferredActivity pa = it.next(); 11752 if (packageName == null 11753 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11754 && pa.mPref.mAlways)) { 11755 if (outFilters != null) { 11756 outFilters.add(new IntentFilter(pa)); 11757 } 11758 if (outActivities != null) { 11759 outActivities.add(pa.mPref.mComponent); 11760 } 11761 } 11762 } 11763 } 11764 } 11765 11766 return num; 11767 } 11768 11769 @Override 11770 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11771 int userId) { 11772 int callingUid = Binder.getCallingUid(); 11773 if (callingUid != Process.SYSTEM_UID) { 11774 throw new SecurityException( 11775 "addPersistentPreferredActivity can only be run by the system"); 11776 } 11777 if (filter.countActions() == 0) { 11778 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11779 return; 11780 } 11781 synchronized (mPackages) { 11782 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11783 " :"); 11784 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11785 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11786 new PersistentPreferredActivity(filter, activity)); 11787 scheduleWritePackageRestrictionsLocked(userId); 11788 } 11789 } 11790 11791 @Override 11792 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11793 int callingUid = Binder.getCallingUid(); 11794 if (callingUid != Process.SYSTEM_UID) { 11795 throw new SecurityException( 11796 "clearPackagePersistentPreferredActivities can only be run by the system"); 11797 } 11798 ArrayList<PersistentPreferredActivity> removed = null; 11799 boolean changed = false; 11800 synchronized (mPackages) { 11801 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11802 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11803 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11804 .valueAt(i); 11805 if (userId != thisUserId) { 11806 continue; 11807 } 11808 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11809 while (it.hasNext()) { 11810 PersistentPreferredActivity ppa = it.next(); 11811 // Mark entry for removal only if it matches the package name. 11812 if (ppa.mComponent.getPackageName().equals(packageName)) { 11813 if (removed == null) { 11814 removed = new ArrayList<PersistentPreferredActivity>(); 11815 } 11816 removed.add(ppa); 11817 } 11818 } 11819 if (removed != null) { 11820 for (int j=0; j<removed.size(); j++) { 11821 PersistentPreferredActivity ppa = removed.get(j); 11822 ppir.removeFilter(ppa); 11823 } 11824 changed = true; 11825 } 11826 } 11827 11828 if (changed) { 11829 scheduleWritePackageRestrictionsLocked(userId); 11830 } 11831 } 11832 } 11833 11834 @Override 11835 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11836 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11837 mContext.enforceCallingOrSelfPermission( 11838 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11839 int callingUid = Binder.getCallingUid(); 11840 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11841 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11842 if (intentFilter.countActions() == 0) { 11843 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11844 return; 11845 } 11846 synchronized (mPackages) { 11847 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11848 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11849 CrossProfileIntentResolver resolver = 11850 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11851 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 11852 // We have all those whose filter is equal. Now checking if the rest is equal as well. 11853 if (existing != null) { 11854 int size = existing.size(); 11855 for (int i = 0; i < size; i++) { 11856 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 11857 return; 11858 } 11859 } 11860 } 11861 resolver.addFilter(newFilter); 11862 scheduleWritePackageRestrictionsLocked(sourceUserId); 11863 } 11864 } 11865 11866 @Override 11867 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11868 int ownerUserId) { 11869 mContext.enforceCallingOrSelfPermission( 11870 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11871 int callingUid = Binder.getCallingUid(); 11872 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11873 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11874 int callingUserId = UserHandle.getUserId(callingUid); 11875 synchronized (mPackages) { 11876 CrossProfileIntentResolver resolver = 11877 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11878 ArraySet<CrossProfileIntentFilter> set = 11879 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11880 for (CrossProfileIntentFilter filter : set) { 11881 if (filter.getOwnerPackage().equals(ownerPackage) 11882 && filter.getOwnerUserId() == callingUserId) { 11883 resolver.removeFilter(filter); 11884 } 11885 } 11886 scheduleWritePackageRestrictionsLocked(sourceUserId); 11887 } 11888 } 11889 11890 // Enforcing that callingUid is owning pkg on userId 11891 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11892 // The system owns everything. 11893 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11894 return; 11895 } 11896 int callingUserId = UserHandle.getUserId(callingUid); 11897 if (callingUserId != userId) { 11898 throw new SecurityException("calling uid " + callingUid 11899 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11900 + callingUserId); 11901 } 11902 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11903 if (pi == null) { 11904 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11905 + callingUserId); 11906 } 11907 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11908 throw new SecurityException("Calling uid " + callingUid 11909 + " does not own package " + pkg); 11910 } 11911 } 11912 11913 @Override 11914 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11915 Intent intent = new Intent(Intent.ACTION_MAIN); 11916 intent.addCategory(Intent.CATEGORY_HOME); 11917 11918 final int callingUserId = UserHandle.getCallingUserId(); 11919 List<ResolveInfo> list = queryIntentActivities(intent, null, 11920 PackageManager.GET_META_DATA, callingUserId); 11921 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11922 true, false, false, callingUserId); 11923 11924 allHomeCandidates.clear(); 11925 if (list != null) { 11926 for (ResolveInfo ri : list) { 11927 allHomeCandidates.add(ri); 11928 } 11929 } 11930 return (preferred == null || preferred.activityInfo == null) 11931 ? null 11932 : new ComponentName(preferred.activityInfo.packageName, 11933 preferred.activityInfo.name); 11934 } 11935 11936 @Override 11937 public void setApplicationEnabledSetting(String appPackageName, 11938 int newState, int flags, int userId, String callingPackage) { 11939 if (!sUserManager.exists(userId)) return; 11940 if (callingPackage == null) { 11941 callingPackage = Integer.toString(Binder.getCallingUid()); 11942 } 11943 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11944 } 11945 11946 @Override 11947 public void setComponentEnabledSetting(ComponentName componentName, 11948 int newState, int flags, int userId) { 11949 if (!sUserManager.exists(userId)) return; 11950 setEnabledSetting(componentName.getPackageName(), 11951 componentName.getClassName(), newState, flags, userId, null); 11952 } 11953 11954 private void setEnabledSetting(final String packageName, String className, int newState, 11955 final int flags, int userId, String callingPackage) { 11956 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11957 || newState == COMPONENT_ENABLED_STATE_ENABLED 11958 || newState == COMPONENT_ENABLED_STATE_DISABLED 11959 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11960 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11961 throw new IllegalArgumentException("Invalid new component state: " 11962 + newState); 11963 } 11964 PackageSetting pkgSetting; 11965 final int uid = Binder.getCallingUid(); 11966 final int permission = mContext.checkCallingOrSelfPermission( 11967 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11968 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11969 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11970 boolean sendNow = false; 11971 boolean isApp = (className == null); 11972 String componentName = isApp ? packageName : className; 11973 int packageUid = -1; 11974 ArrayList<String> components; 11975 11976 // writer 11977 synchronized (mPackages) { 11978 pkgSetting = mSettings.mPackages.get(packageName); 11979 if (pkgSetting == null) { 11980 if (className == null) { 11981 throw new IllegalArgumentException( 11982 "Unknown package: " + packageName); 11983 } 11984 throw new IllegalArgumentException( 11985 "Unknown component: " + packageName 11986 + "/" + className); 11987 } 11988 // Allow root and verify that userId is not being specified by a different user 11989 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11990 throw new SecurityException( 11991 "Permission Denial: attempt to change component state from pid=" 11992 + Binder.getCallingPid() 11993 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11994 } 11995 if (className == null) { 11996 // We're dealing with an application/package level state change 11997 if (pkgSetting.getEnabled(userId) == newState) { 11998 // Nothing to do 11999 return; 12000 } 12001 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12002 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12003 // Don't care about who enables an app. 12004 callingPackage = null; 12005 } 12006 pkgSetting.setEnabled(newState, userId, callingPackage); 12007 // pkgSetting.pkg.mSetEnabled = newState; 12008 } else { 12009 // We're dealing with a component level state change 12010 // First, verify that this is a valid class name. 12011 PackageParser.Package pkg = pkgSetting.pkg; 12012 if (pkg == null || !pkg.hasComponentClassName(className)) { 12013 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12014 throw new IllegalArgumentException("Component class " + className 12015 + " does not exist in " + packageName); 12016 } else { 12017 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12018 + className + " does not exist in " + packageName); 12019 } 12020 } 12021 switch (newState) { 12022 case COMPONENT_ENABLED_STATE_ENABLED: 12023 if (!pkgSetting.enableComponentLPw(className, userId)) { 12024 return; 12025 } 12026 break; 12027 case COMPONENT_ENABLED_STATE_DISABLED: 12028 if (!pkgSetting.disableComponentLPw(className, userId)) { 12029 return; 12030 } 12031 break; 12032 case COMPONENT_ENABLED_STATE_DEFAULT: 12033 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12034 return; 12035 } 12036 break; 12037 default: 12038 Slog.e(TAG, "Invalid new component state: " + newState); 12039 return; 12040 } 12041 } 12042 mSettings.writePackageRestrictionsLPr(userId); 12043 components = mPendingBroadcasts.get(userId, packageName); 12044 final boolean newPackage = components == null; 12045 if (newPackage) { 12046 components = new ArrayList<String>(); 12047 } 12048 if (!components.contains(componentName)) { 12049 components.add(componentName); 12050 } 12051 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12052 sendNow = true; 12053 // Purge entry from pending broadcast list if another one exists already 12054 // since we are sending one right away. 12055 mPendingBroadcasts.remove(userId, packageName); 12056 } else { 12057 if (newPackage) { 12058 mPendingBroadcasts.put(userId, packageName, components); 12059 } 12060 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12061 // Schedule a message 12062 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12063 } 12064 } 12065 } 12066 12067 long callingId = Binder.clearCallingIdentity(); 12068 try { 12069 if (sendNow) { 12070 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12071 sendPackageChangedBroadcast(packageName, 12072 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12073 } 12074 } finally { 12075 Binder.restoreCallingIdentity(callingId); 12076 } 12077 } 12078 12079 private void sendPackageChangedBroadcast(String packageName, 12080 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12081 if (DEBUG_INSTALL) 12082 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12083 + componentNames); 12084 Bundle extras = new Bundle(4); 12085 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12086 String nameList[] = new String[componentNames.size()]; 12087 componentNames.toArray(nameList); 12088 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12089 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12090 extras.putInt(Intent.EXTRA_UID, packageUid); 12091 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12092 new int[] {UserHandle.getUserId(packageUid)}); 12093 } 12094 12095 @Override 12096 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12097 if (!sUserManager.exists(userId)) return; 12098 final int uid = Binder.getCallingUid(); 12099 final int permission = mContext.checkCallingOrSelfPermission( 12100 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12101 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12102 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12103 // writer 12104 synchronized (mPackages) { 12105 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12106 uid, userId)) { 12107 scheduleWritePackageRestrictionsLocked(userId); 12108 } 12109 } 12110 } 12111 12112 @Override 12113 public String getInstallerPackageName(String packageName) { 12114 // reader 12115 synchronized (mPackages) { 12116 return mSettings.getInstallerPackageNameLPr(packageName); 12117 } 12118 } 12119 12120 @Override 12121 public int getApplicationEnabledSetting(String packageName, int userId) { 12122 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12123 int uid = Binder.getCallingUid(); 12124 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12125 // reader 12126 synchronized (mPackages) { 12127 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12128 } 12129 } 12130 12131 @Override 12132 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12133 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12134 int uid = Binder.getCallingUid(); 12135 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12136 // reader 12137 synchronized (mPackages) { 12138 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12139 } 12140 } 12141 12142 @Override 12143 public void enterSafeMode() { 12144 enforceSystemOrRoot("Only the system can request entering safe mode"); 12145 12146 if (!mSystemReady) { 12147 mSafeMode = true; 12148 } 12149 } 12150 12151 @Override 12152 public void systemReady() { 12153 mSystemReady = true; 12154 12155 // Read the compatibilty setting when the system is ready. 12156 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12157 mContext.getContentResolver(), 12158 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12159 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12160 if (DEBUG_SETTINGS) { 12161 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12162 } 12163 12164 synchronized (mPackages) { 12165 // Verify that all of the preferred activity components actually 12166 // exist. It is possible for applications to be updated and at 12167 // that point remove a previously declared activity component that 12168 // had been set as a preferred activity. We try to clean this up 12169 // the next time we encounter that preferred activity, but it is 12170 // possible for the user flow to never be able to return to that 12171 // situation so here we do a sanity check to make sure we haven't 12172 // left any junk around. 12173 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12174 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12175 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12176 removed.clear(); 12177 for (PreferredActivity pa : pir.filterSet()) { 12178 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12179 removed.add(pa); 12180 } 12181 } 12182 if (removed.size() > 0) { 12183 for (int r=0; r<removed.size(); r++) { 12184 PreferredActivity pa = removed.get(r); 12185 Slog.w(TAG, "Removing dangling preferred activity: " 12186 + pa.mPref.mComponent); 12187 pir.removeFilter(pa); 12188 } 12189 mSettings.writePackageRestrictionsLPr( 12190 mSettings.mPreferredActivities.keyAt(i)); 12191 } 12192 } 12193 } 12194 sUserManager.systemReady(); 12195 12196 // Kick off any messages waiting for system ready 12197 if (mPostSystemReadyMessages != null) { 12198 for (Message msg : mPostSystemReadyMessages) { 12199 msg.sendToTarget(); 12200 } 12201 mPostSystemReadyMessages = null; 12202 } 12203 } 12204 12205 @Override 12206 public boolean isSafeMode() { 12207 return mSafeMode; 12208 } 12209 12210 @Override 12211 public boolean hasSystemUidErrors() { 12212 return mHasSystemUidErrors; 12213 } 12214 12215 static String arrayToString(int[] array) { 12216 StringBuffer buf = new StringBuffer(128); 12217 buf.append('['); 12218 if (array != null) { 12219 for (int i=0; i<array.length; i++) { 12220 if (i > 0) buf.append(", "); 12221 buf.append(array[i]); 12222 } 12223 } 12224 buf.append(']'); 12225 return buf.toString(); 12226 } 12227 12228 static class DumpState { 12229 public static final int DUMP_LIBS = 1 << 0; 12230 public static final int DUMP_FEATURES = 1 << 1; 12231 public static final int DUMP_RESOLVERS = 1 << 2; 12232 public static final int DUMP_PERMISSIONS = 1 << 3; 12233 public static final int DUMP_PACKAGES = 1 << 4; 12234 public static final int DUMP_SHARED_USERS = 1 << 5; 12235 public static final int DUMP_MESSAGES = 1 << 6; 12236 public static final int DUMP_PROVIDERS = 1 << 7; 12237 public static final int DUMP_VERIFIERS = 1 << 8; 12238 public static final int DUMP_PREFERRED = 1 << 9; 12239 public static final int DUMP_PREFERRED_XML = 1 << 10; 12240 public static final int DUMP_KEYSETS = 1 << 11; 12241 public static final int DUMP_VERSION = 1 << 12; 12242 public static final int DUMP_INSTALLS = 1 << 13; 12243 12244 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12245 12246 private int mTypes; 12247 12248 private int mOptions; 12249 12250 private boolean mTitlePrinted; 12251 12252 private SharedUserSetting mSharedUser; 12253 12254 public boolean isDumping(int type) { 12255 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12256 return true; 12257 } 12258 12259 return (mTypes & type) != 0; 12260 } 12261 12262 public void setDump(int type) { 12263 mTypes |= type; 12264 } 12265 12266 public boolean isOptionEnabled(int option) { 12267 return (mOptions & option) != 0; 12268 } 12269 12270 public void setOptionEnabled(int option) { 12271 mOptions |= option; 12272 } 12273 12274 public boolean onTitlePrinted() { 12275 final boolean printed = mTitlePrinted; 12276 mTitlePrinted = true; 12277 return printed; 12278 } 12279 12280 public boolean getTitlePrinted() { 12281 return mTitlePrinted; 12282 } 12283 12284 public void setTitlePrinted(boolean enabled) { 12285 mTitlePrinted = enabled; 12286 } 12287 12288 public SharedUserSetting getSharedUser() { 12289 return mSharedUser; 12290 } 12291 12292 public void setSharedUser(SharedUserSetting user) { 12293 mSharedUser = user; 12294 } 12295 } 12296 12297 @Override 12298 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12299 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12300 != PackageManager.PERMISSION_GRANTED) { 12301 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12302 + Binder.getCallingPid() 12303 + ", uid=" + Binder.getCallingUid() 12304 + " without permission " 12305 + android.Manifest.permission.DUMP); 12306 return; 12307 } 12308 12309 DumpState dumpState = new DumpState(); 12310 boolean fullPreferred = false; 12311 boolean checkin = false; 12312 12313 String packageName = null; 12314 12315 int opti = 0; 12316 while (opti < args.length) { 12317 String opt = args[opti]; 12318 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12319 break; 12320 } 12321 opti++; 12322 12323 if ("-a".equals(opt)) { 12324 // Right now we only know how to print all. 12325 } else if ("-h".equals(opt)) { 12326 pw.println("Package manager dump options:"); 12327 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12328 pw.println(" --checkin: dump for a checkin"); 12329 pw.println(" -f: print details of intent filters"); 12330 pw.println(" -h: print this help"); 12331 pw.println(" cmd may be one of:"); 12332 pw.println(" l[ibraries]: list known shared libraries"); 12333 pw.println(" f[ibraries]: list device features"); 12334 pw.println(" k[eysets]: print known keysets"); 12335 pw.println(" r[esolvers]: dump intent resolvers"); 12336 pw.println(" perm[issions]: dump permissions"); 12337 pw.println(" pref[erred]: print preferred package settings"); 12338 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12339 pw.println(" prov[iders]: dump content providers"); 12340 pw.println(" p[ackages]: dump installed packages"); 12341 pw.println(" s[hared-users]: dump shared user IDs"); 12342 pw.println(" m[essages]: print collected runtime messages"); 12343 pw.println(" v[erifiers]: print package verifier info"); 12344 pw.println(" version: print database version info"); 12345 pw.println(" write: write current settings now"); 12346 pw.println(" <package.name>: info about given package"); 12347 pw.println(" installs: details about install sessions"); 12348 return; 12349 } else if ("--checkin".equals(opt)) { 12350 checkin = true; 12351 } else if ("-f".equals(opt)) { 12352 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12353 } else { 12354 pw.println("Unknown argument: " + opt + "; use -h for help"); 12355 } 12356 } 12357 12358 // Is the caller requesting to dump a particular piece of data? 12359 if (opti < args.length) { 12360 String cmd = args[opti]; 12361 opti++; 12362 // Is this a package name? 12363 if ("android".equals(cmd) || cmd.contains(".")) { 12364 packageName = cmd; 12365 // When dumping a single package, we always dump all of its 12366 // filter information since the amount of data will be reasonable. 12367 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12368 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12369 dumpState.setDump(DumpState.DUMP_LIBS); 12370 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12371 dumpState.setDump(DumpState.DUMP_FEATURES); 12372 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12373 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12374 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12375 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12376 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12377 dumpState.setDump(DumpState.DUMP_PREFERRED); 12378 } else if ("preferred-xml".equals(cmd)) { 12379 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12380 if (opti < args.length && "--full".equals(args[opti])) { 12381 fullPreferred = true; 12382 opti++; 12383 } 12384 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12385 dumpState.setDump(DumpState.DUMP_PACKAGES); 12386 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12387 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12388 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12389 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12390 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12391 dumpState.setDump(DumpState.DUMP_MESSAGES); 12392 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12393 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12394 } else if ("version".equals(cmd)) { 12395 dumpState.setDump(DumpState.DUMP_VERSION); 12396 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12397 dumpState.setDump(DumpState.DUMP_KEYSETS); 12398 } else if ("installs".equals(cmd)) { 12399 dumpState.setDump(DumpState.DUMP_INSTALLS); 12400 } else if ("write".equals(cmd)) { 12401 synchronized (mPackages) { 12402 mSettings.writeLPr(); 12403 pw.println("Settings written."); 12404 return; 12405 } 12406 } 12407 } 12408 12409 if (checkin) { 12410 pw.println("vers,1"); 12411 } 12412 12413 // reader 12414 synchronized (mPackages) { 12415 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12416 if (!checkin) { 12417 if (dumpState.onTitlePrinted()) 12418 pw.println(); 12419 pw.println("Database versions:"); 12420 pw.print(" SDK Version:"); 12421 pw.print(" internal="); 12422 pw.print(mSettings.mInternalSdkPlatform); 12423 pw.print(" external="); 12424 pw.println(mSettings.mExternalSdkPlatform); 12425 pw.print(" DB Version:"); 12426 pw.print(" internal="); 12427 pw.print(mSettings.mInternalDatabaseVersion); 12428 pw.print(" external="); 12429 pw.println(mSettings.mExternalDatabaseVersion); 12430 } 12431 } 12432 12433 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12434 if (!checkin) { 12435 if (dumpState.onTitlePrinted()) 12436 pw.println(); 12437 pw.println("Verifiers:"); 12438 pw.print(" Required: "); 12439 pw.print(mRequiredVerifierPackage); 12440 pw.print(" (uid="); 12441 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12442 pw.println(")"); 12443 } else if (mRequiredVerifierPackage != null) { 12444 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12445 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12446 } 12447 } 12448 12449 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12450 boolean printedHeader = false; 12451 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12452 while (it.hasNext()) { 12453 String name = it.next(); 12454 SharedLibraryEntry ent = mSharedLibraries.get(name); 12455 if (!checkin) { 12456 if (!printedHeader) { 12457 if (dumpState.onTitlePrinted()) 12458 pw.println(); 12459 pw.println("Libraries:"); 12460 printedHeader = true; 12461 } 12462 pw.print(" "); 12463 } else { 12464 pw.print("lib,"); 12465 } 12466 pw.print(name); 12467 if (!checkin) { 12468 pw.print(" -> "); 12469 } 12470 if (ent.path != null) { 12471 if (!checkin) { 12472 pw.print("(jar) "); 12473 pw.print(ent.path); 12474 } else { 12475 pw.print(",jar,"); 12476 pw.print(ent.path); 12477 } 12478 } else { 12479 if (!checkin) { 12480 pw.print("(apk) "); 12481 pw.print(ent.apk); 12482 } else { 12483 pw.print(",apk,"); 12484 pw.print(ent.apk); 12485 } 12486 } 12487 pw.println(); 12488 } 12489 } 12490 12491 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12492 if (dumpState.onTitlePrinted()) 12493 pw.println(); 12494 if (!checkin) { 12495 pw.println("Features:"); 12496 } 12497 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12498 while (it.hasNext()) { 12499 String name = it.next(); 12500 if (!checkin) { 12501 pw.print(" "); 12502 } else { 12503 pw.print("feat,"); 12504 } 12505 pw.println(name); 12506 } 12507 } 12508 12509 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12510 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12511 : "Activity Resolver Table:", " ", packageName, 12512 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12513 dumpState.setTitlePrinted(true); 12514 } 12515 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12516 : "Receiver Resolver Table:", " ", packageName, 12517 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12518 dumpState.setTitlePrinted(true); 12519 } 12520 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12521 : "Service Resolver Table:", " ", packageName, 12522 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12523 dumpState.setTitlePrinted(true); 12524 } 12525 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12526 : "Provider Resolver Table:", " ", packageName, 12527 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12528 dumpState.setTitlePrinted(true); 12529 } 12530 } 12531 12532 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12533 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12534 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12535 int user = mSettings.mPreferredActivities.keyAt(i); 12536 if (pir.dump(pw, 12537 dumpState.getTitlePrinted() 12538 ? "\nPreferred Activities User " + user + ":" 12539 : "Preferred Activities User " + user + ":", " ", 12540 packageName, true)) { 12541 dumpState.setTitlePrinted(true); 12542 } 12543 } 12544 } 12545 12546 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12547 pw.flush(); 12548 FileOutputStream fout = new FileOutputStream(fd); 12549 BufferedOutputStream str = new BufferedOutputStream(fout); 12550 XmlSerializer serializer = new FastXmlSerializer(); 12551 try { 12552 serializer.setOutput(str, "utf-8"); 12553 serializer.startDocument(null, true); 12554 serializer.setFeature( 12555 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12556 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12557 serializer.endDocument(); 12558 serializer.flush(); 12559 } catch (IllegalArgumentException e) { 12560 pw.println("Failed writing: " + e); 12561 } catch (IllegalStateException e) { 12562 pw.println("Failed writing: " + e); 12563 } catch (IOException e) { 12564 pw.println("Failed writing: " + e); 12565 } 12566 } 12567 12568 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12569 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12570 if (packageName == null) { 12571 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12572 if (iperm == 0) { 12573 if (dumpState.onTitlePrinted()) 12574 pw.println(); 12575 pw.println("AppOp Permissions:"); 12576 } 12577 pw.print(" AppOp Permission "); 12578 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12579 pw.println(":"); 12580 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12581 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12582 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12583 } 12584 } 12585 } 12586 } 12587 12588 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12589 boolean printedSomething = false; 12590 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12591 if (packageName != null && !packageName.equals(p.info.packageName)) { 12592 continue; 12593 } 12594 if (!printedSomething) { 12595 if (dumpState.onTitlePrinted()) 12596 pw.println(); 12597 pw.println("Registered ContentProviders:"); 12598 printedSomething = true; 12599 } 12600 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12601 pw.print(" "); pw.println(p.toString()); 12602 } 12603 printedSomething = false; 12604 for (Map.Entry<String, PackageParser.Provider> entry : 12605 mProvidersByAuthority.entrySet()) { 12606 PackageParser.Provider p = entry.getValue(); 12607 if (packageName != null && !packageName.equals(p.info.packageName)) { 12608 continue; 12609 } 12610 if (!printedSomething) { 12611 if (dumpState.onTitlePrinted()) 12612 pw.println(); 12613 pw.println("ContentProvider Authorities:"); 12614 printedSomething = true; 12615 } 12616 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12617 pw.print(" "); pw.println(p.toString()); 12618 if (p.info != null && p.info.applicationInfo != null) { 12619 final String appInfo = p.info.applicationInfo.toString(); 12620 pw.print(" applicationInfo="); pw.println(appInfo); 12621 } 12622 } 12623 } 12624 12625 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12626 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12627 } 12628 12629 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12630 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12631 } 12632 12633 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12634 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12635 } 12636 12637 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12638 // XXX should handle packageName != null by dumping only install data that 12639 // the given package is involved with. 12640 if (dumpState.onTitlePrinted()) pw.println(); 12641 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12642 } 12643 12644 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12645 if (dumpState.onTitlePrinted()) pw.println(); 12646 mSettings.dumpReadMessagesLPr(pw, dumpState); 12647 12648 pw.println(); 12649 pw.println("Package warning messages:"); 12650 final File fname = getSettingsProblemFile(); 12651 FileInputStream in = null; 12652 try { 12653 in = new FileInputStream(fname); 12654 final int avail = in.available(); 12655 final byte[] data = new byte[avail]; 12656 in.read(data); 12657 pw.print(new String(data)); 12658 } catch (FileNotFoundException e) { 12659 } catch (IOException e) { 12660 } finally { 12661 if (in != null) { 12662 try { 12663 in.close(); 12664 } catch (IOException e) { 12665 } 12666 } 12667 } 12668 } 12669 12670 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12671 BufferedReader in = null; 12672 String line = null; 12673 try { 12674 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12675 while ((line = in.readLine()) != null) { 12676 pw.print("msg,"); 12677 pw.println(line); 12678 } 12679 } catch (IOException ignored) { 12680 } finally { 12681 IoUtils.closeQuietly(in); 12682 } 12683 } 12684 } 12685 } 12686 12687 // ------- apps on sdcard specific code ------- 12688 static final boolean DEBUG_SD_INSTALL = false; 12689 12690 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12691 12692 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12693 12694 private boolean mMediaMounted = false; 12695 12696 static String getEncryptKey() { 12697 try { 12698 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12699 SD_ENCRYPTION_KEYSTORE_NAME); 12700 if (sdEncKey == null) { 12701 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12702 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12703 if (sdEncKey == null) { 12704 Slog.e(TAG, "Failed to create encryption keys"); 12705 return null; 12706 } 12707 } 12708 return sdEncKey; 12709 } catch (NoSuchAlgorithmException nsae) { 12710 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12711 return null; 12712 } catch (IOException ioe) { 12713 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12714 return null; 12715 } 12716 } 12717 12718 /* 12719 * Update media status on PackageManager. 12720 */ 12721 @Override 12722 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12723 int callingUid = Binder.getCallingUid(); 12724 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12725 throw new SecurityException("Media status can only be updated by the system"); 12726 } 12727 // reader; this apparently protects mMediaMounted, but should probably 12728 // be a different lock in that case. 12729 synchronized (mPackages) { 12730 Log.i(TAG, "Updating external media status from " 12731 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12732 + (mediaStatus ? "mounted" : "unmounted")); 12733 if (DEBUG_SD_INSTALL) 12734 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12735 + ", mMediaMounted=" + mMediaMounted); 12736 if (mediaStatus == mMediaMounted) { 12737 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12738 : 0, -1); 12739 mHandler.sendMessage(msg); 12740 return; 12741 } 12742 mMediaMounted = mediaStatus; 12743 } 12744 // Queue up an async operation since the package installation may take a 12745 // little while. 12746 mHandler.post(new Runnable() { 12747 public void run() { 12748 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12749 } 12750 }); 12751 } 12752 12753 /** 12754 * Called by MountService when the initial ASECs to scan are available. 12755 * Should block until all the ASEC containers are finished being scanned. 12756 */ 12757 public void scanAvailableAsecs() { 12758 updateExternalMediaStatusInner(true, false, false); 12759 if (mShouldRestoreconData) { 12760 SELinuxMMAC.setRestoreconDone(); 12761 mShouldRestoreconData = false; 12762 } 12763 } 12764 12765 /* 12766 * Collect information of applications on external media, map them against 12767 * existing containers and update information based on current mount status. 12768 * Please note that we always have to report status if reportStatus has been 12769 * set to true especially when unloading packages. 12770 */ 12771 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12772 boolean externalStorage) { 12773 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12774 int[] uidArr = EmptyArray.INT; 12775 12776 final String[] list = PackageHelper.getSecureContainerList(); 12777 if (ArrayUtils.isEmpty(list)) { 12778 Log.i(TAG, "No secure containers found"); 12779 } else { 12780 // Process list of secure containers and categorize them 12781 // as active or stale based on their package internal state. 12782 12783 // reader 12784 synchronized (mPackages) { 12785 for (String cid : list) { 12786 // Leave stages untouched for now; installer service owns them 12787 if (PackageInstallerService.isStageName(cid)) continue; 12788 12789 if (DEBUG_SD_INSTALL) 12790 Log.i(TAG, "Processing container " + cid); 12791 String pkgName = getAsecPackageName(cid); 12792 if (pkgName == null) { 12793 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12794 continue; 12795 } 12796 if (DEBUG_SD_INSTALL) 12797 Log.i(TAG, "Looking for pkg : " + pkgName); 12798 12799 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12800 if (ps == null) { 12801 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12802 continue; 12803 } 12804 12805 /* 12806 * Skip packages that are not external if we're unmounting 12807 * external storage. 12808 */ 12809 if (externalStorage && !isMounted && !isExternal(ps)) { 12810 continue; 12811 } 12812 12813 final AsecInstallArgs args = new AsecInstallArgs(cid, 12814 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12815 // The package status is changed only if the code path 12816 // matches between settings and the container id. 12817 if (ps.codePathString != null 12818 && ps.codePathString.startsWith(args.getCodePath())) { 12819 if (DEBUG_SD_INSTALL) { 12820 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12821 + " at code path: " + ps.codePathString); 12822 } 12823 12824 // We do have a valid package installed on sdcard 12825 processCids.put(args, ps.codePathString); 12826 final int uid = ps.appId; 12827 if (uid != -1) { 12828 uidArr = ArrayUtils.appendInt(uidArr, uid); 12829 } 12830 } else { 12831 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12832 + ps.codePathString); 12833 } 12834 } 12835 } 12836 12837 Arrays.sort(uidArr); 12838 } 12839 12840 // Process packages with valid entries. 12841 if (isMounted) { 12842 if (DEBUG_SD_INSTALL) 12843 Log.i(TAG, "Loading packages"); 12844 loadMediaPackages(processCids, uidArr); 12845 startCleaningPackages(); 12846 mInstallerService.onSecureContainersAvailable(); 12847 } else { 12848 if (DEBUG_SD_INSTALL) 12849 Log.i(TAG, "Unloading packages"); 12850 unloadMediaPackages(processCids, uidArr, reportStatus); 12851 } 12852 } 12853 12854 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12855 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12856 int size = pkgList.size(); 12857 if (size > 0) { 12858 // Send broadcasts here 12859 Bundle extras = new Bundle(); 12860 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12861 .toArray(new String[size])); 12862 if (uidArr != null) { 12863 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12864 } 12865 if (replacing) { 12866 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12867 } 12868 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12869 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12870 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12871 } 12872 } 12873 12874 /* 12875 * Look at potentially valid container ids from processCids If package 12876 * information doesn't match the one on record or package scanning fails, 12877 * the cid is added to list of removeCids. We currently don't delete stale 12878 * containers. 12879 */ 12880 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12881 ArrayList<String> pkgList = new ArrayList<String>(); 12882 Set<AsecInstallArgs> keys = processCids.keySet(); 12883 12884 for (AsecInstallArgs args : keys) { 12885 String codePath = processCids.get(args); 12886 if (DEBUG_SD_INSTALL) 12887 Log.i(TAG, "Loading container : " + args.cid); 12888 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12889 try { 12890 // Make sure there are no container errors first. 12891 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12892 Slog.e(TAG, "Failed to mount cid : " + args.cid 12893 + " when installing from sdcard"); 12894 continue; 12895 } 12896 // Check code path here. 12897 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12898 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12899 + " does not match one in settings " + codePath); 12900 continue; 12901 } 12902 // Parse package 12903 int parseFlags = mDefParseFlags; 12904 if (args.isExternal()) { 12905 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12906 } 12907 if (args.isFwdLocked()) { 12908 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12909 } 12910 12911 synchronized (mInstallLock) { 12912 PackageParser.Package pkg = null; 12913 try { 12914 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12915 } catch (PackageManagerException e) { 12916 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12917 } 12918 // Scan the package 12919 if (pkg != null) { 12920 /* 12921 * TODO why is the lock being held? doPostInstall is 12922 * called in other places without the lock. This needs 12923 * to be straightened out. 12924 */ 12925 // writer 12926 synchronized (mPackages) { 12927 retCode = PackageManager.INSTALL_SUCCEEDED; 12928 pkgList.add(pkg.packageName); 12929 // Post process args 12930 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12931 pkg.applicationInfo.uid); 12932 } 12933 } else { 12934 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12935 } 12936 } 12937 12938 } finally { 12939 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12940 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12941 } 12942 } 12943 } 12944 // writer 12945 synchronized (mPackages) { 12946 // If the platform SDK has changed since the last time we booted, 12947 // we need to re-grant app permission to catch any new ones that 12948 // appear. This is really a hack, and means that apps can in some 12949 // cases get permissions that the user didn't initially explicitly 12950 // allow... it would be nice to have some better way to handle 12951 // this situation. 12952 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12953 if (regrantPermissions) 12954 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12955 + mSdkVersion + "; regranting permissions for external storage"); 12956 mSettings.mExternalSdkPlatform = mSdkVersion; 12957 12958 // Make sure group IDs have been assigned, and any permission 12959 // changes in other apps are accounted for 12960 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12961 | (regrantPermissions 12962 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12963 : 0)); 12964 12965 mSettings.updateExternalDatabaseVersion(); 12966 12967 // can downgrade to reader 12968 // Persist settings 12969 mSettings.writeLPr(); 12970 } 12971 // Send a broadcast to let everyone know we are done processing 12972 if (pkgList.size() > 0) { 12973 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12974 } 12975 } 12976 12977 /* 12978 * Utility method to unload a list of specified containers 12979 */ 12980 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12981 // Just unmount all valid containers. 12982 for (AsecInstallArgs arg : cidArgs) { 12983 synchronized (mInstallLock) { 12984 arg.doPostDeleteLI(false); 12985 } 12986 } 12987 } 12988 12989 /* 12990 * Unload packages mounted on external media. This involves deleting package 12991 * data from internal structures, sending broadcasts about diabled packages, 12992 * gc'ing to free up references, unmounting all secure containers 12993 * corresponding to packages on external media, and posting a 12994 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12995 * that we always have to post this message if status has been requested no 12996 * matter what. 12997 */ 12998 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12999 final boolean reportStatus) { 13000 if (DEBUG_SD_INSTALL) 13001 Log.i(TAG, "unloading media packages"); 13002 ArrayList<String> pkgList = new ArrayList<String>(); 13003 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13004 final Set<AsecInstallArgs> keys = processCids.keySet(); 13005 for (AsecInstallArgs args : keys) { 13006 String pkgName = args.getPackageName(); 13007 if (DEBUG_SD_INSTALL) 13008 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13009 // Delete package internally 13010 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13011 synchronized (mInstallLock) { 13012 boolean res = deletePackageLI(pkgName, null, false, null, null, 13013 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13014 if (res) { 13015 pkgList.add(pkgName); 13016 } else { 13017 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13018 failedList.add(args); 13019 } 13020 } 13021 } 13022 13023 // reader 13024 synchronized (mPackages) { 13025 // We didn't update the settings after removing each package; 13026 // write them now for all packages. 13027 mSettings.writeLPr(); 13028 } 13029 13030 // We have to absolutely send UPDATED_MEDIA_STATUS only 13031 // after confirming that all the receivers processed the ordered 13032 // broadcast when packages get disabled, force a gc to clean things up. 13033 // and unload all the containers. 13034 if (pkgList.size() > 0) { 13035 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13036 new IIntentReceiver.Stub() { 13037 public void performReceive(Intent intent, int resultCode, String data, 13038 Bundle extras, boolean ordered, boolean sticky, 13039 int sendingUser) throws RemoteException { 13040 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13041 reportStatus ? 1 : 0, 1, keys); 13042 mHandler.sendMessage(msg); 13043 } 13044 }); 13045 } else { 13046 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13047 keys); 13048 mHandler.sendMessage(msg); 13049 } 13050 } 13051 13052 /** Binder call */ 13053 @Override 13054 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13055 final int flags) { 13056 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13057 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13058 int returnCode = PackageManager.MOVE_SUCCEEDED; 13059 int currInstallFlags = 0; 13060 int newInstallFlags = 0; 13061 13062 File codeFile = null; 13063 String installerPackageName = null; 13064 String packageAbiOverride = null; 13065 13066 // reader 13067 synchronized (mPackages) { 13068 final PackageParser.Package pkg = mPackages.get(packageName); 13069 final PackageSetting ps = mSettings.mPackages.get(packageName); 13070 if (pkg == null || ps == null) { 13071 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13072 } else { 13073 // Disable moving fwd locked apps and system packages 13074 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13075 Slog.w(TAG, "Cannot move system application"); 13076 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13077 } else if (pkg.mOperationPending) { 13078 Slog.w(TAG, "Attempt to move package which has pending operations"); 13079 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13080 } else { 13081 // Find install location first 13082 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13083 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13084 Slog.w(TAG, "Ambigous flags specified for move location."); 13085 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13086 } else { 13087 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13088 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13089 currInstallFlags = isExternal(pkg) 13090 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13091 13092 if (newInstallFlags == currInstallFlags) { 13093 Slog.w(TAG, "No move required. Trying to move to same location"); 13094 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13095 } else { 13096 if (isForwardLocked(pkg)) { 13097 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13098 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13099 } 13100 } 13101 } 13102 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13103 pkg.mOperationPending = true; 13104 } 13105 } 13106 13107 codeFile = new File(pkg.codePath); 13108 installerPackageName = ps.installerPackageName; 13109 packageAbiOverride = ps.cpuAbiOverrideString; 13110 } 13111 } 13112 13113 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13114 try { 13115 observer.packageMoved(packageName, returnCode); 13116 } catch (RemoteException ignored) { 13117 } 13118 return; 13119 } 13120 13121 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13122 @Override 13123 public void onUserActionRequired(Intent intent) throws RemoteException { 13124 throw new IllegalStateException(); 13125 } 13126 13127 @Override 13128 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13129 Bundle extras) throws RemoteException { 13130 Slog.d(TAG, "Install result for move: " 13131 + PackageManager.installStatusToString(returnCode, msg)); 13132 13133 // We usually have a new package now after the install, but if 13134 // we failed we need to clear the pending flag on the original 13135 // package object. 13136 synchronized (mPackages) { 13137 final PackageParser.Package pkg = mPackages.get(packageName); 13138 if (pkg != null) { 13139 pkg.mOperationPending = false; 13140 } 13141 } 13142 13143 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13144 switch (status) { 13145 case PackageInstaller.STATUS_SUCCESS: 13146 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13147 break; 13148 case PackageInstaller.STATUS_FAILURE_STORAGE: 13149 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13150 break; 13151 default: 13152 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13153 break; 13154 } 13155 } 13156 }; 13157 13158 // Treat a move like reinstalling an existing app, which ensures that we 13159 // process everythign uniformly, like unpacking native libraries. 13160 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13161 13162 final Message msg = mHandler.obtainMessage(INIT_COPY); 13163 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13164 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13165 installerPackageName, null, user, packageAbiOverride); 13166 mHandler.sendMessage(msg); 13167 } 13168 13169 @Override 13170 public boolean setInstallLocation(int loc) { 13171 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13172 null); 13173 if (getInstallLocation() == loc) { 13174 return true; 13175 } 13176 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13177 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13178 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13179 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13180 return true; 13181 } 13182 return false; 13183 } 13184 13185 @Override 13186 public int getInstallLocation() { 13187 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13188 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13189 PackageHelper.APP_INSTALL_AUTO); 13190 } 13191 13192 /** Called by UserManagerService */ 13193 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13194 mDirtyUsers.remove(userHandle); 13195 mSettings.removeUserLPw(userHandle); 13196 mPendingBroadcasts.remove(userHandle); 13197 if (mInstaller != null) { 13198 // Technically, we shouldn't be doing this with the package lock 13199 // held. However, this is very rare, and there is already so much 13200 // other disk I/O going on, that we'll let it slide for now. 13201 mInstaller.removeUserDataDirs(userHandle); 13202 } 13203 mUserNeedsBadging.delete(userHandle); 13204 removeUnusedPackagesLILPw(userManager, userHandle); 13205 } 13206 13207 /** 13208 * We're removing userHandle and would like to remove any downloaded packages 13209 * that are no longer in use by any other user. 13210 * @param userHandle the user being removed 13211 */ 13212 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13213 final boolean DEBUG_CLEAN_APKS = false; 13214 int [] users = userManager.getUserIdsLPr(); 13215 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13216 while (psit.hasNext()) { 13217 PackageSetting ps = psit.next(); 13218 if (ps.pkg == null) { 13219 continue; 13220 } 13221 final String packageName = ps.pkg.packageName; 13222 // Skip over if system app 13223 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13224 continue; 13225 } 13226 if (DEBUG_CLEAN_APKS) { 13227 Slog.i(TAG, "Checking package " + packageName); 13228 } 13229 boolean keep = false; 13230 for (int i = 0; i < users.length; i++) { 13231 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13232 keep = true; 13233 if (DEBUG_CLEAN_APKS) { 13234 Slog.i(TAG, " Keeping package " + packageName + " for user " 13235 + users[i]); 13236 } 13237 break; 13238 } 13239 } 13240 if (!keep) { 13241 if (DEBUG_CLEAN_APKS) { 13242 Slog.i(TAG, " Removing package " + packageName); 13243 } 13244 mHandler.post(new Runnable() { 13245 public void run() { 13246 deletePackageX(packageName, userHandle, 0); 13247 } //end run 13248 }); 13249 } 13250 } 13251 } 13252 13253 /** Called by UserManagerService */ 13254 void createNewUserLILPw(int userHandle, File path) { 13255 if (mInstaller != null) { 13256 mInstaller.createUserConfig(userHandle); 13257 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13258 } 13259 } 13260 13261 @Override 13262 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13263 mContext.enforceCallingOrSelfPermission( 13264 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13265 "Only package verification agents can read the verifier device identity"); 13266 13267 synchronized (mPackages) { 13268 return mSettings.getVerifierDeviceIdentityLPw(); 13269 } 13270 } 13271 13272 @Override 13273 public void setPermissionEnforced(String permission, boolean enforced) { 13274 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13275 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13276 synchronized (mPackages) { 13277 if (mSettings.mReadExternalStorageEnforced == null 13278 || mSettings.mReadExternalStorageEnforced != enforced) { 13279 mSettings.mReadExternalStorageEnforced = enforced; 13280 mSettings.writeLPr(); 13281 } 13282 } 13283 // kill any non-foreground processes so we restart them and 13284 // grant/revoke the GID. 13285 final IActivityManager am = ActivityManagerNative.getDefault(); 13286 if (am != null) { 13287 final long token = Binder.clearCallingIdentity(); 13288 try { 13289 am.killProcessesBelowForeground("setPermissionEnforcement"); 13290 } catch (RemoteException e) { 13291 } finally { 13292 Binder.restoreCallingIdentity(token); 13293 } 13294 } 13295 } else { 13296 throw new IllegalArgumentException("No selective enforcement for " + permission); 13297 } 13298 } 13299 13300 @Override 13301 @Deprecated 13302 public boolean isPermissionEnforced(String permission) { 13303 return true; 13304 } 13305 13306 @Override 13307 public boolean isStorageLow() { 13308 final long token = Binder.clearCallingIdentity(); 13309 try { 13310 final DeviceStorageMonitorInternal 13311 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13312 if (dsm != null) { 13313 return dsm.isMemoryLow(); 13314 } else { 13315 return false; 13316 } 13317 } finally { 13318 Binder.restoreCallingIdentity(token); 13319 } 13320 } 13321 13322 @Override 13323 public IPackageInstaller getPackageInstaller() { 13324 return mInstallerService; 13325 } 13326 13327 private boolean userNeedsBadging(int userId) { 13328 int index = mUserNeedsBadging.indexOfKey(userId); 13329 if (index < 0) { 13330 final UserInfo userInfo; 13331 final long token = Binder.clearCallingIdentity(); 13332 try { 13333 userInfo = sUserManager.getUserInfo(userId); 13334 } finally { 13335 Binder.restoreCallingIdentity(token); 13336 } 13337 final boolean b; 13338 if (userInfo != null && userInfo.isManagedProfile()) { 13339 b = true; 13340 } else { 13341 b = false; 13342 } 13343 mUserNeedsBadging.put(userId, b); 13344 return b; 13345 } 13346 return mUserNeedsBadging.valueAt(index); 13347 } 13348 13349 @Override 13350 public KeySet getKeySetByAlias(String packageName, String alias) { 13351 if (packageName == null || alias == null) { 13352 return null; 13353 } 13354 synchronized(mPackages) { 13355 final PackageParser.Package pkg = mPackages.get(packageName); 13356 if (pkg == null) { 13357 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13358 throw new IllegalArgumentException("Unknown package: " + packageName); 13359 } 13360 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13361 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13362 } 13363 } 13364 13365 @Override 13366 public KeySet getSigningKeySet(String packageName) { 13367 if (packageName == null) { 13368 return null; 13369 } 13370 synchronized(mPackages) { 13371 final PackageParser.Package pkg = mPackages.get(packageName); 13372 if (pkg == null) { 13373 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13374 throw new IllegalArgumentException("Unknown package: " + packageName); 13375 } 13376 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13377 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13378 throw new SecurityException("May not access signing KeySet of other apps."); 13379 } 13380 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13381 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13382 } 13383 } 13384 13385 @Override 13386 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13387 if (packageName == null || ks == null) { 13388 return false; 13389 } 13390 synchronized(mPackages) { 13391 final PackageParser.Package pkg = mPackages.get(packageName); 13392 if (pkg == null) { 13393 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13394 throw new IllegalArgumentException("Unknown package: " + packageName); 13395 } 13396 IBinder ksh = ks.getToken(); 13397 if (ksh instanceof KeySetHandle) { 13398 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13399 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13400 } 13401 return false; 13402 } 13403 } 13404 13405 @Override 13406 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13407 if (packageName == null || ks == null) { 13408 return false; 13409 } 13410 synchronized(mPackages) { 13411 final PackageParser.Package pkg = mPackages.get(packageName); 13412 if (pkg == null) { 13413 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13414 throw new IllegalArgumentException("Unknown package: " + packageName); 13415 } 13416 IBinder ksh = ks.getToken(); 13417 if (ksh instanceof KeySetHandle) { 13418 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13419 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13420 } 13421 return false; 13422 } 13423 } 13424 13425 public void getUsageStatsIfNoPackageUsageInfo() { 13426 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13427 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13428 if (usm == null) { 13429 throw new IllegalStateException("UsageStatsManager must be initialized"); 13430 } 13431 long now = System.currentTimeMillis(); 13432 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13433 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13434 String packageName = entry.getKey(); 13435 PackageParser.Package pkg = mPackages.get(packageName); 13436 if (pkg == null) { 13437 continue; 13438 } 13439 UsageStats usage = entry.getValue(); 13440 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13441 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13442 } 13443 } 13444 } 13445} 13446