PackageManagerService.java revision 9f837a99d48c5bb8ad7fbc133943e5bf622ce065
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.content.BroadcastReceiver; 88import android.content.ComponentName; 89import android.content.Context; 90import android.content.IIntentReceiver; 91import android.content.Intent; 92import android.content.IntentFilter; 93import android.content.IntentSender; 94import android.content.IntentSender.SendIntentException; 95import android.content.ServiceConnection; 96import android.content.pm.ActivityInfo; 97import android.content.pm.ApplicationInfo; 98import android.content.pm.FeatureInfo; 99import android.content.pm.IPackageDataObserver; 100import android.content.pm.IPackageDeleteObserver; 101import android.content.pm.IPackageDeleteObserver2; 102import android.content.pm.IPackageInstallObserver2; 103import android.content.pm.IPackageInstaller; 104import android.content.pm.IPackageManager; 105import android.content.pm.IPackageMoveObserver; 106import android.content.pm.IPackageStatsObserver; 107import android.content.pm.InstrumentationInfo; 108import android.content.pm.KeySet; 109import android.content.pm.ManifestDigest; 110import android.content.pm.PackageCleanItem; 111import android.content.pm.PackageInfo; 112import android.content.pm.PackageInfoLite; 113import android.content.pm.PackageInstaller; 114import android.content.pm.PackageManager; 115import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 116import android.content.pm.PackageParser.ActivityIntentInfo; 117import android.content.pm.PackageParser.PackageLite; 118import android.content.pm.PackageParser.PackageParserException; 119import android.content.pm.PackageParser; 120import android.content.pm.PackageStats; 121import android.content.pm.PackageUserState; 122import android.content.pm.ParceledListSlice; 123import android.content.pm.PermissionGroupInfo; 124import android.content.pm.PermissionInfo; 125import android.content.pm.ProviderInfo; 126import android.content.pm.ResolveInfo; 127import android.content.pm.ServiceInfo; 128import android.content.pm.Signature; 129import android.content.pm.UserInfo; 130import android.content.pm.VerificationParams; 131import android.content.pm.VerifierDeviceIdentity; 132import android.content.pm.VerifierInfo; 133import android.content.res.Resources; 134import android.hardware.display.DisplayManager; 135import android.net.Uri; 136import android.os.Binder; 137import android.os.Build; 138import android.os.Bundle; 139import android.os.Environment; 140import android.os.Environment.UserEnvironment; 141import android.os.storage.StorageManager; 142import android.os.Debug; 143import android.os.FileUtils; 144import android.os.Handler; 145import android.os.IBinder; 146import android.os.Looper; 147import android.os.Message; 148import android.os.Parcel; 149import android.os.ParcelFileDescriptor; 150import android.os.Process; 151import android.os.RemoteException; 152import android.os.SELinux; 153import android.os.ServiceManager; 154import android.os.SystemClock; 155import android.os.SystemProperties; 156import android.os.UserHandle; 157import android.os.UserManager; 158import android.security.KeyStore; 159import android.security.SystemKeyStore; 160import android.system.ErrnoException; 161import android.system.Os; 162import android.system.StructStat; 163import android.text.TextUtils; 164import android.util.ArraySet; 165import android.util.AtomicFile; 166import android.util.DisplayMetrics; 167import android.util.EventLog; 168import android.util.ExceptionUtils; 169import android.util.Log; 170import android.util.LogPrinter; 171import android.util.PrintStreamPrinter; 172import android.util.Slog; 173import android.util.SparseArray; 174import android.util.SparseBooleanArray; 175import android.view.Display; 176 177import java.io.BufferedInputStream; 178import java.io.BufferedOutputStream; 179import java.io.BufferedReader; 180import java.io.File; 181import java.io.FileDescriptor; 182import java.io.FileInputStream; 183import java.io.FileNotFoundException; 184import java.io.FileOutputStream; 185import java.io.FileReader; 186import java.io.FilenameFilter; 187import java.io.IOException; 188import java.io.InputStream; 189import java.io.PrintWriter; 190import java.nio.charset.StandardCharsets; 191import java.security.NoSuchAlgorithmException; 192import java.security.PublicKey; 193import java.security.cert.CertificateEncodingException; 194import java.security.cert.CertificateException; 195import java.text.SimpleDateFormat; 196import java.util.ArrayList; 197import java.util.Arrays; 198import java.util.Collection; 199import java.util.Collections; 200import java.util.Comparator; 201import java.util.Date; 202import java.util.Iterator; 203import java.util.List; 204import java.util.Map; 205import java.util.Objects; 206import java.util.Set; 207import java.util.concurrent.atomic.AtomicBoolean; 208import java.util.concurrent.atomic.AtomicLong; 209 210import dalvik.system.DexFile; 211import dalvik.system.StaleDexCacheError; 212import dalvik.system.VMRuntime; 213 214import libcore.io.IoUtils; 215import libcore.util.EmptyArray; 216 217/** 218 * Keep track of all those .apks everywhere. 219 * 220 * This is very central to the platform's security; please run the unit 221 * tests whenever making modifications here: 222 * 223mmm frameworks/base/tests/AndroidTests 224adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 225adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 226 * 227 * {@hide} 228 */ 229public class PackageManagerService extends IPackageManager.Stub { 230 static final String TAG = "PackageManager"; 231 static final boolean DEBUG_SETTINGS = false; 232 static final boolean DEBUG_PREFERRED = false; 233 static final boolean DEBUG_UPGRADE = false; 234 private static final boolean DEBUG_INSTALL = false; 235 private static final boolean DEBUG_REMOVE = false; 236 private static final boolean DEBUG_BROADCASTS = false; 237 private static final boolean DEBUG_SHOW_INFO = false; 238 private static final boolean DEBUG_PACKAGE_INFO = false; 239 private static final boolean DEBUG_INTENT_MATCHING = false; 240 private static final boolean DEBUG_PACKAGE_SCANNING = false; 241 private static final boolean DEBUG_VERIFY = false; 242 private static final boolean DEBUG_DEXOPT = false; 243 private static final boolean DEBUG_ABI_SELECTION = false; 244 245 private static final int RADIO_UID = Process.PHONE_UID; 246 private static final int LOG_UID = Process.LOG_UID; 247 private static final int NFC_UID = Process.NFC_UID; 248 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 249 private static final int SHELL_UID = Process.SHELL_UID; 250 251 // Cap the size of permission trees that 3rd party apps can define 252 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 253 254 // Suffix used during package installation when copying/moving 255 // package apks to install directory. 256 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 257 258 static final int SCAN_NO_DEX = 1<<1; 259 static final int SCAN_FORCE_DEX = 1<<2; 260 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 261 static final int SCAN_NEW_INSTALL = 1<<4; 262 static final int SCAN_NO_PATHS = 1<<5; 263 static final int SCAN_UPDATE_TIME = 1<<6; 264 static final int SCAN_DEFER_DEX = 1<<7; 265 static final int SCAN_BOOTING = 1<<8; 266 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 267 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 268 static final int SCAN_REPLACING = 1<<11; 269 270 static final int REMOVE_CHATTY = 1<<16; 271 272 /** 273 * Timeout (in milliseconds) after which the watchdog should declare that 274 * our handler thread is wedged. The usual default for such things is one 275 * minute but we sometimes do very lengthy I/O operations on this thread, 276 * such as installing multi-gigabyte applications, so ours needs to be longer. 277 */ 278 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 279 280 /** 281 * Whether verification is enabled by default. 282 */ 283 private static final boolean DEFAULT_VERIFY_ENABLE = true; 284 285 /** 286 * The default maximum time to wait for the verification agent to return in 287 * milliseconds. 288 */ 289 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 290 291 /** 292 * The default response for package verification timeout. 293 * 294 * This can be either PackageManager.VERIFICATION_ALLOW or 295 * PackageManager.VERIFICATION_REJECT. 296 */ 297 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 298 299 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 300 301 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 302 DEFAULT_CONTAINER_PACKAGE, 303 "com.android.defcontainer.DefaultContainerService"); 304 305 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 306 307 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 308 309 private static String sPreferredInstructionSet; 310 311 final ServiceThread mHandlerThread; 312 313 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 314 private static final String IDMAP_SUFFIX = "@idmap"; 315 316 final PackageHandler mHandler; 317 318 /** 319 * Messages for {@link #mHandler} that need to wait for system ready before 320 * being dispatched. 321 */ 322 private ArrayList<Message> mPostSystemReadyMessages; 323 324 final int mSdkVersion = Build.VERSION.SDK_INT; 325 326 final Context mContext; 327 final boolean mFactoryTest; 328 final boolean mOnlyCore; 329 final boolean mLazyDexOpt; 330 final DisplayMetrics mMetrics; 331 final int mDefParseFlags; 332 final String[] mSeparateProcesses; 333 334 // This is where all application persistent data goes. 335 final File mAppDataDir; 336 337 // This is where all application persistent data goes for secondary users. 338 final File mUserAppDataDir; 339 340 /** The location for ASEC container files on internal storage. */ 341 final String mAsecInternalPath; 342 343 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 344 // LOCK HELD. Can be called with mInstallLock held. 345 final Installer mInstaller; 346 347 /** Directory where installed third-party apps stored */ 348 final File mAppInstallDir; 349 350 /** 351 * Directory to which applications installed internally have their 352 * 32 bit native libraries copied. 353 */ 354 private File mAppLib32InstallDir; 355 356 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 357 // apps. 358 final File mDrmAppPrivateInstallDir; 359 360 // ---------------------------------------------------------------- 361 362 // Lock for state used when installing and doing other long running 363 // operations. Methods that must be called with this lock held have 364 // the suffix "LI". 365 final Object mInstallLock = new Object(); 366 367 // ---------------------------------------------------------------- 368 369 // Keys are String (package name), values are Package. This also serves 370 // as the lock for the global state. Methods that must be called with 371 // this lock held have the prefix "LP". 372 final ArrayMap<String, PackageParser.Package> mPackages = 373 new ArrayMap<String, PackageParser.Package>(); 374 375 // Tracks available target package names -> overlay package paths. 376 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 377 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 378 379 final Settings mSettings; 380 boolean mRestoredSettings; 381 382 // System configuration read by SystemConfig. 383 final int[] mGlobalGids; 384 final SparseArray<ArraySet<String>> mSystemPermissions; 385 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 386 387 // If mac_permissions.xml was found for seinfo labeling. 388 boolean mFoundPolicyFile; 389 390 // If a recursive restorecon of /data/data/<pkg> is needed. 391 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 392 393 public static final class SharedLibraryEntry { 394 public final String path; 395 public final String apk; 396 397 SharedLibraryEntry(String _path, String _apk) { 398 path = _path; 399 apk = _apk; 400 } 401 } 402 403 // Currently known shared libraries. 404 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 405 new ArrayMap<String, SharedLibraryEntry>(); 406 407 // All available activities, for your resolving pleasure. 408 final ActivityIntentResolver mActivities = 409 new ActivityIntentResolver(); 410 411 // All available receivers, for your resolving pleasure. 412 final ActivityIntentResolver mReceivers = 413 new ActivityIntentResolver(); 414 415 // All available services, for your resolving pleasure. 416 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 417 418 // All available providers, for your resolving pleasure. 419 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 420 421 // Mapping from provider base names (first directory in content URI codePath) 422 // to the provider information. 423 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 424 new ArrayMap<String, PackageParser.Provider>(); 425 426 // Mapping from instrumentation class names to info about them. 427 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 428 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 429 430 // Mapping from permission names to info about them. 431 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 432 new ArrayMap<String, PackageParser.PermissionGroup>(); 433 434 // Packages whose data we have transfered into another package, thus 435 // should no longer exist. 436 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 437 438 // Broadcast actions that are only available to the system. 439 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 440 441 /** List of packages waiting for verification. */ 442 final SparseArray<PackageVerificationState> mPendingVerification 443 = new SparseArray<PackageVerificationState>(); 444 445 /** Set of packages associated with each app op permission. */ 446 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 447 448 final PackageInstallerService mInstallerService; 449 450 ArraySet<PackageParser.Package> mDeferredDexOpt = null; 451 452 // Cache of users who need badging. 453 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 454 455 /** Token for keys in mPendingVerification. */ 456 private int mPendingVerificationToken = 0; 457 458 volatile boolean mSystemReady; 459 volatile boolean mSafeMode; 460 volatile boolean mHasSystemUidErrors; 461 462 ApplicationInfo mAndroidApplication; 463 final ActivityInfo mResolveActivity = new ActivityInfo(); 464 final ResolveInfo mResolveInfo = new ResolveInfo(); 465 ComponentName mResolveComponentName; 466 PackageParser.Package mPlatformPackage; 467 ComponentName mCustomResolverComponentName; 468 469 boolean mResolverReplaced = false; 470 471 // Set of pending broadcasts for aggregating enable/disable of components. 472 static class PendingPackageBroadcasts { 473 // for each user id, a map of <package name -> components within that package> 474 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 475 476 public PendingPackageBroadcasts() { 477 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 478 } 479 480 public ArrayList<String> get(int userId, String packageName) { 481 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 482 return packages.get(packageName); 483 } 484 485 public void put(int userId, String packageName, ArrayList<String> components) { 486 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 487 packages.put(packageName, components); 488 } 489 490 public void remove(int userId, String packageName) { 491 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 492 if (packages != null) { 493 packages.remove(packageName); 494 } 495 } 496 497 public void remove(int userId) { 498 mUidMap.remove(userId); 499 } 500 501 public int userIdCount() { 502 return mUidMap.size(); 503 } 504 505 public int userIdAt(int n) { 506 return mUidMap.keyAt(n); 507 } 508 509 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 510 return mUidMap.get(userId); 511 } 512 513 public int size() { 514 // total number of pending broadcast entries across all userIds 515 int num = 0; 516 for (int i = 0; i< mUidMap.size(); i++) { 517 num += mUidMap.valueAt(i).size(); 518 } 519 return num; 520 } 521 522 public void clear() { 523 mUidMap.clear(); 524 } 525 526 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 527 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 528 if (map == null) { 529 map = new ArrayMap<String, ArrayList<String>>(); 530 mUidMap.put(userId, map); 531 } 532 return map; 533 } 534 } 535 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 536 537 // Service Connection to remote media container service to copy 538 // package uri's from external media onto secure containers 539 // or internal storage. 540 private IMediaContainerService mContainerService = null; 541 542 static final int SEND_PENDING_BROADCAST = 1; 543 static final int MCS_BOUND = 3; 544 static final int END_COPY = 4; 545 static final int INIT_COPY = 5; 546 static final int MCS_UNBIND = 6; 547 static final int START_CLEANING_PACKAGE = 7; 548 static final int FIND_INSTALL_LOC = 8; 549 static final int POST_INSTALL = 9; 550 static final int MCS_RECONNECT = 10; 551 static final int MCS_GIVE_UP = 11; 552 static final int UPDATED_MEDIA_STATUS = 12; 553 static final int WRITE_SETTINGS = 13; 554 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 555 static final int PACKAGE_VERIFIED = 15; 556 static final int CHECK_PENDING_VERIFICATION = 16; 557 558 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 559 560 // Delay time in millisecs 561 static final int BROADCAST_DELAY = 10 * 1000; 562 563 static UserManagerService sUserManager; 564 565 // Stores a list of users whose package restrictions file needs to be updated 566 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 567 568 final private DefaultContainerConnection mDefContainerConn = 569 new DefaultContainerConnection(); 570 class DefaultContainerConnection implements ServiceConnection { 571 public void onServiceConnected(ComponentName name, IBinder service) { 572 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 573 IMediaContainerService imcs = 574 IMediaContainerService.Stub.asInterface(service); 575 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 576 } 577 578 public void onServiceDisconnected(ComponentName name) { 579 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 580 } 581 }; 582 583 // Recordkeeping of restore-after-install operations that are currently in flight 584 // between the Package Manager and the Backup Manager 585 class PostInstallData { 586 public InstallArgs args; 587 public PackageInstalledInfo res; 588 589 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 590 args = _a; 591 res = _r; 592 } 593 }; 594 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 595 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 596 597 private final String mRequiredVerifierPackage; 598 599 private final PackageUsage mPackageUsage = new PackageUsage(); 600 601 private class PackageUsage { 602 private static final int WRITE_INTERVAL 603 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 604 605 private final Object mFileLock = new Object(); 606 private final AtomicLong mLastWritten = new AtomicLong(0); 607 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 608 609 private boolean mIsHistoricalPackageUsageAvailable = true; 610 611 boolean isHistoricalPackageUsageAvailable() { 612 return mIsHistoricalPackageUsageAvailable; 613 } 614 615 void write(boolean force) { 616 if (force) { 617 writeInternal(); 618 return; 619 } 620 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 621 && !DEBUG_DEXOPT) { 622 return; 623 } 624 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 625 new Thread("PackageUsage_DiskWriter") { 626 @Override 627 public void run() { 628 try { 629 writeInternal(); 630 } finally { 631 mBackgroundWriteRunning.set(false); 632 } 633 } 634 }.start(); 635 } 636 } 637 638 private void writeInternal() { 639 synchronized (mPackages) { 640 synchronized (mFileLock) { 641 AtomicFile file = getFile(); 642 FileOutputStream f = null; 643 try { 644 f = file.startWrite(); 645 BufferedOutputStream out = new BufferedOutputStream(f); 646 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 647 StringBuilder sb = new StringBuilder(); 648 for (PackageParser.Package pkg : mPackages.values()) { 649 if (pkg.mLastPackageUsageTimeInMills == 0) { 650 continue; 651 } 652 sb.setLength(0); 653 sb.append(pkg.packageName); 654 sb.append(' '); 655 sb.append((long)pkg.mLastPackageUsageTimeInMills); 656 sb.append('\n'); 657 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 658 } 659 out.flush(); 660 file.finishWrite(f); 661 } catch (IOException e) { 662 if (f != null) { 663 file.failWrite(f); 664 } 665 Log.e(TAG, "Failed to write package usage times", e); 666 } 667 } 668 } 669 mLastWritten.set(SystemClock.elapsedRealtime()); 670 } 671 672 void readLP() { 673 synchronized (mFileLock) { 674 AtomicFile file = getFile(); 675 BufferedInputStream in = null; 676 try { 677 in = new BufferedInputStream(file.openRead()); 678 StringBuffer sb = new StringBuffer(); 679 while (true) { 680 String packageName = readToken(in, sb, ' '); 681 if (packageName == null) { 682 break; 683 } 684 String timeInMillisString = readToken(in, sb, '\n'); 685 if (timeInMillisString == null) { 686 throw new IOException("Failed to find last usage time for package " 687 + packageName); 688 } 689 PackageParser.Package pkg = mPackages.get(packageName); 690 if (pkg == null) { 691 continue; 692 } 693 long timeInMillis; 694 try { 695 timeInMillis = Long.parseLong(timeInMillisString.toString()); 696 } catch (NumberFormatException e) { 697 throw new IOException("Failed to parse " + timeInMillisString 698 + " as a long.", e); 699 } 700 pkg.mLastPackageUsageTimeInMills = timeInMillis; 701 } 702 } catch (FileNotFoundException expected) { 703 mIsHistoricalPackageUsageAvailable = false; 704 } catch (IOException e) { 705 Log.w(TAG, "Failed to read package usage times", e); 706 } finally { 707 IoUtils.closeQuietly(in); 708 } 709 } 710 mLastWritten.set(SystemClock.elapsedRealtime()); 711 } 712 713 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 714 throws IOException { 715 sb.setLength(0); 716 while (true) { 717 int ch = in.read(); 718 if (ch == -1) { 719 if (sb.length() == 0) { 720 return null; 721 } 722 throw new IOException("Unexpected EOF"); 723 } 724 if (ch == endOfToken) { 725 return sb.toString(); 726 } 727 sb.append((char)ch); 728 } 729 } 730 731 private AtomicFile getFile() { 732 File dataDir = Environment.getDataDirectory(); 733 File systemDir = new File(dataDir, "system"); 734 File fname = new File(systemDir, "package-usage.list"); 735 return new AtomicFile(fname); 736 } 737 } 738 739 class PackageHandler extends Handler { 740 private boolean mBound = false; 741 final ArrayList<HandlerParams> mPendingInstalls = 742 new ArrayList<HandlerParams>(); 743 744 private boolean connectToService() { 745 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 746 " DefaultContainerService"); 747 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 748 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 749 if (mContext.bindServiceAsUser(service, mDefContainerConn, 750 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 751 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 752 mBound = true; 753 return true; 754 } 755 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 756 return false; 757 } 758 759 private void disconnectService() { 760 mContainerService = null; 761 mBound = false; 762 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 763 mContext.unbindService(mDefContainerConn); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 765 } 766 767 PackageHandler(Looper looper) { 768 super(looper); 769 } 770 771 public void handleMessage(Message msg) { 772 try { 773 doHandleMessage(msg); 774 } finally { 775 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 776 } 777 } 778 779 void doHandleMessage(Message msg) { 780 switch (msg.what) { 781 case INIT_COPY: { 782 HandlerParams params = (HandlerParams) msg.obj; 783 int idx = mPendingInstalls.size(); 784 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 785 // If a bind was already initiated we dont really 786 // need to do anything. The pending install 787 // will be processed later on. 788 if (!mBound) { 789 // If this is the only one pending we might 790 // have to bind to the service again. 791 if (!connectToService()) { 792 Slog.e(TAG, "Failed to bind to media container service"); 793 params.serviceError(); 794 return; 795 } else { 796 // Once we bind to the service, the first 797 // pending request will be processed. 798 mPendingInstalls.add(idx, params); 799 } 800 } else { 801 mPendingInstalls.add(idx, params); 802 // Already bound to the service. Just make 803 // sure we trigger off processing the first request. 804 if (idx == 0) { 805 mHandler.sendEmptyMessage(MCS_BOUND); 806 } 807 } 808 break; 809 } 810 case MCS_BOUND: { 811 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 812 if (msg.obj != null) { 813 mContainerService = (IMediaContainerService) msg.obj; 814 } 815 if (mContainerService == null) { 816 // Something seriously wrong. Bail out 817 Slog.e(TAG, "Cannot bind to media container service"); 818 for (HandlerParams params : mPendingInstalls) { 819 // Indicate service bind error 820 params.serviceError(); 821 } 822 mPendingInstalls.clear(); 823 } else if (mPendingInstalls.size() > 0) { 824 HandlerParams params = mPendingInstalls.get(0); 825 if (params != null) { 826 if (params.startCopy()) { 827 // We are done... look for more work or to 828 // go idle. 829 if (DEBUG_SD_INSTALL) Log.i(TAG, 830 "Checking for more work or unbind..."); 831 // Delete pending install 832 if (mPendingInstalls.size() > 0) { 833 mPendingInstalls.remove(0); 834 } 835 if (mPendingInstalls.size() == 0) { 836 if (mBound) { 837 if (DEBUG_SD_INSTALL) Log.i(TAG, 838 "Posting delayed MCS_UNBIND"); 839 removeMessages(MCS_UNBIND); 840 Message ubmsg = obtainMessage(MCS_UNBIND); 841 // Unbind after a little delay, to avoid 842 // continual thrashing. 843 sendMessageDelayed(ubmsg, 10000); 844 } 845 } else { 846 // There are more pending requests in queue. 847 // Just post MCS_BOUND message to trigger processing 848 // of next pending install. 849 if (DEBUG_SD_INSTALL) Log.i(TAG, 850 "Posting MCS_BOUND for next work"); 851 mHandler.sendEmptyMessage(MCS_BOUND); 852 } 853 } 854 } 855 } else { 856 // Should never happen ideally. 857 Slog.w(TAG, "Empty queue"); 858 } 859 break; 860 } 861 case MCS_RECONNECT: { 862 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 863 if (mPendingInstalls.size() > 0) { 864 if (mBound) { 865 disconnectService(); 866 } 867 if (!connectToService()) { 868 Slog.e(TAG, "Failed to bind to media container service"); 869 for (HandlerParams params : mPendingInstalls) { 870 // Indicate service bind error 871 params.serviceError(); 872 } 873 mPendingInstalls.clear(); 874 } 875 } 876 break; 877 } 878 case MCS_UNBIND: { 879 // If there is no actual work left, then time to unbind. 880 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 881 882 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 883 if (mBound) { 884 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 885 886 disconnectService(); 887 } 888 } else if (mPendingInstalls.size() > 0) { 889 // There are more pending requests in queue. 890 // Just post MCS_BOUND message to trigger processing 891 // of next pending install. 892 mHandler.sendEmptyMessage(MCS_BOUND); 893 } 894 895 break; 896 } 897 case MCS_GIVE_UP: { 898 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 899 mPendingInstalls.remove(0); 900 break; 901 } 902 case SEND_PENDING_BROADCAST: { 903 String packages[]; 904 ArrayList<String> components[]; 905 int size = 0; 906 int uids[]; 907 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 908 synchronized (mPackages) { 909 if (mPendingBroadcasts == null) { 910 return; 911 } 912 size = mPendingBroadcasts.size(); 913 if (size <= 0) { 914 // Nothing to be done. Just return 915 return; 916 } 917 packages = new String[size]; 918 components = new ArrayList[size]; 919 uids = new int[size]; 920 int i = 0; // filling out the above arrays 921 922 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 923 int packageUserId = mPendingBroadcasts.userIdAt(n); 924 Iterator<Map.Entry<String, ArrayList<String>>> it 925 = mPendingBroadcasts.packagesForUserId(packageUserId) 926 .entrySet().iterator(); 927 while (it.hasNext() && i < size) { 928 Map.Entry<String, ArrayList<String>> ent = it.next(); 929 packages[i] = ent.getKey(); 930 components[i] = ent.getValue(); 931 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 932 uids[i] = (ps != null) 933 ? UserHandle.getUid(packageUserId, ps.appId) 934 : -1; 935 i++; 936 } 937 } 938 size = i; 939 mPendingBroadcasts.clear(); 940 } 941 // Send broadcasts 942 for (int i = 0; i < size; i++) { 943 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 944 } 945 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 946 break; 947 } 948 case START_CLEANING_PACKAGE: { 949 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 950 final String packageName = (String)msg.obj; 951 final int userId = msg.arg1; 952 final boolean andCode = msg.arg2 != 0; 953 synchronized (mPackages) { 954 if (userId == UserHandle.USER_ALL) { 955 int[] users = sUserManager.getUserIds(); 956 for (int user : users) { 957 mSettings.addPackageToCleanLPw( 958 new PackageCleanItem(user, packageName, andCode)); 959 } 960 } else { 961 mSettings.addPackageToCleanLPw( 962 new PackageCleanItem(userId, packageName, andCode)); 963 } 964 } 965 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 966 startCleaningPackages(); 967 } break; 968 case POST_INSTALL: { 969 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 970 PostInstallData data = mRunningInstalls.get(msg.arg1); 971 mRunningInstalls.delete(msg.arg1); 972 boolean deleteOld = false; 973 974 if (data != null) { 975 InstallArgs args = data.args; 976 PackageInstalledInfo res = data.res; 977 978 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 979 res.removedInfo.sendBroadcast(false, true, false); 980 Bundle extras = new Bundle(1); 981 extras.putInt(Intent.EXTRA_UID, res.uid); 982 // Determine the set of users who are adding this 983 // package for the first time vs. those who are seeing 984 // an update. 985 int[] firstUsers; 986 int[] updateUsers = new int[0]; 987 if (res.origUsers == null || res.origUsers.length == 0) { 988 firstUsers = res.newUsers; 989 } else { 990 firstUsers = new int[0]; 991 for (int i=0; i<res.newUsers.length; i++) { 992 int user = res.newUsers[i]; 993 boolean isNew = true; 994 for (int j=0; j<res.origUsers.length; j++) { 995 if (res.origUsers[j] == user) { 996 isNew = false; 997 break; 998 } 999 } 1000 if (isNew) { 1001 int[] newFirst = new int[firstUsers.length+1]; 1002 System.arraycopy(firstUsers, 0, newFirst, 0, 1003 firstUsers.length); 1004 newFirst[firstUsers.length] = user; 1005 firstUsers = newFirst; 1006 } else { 1007 int[] newUpdate = new int[updateUsers.length+1]; 1008 System.arraycopy(updateUsers, 0, newUpdate, 0, 1009 updateUsers.length); 1010 newUpdate[updateUsers.length] = user; 1011 updateUsers = newUpdate; 1012 } 1013 } 1014 } 1015 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1016 res.pkg.applicationInfo.packageName, 1017 extras, null, null, firstUsers); 1018 final boolean update = res.removedInfo.removedPackage != null; 1019 if (update) { 1020 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1021 } 1022 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1023 res.pkg.applicationInfo.packageName, 1024 extras, null, null, updateUsers); 1025 if (update) { 1026 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1027 res.pkg.applicationInfo.packageName, 1028 extras, null, null, updateUsers); 1029 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1030 null, null, 1031 res.pkg.applicationInfo.packageName, null, updateUsers); 1032 1033 // treat asec-hosted packages like removable media on upgrade 1034 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1035 if (DEBUG_INSTALL) { 1036 Slog.i(TAG, "upgrading pkg " + res.pkg 1037 + " is ASEC-hosted -> AVAILABLE"); 1038 } 1039 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1040 ArrayList<String> pkgList = new ArrayList<String>(1); 1041 pkgList.add(res.pkg.applicationInfo.packageName); 1042 sendResourcesChangedBroadcast(true, true, 1043 pkgList,uidArray, null); 1044 } 1045 } 1046 if (res.removedInfo.args != null) { 1047 // Remove the replaced package's older resources safely now 1048 deleteOld = true; 1049 } 1050 1051 // Log current value of "unknown sources" setting 1052 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1053 getUnknownSourcesSettings()); 1054 } 1055 // Force a gc to clear up things 1056 Runtime.getRuntime().gc(); 1057 // We delete after a gc for applications on sdcard. 1058 if (deleteOld) { 1059 synchronized (mInstallLock) { 1060 res.removedInfo.args.doPostDeleteLI(true); 1061 } 1062 } 1063 if (args.observer != null) { 1064 try { 1065 Bundle extras = extrasForInstallResult(res); 1066 args.observer.onPackageInstalled(res.name, res.returnCode, 1067 res.returnMsg, extras); 1068 } catch (RemoteException e) { 1069 Slog.i(TAG, "Observer no longer exists."); 1070 } 1071 } 1072 } else { 1073 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1074 } 1075 } break; 1076 case UPDATED_MEDIA_STATUS: { 1077 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1078 boolean reportStatus = msg.arg1 == 1; 1079 boolean doGc = msg.arg2 == 1; 1080 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1081 if (doGc) { 1082 // Force a gc to clear up stale containers. 1083 Runtime.getRuntime().gc(); 1084 } 1085 if (msg.obj != null) { 1086 @SuppressWarnings("unchecked") 1087 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1088 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1089 // Unload containers 1090 unloadAllContainers(args); 1091 } 1092 if (reportStatus) { 1093 try { 1094 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1095 PackageHelper.getMountService().finishMediaUpdate(); 1096 } catch (RemoteException e) { 1097 Log.e(TAG, "MountService not running?"); 1098 } 1099 } 1100 } break; 1101 case WRITE_SETTINGS: { 1102 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1103 synchronized (mPackages) { 1104 removeMessages(WRITE_SETTINGS); 1105 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1106 mSettings.writeLPr(); 1107 mDirtyUsers.clear(); 1108 } 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1110 } break; 1111 case WRITE_PACKAGE_RESTRICTIONS: { 1112 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1113 synchronized (mPackages) { 1114 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1115 for (int userId : mDirtyUsers) { 1116 mSettings.writePackageRestrictionsLPr(userId); 1117 } 1118 mDirtyUsers.clear(); 1119 } 1120 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1121 } break; 1122 case CHECK_PENDING_VERIFICATION: { 1123 final int verificationId = msg.arg1; 1124 final PackageVerificationState state = mPendingVerification.get(verificationId); 1125 1126 if ((state != null) && !state.timeoutExtended()) { 1127 final InstallArgs args = state.getInstallArgs(); 1128 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1129 1130 Slog.i(TAG, "Verification timed out for " + originUri); 1131 mPendingVerification.remove(verificationId); 1132 1133 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1134 1135 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1136 Slog.i(TAG, "Continuing with installation of " + originUri); 1137 state.setVerifierResponse(Binder.getCallingUid(), 1138 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1139 broadcastPackageVerified(verificationId, originUri, 1140 PackageManager.VERIFICATION_ALLOW, 1141 state.getInstallArgs().getUser()); 1142 try { 1143 ret = args.copyApk(mContainerService, true); 1144 } catch (RemoteException e) { 1145 Slog.e(TAG, "Could not contact the ContainerService"); 1146 } 1147 } else { 1148 broadcastPackageVerified(verificationId, originUri, 1149 PackageManager.VERIFICATION_REJECT, 1150 state.getInstallArgs().getUser()); 1151 } 1152 1153 processPendingInstall(args, ret); 1154 mHandler.sendEmptyMessage(MCS_UNBIND); 1155 } 1156 break; 1157 } 1158 case PACKAGE_VERIFIED: { 1159 final int verificationId = msg.arg1; 1160 1161 final PackageVerificationState state = mPendingVerification.get(verificationId); 1162 if (state == null) { 1163 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1164 break; 1165 } 1166 1167 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1168 1169 state.setVerifierResponse(response.callerUid, response.code); 1170 1171 if (state.isVerificationComplete()) { 1172 mPendingVerification.remove(verificationId); 1173 1174 final InstallArgs args = state.getInstallArgs(); 1175 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1176 1177 int ret; 1178 if (state.isInstallAllowed()) { 1179 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1180 broadcastPackageVerified(verificationId, originUri, 1181 response.code, state.getInstallArgs().getUser()); 1182 try { 1183 ret = args.copyApk(mContainerService, true); 1184 } catch (RemoteException e) { 1185 Slog.e(TAG, "Could not contact the ContainerService"); 1186 } 1187 } else { 1188 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1189 } 1190 1191 processPendingInstall(args, ret); 1192 1193 mHandler.sendEmptyMessage(MCS_UNBIND); 1194 } 1195 1196 break; 1197 } 1198 } 1199 } 1200 } 1201 1202 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1203 Bundle extras = null; 1204 switch (res.returnCode) { 1205 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1206 extras = new Bundle(); 1207 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1208 res.origPermission); 1209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1210 res.origPackage); 1211 break; 1212 } 1213 } 1214 return extras; 1215 } 1216 1217 void scheduleWriteSettingsLocked() { 1218 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1219 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1220 } 1221 } 1222 1223 void scheduleWritePackageRestrictionsLocked(int userId) { 1224 if (!sUserManager.exists(userId)) return; 1225 mDirtyUsers.add(userId); 1226 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1227 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1228 } 1229 } 1230 1231 public static final PackageManagerService main(Context context, Installer installer, 1232 boolean factoryTest, boolean onlyCore) { 1233 PackageManagerService m = new PackageManagerService(context, installer, 1234 factoryTest, onlyCore); 1235 ServiceManager.addService("package", m); 1236 return m; 1237 } 1238 1239 static String[] splitString(String str, char sep) { 1240 int count = 1; 1241 int i = 0; 1242 while ((i=str.indexOf(sep, i)) >= 0) { 1243 count++; 1244 i++; 1245 } 1246 1247 String[] res = new String[count]; 1248 i=0; 1249 count = 0; 1250 int lastI=0; 1251 while ((i=str.indexOf(sep, i)) >= 0) { 1252 res[count] = str.substring(lastI, i); 1253 count++; 1254 i++; 1255 lastI = i; 1256 } 1257 res[count] = str.substring(lastI, str.length()); 1258 return res; 1259 } 1260 1261 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1262 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1263 Context.DISPLAY_SERVICE); 1264 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1265 } 1266 1267 public PackageManagerService(Context context, Installer installer, 1268 boolean factoryTest, boolean onlyCore) { 1269 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1270 SystemClock.uptimeMillis()); 1271 1272 if (mSdkVersion <= 0) { 1273 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1274 } 1275 1276 mContext = context; 1277 mFactoryTest = factoryTest; 1278 mOnlyCore = onlyCore; 1279 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1280 mMetrics = new DisplayMetrics(); 1281 mSettings = new Settings(context); 1282 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1283 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1284 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1285 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1286 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 1295 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1296 if (separateProcesses != null && separateProcesses.length() > 0) { 1297 if ("*".equals(separateProcesses)) { 1298 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1299 mSeparateProcesses = null; 1300 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1301 } else { 1302 mDefParseFlags = 0; 1303 mSeparateProcesses = separateProcesses.split(","); 1304 Slog.w(TAG, "Running with debug.separate_processes: " 1305 + separateProcesses); 1306 } 1307 } else { 1308 mDefParseFlags = 0; 1309 mSeparateProcesses = null; 1310 } 1311 1312 mInstaller = installer; 1313 1314 getDefaultDisplayMetrics(context, mMetrics); 1315 1316 SystemConfig systemConfig = SystemConfig.getInstance(); 1317 mGlobalGids = systemConfig.getGlobalGids(); 1318 mSystemPermissions = systemConfig.getSystemPermissions(); 1319 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1320 1321 synchronized (mInstallLock) { 1322 // writer 1323 synchronized (mPackages) { 1324 mHandlerThread = new ServiceThread(TAG, 1325 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1326 mHandlerThread.start(); 1327 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1328 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1329 1330 File dataDir = Environment.getDataDirectory(); 1331 mAppDataDir = new File(dataDir, "data"); 1332 mAppInstallDir = new File(dataDir, "app"); 1333 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1334 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1335 mUserAppDataDir = new File(dataDir, "user"); 1336 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1337 1338 sUserManager = new UserManagerService(context, this, 1339 mInstallLock, mPackages); 1340 1341 // Propagate permission configuration in to package manager. 1342 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1343 = systemConfig.getPermissions(); 1344 for (int i=0; i<permConfig.size(); i++) { 1345 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1346 BasePermission bp = mSettings.mPermissions.get(perm.name); 1347 if (bp == null) { 1348 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1349 mSettings.mPermissions.put(perm.name, bp); 1350 } 1351 if (perm.gids != null) { 1352 bp.gids = appendInts(bp.gids, perm.gids); 1353 } 1354 } 1355 1356 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1357 for (int i=0; i<libConfig.size(); i++) { 1358 mSharedLibraries.put(libConfig.keyAt(i), 1359 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1360 } 1361 1362 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1363 1364 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1365 mSdkVersion, mOnlyCore); 1366 1367 String customResolverActivity = Resources.getSystem().getString( 1368 R.string.config_customResolverActivity); 1369 if (TextUtils.isEmpty(customResolverActivity)) { 1370 customResolverActivity = null; 1371 } else { 1372 mCustomResolverComponentName = ComponentName.unflattenFromString( 1373 customResolverActivity); 1374 } 1375 1376 long startTime = SystemClock.uptimeMillis(); 1377 1378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1379 startTime); 1380 1381 // Set flag to monitor and not change apk file paths when 1382 // scanning install directories. 1383 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1384 1385 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1386 1387 /** 1388 * Add everything in the in the boot class path to the 1389 * list of process files because dexopt will have been run 1390 * if necessary during zygote startup. 1391 */ 1392 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1393 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1394 1395 if (bootClassPath != null) { 1396 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1397 for (String element : bootClassPathElements) { 1398 alreadyDexOpted.add(element); 1399 } 1400 } else { 1401 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1402 } 1403 1404 if (systemServerClassPath != null) { 1405 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1406 for (String element : systemServerClassPathElements) { 1407 alreadyDexOpted.add(element); 1408 } 1409 } else { 1410 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1411 } 1412 1413 boolean didDexOptLibraryOrTool = false; 1414 1415 final List<String> allInstructionSets = getAllInstructionSets(); 1416 final String[] dexCodeInstructionSets = 1417 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1418 1419 /** 1420 * Ensure all external libraries have had dexopt run on them. 1421 */ 1422 if (mSharedLibraries.size() > 0) { 1423 // NOTE: For now, we're compiling these system "shared libraries" 1424 // (and framework jars) into all available architectures. It's possible 1425 // to compile them only when we come across an app that uses them (there's 1426 // already logic for that in scanPackageLI) but that adds some complexity. 1427 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1428 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1429 final String lib = libEntry.path; 1430 if (lib == null) { 1431 continue; 1432 } 1433 1434 try { 1435 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1436 dexCodeInstructionSet, 1437 false); 1438 if (dexoptRequired != DexFile.UP_TO_DATE) { 1439 alreadyDexOpted.add(lib); 1440 1441 // The list of "shared libraries" we have at this point is 1442 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1443 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1444 } else { 1445 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1446 } 1447 didDexOptLibraryOrTool = true; 1448 } 1449 } catch (FileNotFoundException e) { 1450 Slog.w(TAG, "Library not found: " + lib); 1451 } catch (IOException e) { 1452 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1453 + e.getMessage()); 1454 } 1455 } 1456 } 1457 } 1458 1459 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1460 1461 // Gross hack for now: we know this file doesn't contain any 1462 // code, so don't dexopt it to avoid the resulting log spew. 1463 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1464 1465 // Gross hack for now: we know this file is only part of 1466 // the boot class path for art, so don't dexopt it to 1467 // avoid the resulting log spew. 1468 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1469 1470 /** 1471 * And there are a number of commands implemented in Java, which 1472 * we currently need to do the dexopt on so that they can be 1473 * run from a non-root shell. 1474 */ 1475 String[] frameworkFiles = frameworkDir.list(); 1476 if (frameworkFiles != null) { 1477 // TODO: We could compile these only for the most preferred ABI. We should 1478 // first double check that the dex files for these commands are not referenced 1479 // by other system apps. 1480 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1481 for (int i=0; i<frameworkFiles.length; i++) { 1482 File libPath = new File(frameworkDir, frameworkFiles[i]); 1483 String path = libPath.getPath(); 1484 // Skip the file if we already did it. 1485 if (alreadyDexOpted.contains(path)) { 1486 continue; 1487 } 1488 // Skip the file if it is not a type we want to dexopt. 1489 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1490 continue; 1491 } 1492 try { 1493 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1494 dexCodeInstructionSet, 1495 false); 1496 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1497 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1498 didDexOptLibraryOrTool = true; 1499 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1500 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1501 didDexOptLibraryOrTool = true; 1502 } 1503 } catch (FileNotFoundException e) { 1504 Slog.w(TAG, "Jar not found: " + path); 1505 } catch (IOException e) { 1506 Slog.w(TAG, "Exception reading jar: " + path, e); 1507 } 1508 } 1509 } 1510 } 1511 1512 // Collect vendor overlay packages. 1513 // (Do this before scanning any apps.) 1514 // For security and version matching reason, only consider 1515 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1516 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1517 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1518 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1519 1520 // Find base frameworks (resource packages without code). 1521 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1522 | PackageParser.PARSE_IS_SYSTEM_DIR 1523 | PackageParser.PARSE_IS_PRIVILEGED, 1524 scanFlags | SCAN_NO_DEX, 0); 1525 1526 // Collected privileged system packages. 1527 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1528 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1529 | PackageParser.PARSE_IS_SYSTEM_DIR 1530 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1531 1532 // Collect ordinary system packages. 1533 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1534 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1535 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1536 1537 // Collect all vendor packages. 1538 File vendorAppDir = new File("/vendor/app"); 1539 try { 1540 vendorAppDir = vendorAppDir.getCanonicalFile(); 1541 } catch (IOException e) { 1542 // failed to look up canonical path, continue with original one 1543 } 1544 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1546 1547 // Collect all OEM packages. 1548 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1549 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1550 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1551 1552 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1553 mInstaller.moveFiles(); 1554 1555 // Prune any system packages that no longer exist. 1556 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1557 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1558 if (!mOnlyCore) { 1559 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1560 while (psit.hasNext()) { 1561 PackageSetting ps = psit.next(); 1562 1563 /* 1564 * If this is not a system app, it can't be a 1565 * disable system app. 1566 */ 1567 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1568 continue; 1569 } 1570 1571 /* 1572 * If the package is scanned, it's not erased. 1573 */ 1574 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1575 if (scannedPkg != null) { 1576 /* 1577 * If the system app is both scanned and in the 1578 * disabled packages list, then it must have been 1579 * added via OTA. Remove it from the currently 1580 * scanned package so the previously user-installed 1581 * application can be scanned. 1582 */ 1583 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1584 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1585 + ps.name + "; removing system app. Last known codePath=" 1586 + ps.codePathString + ", installStatus=" + ps.installStatus 1587 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1588 + scannedPkg.mVersionCode); 1589 removePackageLI(ps, true); 1590 expectingBetter.put(ps.name, ps.codePath); 1591 } 1592 1593 continue; 1594 } 1595 1596 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1597 psit.remove(); 1598 logCriticalInfo(Log.WARN, "System package " + ps.name 1599 + " no longer exists; wiping its data"); 1600 removeDataDirsLI(ps.name); 1601 } else { 1602 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1603 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1604 possiblyDeletedUpdatedSystemApps.add(ps.name); 1605 } 1606 } 1607 } 1608 } 1609 1610 //look for any incomplete package installations 1611 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1612 //clean up list 1613 for(int i = 0; i < deletePkgsList.size(); i++) { 1614 //clean up here 1615 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1616 } 1617 //delete tmp files 1618 deleteTempPackageFiles(); 1619 1620 // Remove any shared userIDs that have no associated packages 1621 mSettings.pruneSharedUsersLPw(); 1622 1623 if (!mOnlyCore) { 1624 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1625 SystemClock.uptimeMillis()); 1626 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1627 1628 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1629 scanFlags, 0); 1630 1631 /** 1632 * Remove disable package settings for any updated system 1633 * apps that were removed via an OTA. If they're not a 1634 * previously-updated app, remove them completely. 1635 * Otherwise, just revoke their system-level permissions. 1636 */ 1637 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1638 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1639 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1640 1641 String msg; 1642 if (deletedPkg == null) { 1643 msg = "Updated system package " + deletedAppName 1644 + " no longer exists; wiping its data"; 1645 removeDataDirsLI(deletedAppName); 1646 } else { 1647 msg = "Updated system app + " + deletedAppName 1648 + " no longer present; removing system privileges for " 1649 + deletedAppName; 1650 1651 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1652 1653 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1654 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1655 } 1656 logCriticalInfo(Log.WARN, msg); 1657 } 1658 1659 /** 1660 * Make sure all system apps that we expected to appear on 1661 * the userdata partition actually showed up. If they never 1662 * appeared, crawl back and revive the system version. 1663 */ 1664 for (int i = 0; i < expectingBetter.size(); i++) { 1665 final String packageName = expectingBetter.keyAt(i); 1666 if (!mPackages.containsKey(packageName)) { 1667 final File scanFile = expectingBetter.valueAt(i); 1668 1669 logCriticalInfo(Log.WARN, "Expected better " + packageName 1670 + " but never showed up; reverting to system"); 1671 1672 final int reparseFlags; 1673 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1674 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1675 | PackageParser.PARSE_IS_SYSTEM_DIR 1676 | PackageParser.PARSE_IS_PRIVILEGED; 1677 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1678 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1679 | PackageParser.PARSE_IS_SYSTEM_DIR; 1680 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1681 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1682 | PackageParser.PARSE_IS_SYSTEM_DIR; 1683 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1684 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1685 | PackageParser.PARSE_IS_SYSTEM_DIR; 1686 } else { 1687 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1688 continue; 1689 } 1690 1691 mSettings.enableSystemPackageLPw(packageName); 1692 1693 try { 1694 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1695 } catch (PackageManagerException e) { 1696 Slog.e(TAG, "Failed to parse original system package: " 1697 + e.getMessage()); 1698 } 1699 } 1700 } 1701 } 1702 1703 // Now that we know all of the shared libraries, update all clients to have 1704 // the correct library paths. 1705 updateAllSharedLibrariesLPw(); 1706 1707 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1708 // NOTE: We ignore potential failures here during a system scan (like 1709 // the rest of the commands above) because there's precious little we 1710 // can do about it. A settings error is reported, though. 1711 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1712 false /* force dexopt */, false /* defer dexopt */); 1713 } 1714 1715 // Now that we know all the packages we are keeping, 1716 // read and update their last usage times. 1717 mPackageUsage.readLP(); 1718 1719 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1720 SystemClock.uptimeMillis()); 1721 Slog.i(TAG, "Time to scan packages: " 1722 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1723 + " seconds"); 1724 1725 // If the platform SDK has changed since the last time we booted, 1726 // we need to re-grant app permission to catch any new ones that 1727 // appear. This is really a hack, and means that apps can in some 1728 // cases get permissions that the user didn't initially explicitly 1729 // allow... it would be nice to have some better way to handle 1730 // this situation. 1731 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1732 != mSdkVersion; 1733 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1734 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1735 + "; regranting permissions for internal storage"); 1736 mSettings.mInternalSdkPlatform = mSdkVersion; 1737 1738 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1739 | (regrantPermissions 1740 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1741 : 0)); 1742 1743 // If this is the first boot, and it is a normal boot, then 1744 // we need to initialize the default preferred apps. 1745 if (!mRestoredSettings && !onlyCore) { 1746 mSettings.readDefaultPreferredAppsLPw(this, 0); 1747 } 1748 1749 // If this is first boot after an OTA, and a normal boot, then 1750 // we need to clear code cache directories. 1751 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1752 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1753 for (String pkgName : mSettings.mPackages.keySet()) { 1754 deleteCodeCacheDirsLI(pkgName); 1755 } 1756 mSettings.mFingerprint = Build.FINGERPRINT; 1757 } 1758 1759 // All the changes are done during package scanning. 1760 mSettings.updateInternalDatabaseVersion(); 1761 1762 // can downgrade to reader 1763 mSettings.writeLPr(); 1764 1765 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1766 SystemClock.uptimeMillis()); 1767 1768 1769 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1770 } // synchronized (mPackages) 1771 } // synchronized (mInstallLock) 1772 1773 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1774 1775 // Now after opening every single application zip, make sure they 1776 // are all flushed. Not really needed, but keeps things nice and 1777 // tidy. 1778 Runtime.getRuntime().gc(); 1779 } 1780 1781 @Override 1782 public boolean isFirstBoot() { 1783 return !mRestoredSettings; 1784 } 1785 1786 @Override 1787 public boolean isOnlyCoreApps() { 1788 return mOnlyCore; 1789 } 1790 1791 private String getRequiredVerifierLPr() { 1792 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1793 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1794 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1795 1796 String requiredVerifier = null; 1797 1798 final int N = receivers.size(); 1799 for (int i = 0; i < N; i++) { 1800 final ResolveInfo info = receivers.get(i); 1801 1802 if (info.activityInfo == null) { 1803 continue; 1804 } 1805 1806 final String packageName = info.activityInfo.packageName; 1807 1808 final PackageSetting ps = mSettings.mPackages.get(packageName); 1809 if (ps == null) { 1810 continue; 1811 } 1812 1813 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1814 if (!gp.grantedPermissions 1815 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1816 continue; 1817 } 1818 1819 if (requiredVerifier != null) { 1820 throw new RuntimeException("There can be only one required verifier"); 1821 } 1822 1823 requiredVerifier = packageName; 1824 } 1825 1826 return requiredVerifier; 1827 } 1828 1829 @Override 1830 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1831 throws RemoteException { 1832 try { 1833 return super.onTransact(code, data, reply, flags); 1834 } catch (RuntimeException e) { 1835 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1836 Slog.wtf(TAG, "Package Manager Crash", e); 1837 } 1838 throw e; 1839 } 1840 } 1841 1842 void cleanupInstallFailedPackage(PackageSetting ps) { 1843 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1844 1845 removeDataDirsLI(ps.name); 1846 if (ps.codePath != null) { 1847 if (ps.codePath.isDirectory()) { 1848 FileUtils.deleteContents(ps.codePath); 1849 } 1850 ps.codePath.delete(); 1851 } 1852 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1853 if (ps.resourcePath.isDirectory()) { 1854 FileUtils.deleteContents(ps.resourcePath); 1855 } 1856 ps.resourcePath.delete(); 1857 } 1858 mSettings.removePackageLPw(ps.name); 1859 } 1860 1861 static int[] appendInts(int[] cur, int[] add) { 1862 if (add == null) return cur; 1863 if (cur == null) return add; 1864 final int N = add.length; 1865 for (int i=0; i<N; i++) { 1866 cur = appendInt(cur, add[i]); 1867 } 1868 return cur; 1869 } 1870 1871 static int[] removeInts(int[] cur, int[] rem) { 1872 if (rem == null) return cur; 1873 if (cur == null) return cur; 1874 final int N = rem.length; 1875 for (int i=0; i<N; i++) { 1876 cur = removeInt(cur, rem[i]); 1877 } 1878 return cur; 1879 } 1880 1881 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1882 if (!sUserManager.exists(userId)) return null; 1883 final PackageSetting ps = (PackageSetting) p.mExtras; 1884 if (ps == null) { 1885 return null; 1886 } 1887 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1888 final PackageUserState state = ps.readUserState(userId); 1889 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1890 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1891 state, userId); 1892 } 1893 1894 @Override 1895 public boolean isPackageAvailable(String packageName, int userId) { 1896 if (!sUserManager.exists(userId)) return false; 1897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1898 synchronized (mPackages) { 1899 PackageParser.Package p = mPackages.get(packageName); 1900 if (p != null) { 1901 final PackageSetting ps = (PackageSetting) p.mExtras; 1902 if (ps != null) { 1903 final PackageUserState state = ps.readUserState(userId); 1904 if (state != null) { 1905 return PackageParser.isAvailable(state); 1906 } 1907 } 1908 } 1909 } 1910 return false; 1911 } 1912 1913 @Override 1914 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1915 if (!sUserManager.exists(userId)) return null; 1916 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1917 // reader 1918 synchronized (mPackages) { 1919 PackageParser.Package p = mPackages.get(packageName); 1920 if (DEBUG_PACKAGE_INFO) 1921 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1922 if (p != null) { 1923 return generatePackageInfo(p, flags, userId); 1924 } 1925 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1926 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1927 } 1928 } 1929 return null; 1930 } 1931 1932 @Override 1933 public String[] currentToCanonicalPackageNames(String[] names) { 1934 String[] out = new String[names.length]; 1935 // reader 1936 synchronized (mPackages) { 1937 for (int i=names.length-1; i>=0; i--) { 1938 PackageSetting ps = mSettings.mPackages.get(names[i]); 1939 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1940 } 1941 } 1942 return out; 1943 } 1944 1945 @Override 1946 public String[] canonicalToCurrentPackageNames(String[] names) { 1947 String[] out = new String[names.length]; 1948 // reader 1949 synchronized (mPackages) { 1950 for (int i=names.length-1; i>=0; i--) { 1951 String cur = mSettings.mRenamedPackages.get(names[i]); 1952 out[i] = cur != null ? cur : names[i]; 1953 } 1954 } 1955 return out; 1956 } 1957 1958 @Override 1959 public int getPackageUid(String packageName, int userId) { 1960 if (!sUserManager.exists(userId)) return -1; 1961 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1962 // reader 1963 synchronized (mPackages) { 1964 PackageParser.Package p = mPackages.get(packageName); 1965 if(p != null) { 1966 return UserHandle.getUid(userId, p.applicationInfo.uid); 1967 } 1968 PackageSetting ps = mSettings.mPackages.get(packageName); 1969 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1970 return -1; 1971 } 1972 p = ps.pkg; 1973 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1974 } 1975 } 1976 1977 @Override 1978 public int[] getPackageGids(String packageName) { 1979 // reader 1980 synchronized (mPackages) { 1981 PackageParser.Package p = mPackages.get(packageName); 1982 if (DEBUG_PACKAGE_INFO) 1983 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1984 if (p != null) { 1985 final PackageSetting ps = (PackageSetting)p.mExtras; 1986 return ps.getGids(); 1987 } 1988 } 1989 // stupid thing to indicate an error. 1990 return new int[0]; 1991 } 1992 1993 static final PermissionInfo generatePermissionInfo( 1994 BasePermission bp, int flags) { 1995 if (bp.perm != null) { 1996 return PackageParser.generatePermissionInfo(bp.perm, flags); 1997 } 1998 PermissionInfo pi = new PermissionInfo(); 1999 pi.name = bp.name; 2000 pi.packageName = bp.sourcePackage; 2001 pi.nonLocalizedLabel = bp.name; 2002 pi.protectionLevel = bp.protectionLevel; 2003 return pi; 2004 } 2005 2006 @Override 2007 public PermissionInfo getPermissionInfo(String name, int flags) { 2008 // reader 2009 synchronized (mPackages) { 2010 final BasePermission p = mSettings.mPermissions.get(name); 2011 if (p != null) { 2012 return generatePermissionInfo(p, flags); 2013 } 2014 return null; 2015 } 2016 } 2017 2018 @Override 2019 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2020 // reader 2021 synchronized (mPackages) { 2022 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2023 for (BasePermission p : mSettings.mPermissions.values()) { 2024 if (group == null) { 2025 if (p.perm == null || p.perm.info.group == null) { 2026 out.add(generatePermissionInfo(p, flags)); 2027 } 2028 } else { 2029 if (p.perm != null && group.equals(p.perm.info.group)) { 2030 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2031 } 2032 } 2033 } 2034 2035 if (out.size() > 0) { 2036 return out; 2037 } 2038 return mPermissionGroups.containsKey(group) ? out : null; 2039 } 2040 } 2041 2042 @Override 2043 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2044 // reader 2045 synchronized (mPackages) { 2046 return PackageParser.generatePermissionGroupInfo( 2047 mPermissionGroups.get(name), flags); 2048 } 2049 } 2050 2051 @Override 2052 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2053 // reader 2054 synchronized (mPackages) { 2055 final int N = mPermissionGroups.size(); 2056 ArrayList<PermissionGroupInfo> out 2057 = new ArrayList<PermissionGroupInfo>(N); 2058 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2059 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2060 } 2061 return out; 2062 } 2063 } 2064 2065 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2066 int userId) { 2067 if (!sUserManager.exists(userId)) return null; 2068 PackageSetting ps = mSettings.mPackages.get(packageName); 2069 if (ps != null) { 2070 if (ps.pkg == null) { 2071 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2072 flags, userId); 2073 if (pInfo != null) { 2074 return pInfo.applicationInfo; 2075 } 2076 return null; 2077 } 2078 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2079 ps.readUserState(userId), userId); 2080 } 2081 return null; 2082 } 2083 2084 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2085 int userId) { 2086 if (!sUserManager.exists(userId)) return null; 2087 PackageSetting ps = mSettings.mPackages.get(packageName); 2088 if (ps != null) { 2089 PackageParser.Package pkg = ps.pkg; 2090 if (pkg == null) { 2091 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2092 return null; 2093 } 2094 // Only data remains, so we aren't worried about code paths 2095 pkg = new PackageParser.Package(packageName); 2096 pkg.applicationInfo.packageName = packageName; 2097 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2098 pkg.applicationInfo.dataDir = 2099 getDataPathForPackage(packageName, 0).getPath(); 2100 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2101 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2102 } 2103 return generatePackageInfo(pkg, flags, userId); 2104 } 2105 return null; 2106 } 2107 2108 @Override 2109 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2110 if (!sUserManager.exists(userId)) return null; 2111 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2112 // writer 2113 synchronized (mPackages) { 2114 PackageParser.Package p = mPackages.get(packageName); 2115 if (DEBUG_PACKAGE_INFO) Log.v( 2116 TAG, "getApplicationInfo " + packageName 2117 + ": " + p); 2118 if (p != null) { 2119 PackageSetting ps = mSettings.mPackages.get(packageName); 2120 if (ps == null) return null; 2121 // Note: isEnabledLP() does not apply here - always return info 2122 return PackageParser.generateApplicationInfo( 2123 p, flags, ps.readUserState(userId), userId); 2124 } 2125 if ("android".equals(packageName)||"system".equals(packageName)) { 2126 return mAndroidApplication; 2127 } 2128 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2129 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2130 } 2131 } 2132 return null; 2133 } 2134 2135 2136 @Override 2137 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2138 mContext.enforceCallingOrSelfPermission( 2139 android.Manifest.permission.CLEAR_APP_CACHE, null); 2140 // Queue up an async operation since clearing cache may take a little while. 2141 mHandler.post(new Runnable() { 2142 public void run() { 2143 mHandler.removeCallbacks(this); 2144 int retCode = -1; 2145 synchronized (mInstallLock) { 2146 retCode = mInstaller.freeCache(freeStorageSize); 2147 if (retCode < 0) { 2148 Slog.w(TAG, "Couldn't clear application caches"); 2149 } 2150 } 2151 if (observer != null) { 2152 try { 2153 observer.onRemoveCompleted(null, (retCode >= 0)); 2154 } catch (RemoteException e) { 2155 Slog.w(TAG, "RemoveException when invoking call back"); 2156 } 2157 } 2158 } 2159 }); 2160 } 2161 2162 @Override 2163 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2164 mContext.enforceCallingOrSelfPermission( 2165 android.Manifest.permission.CLEAR_APP_CACHE, null); 2166 // Queue up an async operation since clearing cache may take a little while. 2167 mHandler.post(new Runnable() { 2168 public void run() { 2169 mHandler.removeCallbacks(this); 2170 int retCode = -1; 2171 synchronized (mInstallLock) { 2172 retCode = mInstaller.freeCache(freeStorageSize); 2173 if (retCode < 0) { 2174 Slog.w(TAG, "Couldn't clear application caches"); 2175 } 2176 } 2177 if(pi != null) { 2178 try { 2179 // Callback via pending intent 2180 int code = (retCode >= 0) ? 1 : 0; 2181 pi.sendIntent(null, code, null, 2182 null, null); 2183 } catch (SendIntentException e1) { 2184 Slog.i(TAG, "Failed to send pending intent"); 2185 } 2186 } 2187 } 2188 }); 2189 } 2190 2191 void freeStorage(long freeStorageSize) throws IOException { 2192 synchronized (mInstallLock) { 2193 if (mInstaller.freeCache(freeStorageSize) < 0) { 2194 throw new IOException("Failed to free enough space"); 2195 } 2196 } 2197 } 2198 2199 @Override 2200 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2201 if (!sUserManager.exists(userId)) return null; 2202 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2203 synchronized (mPackages) { 2204 PackageParser.Activity a = mActivities.mActivities.get(component); 2205 2206 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2207 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2208 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2209 if (ps == null) return null; 2210 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2211 userId); 2212 } 2213 if (mResolveComponentName.equals(component)) { 2214 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2215 new PackageUserState(), userId); 2216 } 2217 } 2218 return null; 2219 } 2220 2221 @Override 2222 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2223 String resolvedType) { 2224 synchronized (mPackages) { 2225 PackageParser.Activity a = mActivities.mActivities.get(component); 2226 if (a == null) { 2227 return false; 2228 } 2229 for (int i=0; i<a.intents.size(); i++) { 2230 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2231 intent.getData(), intent.getCategories(), TAG) >= 0) { 2232 return true; 2233 } 2234 } 2235 return false; 2236 } 2237 } 2238 2239 @Override 2240 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2241 if (!sUserManager.exists(userId)) return null; 2242 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2243 synchronized (mPackages) { 2244 PackageParser.Activity a = mReceivers.mActivities.get(component); 2245 if (DEBUG_PACKAGE_INFO) Log.v( 2246 TAG, "getReceiverInfo " + component + ": " + a); 2247 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2248 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2249 if (ps == null) return null; 2250 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2251 userId); 2252 } 2253 } 2254 return null; 2255 } 2256 2257 @Override 2258 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2259 if (!sUserManager.exists(userId)) return null; 2260 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2261 synchronized (mPackages) { 2262 PackageParser.Service s = mServices.mServices.get(component); 2263 if (DEBUG_PACKAGE_INFO) Log.v( 2264 TAG, "getServiceInfo " + component + ": " + s); 2265 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2266 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2267 if (ps == null) return null; 2268 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2269 userId); 2270 } 2271 } 2272 return null; 2273 } 2274 2275 @Override 2276 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2277 if (!sUserManager.exists(userId)) return null; 2278 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2279 synchronized (mPackages) { 2280 PackageParser.Provider p = mProviders.mProviders.get(component); 2281 if (DEBUG_PACKAGE_INFO) Log.v( 2282 TAG, "getProviderInfo " + component + ": " + p); 2283 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2284 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2285 if (ps == null) return null; 2286 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2287 userId); 2288 } 2289 } 2290 return null; 2291 } 2292 2293 @Override 2294 public String[] getSystemSharedLibraryNames() { 2295 Set<String> libSet; 2296 synchronized (mPackages) { 2297 libSet = mSharedLibraries.keySet(); 2298 int size = libSet.size(); 2299 if (size > 0) { 2300 String[] libs = new String[size]; 2301 libSet.toArray(libs); 2302 return libs; 2303 } 2304 } 2305 return null; 2306 } 2307 2308 @Override 2309 public FeatureInfo[] getSystemAvailableFeatures() { 2310 Collection<FeatureInfo> featSet; 2311 synchronized (mPackages) { 2312 featSet = mAvailableFeatures.values(); 2313 int size = featSet.size(); 2314 if (size > 0) { 2315 FeatureInfo[] features = new FeatureInfo[size+1]; 2316 featSet.toArray(features); 2317 FeatureInfo fi = new FeatureInfo(); 2318 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2319 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2320 features[size] = fi; 2321 return features; 2322 } 2323 } 2324 return null; 2325 } 2326 2327 @Override 2328 public boolean hasSystemFeature(String name) { 2329 synchronized (mPackages) { 2330 return mAvailableFeatures.containsKey(name); 2331 } 2332 } 2333 2334 private void checkValidCaller(int uid, int userId) { 2335 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2336 return; 2337 2338 throw new SecurityException("Caller uid=" + uid 2339 + " is not privileged to communicate with user=" + userId); 2340 } 2341 2342 @Override 2343 public int checkPermission(String permName, String pkgName) { 2344 synchronized (mPackages) { 2345 PackageParser.Package p = mPackages.get(pkgName); 2346 if (p != null && p.mExtras != null) { 2347 PackageSetting ps = (PackageSetting)p.mExtras; 2348 if (ps.sharedUser != null) { 2349 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2350 return PackageManager.PERMISSION_GRANTED; 2351 } 2352 } else if (ps.grantedPermissions.contains(permName)) { 2353 return PackageManager.PERMISSION_GRANTED; 2354 } 2355 } 2356 } 2357 return PackageManager.PERMISSION_DENIED; 2358 } 2359 2360 @Override 2361 public int checkUidPermission(String permName, int uid) { 2362 synchronized (mPackages) { 2363 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2364 if (obj != null) { 2365 GrantedPermissions gp = (GrantedPermissions)obj; 2366 if (gp.grantedPermissions.contains(permName)) { 2367 return PackageManager.PERMISSION_GRANTED; 2368 } 2369 } else { 2370 ArraySet<String> perms = mSystemPermissions.get(uid); 2371 if (perms != null && perms.contains(permName)) { 2372 return PackageManager.PERMISSION_GRANTED; 2373 } 2374 } 2375 } 2376 return PackageManager.PERMISSION_DENIED; 2377 } 2378 2379 /** 2380 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2381 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2382 * @param checkShell TODO(yamasani): 2383 * @param message the message to log on security exception 2384 */ 2385 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2386 boolean checkShell, String message) { 2387 if (userId < 0) { 2388 throw new IllegalArgumentException("Invalid userId " + userId); 2389 } 2390 if (checkShell) { 2391 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2392 } 2393 if (userId == UserHandle.getUserId(callingUid)) return; 2394 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2395 if (requireFullPermission) { 2396 mContext.enforceCallingOrSelfPermission( 2397 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2398 } else { 2399 try { 2400 mContext.enforceCallingOrSelfPermission( 2401 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2402 } catch (SecurityException se) { 2403 mContext.enforceCallingOrSelfPermission( 2404 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2405 } 2406 } 2407 } 2408 } 2409 2410 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2411 if (callingUid == Process.SHELL_UID) { 2412 if (userHandle >= 0 2413 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2414 throw new SecurityException("Shell does not have permission to access user " 2415 + userHandle); 2416 } else if (userHandle < 0) { 2417 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2418 + Debug.getCallers(3)); 2419 } 2420 } 2421 } 2422 2423 private BasePermission findPermissionTreeLP(String permName) { 2424 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2425 if (permName.startsWith(bp.name) && 2426 permName.length() > bp.name.length() && 2427 permName.charAt(bp.name.length()) == '.') { 2428 return bp; 2429 } 2430 } 2431 return null; 2432 } 2433 2434 private BasePermission checkPermissionTreeLP(String permName) { 2435 if (permName != null) { 2436 BasePermission bp = findPermissionTreeLP(permName); 2437 if (bp != null) { 2438 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2439 return bp; 2440 } 2441 throw new SecurityException("Calling uid " 2442 + Binder.getCallingUid() 2443 + " is not allowed to add to permission tree " 2444 + bp.name + " owned by uid " + bp.uid); 2445 } 2446 } 2447 throw new SecurityException("No permission tree found for " + permName); 2448 } 2449 2450 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2451 if (s1 == null) { 2452 return s2 == null; 2453 } 2454 if (s2 == null) { 2455 return false; 2456 } 2457 if (s1.getClass() != s2.getClass()) { 2458 return false; 2459 } 2460 return s1.equals(s2); 2461 } 2462 2463 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2464 if (pi1.icon != pi2.icon) return false; 2465 if (pi1.logo != pi2.logo) return false; 2466 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2467 if (!compareStrings(pi1.name, pi2.name)) return false; 2468 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2469 // We'll take care of setting this one. 2470 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2471 // These are not currently stored in settings. 2472 //if (!compareStrings(pi1.group, pi2.group)) return false; 2473 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2474 //if (pi1.labelRes != pi2.labelRes) return false; 2475 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2476 return true; 2477 } 2478 2479 int permissionInfoFootprint(PermissionInfo info) { 2480 int size = info.name.length(); 2481 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2482 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2483 return size; 2484 } 2485 2486 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2487 int size = 0; 2488 for (BasePermission perm : mSettings.mPermissions.values()) { 2489 if (perm.uid == tree.uid) { 2490 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2491 } 2492 } 2493 return size; 2494 } 2495 2496 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2497 // We calculate the max size of permissions defined by this uid and throw 2498 // if that plus the size of 'info' would exceed our stated maximum. 2499 if (tree.uid != Process.SYSTEM_UID) { 2500 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2501 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2502 throw new SecurityException("Permission tree size cap exceeded"); 2503 } 2504 } 2505 } 2506 2507 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2508 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2509 throw new SecurityException("Label must be specified in permission"); 2510 } 2511 BasePermission tree = checkPermissionTreeLP(info.name); 2512 BasePermission bp = mSettings.mPermissions.get(info.name); 2513 boolean added = bp == null; 2514 boolean changed = true; 2515 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2516 if (added) { 2517 enforcePermissionCapLocked(info, tree); 2518 bp = new BasePermission(info.name, tree.sourcePackage, 2519 BasePermission.TYPE_DYNAMIC); 2520 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2521 throw new SecurityException( 2522 "Not allowed to modify non-dynamic permission " 2523 + info.name); 2524 } else { 2525 if (bp.protectionLevel == fixedLevel 2526 && bp.perm.owner.equals(tree.perm.owner) 2527 && bp.uid == tree.uid 2528 && comparePermissionInfos(bp.perm.info, info)) { 2529 changed = false; 2530 } 2531 } 2532 bp.protectionLevel = fixedLevel; 2533 info = new PermissionInfo(info); 2534 info.protectionLevel = fixedLevel; 2535 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2536 bp.perm.info.packageName = tree.perm.info.packageName; 2537 bp.uid = tree.uid; 2538 if (added) { 2539 mSettings.mPermissions.put(info.name, bp); 2540 } 2541 if (changed) { 2542 if (!async) { 2543 mSettings.writeLPr(); 2544 } else { 2545 scheduleWriteSettingsLocked(); 2546 } 2547 } 2548 return added; 2549 } 2550 2551 @Override 2552 public boolean addPermission(PermissionInfo info) { 2553 synchronized (mPackages) { 2554 return addPermissionLocked(info, false); 2555 } 2556 } 2557 2558 @Override 2559 public boolean addPermissionAsync(PermissionInfo info) { 2560 synchronized (mPackages) { 2561 return addPermissionLocked(info, true); 2562 } 2563 } 2564 2565 @Override 2566 public void removePermission(String name) { 2567 synchronized (mPackages) { 2568 checkPermissionTreeLP(name); 2569 BasePermission bp = mSettings.mPermissions.get(name); 2570 if (bp != null) { 2571 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2572 throw new SecurityException( 2573 "Not allowed to modify non-dynamic permission " 2574 + name); 2575 } 2576 mSettings.mPermissions.remove(name); 2577 mSettings.writeLPr(); 2578 } 2579 } 2580 } 2581 2582 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2583 int index = pkg.requestedPermissions.indexOf(bp.name); 2584 if (index == -1) { 2585 throw new SecurityException("Package " + pkg.packageName 2586 + " has not requested permission " + bp.name); 2587 } 2588 boolean isNormal = 2589 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2590 == PermissionInfo.PROTECTION_NORMAL); 2591 boolean isDangerous = 2592 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2593 == PermissionInfo.PROTECTION_DANGEROUS); 2594 boolean isDevelopment = 2595 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2596 2597 if (!isNormal && !isDangerous && !isDevelopment) { 2598 throw new SecurityException("Permission " + bp.name 2599 + " is not a changeable permission type"); 2600 } 2601 2602 if (isNormal || isDangerous) { 2603 if (pkg.requestedPermissionsRequired.get(index)) { 2604 throw new SecurityException("Can't change " + bp.name 2605 + ". It is required by the application"); 2606 } 2607 } 2608 } 2609 2610 @Override 2611 public void grantPermission(String packageName, String permissionName) { 2612 mContext.enforceCallingOrSelfPermission( 2613 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2614 synchronized (mPackages) { 2615 final PackageParser.Package pkg = mPackages.get(packageName); 2616 if (pkg == null) { 2617 throw new IllegalArgumentException("Unknown package: " + packageName); 2618 } 2619 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2620 if (bp == null) { 2621 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2622 } 2623 2624 checkGrantRevokePermissions(pkg, bp); 2625 2626 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2627 if (ps == null) { 2628 return; 2629 } 2630 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2631 if (gp.grantedPermissions.add(permissionName)) { 2632 if (ps.haveGids) { 2633 gp.gids = appendInts(gp.gids, bp.gids); 2634 } 2635 mSettings.writeLPr(); 2636 } 2637 } 2638 } 2639 2640 @Override 2641 public void revokePermission(String packageName, String permissionName) { 2642 int changedAppId = -1; 2643 2644 synchronized (mPackages) { 2645 final PackageParser.Package pkg = mPackages.get(packageName); 2646 if (pkg == null) { 2647 throw new IllegalArgumentException("Unknown package: " + packageName); 2648 } 2649 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2650 mContext.enforceCallingOrSelfPermission( 2651 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2652 } 2653 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2654 if (bp == null) { 2655 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2656 } 2657 2658 checkGrantRevokePermissions(pkg, bp); 2659 2660 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2661 if (ps == null) { 2662 return; 2663 } 2664 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2665 if (gp.grantedPermissions.remove(permissionName)) { 2666 gp.grantedPermissions.remove(permissionName); 2667 if (ps.haveGids) { 2668 gp.gids = removeInts(gp.gids, bp.gids); 2669 } 2670 mSettings.writeLPr(); 2671 changedAppId = ps.appId; 2672 } 2673 } 2674 2675 if (changedAppId >= 0) { 2676 // We changed the perm on someone, kill its processes. 2677 IActivityManager am = ActivityManagerNative.getDefault(); 2678 if (am != null) { 2679 final int callingUserId = UserHandle.getCallingUserId(); 2680 final long ident = Binder.clearCallingIdentity(); 2681 try { 2682 //XXX we should only revoke for the calling user's app permissions, 2683 // but for now we impact all users. 2684 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2685 // "revoke " + permissionName); 2686 int[] users = sUserManager.getUserIds(); 2687 for (int user : users) { 2688 am.killUid(UserHandle.getUid(user, changedAppId), 2689 "revoke " + permissionName); 2690 } 2691 } catch (RemoteException e) { 2692 } finally { 2693 Binder.restoreCallingIdentity(ident); 2694 } 2695 } 2696 } 2697 } 2698 2699 @Override 2700 public boolean isProtectedBroadcast(String actionName) { 2701 synchronized (mPackages) { 2702 return mProtectedBroadcasts.contains(actionName); 2703 } 2704 } 2705 2706 @Override 2707 public int checkSignatures(String pkg1, String pkg2) { 2708 synchronized (mPackages) { 2709 final PackageParser.Package p1 = mPackages.get(pkg1); 2710 final PackageParser.Package p2 = mPackages.get(pkg2); 2711 if (p1 == null || p1.mExtras == null 2712 || p2 == null || p2.mExtras == null) { 2713 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2714 } 2715 return compareSignatures(p1.mSignatures, p2.mSignatures); 2716 } 2717 } 2718 2719 @Override 2720 public int checkUidSignatures(int uid1, int uid2) { 2721 // Map to base uids. 2722 uid1 = UserHandle.getAppId(uid1); 2723 uid2 = UserHandle.getAppId(uid2); 2724 // reader 2725 synchronized (mPackages) { 2726 Signature[] s1; 2727 Signature[] s2; 2728 Object obj = mSettings.getUserIdLPr(uid1); 2729 if (obj != null) { 2730 if (obj instanceof SharedUserSetting) { 2731 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2732 } else if (obj instanceof PackageSetting) { 2733 s1 = ((PackageSetting)obj).signatures.mSignatures; 2734 } else { 2735 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2736 } 2737 } else { 2738 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2739 } 2740 obj = mSettings.getUserIdLPr(uid2); 2741 if (obj != null) { 2742 if (obj instanceof SharedUserSetting) { 2743 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2744 } else if (obj instanceof PackageSetting) { 2745 s2 = ((PackageSetting)obj).signatures.mSignatures; 2746 } else { 2747 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2748 } 2749 } else { 2750 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2751 } 2752 return compareSignatures(s1, s2); 2753 } 2754 } 2755 2756 /** 2757 * Compares two sets of signatures. Returns: 2758 * <br /> 2759 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2760 * <br /> 2761 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2762 * <br /> 2763 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2764 * <br /> 2765 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2766 * <br /> 2767 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2768 */ 2769 static int compareSignatures(Signature[] s1, Signature[] s2) { 2770 if (s1 == null) { 2771 return s2 == null 2772 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2773 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2774 } 2775 2776 if (s2 == null) { 2777 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2778 } 2779 2780 if (s1.length != s2.length) { 2781 return PackageManager.SIGNATURE_NO_MATCH; 2782 } 2783 2784 // Since both signature sets are of size 1, we can compare without HashSets. 2785 if (s1.length == 1) { 2786 return s1[0].equals(s2[0]) ? 2787 PackageManager.SIGNATURE_MATCH : 2788 PackageManager.SIGNATURE_NO_MATCH; 2789 } 2790 2791 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2792 for (Signature sig : s1) { 2793 set1.add(sig); 2794 } 2795 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2796 for (Signature sig : s2) { 2797 set2.add(sig); 2798 } 2799 // Make sure s2 contains all signatures in s1. 2800 if (set1.equals(set2)) { 2801 return PackageManager.SIGNATURE_MATCH; 2802 } 2803 return PackageManager.SIGNATURE_NO_MATCH; 2804 } 2805 2806 /** 2807 * If the database version for this type of package (internal storage or 2808 * external storage) is less than the version where package signatures 2809 * were updated, return true. 2810 */ 2811 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2812 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2813 DatabaseVersion.SIGNATURE_END_ENTITY)) 2814 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2815 DatabaseVersion.SIGNATURE_END_ENTITY)); 2816 } 2817 2818 /** 2819 * Used for backward compatibility to make sure any packages with 2820 * certificate chains get upgraded to the new style. {@code existingSigs} 2821 * will be in the old format (since they were stored on disk from before the 2822 * system upgrade) and {@code scannedSigs} will be in the newer format. 2823 */ 2824 private int compareSignaturesCompat(PackageSignatures existingSigs, 2825 PackageParser.Package scannedPkg) { 2826 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2827 return PackageManager.SIGNATURE_NO_MATCH; 2828 } 2829 2830 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2831 for (Signature sig : existingSigs.mSignatures) { 2832 existingSet.add(sig); 2833 } 2834 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2835 for (Signature sig : scannedPkg.mSignatures) { 2836 try { 2837 Signature[] chainSignatures = sig.getChainSignatures(); 2838 for (Signature chainSig : chainSignatures) { 2839 scannedCompatSet.add(chainSig); 2840 } 2841 } catch (CertificateEncodingException e) { 2842 scannedCompatSet.add(sig); 2843 } 2844 } 2845 /* 2846 * Make sure the expanded scanned set contains all signatures in the 2847 * existing one. 2848 */ 2849 if (scannedCompatSet.equals(existingSet)) { 2850 // Migrate the old signatures to the new scheme. 2851 existingSigs.assignSignatures(scannedPkg.mSignatures); 2852 // The new KeySets will be re-added later in the scanning process. 2853 synchronized (mPackages) { 2854 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2855 } 2856 return PackageManager.SIGNATURE_MATCH; 2857 } 2858 return PackageManager.SIGNATURE_NO_MATCH; 2859 } 2860 2861 @Override 2862 public String[] getPackagesForUid(int uid) { 2863 uid = UserHandle.getAppId(uid); 2864 // reader 2865 synchronized (mPackages) { 2866 Object obj = mSettings.getUserIdLPr(uid); 2867 if (obj instanceof SharedUserSetting) { 2868 final SharedUserSetting sus = (SharedUserSetting) obj; 2869 final int N = sus.packages.size(); 2870 final String[] res = new String[N]; 2871 final Iterator<PackageSetting> it = sus.packages.iterator(); 2872 int i = 0; 2873 while (it.hasNext()) { 2874 res[i++] = it.next().name; 2875 } 2876 return res; 2877 } else if (obj instanceof PackageSetting) { 2878 final PackageSetting ps = (PackageSetting) obj; 2879 return new String[] { ps.name }; 2880 } 2881 } 2882 return null; 2883 } 2884 2885 @Override 2886 public String getNameForUid(int uid) { 2887 // reader 2888 synchronized (mPackages) { 2889 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2890 if (obj instanceof SharedUserSetting) { 2891 final SharedUserSetting sus = (SharedUserSetting) obj; 2892 return sus.name + ":" + sus.userId; 2893 } else if (obj instanceof PackageSetting) { 2894 final PackageSetting ps = (PackageSetting) obj; 2895 return ps.name; 2896 } 2897 } 2898 return null; 2899 } 2900 2901 @Override 2902 public int getUidForSharedUser(String sharedUserName) { 2903 if(sharedUserName == null) { 2904 return -1; 2905 } 2906 // reader 2907 synchronized (mPackages) { 2908 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2909 if (suid == null) { 2910 return -1; 2911 } 2912 return suid.userId; 2913 } 2914 } 2915 2916 @Override 2917 public int getFlagsForUid(int uid) { 2918 synchronized (mPackages) { 2919 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2920 if (obj instanceof SharedUserSetting) { 2921 final SharedUserSetting sus = (SharedUserSetting) obj; 2922 return sus.pkgFlags; 2923 } else if (obj instanceof PackageSetting) { 2924 final PackageSetting ps = (PackageSetting) obj; 2925 return ps.pkgFlags; 2926 } 2927 } 2928 return 0; 2929 } 2930 2931 @Override 2932 public boolean isUidPrivileged(int uid) { 2933 uid = UserHandle.getAppId(uid); 2934 // reader 2935 synchronized (mPackages) { 2936 Object obj = mSettings.getUserIdLPr(uid); 2937 if (obj instanceof SharedUserSetting) { 2938 final SharedUserSetting sus = (SharedUserSetting) obj; 2939 final Iterator<PackageSetting> it = sus.packages.iterator(); 2940 while (it.hasNext()) { 2941 if (it.next().isPrivileged()) { 2942 return true; 2943 } 2944 } 2945 } else if (obj instanceof PackageSetting) { 2946 final PackageSetting ps = (PackageSetting) obj; 2947 return ps.isPrivileged(); 2948 } 2949 } 2950 return false; 2951 } 2952 2953 @Override 2954 public String[] getAppOpPermissionPackages(String permissionName) { 2955 synchronized (mPackages) { 2956 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2957 if (pkgs == null) { 2958 return null; 2959 } 2960 return pkgs.toArray(new String[pkgs.size()]); 2961 } 2962 } 2963 2964 @Override 2965 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2966 int flags, int userId) { 2967 if (!sUserManager.exists(userId)) return null; 2968 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2969 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2970 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2971 } 2972 2973 @Override 2974 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2975 IntentFilter filter, int match, ComponentName activity) { 2976 final int userId = UserHandle.getCallingUserId(); 2977 if (DEBUG_PREFERRED) { 2978 Log.v(TAG, "setLastChosenActivity intent=" + intent 2979 + " resolvedType=" + resolvedType 2980 + " flags=" + flags 2981 + " filter=" + filter 2982 + " match=" + match 2983 + " activity=" + activity); 2984 filter.dump(new PrintStreamPrinter(System.out), " "); 2985 } 2986 intent.setComponent(null); 2987 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2988 // Find any earlier preferred or last chosen entries and nuke them 2989 findPreferredActivity(intent, resolvedType, 2990 flags, query, 0, false, true, false, userId); 2991 // Add the new activity as the last chosen for this filter 2992 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2993 "Setting last chosen"); 2994 } 2995 2996 @Override 2997 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2998 final int userId = UserHandle.getCallingUserId(); 2999 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3000 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3001 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3002 false, false, false, userId); 3003 } 3004 3005 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3006 int flags, List<ResolveInfo> query, int userId) { 3007 if (query != null) { 3008 final int N = query.size(); 3009 if (N == 1) { 3010 return query.get(0); 3011 } else if (N > 1) { 3012 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3013 // If there is more than one activity with the same priority, 3014 // then let the user decide between them. 3015 ResolveInfo r0 = query.get(0); 3016 ResolveInfo r1 = query.get(1); 3017 if (DEBUG_INTENT_MATCHING || debug) { 3018 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3019 + r1.activityInfo.name + "=" + r1.priority); 3020 } 3021 // If the first activity has a higher priority, or a different 3022 // default, then it is always desireable to pick it. 3023 if (r0.priority != r1.priority 3024 || r0.preferredOrder != r1.preferredOrder 3025 || r0.isDefault != r1.isDefault) { 3026 return query.get(0); 3027 } 3028 // If we have saved a preference for a preferred activity for 3029 // this Intent, use that. 3030 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3031 flags, query, r0.priority, true, false, debug, userId); 3032 if (ri != null) { 3033 return ri; 3034 } 3035 if (userId != 0) { 3036 ri = new ResolveInfo(mResolveInfo); 3037 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3038 ri.activityInfo.applicationInfo = new ApplicationInfo( 3039 ri.activityInfo.applicationInfo); 3040 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3041 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3042 return ri; 3043 } 3044 return mResolveInfo; 3045 } 3046 } 3047 return null; 3048 } 3049 3050 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3051 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3052 final int N = query.size(); 3053 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3054 .get(userId); 3055 // Get the list of persistent preferred activities that handle the intent 3056 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3057 List<PersistentPreferredActivity> pprefs = ppir != null 3058 ? ppir.queryIntent(intent, resolvedType, 3059 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3060 : null; 3061 if (pprefs != null && pprefs.size() > 0) { 3062 final int M = pprefs.size(); 3063 for (int i=0; i<M; i++) { 3064 final PersistentPreferredActivity ppa = pprefs.get(i); 3065 if (DEBUG_PREFERRED || debug) { 3066 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3067 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3068 + "\n component=" + ppa.mComponent); 3069 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3070 } 3071 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3072 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3073 if (DEBUG_PREFERRED || debug) { 3074 Slog.v(TAG, "Found persistent preferred activity:"); 3075 if (ai != null) { 3076 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3077 } else { 3078 Slog.v(TAG, " null"); 3079 } 3080 } 3081 if (ai == null) { 3082 // This previously registered persistent preferred activity 3083 // component is no longer known. Ignore it and do NOT remove it. 3084 continue; 3085 } 3086 for (int j=0; j<N; j++) { 3087 final ResolveInfo ri = query.get(j); 3088 if (!ri.activityInfo.applicationInfo.packageName 3089 .equals(ai.applicationInfo.packageName)) { 3090 continue; 3091 } 3092 if (!ri.activityInfo.name.equals(ai.name)) { 3093 continue; 3094 } 3095 // Found a persistent preference that can handle the intent. 3096 if (DEBUG_PREFERRED || debug) { 3097 Slog.v(TAG, "Returning persistent preferred activity: " + 3098 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3099 } 3100 return ri; 3101 } 3102 } 3103 } 3104 return null; 3105 } 3106 3107 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3108 List<ResolveInfo> query, int priority, boolean always, 3109 boolean removeMatches, boolean debug, int userId) { 3110 if (!sUserManager.exists(userId)) return null; 3111 // writer 3112 synchronized (mPackages) { 3113 if (intent.getSelector() != null) { 3114 intent = intent.getSelector(); 3115 } 3116 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3117 3118 // Try to find a matching persistent preferred activity. 3119 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3120 debug, userId); 3121 3122 // If a persistent preferred activity matched, use it. 3123 if (pri != null) { 3124 return pri; 3125 } 3126 3127 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3128 // Get the list of preferred activities that handle the intent 3129 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3130 List<PreferredActivity> prefs = pir != null 3131 ? pir.queryIntent(intent, resolvedType, 3132 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3133 : null; 3134 if (prefs != null && prefs.size() > 0) { 3135 boolean changed = false; 3136 try { 3137 // First figure out how good the original match set is. 3138 // We will only allow preferred activities that came 3139 // from the same match quality. 3140 int match = 0; 3141 3142 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3143 3144 final int N = query.size(); 3145 for (int j=0; j<N; j++) { 3146 final ResolveInfo ri = query.get(j); 3147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3148 + ": 0x" + Integer.toHexString(match)); 3149 if (ri.match > match) { 3150 match = ri.match; 3151 } 3152 } 3153 3154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3155 + Integer.toHexString(match)); 3156 3157 match &= IntentFilter.MATCH_CATEGORY_MASK; 3158 final int M = prefs.size(); 3159 for (int i=0; i<M; i++) { 3160 final PreferredActivity pa = prefs.get(i); 3161 if (DEBUG_PREFERRED || debug) { 3162 Slog.v(TAG, "Checking PreferredActivity ds=" 3163 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3164 + "\n component=" + pa.mPref.mComponent); 3165 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3166 } 3167 if (pa.mPref.mMatch != match) { 3168 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3169 + Integer.toHexString(pa.mPref.mMatch)); 3170 continue; 3171 } 3172 // If it's not an "always" type preferred activity and that's what we're 3173 // looking for, skip it. 3174 if (always && !pa.mPref.mAlways) { 3175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3176 continue; 3177 } 3178 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3179 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3180 if (DEBUG_PREFERRED || debug) { 3181 Slog.v(TAG, "Found preferred activity:"); 3182 if (ai != null) { 3183 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3184 } else { 3185 Slog.v(TAG, " null"); 3186 } 3187 } 3188 if (ai == null) { 3189 // This previously registered preferred activity 3190 // component is no longer known. Most likely an update 3191 // to the app was installed and in the new version this 3192 // component no longer exists. Clean it up by removing 3193 // it from the preferred activities list, and skip it. 3194 Slog.w(TAG, "Removing dangling preferred activity: " 3195 + pa.mPref.mComponent); 3196 pir.removeFilter(pa); 3197 changed = true; 3198 continue; 3199 } 3200 for (int j=0; j<N; j++) { 3201 final ResolveInfo ri = query.get(j); 3202 if (!ri.activityInfo.applicationInfo.packageName 3203 .equals(ai.applicationInfo.packageName)) { 3204 continue; 3205 } 3206 if (!ri.activityInfo.name.equals(ai.name)) { 3207 continue; 3208 } 3209 3210 if (removeMatches) { 3211 pir.removeFilter(pa); 3212 changed = true; 3213 if (DEBUG_PREFERRED) { 3214 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3215 } 3216 break; 3217 } 3218 3219 // Okay we found a previously set preferred or last chosen app. 3220 // If the result set is different from when this 3221 // was created, we need to clear it and re-ask the 3222 // user their preference, if we're looking for an "always" type entry. 3223 if (always && !pa.mPref.sameSet(query, priority)) { 3224 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3225 + intent + " type " + resolvedType); 3226 if (DEBUG_PREFERRED) { 3227 Slog.v(TAG, "Removing preferred activity since set changed " 3228 + pa.mPref.mComponent); 3229 } 3230 pir.removeFilter(pa); 3231 // Re-add the filter as a "last chosen" entry (!always) 3232 PreferredActivity lastChosen = new PreferredActivity( 3233 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3234 pir.addFilter(lastChosen); 3235 changed = true; 3236 return null; 3237 } 3238 3239 // Yay! Either the set matched or we're looking for the last chosen 3240 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3241 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3242 return ri; 3243 } 3244 } 3245 } finally { 3246 if (changed) { 3247 if (DEBUG_PREFERRED) { 3248 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3249 } 3250 mSettings.writePackageRestrictionsLPr(userId); 3251 } 3252 } 3253 } 3254 } 3255 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3256 return null; 3257 } 3258 3259 /* 3260 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3261 */ 3262 @Override 3263 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3264 int targetUserId) { 3265 mContext.enforceCallingOrSelfPermission( 3266 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3267 List<CrossProfileIntentFilter> matches = 3268 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3269 if (matches != null) { 3270 int size = matches.size(); 3271 for (int i = 0; i < size; i++) { 3272 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3273 } 3274 } 3275 return false; 3276 } 3277 3278 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3279 String resolvedType, int userId) { 3280 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3281 if (resolver != null) { 3282 return resolver.queryIntent(intent, resolvedType, false, userId); 3283 } 3284 return null; 3285 } 3286 3287 @Override 3288 public List<ResolveInfo> queryIntentActivities(Intent intent, 3289 String resolvedType, int flags, int userId) { 3290 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3291 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3292 ComponentName comp = intent.getComponent(); 3293 if (comp == null) { 3294 if (intent.getSelector() != null) { 3295 intent = intent.getSelector(); 3296 comp = intent.getComponent(); 3297 } 3298 } 3299 3300 if (comp != null) { 3301 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3302 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3303 if (ai != null) { 3304 final ResolveInfo ri = new ResolveInfo(); 3305 ri.activityInfo = ai; 3306 list.add(ri); 3307 } 3308 return list; 3309 } 3310 3311 // reader 3312 synchronized (mPackages) { 3313 final String pkgName = intent.getPackage(); 3314 if (pkgName == null) { 3315 List<CrossProfileIntentFilter> matchingFilters = 3316 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3317 // Check for results that need to skip the current profile. 3318 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3319 resolvedType, flags, userId); 3320 if (resolveInfo != null) { 3321 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3322 result.add(resolveInfo); 3323 return result; 3324 } 3325 // Check for cross profile results. 3326 resolveInfo = queryCrossProfileIntents( 3327 matchingFilters, intent, resolvedType, flags, userId); 3328 3329 // Check for results in the current profile. 3330 List<ResolveInfo> result = mActivities.queryIntent( 3331 intent, resolvedType, flags, userId); 3332 if (resolveInfo != null) { 3333 result.add(resolveInfo); 3334 Collections.sort(result, mResolvePrioritySorter); 3335 } 3336 return result; 3337 } 3338 final PackageParser.Package pkg = mPackages.get(pkgName); 3339 if (pkg != null) { 3340 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3341 pkg.activities, userId); 3342 } 3343 return new ArrayList<ResolveInfo>(); 3344 } 3345 } 3346 3347 private ResolveInfo querySkipCurrentProfileIntents( 3348 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3349 int flags, int sourceUserId) { 3350 if (matchingFilters != null) { 3351 int size = matchingFilters.size(); 3352 for (int i = 0; i < size; i ++) { 3353 CrossProfileIntentFilter filter = matchingFilters.get(i); 3354 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3355 // Checking if there are activities in the target user that can handle the 3356 // intent. 3357 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3358 flags, sourceUserId); 3359 if (resolveInfo != null) { 3360 return resolveInfo; 3361 } 3362 } 3363 } 3364 } 3365 return null; 3366 } 3367 3368 // Return matching ResolveInfo if any for skip current profile intent filters. 3369 private ResolveInfo queryCrossProfileIntents( 3370 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3371 int flags, int sourceUserId) { 3372 if (matchingFilters != null) { 3373 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3374 // match the same intent. For performance reasons, it is better not to 3375 // run queryIntent twice for the same userId 3376 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3377 int size = matchingFilters.size(); 3378 for (int i = 0; i < size; i++) { 3379 CrossProfileIntentFilter filter = matchingFilters.get(i); 3380 int targetUserId = filter.getTargetUserId(); 3381 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3382 && !alreadyTriedUserIds.get(targetUserId)) { 3383 // Checking if there are activities in the target user that can handle the 3384 // intent. 3385 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3386 flags, sourceUserId); 3387 if (resolveInfo != null) return resolveInfo; 3388 alreadyTriedUserIds.put(targetUserId, true); 3389 } 3390 } 3391 } 3392 return null; 3393 } 3394 3395 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3396 String resolvedType, int flags, int sourceUserId) { 3397 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3398 resolvedType, flags, filter.getTargetUserId()); 3399 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3400 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3401 } 3402 return null; 3403 } 3404 3405 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3406 int sourceUserId, int targetUserId) { 3407 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3408 String className; 3409 if (targetUserId == UserHandle.USER_OWNER) { 3410 className = FORWARD_INTENT_TO_USER_OWNER; 3411 } else { 3412 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3413 } 3414 ComponentName forwardingActivityComponentName = new ComponentName( 3415 mAndroidApplication.packageName, className); 3416 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3417 sourceUserId); 3418 if (targetUserId == UserHandle.USER_OWNER) { 3419 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3420 forwardingResolveInfo.noResourceId = true; 3421 } 3422 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3423 forwardingResolveInfo.priority = 0; 3424 forwardingResolveInfo.preferredOrder = 0; 3425 forwardingResolveInfo.match = 0; 3426 forwardingResolveInfo.isDefault = true; 3427 forwardingResolveInfo.filter = filter; 3428 forwardingResolveInfo.targetUserId = targetUserId; 3429 return forwardingResolveInfo; 3430 } 3431 3432 @Override 3433 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3434 Intent[] specifics, String[] specificTypes, Intent intent, 3435 String resolvedType, int flags, int userId) { 3436 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3437 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3438 false, "query intent activity options"); 3439 final String resultsAction = intent.getAction(); 3440 3441 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3442 | PackageManager.GET_RESOLVED_FILTER, userId); 3443 3444 if (DEBUG_INTENT_MATCHING) { 3445 Log.v(TAG, "Query " + intent + ": " + results); 3446 } 3447 3448 int specificsPos = 0; 3449 int N; 3450 3451 // todo: note that the algorithm used here is O(N^2). This 3452 // isn't a problem in our current environment, but if we start running 3453 // into situations where we have more than 5 or 10 matches then this 3454 // should probably be changed to something smarter... 3455 3456 // First we go through and resolve each of the specific items 3457 // that were supplied, taking care of removing any corresponding 3458 // duplicate items in the generic resolve list. 3459 if (specifics != null) { 3460 for (int i=0; i<specifics.length; i++) { 3461 final Intent sintent = specifics[i]; 3462 if (sintent == null) { 3463 continue; 3464 } 3465 3466 if (DEBUG_INTENT_MATCHING) { 3467 Log.v(TAG, "Specific #" + i + ": " + sintent); 3468 } 3469 3470 String action = sintent.getAction(); 3471 if (resultsAction != null && resultsAction.equals(action)) { 3472 // If this action was explicitly requested, then don't 3473 // remove things that have it. 3474 action = null; 3475 } 3476 3477 ResolveInfo ri = null; 3478 ActivityInfo ai = null; 3479 3480 ComponentName comp = sintent.getComponent(); 3481 if (comp == null) { 3482 ri = resolveIntent( 3483 sintent, 3484 specificTypes != null ? specificTypes[i] : null, 3485 flags, userId); 3486 if (ri == null) { 3487 continue; 3488 } 3489 if (ri == mResolveInfo) { 3490 // ACK! Must do something better with this. 3491 } 3492 ai = ri.activityInfo; 3493 comp = new ComponentName(ai.applicationInfo.packageName, 3494 ai.name); 3495 } else { 3496 ai = getActivityInfo(comp, flags, userId); 3497 if (ai == null) { 3498 continue; 3499 } 3500 } 3501 3502 // Look for any generic query activities that are duplicates 3503 // of this specific one, and remove them from the results. 3504 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3505 N = results.size(); 3506 int j; 3507 for (j=specificsPos; j<N; j++) { 3508 ResolveInfo sri = results.get(j); 3509 if ((sri.activityInfo.name.equals(comp.getClassName()) 3510 && sri.activityInfo.applicationInfo.packageName.equals( 3511 comp.getPackageName())) 3512 || (action != null && sri.filter.matchAction(action))) { 3513 results.remove(j); 3514 if (DEBUG_INTENT_MATCHING) Log.v( 3515 TAG, "Removing duplicate item from " + j 3516 + " due to specific " + specificsPos); 3517 if (ri == null) { 3518 ri = sri; 3519 } 3520 j--; 3521 N--; 3522 } 3523 } 3524 3525 // Add this specific item to its proper place. 3526 if (ri == null) { 3527 ri = new ResolveInfo(); 3528 ri.activityInfo = ai; 3529 } 3530 results.add(specificsPos, ri); 3531 ri.specificIndex = i; 3532 specificsPos++; 3533 } 3534 } 3535 3536 // Now we go through the remaining generic results and remove any 3537 // duplicate actions that are found here. 3538 N = results.size(); 3539 for (int i=specificsPos; i<N-1; i++) { 3540 final ResolveInfo rii = results.get(i); 3541 if (rii.filter == null) { 3542 continue; 3543 } 3544 3545 // Iterate over all of the actions of this result's intent 3546 // filter... typically this should be just one. 3547 final Iterator<String> it = rii.filter.actionsIterator(); 3548 if (it == null) { 3549 continue; 3550 } 3551 while (it.hasNext()) { 3552 final String action = it.next(); 3553 if (resultsAction != null && resultsAction.equals(action)) { 3554 // If this action was explicitly requested, then don't 3555 // remove things that have it. 3556 continue; 3557 } 3558 for (int j=i+1; j<N; j++) { 3559 final ResolveInfo rij = results.get(j); 3560 if (rij.filter != null && rij.filter.hasAction(action)) { 3561 results.remove(j); 3562 if (DEBUG_INTENT_MATCHING) Log.v( 3563 TAG, "Removing duplicate item from " + j 3564 + " due to action " + action + " at " + i); 3565 j--; 3566 N--; 3567 } 3568 } 3569 } 3570 3571 // If the caller didn't request filter information, drop it now 3572 // so we don't have to marshall/unmarshall it. 3573 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3574 rii.filter = null; 3575 } 3576 } 3577 3578 // Filter out the caller activity if so requested. 3579 if (caller != null) { 3580 N = results.size(); 3581 for (int i=0; i<N; i++) { 3582 ActivityInfo ainfo = results.get(i).activityInfo; 3583 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3584 && caller.getClassName().equals(ainfo.name)) { 3585 results.remove(i); 3586 break; 3587 } 3588 } 3589 } 3590 3591 // If the caller didn't request filter information, 3592 // drop them now so we don't have to 3593 // marshall/unmarshall it. 3594 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3595 N = results.size(); 3596 for (int i=0; i<N; i++) { 3597 results.get(i).filter = null; 3598 } 3599 } 3600 3601 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3602 return results; 3603 } 3604 3605 @Override 3606 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3607 int userId) { 3608 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3609 ComponentName comp = intent.getComponent(); 3610 if (comp == null) { 3611 if (intent.getSelector() != null) { 3612 intent = intent.getSelector(); 3613 comp = intent.getComponent(); 3614 } 3615 } 3616 if (comp != null) { 3617 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3618 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3619 if (ai != null) { 3620 ResolveInfo ri = new ResolveInfo(); 3621 ri.activityInfo = ai; 3622 list.add(ri); 3623 } 3624 return list; 3625 } 3626 3627 // reader 3628 synchronized (mPackages) { 3629 String pkgName = intent.getPackage(); 3630 if (pkgName == null) { 3631 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3632 } 3633 final PackageParser.Package pkg = mPackages.get(pkgName); 3634 if (pkg != null) { 3635 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3636 userId); 3637 } 3638 return null; 3639 } 3640 } 3641 3642 @Override 3643 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3644 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3645 if (!sUserManager.exists(userId)) return null; 3646 if (query != null) { 3647 if (query.size() >= 1) { 3648 // If there is more than one service with the same priority, 3649 // just arbitrarily pick the first one. 3650 return query.get(0); 3651 } 3652 } 3653 return null; 3654 } 3655 3656 @Override 3657 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3658 int userId) { 3659 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3660 ComponentName comp = intent.getComponent(); 3661 if (comp == null) { 3662 if (intent.getSelector() != null) { 3663 intent = intent.getSelector(); 3664 comp = intent.getComponent(); 3665 } 3666 } 3667 if (comp != null) { 3668 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3669 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3670 if (si != null) { 3671 final ResolveInfo ri = new ResolveInfo(); 3672 ri.serviceInfo = si; 3673 list.add(ri); 3674 } 3675 return list; 3676 } 3677 3678 // reader 3679 synchronized (mPackages) { 3680 String pkgName = intent.getPackage(); 3681 if (pkgName == null) { 3682 return mServices.queryIntent(intent, resolvedType, flags, userId); 3683 } 3684 final PackageParser.Package pkg = mPackages.get(pkgName); 3685 if (pkg != null) { 3686 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3687 userId); 3688 } 3689 return null; 3690 } 3691 } 3692 3693 @Override 3694 public List<ResolveInfo> queryIntentContentProviders( 3695 Intent intent, String resolvedType, int flags, int userId) { 3696 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3697 ComponentName comp = intent.getComponent(); 3698 if (comp == null) { 3699 if (intent.getSelector() != null) { 3700 intent = intent.getSelector(); 3701 comp = intent.getComponent(); 3702 } 3703 } 3704 if (comp != null) { 3705 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3706 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3707 if (pi != null) { 3708 final ResolveInfo ri = new ResolveInfo(); 3709 ri.providerInfo = pi; 3710 list.add(ri); 3711 } 3712 return list; 3713 } 3714 3715 // reader 3716 synchronized (mPackages) { 3717 String pkgName = intent.getPackage(); 3718 if (pkgName == null) { 3719 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3720 } 3721 final PackageParser.Package pkg = mPackages.get(pkgName); 3722 if (pkg != null) { 3723 return mProviders.queryIntentForPackage( 3724 intent, resolvedType, flags, pkg.providers, userId); 3725 } 3726 return null; 3727 } 3728 } 3729 3730 @Override 3731 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3732 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3733 3734 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3735 3736 // writer 3737 synchronized (mPackages) { 3738 ArrayList<PackageInfo> list; 3739 if (listUninstalled) { 3740 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3741 for (PackageSetting ps : mSettings.mPackages.values()) { 3742 PackageInfo pi; 3743 if (ps.pkg != null) { 3744 pi = generatePackageInfo(ps.pkg, flags, userId); 3745 } else { 3746 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3747 } 3748 if (pi != null) { 3749 list.add(pi); 3750 } 3751 } 3752 } else { 3753 list = new ArrayList<PackageInfo>(mPackages.size()); 3754 for (PackageParser.Package p : mPackages.values()) { 3755 PackageInfo pi = generatePackageInfo(p, flags, userId); 3756 if (pi != null) { 3757 list.add(pi); 3758 } 3759 } 3760 } 3761 3762 return new ParceledListSlice<PackageInfo>(list); 3763 } 3764 } 3765 3766 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3767 String[] permissions, boolean[] tmp, int flags, int userId) { 3768 int numMatch = 0; 3769 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3770 for (int i=0; i<permissions.length; i++) { 3771 if (gp.grantedPermissions.contains(permissions[i])) { 3772 tmp[i] = true; 3773 numMatch++; 3774 } else { 3775 tmp[i] = false; 3776 } 3777 } 3778 if (numMatch == 0) { 3779 return; 3780 } 3781 PackageInfo pi; 3782 if (ps.pkg != null) { 3783 pi = generatePackageInfo(ps.pkg, flags, userId); 3784 } else { 3785 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3786 } 3787 // The above might return null in cases of uninstalled apps or install-state 3788 // skew across users/profiles. 3789 if (pi != null) { 3790 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3791 if (numMatch == permissions.length) { 3792 pi.requestedPermissions = permissions; 3793 } else { 3794 pi.requestedPermissions = new String[numMatch]; 3795 numMatch = 0; 3796 for (int i=0; i<permissions.length; i++) { 3797 if (tmp[i]) { 3798 pi.requestedPermissions[numMatch] = permissions[i]; 3799 numMatch++; 3800 } 3801 } 3802 } 3803 } 3804 list.add(pi); 3805 } 3806 } 3807 3808 @Override 3809 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3810 String[] permissions, int flags, int userId) { 3811 if (!sUserManager.exists(userId)) return null; 3812 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3813 3814 // writer 3815 synchronized (mPackages) { 3816 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3817 boolean[] tmpBools = new boolean[permissions.length]; 3818 if (listUninstalled) { 3819 for (PackageSetting ps : mSettings.mPackages.values()) { 3820 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3821 } 3822 } else { 3823 for (PackageParser.Package pkg : mPackages.values()) { 3824 PackageSetting ps = (PackageSetting)pkg.mExtras; 3825 if (ps != null) { 3826 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3827 userId); 3828 } 3829 } 3830 } 3831 3832 return new ParceledListSlice<PackageInfo>(list); 3833 } 3834 } 3835 3836 @Override 3837 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3838 if (!sUserManager.exists(userId)) return null; 3839 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3840 3841 // writer 3842 synchronized (mPackages) { 3843 ArrayList<ApplicationInfo> list; 3844 if (listUninstalled) { 3845 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3846 for (PackageSetting ps : mSettings.mPackages.values()) { 3847 ApplicationInfo ai; 3848 if (ps.pkg != null) { 3849 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3850 ps.readUserState(userId), userId); 3851 } else { 3852 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3853 } 3854 if (ai != null) { 3855 list.add(ai); 3856 } 3857 } 3858 } else { 3859 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3860 for (PackageParser.Package p : mPackages.values()) { 3861 if (p.mExtras != null) { 3862 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3863 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3864 if (ai != null) { 3865 list.add(ai); 3866 } 3867 } 3868 } 3869 } 3870 3871 return new ParceledListSlice<ApplicationInfo>(list); 3872 } 3873 } 3874 3875 public List<ApplicationInfo> getPersistentApplications(int flags) { 3876 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3877 3878 // reader 3879 synchronized (mPackages) { 3880 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3881 final int userId = UserHandle.getCallingUserId(); 3882 while (i.hasNext()) { 3883 final PackageParser.Package p = i.next(); 3884 if (p.applicationInfo != null 3885 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3886 && (!mSafeMode || isSystemApp(p))) { 3887 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3888 if (ps != null) { 3889 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3890 ps.readUserState(userId), userId); 3891 if (ai != null) { 3892 finalList.add(ai); 3893 } 3894 } 3895 } 3896 } 3897 } 3898 3899 return finalList; 3900 } 3901 3902 @Override 3903 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3904 if (!sUserManager.exists(userId)) return null; 3905 // reader 3906 synchronized (mPackages) { 3907 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3908 PackageSetting ps = provider != null 3909 ? mSettings.mPackages.get(provider.owner.packageName) 3910 : null; 3911 return ps != null 3912 && mSettings.isEnabledLPr(provider.info, flags, userId) 3913 && (!mSafeMode || (provider.info.applicationInfo.flags 3914 &ApplicationInfo.FLAG_SYSTEM) != 0) 3915 ? PackageParser.generateProviderInfo(provider, flags, 3916 ps.readUserState(userId), userId) 3917 : null; 3918 } 3919 } 3920 3921 /** 3922 * @deprecated 3923 */ 3924 @Deprecated 3925 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3926 // reader 3927 synchronized (mPackages) { 3928 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3929 .entrySet().iterator(); 3930 final int userId = UserHandle.getCallingUserId(); 3931 while (i.hasNext()) { 3932 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3933 PackageParser.Provider p = entry.getValue(); 3934 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3935 3936 if (ps != null && p.syncable 3937 && (!mSafeMode || (p.info.applicationInfo.flags 3938 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3939 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3940 ps.readUserState(userId), userId); 3941 if (info != null) { 3942 outNames.add(entry.getKey()); 3943 outInfo.add(info); 3944 } 3945 } 3946 } 3947 } 3948 } 3949 3950 @Override 3951 public List<ProviderInfo> queryContentProviders(String processName, 3952 int uid, int flags) { 3953 ArrayList<ProviderInfo> finalList = null; 3954 // reader 3955 synchronized (mPackages) { 3956 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3957 final int userId = processName != null ? 3958 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3959 while (i.hasNext()) { 3960 final PackageParser.Provider p = i.next(); 3961 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3962 if (ps != null && p.info.authority != null 3963 && (processName == null 3964 || (p.info.processName.equals(processName) 3965 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3966 && mSettings.isEnabledLPr(p.info, flags, userId) 3967 && (!mSafeMode 3968 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3969 if (finalList == null) { 3970 finalList = new ArrayList<ProviderInfo>(3); 3971 } 3972 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3973 ps.readUserState(userId), userId); 3974 if (info != null) { 3975 finalList.add(info); 3976 } 3977 } 3978 } 3979 } 3980 3981 if (finalList != null) { 3982 Collections.sort(finalList, mProviderInitOrderSorter); 3983 } 3984 3985 return finalList; 3986 } 3987 3988 @Override 3989 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3990 int flags) { 3991 // reader 3992 synchronized (mPackages) { 3993 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3994 return PackageParser.generateInstrumentationInfo(i, flags); 3995 } 3996 } 3997 3998 @Override 3999 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4000 int flags) { 4001 ArrayList<InstrumentationInfo> finalList = 4002 new ArrayList<InstrumentationInfo>(); 4003 4004 // reader 4005 synchronized (mPackages) { 4006 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4007 while (i.hasNext()) { 4008 final PackageParser.Instrumentation p = i.next(); 4009 if (targetPackage == null 4010 || targetPackage.equals(p.info.targetPackage)) { 4011 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4012 flags); 4013 if (ii != null) { 4014 finalList.add(ii); 4015 } 4016 } 4017 } 4018 } 4019 4020 return finalList; 4021 } 4022 4023 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4024 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4025 if (overlays == null) { 4026 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4027 return; 4028 } 4029 for (PackageParser.Package opkg : overlays.values()) { 4030 // Not much to do if idmap fails: we already logged the error 4031 // and we certainly don't want to abort installation of pkg simply 4032 // because an overlay didn't fit properly. For these reasons, 4033 // ignore the return value of createIdmapForPackagePairLI. 4034 createIdmapForPackagePairLI(pkg, opkg); 4035 } 4036 } 4037 4038 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4039 PackageParser.Package opkg) { 4040 if (!opkg.mTrustedOverlay) { 4041 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4042 opkg.baseCodePath + ": overlay not trusted"); 4043 return false; 4044 } 4045 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4046 if (overlaySet == null) { 4047 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4048 opkg.baseCodePath + " but target package has no known overlays"); 4049 return false; 4050 } 4051 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4052 // TODO: generate idmap for split APKs 4053 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4054 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4055 + opkg.baseCodePath); 4056 return false; 4057 } 4058 PackageParser.Package[] overlayArray = 4059 overlaySet.values().toArray(new PackageParser.Package[0]); 4060 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4061 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4062 return p1.mOverlayPriority - p2.mOverlayPriority; 4063 } 4064 }; 4065 Arrays.sort(overlayArray, cmp); 4066 4067 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4068 int i = 0; 4069 for (PackageParser.Package p : overlayArray) { 4070 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4071 } 4072 return true; 4073 } 4074 4075 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4076 final File[] files = dir.listFiles(); 4077 if (ArrayUtils.isEmpty(files)) { 4078 Log.d(TAG, "No files in app dir " + dir); 4079 return; 4080 } 4081 4082 if (DEBUG_PACKAGE_SCANNING) { 4083 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4084 + " flags=0x" + Integer.toHexString(parseFlags)); 4085 } 4086 4087 for (File file : files) { 4088 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4089 && !PackageInstallerService.isStageName(file.getName()); 4090 if (!isPackage) { 4091 // Ignore entries which are not packages 4092 continue; 4093 } 4094 try { 4095 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4096 scanFlags, currentTime, null); 4097 } catch (PackageManagerException e) { 4098 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4099 4100 // Delete invalid userdata apps 4101 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4102 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4103 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4104 if (file.isDirectory()) { 4105 FileUtils.deleteContents(file); 4106 } 4107 file.delete(); 4108 } 4109 } 4110 } 4111 } 4112 4113 private static File getSettingsProblemFile() { 4114 File dataDir = Environment.getDataDirectory(); 4115 File systemDir = new File(dataDir, "system"); 4116 File fname = new File(systemDir, "uiderrors.txt"); 4117 return fname; 4118 } 4119 4120 static void reportSettingsProblem(int priority, String msg) { 4121 logCriticalInfo(priority, msg); 4122 } 4123 4124 static void logCriticalInfo(int priority, String msg) { 4125 Slog.println(priority, TAG, msg); 4126 EventLogTags.writePmCriticalInfo(msg); 4127 try { 4128 File fname = getSettingsProblemFile(); 4129 FileOutputStream out = new FileOutputStream(fname, true); 4130 PrintWriter pw = new FastPrintWriter(out); 4131 SimpleDateFormat formatter = new SimpleDateFormat(); 4132 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4133 pw.println(dateString + ": " + msg); 4134 pw.close(); 4135 FileUtils.setPermissions( 4136 fname.toString(), 4137 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4138 -1, -1); 4139 } catch (java.io.IOException e) { 4140 } 4141 } 4142 4143 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4144 PackageParser.Package pkg, File srcFile, int parseFlags) 4145 throws PackageManagerException { 4146 if (ps != null 4147 && ps.codePath.equals(srcFile) 4148 && ps.timeStamp == srcFile.lastModified() 4149 && !isCompatSignatureUpdateNeeded(pkg)) { 4150 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4151 if (ps.signatures.mSignatures != null 4152 && ps.signatures.mSignatures.length != 0 4153 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4154 // Optimization: reuse the existing cached certificates 4155 // if the package appears to be unchanged. 4156 pkg.mSignatures = ps.signatures.mSignatures; 4157 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4158 synchronized (mPackages) { 4159 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4160 } 4161 return; 4162 } 4163 4164 Slog.w(TAG, "PackageSetting for " + ps.name 4165 + " is missing signatures. Collecting certs again to recover them."); 4166 } else { 4167 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4168 } 4169 4170 try { 4171 pp.collectCertificates(pkg, parseFlags); 4172 pp.collectManifestDigest(pkg); 4173 } catch (PackageParserException e) { 4174 throw PackageManagerException.from(e); 4175 } 4176 } 4177 4178 /* 4179 * Scan a package and return the newly parsed package. 4180 * Returns null in case of errors and the error code is stored in mLastScanError 4181 */ 4182 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4183 long currentTime, UserHandle user) throws PackageManagerException { 4184 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4185 parseFlags |= mDefParseFlags; 4186 PackageParser pp = new PackageParser(); 4187 pp.setSeparateProcesses(mSeparateProcesses); 4188 pp.setOnlyCoreApps(mOnlyCore); 4189 pp.setDisplayMetrics(mMetrics); 4190 4191 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4192 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4193 } 4194 4195 final PackageParser.Package pkg; 4196 try { 4197 pkg = pp.parsePackage(scanFile, parseFlags); 4198 } catch (PackageParserException e) { 4199 throw PackageManagerException.from(e); 4200 } 4201 4202 PackageSetting ps = null; 4203 PackageSetting updatedPkg; 4204 // reader 4205 synchronized (mPackages) { 4206 // Look to see if we already know about this package. 4207 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4208 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4209 // This package has been renamed to its original name. Let's 4210 // use that. 4211 ps = mSettings.peekPackageLPr(oldName); 4212 } 4213 // If there was no original package, see one for the real package name. 4214 if (ps == null) { 4215 ps = mSettings.peekPackageLPr(pkg.packageName); 4216 } 4217 // Check to see if this package could be hiding/updating a system 4218 // package. Must look for it either under the original or real 4219 // package name depending on our state. 4220 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4221 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4222 } 4223 boolean updatedPkgBetter = false; 4224 // First check if this is a system package that may involve an update 4225 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4226 if (ps != null && !ps.codePath.equals(scanFile)) { 4227 // The path has changed from what was last scanned... check the 4228 // version of the new path against what we have stored to determine 4229 // what to do. 4230 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4231 if (pkg.mVersionCode < ps.versionCode) { 4232 // The system package has been updated and the code path does not match 4233 // Ignore entry. Skip it. 4234 logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile 4235 + " ignored: updated version " + ps.versionCode 4236 + " better than this " + pkg.mVersionCode); 4237 if (!updatedPkg.codePath.equals(scanFile)) { 4238 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4239 + ps.name + " changing from " + updatedPkg.codePathString 4240 + " to " + scanFile); 4241 updatedPkg.codePath = scanFile; 4242 updatedPkg.codePathString = scanFile.toString(); 4243 // This is the point at which we know that the system-disk APK 4244 // for this package has moved during a reboot (e.g. due to an OTA), 4245 // so we need to reevaluate it for privilege policy. 4246 if (locationIsPrivileged(scanFile)) { 4247 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4248 } 4249 } 4250 updatedPkg.pkg = pkg; 4251 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4252 } else { 4253 // The current app on the system partition is better than 4254 // what we have updated to on the data partition; switch 4255 // back to the system partition version. 4256 // At this point, its safely assumed that package installation for 4257 // apps in system partition will go through. If not there won't be a working 4258 // version of the app 4259 // writer 4260 synchronized (mPackages) { 4261 // Just remove the loaded entries from package lists. 4262 mPackages.remove(ps.name); 4263 } 4264 4265 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4266 + " reverting from " + ps.codePathString 4267 + ": new version " + pkg.mVersionCode 4268 + " better than installed " + ps.versionCode); 4269 4270 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4271 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4272 getAppDexInstructionSets(ps)); 4273 synchronized (mInstallLock) { 4274 args.cleanUpResourcesLI(); 4275 } 4276 synchronized (mPackages) { 4277 mSettings.enableSystemPackageLPw(ps.name); 4278 } 4279 updatedPkgBetter = true; 4280 } 4281 } 4282 } 4283 4284 if (updatedPkg != null) { 4285 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4286 // initially 4287 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4288 4289 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4290 // flag set initially 4291 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4292 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4293 } 4294 } 4295 4296 // Verify certificates against what was last scanned 4297 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4298 4299 /* 4300 * A new system app appeared, but we already had a non-system one of the 4301 * same name installed earlier. 4302 */ 4303 boolean shouldHideSystemApp = false; 4304 if (updatedPkg == null && ps != null 4305 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4306 /* 4307 * Check to make sure the signatures match first. If they don't, 4308 * wipe the installed application and its data. 4309 */ 4310 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4311 != PackageManager.SIGNATURE_MATCH) { 4312 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4313 + " signatures don't match existing userdata copy; removing"); 4314 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4315 ps = null; 4316 } else { 4317 /* 4318 * If the newly-added system app is an older version than the 4319 * already installed version, hide it. It will be scanned later 4320 * and re-added like an update. 4321 */ 4322 if (pkg.mVersionCode < ps.versionCode) { 4323 shouldHideSystemApp = true; 4324 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4325 + " but new version " + pkg.mVersionCode + " better than installed " 4326 + ps.versionCode + "; hiding system"); 4327 } else { 4328 /* 4329 * The newly found system app is a newer version that the 4330 * one previously installed. Simply remove the 4331 * already-installed application and replace it with our own 4332 * while keeping the application data. 4333 */ 4334 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4335 + " reverting from " + ps.codePathString + ": new version " 4336 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4337 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4338 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4339 getAppDexInstructionSets(ps)); 4340 synchronized (mInstallLock) { 4341 args.cleanUpResourcesLI(); 4342 } 4343 } 4344 } 4345 } 4346 4347 // The apk is forward locked (not public) if its code and resources 4348 // are kept in different files. (except for app in either system or 4349 // vendor path). 4350 // TODO grab this value from PackageSettings 4351 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4352 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4353 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4354 } 4355 } 4356 4357 // TODO: extend to support forward-locked splits 4358 String resourcePath = null; 4359 String baseResourcePath = null; 4360 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4361 if (ps != null && ps.resourcePathString != null) { 4362 resourcePath = ps.resourcePathString; 4363 baseResourcePath = ps.resourcePathString; 4364 } else { 4365 // Should not happen at all. Just log an error. 4366 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4367 } 4368 } else { 4369 resourcePath = pkg.codePath; 4370 baseResourcePath = pkg.baseCodePath; 4371 } 4372 4373 // Set application objects path explicitly. 4374 pkg.applicationInfo.setCodePath(pkg.codePath); 4375 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4376 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4377 pkg.applicationInfo.setResourcePath(resourcePath); 4378 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4379 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4380 4381 // Note that we invoke the following method only if we are about to unpack an application 4382 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4383 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4384 4385 /* 4386 * If the system app should be overridden by a previously installed 4387 * data, hide the system app now and let the /data/app scan pick it up 4388 * again. 4389 */ 4390 if (shouldHideSystemApp) { 4391 synchronized (mPackages) { 4392 /* 4393 * We have to grant systems permissions before we hide, because 4394 * grantPermissions will assume the package update is trying to 4395 * expand its permissions. 4396 */ 4397 grantPermissionsLPw(pkg, true, pkg.packageName); 4398 mSettings.disableSystemPackageLPw(pkg.packageName); 4399 } 4400 } 4401 4402 return scannedPkg; 4403 } 4404 4405 private static String fixProcessName(String defProcessName, 4406 String processName, int uid) { 4407 if (processName == null) { 4408 return defProcessName; 4409 } 4410 return processName; 4411 } 4412 4413 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4414 throws PackageManagerException { 4415 if (pkgSetting.signatures.mSignatures != null) { 4416 // Already existing package. Make sure signatures match 4417 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4418 == PackageManager.SIGNATURE_MATCH; 4419 if (!match) { 4420 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4421 == PackageManager.SIGNATURE_MATCH; 4422 } 4423 if (!match) { 4424 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4425 + pkg.packageName + " signatures do not match the " 4426 + "previously installed version; ignoring!"); 4427 } 4428 } 4429 4430 // Check for shared user signatures 4431 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4432 // Already existing package. Make sure signatures match 4433 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4434 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4435 if (!match) { 4436 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4437 == PackageManager.SIGNATURE_MATCH; 4438 } 4439 if (!match) { 4440 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4441 "Package " + pkg.packageName 4442 + " has no signatures that match those in shared user " 4443 + pkgSetting.sharedUser.name + "; ignoring!"); 4444 } 4445 } 4446 } 4447 4448 /** 4449 * Enforces that only the system UID or root's UID can call a method exposed 4450 * via Binder. 4451 * 4452 * @param message used as message if SecurityException is thrown 4453 * @throws SecurityException if the caller is not system or root 4454 */ 4455 private static final void enforceSystemOrRoot(String message) { 4456 final int uid = Binder.getCallingUid(); 4457 if (uid != Process.SYSTEM_UID && uid != 0) { 4458 throw new SecurityException(message); 4459 } 4460 } 4461 4462 @Override 4463 public void performBootDexOpt() { 4464 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4465 4466 final ArraySet<PackageParser.Package> pkgs; 4467 synchronized (mPackages) { 4468 pkgs = mDeferredDexOpt; 4469 mDeferredDexOpt = null; 4470 } 4471 4472 if (pkgs != null) { 4473 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4474 // in case the device runs out of space. 4475 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4476 // Give priority to core apps. 4477 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4478 PackageParser.Package pkg = it.next(); 4479 if (pkg.coreApp) { 4480 if (DEBUG_DEXOPT) { 4481 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4482 } 4483 sortedPkgs.add(pkg); 4484 it.remove(); 4485 } 4486 } 4487 // Give priority to system apps that listen for pre boot complete. 4488 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4489 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4490 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4491 PackageParser.Package pkg = it.next(); 4492 if (pkgNames.contains(pkg.packageName)) { 4493 if (DEBUG_DEXOPT) { 4494 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4495 } 4496 sortedPkgs.add(pkg); 4497 it.remove(); 4498 } 4499 } 4500 // Give priority to system apps. 4501 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4502 PackageParser.Package pkg = it.next(); 4503 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4504 if (DEBUG_DEXOPT) { 4505 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4506 } 4507 sortedPkgs.add(pkg); 4508 it.remove(); 4509 } 4510 } 4511 // Give priority to updated system apps. 4512 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4513 PackageParser.Package pkg = it.next(); 4514 if (isUpdatedSystemApp(pkg)) { 4515 if (DEBUG_DEXOPT) { 4516 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4517 } 4518 sortedPkgs.add(pkg); 4519 it.remove(); 4520 } 4521 } 4522 // Give priority to apps that listen for boot complete. 4523 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4524 pkgNames = getPackageNamesForIntent(intent); 4525 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4526 PackageParser.Package pkg = it.next(); 4527 if (pkgNames.contains(pkg.packageName)) { 4528 if (DEBUG_DEXOPT) { 4529 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4530 } 4531 sortedPkgs.add(pkg); 4532 it.remove(); 4533 } 4534 } 4535 // Filter out packages that aren't recently used. 4536 filterRecentlyUsedApps(pkgs); 4537 // Add all remaining apps. 4538 for (PackageParser.Package pkg : pkgs) { 4539 if (DEBUG_DEXOPT) { 4540 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4541 } 4542 sortedPkgs.add(pkg); 4543 } 4544 4545 int i = 0; 4546 int total = sortedPkgs.size(); 4547 File dataDir = Environment.getDataDirectory(); 4548 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4549 if (lowThreshold == 0) { 4550 throw new IllegalStateException("Invalid low memory threshold"); 4551 } 4552 for (PackageParser.Package pkg : sortedPkgs) { 4553 long usableSpace = dataDir.getUsableSpace(); 4554 if (usableSpace < lowThreshold) { 4555 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4556 break; 4557 } 4558 performBootDexOpt(pkg, ++i, total); 4559 } 4560 } 4561 } 4562 4563 private void filterRecentlyUsedApps(ArraySet<PackageParser.Package> pkgs) { 4564 // Filter out packages that aren't recently used. 4565 // 4566 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4567 // should do a full dexopt. 4568 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4569 // TODO: add a property to control this? 4570 long dexOptLRUThresholdInMinutes; 4571 if (mLazyDexOpt) { 4572 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4573 } else { 4574 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4575 } 4576 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4577 4578 int total = pkgs.size(); 4579 int skipped = 0; 4580 long now = System.currentTimeMillis(); 4581 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4582 PackageParser.Package pkg = i.next(); 4583 long then = pkg.mLastPackageUsageTimeInMills; 4584 if (then + dexOptLRUThresholdInMills < now) { 4585 if (DEBUG_DEXOPT) { 4586 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4587 ((then == 0) ? "never" : new Date(then))); 4588 } 4589 i.remove(); 4590 skipped++; 4591 } 4592 } 4593 if (DEBUG_DEXOPT) { 4594 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4595 } 4596 } 4597 } 4598 4599 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4600 List<ResolveInfo> ris = null; 4601 try { 4602 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4603 intent, null, 0, UserHandle.USER_OWNER); 4604 } catch (RemoteException e) { 4605 } 4606 ArraySet<String> pkgNames = new ArraySet<String>(); 4607 if (ris != null) { 4608 for (ResolveInfo ri : ris) { 4609 pkgNames.add(ri.activityInfo.packageName); 4610 } 4611 } 4612 return pkgNames; 4613 } 4614 4615 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4616 if (DEBUG_DEXOPT) { 4617 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4618 } 4619 if (!isFirstBoot()) { 4620 try { 4621 ActivityManagerNative.getDefault().showBootMessage( 4622 mContext.getResources().getString(R.string.android_upgrading_apk, 4623 curr, total), true); 4624 } catch (RemoteException e) { 4625 } 4626 } 4627 PackageParser.Package p = pkg; 4628 synchronized (mInstallLock) { 4629 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4630 false /* defer */, true /* include dependencies */); 4631 } 4632 } 4633 4634 @Override 4635 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4636 return performDexOpt(packageName, instructionSet, false); 4637 } 4638 4639 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4640 if (info.primaryCpuAbi == null) { 4641 return getPreferredInstructionSet(); 4642 } 4643 4644 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4645 } 4646 4647 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4648 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4649 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4650 if (!dexopt && !updateUsage) { 4651 // We aren't going to dexopt or update usage, so bail early. 4652 return false; 4653 } 4654 PackageParser.Package p; 4655 final String targetInstructionSet; 4656 synchronized (mPackages) { 4657 p = mPackages.get(packageName); 4658 if (p == null) { 4659 return false; 4660 } 4661 if (updateUsage) { 4662 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4663 } 4664 mPackageUsage.write(false); 4665 if (!dexopt) { 4666 // We aren't going to dexopt, so bail early. 4667 return false; 4668 } 4669 4670 targetInstructionSet = instructionSet != null ? instructionSet : 4671 getPrimaryInstructionSet(p.applicationInfo); 4672 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4673 return false; 4674 } 4675 } 4676 4677 synchronized (mInstallLock) { 4678 final String[] instructionSets = new String[] { targetInstructionSet }; 4679 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4680 true /* include dependencies */) == DEX_OPT_PERFORMED; 4681 } 4682 } 4683 4684 public ArraySet<String> getPackagesThatNeedDexOpt() { 4685 ArraySet<String> pkgs = null; 4686 synchronized (mPackages) { 4687 for (PackageParser.Package p : mPackages.values()) { 4688 if (DEBUG_DEXOPT) { 4689 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4690 } 4691 if (!p.mDexOptPerformed.isEmpty()) { 4692 continue; 4693 } 4694 if (pkgs == null) { 4695 pkgs = new ArraySet<String>(); 4696 } 4697 pkgs.add(p.packageName); 4698 } 4699 } 4700 return pkgs; 4701 } 4702 4703 public void shutdown() { 4704 mPackageUsage.write(true); 4705 } 4706 4707 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4708 boolean forceDex, boolean defer, ArraySet<String> done) { 4709 for (int i=0; i<libs.size(); i++) { 4710 PackageParser.Package libPkg; 4711 String libName; 4712 synchronized (mPackages) { 4713 libName = libs.get(i); 4714 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4715 if (lib != null && lib.apk != null) { 4716 libPkg = mPackages.get(lib.apk); 4717 } else { 4718 libPkg = null; 4719 } 4720 } 4721 if (libPkg != null && !done.contains(libName)) { 4722 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4723 } 4724 } 4725 } 4726 4727 static final int DEX_OPT_SKIPPED = 0; 4728 static final int DEX_OPT_PERFORMED = 1; 4729 static final int DEX_OPT_DEFERRED = 2; 4730 static final int DEX_OPT_FAILED = -1; 4731 4732 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4733 boolean forceDex, boolean defer, ArraySet<String> done) { 4734 final String[] instructionSets = targetInstructionSets != null ? 4735 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4736 4737 if (done != null) { 4738 done.add(pkg.packageName); 4739 if (pkg.usesLibraries != null) { 4740 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4741 } 4742 if (pkg.usesOptionalLibraries != null) { 4743 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4744 } 4745 } 4746 4747 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4748 return DEX_OPT_SKIPPED; 4749 } 4750 4751 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4752 4753 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4754 boolean performedDexOpt = false; 4755 // There are three basic cases here: 4756 // 1.) we need to dexopt, either because we are forced or it is needed 4757 // 2.) we are defering a needed dexopt 4758 // 3.) we are skipping an unneeded dexopt 4759 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4760 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4761 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4762 continue; 4763 } 4764 4765 for (String path : paths) { 4766 try { 4767 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4768 // patckage or the one we find does not match the image checksum (i.e. it was 4769 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4770 // odex file and it matches the checksum of the image but not its base address, 4771 // meaning we need to move it. 4772 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4773 pkg.packageName, dexCodeInstructionSet, defer); 4774 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4775 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4776 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4777 + " vmSafeMode=" + vmSafeMode); 4778 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4779 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4780 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4781 4782 if (ret < 0) { 4783 // Don't bother running dexopt again if we failed, it will probably 4784 // just result in an error again. Also, don't bother dexopting for other 4785 // paths & ISAs. 4786 return DEX_OPT_FAILED; 4787 } 4788 4789 performedDexOpt = true; 4790 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4791 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4792 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4793 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4794 pkg.packageName, dexCodeInstructionSet); 4795 4796 if (ret < 0) { 4797 // Don't bother running patchoat again if we failed, it will probably 4798 // just result in an error again. Also, don't bother dexopting for other 4799 // paths & ISAs. 4800 return DEX_OPT_FAILED; 4801 } 4802 4803 performedDexOpt = true; 4804 } 4805 4806 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4807 // paths and instruction sets. We'll deal with them all together when we process 4808 // our list of deferred dexopts. 4809 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4810 if (mDeferredDexOpt == null) { 4811 mDeferredDexOpt = new ArraySet<PackageParser.Package>(); 4812 } 4813 mDeferredDexOpt.add(pkg); 4814 return DEX_OPT_DEFERRED; 4815 } 4816 } catch (FileNotFoundException e) { 4817 Slog.w(TAG, "Apk not found for dexopt: " + path); 4818 return DEX_OPT_FAILED; 4819 } catch (IOException e) { 4820 Slog.w(TAG, "IOException reading apk: " + path, e); 4821 return DEX_OPT_FAILED; 4822 } catch (StaleDexCacheError e) { 4823 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4824 return DEX_OPT_FAILED; 4825 } catch (Exception e) { 4826 Slog.w(TAG, "Exception when doing dexopt : ", e); 4827 return DEX_OPT_FAILED; 4828 } 4829 } 4830 4831 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4832 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4833 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4834 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4835 // it. 4836 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4837 } 4838 4839 // If we've gotten here, we're sure that no error occurred and that we haven't 4840 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4841 // we've skipped all of them because they are up to date. In both cases this 4842 // package doesn't need dexopt any longer. 4843 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4844 } 4845 4846 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4847 if (info.primaryCpuAbi != null) { 4848 if (info.secondaryCpuAbi != null) { 4849 return new String[] { 4850 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4851 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4852 } else { 4853 return new String[] { 4854 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4855 } 4856 } 4857 4858 return new String[] { getPreferredInstructionSet() }; 4859 } 4860 4861 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4862 if (ps.primaryCpuAbiString != null) { 4863 if (ps.secondaryCpuAbiString != null) { 4864 return new String[] { 4865 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4866 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4867 } else { 4868 return new String[] { 4869 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4870 } 4871 } 4872 4873 return new String[] { getPreferredInstructionSet() }; 4874 } 4875 4876 private static String getPreferredInstructionSet() { 4877 if (sPreferredInstructionSet == null) { 4878 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4879 } 4880 4881 return sPreferredInstructionSet; 4882 } 4883 4884 private static List<String> getAllInstructionSets() { 4885 final String[] allAbis = Build.SUPPORTED_ABIS; 4886 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4887 4888 for (String abi : allAbis) { 4889 final String instructionSet = VMRuntime.getInstructionSet(abi); 4890 if (!allInstructionSets.contains(instructionSet)) { 4891 allInstructionSets.add(instructionSet); 4892 } 4893 } 4894 4895 return allInstructionSets; 4896 } 4897 4898 /** 4899 * Returns the instruction set that should be used to compile dex code. In the presence of 4900 * a native bridge this might be different than the one shared libraries use. 4901 */ 4902 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4903 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4904 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4905 } 4906 4907 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4908 ArraySet<String> dexCodeInstructionSets = new ArraySet<String>(instructionSets.length); 4909 for (String instructionSet : instructionSets) { 4910 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4911 } 4912 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4913 } 4914 4915 /** 4916 * Returns deduplicated list of supported instructions for dex code. 4917 */ 4918 public static String[] getAllDexCodeInstructionSets() { 4919 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4920 for (int i = 0; i < supportedInstructionSets.length; i++) { 4921 String abi = Build.SUPPORTED_ABIS[i]; 4922 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4923 } 4924 return getDexCodeInstructionSets(supportedInstructionSets); 4925 } 4926 4927 @Override 4928 public void forceDexOpt(String packageName) { 4929 enforceSystemOrRoot("forceDexOpt"); 4930 4931 PackageParser.Package pkg; 4932 synchronized (mPackages) { 4933 pkg = mPackages.get(packageName); 4934 if (pkg == null) { 4935 throw new IllegalArgumentException("Missing package: " + packageName); 4936 } 4937 } 4938 4939 synchronized (mInstallLock) { 4940 final String[] instructionSets = new String[] { 4941 getPrimaryInstructionSet(pkg.applicationInfo) }; 4942 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4943 if (res != DEX_OPT_PERFORMED) { 4944 throw new IllegalStateException("Failed to dexopt: " + res); 4945 } 4946 } 4947 } 4948 4949 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4950 boolean forceDex, boolean defer, boolean inclDependencies) { 4951 ArraySet<String> done; 4952 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4953 done = new ArraySet<String>(); 4954 done.add(pkg.packageName); 4955 } else { 4956 done = null; 4957 } 4958 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4959 } 4960 4961 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4962 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4963 Slog.w(TAG, "Unable to update from " + oldPkg.name 4964 + " to " + newPkg.packageName 4965 + ": old package not in system partition"); 4966 return false; 4967 } else if (mPackages.get(oldPkg.name) != null) { 4968 Slog.w(TAG, "Unable to update from " + oldPkg.name 4969 + " to " + newPkg.packageName 4970 + ": old package still exists"); 4971 return false; 4972 } 4973 return true; 4974 } 4975 4976 File getDataPathForUser(int userId) { 4977 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4978 } 4979 4980 private File getDataPathForPackage(String packageName, int userId) { 4981 /* 4982 * Until we fully support multiple users, return the directory we 4983 * previously would have. The PackageManagerTests will need to be 4984 * revised when this is changed back.. 4985 */ 4986 if (userId == 0) { 4987 return new File(mAppDataDir, packageName); 4988 } else { 4989 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4990 + File.separator + packageName); 4991 } 4992 } 4993 4994 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4995 int[] users = sUserManager.getUserIds(); 4996 int res = mInstaller.install(packageName, uid, uid, seinfo); 4997 if (res < 0) { 4998 return res; 4999 } 5000 for (int user : users) { 5001 if (user != 0) { 5002 res = mInstaller.createUserData(packageName, 5003 UserHandle.getUid(user, uid), user, seinfo); 5004 if (res < 0) { 5005 return res; 5006 } 5007 } 5008 } 5009 return res; 5010 } 5011 5012 private int removeDataDirsLI(String packageName) { 5013 int[] users = sUserManager.getUserIds(); 5014 int res = 0; 5015 for (int user : users) { 5016 int resInner = mInstaller.remove(packageName, user); 5017 if (resInner < 0) { 5018 res = resInner; 5019 } 5020 } 5021 5022 return res; 5023 } 5024 5025 private int deleteCodeCacheDirsLI(String packageName) { 5026 int[] users = sUserManager.getUserIds(); 5027 int res = 0; 5028 for (int user : users) { 5029 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5030 if (resInner < 0) { 5031 res = resInner; 5032 } 5033 } 5034 return res; 5035 } 5036 5037 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5038 PackageParser.Package changingLib) { 5039 if (file.path != null) { 5040 usesLibraryFiles.add(file.path); 5041 return; 5042 } 5043 PackageParser.Package p = mPackages.get(file.apk); 5044 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5045 // If we are doing this while in the middle of updating a library apk, 5046 // then we need to make sure to use that new apk for determining the 5047 // dependencies here. (We haven't yet finished committing the new apk 5048 // to the package manager state.) 5049 if (p == null || p.packageName.equals(changingLib.packageName)) { 5050 p = changingLib; 5051 } 5052 } 5053 if (p != null) { 5054 usesLibraryFiles.addAll(p.getAllCodePaths()); 5055 } 5056 } 5057 5058 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5059 PackageParser.Package changingLib) throws PackageManagerException { 5060 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5061 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5062 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5063 for (int i=0; i<N; i++) { 5064 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5065 if (file == null) { 5066 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5067 "Package " + pkg.packageName + " requires unavailable shared library " 5068 + pkg.usesLibraries.get(i) + "; failing!"); 5069 } 5070 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5071 } 5072 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5073 for (int i=0; i<N; i++) { 5074 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5075 if (file == null) { 5076 Slog.w(TAG, "Package " + pkg.packageName 5077 + " desires unavailable shared library " 5078 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5079 } else { 5080 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5081 } 5082 } 5083 N = usesLibraryFiles.size(); 5084 if (N > 0) { 5085 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5086 } else { 5087 pkg.usesLibraryFiles = null; 5088 } 5089 } 5090 } 5091 5092 private static boolean hasString(List<String> list, List<String> which) { 5093 if (list == null) { 5094 return false; 5095 } 5096 for (int i=list.size()-1; i>=0; i--) { 5097 for (int j=which.size()-1; j>=0; j--) { 5098 if (which.get(j).equals(list.get(i))) { 5099 return true; 5100 } 5101 } 5102 } 5103 return false; 5104 } 5105 5106 private void updateAllSharedLibrariesLPw() { 5107 for (PackageParser.Package pkg : mPackages.values()) { 5108 try { 5109 updateSharedLibrariesLPw(pkg, null); 5110 } catch (PackageManagerException e) { 5111 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5112 } 5113 } 5114 } 5115 5116 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5117 PackageParser.Package changingPkg) { 5118 ArrayList<PackageParser.Package> res = null; 5119 for (PackageParser.Package pkg : mPackages.values()) { 5120 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5121 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5122 if (res == null) { 5123 res = new ArrayList<PackageParser.Package>(); 5124 } 5125 res.add(pkg); 5126 try { 5127 updateSharedLibrariesLPw(pkg, changingPkg); 5128 } catch (PackageManagerException e) { 5129 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5130 } 5131 } 5132 } 5133 return res; 5134 } 5135 5136 /** 5137 * Derive the value of the {@code cpuAbiOverride} based on the provided 5138 * value and an optional stored value from the package settings. 5139 */ 5140 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5141 String cpuAbiOverride = null; 5142 5143 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5144 cpuAbiOverride = null; 5145 } else if (abiOverride != null) { 5146 cpuAbiOverride = abiOverride; 5147 } else if (settings != null) { 5148 cpuAbiOverride = settings.cpuAbiOverrideString; 5149 } 5150 5151 return cpuAbiOverride; 5152 } 5153 5154 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5155 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5156 boolean success = false; 5157 try { 5158 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5159 currentTime, user); 5160 success = true; 5161 return res; 5162 } finally { 5163 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5164 removeDataDirsLI(pkg.packageName); 5165 } 5166 } 5167 } 5168 5169 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5170 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5171 final File scanFile = new File(pkg.codePath); 5172 if (pkg.applicationInfo.getCodePath() == null || 5173 pkg.applicationInfo.getResourcePath() == null) { 5174 // Bail out. The resource and code paths haven't been set. 5175 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5176 "Code and resource paths haven't been set correctly"); 5177 } 5178 5179 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5180 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5181 } else { 5182 // Only allow system apps to be flagged as core apps. 5183 pkg.coreApp = false; 5184 } 5185 5186 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5187 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5188 } 5189 5190 if (mCustomResolverComponentName != null && 5191 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5192 setUpCustomResolverActivity(pkg); 5193 } 5194 5195 if (pkg.packageName.equals("android")) { 5196 synchronized (mPackages) { 5197 if (mAndroidApplication != null) { 5198 Slog.w(TAG, "*************************************************"); 5199 Slog.w(TAG, "Core android package being redefined. Skipping."); 5200 Slog.w(TAG, " file=" + scanFile); 5201 Slog.w(TAG, "*************************************************"); 5202 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5203 "Core android package being redefined. Skipping."); 5204 } 5205 5206 // Set up information for our fall-back user intent resolution activity. 5207 mPlatformPackage = pkg; 5208 pkg.mVersionCode = mSdkVersion; 5209 mAndroidApplication = pkg.applicationInfo; 5210 5211 if (!mResolverReplaced) { 5212 mResolveActivity.applicationInfo = mAndroidApplication; 5213 mResolveActivity.name = ResolverActivity.class.getName(); 5214 mResolveActivity.packageName = mAndroidApplication.packageName; 5215 mResolveActivity.processName = "system:ui"; 5216 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5217 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5218 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5219 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5220 mResolveActivity.exported = true; 5221 mResolveActivity.enabled = true; 5222 mResolveInfo.activityInfo = mResolveActivity; 5223 mResolveInfo.priority = 0; 5224 mResolveInfo.preferredOrder = 0; 5225 mResolveInfo.match = 0; 5226 mResolveComponentName = new ComponentName( 5227 mAndroidApplication.packageName, mResolveActivity.name); 5228 } 5229 } 5230 } 5231 5232 if (DEBUG_PACKAGE_SCANNING) { 5233 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5234 Log.d(TAG, "Scanning package " + pkg.packageName); 5235 } 5236 5237 if (mPackages.containsKey(pkg.packageName) 5238 || mSharedLibraries.containsKey(pkg.packageName)) { 5239 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5240 "Application package " + pkg.packageName 5241 + " already installed. Skipping duplicate."); 5242 } 5243 5244 // Initialize package source and resource directories 5245 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5246 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5247 5248 SharedUserSetting suid = null; 5249 PackageSetting pkgSetting = null; 5250 5251 if (!isSystemApp(pkg)) { 5252 // Only system apps can use these features. 5253 pkg.mOriginalPackages = null; 5254 pkg.mRealPackage = null; 5255 pkg.mAdoptPermissions = null; 5256 } 5257 5258 // writer 5259 synchronized (mPackages) { 5260 if (pkg.mSharedUserId != null) { 5261 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5262 if (suid == null) { 5263 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5264 "Creating application package " + pkg.packageName 5265 + " for shared user failed"); 5266 } 5267 if (DEBUG_PACKAGE_SCANNING) { 5268 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5269 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5270 + "): packages=" + suid.packages); 5271 } 5272 } 5273 5274 // Check if we are renaming from an original package name. 5275 PackageSetting origPackage = null; 5276 String realName = null; 5277 if (pkg.mOriginalPackages != null) { 5278 // This package may need to be renamed to a previously 5279 // installed name. Let's check on that... 5280 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5281 if (pkg.mOriginalPackages.contains(renamed)) { 5282 // This package had originally been installed as the 5283 // original name, and we have already taken care of 5284 // transitioning to the new one. Just update the new 5285 // one to continue using the old name. 5286 realName = pkg.mRealPackage; 5287 if (!pkg.packageName.equals(renamed)) { 5288 // Callers into this function may have already taken 5289 // care of renaming the package; only do it here if 5290 // it is not already done. 5291 pkg.setPackageName(renamed); 5292 } 5293 5294 } else { 5295 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5296 if ((origPackage = mSettings.peekPackageLPr( 5297 pkg.mOriginalPackages.get(i))) != null) { 5298 // We do have the package already installed under its 5299 // original name... should we use it? 5300 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5301 // New package is not compatible with original. 5302 origPackage = null; 5303 continue; 5304 } else if (origPackage.sharedUser != null) { 5305 // Make sure uid is compatible between packages. 5306 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5307 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5308 + " to " + pkg.packageName + ": old uid " 5309 + origPackage.sharedUser.name 5310 + " differs from " + pkg.mSharedUserId); 5311 origPackage = null; 5312 continue; 5313 } 5314 } else { 5315 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5316 + pkg.packageName + " to old name " + origPackage.name); 5317 } 5318 break; 5319 } 5320 } 5321 } 5322 } 5323 5324 if (mTransferedPackages.contains(pkg.packageName)) { 5325 Slog.w(TAG, "Package " + pkg.packageName 5326 + " was transferred to another, but its .apk remains"); 5327 } 5328 5329 // Just create the setting, don't add it yet. For already existing packages 5330 // the PkgSetting exists already and doesn't have to be created. 5331 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5332 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5333 pkg.applicationInfo.primaryCpuAbi, 5334 pkg.applicationInfo.secondaryCpuAbi, 5335 pkg.applicationInfo.flags, user, false); 5336 if (pkgSetting == null) { 5337 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5338 "Creating application package " + pkg.packageName + " failed"); 5339 } 5340 5341 if (pkgSetting.origPackage != null) { 5342 // If we are first transitioning from an original package, 5343 // fix up the new package's name now. We need to do this after 5344 // looking up the package under its new name, so getPackageLP 5345 // can take care of fiddling things correctly. 5346 pkg.setPackageName(origPackage.name); 5347 5348 // File a report about this. 5349 String msg = "New package " + pkgSetting.realName 5350 + " renamed to replace old package " + pkgSetting.name; 5351 reportSettingsProblem(Log.WARN, msg); 5352 5353 // Make a note of it. 5354 mTransferedPackages.add(origPackage.name); 5355 5356 // No longer need to retain this. 5357 pkgSetting.origPackage = null; 5358 } 5359 5360 if (realName != null) { 5361 // Make a note of it. 5362 mTransferedPackages.add(pkg.packageName); 5363 } 5364 5365 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5366 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5367 } 5368 5369 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5370 // Check all shared libraries and map to their actual file path. 5371 // We only do this here for apps not on a system dir, because those 5372 // are the only ones that can fail an install due to this. We 5373 // will take care of the system apps by updating all of their 5374 // library paths after the scan is done. 5375 updateSharedLibrariesLPw(pkg, null); 5376 } 5377 5378 if (mFoundPolicyFile) { 5379 SELinuxMMAC.assignSeinfoValue(pkg); 5380 } 5381 5382 pkg.applicationInfo.uid = pkgSetting.appId; 5383 pkg.mExtras = pkgSetting; 5384 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5385 try { 5386 verifySignaturesLP(pkgSetting, pkg); 5387 } catch (PackageManagerException e) { 5388 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5389 throw e; 5390 } 5391 // The signature has changed, but this package is in the system 5392 // image... let's recover! 5393 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5394 // However... if this package is part of a shared user, but it 5395 // doesn't match the signature of the shared user, let's fail. 5396 // What this means is that you can't change the signatures 5397 // associated with an overall shared user, which doesn't seem all 5398 // that unreasonable. 5399 if (pkgSetting.sharedUser != null) { 5400 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5401 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5402 throw new PackageManagerException( 5403 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5404 "Signature mismatch for shared user : " 5405 + pkgSetting.sharedUser); 5406 } 5407 } 5408 // File a report about this. 5409 String msg = "System package " + pkg.packageName 5410 + " signature changed; retaining data."; 5411 reportSettingsProblem(Log.WARN, msg); 5412 } 5413 } else { 5414 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5415 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5416 + pkg.packageName + " upgrade keys do not match the " 5417 + "previously installed version"); 5418 } else { 5419 // signatures may have changed as result of upgrade 5420 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5421 } 5422 } 5423 // Verify that this new package doesn't have any content providers 5424 // that conflict with existing packages. Only do this if the 5425 // package isn't already installed, since we don't want to break 5426 // things that are installed. 5427 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5428 final int N = pkg.providers.size(); 5429 int i; 5430 for (i=0; i<N; i++) { 5431 PackageParser.Provider p = pkg.providers.get(i); 5432 if (p.info.authority != null) { 5433 String names[] = p.info.authority.split(";"); 5434 for (int j = 0; j < names.length; j++) { 5435 if (mProvidersByAuthority.containsKey(names[j])) { 5436 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5437 final String otherPackageName = 5438 ((other != null && other.getComponentName() != null) ? 5439 other.getComponentName().getPackageName() : "?"); 5440 throw new PackageManagerException( 5441 INSTALL_FAILED_CONFLICTING_PROVIDER, 5442 "Can't install because provider name " + names[j] 5443 + " (in package " + pkg.applicationInfo.packageName 5444 + ") is already used by " + otherPackageName); 5445 } 5446 } 5447 } 5448 } 5449 } 5450 5451 if (pkg.mAdoptPermissions != null) { 5452 // This package wants to adopt ownership of permissions from 5453 // another package. 5454 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5455 final String origName = pkg.mAdoptPermissions.get(i); 5456 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5457 if (orig != null) { 5458 if (verifyPackageUpdateLPr(orig, pkg)) { 5459 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5460 + pkg.packageName); 5461 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5462 } 5463 } 5464 } 5465 } 5466 } 5467 5468 final String pkgName = pkg.packageName; 5469 5470 final long scanFileTime = scanFile.lastModified(); 5471 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5472 pkg.applicationInfo.processName = fixProcessName( 5473 pkg.applicationInfo.packageName, 5474 pkg.applicationInfo.processName, 5475 pkg.applicationInfo.uid); 5476 5477 File dataPath; 5478 if (mPlatformPackage == pkg) { 5479 // The system package is special. 5480 dataPath = new File(Environment.getDataDirectory(), "system"); 5481 5482 pkg.applicationInfo.dataDir = dataPath.getPath(); 5483 5484 } else { 5485 // This is a normal package, need to make its data directory. 5486 dataPath = getDataPathForPackage(pkg.packageName, 0); 5487 5488 boolean uidError = false; 5489 if (dataPath.exists()) { 5490 int currentUid = 0; 5491 try { 5492 StructStat stat = Os.stat(dataPath.getPath()); 5493 currentUid = stat.st_uid; 5494 } catch (ErrnoException e) { 5495 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5496 } 5497 5498 // If we have mismatched owners for the data path, we have a problem. 5499 if (currentUid != pkg.applicationInfo.uid) { 5500 boolean recovered = false; 5501 if (currentUid == 0) { 5502 // The directory somehow became owned by root. Wow. 5503 // This is probably because the system was stopped while 5504 // installd was in the middle of messing with its libs 5505 // directory. Ask installd to fix that. 5506 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5507 pkg.applicationInfo.uid); 5508 if (ret >= 0) { 5509 recovered = true; 5510 String msg = "Package " + pkg.packageName 5511 + " unexpectedly changed to uid 0; recovered to " + 5512 + pkg.applicationInfo.uid; 5513 reportSettingsProblem(Log.WARN, msg); 5514 } 5515 } 5516 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5517 || (scanFlags&SCAN_BOOTING) != 0)) { 5518 // If this is a system app, we can at least delete its 5519 // current data so the application will still work. 5520 int ret = removeDataDirsLI(pkgName); 5521 if (ret >= 0) { 5522 // TODO: Kill the processes first 5523 // Old data gone! 5524 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5525 ? "System package " : "Third party package "; 5526 String msg = prefix + pkg.packageName 5527 + " has changed from uid: " 5528 + currentUid + " to " 5529 + pkg.applicationInfo.uid + "; old data erased"; 5530 reportSettingsProblem(Log.WARN, msg); 5531 recovered = true; 5532 5533 // And now re-install the app. 5534 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5535 pkg.applicationInfo.seinfo); 5536 if (ret == -1) { 5537 // Ack should not happen! 5538 msg = prefix + pkg.packageName 5539 + " could not have data directory re-created after delete."; 5540 reportSettingsProblem(Log.WARN, msg); 5541 throw new PackageManagerException( 5542 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5543 } 5544 } 5545 if (!recovered) { 5546 mHasSystemUidErrors = true; 5547 } 5548 } else if (!recovered) { 5549 // If we allow this install to proceed, we will be broken. 5550 // Abort, abort! 5551 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5552 "scanPackageLI"); 5553 } 5554 if (!recovered) { 5555 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5556 + pkg.applicationInfo.uid + "/fs_" 5557 + currentUid; 5558 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5559 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5560 String msg = "Package " + pkg.packageName 5561 + " has mismatched uid: " 5562 + currentUid + " on disk, " 5563 + pkg.applicationInfo.uid + " in settings"; 5564 // writer 5565 synchronized (mPackages) { 5566 mSettings.mReadMessages.append(msg); 5567 mSettings.mReadMessages.append('\n'); 5568 uidError = true; 5569 if (!pkgSetting.uidError) { 5570 reportSettingsProblem(Log.ERROR, msg); 5571 } 5572 } 5573 } 5574 } 5575 pkg.applicationInfo.dataDir = dataPath.getPath(); 5576 if (mShouldRestoreconData) { 5577 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5578 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5579 pkg.applicationInfo.uid); 5580 } 5581 } else { 5582 if (DEBUG_PACKAGE_SCANNING) { 5583 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5584 Log.v(TAG, "Want this data dir: " + dataPath); 5585 } 5586 //invoke installer to do the actual installation 5587 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5588 pkg.applicationInfo.seinfo); 5589 if (ret < 0) { 5590 // Error from installer 5591 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5592 "Unable to create data dirs [errorCode=" + ret + "]"); 5593 } 5594 5595 if (dataPath.exists()) { 5596 pkg.applicationInfo.dataDir = dataPath.getPath(); 5597 } else { 5598 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5599 pkg.applicationInfo.dataDir = null; 5600 } 5601 } 5602 5603 pkgSetting.uidError = uidError; 5604 } 5605 5606 final String path = scanFile.getPath(); 5607 final String codePath = pkg.applicationInfo.getCodePath(); 5608 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5609 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5610 setBundledAppAbisAndRoots(pkg, pkgSetting); 5611 5612 // If we haven't found any native libraries for the app, check if it has 5613 // renderscript code. We'll need to force the app to 32 bit if it has 5614 // renderscript bitcode. 5615 if (pkg.applicationInfo.primaryCpuAbi == null 5616 && pkg.applicationInfo.secondaryCpuAbi == null 5617 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5618 NativeLibraryHelper.Handle handle = null; 5619 try { 5620 handle = NativeLibraryHelper.Handle.create(scanFile); 5621 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5622 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5623 } 5624 } catch (IOException ioe) { 5625 Slog.w(TAG, "Error scanning system app : " + ioe); 5626 } finally { 5627 IoUtils.closeQuietly(handle); 5628 } 5629 } 5630 5631 setNativeLibraryPaths(pkg); 5632 } else { 5633 // TODO: We can probably be smarter about this stuff. For installed apps, 5634 // we can calculate this information at install time once and for all. For 5635 // system apps, we can probably assume that this information doesn't change 5636 // after the first boot scan. As things stand, we do lots of unnecessary work. 5637 5638 // Give ourselves some initial paths; we'll come back for another 5639 // pass once we've determined ABI below. 5640 setNativeLibraryPaths(pkg); 5641 5642 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5643 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5644 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5645 5646 NativeLibraryHelper.Handle handle = null; 5647 try { 5648 handle = NativeLibraryHelper.Handle.create(scanFile); 5649 // TODO(multiArch): This can be null for apps that didn't go through the 5650 // usual installation process. We can calculate it again, like we 5651 // do during install time. 5652 // 5653 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5654 // unnecessary. 5655 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5656 5657 // Null out the abis so that they can be recalculated. 5658 pkg.applicationInfo.primaryCpuAbi = null; 5659 pkg.applicationInfo.secondaryCpuAbi = null; 5660 if (isMultiArch(pkg.applicationInfo)) { 5661 // Warn if we've set an abiOverride for multi-lib packages.. 5662 // By definition, we need to copy both 32 and 64 bit libraries for 5663 // such packages. 5664 if (pkg.cpuAbiOverride != null 5665 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5666 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5667 } 5668 5669 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5670 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5671 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5672 if (isAsec) { 5673 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5674 } else { 5675 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5676 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5677 useIsaSpecificSubdirs); 5678 } 5679 } 5680 5681 maybeThrowExceptionForMultiArchCopy( 5682 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5683 5684 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5685 if (isAsec) { 5686 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5687 } else { 5688 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5689 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5690 useIsaSpecificSubdirs); 5691 } 5692 } 5693 5694 maybeThrowExceptionForMultiArchCopy( 5695 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5696 5697 if (abi64 >= 0) { 5698 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5699 } 5700 5701 if (abi32 >= 0) { 5702 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5703 if (abi64 >= 0) { 5704 pkg.applicationInfo.secondaryCpuAbi = abi; 5705 } else { 5706 pkg.applicationInfo.primaryCpuAbi = abi; 5707 } 5708 } 5709 } else { 5710 String[] abiList = (cpuAbiOverride != null) ? 5711 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5712 5713 // Enable gross and lame hacks for apps that are built with old 5714 // SDK tools. We must scan their APKs for renderscript bitcode and 5715 // not launch them if it's present. Don't bother checking on devices 5716 // that don't have 64 bit support. 5717 boolean needsRenderScriptOverride = false; 5718 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5719 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5720 abiList = Build.SUPPORTED_32_BIT_ABIS; 5721 needsRenderScriptOverride = true; 5722 } 5723 5724 final int copyRet; 5725 if (isAsec) { 5726 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5727 } else { 5728 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5729 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5730 } 5731 5732 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5733 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5734 "Error unpackaging native libs for app, errorCode=" + copyRet); 5735 } 5736 5737 if (copyRet >= 0) { 5738 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5739 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5740 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5741 } else if (needsRenderScriptOverride) { 5742 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5743 } 5744 } 5745 } catch (IOException ioe) { 5746 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5747 } finally { 5748 IoUtils.closeQuietly(handle); 5749 } 5750 5751 // Now that we've calculated the ABIs and determined if it's an internal app, 5752 // we will go ahead and populate the nativeLibraryPath. 5753 setNativeLibraryPaths(pkg); 5754 5755 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5756 final int[] userIds = sUserManager.getUserIds(); 5757 synchronized (mInstallLock) { 5758 // Create a native library symlink only if we have native libraries 5759 // and if the native libraries are 32 bit libraries. We do not provide 5760 // this symlink for 64 bit libraries. 5761 if (pkg.applicationInfo.primaryCpuAbi != null && 5762 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5763 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5764 for (int userId : userIds) { 5765 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5766 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5767 "Failed linking native library dir (user=" + userId + ")"); 5768 } 5769 } 5770 } 5771 } 5772 } 5773 5774 // This is a special case for the "system" package, where the ABI is 5775 // dictated by the zygote configuration (and init.rc). We should keep track 5776 // of this ABI so that we can deal with "normal" applications that run under 5777 // the same UID correctly. 5778 if (mPlatformPackage == pkg) { 5779 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5780 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5781 } 5782 5783 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5784 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5785 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5786 // Copy the derived override back to the parsed package, so that we can 5787 // update the package settings accordingly. 5788 pkg.cpuAbiOverride = cpuAbiOverride; 5789 5790 if (DEBUG_ABI_SELECTION) { 5791 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5792 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5793 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5794 } 5795 5796 // Push the derived path down into PackageSettings so we know what to 5797 // clean up at uninstall time. 5798 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5799 5800 if (DEBUG_ABI_SELECTION) { 5801 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5802 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5803 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5804 } 5805 5806 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5807 // We don't do this here during boot because we can do it all 5808 // at once after scanning all existing packages. 5809 // 5810 // We also do this *before* we perform dexopt on this package, so that 5811 // we can avoid redundant dexopts, and also to make sure we've got the 5812 // code and package path correct. 5813 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5814 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5815 } 5816 5817 if ((scanFlags & SCAN_NO_DEX) == 0) { 5818 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5819 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5820 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5821 } 5822 } 5823 5824 if (mFactoryTest && pkg.requestedPermissions.contains( 5825 android.Manifest.permission.FACTORY_TEST)) { 5826 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5827 } 5828 5829 ArrayList<PackageParser.Package> clientLibPkgs = null; 5830 5831 // writer 5832 synchronized (mPackages) { 5833 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5834 // Only system apps can add new shared libraries. 5835 if (pkg.libraryNames != null) { 5836 for (int i=0; i<pkg.libraryNames.size(); i++) { 5837 String name = pkg.libraryNames.get(i); 5838 boolean allowed = false; 5839 if (isUpdatedSystemApp(pkg)) { 5840 // New library entries can only be added through the 5841 // system image. This is important to get rid of a lot 5842 // of nasty edge cases: for example if we allowed a non- 5843 // system update of the app to add a library, then uninstalling 5844 // the update would make the library go away, and assumptions 5845 // we made such as through app install filtering would now 5846 // have allowed apps on the device which aren't compatible 5847 // with it. Better to just have the restriction here, be 5848 // conservative, and create many fewer cases that can negatively 5849 // impact the user experience. 5850 final PackageSetting sysPs = mSettings 5851 .getDisabledSystemPkgLPr(pkg.packageName); 5852 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5853 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5854 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5855 allowed = true; 5856 allowed = true; 5857 break; 5858 } 5859 } 5860 } 5861 } else { 5862 allowed = true; 5863 } 5864 if (allowed) { 5865 if (!mSharedLibraries.containsKey(name)) { 5866 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5867 } else if (!name.equals(pkg.packageName)) { 5868 Slog.w(TAG, "Package " + pkg.packageName + " library " 5869 + name + " already exists; skipping"); 5870 } 5871 } else { 5872 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5873 + name + " that is not declared on system image; skipping"); 5874 } 5875 } 5876 if ((scanFlags&SCAN_BOOTING) == 0) { 5877 // If we are not booting, we need to update any applications 5878 // that are clients of our shared library. If we are booting, 5879 // this will all be done once the scan is complete. 5880 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5881 } 5882 } 5883 } 5884 } 5885 5886 // We also need to dexopt any apps that are dependent on this library. Note that 5887 // if these fail, we should abort the install since installing the library will 5888 // result in some apps being broken. 5889 if (clientLibPkgs != null) { 5890 if ((scanFlags & SCAN_NO_DEX) == 0) { 5891 for (int i = 0; i < clientLibPkgs.size(); i++) { 5892 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5893 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5894 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5895 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5896 "scanPackageLI failed to dexopt clientLibPkgs"); 5897 } 5898 } 5899 } 5900 } 5901 5902 // Request the ActivityManager to kill the process(only for existing packages) 5903 // so that we do not end up in a confused state while the user is still using the older 5904 // version of the application while the new one gets installed. 5905 if ((scanFlags & SCAN_REPLACING) != 0) { 5906 killApplication(pkg.applicationInfo.packageName, 5907 pkg.applicationInfo.uid, "update pkg"); 5908 } 5909 5910 // Also need to kill any apps that are dependent on the library. 5911 if (clientLibPkgs != null) { 5912 for (int i=0; i<clientLibPkgs.size(); i++) { 5913 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5914 killApplication(clientPkg.applicationInfo.packageName, 5915 clientPkg.applicationInfo.uid, "update lib"); 5916 } 5917 } 5918 5919 // writer 5920 synchronized (mPackages) { 5921 // We don't expect installation to fail beyond this point 5922 5923 // Add the new setting to mSettings 5924 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5925 // Add the new setting to mPackages 5926 mPackages.put(pkg.applicationInfo.packageName, pkg); 5927 // Make sure we don't accidentally delete its data. 5928 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5929 while (iter.hasNext()) { 5930 PackageCleanItem item = iter.next(); 5931 if (pkgName.equals(item.packageName)) { 5932 iter.remove(); 5933 } 5934 } 5935 5936 // Take care of first install / last update times. 5937 if (currentTime != 0) { 5938 if (pkgSetting.firstInstallTime == 0) { 5939 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5940 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5941 pkgSetting.lastUpdateTime = currentTime; 5942 } 5943 } else if (pkgSetting.firstInstallTime == 0) { 5944 // We need *something*. Take time time stamp of the file. 5945 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5946 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5947 if (scanFileTime != pkgSetting.timeStamp) { 5948 // A package on the system image has changed; consider this 5949 // to be an update. 5950 pkgSetting.lastUpdateTime = scanFileTime; 5951 } 5952 } 5953 5954 // Add the package's KeySets to the global KeySetManagerService 5955 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5956 try { 5957 // Old KeySetData no longer valid. 5958 ksms.removeAppKeySetDataLPw(pkg.packageName); 5959 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5960 if (pkg.mKeySetMapping != null) { 5961 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5962 pkg.mKeySetMapping.entrySet()) { 5963 if (entry.getValue() != null) { 5964 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5965 entry.getValue(), entry.getKey()); 5966 } 5967 } 5968 if (pkg.mUpgradeKeySets != null) { 5969 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5970 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5971 } 5972 } 5973 } 5974 } catch (NullPointerException e) { 5975 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5976 } catch (IllegalArgumentException e) { 5977 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5978 } 5979 5980 int N = pkg.providers.size(); 5981 StringBuilder r = null; 5982 int i; 5983 for (i=0; i<N; i++) { 5984 PackageParser.Provider p = pkg.providers.get(i); 5985 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5986 p.info.processName, pkg.applicationInfo.uid); 5987 mProviders.addProvider(p); 5988 p.syncable = p.info.isSyncable; 5989 if (p.info.authority != null) { 5990 String names[] = p.info.authority.split(";"); 5991 p.info.authority = null; 5992 for (int j = 0; j < names.length; j++) { 5993 if (j == 1 && p.syncable) { 5994 // We only want the first authority for a provider to possibly be 5995 // syncable, so if we already added this provider using a different 5996 // authority clear the syncable flag. We copy the provider before 5997 // changing it because the mProviders object contains a reference 5998 // to a provider that we don't want to change. 5999 // Only do this for the second authority since the resulting provider 6000 // object can be the same for all future authorities for this provider. 6001 p = new PackageParser.Provider(p); 6002 p.syncable = false; 6003 } 6004 if (!mProvidersByAuthority.containsKey(names[j])) { 6005 mProvidersByAuthority.put(names[j], p); 6006 if (p.info.authority == null) { 6007 p.info.authority = names[j]; 6008 } else { 6009 p.info.authority = p.info.authority + ";" + names[j]; 6010 } 6011 if (DEBUG_PACKAGE_SCANNING) { 6012 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6013 Log.d(TAG, "Registered content provider: " + names[j] 6014 + ", className = " + p.info.name + ", isSyncable = " 6015 + p.info.isSyncable); 6016 } 6017 } else { 6018 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6019 Slog.w(TAG, "Skipping provider name " + names[j] + 6020 " (in package " + pkg.applicationInfo.packageName + 6021 "): name already used by " 6022 + ((other != null && other.getComponentName() != null) 6023 ? other.getComponentName().getPackageName() : "?")); 6024 } 6025 } 6026 } 6027 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6028 if (r == null) { 6029 r = new StringBuilder(256); 6030 } else { 6031 r.append(' '); 6032 } 6033 r.append(p.info.name); 6034 } 6035 } 6036 if (r != null) { 6037 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6038 } 6039 6040 N = pkg.services.size(); 6041 r = null; 6042 for (i=0; i<N; i++) { 6043 PackageParser.Service s = pkg.services.get(i); 6044 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6045 s.info.processName, pkg.applicationInfo.uid); 6046 mServices.addService(s); 6047 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6048 if (r == null) { 6049 r = new StringBuilder(256); 6050 } else { 6051 r.append(' '); 6052 } 6053 r.append(s.info.name); 6054 } 6055 } 6056 if (r != null) { 6057 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6058 } 6059 6060 N = pkg.receivers.size(); 6061 r = null; 6062 for (i=0; i<N; i++) { 6063 PackageParser.Activity a = pkg.receivers.get(i); 6064 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6065 a.info.processName, pkg.applicationInfo.uid); 6066 mReceivers.addActivity(a, "receiver"); 6067 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6068 if (r == null) { 6069 r = new StringBuilder(256); 6070 } else { 6071 r.append(' '); 6072 } 6073 r.append(a.info.name); 6074 } 6075 } 6076 if (r != null) { 6077 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6078 } 6079 6080 N = pkg.activities.size(); 6081 r = null; 6082 for (i=0; i<N; i++) { 6083 PackageParser.Activity a = pkg.activities.get(i); 6084 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6085 a.info.processName, pkg.applicationInfo.uid); 6086 mActivities.addActivity(a, "activity"); 6087 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6088 if (r == null) { 6089 r = new StringBuilder(256); 6090 } else { 6091 r.append(' '); 6092 } 6093 r.append(a.info.name); 6094 } 6095 } 6096 if (r != null) { 6097 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6098 } 6099 6100 N = pkg.permissionGroups.size(); 6101 r = null; 6102 for (i=0; i<N; i++) { 6103 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6104 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6105 if (cur == null) { 6106 mPermissionGroups.put(pg.info.name, pg); 6107 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6108 if (r == null) { 6109 r = new StringBuilder(256); 6110 } else { 6111 r.append(' '); 6112 } 6113 r.append(pg.info.name); 6114 } 6115 } else { 6116 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6117 + pg.info.packageName + " ignored: original from " 6118 + cur.info.packageName); 6119 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6120 if (r == null) { 6121 r = new StringBuilder(256); 6122 } else { 6123 r.append(' '); 6124 } 6125 r.append("DUP:"); 6126 r.append(pg.info.name); 6127 } 6128 } 6129 } 6130 if (r != null) { 6131 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6132 } 6133 6134 N = pkg.permissions.size(); 6135 r = null; 6136 for (i=0; i<N; i++) { 6137 PackageParser.Permission p = pkg.permissions.get(i); 6138 ArrayMap<String, BasePermission> permissionMap = 6139 p.tree ? mSettings.mPermissionTrees 6140 : mSettings.mPermissions; 6141 p.group = mPermissionGroups.get(p.info.group); 6142 if (p.info.group == null || p.group != null) { 6143 BasePermission bp = permissionMap.get(p.info.name); 6144 6145 // Allow system apps to redefine non-system permissions 6146 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6147 final boolean currentOwnerIsSystem = (bp.perm != null 6148 && isSystemApp(bp.perm.owner)); 6149 if (isSystemApp(p.owner)) { 6150 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6151 // It's a built-in permission and no owner, take ownership now 6152 bp.packageSetting = pkgSetting; 6153 bp.perm = p; 6154 bp.uid = pkg.applicationInfo.uid; 6155 bp.sourcePackage = p.info.packageName; 6156 } else if (!currentOwnerIsSystem) { 6157 String msg = "New decl " + p.owner + " of permission " 6158 + p.info.name + " is system; overriding " + bp.sourcePackage; 6159 reportSettingsProblem(Log.WARN, msg); 6160 bp = null; 6161 } 6162 } 6163 } 6164 6165 if (bp == null) { 6166 bp = new BasePermission(p.info.name, p.info.packageName, 6167 BasePermission.TYPE_NORMAL); 6168 permissionMap.put(p.info.name, bp); 6169 } 6170 6171 if (bp.perm == null) { 6172 if (bp.sourcePackage == null 6173 || bp.sourcePackage.equals(p.info.packageName)) { 6174 BasePermission tree = findPermissionTreeLP(p.info.name); 6175 if (tree == null 6176 || tree.sourcePackage.equals(p.info.packageName)) { 6177 bp.packageSetting = pkgSetting; 6178 bp.perm = p; 6179 bp.uid = pkg.applicationInfo.uid; 6180 bp.sourcePackage = p.info.packageName; 6181 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6182 if (r == null) { 6183 r = new StringBuilder(256); 6184 } else { 6185 r.append(' '); 6186 } 6187 r.append(p.info.name); 6188 } 6189 } else { 6190 Slog.w(TAG, "Permission " + p.info.name + " from package " 6191 + p.info.packageName + " ignored: base tree " 6192 + tree.name + " is from package " 6193 + tree.sourcePackage); 6194 } 6195 } else { 6196 Slog.w(TAG, "Permission " + p.info.name + " from package " 6197 + p.info.packageName + " ignored: original from " 6198 + bp.sourcePackage); 6199 } 6200 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6201 if (r == null) { 6202 r = new StringBuilder(256); 6203 } else { 6204 r.append(' '); 6205 } 6206 r.append("DUP:"); 6207 r.append(p.info.name); 6208 } 6209 if (bp.perm == p) { 6210 bp.protectionLevel = p.info.protectionLevel; 6211 } 6212 } else { 6213 Slog.w(TAG, "Permission " + p.info.name + " from package " 6214 + p.info.packageName + " ignored: no group " 6215 + p.group); 6216 } 6217 } 6218 if (r != null) { 6219 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6220 } 6221 6222 N = pkg.instrumentation.size(); 6223 r = null; 6224 for (i=0; i<N; i++) { 6225 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6226 a.info.packageName = pkg.applicationInfo.packageName; 6227 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6228 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6229 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6230 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6231 a.info.dataDir = pkg.applicationInfo.dataDir; 6232 6233 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6234 // need other information about the application, like the ABI and what not ? 6235 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6236 mInstrumentation.put(a.getComponentName(), a); 6237 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6238 if (r == null) { 6239 r = new StringBuilder(256); 6240 } else { 6241 r.append(' '); 6242 } 6243 r.append(a.info.name); 6244 } 6245 } 6246 if (r != null) { 6247 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6248 } 6249 6250 if (pkg.protectedBroadcasts != null) { 6251 N = pkg.protectedBroadcasts.size(); 6252 for (i=0; i<N; i++) { 6253 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6254 } 6255 } 6256 6257 pkgSetting.setTimeStamp(scanFileTime); 6258 6259 // Create idmap files for pairs of (packages, overlay packages). 6260 // Note: "android", ie framework-res.apk, is handled by native layers. 6261 if (pkg.mOverlayTarget != null) { 6262 // This is an overlay package. 6263 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6264 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6265 mOverlays.put(pkg.mOverlayTarget, 6266 new ArrayMap<String, PackageParser.Package>()); 6267 } 6268 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6269 map.put(pkg.packageName, pkg); 6270 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6271 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6272 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6273 "scanPackageLI failed to createIdmap"); 6274 } 6275 } 6276 } else if (mOverlays.containsKey(pkg.packageName) && 6277 !pkg.packageName.equals("android")) { 6278 // This is a regular package, with one or more known overlay packages. 6279 createIdmapsForPackageLI(pkg); 6280 } 6281 } 6282 6283 return pkg; 6284 } 6285 6286 /** 6287 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6288 * i.e, so that all packages can be run inside a single process if required. 6289 * 6290 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6291 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6292 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6293 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6294 * updating a package that belongs to a shared user. 6295 * 6296 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6297 * adds unnecessary complexity. 6298 */ 6299 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6300 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6301 String requiredInstructionSet = null; 6302 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6303 requiredInstructionSet = VMRuntime.getInstructionSet( 6304 scannedPackage.applicationInfo.primaryCpuAbi); 6305 } 6306 6307 PackageSetting requirer = null; 6308 for (PackageSetting ps : packagesForUser) { 6309 // If packagesForUser contains scannedPackage, we skip it. This will happen 6310 // when scannedPackage is an update of an existing package. Without this check, 6311 // we will never be able to change the ABI of any package belonging to a shared 6312 // user, even if it's compatible with other packages. 6313 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6314 if (ps.primaryCpuAbiString == null) { 6315 continue; 6316 } 6317 6318 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6319 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6320 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6321 // this but there's not much we can do. 6322 String errorMessage = "Instruction set mismatch, " 6323 + ((requirer == null) ? "[caller]" : requirer) 6324 + " requires " + requiredInstructionSet + " whereas " + ps 6325 + " requires " + instructionSet; 6326 Slog.w(TAG, errorMessage); 6327 } 6328 6329 if (requiredInstructionSet == null) { 6330 requiredInstructionSet = instructionSet; 6331 requirer = ps; 6332 } 6333 } 6334 } 6335 6336 if (requiredInstructionSet != null) { 6337 String adjustedAbi; 6338 if (requirer != null) { 6339 // requirer != null implies that either scannedPackage was null or that scannedPackage 6340 // did not require an ABI, in which case we have to adjust scannedPackage to match 6341 // the ABI of the set (which is the same as requirer's ABI) 6342 adjustedAbi = requirer.primaryCpuAbiString; 6343 if (scannedPackage != null) { 6344 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6345 } 6346 } else { 6347 // requirer == null implies that we're updating all ABIs in the set to 6348 // match scannedPackage. 6349 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6350 } 6351 6352 for (PackageSetting ps : packagesForUser) { 6353 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6354 if (ps.primaryCpuAbiString != null) { 6355 continue; 6356 } 6357 6358 ps.primaryCpuAbiString = adjustedAbi; 6359 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6360 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6361 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6362 6363 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6364 deferDexOpt, true) == DEX_OPT_FAILED) { 6365 ps.primaryCpuAbiString = null; 6366 ps.pkg.applicationInfo.primaryCpuAbi = null; 6367 return; 6368 } else { 6369 mInstaller.rmdex(ps.codePathString, 6370 getDexCodeInstructionSet(getPreferredInstructionSet())); 6371 } 6372 } 6373 } 6374 } 6375 } 6376 } 6377 6378 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6379 synchronized (mPackages) { 6380 mResolverReplaced = true; 6381 // Set up information for custom user intent resolution activity. 6382 mResolveActivity.applicationInfo = pkg.applicationInfo; 6383 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6384 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6385 mResolveActivity.processName = null; 6386 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6387 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6388 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6389 mResolveActivity.theme = 0; 6390 mResolveActivity.exported = true; 6391 mResolveActivity.enabled = true; 6392 mResolveInfo.activityInfo = mResolveActivity; 6393 mResolveInfo.priority = 0; 6394 mResolveInfo.preferredOrder = 0; 6395 mResolveInfo.match = 0; 6396 mResolveComponentName = mCustomResolverComponentName; 6397 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6398 mResolveComponentName); 6399 } 6400 } 6401 6402 private static String calculateBundledApkRoot(final String codePathString) { 6403 final File codePath = new File(codePathString); 6404 final File codeRoot; 6405 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6406 codeRoot = Environment.getRootDirectory(); 6407 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6408 codeRoot = Environment.getOemDirectory(); 6409 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6410 codeRoot = Environment.getVendorDirectory(); 6411 } else { 6412 // Unrecognized code path; take its top real segment as the apk root: 6413 // e.g. /something/app/blah.apk => /something 6414 try { 6415 File f = codePath.getCanonicalFile(); 6416 File parent = f.getParentFile(); // non-null because codePath is a file 6417 File tmp; 6418 while ((tmp = parent.getParentFile()) != null) { 6419 f = parent; 6420 parent = tmp; 6421 } 6422 codeRoot = f; 6423 Slog.w(TAG, "Unrecognized code path " 6424 + codePath + " - using " + codeRoot); 6425 } catch (IOException e) { 6426 // Can't canonicalize the code path -- shenanigans? 6427 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6428 return Environment.getRootDirectory().getPath(); 6429 } 6430 } 6431 return codeRoot.getPath(); 6432 } 6433 6434 /** 6435 * Derive and set the location of native libraries for the given package, 6436 * which varies depending on where and how the package was installed. 6437 */ 6438 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6439 final ApplicationInfo info = pkg.applicationInfo; 6440 final String codePath = pkg.codePath; 6441 final File codeFile = new File(codePath); 6442 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6443 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6444 6445 info.nativeLibraryRootDir = null; 6446 info.nativeLibraryRootRequiresIsa = false; 6447 info.nativeLibraryDir = null; 6448 info.secondaryNativeLibraryDir = null; 6449 6450 if (isApkFile(codeFile)) { 6451 // Monolithic install 6452 if (bundledApp) { 6453 // If "/system/lib64/apkname" exists, assume that is the per-package 6454 // native library directory to use; otherwise use "/system/lib/apkname". 6455 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6456 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6457 getPrimaryInstructionSet(info)); 6458 6459 // This is a bundled system app so choose the path based on the ABI. 6460 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6461 // is just the default path. 6462 final String apkName = deriveCodePathName(codePath); 6463 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6464 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6465 apkName).getAbsolutePath(); 6466 6467 if (info.secondaryCpuAbi != null) { 6468 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6469 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6470 secondaryLibDir, apkName).getAbsolutePath(); 6471 } 6472 } else if (asecApp) { 6473 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6474 .getAbsolutePath(); 6475 } else { 6476 final String apkName = deriveCodePathName(codePath); 6477 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6478 .getAbsolutePath(); 6479 } 6480 6481 info.nativeLibraryRootRequiresIsa = false; 6482 info.nativeLibraryDir = info.nativeLibraryRootDir; 6483 } else { 6484 // Cluster install 6485 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6486 info.nativeLibraryRootRequiresIsa = true; 6487 6488 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6489 getPrimaryInstructionSet(info)).getAbsolutePath(); 6490 6491 if (info.secondaryCpuAbi != null) { 6492 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6493 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6494 } 6495 } 6496 } 6497 6498 /** 6499 * Calculate the abis and roots for a bundled app. These can uniquely 6500 * be determined from the contents of the system partition, i.e whether 6501 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6502 * of this information, and instead assume that the system was built 6503 * sensibly. 6504 */ 6505 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6506 PackageSetting pkgSetting) { 6507 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6508 6509 // If "/system/lib64/apkname" exists, assume that is the per-package 6510 // native library directory to use; otherwise use "/system/lib/apkname". 6511 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6512 setBundledAppAbi(pkg, apkRoot, apkName); 6513 // pkgSetting might be null during rescan following uninstall of updates 6514 // to a bundled app, so accommodate that possibility. The settings in 6515 // that case will be established later from the parsed package. 6516 // 6517 // If the settings aren't null, sync them up with what we've just derived. 6518 // note that apkRoot isn't stored in the package settings. 6519 if (pkgSetting != null) { 6520 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6521 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6522 } 6523 } 6524 6525 /** 6526 * Deduces the ABI of a bundled app and sets the relevant fields on the 6527 * parsed pkg object. 6528 * 6529 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6530 * under which system libraries are installed. 6531 * @param apkName the name of the installed package. 6532 */ 6533 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6534 final File codeFile = new File(pkg.codePath); 6535 6536 final boolean has64BitLibs; 6537 final boolean has32BitLibs; 6538 if (isApkFile(codeFile)) { 6539 // Monolithic install 6540 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6541 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6542 } else { 6543 // Cluster install 6544 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6545 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6546 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6547 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6548 has64BitLibs = (new File(rootDir, isa)).exists(); 6549 } else { 6550 has64BitLibs = false; 6551 } 6552 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6553 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6554 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6555 has32BitLibs = (new File(rootDir, isa)).exists(); 6556 } else { 6557 has32BitLibs = false; 6558 } 6559 } 6560 6561 if (has64BitLibs && !has32BitLibs) { 6562 // The package has 64 bit libs, but not 32 bit libs. Its primary 6563 // ABI should be 64 bit. We can safely assume here that the bundled 6564 // native libraries correspond to the most preferred ABI in the list. 6565 6566 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6567 pkg.applicationInfo.secondaryCpuAbi = null; 6568 } else if (has32BitLibs && !has64BitLibs) { 6569 // The package has 32 bit libs but not 64 bit libs. Its primary 6570 // ABI should be 32 bit. 6571 6572 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6573 pkg.applicationInfo.secondaryCpuAbi = null; 6574 } else if (has32BitLibs && has64BitLibs) { 6575 // The application has both 64 and 32 bit bundled libraries. We check 6576 // here that the app declares multiArch support, and warn if it doesn't. 6577 // 6578 // We will be lenient here and record both ABIs. The primary will be the 6579 // ABI that's higher on the list, i.e, a device that's configured to prefer 6580 // 64 bit apps will see a 64 bit primary ABI, 6581 6582 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6583 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6584 } 6585 6586 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6587 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6588 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6589 } else { 6590 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6591 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6592 } 6593 } else { 6594 pkg.applicationInfo.primaryCpuAbi = null; 6595 pkg.applicationInfo.secondaryCpuAbi = null; 6596 } 6597 } 6598 6599 private void killApplication(String pkgName, int appId, String reason) { 6600 // Request the ActivityManager to kill the process(only for existing packages) 6601 // so that we do not end up in a confused state while the user is still using the older 6602 // version of the application while the new one gets installed. 6603 IActivityManager am = ActivityManagerNative.getDefault(); 6604 if (am != null) { 6605 try { 6606 am.killApplicationWithAppId(pkgName, appId, reason); 6607 } catch (RemoteException e) { 6608 } 6609 } 6610 } 6611 6612 void removePackageLI(PackageSetting ps, boolean chatty) { 6613 if (DEBUG_INSTALL) { 6614 if (chatty) 6615 Log.d(TAG, "Removing package " + ps.name); 6616 } 6617 6618 // writer 6619 synchronized (mPackages) { 6620 mPackages.remove(ps.name); 6621 final PackageParser.Package pkg = ps.pkg; 6622 if (pkg != null) { 6623 cleanPackageDataStructuresLILPw(pkg, chatty); 6624 } 6625 } 6626 } 6627 6628 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6629 if (DEBUG_INSTALL) { 6630 if (chatty) 6631 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6632 } 6633 6634 // writer 6635 synchronized (mPackages) { 6636 mPackages.remove(pkg.applicationInfo.packageName); 6637 cleanPackageDataStructuresLILPw(pkg, chatty); 6638 } 6639 } 6640 6641 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6642 int N = pkg.providers.size(); 6643 StringBuilder r = null; 6644 int i; 6645 for (i=0; i<N; i++) { 6646 PackageParser.Provider p = pkg.providers.get(i); 6647 mProviders.removeProvider(p); 6648 if (p.info.authority == null) { 6649 6650 /* There was another ContentProvider with this authority when 6651 * this app was installed so this authority is null, 6652 * Ignore it as we don't have to unregister the provider. 6653 */ 6654 continue; 6655 } 6656 String names[] = p.info.authority.split(";"); 6657 for (int j = 0; j < names.length; j++) { 6658 if (mProvidersByAuthority.get(names[j]) == p) { 6659 mProvidersByAuthority.remove(names[j]); 6660 if (DEBUG_REMOVE) { 6661 if (chatty) 6662 Log.d(TAG, "Unregistered content provider: " + names[j] 6663 + ", className = " + p.info.name + ", isSyncable = " 6664 + p.info.isSyncable); 6665 } 6666 } 6667 } 6668 if (DEBUG_REMOVE && chatty) { 6669 if (r == null) { 6670 r = new StringBuilder(256); 6671 } else { 6672 r.append(' '); 6673 } 6674 r.append(p.info.name); 6675 } 6676 } 6677 if (r != null) { 6678 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6679 } 6680 6681 N = pkg.services.size(); 6682 r = null; 6683 for (i=0; i<N; i++) { 6684 PackageParser.Service s = pkg.services.get(i); 6685 mServices.removeService(s); 6686 if (chatty) { 6687 if (r == null) { 6688 r = new StringBuilder(256); 6689 } else { 6690 r.append(' '); 6691 } 6692 r.append(s.info.name); 6693 } 6694 } 6695 if (r != null) { 6696 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6697 } 6698 6699 N = pkg.receivers.size(); 6700 r = null; 6701 for (i=0; i<N; i++) { 6702 PackageParser.Activity a = pkg.receivers.get(i); 6703 mReceivers.removeActivity(a, "receiver"); 6704 if (DEBUG_REMOVE && chatty) { 6705 if (r == null) { 6706 r = new StringBuilder(256); 6707 } else { 6708 r.append(' '); 6709 } 6710 r.append(a.info.name); 6711 } 6712 } 6713 if (r != null) { 6714 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6715 } 6716 6717 N = pkg.activities.size(); 6718 r = null; 6719 for (i=0; i<N; i++) { 6720 PackageParser.Activity a = pkg.activities.get(i); 6721 mActivities.removeActivity(a, "activity"); 6722 if (DEBUG_REMOVE && chatty) { 6723 if (r == null) { 6724 r = new StringBuilder(256); 6725 } else { 6726 r.append(' '); 6727 } 6728 r.append(a.info.name); 6729 } 6730 } 6731 if (r != null) { 6732 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6733 } 6734 6735 N = pkg.permissions.size(); 6736 r = null; 6737 for (i=0; i<N; i++) { 6738 PackageParser.Permission p = pkg.permissions.get(i); 6739 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6740 if (bp == null) { 6741 bp = mSettings.mPermissionTrees.get(p.info.name); 6742 } 6743 if (bp != null && bp.perm == p) { 6744 bp.perm = null; 6745 if (DEBUG_REMOVE && chatty) { 6746 if (r == null) { 6747 r = new StringBuilder(256); 6748 } else { 6749 r.append(' '); 6750 } 6751 r.append(p.info.name); 6752 } 6753 } 6754 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6755 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6756 if (appOpPerms != null) { 6757 appOpPerms.remove(pkg.packageName); 6758 } 6759 } 6760 } 6761 if (r != null) { 6762 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6763 } 6764 6765 N = pkg.requestedPermissions.size(); 6766 r = null; 6767 for (i=0; i<N; i++) { 6768 String perm = pkg.requestedPermissions.get(i); 6769 BasePermission bp = mSettings.mPermissions.get(perm); 6770 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6771 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6772 if (appOpPerms != null) { 6773 appOpPerms.remove(pkg.packageName); 6774 if (appOpPerms.isEmpty()) { 6775 mAppOpPermissionPackages.remove(perm); 6776 } 6777 } 6778 } 6779 } 6780 if (r != null) { 6781 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6782 } 6783 6784 N = pkg.instrumentation.size(); 6785 r = null; 6786 for (i=0; i<N; i++) { 6787 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6788 mInstrumentation.remove(a.getComponentName()); 6789 if (DEBUG_REMOVE && chatty) { 6790 if (r == null) { 6791 r = new StringBuilder(256); 6792 } else { 6793 r.append(' '); 6794 } 6795 r.append(a.info.name); 6796 } 6797 } 6798 if (r != null) { 6799 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6800 } 6801 6802 r = null; 6803 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6804 // Only system apps can hold shared libraries. 6805 if (pkg.libraryNames != null) { 6806 for (i=0; i<pkg.libraryNames.size(); i++) { 6807 String name = pkg.libraryNames.get(i); 6808 SharedLibraryEntry cur = mSharedLibraries.get(name); 6809 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6810 mSharedLibraries.remove(name); 6811 if (DEBUG_REMOVE && chatty) { 6812 if (r == null) { 6813 r = new StringBuilder(256); 6814 } else { 6815 r.append(' '); 6816 } 6817 r.append(name); 6818 } 6819 } 6820 } 6821 } 6822 } 6823 if (r != null) { 6824 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6825 } 6826 } 6827 6828 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6829 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6830 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6831 return true; 6832 } 6833 } 6834 return false; 6835 } 6836 6837 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6838 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6839 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6840 6841 private void updatePermissionsLPw(String changingPkg, 6842 PackageParser.Package pkgInfo, int flags) { 6843 // Make sure there are no dangling permission trees. 6844 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6845 while (it.hasNext()) { 6846 final BasePermission bp = it.next(); 6847 if (bp.packageSetting == null) { 6848 // We may not yet have parsed the package, so just see if 6849 // we still know about its settings. 6850 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6851 } 6852 if (bp.packageSetting == null) { 6853 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6854 + " from package " + bp.sourcePackage); 6855 it.remove(); 6856 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6857 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6858 Slog.i(TAG, "Removing old permission tree: " + bp.name 6859 + " from package " + bp.sourcePackage); 6860 flags |= UPDATE_PERMISSIONS_ALL; 6861 it.remove(); 6862 } 6863 } 6864 } 6865 6866 // Make sure all dynamic permissions have been assigned to a package, 6867 // and make sure there are no dangling permissions. 6868 it = mSettings.mPermissions.values().iterator(); 6869 while (it.hasNext()) { 6870 final BasePermission bp = it.next(); 6871 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6872 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6873 + bp.name + " pkg=" + bp.sourcePackage 6874 + " info=" + bp.pendingInfo); 6875 if (bp.packageSetting == null && bp.pendingInfo != null) { 6876 final BasePermission tree = findPermissionTreeLP(bp.name); 6877 if (tree != null && tree.perm != null) { 6878 bp.packageSetting = tree.packageSetting; 6879 bp.perm = new PackageParser.Permission(tree.perm.owner, 6880 new PermissionInfo(bp.pendingInfo)); 6881 bp.perm.info.packageName = tree.perm.info.packageName; 6882 bp.perm.info.name = bp.name; 6883 bp.uid = tree.uid; 6884 } 6885 } 6886 } 6887 if (bp.packageSetting == null) { 6888 // We may not yet have parsed the package, so just see if 6889 // we still know about its settings. 6890 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6891 } 6892 if (bp.packageSetting == null) { 6893 Slog.w(TAG, "Removing dangling permission: " + bp.name 6894 + " from package " + bp.sourcePackage); 6895 it.remove(); 6896 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6897 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6898 Slog.i(TAG, "Removing old permission: " + bp.name 6899 + " from package " + bp.sourcePackage); 6900 flags |= UPDATE_PERMISSIONS_ALL; 6901 it.remove(); 6902 } 6903 } 6904 } 6905 6906 // Now update the permissions for all packages, in particular 6907 // replace the granted permissions of the system packages. 6908 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6909 for (PackageParser.Package pkg : mPackages.values()) { 6910 if (pkg != pkgInfo) { 6911 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6912 changingPkg); 6913 } 6914 } 6915 } 6916 6917 if (pkgInfo != null) { 6918 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6919 } 6920 } 6921 6922 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6923 String packageOfInterest) { 6924 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6925 if (ps == null) { 6926 return; 6927 } 6928 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6929 ArraySet<String> origPermissions = gp.grantedPermissions; 6930 boolean changedPermission = false; 6931 6932 if (replace) { 6933 ps.permissionsFixed = false; 6934 if (gp == ps) { 6935 origPermissions = new ArraySet<String>(gp.grantedPermissions); 6936 gp.grantedPermissions.clear(); 6937 gp.gids = mGlobalGids; 6938 } 6939 } 6940 6941 if (gp.gids == null) { 6942 gp.gids = mGlobalGids; 6943 } 6944 6945 final int N = pkg.requestedPermissions.size(); 6946 for (int i=0; i<N; i++) { 6947 final String name = pkg.requestedPermissions.get(i); 6948 final boolean required = pkg.requestedPermissionsRequired.get(i); 6949 final BasePermission bp = mSettings.mPermissions.get(name); 6950 if (DEBUG_INSTALL) { 6951 if (gp != ps) { 6952 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6953 } 6954 } 6955 6956 if (bp == null || bp.packageSetting == null) { 6957 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6958 Slog.w(TAG, "Unknown permission " + name 6959 + " in package " + pkg.packageName); 6960 } 6961 continue; 6962 } 6963 6964 final String perm = bp.name; 6965 boolean allowed; 6966 boolean allowedSig = false; 6967 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6968 // Keep track of app op permissions. 6969 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6970 if (pkgs == null) { 6971 pkgs = new ArraySet<>(); 6972 mAppOpPermissionPackages.put(bp.name, pkgs); 6973 } 6974 pkgs.add(pkg.packageName); 6975 } 6976 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6977 if (level == PermissionInfo.PROTECTION_NORMAL 6978 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6979 // We grant a normal or dangerous permission if any of the following 6980 // are true: 6981 // 1) The permission is required 6982 // 2) The permission is optional, but was granted in the past 6983 // 3) The permission is optional, but was requested by an 6984 // app in /system (not /data) 6985 // 6986 // Otherwise, reject the permission. 6987 allowed = (required || origPermissions.contains(perm) 6988 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6989 } else if (bp.packageSetting == null) { 6990 // This permission is invalid; skip it. 6991 allowed = false; 6992 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6993 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6994 if (allowed) { 6995 allowedSig = true; 6996 } 6997 } else { 6998 allowed = false; 6999 } 7000 if (DEBUG_INSTALL) { 7001 if (gp != ps) { 7002 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7003 } 7004 } 7005 if (allowed) { 7006 if (!isSystemApp(ps) && ps.permissionsFixed) { 7007 // If this is an existing, non-system package, then 7008 // we can't add any new permissions to it. 7009 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7010 // Except... if this is a permission that was added 7011 // to the platform (note: need to only do this when 7012 // updating the platform). 7013 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7014 } 7015 } 7016 if (allowed) { 7017 if (!gp.grantedPermissions.contains(perm)) { 7018 changedPermission = true; 7019 gp.grantedPermissions.add(perm); 7020 gp.gids = appendInts(gp.gids, bp.gids); 7021 } else if (!ps.haveGids) { 7022 gp.gids = appendInts(gp.gids, bp.gids); 7023 } 7024 } else { 7025 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7026 Slog.w(TAG, "Not granting permission " + perm 7027 + " to package " + pkg.packageName 7028 + " because it was previously installed without"); 7029 } 7030 } 7031 } else { 7032 if (gp.grantedPermissions.remove(perm)) { 7033 changedPermission = true; 7034 gp.gids = removeInts(gp.gids, bp.gids); 7035 Slog.i(TAG, "Un-granting permission " + perm 7036 + " from package " + pkg.packageName 7037 + " (protectionLevel=" + bp.protectionLevel 7038 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7039 + ")"); 7040 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7041 // Don't print warning for app op permissions, since it is fine for them 7042 // not to be granted, there is a UI for the user to decide. 7043 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7044 Slog.w(TAG, "Not granting permission " + perm 7045 + " to package " + pkg.packageName 7046 + " (protectionLevel=" + bp.protectionLevel 7047 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7048 + ")"); 7049 } 7050 } 7051 } 7052 } 7053 7054 if ((changedPermission || replace) && !ps.permissionsFixed && 7055 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7056 // This is the first that we have heard about this package, so the 7057 // permissions we have now selected are fixed until explicitly 7058 // changed. 7059 ps.permissionsFixed = true; 7060 } 7061 ps.haveGids = true; 7062 } 7063 7064 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7065 boolean allowed = false; 7066 final int NP = PackageParser.NEW_PERMISSIONS.length; 7067 for (int ip=0; ip<NP; ip++) { 7068 final PackageParser.NewPermissionInfo npi 7069 = PackageParser.NEW_PERMISSIONS[ip]; 7070 if (npi.name.equals(perm) 7071 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7072 allowed = true; 7073 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7074 + pkg.packageName); 7075 break; 7076 } 7077 } 7078 return allowed; 7079 } 7080 7081 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7082 BasePermission bp, ArraySet<String> origPermissions) { 7083 boolean allowed; 7084 allowed = (compareSignatures( 7085 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7086 == PackageManager.SIGNATURE_MATCH) 7087 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7088 == PackageManager.SIGNATURE_MATCH); 7089 if (!allowed && (bp.protectionLevel 7090 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7091 if (isSystemApp(pkg)) { 7092 // For updated system applications, a system permission 7093 // is granted only if it had been defined by the original application. 7094 if (isUpdatedSystemApp(pkg)) { 7095 final PackageSetting sysPs = mSettings 7096 .getDisabledSystemPkgLPr(pkg.packageName); 7097 final GrantedPermissions origGp = sysPs.sharedUser != null 7098 ? sysPs.sharedUser : sysPs; 7099 7100 if (origGp.grantedPermissions.contains(perm)) { 7101 // If the original was granted this permission, we take 7102 // that grant decision as read and propagate it to the 7103 // update. 7104 allowed = true; 7105 } else { 7106 // The system apk may have been updated with an older 7107 // version of the one on the data partition, but which 7108 // granted a new system permission that it didn't have 7109 // before. In this case we do want to allow the app to 7110 // now get the new permission if the ancestral apk is 7111 // privileged to get it. 7112 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7113 for (int j=0; 7114 j<sysPs.pkg.requestedPermissions.size(); j++) { 7115 if (perm.equals( 7116 sysPs.pkg.requestedPermissions.get(j))) { 7117 allowed = true; 7118 break; 7119 } 7120 } 7121 } 7122 } 7123 } else { 7124 allowed = isPrivilegedApp(pkg); 7125 } 7126 } 7127 } 7128 if (!allowed && (bp.protectionLevel 7129 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7130 // For development permissions, a development permission 7131 // is granted only if it was already granted. 7132 allowed = origPermissions.contains(perm); 7133 } 7134 return allowed; 7135 } 7136 7137 final class ActivityIntentResolver 7138 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7139 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7140 boolean defaultOnly, int userId) { 7141 if (!sUserManager.exists(userId)) return null; 7142 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7143 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7144 } 7145 7146 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7147 int userId) { 7148 if (!sUserManager.exists(userId)) return null; 7149 mFlags = flags; 7150 return super.queryIntent(intent, resolvedType, 7151 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7152 } 7153 7154 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7155 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7156 if (!sUserManager.exists(userId)) return null; 7157 if (packageActivities == null) { 7158 return null; 7159 } 7160 mFlags = flags; 7161 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7162 final int N = packageActivities.size(); 7163 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7164 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7165 7166 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7167 for (int i = 0; i < N; ++i) { 7168 intentFilters = packageActivities.get(i).intents; 7169 if (intentFilters != null && intentFilters.size() > 0) { 7170 PackageParser.ActivityIntentInfo[] array = 7171 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7172 intentFilters.toArray(array); 7173 listCut.add(array); 7174 } 7175 } 7176 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7177 } 7178 7179 public final void addActivity(PackageParser.Activity a, String type) { 7180 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7181 mActivities.put(a.getComponentName(), a); 7182 if (DEBUG_SHOW_INFO) 7183 Log.v( 7184 TAG, " " + type + " " + 7185 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7186 if (DEBUG_SHOW_INFO) 7187 Log.v(TAG, " Class=" + a.info.name); 7188 final int NI = a.intents.size(); 7189 for (int j=0; j<NI; j++) { 7190 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7191 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7192 intent.setPriority(0); 7193 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7194 + a.className + " with priority > 0, forcing to 0"); 7195 } 7196 if (DEBUG_SHOW_INFO) { 7197 Log.v(TAG, " IntentFilter:"); 7198 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7199 } 7200 if (!intent.debugCheck()) { 7201 Log.w(TAG, "==> For Activity " + a.info.name); 7202 } 7203 addFilter(intent); 7204 } 7205 } 7206 7207 public final void removeActivity(PackageParser.Activity a, String type) { 7208 mActivities.remove(a.getComponentName()); 7209 if (DEBUG_SHOW_INFO) { 7210 Log.v(TAG, " " + type + " " 7211 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7212 : a.info.name) + ":"); 7213 Log.v(TAG, " Class=" + a.info.name); 7214 } 7215 final int NI = a.intents.size(); 7216 for (int j=0; j<NI; j++) { 7217 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7218 if (DEBUG_SHOW_INFO) { 7219 Log.v(TAG, " IntentFilter:"); 7220 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7221 } 7222 removeFilter(intent); 7223 } 7224 } 7225 7226 @Override 7227 protected boolean allowFilterResult( 7228 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7229 ActivityInfo filterAi = filter.activity.info; 7230 for (int i=dest.size()-1; i>=0; i--) { 7231 ActivityInfo destAi = dest.get(i).activityInfo; 7232 if (destAi.name == filterAi.name 7233 && destAi.packageName == filterAi.packageName) { 7234 return false; 7235 } 7236 } 7237 return true; 7238 } 7239 7240 @Override 7241 protected ActivityIntentInfo[] newArray(int size) { 7242 return new ActivityIntentInfo[size]; 7243 } 7244 7245 @Override 7246 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7247 if (!sUserManager.exists(userId)) return true; 7248 PackageParser.Package p = filter.activity.owner; 7249 if (p != null) { 7250 PackageSetting ps = (PackageSetting)p.mExtras; 7251 if (ps != null) { 7252 // System apps are never considered stopped for purposes of 7253 // filtering, because there may be no way for the user to 7254 // actually re-launch them. 7255 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7256 && ps.getStopped(userId); 7257 } 7258 } 7259 return false; 7260 } 7261 7262 @Override 7263 protected boolean isPackageForFilter(String packageName, 7264 PackageParser.ActivityIntentInfo info) { 7265 return packageName.equals(info.activity.owner.packageName); 7266 } 7267 7268 @Override 7269 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7270 int match, int userId) { 7271 if (!sUserManager.exists(userId)) return null; 7272 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7273 return null; 7274 } 7275 final PackageParser.Activity activity = info.activity; 7276 if (mSafeMode && (activity.info.applicationInfo.flags 7277 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7278 return null; 7279 } 7280 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7281 if (ps == null) { 7282 return null; 7283 } 7284 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7285 ps.readUserState(userId), userId); 7286 if (ai == null) { 7287 return null; 7288 } 7289 final ResolveInfo res = new ResolveInfo(); 7290 res.activityInfo = ai; 7291 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7292 res.filter = info; 7293 } 7294 res.priority = info.getPriority(); 7295 res.preferredOrder = activity.owner.mPreferredOrder; 7296 //System.out.println("Result: " + res.activityInfo.className + 7297 // " = " + res.priority); 7298 res.match = match; 7299 res.isDefault = info.hasDefault; 7300 res.labelRes = info.labelRes; 7301 res.nonLocalizedLabel = info.nonLocalizedLabel; 7302 if (userNeedsBadging(userId)) { 7303 res.noResourceId = true; 7304 } else { 7305 res.icon = info.icon; 7306 } 7307 res.system = isSystemApp(res.activityInfo.applicationInfo); 7308 return res; 7309 } 7310 7311 @Override 7312 protected void sortResults(List<ResolveInfo> results) { 7313 Collections.sort(results, mResolvePrioritySorter); 7314 } 7315 7316 @Override 7317 protected void dumpFilter(PrintWriter out, String prefix, 7318 PackageParser.ActivityIntentInfo filter) { 7319 out.print(prefix); out.print( 7320 Integer.toHexString(System.identityHashCode(filter.activity))); 7321 out.print(' '); 7322 filter.activity.printComponentShortName(out); 7323 out.print(" filter "); 7324 out.println(Integer.toHexString(System.identityHashCode(filter))); 7325 } 7326 7327// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7328// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7329// final List<ResolveInfo> retList = Lists.newArrayList(); 7330// while (i.hasNext()) { 7331// final ResolveInfo resolveInfo = i.next(); 7332// if (isEnabledLP(resolveInfo.activityInfo)) { 7333// retList.add(resolveInfo); 7334// } 7335// } 7336// return retList; 7337// } 7338 7339 // Keys are String (activity class name), values are Activity. 7340 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7341 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7342 private int mFlags; 7343 } 7344 7345 private final class ServiceIntentResolver 7346 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7347 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7348 boolean defaultOnly, int userId) { 7349 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7350 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7351 } 7352 7353 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7354 int userId) { 7355 if (!sUserManager.exists(userId)) return null; 7356 mFlags = flags; 7357 return super.queryIntent(intent, resolvedType, 7358 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7359 } 7360 7361 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7362 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7363 if (!sUserManager.exists(userId)) return null; 7364 if (packageServices == null) { 7365 return null; 7366 } 7367 mFlags = flags; 7368 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7369 final int N = packageServices.size(); 7370 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7371 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7372 7373 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7374 for (int i = 0; i < N; ++i) { 7375 intentFilters = packageServices.get(i).intents; 7376 if (intentFilters != null && intentFilters.size() > 0) { 7377 PackageParser.ServiceIntentInfo[] array = 7378 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7379 intentFilters.toArray(array); 7380 listCut.add(array); 7381 } 7382 } 7383 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7384 } 7385 7386 public final void addService(PackageParser.Service s) { 7387 mServices.put(s.getComponentName(), s); 7388 if (DEBUG_SHOW_INFO) { 7389 Log.v(TAG, " " 7390 + (s.info.nonLocalizedLabel != null 7391 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7392 Log.v(TAG, " Class=" + s.info.name); 7393 } 7394 final int NI = s.intents.size(); 7395 int j; 7396 for (j=0; j<NI; j++) { 7397 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7398 if (DEBUG_SHOW_INFO) { 7399 Log.v(TAG, " IntentFilter:"); 7400 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7401 } 7402 if (!intent.debugCheck()) { 7403 Log.w(TAG, "==> For Service " + s.info.name); 7404 } 7405 addFilter(intent); 7406 } 7407 } 7408 7409 public final void removeService(PackageParser.Service s) { 7410 mServices.remove(s.getComponentName()); 7411 if (DEBUG_SHOW_INFO) { 7412 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7413 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7414 Log.v(TAG, " Class=" + s.info.name); 7415 } 7416 final int NI = s.intents.size(); 7417 int j; 7418 for (j=0; j<NI; j++) { 7419 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7420 if (DEBUG_SHOW_INFO) { 7421 Log.v(TAG, " IntentFilter:"); 7422 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7423 } 7424 removeFilter(intent); 7425 } 7426 } 7427 7428 @Override 7429 protected boolean allowFilterResult( 7430 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7431 ServiceInfo filterSi = filter.service.info; 7432 for (int i=dest.size()-1; i>=0; i--) { 7433 ServiceInfo destAi = dest.get(i).serviceInfo; 7434 if (destAi.name == filterSi.name 7435 && destAi.packageName == filterSi.packageName) { 7436 return false; 7437 } 7438 } 7439 return true; 7440 } 7441 7442 @Override 7443 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7444 return new PackageParser.ServiceIntentInfo[size]; 7445 } 7446 7447 @Override 7448 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7449 if (!sUserManager.exists(userId)) return true; 7450 PackageParser.Package p = filter.service.owner; 7451 if (p != null) { 7452 PackageSetting ps = (PackageSetting)p.mExtras; 7453 if (ps != null) { 7454 // System apps are never considered stopped for purposes of 7455 // filtering, because there may be no way for the user to 7456 // actually re-launch them. 7457 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7458 && ps.getStopped(userId); 7459 } 7460 } 7461 return false; 7462 } 7463 7464 @Override 7465 protected boolean isPackageForFilter(String packageName, 7466 PackageParser.ServiceIntentInfo info) { 7467 return packageName.equals(info.service.owner.packageName); 7468 } 7469 7470 @Override 7471 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7472 int match, int userId) { 7473 if (!sUserManager.exists(userId)) return null; 7474 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7475 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7476 return null; 7477 } 7478 final PackageParser.Service service = info.service; 7479 if (mSafeMode && (service.info.applicationInfo.flags 7480 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7481 return null; 7482 } 7483 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7484 if (ps == null) { 7485 return null; 7486 } 7487 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7488 ps.readUserState(userId), userId); 7489 if (si == null) { 7490 return null; 7491 } 7492 final ResolveInfo res = new ResolveInfo(); 7493 res.serviceInfo = si; 7494 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7495 res.filter = filter; 7496 } 7497 res.priority = info.getPriority(); 7498 res.preferredOrder = service.owner.mPreferredOrder; 7499 //System.out.println("Result: " + res.activityInfo.className + 7500 // " = " + res.priority); 7501 res.match = match; 7502 res.isDefault = info.hasDefault; 7503 res.labelRes = info.labelRes; 7504 res.nonLocalizedLabel = info.nonLocalizedLabel; 7505 res.icon = info.icon; 7506 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7507 return res; 7508 } 7509 7510 @Override 7511 protected void sortResults(List<ResolveInfo> results) { 7512 Collections.sort(results, mResolvePrioritySorter); 7513 } 7514 7515 @Override 7516 protected void dumpFilter(PrintWriter out, String prefix, 7517 PackageParser.ServiceIntentInfo filter) { 7518 out.print(prefix); out.print( 7519 Integer.toHexString(System.identityHashCode(filter.service))); 7520 out.print(' '); 7521 filter.service.printComponentShortName(out); 7522 out.print(" filter "); 7523 out.println(Integer.toHexString(System.identityHashCode(filter))); 7524 } 7525 7526// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7527// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7528// final List<ResolveInfo> retList = Lists.newArrayList(); 7529// while (i.hasNext()) { 7530// final ResolveInfo resolveInfo = (ResolveInfo) i; 7531// if (isEnabledLP(resolveInfo.serviceInfo)) { 7532// retList.add(resolveInfo); 7533// } 7534// } 7535// return retList; 7536// } 7537 7538 // Keys are String (activity class name), values are Activity. 7539 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7540 = new ArrayMap<ComponentName, PackageParser.Service>(); 7541 private int mFlags; 7542 }; 7543 7544 private final class ProviderIntentResolver 7545 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7546 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7547 boolean defaultOnly, int userId) { 7548 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7549 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7550 } 7551 7552 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7553 int userId) { 7554 if (!sUserManager.exists(userId)) 7555 return null; 7556 mFlags = flags; 7557 return super.queryIntent(intent, resolvedType, 7558 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7559 } 7560 7561 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7562 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7563 if (!sUserManager.exists(userId)) 7564 return null; 7565 if (packageProviders == null) { 7566 return null; 7567 } 7568 mFlags = flags; 7569 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7570 final int N = packageProviders.size(); 7571 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7572 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7573 7574 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7575 for (int i = 0; i < N; ++i) { 7576 intentFilters = packageProviders.get(i).intents; 7577 if (intentFilters != null && intentFilters.size() > 0) { 7578 PackageParser.ProviderIntentInfo[] array = 7579 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7580 intentFilters.toArray(array); 7581 listCut.add(array); 7582 } 7583 } 7584 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7585 } 7586 7587 public final void addProvider(PackageParser.Provider p) { 7588 if (mProviders.containsKey(p.getComponentName())) { 7589 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7590 return; 7591 } 7592 7593 mProviders.put(p.getComponentName(), p); 7594 if (DEBUG_SHOW_INFO) { 7595 Log.v(TAG, " " 7596 + (p.info.nonLocalizedLabel != null 7597 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7598 Log.v(TAG, " Class=" + p.info.name); 7599 } 7600 final int NI = p.intents.size(); 7601 int j; 7602 for (j = 0; j < NI; j++) { 7603 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7604 if (DEBUG_SHOW_INFO) { 7605 Log.v(TAG, " IntentFilter:"); 7606 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7607 } 7608 if (!intent.debugCheck()) { 7609 Log.w(TAG, "==> For Provider " + p.info.name); 7610 } 7611 addFilter(intent); 7612 } 7613 } 7614 7615 public final void removeProvider(PackageParser.Provider p) { 7616 mProviders.remove(p.getComponentName()); 7617 if (DEBUG_SHOW_INFO) { 7618 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7619 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7620 Log.v(TAG, " Class=" + p.info.name); 7621 } 7622 final int NI = p.intents.size(); 7623 int j; 7624 for (j = 0; j < NI; j++) { 7625 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7626 if (DEBUG_SHOW_INFO) { 7627 Log.v(TAG, " IntentFilter:"); 7628 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7629 } 7630 removeFilter(intent); 7631 } 7632 } 7633 7634 @Override 7635 protected boolean allowFilterResult( 7636 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7637 ProviderInfo filterPi = filter.provider.info; 7638 for (int i = dest.size() - 1; i >= 0; i--) { 7639 ProviderInfo destPi = dest.get(i).providerInfo; 7640 if (destPi.name == filterPi.name 7641 && destPi.packageName == filterPi.packageName) { 7642 return false; 7643 } 7644 } 7645 return true; 7646 } 7647 7648 @Override 7649 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7650 return new PackageParser.ProviderIntentInfo[size]; 7651 } 7652 7653 @Override 7654 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7655 if (!sUserManager.exists(userId)) 7656 return true; 7657 PackageParser.Package p = filter.provider.owner; 7658 if (p != null) { 7659 PackageSetting ps = (PackageSetting) p.mExtras; 7660 if (ps != null) { 7661 // System apps are never considered stopped for purposes of 7662 // filtering, because there may be no way for the user to 7663 // actually re-launch them. 7664 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7665 && ps.getStopped(userId); 7666 } 7667 } 7668 return false; 7669 } 7670 7671 @Override 7672 protected boolean isPackageForFilter(String packageName, 7673 PackageParser.ProviderIntentInfo info) { 7674 return packageName.equals(info.provider.owner.packageName); 7675 } 7676 7677 @Override 7678 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7679 int match, int userId) { 7680 if (!sUserManager.exists(userId)) 7681 return null; 7682 final PackageParser.ProviderIntentInfo info = filter; 7683 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7684 return null; 7685 } 7686 final PackageParser.Provider provider = info.provider; 7687 if (mSafeMode && (provider.info.applicationInfo.flags 7688 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7689 return null; 7690 } 7691 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7692 if (ps == null) { 7693 return null; 7694 } 7695 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7696 ps.readUserState(userId), userId); 7697 if (pi == null) { 7698 return null; 7699 } 7700 final ResolveInfo res = new ResolveInfo(); 7701 res.providerInfo = pi; 7702 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7703 res.filter = filter; 7704 } 7705 res.priority = info.getPriority(); 7706 res.preferredOrder = provider.owner.mPreferredOrder; 7707 res.match = match; 7708 res.isDefault = info.hasDefault; 7709 res.labelRes = info.labelRes; 7710 res.nonLocalizedLabel = info.nonLocalizedLabel; 7711 res.icon = info.icon; 7712 res.system = isSystemApp(res.providerInfo.applicationInfo); 7713 return res; 7714 } 7715 7716 @Override 7717 protected void sortResults(List<ResolveInfo> results) { 7718 Collections.sort(results, mResolvePrioritySorter); 7719 } 7720 7721 @Override 7722 protected void dumpFilter(PrintWriter out, String prefix, 7723 PackageParser.ProviderIntentInfo filter) { 7724 out.print(prefix); 7725 out.print( 7726 Integer.toHexString(System.identityHashCode(filter.provider))); 7727 out.print(' '); 7728 filter.provider.printComponentShortName(out); 7729 out.print(" filter "); 7730 out.println(Integer.toHexString(System.identityHashCode(filter))); 7731 } 7732 7733 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7734 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7735 private int mFlags; 7736 }; 7737 7738 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7739 new Comparator<ResolveInfo>() { 7740 public int compare(ResolveInfo r1, ResolveInfo r2) { 7741 int v1 = r1.priority; 7742 int v2 = r2.priority; 7743 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7744 if (v1 != v2) { 7745 return (v1 > v2) ? -1 : 1; 7746 } 7747 v1 = r1.preferredOrder; 7748 v2 = r2.preferredOrder; 7749 if (v1 != v2) { 7750 return (v1 > v2) ? -1 : 1; 7751 } 7752 if (r1.isDefault != r2.isDefault) { 7753 return r1.isDefault ? -1 : 1; 7754 } 7755 v1 = r1.match; 7756 v2 = r2.match; 7757 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7758 if (v1 != v2) { 7759 return (v1 > v2) ? -1 : 1; 7760 } 7761 if (r1.system != r2.system) { 7762 return r1.system ? -1 : 1; 7763 } 7764 return 0; 7765 } 7766 }; 7767 7768 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7769 new Comparator<ProviderInfo>() { 7770 public int compare(ProviderInfo p1, ProviderInfo p2) { 7771 final int v1 = p1.initOrder; 7772 final int v2 = p2.initOrder; 7773 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7774 } 7775 }; 7776 7777 static final void sendPackageBroadcast(String action, String pkg, 7778 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7779 int[] userIds) { 7780 IActivityManager am = ActivityManagerNative.getDefault(); 7781 if (am != null) { 7782 try { 7783 if (userIds == null) { 7784 userIds = am.getRunningUserIds(); 7785 } 7786 for (int id : userIds) { 7787 final Intent intent = new Intent(action, 7788 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7789 if (extras != null) { 7790 intent.putExtras(extras); 7791 } 7792 if (targetPkg != null) { 7793 intent.setPackage(targetPkg); 7794 } 7795 // Modify the UID when posting to other users 7796 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7797 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7798 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7799 intent.putExtra(Intent.EXTRA_UID, uid); 7800 } 7801 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7802 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7803 if (DEBUG_BROADCASTS) { 7804 RuntimeException here = new RuntimeException("here"); 7805 here.fillInStackTrace(); 7806 Slog.d(TAG, "Sending to user " + id + ": " 7807 + intent.toShortString(false, true, false, false) 7808 + " " + intent.getExtras(), here); 7809 } 7810 am.broadcastIntent(null, intent, null, finishedReceiver, 7811 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7812 finishedReceiver != null, false, id); 7813 } 7814 } catch (RemoteException ex) { 7815 } 7816 } 7817 } 7818 7819 /** 7820 * Check if the external storage media is available. This is true if there 7821 * is a mounted external storage medium or if the external storage is 7822 * emulated. 7823 */ 7824 private boolean isExternalMediaAvailable() { 7825 return mMediaMounted || Environment.isExternalStorageEmulated(); 7826 } 7827 7828 @Override 7829 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7830 // writer 7831 synchronized (mPackages) { 7832 if (!isExternalMediaAvailable()) { 7833 // If the external storage is no longer mounted at this point, 7834 // the caller may not have been able to delete all of this 7835 // packages files and can not delete any more. Bail. 7836 return null; 7837 } 7838 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7839 if (lastPackage != null) { 7840 pkgs.remove(lastPackage); 7841 } 7842 if (pkgs.size() > 0) { 7843 return pkgs.get(0); 7844 } 7845 } 7846 return null; 7847 } 7848 7849 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7850 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7851 userId, andCode ? 1 : 0, packageName); 7852 if (mSystemReady) { 7853 msg.sendToTarget(); 7854 } else { 7855 if (mPostSystemReadyMessages == null) { 7856 mPostSystemReadyMessages = new ArrayList<>(); 7857 } 7858 mPostSystemReadyMessages.add(msg); 7859 } 7860 } 7861 7862 void startCleaningPackages() { 7863 // reader 7864 synchronized (mPackages) { 7865 if (!isExternalMediaAvailable()) { 7866 return; 7867 } 7868 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7869 return; 7870 } 7871 } 7872 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7873 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7874 IActivityManager am = ActivityManagerNative.getDefault(); 7875 if (am != null) { 7876 try { 7877 am.startService(null, intent, null, UserHandle.USER_OWNER); 7878 } catch (RemoteException e) { 7879 } 7880 } 7881 } 7882 7883 @Override 7884 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7885 int installFlags, String installerPackageName, VerificationParams verificationParams, 7886 String packageAbiOverride) { 7887 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7888 packageAbiOverride, UserHandle.getCallingUserId()); 7889 } 7890 7891 @Override 7892 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7893 int installFlags, String installerPackageName, VerificationParams verificationParams, 7894 String packageAbiOverride, int userId) { 7895 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7896 7897 final int callingUid = Binder.getCallingUid(); 7898 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7899 7900 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7901 try { 7902 if (observer != null) { 7903 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7904 } 7905 } catch (RemoteException re) { 7906 } 7907 return; 7908 } 7909 7910 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7911 installFlags |= PackageManager.INSTALL_FROM_ADB; 7912 7913 } else { 7914 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7915 // about installerPackageName. 7916 7917 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7918 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7919 } 7920 7921 UserHandle user; 7922 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7923 user = UserHandle.ALL; 7924 } else { 7925 user = new UserHandle(userId); 7926 } 7927 7928 verificationParams.setInstallerUid(callingUid); 7929 7930 final File originFile = new File(originPath); 7931 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7932 7933 final Message msg = mHandler.obtainMessage(INIT_COPY); 7934 msg.obj = new InstallParams(origin, observer, installFlags, 7935 installerPackageName, verificationParams, user, packageAbiOverride); 7936 mHandler.sendMessage(msg); 7937 } 7938 7939 void installStage(String packageName, File stagedDir, String stagedCid, 7940 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7941 String installerPackageName, int installerUid, UserHandle user) { 7942 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7943 params.referrerUri, installerUid, null); 7944 7945 final OriginInfo origin; 7946 if (stagedDir != null) { 7947 origin = OriginInfo.fromStagedFile(stagedDir); 7948 } else { 7949 origin = OriginInfo.fromStagedContainer(stagedCid); 7950 } 7951 7952 final Message msg = mHandler.obtainMessage(INIT_COPY); 7953 msg.obj = new InstallParams(origin, observer, params.installFlags, 7954 installerPackageName, verifParams, user, params.abiOverride); 7955 mHandler.sendMessage(msg); 7956 } 7957 7958 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7959 Bundle extras = new Bundle(1); 7960 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7961 7962 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7963 packageName, extras, null, null, new int[] {userId}); 7964 try { 7965 IActivityManager am = ActivityManagerNative.getDefault(); 7966 final boolean isSystem = 7967 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7968 if (isSystem && am.isUserRunning(userId, false)) { 7969 // The just-installed/enabled app is bundled on the system, so presumed 7970 // to be able to run automatically without needing an explicit launch. 7971 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7972 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7973 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7974 .setPackage(packageName); 7975 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7976 android.app.AppOpsManager.OP_NONE, false, false, userId); 7977 } 7978 } catch (RemoteException e) { 7979 // shouldn't happen 7980 Slog.w(TAG, "Unable to bootstrap installed package", e); 7981 } 7982 } 7983 7984 @Override 7985 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7986 int userId) { 7987 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7988 PackageSetting pkgSetting; 7989 final int uid = Binder.getCallingUid(); 7990 enforceCrossUserPermission(uid, userId, true, true, 7991 "setApplicationHiddenSetting for user " + userId); 7992 7993 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7994 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7995 return false; 7996 } 7997 7998 long callingId = Binder.clearCallingIdentity(); 7999 try { 8000 boolean sendAdded = false; 8001 boolean sendRemoved = false; 8002 // writer 8003 synchronized (mPackages) { 8004 pkgSetting = mSettings.mPackages.get(packageName); 8005 if (pkgSetting == null) { 8006 return false; 8007 } 8008 if (pkgSetting.getHidden(userId) != hidden) { 8009 pkgSetting.setHidden(hidden, userId); 8010 mSettings.writePackageRestrictionsLPr(userId); 8011 if (hidden) { 8012 sendRemoved = true; 8013 } else { 8014 sendAdded = true; 8015 } 8016 } 8017 } 8018 if (sendAdded) { 8019 sendPackageAddedForUser(packageName, pkgSetting, userId); 8020 return true; 8021 } 8022 if (sendRemoved) { 8023 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8024 "hiding pkg"); 8025 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8026 } 8027 } finally { 8028 Binder.restoreCallingIdentity(callingId); 8029 } 8030 return false; 8031 } 8032 8033 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8034 int userId) { 8035 final PackageRemovedInfo info = new PackageRemovedInfo(); 8036 info.removedPackage = packageName; 8037 info.removedUsers = new int[] {userId}; 8038 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8039 info.sendBroadcast(false, false, false); 8040 } 8041 8042 /** 8043 * Returns true if application is not found or there was an error. Otherwise it returns 8044 * the hidden state of the package for the given user. 8045 */ 8046 @Override 8047 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8048 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8049 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8050 false, "getApplicationHidden for user " + userId); 8051 PackageSetting pkgSetting; 8052 long callingId = Binder.clearCallingIdentity(); 8053 try { 8054 // writer 8055 synchronized (mPackages) { 8056 pkgSetting = mSettings.mPackages.get(packageName); 8057 if (pkgSetting == null) { 8058 return true; 8059 } 8060 return pkgSetting.getHidden(userId); 8061 } 8062 } finally { 8063 Binder.restoreCallingIdentity(callingId); 8064 } 8065 } 8066 8067 /** 8068 * @hide 8069 */ 8070 @Override 8071 public int installExistingPackageAsUser(String packageName, int userId) { 8072 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8073 null); 8074 PackageSetting pkgSetting; 8075 final int uid = Binder.getCallingUid(); 8076 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8077 + userId); 8078 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8079 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8080 } 8081 8082 long callingId = Binder.clearCallingIdentity(); 8083 try { 8084 boolean sendAdded = false; 8085 Bundle extras = new Bundle(1); 8086 8087 // writer 8088 synchronized (mPackages) { 8089 pkgSetting = mSettings.mPackages.get(packageName); 8090 if (pkgSetting == null) { 8091 return PackageManager.INSTALL_FAILED_INVALID_URI; 8092 } 8093 if (!pkgSetting.getInstalled(userId)) { 8094 pkgSetting.setInstalled(true, userId); 8095 pkgSetting.setHidden(false, userId); 8096 mSettings.writePackageRestrictionsLPr(userId); 8097 sendAdded = true; 8098 } 8099 } 8100 8101 if (sendAdded) { 8102 sendPackageAddedForUser(packageName, pkgSetting, userId); 8103 } 8104 } finally { 8105 Binder.restoreCallingIdentity(callingId); 8106 } 8107 8108 return PackageManager.INSTALL_SUCCEEDED; 8109 } 8110 8111 boolean isUserRestricted(int userId, String restrictionKey) { 8112 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8113 if (restrictions.getBoolean(restrictionKey, false)) { 8114 Log.w(TAG, "User is restricted: " + restrictionKey); 8115 return true; 8116 } 8117 return false; 8118 } 8119 8120 @Override 8121 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8122 mContext.enforceCallingOrSelfPermission( 8123 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8124 "Only package verification agents can verify applications"); 8125 8126 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8127 final PackageVerificationResponse response = new PackageVerificationResponse( 8128 verificationCode, Binder.getCallingUid()); 8129 msg.arg1 = id; 8130 msg.obj = response; 8131 mHandler.sendMessage(msg); 8132 } 8133 8134 @Override 8135 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8136 long millisecondsToDelay) { 8137 mContext.enforceCallingOrSelfPermission( 8138 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8139 "Only package verification agents can extend verification timeouts"); 8140 8141 final PackageVerificationState state = mPendingVerification.get(id); 8142 final PackageVerificationResponse response = new PackageVerificationResponse( 8143 verificationCodeAtTimeout, Binder.getCallingUid()); 8144 8145 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8146 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8147 } 8148 if (millisecondsToDelay < 0) { 8149 millisecondsToDelay = 0; 8150 } 8151 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8152 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8153 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8154 } 8155 8156 if ((state != null) && !state.timeoutExtended()) { 8157 state.extendTimeout(); 8158 8159 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8160 msg.arg1 = id; 8161 msg.obj = response; 8162 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8163 } 8164 } 8165 8166 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8167 int verificationCode, UserHandle user) { 8168 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8169 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8170 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8171 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8172 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8173 8174 mContext.sendBroadcastAsUser(intent, user, 8175 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8176 } 8177 8178 private ComponentName matchComponentForVerifier(String packageName, 8179 List<ResolveInfo> receivers) { 8180 ActivityInfo targetReceiver = null; 8181 8182 final int NR = receivers.size(); 8183 for (int i = 0; i < NR; i++) { 8184 final ResolveInfo info = receivers.get(i); 8185 if (info.activityInfo == null) { 8186 continue; 8187 } 8188 8189 if (packageName.equals(info.activityInfo.packageName)) { 8190 targetReceiver = info.activityInfo; 8191 break; 8192 } 8193 } 8194 8195 if (targetReceiver == null) { 8196 return null; 8197 } 8198 8199 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8200 } 8201 8202 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8203 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8204 if (pkgInfo.verifiers.length == 0) { 8205 return null; 8206 } 8207 8208 final int N = pkgInfo.verifiers.length; 8209 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8210 for (int i = 0; i < N; i++) { 8211 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8212 8213 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8214 receivers); 8215 if (comp == null) { 8216 continue; 8217 } 8218 8219 final int verifierUid = getUidForVerifier(verifierInfo); 8220 if (verifierUid == -1) { 8221 continue; 8222 } 8223 8224 if (DEBUG_VERIFY) { 8225 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8226 + " with the correct signature"); 8227 } 8228 sufficientVerifiers.add(comp); 8229 verificationState.addSufficientVerifier(verifierUid); 8230 } 8231 8232 return sufficientVerifiers; 8233 } 8234 8235 private int getUidForVerifier(VerifierInfo verifierInfo) { 8236 synchronized (mPackages) { 8237 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8238 if (pkg == null) { 8239 return -1; 8240 } else if (pkg.mSignatures.length != 1) { 8241 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8242 + " has more than one signature; ignoring"); 8243 return -1; 8244 } 8245 8246 /* 8247 * If the public key of the package's signature does not match 8248 * our expected public key, then this is a different package and 8249 * we should skip. 8250 */ 8251 8252 final byte[] expectedPublicKey; 8253 try { 8254 final Signature verifierSig = pkg.mSignatures[0]; 8255 final PublicKey publicKey = verifierSig.getPublicKey(); 8256 expectedPublicKey = publicKey.getEncoded(); 8257 } catch (CertificateException e) { 8258 return -1; 8259 } 8260 8261 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8262 8263 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8264 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8265 + " does not have the expected public key; ignoring"); 8266 return -1; 8267 } 8268 8269 return pkg.applicationInfo.uid; 8270 } 8271 } 8272 8273 @Override 8274 public void finishPackageInstall(int token) { 8275 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8276 8277 if (DEBUG_INSTALL) { 8278 Slog.v(TAG, "BM finishing package install for " + token); 8279 } 8280 8281 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8282 mHandler.sendMessage(msg); 8283 } 8284 8285 /** 8286 * Get the verification agent timeout. 8287 * 8288 * @return verification timeout in milliseconds 8289 */ 8290 private long getVerificationTimeout() { 8291 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8292 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8293 DEFAULT_VERIFICATION_TIMEOUT); 8294 } 8295 8296 /** 8297 * Get the default verification agent response code. 8298 * 8299 * @return default verification response code 8300 */ 8301 private int getDefaultVerificationResponse() { 8302 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8303 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8304 DEFAULT_VERIFICATION_RESPONSE); 8305 } 8306 8307 /** 8308 * Check whether or not package verification has been enabled. 8309 * 8310 * @return true if verification should be performed 8311 */ 8312 private boolean isVerificationEnabled(int userId, int installFlags) { 8313 if (!DEFAULT_VERIFY_ENABLE) { 8314 return false; 8315 } 8316 8317 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8318 8319 // Check if installing from ADB 8320 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8321 // Do not run verification in a test harness environment 8322 if (ActivityManager.isRunningInTestHarness()) { 8323 return false; 8324 } 8325 if (ensureVerifyAppsEnabled) { 8326 return true; 8327 } 8328 // Check if the developer does not want package verification for ADB installs 8329 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8330 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8331 return false; 8332 } 8333 } 8334 8335 if (ensureVerifyAppsEnabled) { 8336 return true; 8337 } 8338 8339 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8340 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8341 } 8342 8343 /** 8344 * Get the "allow unknown sources" setting. 8345 * 8346 * @return the current "allow unknown sources" setting 8347 */ 8348 private int getUnknownSourcesSettings() { 8349 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8350 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8351 -1); 8352 } 8353 8354 @Override 8355 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8356 final int uid = Binder.getCallingUid(); 8357 // writer 8358 synchronized (mPackages) { 8359 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8360 if (targetPackageSetting == null) { 8361 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8362 } 8363 8364 PackageSetting installerPackageSetting; 8365 if (installerPackageName != null) { 8366 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8367 if (installerPackageSetting == null) { 8368 throw new IllegalArgumentException("Unknown installer package: " 8369 + installerPackageName); 8370 } 8371 } else { 8372 installerPackageSetting = null; 8373 } 8374 8375 Signature[] callerSignature; 8376 Object obj = mSettings.getUserIdLPr(uid); 8377 if (obj != null) { 8378 if (obj instanceof SharedUserSetting) { 8379 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8380 } else if (obj instanceof PackageSetting) { 8381 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8382 } else { 8383 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8384 } 8385 } else { 8386 throw new SecurityException("Unknown calling uid " + uid); 8387 } 8388 8389 // Verify: can't set installerPackageName to a package that is 8390 // not signed with the same cert as the caller. 8391 if (installerPackageSetting != null) { 8392 if (compareSignatures(callerSignature, 8393 installerPackageSetting.signatures.mSignatures) 8394 != PackageManager.SIGNATURE_MATCH) { 8395 throw new SecurityException( 8396 "Caller does not have same cert as new installer package " 8397 + installerPackageName); 8398 } 8399 } 8400 8401 // Verify: if target already has an installer package, it must 8402 // be signed with the same cert as the caller. 8403 if (targetPackageSetting.installerPackageName != null) { 8404 PackageSetting setting = mSettings.mPackages.get( 8405 targetPackageSetting.installerPackageName); 8406 // If the currently set package isn't valid, then it's always 8407 // okay to change it. 8408 if (setting != null) { 8409 if (compareSignatures(callerSignature, 8410 setting.signatures.mSignatures) 8411 != PackageManager.SIGNATURE_MATCH) { 8412 throw new SecurityException( 8413 "Caller does not have same cert as old installer package " 8414 + targetPackageSetting.installerPackageName); 8415 } 8416 } 8417 } 8418 8419 // Okay! 8420 targetPackageSetting.installerPackageName = installerPackageName; 8421 scheduleWriteSettingsLocked(); 8422 } 8423 } 8424 8425 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8426 // Queue up an async operation since the package installation may take a little while. 8427 mHandler.post(new Runnable() { 8428 public void run() { 8429 mHandler.removeCallbacks(this); 8430 // Result object to be returned 8431 PackageInstalledInfo res = new PackageInstalledInfo(); 8432 res.returnCode = currentStatus; 8433 res.uid = -1; 8434 res.pkg = null; 8435 res.removedInfo = new PackageRemovedInfo(); 8436 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8437 args.doPreInstall(res.returnCode); 8438 synchronized (mInstallLock) { 8439 installPackageLI(args, res); 8440 } 8441 args.doPostInstall(res.returnCode, res.uid); 8442 } 8443 8444 // A restore should be performed at this point if (a) the install 8445 // succeeded, (b) the operation is not an update, and (c) the new 8446 // package has not opted out of backup participation. 8447 final boolean update = res.removedInfo.removedPackage != null; 8448 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8449 boolean doRestore = !update 8450 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8451 8452 // Set up the post-install work request bookkeeping. This will be used 8453 // and cleaned up by the post-install event handling regardless of whether 8454 // there's a restore pass performed. Token values are >= 1. 8455 int token; 8456 if (mNextInstallToken < 0) mNextInstallToken = 1; 8457 token = mNextInstallToken++; 8458 8459 PostInstallData data = new PostInstallData(args, res); 8460 mRunningInstalls.put(token, data); 8461 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8462 8463 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8464 // Pass responsibility to the Backup Manager. It will perform a 8465 // restore if appropriate, then pass responsibility back to the 8466 // Package Manager to run the post-install observer callbacks 8467 // and broadcasts. 8468 IBackupManager bm = IBackupManager.Stub.asInterface( 8469 ServiceManager.getService(Context.BACKUP_SERVICE)); 8470 if (bm != null) { 8471 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8472 + " to BM for possible restore"); 8473 try { 8474 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8475 } catch (RemoteException e) { 8476 // can't happen; the backup manager is local 8477 } catch (Exception e) { 8478 Slog.e(TAG, "Exception trying to enqueue restore", e); 8479 doRestore = false; 8480 } 8481 } else { 8482 Slog.e(TAG, "Backup Manager not found!"); 8483 doRestore = false; 8484 } 8485 } 8486 8487 if (!doRestore) { 8488 // No restore possible, or the Backup Manager was mysteriously not 8489 // available -- just fire the post-install work request directly. 8490 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8491 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8492 mHandler.sendMessage(msg); 8493 } 8494 } 8495 }); 8496 } 8497 8498 private abstract class HandlerParams { 8499 private static final int MAX_RETRIES = 4; 8500 8501 /** 8502 * Number of times startCopy() has been attempted and had a non-fatal 8503 * error. 8504 */ 8505 private int mRetries = 0; 8506 8507 /** User handle for the user requesting the information or installation. */ 8508 private final UserHandle mUser; 8509 8510 HandlerParams(UserHandle user) { 8511 mUser = user; 8512 } 8513 8514 UserHandle getUser() { 8515 return mUser; 8516 } 8517 8518 final boolean startCopy() { 8519 boolean res; 8520 try { 8521 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8522 8523 if (++mRetries > MAX_RETRIES) { 8524 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8525 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8526 handleServiceError(); 8527 return false; 8528 } else { 8529 handleStartCopy(); 8530 res = true; 8531 } 8532 } catch (RemoteException e) { 8533 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8534 mHandler.sendEmptyMessage(MCS_RECONNECT); 8535 res = false; 8536 } 8537 handleReturnCode(); 8538 return res; 8539 } 8540 8541 final void serviceError() { 8542 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8543 handleServiceError(); 8544 handleReturnCode(); 8545 } 8546 8547 abstract void handleStartCopy() throws RemoteException; 8548 abstract void handleServiceError(); 8549 abstract void handleReturnCode(); 8550 } 8551 8552 class MeasureParams extends HandlerParams { 8553 private final PackageStats mStats; 8554 private boolean mSuccess; 8555 8556 private final IPackageStatsObserver mObserver; 8557 8558 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8559 super(new UserHandle(stats.userHandle)); 8560 mObserver = observer; 8561 mStats = stats; 8562 } 8563 8564 @Override 8565 public String toString() { 8566 return "MeasureParams{" 8567 + Integer.toHexString(System.identityHashCode(this)) 8568 + " " + mStats.packageName + "}"; 8569 } 8570 8571 @Override 8572 void handleStartCopy() throws RemoteException { 8573 synchronized (mInstallLock) { 8574 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8575 } 8576 8577 if (mSuccess) { 8578 final boolean mounted; 8579 if (Environment.isExternalStorageEmulated()) { 8580 mounted = true; 8581 } else { 8582 final String status = Environment.getExternalStorageState(); 8583 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8584 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8585 } 8586 8587 if (mounted) { 8588 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8589 8590 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8591 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8592 8593 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8594 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8595 8596 // Always subtract cache size, since it's a subdirectory 8597 mStats.externalDataSize -= mStats.externalCacheSize; 8598 8599 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8600 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8601 8602 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8603 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8604 } 8605 } 8606 } 8607 8608 @Override 8609 void handleReturnCode() { 8610 if (mObserver != null) { 8611 try { 8612 mObserver.onGetStatsCompleted(mStats, mSuccess); 8613 } catch (RemoteException e) { 8614 Slog.i(TAG, "Observer no longer exists."); 8615 } 8616 } 8617 } 8618 8619 @Override 8620 void handleServiceError() { 8621 Slog.e(TAG, "Could not measure application " + mStats.packageName 8622 + " external storage"); 8623 } 8624 } 8625 8626 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8627 throws RemoteException { 8628 long result = 0; 8629 for (File path : paths) { 8630 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8631 } 8632 return result; 8633 } 8634 8635 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8636 for (File path : paths) { 8637 try { 8638 mcs.clearDirectory(path.getAbsolutePath()); 8639 } catch (RemoteException e) { 8640 } 8641 } 8642 } 8643 8644 static class OriginInfo { 8645 /** 8646 * Location where install is coming from, before it has been 8647 * copied/renamed into place. This could be a single monolithic APK 8648 * file, or a cluster directory. This location may be untrusted. 8649 */ 8650 final File file; 8651 final String cid; 8652 8653 /** 8654 * Flag indicating that {@link #file} or {@link #cid} has already been 8655 * staged, meaning downstream users don't need to defensively copy the 8656 * contents. 8657 */ 8658 final boolean staged; 8659 8660 /** 8661 * Flag indicating that {@link #file} or {@link #cid} is an already 8662 * installed app that is being moved. 8663 */ 8664 final boolean existing; 8665 8666 final String resolvedPath; 8667 final File resolvedFile; 8668 8669 static OriginInfo fromNothing() { 8670 return new OriginInfo(null, null, false, false); 8671 } 8672 8673 static OriginInfo fromUntrustedFile(File file) { 8674 return new OriginInfo(file, null, false, false); 8675 } 8676 8677 static OriginInfo fromExistingFile(File file) { 8678 return new OriginInfo(file, null, false, true); 8679 } 8680 8681 static OriginInfo fromStagedFile(File file) { 8682 return new OriginInfo(file, null, true, false); 8683 } 8684 8685 static OriginInfo fromStagedContainer(String cid) { 8686 return new OriginInfo(null, cid, true, false); 8687 } 8688 8689 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8690 this.file = file; 8691 this.cid = cid; 8692 this.staged = staged; 8693 this.existing = existing; 8694 8695 if (cid != null) { 8696 resolvedPath = PackageHelper.getSdDir(cid); 8697 resolvedFile = new File(resolvedPath); 8698 } else if (file != null) { 8699 resolvedPath = file.getAbsolutePath(); 8700 resolvedFile = file; 8701 } else { 8702 resolvedPath = null; 8703 resolvedFile = null; 8704 } 8705 } 8706 } 8707 8708 class InstallParams extends HandlerParams { 8709 final OriginInfo origin; 8710 final IPackageInstallObserver2 observer; 8711 int installFlags; 8712 final String installerPackageName; 8713 final VerificationParams verificationParams; 8714 private InstallArgs mArgs; 8715 private int mRet; 8716 final String packageAbiOverride; 8717 8718 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8719 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8720 String packageAbiOverride) { 8721 super(user); 8722 this.origin = origin; 8723 this.observer = observer; 8724 this.installFlags = installFlags; 8725 this.installerPackageName = installerPackageName; 8726 this.verificationParams = verificationParams; 8727 this.packageAbiOverride = packageAbiOverride; 8728 } 8729 8730 @Override 8731 public String toString() { 8732 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8733 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8734 } 8735 8736 public ManifestDigest getManifestDigest() { 8737 if (verificationParams == null) { 8738 return null; 8739 } 8740 return verificationParams.getManifestDigest(); 8741 } 8742 8743 private int installLocationPolicy(PackageInfoLite pkgLite) { 8744 String packageName = pkgLite.packageName; 8745 int installLocation = pkgLite.installLocation; 8746 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8747 // reader 8748 synchronized (mPackages) { 8749 PackageParser.Package pkg = mPackages.get(packageName); 8750 if (pkg != null) { 8751 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8752 // Check for downgrading. 8753 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8754 if (pkgLite.versionCode < pkg.mVersionCode) { 8755 Slog.w(TAG, "Can't install update of " + packageName 8756 + " update version " + pkgLite.versionCode 8757 + " is older than installed version " 8758 + pkg.mVersionCode); 8759 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8760 } 8761 } 8762 // Check for updated system application. 8763 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8764 if (onSd) { 8765 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8766 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8767 } 8768 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8769 } else { 8770 if (onSd) { 8771 // Install flag overrides everything. 8772 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8773 } 8774 // If current upgrade specifies particular preference 8775 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8776 // Application explicitly specified internal. 8777 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8778 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8779 // App explictly prefers external. Let policy decide 8780 } else { 8781 // Prefer previous location 8782 if (isExternal(pkg)) { 8783 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8784 } 8785 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8786 } 8787 } 8788 } else { 8789 // Invalid install. Return error code 8790 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8791 } 8792 } 8793 } 8794 // All the special cases have been taken care of. 8795 // Return result based on recommended install location. 8796 if (onSd) { 8797 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8798 } 8799 return pkgLite.recommendedInstallLocation; 8800 } 8801 8802 /* 8803 * Invoke remote method to get package information and install 8804 * location values. Override install location based on default 8805 * policy if needed and then create install arguments based 8806 * on the install location. 8807 */ 8808 public void handleStartCopy() throws RemoteException { 8809 int ret = PackageManager.INSTALL_SUCCEEDED; 8810 8811 // If we're already staged, we've firmly committed to an install location 8812 if (origin.staged) { 8813 if (origin.file != null) { 8814 installFlags |= PackageManager.INSTALL_INTERNAL; 8815 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8816 } else if (origin.cid != null) { 8817 installFlags |= PackageManager.INSTALL_EXTERNAL; 8818 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8819 } else { 8820 throw new IllegalStateException("Invalid stage location"); 8821 } 8822 } 8823 8824 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8825 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8826 8827 PackageInfoLite pkgLite = null; 8828 8829 if (onInt && onSd) { 8830 // Check if both bits are set. 8831 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8832 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8833 } else { 8834 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8835 packageAbiOverride); 8836 8837 /* 8838 * If we have too little free space, try to free cache 8839 * before giving up. 8840 */ 8841 if (!origin.staged && pkgLite.recommendedInstallLocation 8842 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8843 // TODO: focus freeing disk space on the target device 8844 final StorageManager storage = StorageManager.from(mContext); 8845 final long lowThreshold = storage.getStorageLowBytes( 8846 Environment.getDataDirectory()); 8847 8848 final long sizeBytes = mContainerService.calculateInstalledSize( 8849 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8850 8851 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8852 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8853 installFlags, packageAbiOverride); 8854 } 8855 8856 /* 8857 * The cache free must have deleted the file we 8858 * downloaded to install. 8859 * 8860 * TODO: fix the "freeCache" call to not delete 8861 * the file we care about. 8862 */ 8863 if (pkgLite.recommendedInstallLocation 8864 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8865 pkgLite.recommendedInstallLocation 8866 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8867 } 8868 } 8869 } 8870 8871 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8872 int loc = pkgLite.recommendedInstallLocation; 8873 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8874 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8875 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8876 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8877 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8878 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8879 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8880 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8881 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8882 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8883 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8884 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8885 } else { 8886 // Override with defaults if needed. 8887 loc = installLocationPolicy(pkgLite); 8888 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8889 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8890 } else if (!onSd && !onInt) { 8891 // Override install location with flags 8892 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8893 // Set the flag to install on external media. 8894 installFlags |= PackageManager.INSTALL_EXTERNAL; 8895 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8896 } else { 8897 // Make sure the flag for installing on external 8898 // media is unset 8899 installFlags |= PackageManager.INSTALL_INTERNAL; 8900 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8901 } 8902 } 8903 } 8904 } 8905 8906 final InstallArgs args = createInstallArgs(this); 8907 mArgs = args; 8908 8909 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8910 /* 8911 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8912 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8913 */ 8914 int userIdentifier = getUser().getIdentifier(); 8915 if (userIdentifier == UserHandle.USER_ALL 8916 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8917 userIdentifier = UserHandle.USER_OWNER; 8918 } 8919 8920 /* 8921 * Determine if we have any installed package verifiers. If we 8922 * do, then we'll defer to them to verify the packages. 8923 */ 8924 final int requiredUid = mRequiredVerifierPackage == null ? -1 8925 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8926 if (!origin.existing && requiredUid != -1 8927 && isVerificationEnabled(userIdentifier, installFlags)) { 8928 final Intent verification = new Intent( 8929 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8930 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8931 PACKAGE_MIME_TYPE); 8932 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8933 8934 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8935 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8936 0 /* TODO: Which userId? */); 8937 8938 if (DEBUG_VERIFY) { 8939 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8940 + verification.toString() + " with " + pkgLite.verifiers.length 8941 + " optional verifiers"); 8942 } 8943 8944 final int verificationId = mPendingVerificationToken++; 8945 8946 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8947 8948 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8949 installerPackageName); 8950 8951 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8952 installFlags); 8953 8954 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8955 pkgLite.packageName); 8956 8957 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8958 pkgLite.versionCode); 8959 8960 if (verificationParams != null) { 8961 if (verificationParams.getVerificationURI() != null) { 8962 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8963 verificationParams.getVerificationURI()); 8964 } 8965 if (verificationParams.getOriginatingURI() != null) { 8966 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8967 verificationParams.getOriginatingURI()); 8968 } 8969 if (verificationParams.getReferrer() != null) { 8970 verification.putExtra(Intent.EXTRA_REFERRER, 8971 verificationParams.getReferrer()); 8972 } 8973 if (verificationParams.getOriginatingUid() >= 0) { 8974 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8975 verificationParams.getOriginatingUid()); 8976 } 8977 if (verificationParams.getInstallerUid() >= 0) { 8978 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8979 verificationParams.getInstallerUid()); 8980 } 8981 } 8982 8983 final PackageVerificationState verificationState = new PackageVerificationState( 8984 requiredUid, args); 8985 8986 mPendingVerification.append(verificationId, verificationState); 8987 8988 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8989 receivers, verificationState); 8990 8991 /* 8992 * If any sufficient verifiers were listed in the package 8993 * manifest, attempt to ask them. 8994 */ 8995 if (sufficientVerifiers != null) { 8996 final int N = sufficientVerifiers.size(); 8997 if (N == 0) { 8998 Slog.i(TAG, "Additional verifiers required, but none installed."); 8999 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9000 } else { 9001 for (int i = 0; i < N; i++) { 9002 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9003 9004 final Intent sufficientIntent = new Intent(verification); 9005 sufficientIntent.setComponent(verifierComponent); 9006 9007 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9008 } 9009 } 9010 } 9011 9012 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9013 mRequiredVerifierPackage, receivers); 9014 if (ret == PackageManager.INSTALL_SUCCEEDED 9015 && mRequiredVerifierPackage != null) { 9016 /* 9017 * Send the intent to the required verification agent, 9018 * but only start the verification timeout after the 9019 * target BroadcastReceivers have run. 9020 */ 9021 verification.setComponent(requiredVerifierComponent); 9022 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9023 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9024 new BroadcastReceiver() { 9025 @Override 9026 public void onReceive(Context context, Intent intent) { 9027 final Message msg = mHandler 9028 .obtainMessage(CHECK_PENDING_VERIFICATION); 9029 msg.arg1 = verificationId; 9030 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9031 } 9032 }, null, 0, null, null); 9033 9034 /* 9035 * We don't want the copy to proceed until verification 9036 * succeeds, so null out this field. 9037 */ 9038 mArgs = null; 9039 } 9040 } else { 9041 /* 9042 * No package verification is enabled, so immediately start 9043 * the remote call to initiate copy using temporary file. 9044 */ 9045 ret = args.copyApk(mContainerService, true); 9046 } 9047 } 9048 9049 mRet = ret; 9050 } 9051 9052 @Override 9053 void handleReturnCode() { 9054 // If mArgs is null, then MCS couldn't be reached. When it 9055 // reconnects, it will try again to install. At that point, this 9056 // will succeed. 9057 if (mArgs != null) { 9058 processPendingInstall(mArgs, mRet); 9059 } 9060 } 9061 9062 @Override 9063 void handleServiceError() { 9064 mArgs = createInstallArgs(this); 9065 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9066 } 9067 9068 public boolean isForwardLocked() { 9069 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9070 } 9071 } 9072 9073 /** 9074 * Used during creation of InstallArgs 9075 * 9076 * @param installFlags package installation flags 9077 * @return true if should be installed on external storage 9078 */ 9079 private static boolean installOnSd(int installFlags) { 9080 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9081 return false; 9082 } 9083 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9084 return true; 9085 } 9086 return false; 9087 } 9088 9089 /** 9090 * Used during creation of InstallArgs 9091 * 9092 * @param installFlags package installation flags 9093 * @return true if should be installed as forward locked 9094 */ 9095 private static boolean installForwardLocked(int installFlags) { 9096 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9097 } 9098 9099 private InstallArgs createInstallArgs(InstallParams params) { 9100 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9101 return new AsecInstallArgs(params); 9102 } else { 9103 return new FileInstallArgs(params); 9104 } 9105 } 9106 9107 /** 9108 * Create args that describe an existing installed package. Typically used 9109 * when cleaning up old installs, or used as a move source. 9110 */ 9111 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9112 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9113 final boolean isInAsec; 9114 if (installOnSd(installFlags)) { 9115 /* Apps on SD card are always in ASEC containers. */ 9116 isInAsec = true; 9117 } else if (installForwardLocked(installFlags) 9118 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9119 /* 9120 * Forward-locked apps are only in ASEC containers if they're the 9121 * new style 9122 */ 9123 isInAsec = true; 9124 } else { 9125 isInAsec = false; 9126 } 9127 9128 if (isInAsec) { 9129 return new AsecInstallArgs(codePath, instructionSets, 9130 installOnSd(installFlags), installForwardLocked(installFlags)); 9131 } else { 9132 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9133 instructionSets); 9134 } 9135 } 9136 9137 static abstract class InstallArgs { 9138 /** @see InstallParams#origin */ 9139 final OriginInfo origin; 9140 9141 final IPackageInstallObserver2 observer; 9142 // Always refers to PackageManager flags only 9143 final int installFlags; 9144 final String installerPackageName; 9145 final ManifestDigest manifestDigest; 9146 final UserHandle user; 9147 final String abiOverride; 9148 9149 // The list of instruction sets supported by this app. This is currently 9150 // only used during the rmdex() phase to clean up resources. We can get rid of this 9151 // if we move dex files under the common app path. 9152 /* nullable */ String[] instructionSets; 9153 9154 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9155 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9156 String[] instructionSets, String abiOverride) { 9157 this.origin = origin; 9158 this.installFlags = installFlags; 9159 this.observer = observer; 9160 this.installerPackageName = installerPackageName; 9161 this.manifestDigest = manifestDigest; 9162 this.user = user; 9163 this.instructionSets = instructionSets; 9164 this.abiOverride = abiOverride; 9165 } 9166 9167 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9168 abstract int doPreInstall(int status); 9169 9170 /** 9171 * Rename package into final resting place. All paths on the given 9172 * scanned package should be updated to reflect the rename. 9173 */ 9174 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9175 abstract int doPostInstall(int status, int uid); 9176 9177 /** @see PackageSettingBase#codePathString */ 9178 abstract String getCodePath(); 9179 /** @see PackageSettingBase#resourcePathString */ 9180 abstract String getResourcePath(); 9181 abstract String getLegacyNativeLibraryPath(); 9182 9183 // Need installer lock especially for dex file removal. 9184 abstract void cleanUpResourcesLI(); 9185 abstract boolean doPostDeleteLI(boolean delete); 9186 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9187 9188 /** 9189 * Called before the source arguments are copied. This is used mostly 9190 * for MoveParams when it needs to read the source file to put it in the 9191 * destination. 9192 */ 9193 int doPreCopy() { 9194 return PackageManager.INSTALL_SUCCEEDED; 9195 } 9196 9197 /** 9198 * Called after the source arguments are copied. This is used mostly for 9199 * MoveParams when it needs to read the source file to put it in the 9200 * destination. 9201 * 9202 * @return 9203 */ 9204 int doPostCopy(int uid) { 9205 return PackageManager.INSTALL_SUCCEEDED; 9206 } 9207 9208 protected boolean isFwdLocked() { 9209 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9210 } 9211 9212 protected boolean isExternal() { 9213 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9214 } 9215 9216 UserHandle getUser() { 9217 return user; 9218 } 9219 } 9220 9221 /** 9222 * Logic to handle installation of non-ASEC applications, including copying 9223 * and renaming logic. 9224 */ 9225 class FileInstallArgs extends InstallArgs { 9226 private File codeFile; 9227 private File resourceFile; 9228 private File legacyNativeLibraryPath; 9229 9230 // Example topology: 9231 // /data/app/com.example/base.apk 9232 // /data/app/com.example/split_foo.apk 9233 // /data/app/com.example/lib/arm/libfoo.so 9234 // /data/app/com.example/lib/arm64/libfoo.so 9235 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9236 9237 /** New install */ 9238 FileInstallArgs(InstallParams params) { 9239 super(params.origin, params.observer, params.installFlags, 9240 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9241 null /* instruction sets */, params.packageAbiOverride); 9242 if (isFwdLocked()) { 9243 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9244 } 9245 } 9246 9247 /** Existing install */ 9248 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9249 String[] instructionSets) { 9250 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9251 this.codeFile = (codePath != null) ? new File(codePath) : null; 9252 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9253 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9254 new File(legacyNativeLibraryPath) : null; 9255 } 9256 9257 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9258 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9259 isFwdLocked(), abiOverride); 9260 9261 final StorageManager storage = StorageManager.from(mContext); 9262 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9263 } 9264 9265 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9266 if (origin.staged) { 9267 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9268 codeFile = origin.file; 9269 resourceFile = origin.file; 9270 return PackageManager.INSTALL_SUCCEEDED; 9271 } 9272 9273 try { 9274 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9275 codeFile = tempDir; 9276 resourceFile = tempDir; 9277 } catch (IOException e) { 9278 Slog.w(TAG, "Failed to create copy file: " + e); 9279 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9280 } 9281 9282 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9283 @Override 9284 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9285 if (!FileUtils.isValidExtFilename(name)) { 9286 throw new IllegalArgumentException("Invalid filename: " + name); 9287 } 9288 try { 9289 final File file = new File(codeFile, name); 9290 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9291 O_RDWR | O_CREAT, 0644); 9292 Os.chmod(file.getAbsolutePath(), 0644); 9293 return new ParcelFileDescriptor(fd); 9294 } catch (ErrnoException e) { 9295 throw new RemoteException("Failed to open: " + e.getMessage()); 9296 } 9297 } 9298 }; 9299 9300 int ret = PackageManager.INSTALL_SUCCEEDED; 9301 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9302 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9303 Slog.e(TAG, "Failed to copy package"); 9304 return ret; 9305 } 9306 9307 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9308 NativeLibraryHelper.Handle handle = null; 9309 try { 9310 handle = NativeLibraryHelper.Handle.create(codeFile); 9311 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9312 abiOverride); 9313 } catch (IOException e) { 9314 Slog.e(TAG, "Copying native libraries failed", e); 9315 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9316 } finally { 9317 IoUtils.closeQuietly(handle); 9318 } 9319 9320 return ret; 9321 } 9322 9323 int doPreInstall(int status) { 9324 if (status != PackageManager.INSTALL_SUCCEEDED) { 9325 cleanUp(); 9326 } 9327 return status; 9328 } 9329 9330 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9331 if (status != PackageManager.INSTALL_SUCCEEDED) { 9332 cleanUp(); 9333 return false; 9334 } else { 9335 final File beforeCodeFile = codeFile; 9336 final File afterCodeFile = getNextCodePath(pkg.packageName); 9337 9338 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9339 try { 9340 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9341 } catch (ErrnoException e) { 9342 Slog.d(TAG, "Failed to rename", e); 9343 return false; 9344 } 9345 9346 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9347 Slog.d(TAG, "Failed to restorecon"); 9348 return false; 9349 } 9350 9351 // Reflect the rename internally 9352 codeFile = afterCodeFile; 9353 resourceFile = afterCodeFile; 9354 9355 // Reflect the rename in scanned details 9356 pkg.codePath = afterCodeFile.getAbsolutePath(); 9357 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9358 pkg.baseCodePath); 9359 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9360 pkg.splitCodePaths); 9361 9362 // Reflect the rename in app info 9363 pkg.applicationInfo.setCodePath(pkg.codePath); 9364 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9365 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9366 pkg.applicationInfo.setResourcePath(pkg.codePath); 9367 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9368 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9369 9370 return true; 9371 } 9372 } 9373 9374 int doPostInstall(int status, int uid) { 9375 if (status != PackageManager.INSTALL_SUCCEEDED) { 9376 cleanUp(); 9377 } 9378 return status; 9379 } 9380 9381 @Override 9382 String getCodePath() { 9383 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9384 } 9385 9386 @Override 9387 String getResourcePath() { 9388 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9389 } 9390 9391 @Override 9392 String getLegacyNativeLibraryPath() { 9393 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9394 } 9395 9396 private boolean cleanUp() { 9397 if (codeFile == null || !codeFile.exists()) { 9398 return false; 9399 } 9400 9401 if (codeFile.isDirectory()) { 9402 FileUtils.deleteContents(codeFile); 9403 } 9404 codeFile.delete(); 9405 9406 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9407 resourceFile.delete(); 9408 } 9409 9410 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9411 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9412 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9413 } 9414 legacyNativeLibraryPath.delete(); 9415 } 9416 9417 return true; 9418 } 9419 9420 void cleanUpResourcesLI() { 9421 // Try enumerating all code paths before deleting 9422 List<String> allCodePaths = Collections.EMPTY_LIST; 9423 if (codeFile != null && codeFile.exists()) { 9424 try { 9425 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9426 allCodePaths = pkg.getAllCodePaths(); 9427 } catch (PackageParserException e) { 9428 // Ignored; we tried our best 9429 } 9430 } 9431 9432 cleanUp(); 9433 9434 if (!allCodePaths.isEmpty()) { 9435 if (instructionSets == null) { 9436 throw new IllegalStateException("instructionSet == null"); 9437 } 9438 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9439 for (String codePath : allCodePaths) { 9440 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9441 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9442 if (retCode < 0) { 9443 Slog.w(TAG, "Couldn't remove dex file for package: " 9444 + " at location " + codePath + ", retcode=" + retCode); 9445 // we don't consider this to be a failure of the core package deletion 9446 } 9447 } 9448 } 9449 } 9450 } 9451 9452 boolean doPostDeleteLI(boolean delete) { 9453 // XXX err, shouldn't we respect the delete flag? 9454 cleanUpResourcesLI(); 9455 return true; 9456 } 9457 } 9458 9459 private boolean isAsecExternal(String cid) { 9460 final String asecPath = PackageHelper.getSdFilesystem(cid); 9461 return !asecPath.startsWith(mAsecInternalPath); 9462 } 9463 9464 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9465 PackageManagerException { 9466 if (copyRet < 0) { 9467 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9468 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9469 throw new PackageManagerException(copyRet, message); 9470 } 9471 } 9472 } 9473 9474 /** 9475 * Extract the MountService "container ID" from the full code path of an 9476 * .apk. 9477 */ 9478 static String cidFromCodePath(String fullCodePath) { 9479 int eidx = fullCodePath.lastIndexOf("/"); 9480 String subStr1 = fullCodePath.substring(0, eidx); 9481 int sidx = subStr1.lastIndexOf("/"); 9482 return subStr1.substring(sidx+1, eidx); 9483 } 9484 9485 /** 9486 * Logic to handle installation of ASEC applications, including copying and 9487 * renaming logic. 9488 */ 9489 class AsecInstallArgs extends InstallArgs { 9490 static final String RES_FILE_NAME = "pkg.apk"; 9491 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9492 9493 String cid; 9494 String packagePath; 9495 String resourcePath; 9496 String legacyNativeLibraryDir; 9497 9498 /** New install */ 9499 AsecInstallArgs(InstallParams params) { 9500 super(params.origin, params.observer, params.installFlags, 9501 params.installerPackageName, params.getManifestDigest(), 9502 params.getUser(), null /* instruction sets */, 9503 params.packageAbiOverride); 9504 } 9505 9506 /** Existing install */ 9507 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9508 boolean isExternal, boolean isForwardLocked) { 9509 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9510 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9511 instructionSets, null); 9512 // Hackily pretend we're still looking at a full code path 9513 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9514 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9515 } 9516 9517 // Extract cid from fullCodePath 9518 int eidx = fullCodePath.lastIndexOf("/"); 9519 String subStr1 = fullCodePath.substring(0, eidx); 9520 int sidx = subStr1.lastIndexOf("/"); 9521 cid = subStr1.substring(sidx+1, eidx); 9522 setMountPath(subStr1); 9523 } 9524 9525 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9526 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9527 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9528 instructionSets, null); 9529 this.cid = cid; 9530 setMountPath(PackageHelper.getSdDir(cid)); 9531 } 9532 9533 void createCopyFile() { 9534 cid = mInstallerService.allocateExternalStageCidLegacy(); 9535 } 9536 9537 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9538 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9539 abiOverride); 9540 9541 final File target; 9542 if (isExternal()) { 9543 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9544 } else { 9545 target = Environment.getDataDirectory(); 9546 } 9547 9548 final StorageManager storage = StorageManager.from(mContext); 9549 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9550 } 9551 9552 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9553 if (origin.staged) { 9554 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9555 cid = origin.cid; 9556 setMountPath(PackageHelper.getSdDir(cid)); 9557 return PackageManager.INSTALL_SUCCEEDED; 9558 } 9559 9560 if (temp) { 9561 createCopyFile(); 9562 } else { 9563 /* 9564 * Pre-emptively destroy the container since it's destroyed if 9565 * copying fails due to it existing anyway. 9566 */ 9567 PackageHelper.destroySdDir(cid); 9568 } 9569 9570 final String newMountPath = imcs.copyPackageToContainer( 9571 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9572 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9573 9574 if (newMountPath != null) { 9575 setMountPath(newMountPath); 9576 return PackageManager.INSTALL_SUCCEEDED; 9577 } else { 9578 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9579 } 9580 } 9581 9582 @Override 9583 String getCodePath() { 9584 return packagePath; 9585 } 9586 9587 @Override 9588 String getResourcePath() { 9589 return resourcePath; 9590 } 9591 9592 @Override 9593 String getLegacyNativeLibraryPath() { 9594 return legacyNativeLibraryDir; 9595 } 9596 9597 int doPreInstall(int status) { 9598 if (status != PackageManager.INSTALL_SUCCEEDED) { 9599 // Destroy container 9600 PackageHelper.destroySdDir(cid); 9601 } else { 9602 boolean mounted = PackageHelper.isContainerMounted(cid); 9603 if (!mounted) { 9604 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9605 Process.SYSTEM_UID); 9606 if (newMountPath != null) { 9607 setMountPath(newMountPath); 9608 } else { 9609 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9610 } 9611 } 9612 } 9613 return status; 9614 } 9615 9616 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9617 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9618 String newMountPath = null; 9619 if (PackageHelper.isContainerMounted(cid)) { 9620 // Unmount the container 9621 if (!PackageHelper.unMountSdDir(cid)) { 9622 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9623 return false; 9624 } 9625 } 9626 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9627 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9628 " which might be stale. Will try to clean up."); 9629 // Clean up the stale container and proceed to recreate. 9630 if (!PackageHelper.destroySdDir(newCacheId)) { 9631 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9632 return false; 9633 } 9634 // Successfully cleaned up stale container. Try to rename again. 9635 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9636 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9637 + " inspite of cleaning it up."); 9638 return false; 9639 } 9640 } 9641 if (!PackageHelper.isContainerMounted(newCacheId)) { 9642 Slog.w(TAG, "Mounting container " + newCacheId); 9643 newMountPath = PackageHelper.mountSdDir(newCacheId, 9644 getEncryptKey(), Process.SYSTEM_UID); 9645 } else { 9646 newMountPath = PackageHelper.getSdDir(newCacheId); 9647 } 9648 if (newMountPath == null) { 9649 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9650 return false; 9651 } 9652 Log.i(TAG, "Succesfully renamed " + cid + 9653 " to " + newCacheId + 9654 " at new path: " + newMountPath); 9655 cid = newCacheId; 9656 9657 final File beforeCodeFile = new File(packagePath); 9658 setMountPath(newMountPath); 9659 final File afterCodeFile = new File(packagePath); 9660 9661 // Reflect the rename in scanned details 9662 pkg.codePath = afterCodeFile.getAbsolutePath(); 9663 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9664 pkg.baseCodePath); 9665 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9666 pkg.splitCodePaths); 9667 9668 // Reflect the rename in app info 9669 pkg.applicationInfo.setCodePath(pkg.codePath); 9670 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9671 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9672 pkg.applicationInfo.setResourcePath(pkg.codePath); 9673 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9674 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9675 9676 return true; 9677 } 9678 9679 private void setMountPath(String mountPath) { 9680 final File mountFile = new File(mountPath); 9681 9682 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9683 if (monolithicFile.exists()) { 9684 packagePath = monolithicFile.getAbsolutePath(); 9685 if (isFwdLocked()) { 9686 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9687 } else { 9688 resourcePath = packagePath; 9689 } 9690 } else { 9691 packagePath = mountFile.getAbsolutePath(); 9692 resourcePath = packagePath; 9693 } 9694 9695 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9696 } 9697 9698 int doPostInstall(int status, int uid) { 9699 if (status != PackageManager.INSTALL_SUCCEEDED) { 9700 cleanUp(); 9701 } else { 9702 final int groupOwner; 9703 final String protectedFile; 9704 if (isFwdLocked()) { 9705 groupOwner = UserHandle.getSharedAppGid(uid); 9706 protectedFile = RES_FILE_NAME; 9707 } else { 9708 groupOwner = -1; 9709 protectedFile = null; 9710 } 9711 9712 if (uid < Process.FIRST_APPLICATION_UID 9713 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9714 Slog.e(TAG, "Failed to finalize " + cid); 9715 PackageHelper.destroySdDir(cid); 9716 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9717 } 9718 9719 boolean mounted = PackageHelper.isContainerMounted(cid); 9720 if (!mounted) { 9721 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9722 } 9723 } 9724 return status; 9725 } 9726 9727 private void cleanUp() { 9728 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9729 9730 // Destroy secure container 9731 PackageHelper.destroySdDir(cid); 9732 } 9733 9734 private List<String> getAllCodePaths() { 9735 final File codeFile = new File(getCodePath()); 9736 if (codeFile != null && codeFile.exists()) { 9737 try { 9738 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9739 return pkg.getAllCodePaths(); 9740 } catch (PackageParserException e) { 9741 // Ignored; we tried our best 9742 } 9743 } 9744 return Collections.EMPTY_LIST; 9745 } 9746 9747 void cleanUpResourcesLI() { 9748 // Enumerate all code paths before deleting 9749 cleanUpResourcesLI(getAllCodePaths()); 9750 } 9751 9752 private void cleanUpResourcesLI(List<String> allCodePaths) { 9753 cleanUp(); 9754 9755 if (!allCodePaths.isEmpty()) { 9756 if (instructionSets == null) { 9757 throw new IllegalStateException("instructionSet == null"); 9758 } 9759 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9760 for (String codePath : allCodePaths) { 9761 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9762 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9763 if (retCode < 0) { 9764 Slog.w(TAG, "Couldn't remove dex file for package: " 9765 + " at location " + codePath + ", retcode=" + retCode); 9766 // we don't consider this to be a failure of the core package deletion 9767 } 9768 } 9769 } 9770 } 9771 } 9772 9773 boolean matchContainer(String app) { 9774 if (cid.startsWith(app)) { 9775 return true; 9776 } 9777 return false; 9778 } 9779 9780 String getPackageName() { 9781 return getAsecPackageName(cid); 9782 } 9783 9784 boolean doPostDeleteLI(boolean delete) { 9785 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9786 final List<String> allCodePaths = getAllCodePaths(); 9787 boolean mounted = PackageHelper.isContainerMounted(cid); 9788 if (mounted) { 9789 // Unmount first 9790 if (PackageHelper.unMountSdDir(cid)) { 9791 mounted = false; 9792 } 9793 } 9794 if (!mounted && delete) { 9795 cleanUpResourcesLI(allCodePaths); 9796 } 9797 return !mounted; 9798 } 9799 9800 @Override 9801 int doPreCopy() { 9802 if (isFwdLocked()) { 9803 if (!PackageHelper.fixSdPermissions(cid, 9804 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9805 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9806 } 9807 } 9808 9809 return PackageManager.INSTALL_SUCCEEDED; 9810 } 9811 9812 @Override 9813 int doPostCopy(int uid) { 9814 if (isFwdLocked()) { 9815 if (uid < Process.FIRST_APPLICATION_UID 9816 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9817 RES_FILE_NAME)) { 9818 Slog.e(TAG, "Failed to finalize " + cid); 9819 PackageHelper.destroySdDir(cid); 9820 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9821 } 9822 } 9823 9824 return PackageManager.INSTALL_SUCCEEDED; 9825 } 9826 } 9827 9828 static String getAsecPackageName(String packageCid) { 9829 int idx = packageCid.lastIndexOf("-"); 9830 if (idx == -1) { 9831 return packageCid; 9832 } 9833 return packageCid.substring(0, idx); 9834 } 9835 9836 // Utility method used to create code paths based on package name and available index. 9837 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9838 String idxStr = ""; 9839 int idx = 1; 9840 // Fall back to default value of idx=1 if prefix is not 9841 // part of oldCodePath 9842 if (oldCodePath != null) { 9843 String subStr = oldCodePath; 9844 // Drop the suffix right away 9845 if (suffix != null && subStr.endsWith(suffix)) { 9846 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9847 } 9848 // If oldCodePath already contains prefix find out the 9849 // ending index to either increment or decrement. 9850 int sidx = subStr.lastIndexOf(prefix); 9851 if (sidx != -1) { 9852 subStr = subStr.substring(sidx + prefix.length()); 9853 if (subStr != null) { 9854 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9855 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9856 } 9857 try { 9858 idx = Integer.parseInt(subStr); 9859 if (idx <= 1) { 9860 idx++; 9861 } else { 9862 idx--; 9863 } 9864 } catch(NumberFormatException e) { 9865 } 9866 } 9867 } 9868 } 9869 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9870 return prefix + idxStr; 9871 } 9872 9873 private File getNextCodePath(String packageName) { 9874 int suffix = 1; 9875 File result; 9876 do { 9877 result = new File(mAppInstallDir, packageName + "-" + suffix); 9878 suffix++; 9879 } while (result.exists()); 9880 return result; 9881 } 9882 9883 // Utility method used to ignore ADD/REMOVE events 9884 // by directory observer. 9885 private static boolean ignoreCodePath(String fullPathStr) { 9886 String apkName = deriveCodePathName(fullPathStr); 9887 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9888 if (idx != -1 && ((idx+1) < apkName.length())) { 9889 // Make sure the package ends with a numeral 9890 String version = apkName.substring(idx+1); 9891 try { 9892 Integer.parseInt(version); 9893 return true; 9894 } catch (NumberFormatException e) {} 9895 } 9896 return false; 9897 } 9898 9899 // Utility method that returns the relative package path with respect 9900 // to the installation directory. Like say for /data/data/com.test-1.apk 9901 // string com.test-1 is returned. 9902 static String deriveCodePathName(String codePath) { 9903 if (codePath == null) { 9904 return null; 9905 } 9906 final File codeFile = new File(codePath); 9907 final String name = codeFile.getName(); 9908 if (codeFile.isDirectory()) { 9909 return name; 9910 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9911 final int lastDot = name.lastIndexOf('.'); 9912 return name.substring(0, lastDot); 9913 } else { 9914 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9915 return null; 9916 } 9917 } 9918 9919 class PackageInstalledInfo { 9920 String name; 9921 int uid; 9922 // The set of users that originally had this package installed. 9923 int[] origUsers; 9924 // The set of users that now have this package installed. 9925 int[] newUsers; 9926 PackageParser.Package pkg; 9927 int returnCode; 9928 String returnMsg; 9929 PackageRemovedInfo removedInfo; 9930 9931 public void setError(int code, String msg) { 9932 returnCode = code; 9933 returnMsg = msg; 9934 Slog.w(TAG, msg); 9935 } 9936 9937 public void setError(String msg, PackageParserException e) { 9938 returnCode = e.error; 9939 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9940 Slog.w(TAG, msg, e); 9941 } 9942 9943 public void setError(String msg, PackageManagerException e) { 9944 returnCode = e.error; 9945 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9946 Slog.w(TAG, msg, e); 9947 } 9948 9949 // In some error cases we want to convey more info back to the observer 9950 String origPackage; 9951 String origPermission; 9952 } 9953 9954 /* 9955 * Install a non-existing package. 9956 */ 9957 private void installNewPackageLI(PackageParser.Package pkg, 9958 int parseFlags, int scanFlags, UserHandle user, 9959 String installerPackageName, PackageInstalledInfo res) { 9960 // Remember this for later, in case we need to rollback this install 9961 String pkgName = pkg.packageName; 9962 9963 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9964 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9965 synchronized(mPackages) { 9966 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9967 // A package with the same name is already installed, though 9968 // it has been renamed to an older name. The package we 9969 // are trying to install should be installed as an update to 9970 // the existing one, but that has not been requested, so bail. 9971 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9972 + " without first uninstalling package running as " 9973 + mSettings.mRenamedPackages.get(pkgName)); 9974 return; 9975 } 9976 if (mPackages.containsKey(pkgName)) { 9977 // Don't allow installation over an existing package with the same name. 9978 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9979 + " without first uninstalling."); 9980 return; 9981 } 9982 } 9983 9984 try { 9985 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9986 System.currentTimeMillis(), user); 9987 9988 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9989 // delete the partially installed application. the data directory will have to be 9990 // restored if it was already existing 9991 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9992 // remove package from internal structures. Note that we want deletePackageX to 9993 // delete the package data and cache directories that it created in 9994 // scanPackageLocked, unless those directories existed before we even tried to 9995 // install. 9996 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9997 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9998 res.removedInfo, true); 9999 } 10000 10001 } catch (PackageManagerException e) { 10002 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10003 } 10004 } 10005 10006 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10007 // Upgrade keysets are being used. Determine if new package has a superset of the 10008 // required keys. 10009 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10010 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10011 for (int i = 0; i < upgradeKeySets.length; i++) { 10012 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10013 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10014 return true; 10015 } 10016 } 10017 return false; 10018 } 10019 10020 private void replacePackageLI(PackageParser.Package pkg, 10021 int parseFlags, int scanFlags, UserHandle user, 10022 String installerPackageName, PackageInstalledInfo res) { 10023 PackageParser.Package oldPackage; 10024 String pkgName = pkg.packageName; 10025 int[] allUsers; 10026 boolean[] perUserInstalled; 10027 10028 // First find the old package info and check signatures 10029 synchronized(mPackages) { 10030 oldPackage = mPackages.get(pkgName); 10031 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10032 PackageSetting ps = mSettings.mPackages.get(pkgName); 10033 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10034 // default to original signature matching 10035 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10036 != PackageManager.SIGNATURE_MATCH) { 10037 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10038 "New package has a different signature: " + pkgName); 10039 return; 10040 } 10041 } else { 10042 if(!checkUpgradeKeySetLP(ps, pkg)) { 10043 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10044 "New package not signed by keys specified by upgrade-keysets: " 10045 + pkgName); 10046 return; 10047 } 10048 } 10049 10050 // In case of rollback, remember per-user/profile install state 10051 allUsers = sUserManager.getUserIds(); 10052 perUserInstalled = new boolean[allUsers.length]; 10053 for (int i = 0; i < allUsers.length; i++) { 10054 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10055 } 10056 } 10057 10058 boolean sysPkg = (isSystemApp(oldPackage)); 10059 if (sysPkg) { 10060 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10061 user, allUsers, perUserInstalled, installerPackageName, res); 10062 } else { 10063 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10064 user, allUsers, perUserInstalled, installerPackageName, res); 10065 } 10066 } 10067 10068 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10069 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10070 int[] allUsers, boolean[] perUserInstalled, 10071 String installerPackageName, PackageInstalledInfo res) { 10072 String pkgName = deletedPackage.packageName; 10073 boolean deletedPkg = true; 10074 boolean updatedSettings = false; 10075 10076 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10077 + deletedPackage); 10078 long origUpdateTime; 10079 if (pkg.mExtras != null) { 10080 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10081 } else { 10082 origUpdateTime = 0; 10083 } 10084 10085 // First delete the existing package while retaining the data directory 10086 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10087 res.removedInfo, true)) { 10088 // If the existing package wasn't successfully deleted 10089 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10090 deletedPkg = false; 10091 } else { 10092 // Successfully deleted the old package; proceed with replace. 10093 10094 // If deleted package lived in a container, give users a chance to 10095 // relinquish resources before killing. 10096 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10097 if (DEBUG_INSTALL) { 10098 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10099 } 10100 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10101 final ArrayList<String> pkgList = new ArrayList<String>(1); 10102 pkgList.add(deletedPackage.applicationInfo.packageName); 10103 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10104 } 10105 10106 deleteCodeCacheDirsLI(pkgName); 10107 try { 10108 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10109 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10110 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10111 updatedSettings = true; 10112 } catch (PackageManagerException e) { 10113 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10114 } 10115 } 10116 10117 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10118 // remove package from internal structures. Note that we want deletePackageX to 10119 // delete the package data and cache directories that it created in 10120 // scanPackageLocked, unless those directories existed before we even tried to 10121 // install. 10122 if(updatedSettings) { 10123 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10124 deletePackageLI( 10125 pkgName, null, true, allUsers, perUserInstalled, 10126 PackageManager.DELETE_KEEP_DATA, 10127 res.removedInfo, true); 10128 } 10129 // Since we failed to install the new package we need to restore the old 10130 // package that we deleted. 10131 if (deletedPkg) { 10132 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10133 File restoreFile = new File(deletedPackage.codePath); 10134 // Parse old package 10135 boolean oldOnSd = isExternal(deletedPackage); 10136 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10137 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10138 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10139 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10140 try { 10141 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10142 } catch (PackageManagerException e) { 10143 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10144 + e.getMessage()); 10145 return; 10146 } 10147 // Restore of old package succeeded. Update permissions. 10148 // writer 10149 synchronized (mPackages) { 10150 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10151 UPDATE_PERMISSIONS_ALL); 10152 // can downgrade to reader 10153 mSettings.writeLPr(); 10154 } 10155 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10156 } 10157 } 10158 } 10159 10160 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10161 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10162 int[] allUsers, boolean[] perUserInstalled, 10163 String installerPackageName, PackageInstalledInfo res) { 10164 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10165 + ", old=" + deletedPackage); 10166 boolean disabledSystem = false; 10167 boolean updatedSettings = false; 10168 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10169 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10170 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10171 } 10172 String packageName = deletedPackage.packageName; 10173 if (packageName == null) { 10174 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10175 "Attempt to delete null packageName."); 10176 return; 10177 } 10178 PackageParser.Package oldPkg; 10179 PackageSetting oldPkgSetting; 10180 // reader 10181 synchronized (mPackages) { 10182 oldPkg = mPackages.get(packageName); 10183 oldPkgSetting = mSettings.mPackages.get(packageName); 10184 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10185 (oldPkgSetting == null)) { 10186 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10187 "Couldn't find package:" + packageName + " information"); 10188 return; 10189 } 10190 } 10191 10192 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10193 10194 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10195 res.removedInfo.removedPackage = packageName; 10196 // Remove existing system package 10197 removePackageLI(oldPkgSetting, true); 10198 // writer 10199 synchronized (mPackages) { 10200 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10201 if (!disabledSystem && deletedPackage != null) { 10202 // We didn't need to disable the .apk as a current system package, 10203 // which means we are replacing another update that is already 10204 // installed. We need to make sure to delete the older one's .apk. 10205 res.removedInfo.args = createInstallArgsForExisting(0, 10206 deletedPackage.applicationInfo.getCodePath(), 10207 deletedPackage.applicationInfo.getResourcePath(), 10208 deletedPackage.applicationInfo.nativeLibraryRootDir, 10209 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10210 } else { 10211 res.removedInfo.args = null; 10212 } 10213 } 10214 10215 // Successfully disabled the old package. Now proceed with re-installation 10216 deleteCodeCacheDirsLI(packageName); 10217 10218 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10219 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10220 10221 PackageParser.Package newPackage = null; 10222 try { 10223 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10224 if (newPackage.mExtras != null) { 10225 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10226 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10227 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10228 10229 // is the update attempting to change shared user? that isn't going to work... 10230 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10231 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10232 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10233 + " to " + newPkgSetting.sharedUser); 10234 updatedSettings = true; 10235 } 10236 } 10237 10238 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10239 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10240 updatedSettings = true; 10241 } 10242 10243 } catch (PackageManagerException e) { 10244 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10245 } 10246 10247 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10248 // Re installation failed. Restore old information 10249 // Remove new pkg information 10250 if (newPackage != null) { 10251 removeInstalledPackageLI(newPackage, true); 10252 } 10253 // Add back the old system package 10254 try { 10255 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10256 } catch (PackageManagerException e) { 10257 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10258 } 10259 // Restore the old system information in Settings 10260 synchronized (mPackages) { 10261 if (disabledSystem) { 10262 mSettings.enableSystemPackageLPw(packageName); 10263 } 10264 if (updatedSettings) { 10265 mSettings.setInstallerPackageName(packageName, 10266 oldPkgSetting.installerPackageName); 10267 } 10268 mSettings.writeLPr(); 10269 } 10270 } 10271 } 10272 10273 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10274 int[] allUsers, boolean[] perUserInstalled, 10275 PackageInstalledInfo res) { 10276 String pkgName = newPackage.packageName; 10277 synchronized (mPackages) { 10278 //write settings. the installStatus will be incomplete at this stage. 10279 //note that the new package setting would have already been 10280 //added to mPackages. It hasn't been persisted yet. 10281 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10282 mSettings.writeLPr(); 10283 } 10284 10285 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10286 10287 synchronized (mPackages) { 10288 updatePermissionsLPw(newPackage.packageName, newPackage, 10289 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10290 ? UPDATE_PERMISSIONS_ALL : 0)); 10291 // For system-bundled packages, we assume that installing an upgraded version 10292 // of the package implies that the user actually wants to run that new code, 10293 // so we enable the package. 10294 if (isSystemApp(newPackage)) { 10295 // NB: implicit assumption that system package upgrades apply to all users 10296 if (DEBUG_INSTALL) { 10297 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10298 } 10299 PackageSetting ps = mSettings.mPackages.get(pkgName); 10300 if (ps != null) { 10301 if (res.origUsers != null) { 10302 for (int userHandle : res.origUsers) { 10303 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10304 userHandle, installerPackageName); 10305 } 10306 } 10307 // Also convey the prior install/uninstall state 10308 if (allUsers != null && perUserInstalled != null) { 10309 for (int i = 0; i < allUsers.length; i++) { 10310 if (DEBUG_INSTALL) { 10311 Slog.d(TAG, " user " + allUsers[i] 10312 + " => " + perUserInstalled[i]); 10313 } 10314 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10315 } 10316 // these install state changes will be persisted in the 10317 // upcoming call to mSettings.writeLPr(). 10318 } 10319 } 10320 } 10321 res.name = pkgName; 10322 res.uid = newPackage.applicationInfo.uid; 10323 res.pkg = newPackage; 10324 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10325 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10326 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10327 //to update install status 10328 mSettings.writeLPr(); 10329 } 10330 } 10331 10332 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10333 final int installFlags = args.installFlags; 10334 String installerPackageName = args.installerPackageName; 10335 File tmpPackageFile = new File(args.getCodePath()); 10336 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10337 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10338 boolean replace = false; 10339 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10340 // Result object to be returned 10341 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10342 10343 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10344 // Retrieve PackageSettings and parse package 10345 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10346 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10347 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10348 PackageParser pp = new PackageParser(); 10349 pp.setSeparateProcesses(mSeparateProcesses); 10350 pp.setDisplayMetrics(mMetrics); 10351 10352 final PackageParser.Package pkg; 10353 try { 10354 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10355 } catch (PackageParserException e) { 10356 res.setError("Failed parse during installPackageLI", e); 10357 return; 10358 } 10359 10360 // Mark that we have an install time CPU ABI override. 10361 pkg.cpuAbiOverride = args.abiOverride; 10362 10363 String pkgName = res.name = pkg.packageName; 10364 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10365 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10366 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10367 return; 10368 } 10369 } 10370 10371 try { 10372 pp.collectCertificates(pkg, parseFlags); 10373 pp.collectManifestDigest(pkg); 10374 } catch (PackageParserException e) { 10375 res.setError("Failed collect during installPackageLI", e); 10376 return; 10377 } 10378 10379 /* If the installer passed in a manifest digest, compare it now. */ 10380 if (args.manifestDigest != null) { 10381 if (DEBUG_INSTALL) { 10382 final String parsedManifest = pkg.manifestDigest == null ? "null" 10383 : pkg.manifestDigest.toString(); 10384 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10385 + parsedManifest); 10386 } 10387 10388 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10389 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10390 return; 10391 } 10392 } else if (DEBUG_INSTALL) { 10393 final String parsedManifest = pkg.manifestDigest == null 10394 ? "null" : pkg.manifestDigest.toString(); 10395 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10396 } 10397 10398 // Get rid of all references to package scan path via parser. 10399 pp = null; 10400 String oldCodePath = null; 10401 boolean systemApp = false; 10402 synchronized (mPackages) { 10403 // Check whether the newly-scanned package wants to define an already-defined perm 10404 int N = pkg.permissions.size(); 10405 for (int i = N-1; i >= 0; i--) { 10406 PackageParser.Permission perm = pkg.permissions.get(i); 10407 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10408 if (bp != null) { 10409 // If the defining package is signed with our cert, it's okay. This 10410 // also includes the "updating the same package" case, of course. 10411 // "updating same package" could also involve key-rotation. 10412 final boolean sigsOk; 10413 if (!bp.sourcePackage.equals(pkg.packageName) 10414 || !(bp.packageSetting instanceof PackageSetting) 10415 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10416 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10417 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10418 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10419 } else { 10420 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10421 } 10422 if (!sigsOk) { 10423 // If the owning package is the system itself, we log but allow 10424 // install to proceed; we fail the install on all other permission 10425 // redefinitions. 10426 if (!bp.sourcePackage.equals("android")) { 10427 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10428 + pkg.packageName + " attempting to redeclare permission " 10429 + perm.info.name + " already owned by " + bp.sourcePackage); 10430 res.origPermission = perm.info.name; 10431 res.origPackage = bp.sourcePackage; 10432 return; 10433 } else { 10434 Slog.w(TAG, "Package " + pkg.packageName 10435 + " attempting to redeclare system permission " 10436 + perm.info.name + "; ignoring new declaration"); 10437 pkg.permissions.remove(i); 10438 } 10439 } 10440 } 10441 } 10442 10443 // Check if installing already existing package 10444 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10445 String oldName = mSettings.mRenamedPackages.get(pkgName); 10446 if (pkg.mOriginalPackages != null 10447 && pkg.mOriginalPackages.contains(oldName) 10448 && mPackages.containsKey(oldName)) { 10449 // This package is derived from an original package, 10450 // and this device has been updating from that original 10451 // name. We must continue using the original name, so 10452 // rename the new package here. 10453 pkg.setPackageName(oldName); 10454 pkgName = pkg.packageName; 10455 replace = true; 10456 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10457 + oldName + " pkgName=" + pkgName); 10458 } else if (mPackages.containsKey(pkgName)) { 10459 // This package, under its official name, already exists 10460 // on the device; we should replace it. 10461 replace = true; 10462 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10463 } 10464 } 10465 PackageSetting ps = mSettings.mPackages.get(pkgName); 10466 if (ps != null) { 10467 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10468 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10469 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10470 systemApp = (ps.pkg.applicationInfo.flags & 10471 ApplicationInfo.FLAG_SYSTEM) != 0; 10472 } 10473 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10474 } 10475 } 10476 10477 if (systemApp && onSd) { 10478 // Disable updates to system apps on sdcard 10479 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10480 "Cannot install updates to system apps on sdcard"); 10481 return; 10482 } 10483 10484 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10485 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10486 return; 10487 } 10488 10489 if (replace) { 10490 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10491 installerPackageName, res); 10492 } else { 10493 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10494 args.user, installerPackageName, res); 10495 } 10496 synchronized (mPackages) { 10497 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10498 if (ps != null) { 10499 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10500 } 10501 } 10502 } 10503 10504 private static boolean isForwardLocked(PackageParser.Package pkg) { 10505 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10506 } 10507 10508 private static boolean isForwardLocked(ApplicationInfo info) { 10509 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10510 } 10511 10512 private boolean isForwardLocked(PackageSetting ps) { 10513 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10514 } 10515 10516 private static boolean isMultiArch(PackageSetting ps) { 10517 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10518 } 10519 10520 private static boolean isMultiArch(ApplicationInfo info) { 10521 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10522 } 10523 10524 private static boolean isExternal(PackageParser.Package pkg) { 10525 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10526 } 10527 10528 private static boolean isExternal(PackageSetting ps) { 10529 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10530 } 10531 10532 private static boolean isExternal(ApplicationInfo info) { 10533 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10534 } 10535 10536 private static boolean isSystemApp(PackageParser.Package pkg) { 10537 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10538 } 10539 10540 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10541 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10542 } 10543 10544 private static boolean isSystemApp(ApplicationInfo info) { 10545 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10546 } 10547 10548 private static boolean isSystemApp(PackageSetting ps) { 10549 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10550 } 10551 10552 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10553 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10554 } 10555 10556 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10557 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10558 } 10559 10560 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10561 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10562 } 10563 10564 private int packageFlagsToInstallFlags(PackageSetting ps) { 10565 int installFlags = 0; 10566 if (isExternal(ps)) { 10567 installFlags |= PackageManager.INSTALL_EXTERNAL; 10568 } 10569 if (isForwardLocked(ps)) { 10570 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10571 } 10572 return installFlags; 10573 } 10574 10575 private void deleteTempPackageFiles() { 10576 final FilenameFilter filter = new FilenameFilter() { 10577 public boolean accept(File dir, String name) { 10578 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10579 } 10580 }; 10581 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10582 file.delete(); 10583 } 10584 } 10585 10586 @Override 10587 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10588 int flags) { 10589 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10590 flags); 10591 } 10592 10593 @Override 10594 public void deletePackage(final String packageName, 10595 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10596 mContext.enforceCallingOrSelfPermission( 10597 android.Manifest.permission.DELETE_PACKAGES, null); 10598 final int uid = Binder.getCallingUid(); 10599 if (UserHandle.getUserId(uid) != userId) { 10600 mContext.enforceCallingPermission( 10601 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10602 "deletePackage for user " + userId); 10603 } 10604 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10605 try { 10606 observer.onPackageDeleted(packageName, 10607 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10608 } catch (RemoteException re) { 10609 } 10610 return; 10611 } 10612 10613 boolean uninstallBlocked = false; 10614 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10615 int[] users = sUserManager.getUserIds(); 10616 for (int i = 0; i < users.length; ++i) { 10617 if (getBlockUninstallForUser(packageName, users[i])) { 10618 uninstallBlocked = true; 10619 break; 10620 } 10621 } 10622 } else { 10623 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10624 } 10625 if (uninstallBlocked) { 10626 try { 10627 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10628 null); 10629 } catch (RemoteException re) { 10630 } 10631 return; 10632 } 10633 10634 if (DEBUG_REMOVE) { 10635 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10636 } 10637 // Queue up an async operation since the package deletion may take a little while. 10638 mHandler.post(new Runnable() { 10639 public void run() { 10640 mHandler.removeCallbacks(this); 10641 final int returnCode = deletePackageX(packageName, userId, flags); 10642 if (observer != null) { 10643 try { 10644 observer.onPackageDeleted(packageName, returnCode, null); 10645 } catch (RemoteException e) { 10646 Log.i(TAG, "Observer no longer exists."); 10647 } //end catch 10648 } //end if 10649 } //end run 10650 }); 10651 } 10652 10653 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10654 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10655 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10656 try { 10657 if (dpm != null) { 10658 if (dpm.isDeviceOwner(packageName)) { 10659 return true; 10660 } 10661 int[] users; 10662 if (userId == UserHandle.USER_ALL) { 10663 users = sUserManager.getUserIds(); 10664 } else { 10665 users = new int[]{userId}; 10666 } 10667 for (int i = 0; i < users.length; ++i) { 10668 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10669 return true; 10670 } 10671 } 10672 } 10673 } catch (RemoteException e) { 10674 } 10675 return false; 10676 } 10677 10678 /** 10679 * This method is an internal method that could be get invoked either 10680 * to delete an installed package or to clean up a failed installation. 10681 * After deleting an installed package, a broadcast is sent to notify any 10682 * listeners that the package has been installed. For cleaning up a failed 10683 * installation, the broadcast is not necessary since the package's 10684 * installation wouldn't have sent the initial broadcast either 10685 * The key steps in deleting a package are 10686 * deleting the package information in internal structures like mPackages, 10687 * deleting the packages base directories through installd 10688 * updating mSettings to reflect current status 10689 * persisting settings for later use 10690 * sending a broadcast if necessary 10691 */ 10692 private int deletePackageX(String packageName, int userId, int flags) { 10693 final PackageRemovedInfo info = new PackageRemovedInfo(); 10694 final boolean res; 10695 10696 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10697 ? UserHandle.ALL : new UserHandle(userId); 10698 10699 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10700 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10701 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10702 } 10703 10704 boolean removedForAllUsers = false; 10705 boolean systemUpdate = false; 10706 10707 // for the uninstall-updates case and restricted profiles, remember the per- 10708 // userhandle installed state 10709 int[] allUsers; 10710 boolean[] perUserInstalled; 10711 synchronized (mPackages) { 10712 PackageSetting ps = mSettings.mPackages.get(packageName); 10713 allUsers = sUserManager.getUserIds(); 10714 perUserInstalled = new boolean[allUsers.length]; 10715 for (int i = 0; i < allUsers.length; i++) { 10716 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10717 } 10718 } 10719 10720 synchronized (mInstallLock) { 10721 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10722 res = deletePackageLI(packageName, removeForUser, 10723 true, allUsers, perUserInstalled, 10724 flags | REMOVE_CHATTY, info, true); 10725 systemUpdate = info.isRemovedPackageSystemUpdate; 10726 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10727 removedForAllUsers = true; 10728 } 10729 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10730 + " removedForAllUsers=" + removedForAllUsers); 10731 } 10732 10733 if (res) { 10734 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10735 10736 // If the removed package was a system update, the old system package 10737 // was re-enabled; we need to broadcast this information 10738 if (systemUpdate) { 10739 Bundle extras = new Bundle(1); 10740 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10741 ? info.removedAppId : info.uid); 10742 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10743 10744 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10745 extras, null, null, null); 10746 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10747 extras, null, null, null); 10748 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10749 null, packageName, null, null); 10750 } 10751 } 10752 // Force a gc here. 10753 Runtime.getRuntime().gc(); 10754 // Delete the resources here after sending the broadcast to let 10755 // other processes clean up before deleting resources. 10756 if (info.args != null) { 10757 synchronized (mInstallLock) { 10758 info.args.doPostDeleteLI(true); 10759 } 10760 } 10761 10762 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10763 } 10764 10765 static class PackageRemovedInfo { 10766 String removedPackage; 10767 int uid = -1; 10768 int removedAppId = -1; 10769 int[] removedUsers = null; 10770 boolean isRemovedPackageSystemUpdate = false; 10771 // Clean up resources deleted packages. 10772 InstallArgs args = null; 10773 10774 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10775 Bundle extras = new Bundle(1); 10776 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10777 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10778 if (replacing) { 10779 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10780 } 10781 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10782 if (removedPackage != null) { 10783 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10784 extras, null, null, removedUsers); 10785 if (fullRemove && !replacing) { 10786 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10787 extras, null, null, removedUsers); 10788 } 10789 } 10790 if (removedAppId >= 0) { 10791 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10792 removedUsers); 10793 } 10794 } 10795 } 10796 10797 /* 10798 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10799 * flag is not set, the data directory is removed as well. 10800 * make sure this flag is set for partially installed apps. If not its meaningless to 10801 * delete a partially installed application. 10802 */ 10803 private void removePackageDataLI(PackageSetting ps, 10804 int[] allUserHandles, boolean[] perUserInstalled, 10805 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10806 String packageName = ps.name; 10807 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10808 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10809 // Retrieve object to delete permissions for shared user later on 10810 final PackageSetting deletedPs; 10811 // reader 10812 synchronized (mPackages) { 10813 deletedPs = mSettings.mPackages.get(packageName); 10814 if (outInfo != null) { 10815 outInfo.removedPackage = packageName; 10816 outInfo.removedUsers = deletedPs != null 10817 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10818 : null; 10819 } 10820 } 10821 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10822 removeDataDirsLI(packageName); 10823 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10824 } 10825 // writer 10826 synchronized (mPackages) { 10827 if (deletedPs != null) { 10828 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10829 if (outInfo != null) { 10830 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10831 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10832 } 10833 if (deletedPs != null) { 10834 updatePermissionsLPw(deletedPs.name, null, 0); 10835 if (deletedPs.sharedUser != null) { 10836 // remove permissions associated with package 10837 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10838 } 10839 } 10840 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10841 } 10842 // make sure to preserve per-user disabled state if this removal was just 10843 // a downgrade of a system app to the factory package 10844 if (allUserHandles != null && perUserInstalled != null) { 10845 if (DEBUG_REMOVE) { 10846 Slog.d(TAG, "Propagating install state across downgrade"); 10847 } 10848 for (int i = 0; i < allUserHandles.length; i++) { 10849 if (DEBUG_REMOVE) { 10850 Slog.d(TAG, " user " + allUserHandles[i] 10851 + " => " + perUserInstalled[i]); 10852 } 10853 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10854 } 10855 } 10856 } 10857 // can downgrade to reader 10858 if (writeSettings) { 10859 // Save settings now 10860 mSettings.writeLPr(); 10861 } 10862 } 10863 if (outInfo != null) { 10864 // A user ID was deleted here. Go through all users and remove it 10865 // from KeyStore. 10866 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10867 } 10868 } 10869 10870 static boolean locationIsPrivileged(File path) { 10871 try { 10872 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10873 .getCanonicalPath(); 10874 return path.getCanonicalPath().startsWith(privilegedAppDir); 10875 } catch (IOException e) { 10876 Slog.e(TAG, "Unable to access code path " + path); 10877 } 10878 return false; 10879 } 10880 10881 /* 10882 * Tries to delete system package. 10883 */ 10884 private boolean deleteSystemPackageLI(PackageSetting newPs, 10885 int[] allUserHandles, boolean[] perUserInstalled, 10886 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10887 final boolean applyUserRestrictions 10888 = (allUserHandles != null) && (perUserInstalled != null); 10889 PackageSetting disabledPs = null; 10890 // Confirm if the system package has been updated 10891 // An updated system app can be deleted. This will also have to restore 10892 // the system pkg from system partition 10893 // reader 10894 synchronized (mPackages) { 10895 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10896 } 10897 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10898 + " disabledPs=" + disabledPs); 10899 if (disabledPs == null) { 10900 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10901 return false; 10902 } else if (DEBUG_REMOVE) { 10903 Slog.d(TAG, "Deleting system pkg from data partition"); 10904 } 10905 if (DEBUG_REMOVE) { 10906 if (applyUserRestrictions) { 10907 Slog.d(TAG, "Remembering install states:"); 10908 for (int i = 0; i < allUserHandles.length; i++) { 10909 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10910 } 10911 } 10912 } 10913 // Delete the updated package 10914 outInfo.isRemovedPackageSystemUpdate = true; 10915 if (disabledPs.versionCode < newPs.versionCode) { 10916 // Delete data for downgrades 10917 flags &= ~PackageManager.DELETE_KEEP_DATA; 10918 } else { 10919 // Preserve data by setting flag 10920 flags |= PackageManager.DELETE_KEEP_DATA; 10921 } 10922 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10923 allUserHandles, perUserInstalled, outInfo, writeSettings); 10924 if (!ret) { 10925 return false; 10926 } 10927 // writer 10928 synchronized (mPackages) { 10929 // Reinstate the old system package 10930 mSettings.enableSystemPackageLPw(newPs.name); 10931 // Remove any native libraries from the upgraded package. 10932 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10933 } 10934 // Install the system package 10935 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10936 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10937 if (locationIsPrivileged(disabledPs.codePath)) { 10938 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10939 } 10940 10941 final PackageParser.Package newPkg; 10942 try { 10943 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10944 } catch (PackageManagerException e) { 10945 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10946 return false; 10947 } 10948 10949 // writer 10950 synchronized (mPackages) { 10951 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10952 updatePermissionsLPw(newPkg.packageName, newPkg, 10953 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10954 if (applyUserRestrictions) { 10955 if (DEBUG_REMOVE) { 10956 Slog.d(TAG, "Propagating install state across reinstall"); 10957 } 10958 for (int i = 0; i < allUserHandles.length; i++) { 10959 if (DEBUG_REMOVE) { 10960 Slog.d(TAG, " user " + allUserHandles[i] 10961 + " => " + perUserInstalled[i]); 10962 } 10963 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10964 } 10965 // Regardless of writeSettings we need to ensure that this restriction 10966 // state propagation is persisted 10967 mSettings.writeAllUsersPackageRestrictionsLPr(); 10968 } 10969 // can downgrade to reader here 10970 if (writeSettings) { 10971 mSettings.writeLPr(); 10972 } 10973 } 10974 return true; 10975 } 10976 10977 private boolean deleteInstalledPackageLI(PackageSetting ps, 10978 boolean deleteCodeAndResources, int flags, 10979 int[] allUserHandles, boolean[] perUserInstalled, 10980 PackageRemovedInfo outInfo, boolean writeSettings) { 10981 if (outInfo != null) { 10982 outInfo.uid = ps.appId; 10983 } 10984 10985 // Delete package data from internal structures and also remove data if flag is set 10986 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10987 10988 // Delete application code and resources 10989 if (deleteCodeAndResources && (outInfo != null)) { 10990 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10991 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10992 getAppDexInstructionSets(ps)); 10993 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10994 } 10995 return true; 10996 } 10997 10998 @Override 10999 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11000 int userId) { 11001 mContext.enforceCallingOrSelfPermission( 11002 android.Manifest.permission.DELETE_PACKAGES, null); 11003 synchronized (mPackages) { 11004 PackageSetting ps = mSettings.mPackages.get(packageName); 11005 if (ps == null) { 11006 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11007 return false; 11008 } 11009 if (!ps.getInstalled(userId)) { 11010 // Can't block uninstall for an app that is not installed or enabled. 11011 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11012 return false; 11013 } 11014 ps.setBlockUninstall(blockUninstall, userId); 11015 mSettings.writePackageRestrictionsLPr(userId); 11016 } 11017 return true; 11018 } 11019 11020 @Override 11021 public boolean getBlockUninstallForUser(String packageName, int userId) { 11022 synchronized (mPackages) { 11023 PackageSetting ps = mSettings.mPackages.get(packageName); 11024 if (ps == null) { 11025 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11026 return false; 11027 } 11028 return ps.getBlockUninstall(userId); 11029 } 11030 } 11031 11032 /* 11033 * This method handles package deletion in general 11034 */ 11035 private boolean deletePackageLI(String packageName, UserHandle user, 11036 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11037 int flags, PackageRemovedInfo outInfo, 11038 boolean writeSettings) { 11039 if (packageName == null) { 11040 Slog.w(TAG, "Attempt to delete null packageName."); 11041 return false; 11042 } 11043 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11044 PackageSetting ps; 11045 boolean dataOnly = false; 11046 int removeUser = -1; 11047 int appId = -1; 11048 synchronized (mPackages) { 11049 ps = mSettings.mPackages.get(packageName); 11050 if (ps == null) { 11051 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11052 return false; 11053 } 11054 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11055 && user.getIdentifier() != UserHandle.USER_ALL) { 11056 // The caller is asking that the package only be deleted for a single 11057 // user. To do this, we just mark its uninstalled state and delete 11058 // its data. If this is a system app, we only allow this to happen if 11059 // they have set the special DELETE_SYSTEM_APP which requests different 11060 // semantics than normal for uninstalling system apps. 11061 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11062 ps.setUserState(user.getIdentifier(), 11063 COMPONENT_ENABLED_STATE_DEFAULT, 11064 false, //installed 11065 true, //stopped 11066 true, //notLaunched 11067 false, //hidden 11068 null, null, null, 11069 false // blockUninstall 11070 ); 11071 if (!isSystemApp(ps)) { 11072 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11073 // Other user still have this package installed, so all 11074 // we need to do is clear this user's data and save that 11075 // it is uninstalled. 11076 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11077 removeUser = user.getIdentifier(); 11078 appId = ps.appId; 11079 mSettings.writePackageRestrictionsLPr(removeUser); 11080 } else { 11081 // We need to set it back to 'installed' so the uninstall 11082 // broadcasts will be sent correctly. 11083 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11084 ps.setInstalled(true, user.getIdentifier()); 11085 } 11086 } else { 11087 // This is a system app, so we assume that the 11088 // other users still have this package installed, so all 11089 // we need to do is clear this user's data and save that 11090 // it is uninstalled. 11091 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11092 removeUser = user.getIdentifier(); 11093 appId = ps.appId; 11094 mSettings.writePackageRestrictionsLPr(removeUser); 11095 } 11096 } 11097 } 11098 11099 if (removeUser >= 0) { 11100 // From above, we determined that we are deleting this only 11101 // for a single user. Continue the work here. 11102 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11103 if (outInfo != null) { 11104 outInfo.removedPackage = packageName; 11105 outInfo.removedAppId = appId; 11106 outInfo.removedUsers = new int[] {removeUser}; 11107 } 11108 mInstaller.clearUserData(packageName, removeUser); 11109 removeKeystoreDataIfNeeded(removeUser, appId); 11110 schedulePackageCleaning(packageName, removeUser, false); 11111 return true; 11112 } 11113 11114 if (dataOnly) { 11115 // Delete application data first 11116 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11117 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11118 return true; 11119 } 11120 11121 boolean ret = false; 11122 if (isSystemApp(ps)) { 11123 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11124 // When an updated system application is deleted we delete the existing resources as well and 11125 // fall back to existing code in system partition 11126 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11127 flags, outInfo, writeSettings); 11128 } else { 11129 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11130 // Kill application pre-emptively especially for apps on sd. 11131 killApplication(packageName, ps.appId, "uninstall pkg"); 11132 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11133 allUserHandles, perUserInstalled, 11134 outInfo, writeSettings); 11135 } 11136 11137 return ret; 11138 } 11139 11140 private final class ClearStorageConnection implements ServiceConnection { 11141 IMediaContainerService mContainerService; 11142 11143 @Override 11144 public void onServiceConnected(ComponentName name, IBinder service) { 11145 synchronized (this) { 11146 mContainerService = IMediaContainerService.Stub.asInterface(service); 11147 notifyAll(); 11148 } 11149 } 11150 11151 @Override 11152 public void onServiceDisconnected(ComponentName name) { 11153 } 11154 } 11155 11156 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11157 final boolean mounted; 11158 if (Environment.isExternalStorageEmulated()) { 11159 mounted = true; 11160 } else { 11161 final String status = Environment.getExternalStorageState(); 11162 11163 mounted = status.equals(Environment.MEDIA_MOUNTED) 11164 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11165 } 11166 11167 if (!mounted) { 11168 return; 11169 } 11170 11171 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11172 int[] users; 11173 if (userId == UserHandle.USER_ALL) { 11174 users = sUserManager.getUserIds(); 11175 } else { 11176 users = new int[] { userId }; 11177 } 11178 final ClearStorageConnection conn = new ClearStorageConnection(); 11179 if (mContext.bindServiceAsUser( 11180 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11181 try { 11182 for (int curUser : users) { 11183 long timeout = SystemClock.uptimeMillis() + 5000; 11184 synchronized (conn) { 11185 long now = SystemClock.uptimeMillis(); 11186 while (conn.mContainerService == null && now < timeout) { 11187 try { 11188 conn.wait(timeout - now); 11189 } catch (InterruptedException e) { 11190 } 11191 } 11192 } 11193 if (conn.mContainerService == null) { 11194 return; 11195 } 11196 11197 final UserEnvironment userEnv = new UserEnvironment(curUser); 11198 clearDirectory(conn.mContainerService, 11199 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11200 if (allData) { 11201 clearDirectory(conn.mContainerService, 11202 userEnv.buildExternalStorageAppDataDirs(packageName)); 11203 clearDirectory(conn.mContainerService, 11204 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11205 } 11206 } 11207 } finally { 11208 mContext.unbindService(conn); 11209 } 11210 } 11211 } 11212 11213 @Override 11214 public void clearApplicationUserData(final String packageName, 11215 final IPackageDataObserver observer, final int userId) { 11216 mContext.enforceCallingOrSelfPermission( 11217 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11218 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11219 // Queue up an async operation since the package deletion may take a little while. 11220 mHandler.post(new Runnable() { 11221 public void run() { 11222 mHandler.removeCallbacks(this); 11223 final boolean succeeded; 11224 synchronized (mInstallLock) { 11225 succeeded = clearApplicationUserDataLI(packageName, userId); 11226 } 11227 clearExternalStorageDataSync(packageName, userId, true); 11228 if (succeeded) { 11229 // invoke DeviceStorageMonitor's update method to clear any notifications 11230 DeviceStorageMonitorInternal 11231 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11232 if (dsm != null) { 11233 dsm.checkMemory(); 11234 } 11235 } 11236 if(observer != null) { 11237 try { 11238 observer.onRemoveCompleted(packageName, succeeded); 11239 } catch (RemoteException e) { 11240 Log.i(TAG, "Observer no longer exists."); 11241 } 11242 } //end if observer 11243 } //end run 11244 }); 11245 } 11246 11247 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11248 if (packageName == null) { 11249 Slog.w(TAG, "Attempt to delete null packageName."); 11250 return false; 11251 } 11252 11253 // Try finding details about the requested package 11254 PackageParser.Package pkg; 11255 synchronized (mPackages) { 11256 pkg = mPackages.get(packageName); 11257 if (pkg == null) { 11258 final PackageSetting ps = mSettings.mPackages.get(packageName); 11259 if (ps != null) { 11260 pkg = ps.pkg; 11261 } 11262 } 11263 } 11264 11265 if (pkg == null) { 11266 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11267 } 11268 11269 // Always delete data directories for package, even if we found no other 11270 // record of app. This helps users recover from UID mismatches without 11271 // resorting to a full data wipe. 11272 int retCode = mInstaller.clearUserData(packageName, userId); 11273 if (retCode < 0) { 11274 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11275 return false; 11276 } 11277 11278 if (pkg == null) { 11279 return false; 11280 } 11281 11282 if (pkg != null && pkg.applicationInfo != null) { 11283 final int appId = pkg.applicationInfo.uid; 11284 removeKeystoreDataIfNeeded(userId, appId); 11285 } 11286 11287 // Create a native library symlink only if we have native libraries 11288 // and if the native libraries are 32 bit libraries. We do not provide 11289 // this symlink for 64 bit libraries. 11290 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11291 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11292 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11293 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11294 Slog.w(TAG, "Failed linking native library dir"); 11295 return false; 11296 } 11297 } 11298 11299 return true; 11300 } 11301 11302 /** 11303 * Remove entries from the keystore daemon. Will only remove it if the 11304 * {@code appId} is valid. 11305 */ 11306 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11307 if (appId < 0) { 11308 return; 11309 } 11310 11311 final KeyStore keyStore = KeyStore.getInstance(); 11312 if (keyStore != null) { 11313 if (userId == UserHandle.USER_ALL) { 11314 for (final int individual : sUserManager.getUserIds()) { 11315 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11316 } 11317 } else { 11318 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11319 } 11320 } else { 11321 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11322 } 11323 } 11324 11325 @Override 11326 public void deleteApplicationCacheFiles(final String packageName, 11327 final IPackageDataObserver observer) { 11328 mContext.enforceCallingOrSelfPermission( 11329 android.Manifest.permission.DELETE_CACHE_FILES, null); 11330 // Queue up an async operation since the package deletion may take a little while. 11331 final int userId = UserHandle.getCallingUserId(); 11332 mHandler.post(new Runnable() { 11333 public void run() { 11334 mHandler.removeCallbacks(this); 11335 final boolean succeded; 11336 synchronized (mInstallLock) { 11337 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11338 } 11339 clearExternalStorageDataSync(packageName, userId, false); 11340 if(observer != null) { 11341 try { 11342 observer.onRemoveCompleted(packageName, succeded); 11343 } catch (RemoteException e) { 11344 Log.i(TAG, "Observer no longer exists."); 11345 } 11346 } //end if observer 11347 } //end run 11348 }); 11349 } 11350 11351 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11352 if (packageName == null) { 11353 Slog.w(TAG, "Attempt to delete null packageName."); 11354 return false; 11355 } 11356 PackageParser.Package p; 11357 synchronized (mPackages) { 11358 p = mPackages.get(packageName); 11359 } 11360 if (p == null) { 11361 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11362 return false; 11363 } 11364 final ApplicationInfo applicationInfo = p.applicationInfo; 11365 if (applicationInfo == null) { 11366 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11367 return false; 11368 } 11369 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11370 if (retCode < 0) { 11371 Slog.w(TAG, "Couldn't remove cache files for package: " 11372 + packageName + " u" + userId); 11373 return false; 11374 } 11375 return true; 11376 } 11377 11378 @Override 11379 public void getPackageSizeInfo(final String packageName, int userHandle, 11380 final IPackageStatsObserver observer) { 11381 mContext.enforceCallingOrSelfPermission( 11382 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11383 if (packageName == null) { 11384 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11385 } 11386 11387 PackageStats stats = new PackageStats(packageName, userHandle); 11388 11389 /* 11390 * Queue up an async operation since the package measurement may take a 11391 * little while. 11392 */ 11393 Message msg = mHandler.obtainMessage(INIT_COPY); 11394 msg.obj = new MeasureParams(stats, observer); 11395 mHandler.sendMessage(msg); 11396 } 11397 11398 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11399 PackageStats pStats) { 11400 if (packageName == null) { 11401 Slog.w(TAG, "Attempt to get size of null packageName."); 11402 return false; 11403 } 11404 PackageParser.Package p; 11405 boolean dataOnly = false; 11406 String libDirRoot = null; 11407 String asecPath = null; 11408 PackageSetting ps = null; 11409 synchronized (mPackages) { 11410 p = mPackages.get(packageName); 11411 ps = mSettings.mPackages.get(packageName); 11412 if(p == null) { 11413 dataOnly = true; 11414 if((ps == null) || (ps.pkg == null)) { 11415 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11416 return false; 11417 } 11418 p = ps.pkg; 11419 } 11420 if (ps != null) { 11421 libDirRoot = ps.legacyNativeLibraryPathString; 11422 } 11423 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11424 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11425 if (secureContainerId != null) { 11426 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11427 } 11428 } 11429 } 11430 String publicSrcDir = null; 11431 if(!dataOnly) { 11432 final ApplicationInfo applicationInfo = p.applicationInfo; 11433 if (applicationInfo == null) { 11434 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11435 return false; 11436 } 11437 if (isForwardLocked(p)) { 11438 publicSrcDir = applicationInfo.getBaseResourcePath(); 11439 } 11440 } 11441 // TODO: extend to measure size of split APKs 11442 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11443 // not just the first level. 11444 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11445 // just the primary. 11446 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11447 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11448 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11449 if (res < 0) { 11450 return false; 11451 } 11452 11453 // Fix-up for forward-locked applications in ASEC containers. 11454 if (!isExternal(p)) { 11455 pStats.codeSize += pStats.externalCodeSize; 11456 pStats.externalCodeSize = 0L; 11457 } 11458 11459 return true; 11460 } 11461 11462 11463 @Override 11464 public void addPackageToPreferred(String packageName) { 11465 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11466 } 11467 11468 @Override 11469 public void removePackageFromPreferred(String packageName) { 11470 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11471 } 11472 11473 @Override 11474 public List<PackageInfo> getPreferredPackages(int flags) { 11475 return new ArrayList<PackageInfo>(); 11476 } 11477 11478 private int getUidTargetSdkVersionLockedLPr(int uid) { 11479 Object obj = mSettings.getUserIdLPr(uid); 11480 if (obj instanceof SharedUserSetting) { 11481 final SharedUserSetting sus = (SharedUserSetting) obj; 11482 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11483 final Iterator<PackageSetting> it = sus.packages.iterator(); 11484 while (it.hasNext()) { 11485 final PackageSetting ps = it.next(); 11486 if (ps.pkg != null) { 11487 int v = ps.pkg.applicationInfo.targetSdkVersion; 11488 if (v < vers) vers = v; 11489 } 11490 } 11491 return vers; 11492 } else if (obj instanceof PackageSetting) { 11493 final PackageSetting ps = (PackageSetting) obj; 11494 if (ps.pkg != null) { 11495 return ps.pkg.applicationInfo.targetSdkVersion; 11496 } 11497 } 11498 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11499 } 11500 11501 @Override 11502 public void addPreferredActivity(IntentFilter filter, int match, 11503 ComponentName[] set, ComponentName activity, int userId) { 11504 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11505 "Adding preferred"); 11506 } 11507 11508 private void addPreferredActivityInternal(IntentFilter filter, int match, 11509 ComponentName[] set, ComponentName activity, boolean always, int userId, 11510 String opname) { 11511 // writer 11512 int callingUid = Binder.getCallingUid(); 11513 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11514 if (filter.countActions() == 0) { 11515 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11516 return; 11517 } 11518 synchronized (mPackages) { 11519 if (mContext.checkCallingOrSelfPermission( 11520 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11521 != PackageManager.PERMISSION_GRANTED) { 11522 if (getUidTargetSdkVersionLockedLPr(callingUid) 11523 < Build.VERSION_CODES.FROYO) { 11524 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11525 + callingUid); 11526 return; 11527 } 11528 mContext.enforceCallingOrSelfPermission( 11529 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11530 } 11531 11532 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11533 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11534 + userId + ":"); 11535 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11536 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11537 mSettings.writePackageRestrictionsLPr(userId); 11538 } 11539 } 11540 11541 @Override 11542 public void replacePreferredActivity(IntentFilter filter, int match, 11543 ComponentName[] set, ComponentName activity, int userId) { 11544 if (filter.countActions() != 1) { 11545 throw new IllegalArgumentException( 11546 "replacePreferredActivity expects filter to have only 1 action."); 11547 } 11548 if (filter.countDataAuthorities() != 0 11549 || filter.countDataPaths() != 0 11550 || filter.countDataSchemes() > 1 11551 || filter.countDataTypes() != 0) { 11552 throw new IllegalArgumentException( 11553 "replacePreferredActivity expects filter to have no data authorities, " + 11554 "paths, or types; and at most one scheme."); 11555 } 11556 11557 final int callingUid = Binder.getCallingUid(); 11558 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11559 synchronized (mPackages) { 11560 if (mContext.checkCallingOrSelfPermission( 11561 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11562 != PackageManager.PERMISSION_GRANTED) { 11563 if (getUidTargetSdkVersionLockedLPr(callingUid) 11564 < Build.VERSION_CODES.FROYO) { 11565 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11566 + Binder.getCallingUid()); 11567 return; 11568 } 11569 mContext.enforceCallingOrSelfPermission( 11570 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11571 } 11572 11573 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11574 if (pir != null) { 11575 // Get all of the existing entries that exactly match this filter. 11576 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11577 if (existing != null && existing.size() == 1) { 11578 PreferredActivity cur = existing.get(0); 11579 if (DEBUG_PREFERRED) { 11580 Slog.i(TAG, "Checking replace of preferred:"); 11581 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11582 if (!cur.mPref.mAlways) { 11583 Slog.i(TAG, " -- CUR; not mAlways!"); 11584 } else { 11585 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11586 Slog.i(TAG, " -- CUR: mSet=" 11587 + Arrays.toString(cur.mPref.mSetComponents)); 11588 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11589 Slog.i(TAG, " -- NEW: mMatch=" 11590 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11591 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11592 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11593 } 11594 } 11595 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11596 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11597 && cur.mPref.sameSet(set)) { 11598 // Setting the preferred activity to what it happens to be already 11599 if (DEBUG_PREFERRED) { 11600 Slog.i(TAG, "Replacing with same preferred activity " 11601 + cur.mPref.mShortComponent + " for user " 11602 + userId + ":"); 11603 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11604 } 11605 return; 11606 } 11607 } 11608 11609 if (existing != null) { 11610 if (DEBUG_PREFERRED) { 11611 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11612 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11613 } 11614 for (int i = 0; i < existing.size(); i++) { 11615 PreferredActivity pa = existing.get(i); 11616 if (DEBUG_PREFERRED) { 11617 Slog.i(TAG, "Removing existing preferred activity " 11618 + pa.mPref.mComponent + ":"); 11619 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11620 } 11621 pir.removeFilter(pa); 11622 } 11623 } 11624 } 11625 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11626 "Replacing preferred"); 11627 } 11628 } 11629 11630 @Override 11631 public void clearPackagePreferredActivities(String packageName) { 11632 final int uid = Binder.getCallingUid(); 11633 // writer 11634 synchronized (mPackages) { 11635 PackageParser.Package pkg = mPackages.get(packageName); 11636 if (pkg == null || pkg.applicationInfo.uid != uid) { 11637 if (mContext.checkCallingOrSelfPermission( 11638 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11639 != PackageManager.PERMISSION_GRANTED) { 11640 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11641 < Build.VERSION_CODES.FROYO) { 11642 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11643 + Binder.getCallingUid()); 11644 return; 11645 } 11646 mContext.enforceCallingOrSelfPermission( 11647 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11648 } 11649 } 11650 11651 int user = UserHandle.getCallingUserId(); 11652 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11653 mSettings.writePackageRestrictionsLPr(user); 11654 scheduleWriteSettingsLocked(); 11655 } 11656 } 11657 } 11658 11659 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11660 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11661 ArrayList<PreferredActivity> removed = null; 11662 boolean changed = false; 11663 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11664 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11665 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11666 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11667 continue; 11668 } 11669 Iterator<PreferredActivity> it = pir.filterIterator(); 11670 while (it.hasNext()) { 11671 PreferredActivity pa = it.next(); 11672 // Mark entry for removal only if it matches the package name 11673 // and the entry is of type "always". 11674 if (packageName == null || 11675 (pa.mPref.mComponent.getPackageName().equals(packageName) 11676 && pa.mPref.mAlways)) { 11677 if (removed == null) { 11678 removed = new ArrayList<PreferredActivity>(); 11679 } 11680 removed.add(pa); 11681 } 11682 } 11683 if (removed != null) { 11684 for (int j=0; j<removed.size(); j++) { 11685 PreferredActivity pa = removed.get(j); 11686 pir.removeFilter(pa); 11687 } 11688 changed = true; 11689 } 11690 } 11691 return changed; 11692 } 11693 11694 @Override 11695 public void resetPreferredActivities(int userId) { 11696 /* TODO: Actually use userId. Why is it being passed in? */ 11697 mContext.enforceCallingOrSelfPermission( 11698 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11699 // writer 11700 synchronized (mPackages) { 11701 int user = UserHandle.getCallingUserId(); 11702 clearPackagePreferredActivitiesLPw(null, user); 11703 mSettings.readDefaultPreferredAppsLPw(this, user); 11704 mSettings.writePackageRestrictionsLPr(user); 11705 scheduleWriteSettingsLocked(); 11706 } 11707 } 11708 11709 @Override 11710 public int getPreferredActivities(List<IntentFilter> outFilters, 11711 List<ComponentName> outActivities, String packageName) { 11712 11713 int num = 0; 11714 final int userId = UserHandle.getCallingUserId(); 11715 // reader 11716 synchronized (mPackages) { 11717 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11718 if (pir != null) { 11719 final Iterator<PreferredActivity> it = pir.filterIterator(); 11720 while (it.hasNext()) { 11721 final PreferredActivity pa = it.next(); 11722 if (packageName == null 11723 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11724 && pa.mPref.mAlways)) { 11725 if (outFilters != null) { 11726 outFilters.add(new IntentFilter(pa)); 11727 } 11728 if (outActivities != null) { 11729 outActivities.add(pa.mPref.mComponent); 11730 } 11731 } 11732 } 11733 } 11734 } 11735 11736 return num; 11737 } 11738 11739 @Override 11740 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11741 int userId) { 11742 int callingUid = Binder.getCallingUid(); 11743 if (callingUid != Process.SYSTEM_UID) { 11744 throw new SecurityException( 11745 "addPersistentPreferredActivity can only be run by the system"); 11746 } 11747 if (filter.countActions() == 0) { 11748 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11749 return; 11750 } 11751 synchronized (mPackages) { 11752 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11753 " :"); 11754 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11755 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11756 new PersistentPreferredActivity(filter, activity)); 11757 mSettings.writePackageRestrictionsLPr(userId); 11758 } 11759 } 11760 11761 @Override 11762 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11763 int callingUid = Binder.getCallingUid(); 11764 if (callingUid != Process.SYSTEM_UID) { 11765 throw new SecurityException( 11766 "clearPackagePersistentPreferredActivities can only be run by the system"); 11767 } 11768 ArrayList<PersistentPreferredActivity> removed = null; 11769 boolean changed = false; 11770 synchronized (mPackages) { 11771 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11772 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11773 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11774 .valueAt(i); 11775 if (userId != thisUserId) { 11776 continue; 11777 } 11778 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11779 while (it.hasNext()) { 11780 PersistentPreferredActivity ppa = it.next(); 11781 // Mark entry for removal only if it matches the package name. 11782 if (ppa.mComponent.getPackageName().equals(packageName)) { 11783 if (removed == null) { 11784 removed = new ArrayList<PersistentPreferredActivity>(); 11785 } 11786 removed.add(ppa); 11787 } 11788 } 11789 if (removed != null) { 11790 for (int j=0; j<removed.size(); j++) { 11791 PersistentPreferredActivity ppa = removed.get(j); 11792 ppir.removeFilter(ppa); 11793 } 11794 changed = true; 11795 } 11796 } 11797 11798 if (changed) { 11799 mSettings.writePackageRestrictionsLPr(userId); 11800 } 11801 } 11802 } 11803 11804 @Override 11805 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11806 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11807 mContext.enforceCallingOrSelfPermission( 11808 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11809 int callingUid = Binder.getCallingUid(); 11810 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11811 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11812 if (intentFilter.countActions() == 0) { 11813 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11814 return; 11815 } 11816 synchronized (mPackages) { 11817 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11818 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11819 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11820 mSettings.writePackageRestrictionsLPr(sourceUserId); 11821 } 11822 } 11823 11824 @Override 11825 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11826 int ownerUserId) { 11827 mContext.enforceCallingOrSelfPermission( 11828 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11829 int callingUid = Binder.getCallingUid(); 11830 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11831 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11832 int callingUserId = UserHandle.getUserId(callingUid); 11833 synchronized (mPackages) { 11834 CrossProfileIntentResolver resolver = 11835 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11836 ArraySet<CrossProfileIntentFilter> set = 11837 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 11838 for (CrossProfileIntentFilter filter : set) { 11839 if (filter.getOwnerPackage().equals(ownerPackage) 11840 && filter.getOwnerUserId() == callingUserId) { 11841 resolver.removeFilter(filter); 11842 } 11843 } 11844 mSettings.writePackageRestrictionsLPr(sourceUserId); 11845 } 11846 } 11847 11848 // Enforcing that callingUid is owning pkg on userId 11849 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11850 // The system owns everything. 11851 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11852 return; 11853 } 11854 int callingUserId = UserHandle.getUserId(callingUid); 11855 if (callingUserId != userId) { 11856 throw new SecurityException("calling uid " + callingUid 11857 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11858 + callingUserId); 11859 } 11860 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11861 if (pi == null) { 11862 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11863 + callingUserId); 11864 } 11865 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11866 throw new SecurityException("Calling uid " + callingUid 11867 + " does not own package " + pkg); 11868 } 11869 } 11870 11871 @Override 11872 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11873 Intent intent = new Intent(Intent.ACTION_MAIN); 11874 intent.addCategory(Intent.CATEGORY_HOME); 11875 11876 final int callingUserId = UserHandle.getCallingUserId(); 11877 List<ResolveInfo> list = queryIntentActivities(intent, null, 11878 PackageManager.GET_META_DATA, callingUserId); 11879 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11880 true, false, false, callingUserId); 11881 11882 allHomeCandidates.clear(); 11883 if (list != null) { 11884 for (ResolveInfo ri : list) { 11885 allHomeCandidates.add(ri); 11886 } 11887 } 11888 return (preferred == null || preferred.activityInfo == null) 11889 ? null 11890 : new ComponentName(preferred.activityInfo.packageName, 11891 preferred.activityInfo.name); 11892 } 11893 11894 @Override 11895 public void setApplicationEnabledSetting(String appPackageName, 11896 int newState, int flags, int userId, String callingPackage) { 11897 if (!sUserManager.exists(userId)) return; 11898 if (callingPackage == null) { 11899 callingPackage = Integer.toString(Binder.getCallingUid()); 11900 } 11901 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11902 } 11903 11904 @Override 11905 public void setComponentEnabledSetting(ComponentName componentName, 11906 int newState, int flags, int userId) { 11907 if (!sUserManager.exists(userId)) return; 11908 setEnabledSetting(componentName.getPackageName(), 11909 componentName.getClassName(), newState, flags, userId, null); 11910 } 11911 11912 private void setEnabledSetting(final String packageName, String className, int newState, 11913 final int flags, int userId, String callingPackage) { 11914 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11915 || newState == COMPONENT_ENABLED_STATE_ENABLED 11916 || newState == COMPONENT_ENABLED_STATE_DISABLED 11917 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11918 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11919 throw new IllegalArgumentException("Invalid new component state: " 11920 + newState); 11921 } 11922 PackageSetting pkgSetting; 11923 final int uid = Binder.getCallingUid(); 11924 final int permission = mContext.checkCallingOrSelfPermission( 11925 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11926 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11927 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11928 boolean sendNow = false; 11929 boolean isApp = (className == null); 11930 String componentName = isApp ? packageName : className; 11931 int packageUid = -1; 11932 ArrayList<String> components; 11933 11934 // writer 11935 synchronized (mPackages) { 11936 pkgSetting = mSettings.mPackages.get(packageName); 11937 if (pkgSetting == null) { 11938 if (className == null) { 11939 throw new IllegalArgumentException( 11940 "Unknown package: " + packageName); 11941 } 11942 throw new IllegalArgumentException( 11943 "Unknown component: " + packageName 11944 + "/" + className); 11945 } 11946 // Allow root and verify that userId is not being specified by a different user 11947 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11948 throw new SecurityException( 11949 "Permission Denial: attempt to change component state from pid=" 11950 + Binder.getCallingPid() 11951 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11952 } 11953 if (className == null) { 11954 // We're dealing with an application/package level state change 11955 if (pkgSetting.getEnabled(userId) == newState) { 11956 // Nothing to do 11957 return; 11958 } 11959 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11960 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11961 // Don't care about who enables an app. 11962 callingPackage = null; 11963 } 11964 pkgSetting.setEnabled(newState, userId, callingPackage); 11965 // pkgSetting.pkg.mSetEnabled = newState; 11966 } else { 11967 // We're dealing with a component level state change 11968 // First, verify that this is a valid class name. 11969 PackageParser.Package pkg = pkgSetting.pkg; 11970 if (pkg == null || !pkg.hasComponentClassName(className)) { 11971 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11972 throw new IllegalArgumentException("Component class " + className 11973 + " does not exist in " + packageName); 11974 } else { 11975 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11976 + className + " does not exist in " + packageName); 11977 } 11978 } 11979 switch (newState) { 11980 case COMPONENT_ENABLED_STATE_ENABLED: 11981 if (!pkgSetting.enableComponentLPw(className, userId)) { 11982 return; 11983 } 11984 break; 11985 case COMPONENT_ENABLED_STATE_DISABLED: 11986 if (!pkgSetting.disableComponentLPw(className, userId)) { 11987 return; 11988 } 11989 break; 11990 case COMPONENT_ENABLED_STATE_DEFAULT: 11991 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11992 return; 11993 } 11994 break; 11995 default: 11996 Slog.e(TAG, "Invalid new component state: " + newState); 11997 return; 11998 } 11999 } 12000 mSettings.writePackageRestrictionsLPr(userId); 12001 components = mPendingBroadcasts.get(userId, packageName); 12002 final boolean newPackage = components == null; 12003 if (newPackage) { 12004 components = new ArrayList<String>(); 12005 } 12006 if (!components.contains(componentName)) { 12007 components.add(componentName); 12008 } 12009 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12010 sendNow = true; 12011 // Purge entry from pending broadcast list if another one exists already 12012 // since we are sending one right away. 12013 mPendingBroadcasts.remove(userId, packageName); 12014 } else { 12015 if (newPackage) { 12016 mPendingBroadcasts.put(userId, packageName, components); 12017 } 12018 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12019 // Schedule a message 12020 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12021 } 12022 } 12023 } 12024 12025 long callingId = Binder.clearCallingIdentity(); 12026 try { 12027 if (sendNow) { 12028 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12029 sendPackageChangedBroadcast(packageName, 12030 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12031 } 12032 } finally { 12033 Binder.restoreCallingIdentity(callingId); 12034 } 12035 } 12036 12037 private void sendPackageChangedBroadcast(String packageName, 12038 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12039 if (DEBUG_INSTALL) 12040 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12041 + componentNames); 12042 Bundle extras = new Bundle(4); 12043 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12044 String nameList[] = new String[componentNames.size()]; 12045 componentNames.toArray(nameList); 12046 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12047 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12048 extras.putInt(Intent.EXTRA_UID, packageUid); 12049 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12050 new int[] {UserHandle.getUserId(packageUid)}); 12051 } 12052 12053 @Override 12054 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12055 if (!sUserManager.exists(userId)) return; 12056 final int uid = Binder.getCallingUid(); 12057 final int permission = mContext.checkCallingOrSelfPermission( 12058 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12059 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12060 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12061 // writer 12062 synchronized (mPackages) { 12063 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12064 uid, userId)) { 12065 scheduleWritePackageRestrictionsLocked(userId); 12066 } 12067 } 12068 } 12069 12070 @Override 12071 public String getInstallerPackageName(String packageName) { 12072 // reader 12073 synchronized (mPackages) { 12074 return mSettings.getInstallerPackageNameLPr(packageName); 12075 } 12076 } 12077 12078 @Override 12079 public int getApplicationEnabledSetting(String packageName, int userId) { 12080 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12081 int uid = Binder.getCallingUid(); 12082 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12083 // reader 12084 synchronized (mPackages) { 12085 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12086 } 12087 } 12088 12089 @Override 12090 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12091 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12092 int uid = Binder.getCallingUid(); 12093 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12094 // reader 12095 synchronized (mPackages) { 12096 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12097 } 12098 } 12099 12100 @Override 12101 public void enterSafeMode() { 12102 enforceSystemOrRoot("Only the system can request entering safe mode"); 12103 12104 if (!mSystemReady) { 12105 mSafeMode = true; 12106 } 12107 } 12108 12109 @Override 12110 public void systemReady() { 12111 mSystemReady = true; 12112 12113 // Read the compatibilty setting when the system is ready. 12114 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12115 mContext.getContentResolver(), 12116 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12117 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12118 if (DEBUG_SETTINGS) { 12119 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12120 } 12121 12122 synchronized (mPackages) { 12123 // Verify that all of the preferred activity components actually 12124 // exist. It is possible for applications to be updated and at 12125 // that point remove a previously declared activity component that 12126 // had been set as a preferred activity. We try to clean this up 12127 // the next time we encounter that preferred activity, but it is 12128 // possible for the user flow to never be able to return to that 12129 // situation so here we do a sanity check to make sure we haven't 12130 // left any junk around. 12131 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12132 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12133 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12134 removed.clear(); 12135 for (PreferredActivity pa : pir.filterSet()) { 12136 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12137 removed.add(pa); 12138 } 12139 } 12140 if (removed.size() > 0) { 12141 for (int r=0; r<removed.size(); r++) { 12142 PreferredActivity pa = removed.get(r); 12143 Slog.w(TAG, "Removing dangling preferred activity: " 12144 + pa.mPref.mComponent); 12145 pir.removeFilter(pa); 12146 } 12147 mSettings.writePackageRestrictionsLPr( 12148 mSettings.mPreferredActivities.keyAt(i)); 12149 } 12150 } 12151 } 12152 sUserManager.systemReady(); 12153 12154 // Kick off any messages waiting for system ready 12155 if (mPostSystemReadyMessages != null) { 12156 for (Message msg : mPostSystemReadyMessages) { 12157 msg.sendToTarget(); 12158 } 12159 mPostSystemReadyMessages = null; 12160 } 12161 } 12162 12163 @Override 12164 public boolean isSafeMode() { 12165 return mSafeMode; 12166 } 12167 12168 @Override 12169 public boolean hasSystemUidErrors() { 12170 return mHasSystemUidErrors; 12171 } 12172 12173 static String arrayToString(int[] array) { 12174 StringBuffer buf = new StringBuffer(128); 12175 buf.append('['); 12176 if (array != null) { 12177 for (int i=0; i<array.length; i++) { 12178 if (i > 0) buf.append(", "); 12179 buf.append(array[i]); 12180 } 12181 } 12182 buf.append(']'); 12183 return buf.toString(); 12184 } 12185 12186 static class DumpState { 12187 public static final int DUMP_LIBS = 1 << 0; 12188 public static final int DUMP_FEATURES = 1 << 1; 12189 public static final int DUMP_RESOLVERS = 1 << 2; 12190 public static final int DUMP_PERMISSIONS = 1 << 3; 12191 public static final int DUMP_PACKAGES = 1 << 4; 12192 public static final int DUMP_SHARED_USERS = 1 << 5; 12193 public static final int DUMP_MESSAGES = 1 << 6; 12194 public static final int DUMP_PROVIDERS = 1 << 7; 12195 public static final int DUMP_VERIFIERS = 1 << 8; 12196 public static final int DUMP_PREFERRED = 1 << 9; 12197 public static final int DUMP_PREFERRED_XML = 1 << 10; 12198 public static final int DUMP_KEYSETS = 1 << 11; 12199 public static final int DUMP_VERSION = 1 << 12; 12200 public static final int DUMP_INSTALLS = 1 << 13; 12201 12202 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12203 12204 private int mTypes; 12205 12206 private int mOptions; 12207 12208 private boolean mTitlePrinted; 12209 12210 private SharedUserSetting mSharedUser; 12211 12212 public boolean isDumping(int type) { 12213 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12214 return true; 12215 } 12216 12217 return (mTypes & type) != 0; 12218 } 12219 12220 public void setDump(int type) { 12221 mTypes |= type; 12222 } 12223 12224 public boolean isOptionEnabled(int option) { 12225 return (mOptions & option) != 0; 12226 } 12227 12228 public void setOptionEnabled(int option) { 12229 mOptions |= option; 12230 } 12231 12232 public boolean onTitlePrinted() { 12233 final boolean printed = mTitlePrinted; 12234 mTitlePrinted = true; 12235 return printed; 12236 } 12237 12238 public boolean getTitlePrinted() { 12239 return mTitlePrinted; 12240 } 12241 12242 public void setTitlePrinted(boolean enabled) { 12243 mTitlePrinted = enabled; 12244 } 12245 12246 public SharedUserSetting getSharedUser() { 12247 return mSharedUser; 12248 } 12249 12250 public void setSharedUser(SharedUserSetting user) { 12251 mSharedUser = user; 12252 } 12253 } 12254 12255 @Override 12256 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12257 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12258 != PackageManager.PERMISSION_GRANTED) { 12259 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12260 + Binder.getCallingPid() 12261 + ", uid=" + Binder.getCallingUid() 12262 + " without permission " 12263 + android.Manifest.permission.DUMP); 12264 return; 12265 } 12266 12267 DumpState dumpState = new DumpState(); 12268 boolean fullPreferred = false; 12269 boolean checkin = false; 12270 12271 String packageName = null; 12272 12273 int opti = 0; 12274 while (opti < args.length) { 12275 String opt = args[opti]; 12276 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12277 break; 12278 } 12279 opti++; 12280 12281 if ("-a".equals(opt)) { 12282 // Right now we only know how to print all. 12283 } else if ("-h".equals(opt)) { 12284 pw.println("Package manager dump options:"); 12285 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12286 pw.println(" --checkin: dump for a checkin"); 12287 pw.println(" -f: print details of intent filters"); 12288 pw.println(" -h: print this help"); 12289 pw.println(" cmd may be one of:"); 12290 pw.println(" l[ibraries]: list known shared libraries"); 12291 pw.println(" f[ibraries]: list device features"); 12292 pw.println(" k[eysets]: print known keysets"); 12293 pw.println(" r[esolvers]: dump intent resolvers"); 12294 pw.println(" perm[issions]: dump permissions"); 12295 pw.println(" pref[erred]: print preferred package settings"); 12296 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12297 pw.println(" prov[iders]: dump content providers"); 12298 pw.println(" p[ackages]: dump installed packages"); 12299 pw.println(" s[hared-users]: dump shared user IDs"); 12300 pw.println(" m[essages]: print collected runtime messages"); 12301 pw.println(" v[erifiers]: print package verifier info"); 12302 pw.println(" version: print database version info"); 12303 pw.println(" write: write current settings now"); 12304 pw.println(" <package.name>: info about given package"); 12305 pw.println(" installs: details about install sessions"); 12306 return; 12307 } else if ("--checkin".equals(opt)) { 12308 checkin = true; 12309 } else if ("-f".equals(opt)) { 12310 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12311 } else { 12312 pw.println("Unknown argument: " + opt + "; use -h for help"); 12313 } 12314 } 12315 12316 // Is the caller requesting to dump a particular piece of data? 12317 if (opti < args.length) { 12318 String cmd = args[opti]; 12319 opti++; 12320 // Is this a package name? 12321 if ("android".equals(cmd) || cmd.contains(".")) { 12322 packageName = cmd; 12323 // When dumping a single package, we always dump all of its 12324 // filter information since the amount of data will be reasonable. 12325 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12326 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12327 dumpState.setDump(DumpState.DUMP_LIBS); 12328 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12329 dumpState.setDump(DumpState.DUMP_FEATURES); 12330 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12331 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12332 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12333 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12334 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12335 dumpState.setDump(DumpState.DUMP_PREFERRED); 12336 } else if ("preferred-xml".equals(cmd)) { 12337 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12338 if (opti < args.length && "--full".equals(args[opti])) { 12339 fullPreferred = true; 12340 opti++; 12341 } 12342 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12343 dumpState.setDump(DumpState.DUMP_PACKAGES); 12344 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12345 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12346 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12347 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12348 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12349 dumpState.setDump(DumpState.DUMP_MESSAGES); 12350 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12351 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12352 } else if ("version".equals(cmd)) { 12353 dumpState.setDump(DumpState.DUMP_VERSION); 12354 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12355 dumpState.setDump(DumpState.DUMP_KEYSETS); 12356 } else if ("installs".equals(cmd)) { 12357 dumpState.setDump(DumpState.DUMP_INSTALLS); 12358 } else if ("write".equals(cmd)) { 12359 synchronized (mPackages) { 12360 mSettings.writeLPr(); 12361 pw.println("Settings written."); 12362 return; 12363 } 12364 } 12365 } 12366 12367 if (checkin) { 12368 pw.println("vers,1"); 12369 } 12370 12371 // reader 12372 synchronized (mPackages) { 12373 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12374 if (!checkin) { 12375 if (dumpState.onTitlePrinted()) 12376 pw.println(); 12377 pw.println("Database versions:"); 12378 pw.print(" SDK Version:"); 12379 pw.print(" internal="); 12380 pw.print(mSettings.mInternalSdkPlatform); 12381 pw.print(" external="); 12382 pw.println(mSettings.mExternalSdkPlatform); 12383 pw.print(" DB Version:"); 12384 pw.print(" internal="); 12385 pw.print(mSettings.mInternalDatabaseVersion); 12386 pw.print(" external="); 12387 pw.println(mSettings.mExternalDatabaseVersion); 12388 } 12389 } 12390 12391 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12392 if (!checkin) { 12393 if (dumpState.onTitlePrinted()) 12394 pw.println(); 12395 pw.println("Verifiers:"); 12396 pw.print(" Required: "); 12397 pw.print(mRequiredVerifierPackage); 12398 pw.print(" (uid="); 12399 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12400 pw.println(")"); 12401 } else if (mRequiredVerifierPackage != null) { 12402 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12403 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12404 } 12405 } 12406 12407 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12408 boolean printedHeader = false; 12409 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12410 while (it.hasNext()) { 12411 String name = it.next(); 12412 SharedLibraryEntry ent = mSharedLibraries.get(name); 12413 if (!checkin) { 12414 if (!printedHeader) { 12415 if (dumpState.onTitlePrinted()) 12416 pw.println(); 12417 pw.println("Libraries:"); 12418 printedHeader = true; 12419 } 12420 pw.print(" "); 12421 } else { 12422 pw.print("lib,"); 12423 } 12424 pw.print(name); 12425 if (!checkin) { 12426 pw.print(" -> "); 12427 } 12428 if (ent.path != null) { 12429 if (!checkin) { 12430 pw.print("(jar) "); 12431 pw.print(ent.path); 12432 } else { 12433 pw.print(",jar,"); 12434 pw.print(ent.path); 12435 } 12436 } else { 12437 if (!checkin) { 12438 pw.print("(apk) "); 12439 pw.print(ent.apk); 12440 } else { 12441 pw.print(",apk,"); 12442 pw.print(ent.apk); 12443 } 12444 } 12445 pw.println(); 12446 } 12447 } 12448 12449 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12450 if (dumpState.onTitlePrinted()) 12451 pw.println(); 12452 if (!checkin) { 12453 pw.println("Features:"); 12454 } 12455 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12456 while (it.hasNext()) { 12457 String name = it.next(); 12458 if (!checkin) { 12459 pw.print(" "); 12460 } else { 12461 pw.print("feat,"); 12462 } 12463 pw.println(name); 12464 } 12465 } 12466 12467 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12468 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12469 : "Activity Resolver Table:", " ", packageName, 12470 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12471 dumpState.setTitlePrinted(true); 12472 } 12473 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12474 : "Receiver Resolver Table:", " ", packageName, 12475 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12476 dumpState.setTitlePrinted(true); 12477 } 12478 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12479 : "Service Resolver Table:", " ", packageName, 12480 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12481 dumpState.setTitlePrinted(true); 12482 } 12483 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12484 : "Provider Resolver Table:", " ", packageName, 12485 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12486 dumpState.setTitlePrinted(true); 12487 } 12488 } 12489 12490 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12491 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12492 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12493 int user = mSettings.mPreferredActivities.keyAt(i); 12494 if (pir.dump(pw, 12495 dumpState.getTitlePrinted() 12496 ? "\nPreferred Activities User " + user + ":" 12497 : "Preferred Activities User " + user + ":", " ", 12498 packageName, true)) { 12499 dumpState.setTitlePrinted(true); 12500 } 12501 } 12502 } 12503 12504 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12505 pw.flush(); 12506 FileOutputStream fout = new FileOutputStream(fd); 12507 BufferedOutputStream str = new BufferedOutputStream(fout); 12508 XmlSerializer serializer = new FastXmlSerializer(); 12509 try { 12510 serializer.setOutput(str, "utf-8"); 12511 serializer.startDocument(null, true); 12512 serializer.setFeature( 12513 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12514 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12515 serializer.endDocument(); 12516 serializer.flush(); 12517 } catch (IllegalArgumentException e) { 12518 pw.println("Failed writing: " + e); 12519 } catch (IllegalStateException e) { 12520 pw.println("Failed writing: " + e); 12521 } catch (IOException e) { 12522 pw.println("Failed writing: " + e); 12523 } 12524 } 12525 12526 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12527 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12528 if (packageName == null) { 12529 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12530 if (iperm == 0) { 12531 if (dumpState.onTitlePrinted()) 12532 pw.println(); 12533 pw.println("AppOp Permissions:"); 12534 } 12535 pw.print(" AppOp Permission "); 12536 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12537 pw.println(":"); 12538 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12539 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12540 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12541 } 12542 } 12543 } 12544 } 12545 12546 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12547 boolean printedSomething = false; 12548 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12549 if (packageName != null && !packageName.equals(p.info.packageName)) { 12550 continue; 12551 } 12552 if (!printedSomething) { 12553 if (dumpState.onTitlePrinted()) 12554 pw.println(); 12555 pw.println("Registered ContentProviders:"); 12556 printedSomething = true; 12557 } 12558 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12559 pw.print(" "); pw.println(p.toString()); 12560 } 12561 printedSomething = false; 12562 for (Map.Entry<String, PackageParser.Provider> entry : 12563 mProvidersByAuthority.entrySet()) { 12564 PackageParser.Provider p = entry.getValue(); 12565 if (packageName != null && !packageName.equals(p.info.packageName)) { 12566 continue; 12567 } 12568 if (!printedSomething) { 12569 if (dumpState.onTitlePrinted()) 12570 pw.println(); 12571 pw.println("ContentProvider Authorities:"); 12572 printedSomething = true; 12573 } 12574 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12575 pw.print(" "); pw.println(p.toString()); 12576 if (p.info != null && p.info.applicationInfo != null) { 12577 final String appInfo = p.info.applicationInfo.toString(); 12578 pw.print(" applicationInfo="); pw.println(appInfo); 12579 } 12580 } 12581 } 12582 12583 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12584 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12585 } 12586 12587 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12588 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12589 } 12590 12591 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12592 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12593 } 12594 12595 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12596 // XXX should handle packageName != null by dumping only install data that 12597 // the given package is involved with. 12598 if (dumpState.onTitlePrinted()) pw.println(); 12599 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12600 } 12601 12602 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12603 if (dumpState.onTitlePrinted()) pw.println(); 12604 mSettings.dumpReadMessagesLPr(pw, dumpState); 12605 12606 pw.println(); 12607 pw.println("Package warning messages:"); 12608 final File fname = getSettingsProblemFile(); 12609 FileInputStream in = null; 12610 try { 12611 in = new FileInputStream(fname); 12612 final int avail = in.available(); 12613 final byte[] data = new byte[avail]; 12614 in.read(data); 12615 pw.print(new String(data)); 12616 } catch (FileNotFoundException e) { 12617 } catch (IOException e) { 12618 } finally { 12619 if (in != null) { 12620 try { 12621 in.close(); 12622 } catch (IOException e) { 12623 } 12624 } 12625 } 12626 } 12627 12628 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12629 BufferedReader in = null; 12630 String line = null; 12631 try { 12632 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12633 while ((line = in.readLine()) != null) { 12634 pw.print("msg,"); 12635 pw.println(line); 12636 } 12637 } catch (IOException ignored) { 12638 } finally { 12639 IoUtils.closeQuietly(in); 12640 } 12641 } 12642 } 12643 } 12644 12645 // ------- apps on sdcard specific code ------- 12646 static final boolean DEBUG_SD_INSTALL = false; 12647 12648 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12649 12650 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12651 12652 private boolean mMediaMounted = false; 12653 12654 static String getEncryptKey() { 12655 try { 12656 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12657 SD_ENCRYPTION_KEYSTORE_NAME); 12658 if (sdEncKey == null) { 12659 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12660 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12661 if (sdEncKey == null) { 12662 Slog.e(TAG, "Failed to create encryption keys"); 12663 return null; 12664 } 12665 } 12666 return sdEncKey; 12667 } catch (NoSuchAlgorithmException nsae) { 12668 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12669 return null; 12670 } catch (IOException ioe) { 12671 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12672 return null; 12673 } 12674 } 12675 12676 /* 12677 * Update media status on PackageManager. 12678 */ 12679 @Override 12680 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12681 int callingUid = Binder.getCallingUid(); 12682 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12683 throw new SecurityException("Media status can only be updated by the system"); 12684 } 12685 // reader; this apparently protects mMediaMounted, but should probably 12686 // be a different lock in that case. 12687 synchronized (mPackages) { 12688 Log.i(TAG, "Updating external media status from " 12689 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12690 + (mediaStatus ? "mounted" : "unmounted")); 12691 if (DEBUG_SD_INSTALL) 12692 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12693 + ", mMediaMounted=" + mMediaMounted); 12694 if (mediaStatus == mMediaMounted) { 12695 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12696 : 0, -1); 12697 mHandler.sendMessage(msg); 12698 return; 12699 } 12700 mMediaMounted = mediaStatus; 12701 } 12702 // Queue up an async operation since the package installation may take a 12703 // little while. 12704 mHandler.post(new Runnable() { 12705 public void run() { 12706 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12707 } 12708 }); 12709 } 12710 12711 /** 12712 * Called by MountService when the initial ASECs to scan are available. 12713 * Should block until all the ASEC containers are finished being scanned. 12714 */ 12715 public void scanAvailableAsecs() { 12716 updateExternalMediaStatusInner(true, false, false); 12717 if (mShouldRestoreconData) { 12718 SELinuxMMAC.setRestoreconDone(); 12719 mShouldRestoreconData = false; 12720 } 12721 } 12722 12723 /* 12724 * Collect information of applications on external media, map them against 12725 * existing containers and update information based on current mount status. 12726 * Please note that we always have to report status if reportStatus has been 12727 * set to true especially when unloading packages. 12728 */ 12729 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12730 boolean externalStorage) { 12731 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12732 int[] uidArr = EmptyArray.INT; 12733 12734 final String[] list = PackageHelper.getSecureContainerList(); 12735 if (ArrayUtils.isEmpty(list)) { 12736 Log.i(TAG, "No secure containers found"); 12737 } else { 12738 // Process list of secure containers and categorize them 12739 // as active or stale based on their package internal state. 12740 12741 // reader 12742 synchronized (mPackages) { 12743 for (String cid : list) { 12744 // Leave stages untouched for now; installer service owns them 12745 if (PackageInstallerService.isStageName(cid)) continue; 12746 12747 if (DEBUG_SD_INSTALL) 12748 Log.i(TAG, "Processing container " + cid); 12749 String pkgName = getAsecPackageName(cid); 12750 if (pkgName == null) { 12751 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12752 continue; 12753 } 12754 if (DEBUG_SD_INSTALL) 12755 Log.i(TAG, "Looking for pkg : " + pkgName); 12756 12757 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12758 if (ps == null) { 12759 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12760 continue; 12761 } 12762 12763 /* 12764 * Skip packages that are not external if we're unmounting 12765 * external storage. 12766 */ 12767 if (externalStorage && !isMounted && !isExternal(ps)) { 12768 continue; 12769 } 12770 12771 final AsecInstallArgs args = new AsecInstallArgs(cid, 12772 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12773 // The package status is changed only if the code path 12774 // matches between settings and the container id. 12775 if (ps.codePathString != null 12776 && ps.codePathString.startsWith(args.getCodePath())) { 12777 if (DEBUG_SD_INSTALL) { 12778 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12779 + " at code path: " + ps.codePathString); 12780 } 12781 12782 // We do have a valid package installed on sdcard 12783 processCids.put(args, ps.codePathString); 12784 final int uid = ps.appId; 12785 if (uid != -1) { 12786 uidArr = ArrayUtils.appendInt(uidArr, uid); 12787 } 12788 } else { 12789 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12790 + ps.codePathString); 12791 } 12792 } 12793 } 12794 12795 Arrays.sort(uidArr); 12796 } 12797 12798 // Process packages with valid entries. 12799 if (isMounted) { 12800 if (DEBUG_SD_INSTALL) 12801 Log.i(TAG, "Loading packages"); 12802 loadMediaPackages(processCids, uidArr); 12803 startCleaningPackages(); 12804 mInstallerService.onSecureContainersAvailable(); 12805 } else { 12806 if (DEBUG_SD_INSTALL) 12807 Log.i(TAG, "Unloading packages"); 12808 unloadMediaPackages(processCids, uidArr, reportStatus); 12809 } 12810 } 12811 12812 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12813 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12814 int size = pkgList.size(); 12815 if (size > 0) { 12816 // Send broadcasts here 12817 Bundle extras = new Bundle(); 12818 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12819 .toArray(new String[size])); 12820 if (uidArr != null) { 12821 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12822 } 12823 if (replacing) { 12824 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12825 } 12826 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12827 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12828 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12829 } 12830 } 12831 12832 /* 12833 * Look at potentially valid container ids from processCids If package 12834 * information doesn't match the one on record or package scanning fails, 12835 * the cid is added to list of removeCids. We currently don't delete stale 12836 * containers. 12837 */ 12838 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12839 ArrayList<String> pkgList = new ArrayList<String>(); 12840 Set<AsecInstallArgs> keys = processCids.keySet(); 12841 12842 for (AsecInstallArgs args : keys) { 12843 String codePath = processCids.get(args); 12844 if (DEBUG_SD_INSTALL) 12845 Log.i(TAG, "Loading container : " + args.cid); 12846 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12847 try { 12848 // Make sure there are no container errors first. 12849 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12850 Slog.e(TAG, "Failed to mount cid : " + args.cid 12851 + " when installing from sdcard"); 12852 continue; 12853 } 12854 // Check code path here. 12855 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12856 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12857 + " does not match one in settings " + codePath); 12858 continue; 12859 } 12860 // Parse package 12861 int parseFlags = mDefParseFlags; 12862 if (args.isExternal()) { 12863 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12864 } 12865 if (args.isFwdLocked()) { 12866 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12867 } 12868 12869 synchronized (mInstallLock) { 12870 PackageParser.Package pkg = null; 12871 try { 12872 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12873 } catch (PackageManagerException e) { 12874 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12875 } 12876 // Scan the package 12877 if (pkg != null) { 12878 /* 12879 * TODO why is the lock being held? doPostInstall is 12880 * called in other places without the lock. This needs 12881 * to be straightened out. 12882 */ 12883 // writer 12884 synchronized (mPackages) { 12885 retCode = PackageManager.INSTALL_SUCCEEDED; 12886 pkgList.add(pkg.packageName); 12887 // Post process args 12888 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12889 pkg.applicationInfo.uid); 12890 } 12891 } else { 12892 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12893 } 12894 } 12895 12896 } finally { 12897 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12898 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12899 } 12900 } 12901 } 12902 // writer 12903 synchronized (mPackages) { 12904 // If the platform SDK has changed since the last time we booted, 12905 // we need to re-grant app permission to catch any new ones that 12906 // appear. This is really a hack, and means that apps can in some 12907 // cases get permissions that the user didn't initially explicitly 12908 // allow... it would be nice to have some better way to handle 12909 // this situation. 12910 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12911 if (regrantPermissions) 12912 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12913 + mSdkVersion + "; regranting permissions for external storage"); 12914 mSettings.mExternalSdkPlatform = mSdkVersion; 12915 12916 // Make sure group IDs have been assigned, and any permission 12917 // changes in other apps are accounted for 12918 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12919 | (regrantPermissions 12920 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12921 : 0)); 12922 12923 mSettings.updateExternalDatabaseVersion(); 12924 12925 // can downgrade to reader 12926 // Persist settings 12927 mSettings.writeLPr(); 12928 } 12929 // Send a broadcast to let everyone know we are done processing 12930 if (pkgList.size() > 0) { 12931 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12932 } 12933 } 12934 12935 /* 12936 * Utility method to unload a list of specified containers 12937 */ 12938 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12939 // Just unmount all valid containers. 12940 for (AsecInstallArgs arg : cidArgs) { 12941 synchronized (mInstallLock) { 12942 arg.doPostDeleteLI(false); 12943 } 12944 } 12945 } 12946 12947 /* 12948 * Unload packages mounted on external media. This involves deleting package 12949 * data from internal structures, sending broadcasts about diabled packages, 12950 * gc'ing to free up references, unmounting all secure containers 12951 * corresponding to packages on external media, and posting a 12952 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12953 * that we always have to post this message if status has been requested no 12954 * matter what. 12955 */ 12956 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12957 final boolean reportStatus) { 12958 if (DEBUG_SD_INSTALL) 12959 Log.i(TAG, "unloading media packages"); 12960 ArrayList<String> pkgList = new ArrayList<String>(); 12961 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12962 final Set<AsecInstallArgs> keys = processCids.keySet(); 12963 for (AsecInstallArgs args : keys) { 12964 String pkgName = args.getPackageName(); 12965 if (DEBUG_SD_INSTALL) 12966 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12967 // Delete package internally 12968 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12969 synchronized (mInstallLock) { 12970 boolean res = deletePackageLI(pkgName, null, false, null, null, 12971 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12972 if (res) { 12973 pkgList.add(pkgName); 12974 } else { 12975 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12976 failedList.add(args); 12977 } 12978 } 12979 } 12980 12981 // reader 12982 synchronized (mPackages) { 12983 // We didn't update the settings after removing each package; 12984 // write them now for all packages. 12985 mSettings.writeLPr(); 12986 } 12987 12988 // We have to absolutely send UPDATED_MEDIA_STATUS only 12989 // after confirming that all the receivers processed the ordered 12990 // broadcast when packages get disabled, force a gc to clean things up. 12991 // and unload all the containers. 12992 if (pkgList.size() > 0) { 12993 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12994 new IIntentReceiver.Stub() { 12995 public void performReceive(Intent intent, int resultCode, String data, 12996 Bundle extras, boolean ordered, boolean sticky, 12997 int sendingUser) throws RemoteException { 12998 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12999 reportStatus ? 1 : 0, 1, keys); 13000 mHandler.sendMessage(msg); 13001 } 13002 }); 13003 } else { 13004 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13005 keys); 13006 mHandler.sendMessage(msg); 13007 } 13008 } 13009 13010 /** Binder call */ 13011 @Override 13012 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13013 final int flags) { 13014 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13015 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13016 int returnCode = PackageManager.MOVE_SUCCEEDED; 13017 int currInstallFlags = 0; 13018 int newInstallFlags = 0; 13019 13020 File codeFile = null; 13021 String installerPackageName = null; 13022 String packageAbiOverride = null; 13023 13024 // reader 13025 synchronized (mPackages) { 13026 final PackageParser.Package pkg = mPackages.get(packageName); 13027 final PackageSetting ps = mSettings.mPackages.get(packageName); 13028 if (pkg == null || ps == null) { 13029 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13030 } else { 13031 // Disable moving fwd locked apps and system packages 13032 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13033 Slog.w(TAG, "Cannot move system application"); 13034 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13035 } else if (pkg.mOperationPending) { 13036 Slog.w(TAG, "Attempt to move package which has pending operations"); 13037 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13038 } else { 13039 // Find install location first 13040 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13041 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13042 Slog.w(TAG, "Ambigous flags specified for move location."); 13043 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13044 } else { 13045 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13046 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13047 currInstallFlags = isExternal(pkg) 13048 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13049 13050 if (newInstallFlags == currInstallFlags) { 13051 Slog.w(TAG, "No move required. Trying to move to same location"); 13052 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13053 } else { 13054 if (isForwardLocked(pkg)) { 13055 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13056 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13057 } 13058 } 13059 } 13060 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13061 pkg.mOperationPending = true; 13062 } 13063 } 13064 13065 codeFile = new File(pkg.codePath); 13066 installerPackageName = ps.installerPackageName; 13067 packageAbiOverride = ps.cpuAbiOverrideString; 13068 } 13069 } 13070 13071 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13072 try { 13073 observer.packageMoved(packageName, returnCode); 13074 } catch (RemoteException ignored) { 13075 } 13076 return; 13077 } 13078 13079 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13080 @Override 13081 public void onUserActionRequired(Intent intent) throws RemoteException { 13082 throw new IllegalStateException(); 13083 } 13084 13085 @Override 13086 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13087 Bundle extras) throws RemoteException { 13088 Slog.d(TAG, "Install result for move: " 13089 + PackageManager.installStatusToString(returnCode, msg)); 13090 13091 // We usually have a new package now after the install, but if 13092 // we failed we need to clear the pending flag on the original 13093 // package object. 13094 synchronized (mPackages) { 13095 final PackageParser.Package pkg = mPackages.get(packageName); 13096 if (pkg != null) { 13097 pkg.mOperationPending = false; 13098 } 13099 } 13100 13101 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13102 switch (status) { 13103 case PackageInstaller.STATUS_SUCCESS: 13104 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13105 break; 13106 case PackageInstaller.STATUS_FAILURE_STORAGE: 13107 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13108 break; 13109 default: 13110 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13111 break; 13112 } 13113 } 13114 }; 13115 13116 // Treat a move like reinstalling an existing app, which ensures that we 13117 // process everythign uniformly, like unpacking native libraries. 13118 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13119 13120 final Message msg = mHandler.obtainMessage(INIT_COPY); 13121 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13122 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13123 installerPackageName, null, user, packageAbiOverride); 13124 mHandler.sendMessage(msg); 13125 } 13126 13127 @Override 13128 public boolean setInstallLocation(int loc) { 13129 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13130 null); 13131 if (getInstallLocation() == loc) { 13132 return true; 13133 } 13134 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13135 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13136 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13137 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13138 return true; 13139 } 13140 return false; 13141 } 13142 13143 @Override 13144 public int getInstallLocation() { 13145 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13146 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13147 PackageHelper.APP_INSTALL_AUTO); 13148 } 13149 13150 /** Called by UserManagerService */ 13151 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13152 mDirtyUsers.remove(userHandle); 13153 mSettings.removeUserLPw(userHandle); 13154 mPendingBroadcasts.remove(userHandle); 13155 if (mInstaller != null) { 13156 // Technically, we shouldn't be doing this with the package lock 13157 // held. However, this is very rare, and there is already so much 13158 // other disk I/O going on, that we'll let it slide for now. 13159 mInstaller.removeUserDataDirs(userHandle); 13160 } 13161 mUserNeedsBadging.delete(userHandle); 13162 removeUnusedPackagesLILPw(userManager, userHandle); 13163 } 13164 13165 /** 13166 * We're removing userHandle and would like to remove any downloaded packages 13167 * that are no longer in use by any other user. 13168 * @param userHandle the user being removed 13169 */ 13170 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13171 final boolean DEBUG_CLEAN_APKS = false; 13172 int [] users = userManager.getUserIdsLPr(); 13173 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13174 while (psit.hasNext()) { 13175 PackageSetting ps = psit.next(); 13176 if (ps.pkg == null) { 13177 continue; 13178 } 13179 final String packageName = ps.pkg.packageName; 13180 // Skip over if system app 13181 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13182 continue; 13183 } 13184 if (DEBUG_CLEAN_APKS) { 13185 Slog.i(TAG, "Checking package " + packageName); 13186 } 13187 boolean keep = false; 13188 for (int i = 0; i < users.length; i++) { 13189 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13190 keep = true; 13191 if (DEBUG_CLEAN_APKS) { 13192 Slog.i(TAG, " Keeping package " + packageName + " for user " 13193 + users[i]); 13194 } 13195 break; 13196 } 13197 } 13198 if (!keep) { 13199 if (DEBUG_CLEAN_APKS) { 13200 Slog.i(TAG, " Removing package " + packageName); 13201 } 13202 mHandler.post(new Runnable() { 13203 public void run() { 13204 deletePackageX(packageName, userHandle, 0); 13205 } //end run 13206 }); 13207 } 13208 } 13209 } 13210 13211 /** Called by UserManagerService */ 13212 void createNewUserLILPw(int userHandle, File path) { 13213 if (mInstaller != null) { 13214 mInstaller.createUserConfig(userHandle); 13215 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13216 } 13217 } 13218 13219 @Override 13220 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13221 mContext.enforceCallingOrSelfPermission( 13222 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13223 "Only package verification agents can read the verifier device identity"); 13224 13225 synchronized (mPackages) { 13226 return mSettings.getVerifierDeviceIdentityLPw(); 13227 } 13228 } 13229 13230 @Override 13231 public void setPermissionEnforced(String permission, boolean enforced) { 13232 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13233 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13234 synchronized (mPackages) { 13235 if (mSettings.mReadExternalStorageEnforced == null 13236 || mSettings.mReadExternalStorageEnforced != enforced) { 13237 mSettings.mReadExternalStorageEnforced = enforced; 13238 mSettings.writeLPr(); 13239 } 13240 } 13241 // kill any non-foreground processes so we restart them and 13242 // grant/revoke the GID. 13243 final IActivityManager am = ActivityManagerNative.getDefault(); 13244 if (am != null) { 13245 final long token = Binder.clearCallingIdentity(); 13246 try { 13247 am.killProcessesBelowForeground("setPermissionEnforcement"); 13248 } catch (RemoteException e) { 13249 } finally { 13250 Binder.restoreCallingIdentity(token); 13251 } 13252 } 13253 } else { 13254 throw new IllegalArgumentException("No selective enforcement for " + permission); 13255 } 13256 } 13257 13258 @Override 13259 @Deprecated 13260 public boolean isPermissionEnforced(String permission) { 13261 return true; 13262 } 13263 13264 @Override 13265 public boolean isStorageLow() { 13266 final long token = Binder.clearCallingIdentity(); 13267 try { 13268 final DeviceStorageMonitorInternal 13269 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13270 if (dsm != null) { 13271 return dsm.isMemoryLow(); 13272 } else { 13273 return false; 13274 } 13275 } finally { 13276 Binder.restoreCallingIdentity(token); 13277 } 13278 } 13279 13280 @Override 13281 public IPackageInstaller getPackageInstaller() { 13282 return mInstallerService; 13283 } 13284 13285 private boolean userNeedsBadging(int userId) { 13286 int index = mUserNeedsBadging.indexOfKey(userId); 13287 if (index < 0) { 13288 final UserInfo userInfo; 13289 final long token = Binder.clearCallingIdentity(); 13290 try { 13291 userInfo = sUserManager.getUserInfo(userId); 13292 } finally { 13293 Binder.restoreCallingIdentity(token); 13294 } 13295 final boolean b; 13296 if (userInfo != null && userInfo.isManagedProfile()) { 13297 b = true; 13298 } else { 13299 b = false; 13300 } 13301 mUserNeedsBadging.put(userId, b); 13302 return b; 13303 } 13304 return mUserNeedsBadging.valueAt(index); 13305 } 13306 13307 @Override 13308 public KeySet getKeySetByAlias(String packageName, String alias) { 13309 if (packageName == null || alias == null) { 13310 return null; 13311 } 13312 synchronized(mPackages) { 13313 final PackageParser.Package pkg = mPackages.get(packageName); 13314 if (pkg == null) { 13315 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13316 throw new IllegalArgumentException("Unknown package: " + packageName); 13317 } 13318 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13319 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13320 } 13321 } 13322 13323 @Override 13324 public KeySet getSigningKeySet(String packageName) { 13325 if (packageName == null) { 13326 return null; 13327 } 13328 synchronized(mPackages) { 13329 final PackageParser.Package pkg = mPackages.get(packageName); 13330 if (pkg == null) { 13331 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13332 throw new IllegalArgumentException("Unknown package: " + packageName); 13333 } 13334 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13335 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13336 throw new SecurityException("May not access signing KeySet of other apps."); 13337 } 13338 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13339 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13340 } 13341 } 13342 13343 @Override 13344 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13345 if (packageName == null || ks == null) { 13346 return false; 13347 } 13348 synchronized(mPackages) { 13349 final PackageParser.Package pkg = mPackages.get(packageName); 13350 if (pkg == null) { 13351 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13352 throw new IllegalArgumentException("Unknown package: " + packageName); 13353 } 13354 IBinder ksh = ks.getToken(); 13355 if (ksh instanceof KeySetHandle) { 13356 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13357 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13358 } 13359 return false; 13360 } 13361 } 13362 13363 @Override 13364 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13365 if (packageName == null || ks == null) { 13366 return false; 13367 } 13368 synchronized(mPackages) { 13369 final PackageParser.Package pkg = mPackages.get(packageName); 13370 if (pkg == null) { 13371 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13372 throw new IllegalArgumentException("Unknown package: " + packageName); 13373 } 13374 IBinder ksh = ks.getToken(); 13375 if (ksh instanceof KeySetHandle) { 13376 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13377 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13378 } 13379 return false; 13380 } 13381 } 13382} 13383