PackageManagerService.java revision ff110bd61a69f7ed8602ae14b27f7befec76b2e7
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_USER_RESTRICTED; 28import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 29import static android.content.pm.PackageParser.isApkFile; 30import static android.os.Process.PACKAGE_INFO_GID; 31import static android.os.Process.SYSTEM_UID; 32import static android.system.OsConstants.O_CREAT; 33import static android.system.OsConstants.EEXIST; 34import static android.system.OsConstants.O_EXCL; 35import static android.system.OsConstants.O_RDWR; 36import static android.system.OsConstants.S_IRGRP; 37import static android.system.OsConstants.S_IROTH; 38import static android.system.OsConstants.S_IRWXU; 39import static android.system.OsConstants.S_IXGRP; 40import static android.system.OsConstants.S_IXOTH; 41import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 42import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 43import static com.android.internal.util.ArrayUtils.appendInt; 44import static com.android.internal.util.ArrayUtils.removeInt; 45 46import android.util.ArrayMap; 47 48import com.android.internal.R; 49import com.android.internal.app.IMediaContainerService; 50import com.android.internal.app.ResolverActivity; 51import com.android.internal.content.NativeLibraryHelper; 52import com.android.internal.content.PackageHelper; 53import com.android.internal.os.IParcelFileDescriptorFactory; 54import com.android.internal.util.ArrayUtils; 55import com.android.internal.util.FastPrintWriter; 56import com.android.internal.util.FastXmlSerializer; 57import com.android.internal.util.Preconditions; 58import com.android.server.EventLogTags; 59import com.android.server.IntentResolver; 60import com.android.server.LocalServices; 61import com.android.server.ServiceThread; 62import com.android.server.SystemConfig; 63import com.android.server.Watchdog; 64import com.android.server.pm.Settings.DatabaseVersion; 65import com.android.server.storage.DeviceStorageMonitorInternal; 66 67import org.xmlpull.v1.XmlSerializer; 68 69import android.app.ActivityManager; 70import android.app.ActivityManagerNative; 71import android.app.IActivityManager; 72import android.app.admin.IDevicePolicyManager; 73import android.app.backup.IBackupManager; 74import android.content.BroadcastReceiver; 75import android.content.ComponentName; 76import android.content.Context; 77import android.content.IIntentReceiver; 78import android.content.Intent; 79import android.content.IntentFilter; 80import android.content.IntentSender; 81import android.content.IntentSender.SendIntentException; 82import android.content.ServiceConnection; 83import android.content.pm.ActivityInfo; 84import android.content.pm.ApplicationInfo; 85import android.content.pm.FeatureInfo; 86import android.content.pm.IPackageDataObserver; 87import android.content.pm.IPackageDeleteObserver; 88import android.content.pm.IPackageInstallObserver; 89import android.content.pm.IPackageInstallObserver2; 90import android.content.pm.IPackageInstaller; 91import android.content.pm.IPackageManager; 92import android.content.pm.IPackageMoveObserver; 93import android.content.pm.IPackageStatsObserver; 94import android.content.pm.InstrumentationInfo; 95import android.content.pm.ManifestDigest; 96import android.content.pm.PackageCleanItem; 97import android.content.pm.PackageInfo; 98import android.content.pm.PackageInfoLite; 99import android.content.pm.PackageInstallerParams; 100import android.content.pm.PackageManager; 101import android.content.pm.PackageParser.ActivityIntentInfo; 102import android.content.pm.PackageParser.PackageLite; 103import android.content.pm.PackageParser.PackageParserException; 104import android.content.pm.PackageParser; 105import android.content.pm.PackageStats; 106import android.content.pm.PackageUserState; 107import android.content.pm.ParceledListSlice; 108import android.content.pm.PermissionGroupInfo; 109import android.content.pm.PermissionInfo; 110import android.content.pm.ProviderInfo; 111import android.content.pm.ResolveInfo; 112import android.content.pm.ServiceInfo; 113import android.content.pm.Signature; 114import android.content.pm.UserInfo; 115import android.content.pm.VerificationParams; 116import android.content.pm.VerifierDeviceIdentity; 117import android.content.pm.VerifierInfo; 118import android.content.res.Resources; 119import android.hardware.display.DisplayManager; 120import android.net.Uri; 121import android.os.Binder; 122import android.os.Build; 123import android.os.Bundle; 124import android.os.Environment; 125import android.os.Environment.UserEnvironment; 126import android.os.FileObserver; 127import android.os.FileUtils; 128import android.os.Handler; 129import android.os.IBinder; 130import android.os.Looper; 131import android.os.Message; 132import android.os.Parcel; 133import android.os.ParcelFileDescriptor; 134import android.os.Process; 135import android.os.RemoteException; 136import android.os.SELinux; 137import android.os.ServiceManager; 138import android.os.SystemClock; 139import android.os.SystemProperties; 140import android.os.UserHandle; 141import android.os.UserManager; 142import android.security.KeyStore; 143import android.security.SystemKeyStore; 144import android.system.ErrnoException; 145import android.system.Os; 146import android.system.StructStat; 147import android.text.TextUtils; 148import android.util.ArraySet; 149import android.util.AtomicFile; 150import android.util.DisplayMetrics; 151import android.util.EventLog; 152import android.util.Log; 153import android.util.LogPrinter; 154import android.util.PrintStreamPrinter; 155import android.util.Slog; 156import android.util.SparseArray; 157import android.util.SparseBooleanArray; 158import android.view.Display; 159 160import java.io.BufferedInputStream; 161import java.io.BufferedOutputStream; 162import java.io.File; 163import java.io.FileDescriptor; 164import java.io.FileInputStream; 165import java.io.FileNotFoundException; 166import java.io.FileOutputStream; 167import java.io.FilenameFilter; 168import java.io.IOException; 169import java.io.InputStream; 170import java.io.PrintWriter; 171import java.nio.charset.StandardCharsets; 172import java.security.NoSuchAlgorithmException; 173import java.security.PublicKey; 174import java.security.cert.CertificateEncodingException; 175import java.security.cert.CertificateException; 176import java.text.SimpleDateFormat; 177import java.util.ArrayList; 178import java.util.Arrays; 179import java.util.Collection; 180import java.util.Collections; 181import java.util.Comparator; 182import java.util.Date; 183import java.util.HashMap; 184import java.util.HashSet; 185import java.util.Iterator; 186import java.util.List; 187import java.util.Map; 188import java.util.Random; 189import java.util.Set; 190import java.util.concurrent.atomic.AtomicBoolean; 191import java.util.concurrent.atomic.AtomicLong; 192 193import dalvik.system.DexFile; 194import dalvik.system.StaleDexCacheError; 195import dalvik.system.VMRuntime; 196 197import libcore.io.IoUtils; 198 199/** 200 * Keep track of all those .apks everywhere. 201 * 202 * This is very central to the platform's security; please run the unit 203 * tests whenever making modifications here: 204 * 205mmm frameworks/base/tests/AndroidTests 206adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 207adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 208 * 209 * {@hide} 210 */ 211public class PackageManagerService extends IPackageManager.Stub { 212 static final String TAG = "PackageManager"; 213 static final boolean DEBUG_SETTINGS = false; 214 static final boolean DEBUG_PREFERRED = false; 215 static final boolean DEBUG_UPGRADE = false; 216 private static final boolean DEBUG_INSTALL = false; 217 private static final boolean DEBUG_REMOVE = false; 218 private static final boolean DEBUG_BROADCASTS = false; 219 private static final boolean DEBUG_SHOW_INFO = false; 220 private static final boolean DEBUG_PACKAGE_INFO = false; 221 private static final boolean DEBUG_INTENT_MATCHING = false; 222 private static final boolean DEBUG_PACKAGE_SCANNING = false; 223 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 224 private static final boolean DEBUG_VERIFY = false; 225 private static final boolean DEBUG_DEXOPT = false; 226 private static final boolean DEBUG_ABI_SELECTION = false; 227 228 private static final int RADIO_UID = Process.PHONE_UID; 229 private static final int LOG_UID = Process.LOG_UID; 230 private static final int NFC_UID = Process.NFC_UID; 231 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 232 private static final int SHELL_UID = Process.SHELL_UID; 233 234 // Cap the size of permission trees that 3rd party apps can define 235 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 236 237 private static final int REMOVE_EVENTS = 238 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 239 private static final int ADD_EVENTS = 240 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 241 242 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 243 // Suffix used during package installation when copying/moving 244 // package apks to install directory. 245 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 246 247 static final int SCAN_MONITOR = 1<<0; 248 static final int SCAN_NO_DEX = 1<<1; 249 static final int SCAN_FORCE_DEX = 1<<2; 250 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 251 static final int SCAN_NEW_INSTALL = 1<<4; 252 static final int SCAN_NO_PATHS = 1<<5; 253 static final int SCAN_UPDATE_TIME = 1<<6; 254 static final int SCAN_DEFER_DEX = 1<<7; 255 static final int SCAN_BOOTING = 1<<8; 256 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 257 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 258 259 static final int REMOVE_CHATTY = 1<<16; 260 261 /** 262 * Timeout (in milliseconds) after which the watchdog should declare that 263 * our handler thread is wedged. The usual default for such things is one 264 * minute but we sometimes do very lengthy I/O operations on this thread, 265 * such as installing multi-gigabyte applications, so ours needs to be longer. 266 */ 267 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 268 269 /** 270 * Whether verification is enabled by default. 271 */ 272 private static final boolean DEFAULT_VERIFY_ENABLE = true; 273 274 /** 275 * The default maximum time to wait for the verification agent to return in 276 * milliseconds. 277 */ 278 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 279 280 /** 281 * The default response for package verification timeout. 282 * 283 * This can be either PackageManager.VERIFICATION_ALLOW or 284 * PackageManager.VERIFICATION_REJECT. 285 */ 286 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 287 288 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 289 290 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 291 DEFAULT_CONTAINER_PACKAGE, 292 "com.android.defcontainer.DefaultContainerService"); 293 294 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 295 296 private static final String LIB_DIR_NAME = "lib"; 297 private static final String LIB64_DIR_NAME = "lib64"; 298 299 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 300 301 static final String mTempContainerPrefix = "smdl2tmp"; 302 303 private static String sPreferredInstructionSet; 304 305 final ServiceThread mHandlerThread; 306 307 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 308 private static final String IDMAP_SUFFIX = "@idmap"; 309 310 final PackageHandler mHandler; 311 312 final int mSdkVersion = Build.VERSION.SDK_INT; 313 314 final Context mContext; 315 final boolean mFactoryTest; 316 final boolean mOnlyCore; 317 final DisplayMetrics mMetrics; 318 final int mDefParseFlags; 319 final String[] mSeparateProcesses; 320 321 // This is where all application persistent data goes. 322 final File mAppDataDir; 323 324 // This is where all application persistent data goes for secondary users. 325 final File mUserAppDataDir; 326 327 /** The location for ASEC container files on internal storage. */ 328 final String mAsecInternalPath; 329 330 // This is the object monitoring the framework dir. 331 final FileObserver mFrameworkInstallObserver; 332 333 // This is the object monitoring the system app dir. 334 final FileObserver mSystemInstallObserver; 335 336 // This is the object monitoring the privileged system app dir. 337 final FileObserver mPrivilegedInstallObserver; 338 339 // This is the object monitoring the vendor app dir. 340 final FileObserver mVendorInstallObserver; 341 342 // This is the object monitoring the vendor overlay package dir. 343 final FileObserver mVendorOverlayInstallObserver; 344 345 // This is the object monitoring the OEM app dir. 346 final FileObserver mOemInstallObserver; 347 348 // This is the object monitoring mAppInstallDir. 349 final FileObserver mAppInstallObserver; 350 351 // This is the object monitoring mDrmAppPrivateInstallDir. 352 final FileObserver mDrmAppInstallObserver; 353 354 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 355 // LOCK HELD. Can be called with mInstallLock held. 356 final Installer mInstaller; 357 358 /** Directory where installed third-party apps stored */ 359 final File mAppInstallDir; 360 361 /** 362 * Directory to which applications installed internally have their 363 * 32 bit native libraries copied. 364 */ 365 private File mAppLib32InstallDir; 366 367 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 368 // apps. 369 final File mDrmAppPrivateInstallDir; 370 371 // ---------------------------------------------------------------- 372 373 // Lock for state used when installing and doing other long running 374 // operations. Methods that must be called with this lock held have 375 // the suffix "LI". 376 final Object mInstallLock = new Object(); 377 378 // These are the directories in the 3rd party applications installed dir 379 // that we have currently loaded packages from. Keys are the application's 380 // installed zip file (absolute codePath), and values are Package. 381 final HashMap<String, PackageParser.Package> mAppDirs = 382 new HashMap<String, PackageParser.Package>(); 383 384 // Information for the parser to write more useful error messages. 385 int mLastScanError; 386 387 // ---------------------------------------------------------------- 388 389 // Keys are String (package name), values are Package. This also serves 390 // as the lock for the global state. Methods that must be called with 391 // this lock held have the prefix "LP". 392 final HashMap<String, PackageParser.Package> mPackages = 393 new HashMap<String, PackageParser.Package>(); 394 395 // Tracks available target package names -> overlay package paths. 396 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 397 new HashMap<String, HashMap<String, PackageParser.Package>>(); 398 399 final Settings mSettings; 400 boolean mRestoredSettings; 401 402 // System configuration read by SystemConfig. 403 final int[] mGlobalGids; 404 final SparseArray<HashSet<String>> mSystemPermissions; 405 final HashMap<String, FeatureInfo> mAvailableFeatures; 406 407 // If mac_permissions.xml was found for seinfo labeling. 408 boolean mFoundPolicyFile; 409 410 // If a recursive restorecon of /data/data/<pkg> is needed. 411 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 412 413 public static final class SharedLibraryEntry { 414 public final String path; 415 public final String apk; 416 417 SharedLibraryEntry(String _path, String _apk) { 418 path = _path; 419 apk = _apk; 420 } 421 } 422 423 // Currently known shared libraries. 424 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 425 new HashMap<String, SharedLibraryEntry>(); 426 427 // All available activities, for your resolving pleasure. 428 final ActivityIntentResolver mActivities = 429 new ActivityIntentResolver(); 430 431 // All available receivers, for your resolving pleasure. 432 final ActivityIntentResolver mReceivers = 433 new ActivityIntentResolver(); 434 435 // All available services, for your resolving pleasure. 436 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 437 438 // All available providers, for your resolving pleasure. 439 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 440 441 // Mapping from provider base names (first directory in content URI codePath) 442 // to the provider information. 443 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 444 new HashMap<String, PackageParser.Provider>(); 445 446 // Mapping from instrumentation class names to info about them. 447 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 448 new HashMap<ComponentName, PackageParser.Instrumentation>(); 449 450 // Mapping from permission names to info about them. 451 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 452 new HashMap<String, PackageParser.PermissionGroup>(); 453 454 // Packages whose data we have transfered into another package, thus 455 // should no longer exist. 456 final HashSet<String> mTransferedPackages = new HashSet<String>(); 457 458 // Broadcast actions that are only available to the system. 459 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 460 461 /** List of packages waiting for verification. */ 462 final SparseArray<PackageVerificationState> mPendingVerification 463 = new SparseArray<PackageVerificationState>(); 464 465 final PackageInstallerService mInstallerService; 466 467 HashSet<PackageParser.Package> mDeferredDexOpt = null; 468 469 // Cache of users who need badging. 470 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 471 472 /** Token for keys in mPendingVerification. */ 473 private int mPendingVerificationToken = 0; 474 475 boolean mSystemReady; 476 boolean mSafeMode; 477 boolean mHasSystemUidErrors; 478 479 ApplicationInfo mAndroidApplication; 480 final ActivityInfo mResolveActivity = new ActivityInfo(); 481 final ResolveInfo mResolveInfo = new ResolveInfo(); 482 ComponentName mResolveComponentName; 483 PackageParser.Package mPlatformPackage; 484 ComponentName mCustomResolverComponentName; 485 486 boolean mResolverReplaced = false; 487 488 // Set of pending broadcasts for aggregating enable/disable of components. 489 static class PendingPackageBroadcasts { 490 // for each user id, a map of <package name -> components within that package> 491 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 492 493 public PendingPackageBroadcasts() { 494 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 495 } 496 497 public ArrayList<String> get(int userId, String packageName) { 498 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 499 return packages.get(packageName); 500 } 501 502 public void put(int userId, String packageName, ArrayList<String> components) { 503 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 504 packages.put(packageName, components); 505 } 506 507 public void remove(int userId, String packageName) { 508 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 509 if (packages != null) { 510 packages.remove(packageName); 511 } 512 } 513 514 public void remove(int userId) { 515 mUidMap.remove(userId); 516 } 517 518 public int userIdCount() { 519 return mUidMap.size(); 520 } 521 522 public int userIdAt(int n) { 523 return mUidMap.keyAt(n); 524 } 525 526 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 527 return mUidMap.get(userId); 528 } 529 530 public int size() { 531 // total number of pending broadcast entries across all userIds 532 int num = 0; 533 for (int i = 0; i< mUidMap.size(); i++) { 534 num += mUidMap.valueAt(i).size(); 535 } 536 return num; 537 } 538 539 public void clear() { 540 mUidMap.clear(); 541 } 542 543 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 544 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 545 if (map == null) { 546 map = new HashMap<String, ArrayList<String>>(); 547 mUidMap.put(userId, map); 548 } 549 return map; 550 } 551 } 552 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 553 554 // Service Connection to remote media container service to copy 555 // package uri's from external media onto secure containers 556 // or internal storage. 557 private IMediaContainerService mContainerService = null; 558 559 static final int SEND_PENDING_BROADCAST = 1; 560 static final int MCS_BOUND = 3; 561 static final int END_COPY = 4; 562 static final int INIT_COPY = 5; 563 static final int MCS_UNBIND = 6; 564 static final int START_CLEANING_PACKAGE = 7; 565 static final int FIND_INSTALL_LOC = 8; 566 static final int POST_INSTALL = 9; 567 static final int MCS_RECONNECT = 10; 568 static final int MCS_GIVE_UP = 11; 569 static final int UPDATED_MEDIA_STATUS = 12; 570 static final int WRITE_SETTINGS = 13; 571 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 572 static final int PACKAGE_VERIFIED = 15; 573 static final int CHECK_PENDING_VERIFICATION = 16; 574 575 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 576 577 // Delay time in millisecs 578 static final int BROADCAST_DELAY = 10 * 1000; 579 580 static UserManagerService sUserManager; 581 582 // Stores a list of users whose package restrictions file needs to be updated 583 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 584 585 final private DefaultContainerConnection mDefContainerConn = 586 new DefaultContainerConnection(); 587 class DefaultContainerConnection implements ServiceConnection { 588 public void onServiceConnected(ComponentName name, IBinder service) { 589 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 590 IMediaContainerService imcs = 591 IMediaContainerService.Stub.asInterface(service); 592 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 593 } 594 595 public void onServiceDisconnected(ComponentName name) { 596 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 597 } 598 }; 599 600 // Recordkeeping of restore-after-install operations that are currently in flight 601 // between the Package Manager and the Backup Manager 602 class PostInstallData { 603 public InstallArgs args; 604 public PackageInstalledInfo res; 605 606 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 607 args = _a; 608 res = _r; 609 } 610 }; 611 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 612 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 613 614 private final String mRequiredVerifierPackage; 615 616 private final PackageUsage mPackageUsage = new PackageUsage(); 617 618 private class PackageUsage { 619 private static final int WRITE_INTERVAL 620 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 621 622 private final Object mFileLock = new Object(); 623 private final AtomicLong mLastWritten = new AtomicLong(0); 624 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 625 626 private boolean mIsHistoricalPackageUsageAvailable = true; 627 628 boolean isHistoricalPackageUsageAvailable() { 629 return mIsHistoricalPackageUsageAvailable; 630 } 631 632 void write(boolean force) { 633 if (force) { 634 writeInternal(); 635 return; 636 } 637 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 638 && !DEBUG_DEXOPT) { 639 return; 640 } 641 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 642 new Thread("PackageUsage_DiskWriter") { 643 @Override 644 public void run() { 645 try { 646 writeInternal(); 647 } finally { 648 mBackgroundWriteRunning.set(false); 649 } 650 } 651 }.start(); 652 } 653 } 654 655 private void writeInternal() { 656 synchronized (mPackages) { 657 synchronized (mFileLock) { 658 AtomicFile file = getFile(); 659 FileOutputStream f = null; 660 try { 661 f = file.startWrite(); 662 BufferedOutputStream out = new BufferedOutputStream(f); 663 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 664 StringBuilder sb = new StringBuilder(); 665 for (PackageParser.Package pkg : mPackages.values()) { 666 if (pkg.mLastPackageUsageTimeInMills == 0) { 667 continue; 668 } 669 sb.setLength(0); 670 sb.append(pkg.packageName); 671 sb.append(' '); 672 sb.append((long)pkg.mLastPackageUsageTimeInMills); 673 sb.append('\n'); 674 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 675 } 676 out.flush(); 677 file.finishWrite(f); 678 } catch (IOException e) { 679 if (f != null) { 680 file.failWrite(f); 681 } 682 Log.e(TAG, "Failed to write package usage times", e); 683 } 684 } 685 } 686 mLastWritten.set(SystemClock.elapsedRealtime()); 687 } 688 689 void readLP() { 690 synchronized (mFileLock) { 691 AtomicFile file = getFile(); 692 BufferedInputStream in = null; 693 try { 694 in = new BufferedInputStream(file.openRead()); 695 StringBuffer sb = new StringBuffer(); 696 while (true) { 697 String packageName = readToken(in, sb, ' '); 698 if (packageName == null) { 699 break; 700 } 701 String timeInMillisString = readToken(in, sb, '\n'); 702 if (timeInMillisString == null) { 703 throw new IOException("Failed to find last usage time for package " 704 + packageName); 705 } 706 PackageParser.Package pkg = mPackages.get(packageName); 707 if (pkg == null) { 708 continue; 709 } 710 long timeInMillis; 711 try { 712 timeInMillis = Long.parseLong(timeInMillisString.toString()); 713 } catch (NumberFormatException e) { 714 throw new IOException("Failed to parse " + timeInMillisString 715 + " as a long.", e); 716 } 717 pkg.mLastPackageUsageTimeInMills = timeInMillis; 718 } 719 } catch (FileNotFoundException expected) { 720 mIsHistoricalPackageUsageAvailable = false; 721 } catch (IOException e) { 722 Log.w(TAG, "Failed to read package usage times", e); 723 } finally { 724 IoUtils.closeQuietly(in); 725 } 726 } 727 mLastWritten.set(SystemClock.elapsedRealtime()); 728 } 729 730 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 731 throws IOException { 732 sb.setLength(0); 733 while (true) { 734 int ch = in.read(); 735 if (ch == -1) { 736 if (sb.length() == 0) { 737 return null; 738 } 739 throw new IOException("Unexpected EOF"); 740 } 741 if (ch == endOfToken) { 742 return sb.toString(); 743 } 744 sb.append((char)ch); 745 } 746 } 747 748 private AtomicFile getFile() { 749 File dataDir = Environment.getDataDirectory(); 750 File systemDir = new File(dataDir, "system"); 751 File fname = new File(systemDir, "package-usage.list"); 752 return new AtomicFile(fname); 753 } 754 } 755 756 class PackageHandler extends Handler { 757 private boolean mBound = false; 758 final ArrayList<HandlerParams> mPendingInstalls = 759 new ArrayList<HandlerParams>(); 760 761 private boolean connectToService() { 762 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 763 " DefaultContainerService"); 764 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 765 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 766 if (mContext.bindServiceAsUser(service, mDefContainerConn, 767 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 768 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 769 mBound = true; 770 return true; 771 } 772 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 773 return false; 774 } 775 776 private void disconnectService() { 777 mContainerService = null; 778 mBound = false; 779 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 780 mContext.unbindService(mDefContainerConn); 781 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 782 } 783 784 PackageHandler(Looper looper) { 785 super(looper); 786 } 787 788 public void handleMessage(Message msg) { 789 try { 790 doHandleMessage(msg); 791 } finally { 792 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 793 } 794 } 795 796 void doHandleMessage(Message msg) { 797 switch (msg.what) { 798 case INIT_COPY: { 799 HandlerParams params = (HandlerParams) msg.obj; 800 int idx = mPendingInstalls.size(); 801 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 802 // If a bind was already initiated we dont really 803 // need to do anything. The pending install 804 // will be processed later on. 805 if (!mBound) { 806 // If this is the only one pending we might 807 // have to bind to the service again. 808 if (!connectToService()) { 809 Slog.e(TAG, "Failed to bind to media container service"); 810 params.serviceError(); 811 return; 812 } else { 813 // Once we bind to the service, the first 814 // pending request will be processed. 815 mPendingInstalls.add(idx, params); 816 } 817 } else { 818 mPendingInstalls.add(idx, params); 819 // Already bound to the service. Just make 820 // sure we trigger off processing the first request. 821 if (idx == 0) { 822 mHandler.sendEmptyMessage(MCS_BOUND); 823 } 824 } 825 break; 826 } 827 case MCS_BOUND: { 828 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 829 if (msg.obj != null) { 830 mContainerService = (IMediaContainerService) msg.obj; 831 } 832 if (mContainerService == null) { 833 // Something seriously wrong. Bail out 834 Slog.e(TAG, "Cannot bind to media container service"); 835 for (HandlerParams params : mPendingInstalls) { 836 // Indicate service bind error 837 params.serviceError(); 838 } 839 mPendingInstalls.clear(); 840 } else if (mPendingInstalls.size() > 0) { 841 HandlerParams params = mPendingInstalls.get(0); 842 if (params != null) { 843 if (params.startCopy()) { 844 // We are done... look for more work or to 845 // go idle. 846 if (DEBUG_SD_INSTALL) Log.i(TAG, 847 "Checking for more work or unbind..."); 848 // Delete pending install 849 if (mPendingInstalls.size() > 0) { 850 mPendingInstalls.remove(0); 851 } 852 if (mPendingInstalls.size() == 0) { 853 if (mBound) { 854 if (DEBUG_SD_INSTALL) Log.i(TAG, 855 "Posting delayed MCS_UNBIND"); 856 removeMessages(MCS_UNBIND); 857 Message ubmsg = obtainMessage(MCS_UNBIND); 858 // Unbind after a little delay, to avoid 859 // continual thrashing. 860 sendMessageDelayed(ubmsg, 10000); 861 } 862 } else { 863 // There are more pending requests in queue. 864 // Just post MCS_BOUND message to trigger processing 865 // of next pending install. 866 if (DEBUG_SD_INSTALL) Log.i(TAG, 867 "Posting MCS_BOUND for next work"); 868 mHandler.sendEmptyMessage(MCS_BOUND); 869 } 870 } 871 } 872 } else { 873 // Should never happen ideally. 874 Slog.w(TAG, "Empty queue"); 875 } 876 break; 877 } 878 case MCS_RECONNECT: { 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 880 if (mPendingInstalls.size() > 0) { 881 if (mBound) { 882 disconnectService(); 883 } 884 if (!connectToService()) { 885 Slog.e(TAG, "Failed to bind to media container service"); 886 for (HandlerParams params : mPendingInstalls) { 887 // Indicate service bind error 888 params.serviceError(); 889 } 890 mPendingInstalls.clear(); 891 } 892 } 893 break; 894 } 895 case MCS_UNBIND: { 896 // If there is no actual work left, then time to unbind. 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 898 899 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 900 if (mBound) { 901 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 902 903 disconnectService(); 904 } 905 } else if (mPendingInstalls.size() > 0) { 906 // There are more pending requests in queue. 907 // Just post MCS_BOUND message to trigger processing 908 // of next pending install. 909 mHandler.sendEmptyMessage(MCS_BOUND); 910 } 911 912 break; 913 } 914 case MCS_GIVE_UP: { 915 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 916 mPendingInstalls.remove(0); 917 break; 918 } 919 case SEND_PENDING_BROADCAST: { 920 String packages[]; 921 ArrayList<String> components[]; 922 int size = 0; 923 int uids[]; 924 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 925 synchronized (mPackages) { 926 if (mPendingBroadcasts == null) { 927 return; 928 } 929 size = mPendingBroadcasts.size(); 930 if (size <= 0) { 931 // Nothing to be done. Just return 932 return; 933 } 934 packages = new String[size]; 935 components = new ArrayList[size]; 936 uids = new int[size]; 937 int i = 0; // filling out the above arrays 938 939 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 940 int packageUserId = mPendingBroadcasts.userIdAt(n); 941 Iterator<Map.Entry<String, ArrayList<String>>> it 942 = mPendingBroadcasts.packagesForUserId(packageUserId) 943 .entrySet().iterator(); 944 while (it.hasNext() && i < size) { 945 Map.Entry<String, ArrayList<String>> ent = it.next(); 946 packages[i] = ent.getKey(); 947 components[i] = ent.getValue(); 948 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 949 uids[i] = (ps != null) 950 ? UserHandle.getUid(packageUserId, ps.appId) 951 : -1; 952 i++; 953 } 954 } 955 size = i; 956 mPendingBroadcasts.clear(); 957 } 958 // Send broadcasts 959 for (int i = 0; i < size; i++) { 960 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 961 } 962 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 963 break; 964 } 965 case START_CLEANING_PACKAGE: { 966 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 967 final String packageName = (String)msg.obj; 968 final int userId = msg.arg1; 969 final boolean andCode = msg.arg2 != 0; 970 synchronized (mPackages) { 971 if (userId == UserHandle.USER_ALL) { 972 int[] users = sUserManager.getUserIds(); 973 for (int user : users) { 974 mSettings.addPackageToCleanLPw( 975 new PackageCleanItem(user, packageName, andCode)); 976 } 977 } else { 978 mSettings.addPackageToCleanLPw( 979 new PackageCleanItem(userId, packageName, andCode)); 980 } 981 } 982 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 983 startCleaningPackages(); 984 } break; 985 case POST_INSTALL: { 986 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 987 PostInstallData data = mRunningInstalls.get(msg.arg1); 988 mRunningInstalls.delete(msg.arg1); 989 boolean deleteOld = false; 990 991 if (data != null) { 992 InstallArgs args = data.args; 993 PackageInstalledInfo res = data.res; 994 995 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 996 res.removedInfo.sendBroadcast(false, true, false); 997 Bundle extras = new Bundle(1); 998 extras.putInt(Intent.EXTRA_UID, res.uid); 999 // Determine the set of users who are adding this 1000 // package for the first time vs. those who are seeing 1001 // an update. 1002 int[] firstUsers; 1003 int[] updateUsers = new int[0]; 1004 if (res.origUsers == null || res.origUsers.length == 0) { 1005 firstUsers = res.newUsers; 1006 } else { 1007 firstUsers = new int[0]; 1008 for (int i=0; i<res.newUsers.length; i++) { 1009 int user = res.newUsers[i]; 1010 boolean isNew = true; 1011 for (int j=0; j<res.origUsers.length; j++) { 1012 if (res.origUsers[j] == user) { 1013 isNew = false; 1014 break; 1015 } 1016 } 1017 if (isNew) { 1018 int[] newFirst = new int[firstUsers.length+1]; 1019 System.arraycopy(firstUsers, 0, newFirst, 0, 1020 firstUsers.length); 1021 newFirst[firstUsers.length] = user; 1022 firstUsers = newFirst; 1023 } else { 1024 int[] newUpdate = new int[updateUsers.length+1]; 1025 System.arraycopy(updateUsers, 0, newUpdate, 0, 1026 updateUsers.length); 1027 newUpdate[updateUsers.length] = user; 1028 updateUsers = newUpdate; 1029 } 1030 } 1031 } 1032 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1033 res.pkg.applicationInfo.packageName, 1034 extras, null, null, firstUsers); 1035 final boolean update = res.removedInfo.removedPackage != null; 1036 if (update) { 1037 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1038 } 1039 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1040 res.pkg.applicationInfo.packageName, 1041 extras, null, null, updateUsers); 1042 if (update) { 1043 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1044 res.pkg.applicationInfo.packageName, 1045 extras, null, null, updateUsers); 1046 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1047 null, null, 1048 res.pkg.applicationInfo.packageName, null, updateUsers); 1049 1050 // treat asec-hosted packages like removable media on upgrade 1051 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1052 if (DEBUG_INSTALL) { 1053 Slog.i(TAG, "upgrading pkg " + res.pkg 1054 + " is ASEC-hosted -> AVAILABLE"); 1055 } 1056 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1057 ArrayList<String> pkgList = new ArrayList<String>(1); 1058 pkgList.add(res.pkg.applicationInfo.packageName); 1059 sendResourcesChangedBroadcast(true, true, 1060 pkgList,uidArray, null); 1061 } 1062 } 1063 if (res.removedInfo.args != null) { 1064 // Remove the replaced package's older resources safely now 1065 deleteOld = true; 1066 } 1067 1068 // Log current value of "unknown sources" setting 1069 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1070 getUnknownSourcesSettings()); 1071 } 1072 // Force a gc to clear up things 1073 Runtime.getRuntime().gc(); 1074 // We delete after a gc for applications on sdcard. 1075 if (deleteOld) { 1076 synchronized (mInstallLock) { 1077 res.removedInfo.args.doPostDeleteLI(true); 1078 } 1079 } 1080 if (args.observer != null) { 1081 try { 1082 Bundle extras = extrasForInstallResult(res); 1083 args.observer.packageInstalled(res.name, extras, res.returnCode); 1084 } catch (RemoteException e) { 1085 Slog.i(TAG, "Observer no longer exists."); 1086 } 1087 } 1088 } else { 1089 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1090 } 1091 } break; 1092 case UPDATED_MEDIA_STATUS: { 1093 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1094 boolean reportStatus = msg.arg1 == 1; 1095 boolean doGc = msg.arg2 == 1; 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1097 if (doGc) { 1098 // Force a gc to clear up stale containers. 1099 Runtime.getRuntime().gc(); 1100 } 1101 if (msg.obj != null) { 1102 @SuppressWarnings("unchecked") 1103 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1104 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1105 // Unload containers 1106 unloadAllContainers(args); 1107 } 1108 if (reportStatus) { 1109 try { 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1111 PackageHelper.getMountService().finishMediaUpdate(); 1112 } catch (RemoteException e) { 1113 Log.e(TAG, "MountService not running?"); 1114 } 1115 } 1116 } break; 1117 case WRITE_SETTINGS: { 1118 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1119 synchronized (mPackages) { 1120 removeMessages(WRITE_SETTINGS); 1121 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1122 mSettings.writeLPr(); 1123 mDirtyUsers.clear(); 1124 } 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } break; 1127 case WRITE_PACKAGE_RESTRICTIONS: { 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1129 synchronized (mPackages) { 1130 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1131 for (int userId : mDirtyUsers) { 1132 mSettings.writePackageRestrictionsLPr(userId); 1133 } 1134 mDirtyUsers.clear(); 1135 } 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 } break; 1138 case CHECK_PENDING_VERIFICATION: { 1139 final int verificationId = msg.arg1; 1140 final PackageVerificationState state = mPendingVerification.get(verificationId); 1141 1142 if ((state != null) && !state.timeoutExtended()) { 1143 final InstallArgs args = state.getInstallArgs(); 1144 final Uri originUri = Uri.fromFile(args.originFile); 1145 1146 Slog.i(TAG, "Verification timed out for " + originUri); 1147 mPendingVerification.remove(verificationId); 1148 1149 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1150 1151 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1152 Slog.i(TAG, "Continuing with installation of " + originUri); 1153 state.setVerifierResponse(Binder.getCallingUid(), 1154 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1155 broadcastPackageVerified(verificationId, originUri, 1156 PackageManager.VERIFICATION_ALLOW, 1157 state.getInstallArgs().getUser()); 1158 try { 1159 ret = args.copyApk(mContainerService, true); 1160 } catch (RemoteException e) { 1161 Slog.e(TAG, "Could not contact the ContainerService"); 1162 } 1163 } else { 1164 broadcastPackageVerified(verificationId, originUri, 1165 PackageManager.VERIFICATION_REJECT, 1166 state.getInstallArgs().getUser()); 1167 } 1168 1169 processPendingInstall(args, ret); 1170 mHandler.sendEmptyMessage(MCS_UNBIND); 1171 } 1172 break; 1173 } 1174 case PACKAGE_VERIFIED: { 1175 final int verificationId = msg.arg1; 1176 1177 final PackageVerificationState state = mPendingVerification.get(verificationId); 1178 if (state == null) { 1179 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1180 break; 1181 } 1182 1183 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1184 1185 state.setVerifierResponse(response.callerUid, response.code); 1186 1187 if (state.isVerificationComplete()) { 1188 mPendingVerification.remove(verificationId); 1189 1190 final InstallArgs args = state.getInstallArgs(); 1191 final Uri originUri = Uri.fromFile(args.originFile); 1192 1193 int ret; 1194 if (state.isInstallAllowed()) { 1195 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1196 broadcastPackageVerified(verificationId, originUri, 1197 response.code, state.getInstallArgs().getUser()); 1198 try { 1199 ret = args.copyApk(mContainerService, true); 1200 } catch (RemoteException e) { 1201 Slog.e(TAG, "Could not contact the ContainerService"); 1202 } 1203 } else { 1204 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1205 } 1206 1207 processPendingInstall(args, ret); 1208 1209 mHandler.sendEmptyMessage(MCS_UNBIND); 1210 } 1211 1212 break; 1213 } 1214 } 1215 } 1216 } 1217 1218 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1219 Bundle extras = null; 1220 switch (res.returnCode) { 1221 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1222 extras = new Bundle(); 1223 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1224 res.origPermission); 1225 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1226 res.origPackage); 1227 break; 1228 } 1229 } 1230 return extras; 1231 } 1232 1233 void scheduleWriteSettingsLocked() { 1234 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1235 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1236 } 1237 } 1238 1239 void scheduleWritePackageRestrictionsLocked(int userId) { 1240 if (!sUserManager.exists(userId)) return; 1241 mDirtyUsers.add(userId); 1242 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1243 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1244 } 1245 } 1246 1247 public static final PackageManagerService main(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 PackageManagerService m = new PackageManagerService(context, installer, 1250 factoryTest, onlyCore); 1251 ServiceManager.addService("package", m); 1252 return m; 1253 } 1254 1255 static String[] splitString(String str, char sep) { 1256 int count = 1; 1257 int i = 0; 1258 while ((i=str.indexOf(sep, i)) >= 0) { 1259 count++; 1260 i++; 1261 } 1262 1263 String[] res = new String[count]; 1264 i=0; 1265 count = 0; 1266 int lastI=0; 1267 while ((i=str.indexOf(sep, i)) >= 0) { 1268 res[count] = str.substring(lastI, i); 1269 count++; 1270 i++; 1271 lastI = i; 1272 } 1273 res[count] = str.substring(lastI, str.length()); 1274 return res; 1275 } 1276 1277 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1278 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1279 Context.DISPLAY_SERVICE); 1280 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1281 } 1282 1283 public PackageManagerService(Context context, Installer installer, 1284 boolean factoryTest, boolean onlyCore) { 1285 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1286 SystemClock.uptimeMillis()); 1287 1288 if (mSdkVersion <= 0) { 1289 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1290 } 1291 1292 mContext = context; 1293 mFactoryTest = factoryTest; 1294 mOnlyCore = onlyCore; 1295 mMetrics = new DisplayMetrics(); 1296 mSettings = new Settings(context); 1297 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1298 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1299 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1300 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1301 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 1310 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1311 if (separateProcesses != null && separateProcesses.length() > 0) { 1312 if ("*".equals(separateProcesses)) { 1313 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1314 mSeparateProcesses = null; 1315 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1316 } else { 1317 mDefParseFlags = 0; 1318 mSeparateProcesses = separateProcesses.split(","); 1319 Slog.w(TAG, "Running with debug.separate_processes: " 1320 + separateProcesses); 1321 } 1322 } else { 1323 mDefParseFlags = 0; 1324 mSeparateProcesses = null; 1325 } 1326 1327 mInstaller = installer; 1328 1329 getDefaultDisplayMetrics(context, mMetrics); 1330 1331 SystemConfig systemConfig = SystemConfig.getInstance(); 1332 mGlobalGids = systemConfig.getGlobalGids(); 1333 mSystemPermissions = systemConfig.getSystemPermissions(); 1334 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1335 1336 synchronized (mInstallLock) { 1337 // writer 1338 synchronized (mPackages) { 1339 mHandlerThread = new ServiceThread(TAG, 1340 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1341 mHandlerThread.start(); 1342 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1343 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1344 1345 File dataDir = Environment.getDataDirectory(); 1346 mAppDataDir = new File(dataDir, "data"); 1347 mAppInstallDir = new File(dataDir, "app"); 1348 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1349 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1350 mUserAppDataDir = new File(dataDir, "user"); 1351 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1352 1353 sUserManager = new UserManagerService(context, this, 1354 mInstallLock, mPackages); 1355 1356 // Propagate permission configuration in to package manager. 1357 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1358 = systemConfig.getPermissions(); 1359 for (int i=0; i<permConfig.size(); i++) { 1360 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1361 BasePermission bp = mSettings.mPermissions.get(perm.name); 1362 if (bp == null) { 1363 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1364 mSettings.mPermissions.put(perm.name, bp); 1365 } 1366 if (perm.gids != null) { 1367 bp.gids = appendInts(bp.gids, perm.gids); 1368 } 1369 } 1370 1371 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1372 for (int i=0; i<libConfig.size(); i++) { 1373 mSharedLibraries.put(libConfig.keyAt(i), 1374 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1375 } 1376 1377 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1378 1379 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1380 mSdkVersion, mOnlyCore); 1381 1382 String customResolverActivity = Resources.getSystem().getString( 1383 R.string.config_customResolverActivity); 1384 if (TextUtils.isEmpty(customResolverActivity)) { 1385 customResolverActivity = null; 1386 } else { 1387 mCustomResolverComponentName = ComponentName.unflattenFromString( 1388 customResolverActivity); 1389 } 1390 1391 long startTime = SystemClock.uptimeMillis(); 1392 1393 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1394 startTime); 1395 1396 // Set flag to monitor and not change apk file paths when 1397 // scanning install directories. 1398 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1399 1400 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1401 1402 /** 1403 * Add everything in the in the boot class path to the 1404 * list of process files because dexopt will have been run 1405 * if necessary during zygote startup. 1406 */ 1407 String bootClassPath = System.getProperty("java.boot.class.path"); 1408 if (bootClassPath != null) { 1409 String[] paths = splitString(bootClassPath, ':'); 1410 for (int i=0; i<paths.length; i++) { 1411 alreadyDexOpted.add(paths[i]); 1412 } 1413 } else { 1414 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1415 } 1416 1417 boolean didDexOptLibraryOrTool = false; 1418 1419 final List<String> instructionSets = getAllInstructionSets(); 1420 1421 /** 1422 * Ensure all external libraries have had dexopt run on them. 1423 */ 1424 if (mSharedLibraries.size() > 0) { 1425 // NOTE: For now, we're compiling these system "shared libraries" 1426 // (and framework jars) into all available architectures. It's possible 1427 // to compile them only when we come across an app that uses them (there's 1428 // already logic for that in scanPackageLI) but that adds some complexity. 1429 for (String instructionSet : instructionSets) { 1430 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1431 final String lib = libEntry.path; 1432 if (lib == null) { 1433 continue; 1434 } 1435 1436 try { 1437 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1438 alreadyDexOpted.add(lib); 1439 1440 // The list of "shared libraries" we have at this point is 1441 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1442 didDexOptLibraryOrTool = true; 1443 } 1444 } catch (FileNotFoundException e) { 1445 Slog.w(TAG, "Library not found: " + lib); 1446 } catch (IOException e) { 1447 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1448 + e.getMessage()); 1449 } 1450 } 1451 } 1452 } 1453 1454 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1455 1456 // Gross hack for now: we know this file doesn't contain any 1457 // code, so don't dexopt it to avoid the resulting log spew. 1458 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1459 1460 // Gross hack for now: we know this file is only part of 1461 // the boot class path for art, so don't dexopt it to 1462 // avoid the resulting log spew. 1463 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1464 1465 /** 1466 * And there are a number of commands implemented in Java, which 1467 * we currently need to do the dexopt on so that they can be 1468 * run from a non-root shell. 1469 */ 1470 String[] frameworkFiles = frameworkDir.list(); 1471 if (frameworkFiles != null) { 1472 // TODO: We could compile these only for the most preferred ABI. We should 1473 // first double check that the dex files for these commands are not referenced 1474 // by other system apps. 1475 for (String instructionSet : instructionSets) { 1476 for (int i=0; i<frameworkFiles.length; i++) { 1477 File libPath = new File(frameworkDir, frameworkFiles[i]); 1478 String path = libPath.getPath(); 1479 // Skip the file if we already did it. 1480 if (alreadyDexOpted.contains(path)) { 1481 continue; 1482 } 1483 // Skip the file if it is not a type we want to dexopt. 1484 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1485 continue; 1486 } 1487 try { 1488 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1489 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1490 didDexOptLibraryOrTool = true; 1491 } 1492 } catch (FileNotFoundException e) { 1493 Slog.w(TAG, "Jar not found: " + path); 1494 } catch (IOException e) { 1495 Slog.w(TAG, "Exception reading jar: " + path, e); 1496 } 1497 } 1498 } 1499 } 1500 1501 if (didDexOptLibraryOrTool) { 1502 // If we dexopted a library or tool, then something on the system has 1503 // changed. Consider this significant, and wipe away all other 1504 // existing dexopt files to ensure we don't leave any dangling around. 1505 // 1506 // TODO: This should be revisited because it isn't as good an indicator 1507 // as it used to be. It used to include the boot classpath but at some point 1508 // DexFile.isDexOptNeeded started returning false for the boot 1509 // class path files in all cases. It is very possible in a 1510 // small maintenance release update that the library and tool 1511 // jars may be unchanged but APK could be removed resulting in 1512 // unused dalvik-cache files. 1513 for (String instructionSet : instructionSets) { 1514 mInstaller.pruneDexCache(instructionSet); 1515 } 1516 1517 // Additionally, delete all dex files from the root directory 1518 // since there shouldn't be any there anyway, unless we're upgrading 1519 // from an older OS version or a build that contained the "old" style 1520 // flat scheme. 1521 mInstaller.pruneDexCache("."); 1522 } 1523 1524 // Collect vendor overlay packages. 1525 // (Do this before scanning any apps.) 1526 // For security and version matching reason, only consider 1527 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1528 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1529 mVendorOverlayInstallObserver = new AppDirObserver( 1530 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1531 mVendorOverlayInstallObserver.startWatching(); 1532 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1533 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1534 1535 // Find base frameworks (resource packages without code). 1536 mFrameworkInstallObserver = new AppDirObserver( 1537 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1538 mFrameworkInstallObserver.startWatching(); 1539 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1540 | PackageParser.PARSE_IS_SYSTEM_DIR 1541 | PackageParser.PARSE_IS_PRIVILEGED, 1542 scanMode | SCAN_NO_DEX, 0); 1543 1544 // Collected privileged system packages. 1545 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1546 mPrivilegedInstallObserver = new AppDirObserver( 1547 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1548 mPrivilegedInstallObserver.startWatching(); 1549 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1550 | PackageParser.PARSE_IS_SYSTEM_DIR 1551 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1552 1553 // Collect ordinary system packages. 1554 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1555 mSystemInstallObserver = new AppDirObserver( 1556 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1557 mSystemInstallObserver.startWatching(); 1558 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1559 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1560 1561 // Collect all vendor packages. 1562 File vendorAppDir = new File("/vendor/app"); 1563 try { 1564 vendorAppDir = vendorAppDir.getCanonicalFile(); 1565 } catch (IOException e) { 1566 // failed to look up canonical path, continue with original one 1567 } 1568 mVendorInstallObserver = new AppDirObserver( 1569 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1570 mVendorInstallObserver.startWatching(); 1571 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1572 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1573 1574 // Collect all OEM packages. 1575 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1576 mOemInstallObserver = new AppDirObserver( 1577 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1578 mOemInstallObserver.startWatching(); 1579 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1580 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1581 1582 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1583 mInstaller.moveFiles(); 1584 1585 // Prune any system packages that no longer exist. 1586 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1587 if (!mOnlyCore) { 1588 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1589 while (psit.hasNext()) { 1590 PackageSetting ps = psit.next(); 1591 1592 /* 1593 * If this is not a system app, it can't be a 1594 * disable system app. 1595 */ 1596 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1597 continue; 1598 } 1599 1600 /* 1601 * If the package is scanned, it's not erased. 1602 */ 1603 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1604 if (scannedPkg != null) { 1605 /* 1606 * If the system app is both scanned and in the 1607 * disabled packages list, then it must have been 1608 * added via OTA. Remove it from the currently 1609 * scanned package so the previously user-installed 1610 * application can be scanned. 1611 */ 1612 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1613 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1614 + "; removing system app"); 1615 removePackageLI(ps, true); 1616 } 1617 1618 continue; 1619 } 1620 1621 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1622 psit.remove(); 1623 String msg = "System package " + ps.name 1624 + " no longer exists; wiping its data"; 1625 reportSettingsProblem(Log.WARN, msg); 1626 removeDataDirsLI(ps.name); 1627 } else { 1628 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1629 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1630 possiblyDeletedUpdatedSystemApps.add(ps.name); 1631 } 1632 } 1633 } 1634 } 1635 1636 //look for any incomplete package installations 1637 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1638 //clean up list 1639 for(int i = 0; i < deletePkgsList.size(); i++) { 1640 //clean up here 1641 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1642 } 1643 //delete tmp files 1644 deleteTempPackageFiles(); 1645 1646 // Remove any shared userIDs that have no associated packages 1647 mSettings.pruneSharedUsersLPw(); 1648 1649 if (!mOnlyCore) { 1650 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1651 SystemClock.uptimeMillis()); 1652 mAppInstallObserver = new AppDirObserver( 1653 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1654 mAppInstallObserver.startWatching(); 1655 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1656 1657 mDrmAppInstallObserver = new AppDirObserver( 1658 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1659 mDrmAppInstallObserver.startWatching(); 1660 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1661 scanMode, 0); 1662 1663 /** 1664 * Remove disable package settings for any updated system 1665 * apps that were removed via an OTA. If they're not a 1666 * previously-updated app, remove them completely. 1667 * Otherwise, just revoke their system-level permissions. 1668 */ 1669 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1670 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1671 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1672 1673 String msg; 1674 if (deletedPkg == null) { 1675 msg = "Updated system package " + deletedAppName 1676 + " no longer exists; wiping its data"; 1677 removeDataDirsLI(deletedAppName); 1678 } else { 1679 msg = "Updated system app + " + deletedAppName 1680 + " no longer present; removing system privileges for " 1681 + deletedAppName; 1682 1683 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1684 1685 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1686 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1687 } 1688 reportSettingsProblem(Log.WARN, msg); 1689 } 1690 } else { 1691 mAppInstallObserver = null; 1692 mDrmAppInstallObserver = null; 1693 } 1694 1695 // Now that we know all of the shared libraries, update all clients to have 1696 // the correct library paths. 1697 updateAllSharedLibrariesLPw(); 1698 1699 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1700 // NOTE: We ignore potential failures here during a system scan (like 1701 // the rest of the commands above) because there's precious little we 1702 // can do about it. A settings error is reported, though. 1703 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1704 false /* force dexopt */, false /* defer dexopt */); 1705 } 1706 1707 // Now that we know all the packages we are keeping, 1708 // read and update their last usage times. 1709 mPackageUsage.readLP(); 1710 1711 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1712 SystemClock.uptimeMillis()); 1713 Slog.i(TAG, "Time to scan packages: " 1714 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1715 + " seconds"); 1716 1717 // If the platform SDK has changed since the last time we booted, 1718 // we need to re-grant app permission to catch any new ones that 1719 // appear. This is really a hack, and means that apps can in some 1720 // cases get permissions that the user didn't initially explicitly 1721 // allow... it would be nice to have some better way to handle 1722 // this situation. 1723 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1724 != mSdkVersion; 1725 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1726 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1727 + "; regranting permissions for internal storage"); 1728 mSettings.mInternalSdkPlatform = mSdkVersion; 1729 1730 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1731 | (regrantPermissions 1732 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1733 : 0)); 1734 1735 // If this is the first boot, and it is a normal boot, then 1736 // we need to initialize the default preferred apps. 1737 if (!mRestoredSettings && !onlyCore) { 1738 mSettings.readDefaultPreferredAppsLPw(this, 0); 1739 } 1740 1741 // All the changes are done during package scanning. 1742 mSettings.updateInternalDatabaseVersion(); 1743 1744 // can downgrade to reader 1745 mSettings.writeLPr(); 1746 1747 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1748 SystemClock.uptimeMillis()); 1749 1750 1751 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1752 } // synchronized (mPackages) 1753 } // synchronized (mInstallLock) 1754 1755 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1756 1757 // Now after opening every single application zip, make sure they 1758 // are all flushed. Not really needed, but keeps things nice and 1759 // tidy. 1760 Runtime.getRuntime().gc(); 1761 } 1762 1763 @Override 1764 public boolean isFirstBoot() { 1765 return !mRestoredSettings; 1766 } 1767 1768 @Override 1769 public boolean isOnlyCoreApps() { 1770 return mOnlyCore; 1771 } 1772 1773 private String getRequiredVerifierLPr() { 1774 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1775 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1776 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1777 1778 String requiredVerifier = null; 1779 1780 final int N = receivers.size(); 1781 for (int i = 0; i < N; i++) { 1782 final ResolveInfo info = receivers.get(i); 1783 1784 if (info.activityInfo == null) { 1785 continue; 1786 } 1787 1788 final String packageName = info.activityInfo.packageName; 1789 1790 final PackageSetting ps = mSettings.mPackages.get(packageName); 1791 if (ps == null) { 1792 continue; 1793 } 1794 1795 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1796 if (!gp.grantedPermissions 1797 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1798 continue; 1799 } 1800 1801 if (requiredVerifier != null) { 1802 throw new RuntimeException("There can be only one required verifier"); 1803 } 1804 1805 requiredVerifier = packageName; 1806 } 1807 1808 return requiredVerifier; 1809 } 1810 1811 @Override 1812 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1813 throws RemoteException { 1814 try { 1815 return super.onTransact(code, data, reply, flags); 1816 } catch (RuntimeException e) { 1817 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1818 Slog.wtf(TAG, "Package Manager Crash", e); 1819 } 1820 throw e; 1821 } 1822 } 1823 1824 void cleanupInstallFailedPackage(PackageSetting ps) { 1825 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1826 removeDataDirsLI(ps.name); 1827 1828 // TODO: try cleaning up codePath directory contents first, since it 1829 // might be a cluster 1830 1831 if (ps.codePath != null) { 1832 if (!ps.codePath.delete()) { 1833 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1834 } 1835 } 1836 if (ps.resourcePath != null) { 1837 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1838 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1839 } 1840 } 1841 mSettings.removePackageLPw(ps.name); 1842 } 1843 1844 static int[] appendInts(int[] cur, int[] add) { 1845 if (add == null) return cur; 1846 if (cur == null) return add; 1847 final int N = add.length; 1848 for (int i=0; i<N; i++) { 1849 cur = appendInt(cur, add[i]); 1850 } 1851 return cur; 1852 } 1853 1854 static int[] removeInts(int[] cur, int[] rem) { 1855 if (rem == null) return cur; 1856 if (cur == null) return cur; 1857 final int N = rem.length; 1858 for (int i=0; i<N; i++) { 1859 cur = removeInt(cur, rem[i]); 1860 } 1861 return cur; 1862 } 1863 1864 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1865 if (!sUserManager.exists(userId)) return null; 1866 final PackageSetting ps = (PackageSetting) p.mExtras; 1867 if (ps == null) { 1868 return null; 1869 } 1870 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1871 final PackageUserState state = ps.readUserState(userId); 1872 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1873 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1874 state, userId); 1875 } 1876 1877 @Override 1878 public boolean isPackageAvailable(String packageName, int userId) { 1879 if (!sUserManager.exists(userId)) return false; 1880 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1881 synchronized (mPackages) { 1882 PackageParser.Package p = mPackages.get(packageName); 1883 if (p != null) { 1884 final PackageSetting ps = (PackageSetting) p.mExtras; 1885 if (ps != null) { 1886 final PackageUserState state = ps.readUserState(userId); 1887 if (state != null) { 1888 return PackageParser.isAvailable(state); 1889 } 1890 } 1891 } 1892 } 1893 return false; 1894 } 1895 1896 @Override 1897 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1898 if (!sUserManager.exists(userId)) return null; 1899 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1900 // reader 1901 synchronized (mPackages) { 1902 PackageParser.Package p = mPackages.get(packageName); 1903 if (DEBUG_PACKAGE_INFO) 1904 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1905 if (p != null) { 1906 return generatePackageInfo(p, flags, userId); 1907 } 1908 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1909 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1910 } 1911 } 1912 return null; 1913 } 1914 1915 @Override 1916 public String[] currentToCanonicalPackageNames(String[] names) { 1917 String[] out = new String[names.length]; 1918 // reader 1919 synchronized (mPackages) { 1920 for (int i=names.length-1; i>=0; i--) { 1921 PackageSetting ps = mSettings.mPackages.get(names[i]); 1922 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1923 } 1924 } 1925 return out; 1926 } 1927 1928 @Override 1929 public String[] canonicalToCurrentPackageNames(String[] names) { 1930 String[] out = new String[names.length]; 1931 // reader 1932 synchronized (mPackages) { 1933 for (int i=names.length-1; i>=0; i--) { 1934 String cur = mSettings.mRenamedPackages.get(names[i]); 1935 out[i] = cur != null ? cur : names[i]; 1936 } 1937 } 1938 return out; 1939 } 1940 1941 @Override 1942 public int getPackageUid(String packageName, int userId) { 1943 if (!sUserManager.exists(userId)) return -1; 1944 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1945 // reader 1946 synchronized (mPackages) { 1947 PackageParser.Package p = mPackages.get(packageName); 1948 if(p != null) { 1949 return UserHandle.getUid(userId, p.applicationInfo.uid); 1950 } 1951 PackageSetting ps = mSettings.mPackages.get(packageName); 1952 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1953 return -1; 1954 } 1955 p = ps.pkg; 1956 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1957 } 1958 } 1959 1960 @Override 1961 public int[] getPackageGids(String packageName) { 1962 // reader 1963 synchronized (mPackages) { 1964 PackageParser.Package p = mPackages.get(packageName); 1965 if (DEBUG_PACKAGE_INFO) 1966 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1967 if (p != null) { 1968 final PackageSetting ps = (PackageSetting)p.mExtras; 1969 return ps.getGids(); 1970 } 1971 } 1972 // stupid thing to indicate an error. 1973 return new int[0]; 1974 } 1975 1976 static final PermissionInfo generatePermissionInfo( 1977 BasePermission bp, int flags) { 1978 if (bp.perm != null) { 1979 return PackageParser.generatePermissionInfo(bp.perm, flags); 1980 } 1981 PermissionInfo pi = new PermissionInfo(); 1982 pi.name = bp.name; 1983 pi.packageName = bp.sourcePackage; 1984 pi.nonLocalizedLabel = bp.name; 1985 pi.protectionLevel = bp.protectionLevel; 1986 return pi; 1987 } 1988 1989 @Override 1990 public PermissionInfo getPermissionInfo(String name, int flags) { 1991 // reader 1992 synchronized (mPackages) { 1993 final BasePermission p = mSettings.mPermissions.get(name); 1994 if (p != null) { 1995 return generatePermissionInfo(p, flags); 1996 } 1997 return null; 1998 } 1999 } 2000 2001 @Override 2002 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2003 // reader 2004 synchronized (mPackages) { 2005 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2006 for (BasePermission p : mSettings.mPermissions.values()) { 2007 if (group == null) { 2008 if (p.perm == null || p.perm.info.group == null) { 2009 out.add(generatePermissionInfo(p, flags)); 2010 } 2011 } else { 2012 if (p.perm != null && group.equals(p.perm.info.group)) { 2013 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2014 } 2015 } 2016 } 2017 2018 if (out.size() > 0) { 2019 return out; 2020 } 2021 return mPermissionGroups.containsKey(group) ? out : null; 2022 } 2023 } 2024 2025 @Override 2026 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2027 // reader 2028 synchronized (mPackages) { 2029 return PackageParser.generatePermissionGroupInfo( 2030 mPermissionGroups.get(name), flags); 2031 } 2032 } 2033 2034 @Override 2035 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2036 // reader 2037 synchronized (mPackages) { 2038 final int N = mPermissionGroups.size(); 2039 ArrayList<PermissionGroupInfo> out 2040 = new ArrayList<PermissionGroupInfo>(N); 2041 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2042 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2043 } 2044 return out; 2045 } 2046 } 2047 2048 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2049 int userId) { 2050 if (!sUserManager.exists(userId)) return null; 2051 PackageSetting ps = mSettings.mPackages.get(packageName); 2052 if (ps != null) { 2053 if (ps.pkg == null) { 2054 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2055 flags, userId); 2056 if (pInfo != null) { 2057 return pInfo.applicationInfo; 2058 } 2059 return null; 2060 } 2061 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2062 ps.readUserState(userId), userId); 2063 } 2064 return null; 2065 } 2066 2067 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2068 int userId) { 2069 if (!sUserManager.exists(userId)) return null; 2070 PackageSetting ps = mSettings.mPackages.get(packageName); 2071 if (ps != null) { 2072 PackageParser.Package pkg = ps.pkg; 2073 if (pkg == null) { 2074 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2075 return null; 2076 } 2077 // Only data remains, so we aren't worried about code paths 2078 pkg = new PackageParser.Package(packageName); 2079 pkg.applicationInfo.packageName = packageName; 2080 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2081 pkg.applicationInfo.dataDir = 2082 getDataPathForPackage(packageName, 0).getPath(); 2083 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2084 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2085 } 2086 return generatePackageInfo(pkg, flags, userId); 2087 } 2088 return null; 2089 } 2090 2091 @Override 2092 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2093 if (!sUserManager.exists(userId)) return null; 2094 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2095 // writer 2096 synchronized (mPackages) { 2097 PackageParser.Package p = mPackages.get(packageName); 2098 if (DEBUG_PACKAGE_INFO) Log.v( 2099 TAG, "getApplicationInfo " + packageName 2100 + ": " + p); 2101 if (p != null) { 2102 PackageSetting ps = mSettings.mPackages.get(packageName); 2103 if (ps == null) return null; 2104 // Note: isEnabledLP() does not apply here - always return info 2105 return PackageParser.generateApplicationInfo( 2106 p, flags, ps.readUserState(userId), userId); 2107 } 2108 if ("android".equals(packageName)||"system".equals(packageName)) { 2109 return mAndroidApplication; 2110 } 2111 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2112 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2113 } 2114 } 2115 return null; 2116 } 2117 2118 2119 @Override 2120 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2121 mContext.enforceCallingOrSelfPermission( 2122 android.Manifest.permission.CLEAR_APP_CACHE, null); 2123 // Queue up an async operation since clearing cache may take a little while. 2124 mHandler.post(new Runnable() { 2125 public void run() { 2126 mHandler.removeCallbacks(this); 2127 int retCode = -1; 2128 synchronized (mInstallLock) { 2129 retCode = mInstaller.freeCache(freeStorageSize); 2130 if (retCode < 0) { 2131 Slog.w(TAG, "Couldn't clear application caches"); 2132 } 2133 } 2134 if (observer != null) { 2135 try { 2136 observer.onRemoveCompleted(null, (retCode >= 0)); 2137 } catch (RemoteException e) { 2138 Slog.w(TAG, "RemoveException when invoking call back"); 2139 } 2140 } 2141 } 2142 }); 2143 } 2144 2145 @Override 2146 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2147 mContext.enforceCallingOrSelfPermission( 2148 android.Manifest.permission.CLEAR_APP_CACHE, null); 2149 // Queue up an async operation since clearing cache may take a little while. 2150 mHandler.post(new Runnable() { 2151 public void run() { 2152 mHandler.removeCallbacks(this); 2153 int retCode = -1; 2154 synchronized (mInstallLock) { 2155 retCode = mInstaller.freeCache(freeStorageSize); 2156 if (retCode < 0) { 2157 Slog.w(TAG, "Couldn't clear application caches"); 2158 } 2159 } 2160 if(pi != null) { 2161 try { 2162 // Callback via pending intent 2163 int code = (retCode >= 0) ? 1 : 0; 2164 pi.sendIntent(null, code, null, 2165 null, null); 2166 } catch (SendIntentException e1) { 2167 Slog.i(TAG, "Failed to send pending intent"); 2168 } 2169 } 2170 } 2171 }); 2172 } 2173 2174 void freeStorage(long freeStorageSize) throws IOException { 2175 synchronized (mInstallLock) { 2176 if (mInstaller.freeCache(freeStorageSize) < 0) { 2177 throw new IOException("Failed to free enough space"); 2178 } 2179 } 2180 } 2181 2182 @Override 2183 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2184 if (!sUserManager.exists(userId)) return null; 2185 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2186 synchronized (mPackages) { 2187 PackageParser.Activity a = mActivities.mActivities.get(component); 2188 2189 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2190 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2191 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2192 if (ps == null) return null; 2193 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2194 userId); 2195 } 2196 if (mResolveComponentName.equals(component)) { 2197 return mResolveActivity; 2198 } 2199 } 2200 return null; 2201 } 2202 2203 @Override 2204 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2205 String resolvedType) { 2206 synchronized (mPackages) { 2207 PackageParser.Activity a = mActivities.mActivities.get(component); 2208 if (a == null) { 2209 return false; 2210 } 2211 for (int i=0; i<a.intents.size(); i++) { 2212 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2213 intent.getData(), intent.getCategories(), TAG) >= 0) { 2214 return true; 2215 } 2216 } 2217 return false; 2218 } 2219 } 2220 2221 @Override 2222 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2223 if (!sUserManager.exists(userId)) return null; 2224 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2225 synchronized (mPackages) { 2226 PackageParser.Activity a = mReceivers.mActivities.get(component); 2227 if (DEBUG_PACKAGE_INFO) Log.v( 2228 TAG, "getReceiverInfo " + component + ": " + a); 2229 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2230 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2231 if (ps == null) return null; 2232 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2233 userId); 2234 } 2235 } 2236 return null; 2237 } 2238 2239 @Override 2240 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2241 if (!sUserManager.exists(userId)) return null; 2242 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2243 synchronized (mPackages) { 2244 PackageParser.Service s = mServices.mServices.get(component); 2245 if (DEBUG_PACKAGE_INFO) Log.v( 2246 TAG, "getServiceInfo " + component + ": " + s); 2247 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2248 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2249 if (ps == null) return null; 2250 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2251 userId); 2252 } 2253 } 2254 return null; 2255 } 2256 2257 @Override 2258 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2259 if (!sUserManager.exists(userId)) return null; 2260 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2261 synchronized (mPackages) { 2262 PackageParser.Provider p = mProviders.mProviders.get(component); 2263 if (DEBUG_PACKAGE_INFO) Log.v( 2264 TAG, "getProviderInfo " + component + ": " + p); 2265 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2266 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2267 if (ps == null) return null; 2268 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2269 userId); 2270 } 2271 } 2272 return null; 2273 } 2274 2275 @Override 2276 public String[] getSystemSharedLibraryNames() { 2277 Set<String> libSet; 2278 synchronized (mPackages) { 2279 libSet = mSharedLibraries.keySet(); 2280 int size = libSet.size(); 2281 if (size > 0) { 2282 String[] libs = new String[size]; 2283 libSet.toArray(libs); 2284 return libs; 2285 } 2286 } 2287 return null; 2288 } 2289 2290 @Override 2291 public FeatureInfo[] getSystemAvailableFeatures() { 2292 Collection<FeatureInfo> featSet; 2293 synchronized (mPackages) { 2294 featSet = mAvailableFeatures.values(); 2295 int size = featSet.size(); 2296 if (size > 0) { 2297 FeatureInfo[] features = new FeatureInfo[size+1]; 2298 featSet.toArray(features); 2299 FeatureInfo fi = new FeatureInfo(); 2300 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2301 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2302 features[size] = fi; 2303 return features; 2304 } 2305 } 2306 return null; 2307 } 2308 2309 @Override 2310 public boolean hasSystemFeature(String name) { 2311 synchronized (mPackages) { 2312 return mAvailableFeatures.containsKey(name); 2313 } 2314 } 2315 2316 private void checkValidCaller(int uid, int userId) { 2317 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2318 return; 2319 2320 throw new SecurityException("Caller uid=" + uid 2321 + " is not privileged to communicate with user=" + userId); 2322 } 2323 2324 @Override 2325 public int checkPermission(String permName, String pkgName) { 2326 synchronized (mPackages) { 2327 PackageParser.Package p = mPackages.get(pkgName); 2328 if (p != null && p.mExtras != null) { 2329 PackageSetting ps = (PackageSetting)p.mExtras; 2330 if (ps.sharedUser != null) { 2331 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2332 return PackageManager.PERMISSION_GRANTED; 2333 } 2334 } else if (ps.grantedPermissions.contains(permName)) { 2335 return PackageManager.PERMISSION_GRANTED; 2336 } 2337 } 2338 } 2339 return PackageManager.PERMISSION_DENIED; 2340 } 2341 2342 @Override 2343 public int checkUidPermission(String permName, int uid) { 2344 synchronized (mPackages) { 2345 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2346 if (obj != null) { 2347 GrantedPermissions gp = (GrantedPermissions)obj; 2348 if (gp.grantedPermissions.contains(permName)) { 2349 return PackageManager.PERMISSION_GRANTED; 2350 } 2351 } else { 2352 HashSet<String> perms = mSystemPermissions.get(uid); 2353 if (perms != null && perms.contains(permName)) { 2354 return PackageManager.PERMISSION_GRANTED; 2355 } 2356 } 2357 } 2358 return PackageManager.PERMISSION_DENIED; 2359 } 2360 2361 /** 2362 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2363 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2364 * @param message the message to log on security exception 2365 */ 2366 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2367 String message) { 2368 if (userId < 0) { 2369 throw new IllegalArgumentException("Invalid userId " + userId); 2370 } 2371 if (userId == UserHandle.getUserId(callingUid)) return; 2372 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2373 if (requireFullPermission) { 2374 mContext.enforceCallingOrSelfPermission( 2375 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2376 } else { 2377 try { 2378 mContext.enforceCallingOrSelfPermission( 2379 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2380 } catch (SecurityException se) { 2381 mContext.enforceCallingOrSelfPermission( 2382 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2383 } 2384 } 2385 } 2386 } 2387 2388 private BasePermission findPermissionTreeLP(String permName) { 2389 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2390 if (permName.startsWith(bp.name) && 2391 permName.length() > bp.name.length() && 2392 permName.charAt(bp.name.length()) == '.') { 2393 return bp; 2394 } 2395 } 2396 return null; 2397 } 2398 2399 private BasePermission checkPermissionTreeLP(String permName) { 2400 if (permName != null) { 2401 BasePermission bp = findPermissionTreeLP(permName); 2402 if (bp != null) { 2403 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2404 return bp; 2405 } 2406 throw new SecurityException("Calling uid " 2407 + Binder.getCallingUid() 2408 + " is not allowed to add to permission tree " 2409 + bp.name + " owned by uid " + bp.uid); 2410 } 2411 } 2412 throw new SecurityException("No permission tree found for " + permName); 2413 } 2414 2415 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2416 if (s1 == null) { 2417 return s2 == null; 2418 } 2419 if (s2 == null) { 2420 return false; 2421 } 2422 if (s1.getClass() != s2.getClass()) { 2423 return false; 2424 } 2425 return s1.equals(s2); 2426 } 2427 2428 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2429 if (pi1.icon != pi2.icon) return false; 2430 if (pi1.logo != pi2.logo) return false; 2431 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2432 if (!compareStrings(pi1.name, pi2.name)) return false; 2433 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2434 // We'll take care of setting this one. 2435 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2436 // These are not currently stored in settings. 2437 //if (!compareStrings(pi1.group, pi2.group)) return false; 2438 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2439 //if (pi1.labelRes != pi2.labelRes) return false; 2440 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2441 return true; 2442 } 2443 2444 int permissionInfoFootprint(PermissionInfo info) { 2445 int size = info.name.length(); 2446 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2447 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2448 return size; 2449 } 2450 2451 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2452 int size = 0; 2453 for (BasePermission perm : mSettings.mPermissions.values()) { 2454 if (perm.uid == tree.uid) { 2455 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2456 } 2457 } 2458 return size; 2459 } 2460 2461 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2462 // We calculate the max size of permissions defined by this uid and throw 2463 // if that plus the size of 'info' would exceed our stated maximum. 2464 if (tree.uid != Process.SYSTEM_UID) { 2465 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2466 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2467 throw new SecurityException("Permission tree size cap exceeded"); 2468 } 2469 } 2470 } 2471 2472 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2473 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2474 throw new SecurityException("Label must be specified in permission"); 2475 } 2476 BasePermission tree = checkPermissionTreeLP(info.name); 2477 BasePermission bp = mSettings.mPermissions.get(info.name); 2478 boolean added = bp == null; 2479 boolean changed = true; 2480 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2481 if (added) { 2482 enforcePermissionCapLocked(info, tree); 2483 bp = new BasePermission(info.name, tree.sourcePackage, 2484 BasePermission.TYPE_DYNAMIC); 2485 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2486 throw new SecurityException( 2487 "Not allowed to modify non-dynamic permission " 2488 + info.name); 2489 } else { 2490 if (bp.protectionLevel == fixedLevel 2491 && bp.perm.owner.equals(tree.perm.owner) 2492 && bp.uid == tree.uid 2493 && comparePermissionInfos(bp.perm.info, info)) { 2494 changed = false; 2495 } 2496 } 2497 bp.protectionLevel = fixedLevel; 2498 info = new PermissionInfo(info); 2499 info.protectionLevel = fixedLevel; 2500 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2501 bp.perm.info.packageName = tree.perm.info.packageName; 2502 bp.uid = tree.uid; 2503 if (added) { 2504 mSettings.mPermissions.put(info.name, bp); 2505 } 2506 if (changed) { 2507 if (!async) { 2508 mSettings.writeLPr(); 2509 } else { 2510 scheduleWriteSettingsLocked(); 2511 } 2512 } 2513 return added; 2514 } 2515 2516 @Override 2517 public boolean addPermission(PermissionInfo info) { 2518 synchronized (mPackages) { 2519 return addPermissionLocked(info, false); 2520 } 2521 } 2522 2523 @Override 2524 public boolean addPermissionAsync(PermissionInfo info) { 2525 synchronized (mPackages) { 2526 return addPermissionLocked(info, true); 2527 } 2528 } 2529 2530 @Override 2531 public void removePermission(String name) { 2532 synchronized (mPackages) { 2533 checkPermissionTreeLP(name); 2534 BasePermission bp = mSettings.mPermissions.get(name); 2535 if (bp != null) { 2536 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2537 throw new SecurityException( 2538 "Not allowed to modify non-dynamic permission " 2539 + name); 2540 } 2541 mSettings.mPermissions.remove(name); 2542 mSettings.writeLPr(); 2543 } 2544 } 2545 } 2546 2547 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2548 int index = pkg.requestedPermissions.indexOf(bp.name); 2549 if (index == -1) { 2550 throw new SecurityException("Package " + pkg.packageName 2551 + " has not requested permission " + bp.name); 2552 } 2553 boolean isNormal = 2554 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2555 == PermissionInfo.PROTECTION_NORMAL); 2556 boolean isDangerous = 2557 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2558 == PermissionInfo.PROTECTION_DANGEROUS); 2559 boolean isDevelopment = 2560 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2561 2562 if (!isNormal && !isDangerous && !isDevelopment) { 2563 throw new SecurityException("Permission " + bp.name 2564 + " is not a changeable permission type"); 2565 } 2566 2567 if (isNormal || isDangerous) { 2568 if (pkg.requestedPermissionsRequired.get(index)) { 2569 throw new SecurityException("Can't change " + bp.name 2570 + ". It is required by the application"); 2571 } 2572 } 2573 } 2574 2575 @Override 2576 public void grantPermission(String packageName, String permissionName) { 2577 mContext.enforceCallingOrSelfPermission( 2578 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2579 synchronized (mPackages) { 2580 final PackageParser.Package pkg = mPackages.get(packageName); 2581 if (pkg == null) { 2582 throw new IllegalArgumentException("Unknown package: " + packageName); 2583 } 2584 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2585 if (bp == null) { 2586 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2587 } 2588 2589 checkGrantRevokePermissions(pkg, bp); 2590 2591 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2592 if (ps == null) { 2593 return; 2594 } 2595 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2596 if (gp.grantedPermissions.add(permissionName)) { 2597 if (ps.haveGids) { 2598 gp.gids = appendInts(gp.gids, bp.gids); 2599 } 2600 mSettings.writeLPr(); 2601 } 2602 } 2603 } 2604 2605 @Override 2606 public void revokePermission(String packageName, String permissionName) { 2607 int changedAppId = -1; 2608 2609 synchronized (mPackages) { 2610 final PackageParser.Package pkg = mPackages.get(packageName); 2611 if (pkg == null) { 2612 throw new IllegalArgumentException("Unknown package: " + packageName); 2613 } 2614 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2615 mContext.enforceCallingOrSelfPermission( 2616 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2617 } 2618 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2619 if (bp == null) { 2620 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2621 } 2622 2623 checkGrantRevokePermissions(pkg, bp); 2624 2625 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2626 if (ps == null) { 2627 return; 2628 } 2629 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2630 if (gp.grantedPermissions.remove(permissionName)) { 2631 gp.grantedPermissions.remove(permissionName); 2632 if (ps.haveGids) { 2633 gp.gids = removeInts(gp.gids, bp.gids); 2634 } 2635 mSettings.writeLPr(); 2636 changedAppId = ps.appId; 2637 } 2638 } 2639 2640 if (changedAppId >= 0) { 2641 // We changed the perm on someone, kill its processes. 2642 IActivityManager am = ActivityManagerNative.getDefault(); 2643 if (am != null) { 2644 final int callingUserId = UserHandle.getCallingUserId(); 2645 final long ident = Binder.clearCallingIdentity(); 2646 try { 2647 //XXX we should only revoke for the calling user's app permissions, 2648 // but for now we impact all users. 2649 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2650 // "revoke " + permissionName); 2651 int[] users = sUserManager.getUserIds(); 2652 for (int user : users) { 2653 am.killUid(UserHandle.getUid(user, changedAppId), 2654 "revoke " + permissionName); 2655 } 2656 } catch (RemoteException e) { 2657 } finally { 2658 Binder.restoreCallingIdentity(ident); 2659 } 2660 } 2661 } 2662 } 2663 2664 @Override 2665 public boolean isProtectedBroadcast(String actionName) { 2666 synchronized (mPackages) { 2667 return mProtectedBroadcasts.contains(actionName); 2668 } 2669 } 2670 2671 @Override 2672 public int checkSignatures(String pkg1, String pkg2) { 2673 synchronized (mPackages) { 2674 final PackageParser.Package p1 = mPackages.get(pkg1); 2675 final PackageParser.Package p2 = mPackages.get(pkg2); 2676 if (p1 == null || p1.mExtras == null 2677 || p2 == null || p2.mExtras == null) { 2678 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2679 } 2680 return compareSignatures(p1.mSignatures, p2.mSignatures); 2681 } 2682 } 2683 2684 @Override 2685 public int checkUidSignatures(int uid1, int uid2) { 2686 // Map to base uids. 2687 uid1 = UserHandle.getAppId(uid1); 2688 uid2 = UserHandle.getAppId(uid2); 2689 // reader 2690 synchronized (mPackages) { 2691 Signature[] s1; 2692 Signature[] s2; 2693 Object obj = mSettings.getUserIdLPr(uid1); 2694 if (obj != null) { 2695 if (obj instanceof SharedUserSetting) { 2696 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2697 } else if (obj instanceof PackageSetting) { 2698 s1 = ((PackageSetting)obj).signatures.mSignatures; 2699 } else { 2700 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2701 } 2702 } else { 2703 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2704 } 2705 obj = mSettings.getUserIdLPr(uid2); 2706 if (obj != null) { 2707 if (obj instanceof SharedUserSetting) { 2708 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2709 } else if (obj instanceof PackageSetting) { 2710 s2 = ((PackageSetting)obj).signatures.mSignatures; 2711 } else { 2712 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2713 } 2714 } else { 2715 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2716 } 2717 return compareSignatures(s1, s2); 2718 } 2719 } 2720 2721 /** 2722 * Compares two sets of signatures. Returns: 2723 * <br /> 2724 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2725 * <br /> 2726 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2727 * <br /> 2728 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2729 * <br /> 2730 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2731 * <br /> 2732 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2733 */ 2734 static int compareSignatures(Signature[] s1, Signature[] s2) { 2735 if (s1 == null) { 2736 return s2 == null 2737 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2738 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2739 } 2740 2741 if (s2 == null) { 2742 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2743 } 2744 2745 if (s1.length != s2.length) { 2746 return PackageManager.SIGNATURE_NO_MATCH; 2747 } 2748 2749 // Since both signature sets are of size 1, we can compare without HashSets. 2750 if (s1.length == 1) { 2751 return s1[0].equals(s2[0]) ? 2752 PackageManager.SIGNATURE_MATCH : 2753 PackageManager.SIGNATURE_NO_MATCH; 2754 } 2755 2756 HashSet<Signature> set1 = new HashSet<Signature>(); 2757 for (Signature sig : s1) { 2758 set1.add(sig); 2759 } 2760 HashSet<Signature> set2 = new HashSet<Signature>(); 2761 for (Signature sig : s2) { 2762 set2.add(sig); 2763 } 2764 // Make sure s2 contains all signatures in s1. 2765 if (set1.equals(set2)) { 2766 return PackageManager.SIGNATURE_MATCH; 2767 } 2768 return PackageManager.SIGNATURE_NO_MATCH; 2769 } 2770 2771 /** 2772 * If the database version for this type of package (internal storage or 2773 * external storage) is less than the version where package signatures 2774 * were updated, return true. 2775 */ 2776 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2777 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2778 DatabaseVersion.SIGNATURE_END_ENTITY)) 2779 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2780 DatabaseVersion.SIGNATURE_END_ENTITY)); 2781 } 2782 2783 /** 2784 * Used for backward compatibility to make sure any packages with 2785 * certificate chains get upgraded to the new style. {@code existingSigs} 2786 * will be in the old format (since they were stored on disk from before the 2787 * system upgrade) and {@code scannedSigs} will be in the newer format. 2788 */ 2789 private int compareSignaturesCompat(PackageSignatures existingSigs, 2790 PackageParser.Package scannedPkg) { 2791 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2792 return PackageManager.SIGNATURE_NO_MATCH; 2793 } 2794 2795 HashSet<Signature> existingSet = new HashSet<Signature>(); 2796 for (Signature sig : existingSigs.mSignatures) { 2797 existingSet.add(sig); 2798 } 2799 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2800 for (Signature sig : scannedPkg.mSignatures) { 2801 try { 2802 Signature[] chainSignatures = sig.getChainSignatures(); 2803 for (Signature chainSig : chainSignatures) { 2804 scannedCompatSet.add(chainSig); 2805 } 2806 } catch (CertificateEncodingException e) { 2807 scannedCompatSet.add(sig); 2808 } 2809 } 2810 /* 2811 * Make sure the expanded scanned set contains all signatures in the 2812 * existing one. 2813 */ 2814 if (scannedCompatSet.equals(existingSet)) { 2815 // Migrate the old signatures to the new scheme. 2816 existingSigs.assignSignatures(scannedPkg.mSignatures); 2817 // The new KeySets will be re-added later in the scanning process. 2818 mSettings.mKeySetManagerService.removeAppKeySetData(scannedPkg.packageName); 2819 return PackageManager.SIGNATURE_MATCH; 2820 } 2821 return PackageManager.SIGNATURE_NO_MATCH; 2822 } 2823 2824 @Override 2825 public String[] getPackagesForUid(int uid) { 2826 uid = UserHandle.getAppId(uid); 2827 // reader 2828 synchronized (mPackages) { 2829 Object obj = mSettings.getUserIdLPr(uid); 2830 if (obj instanceof SharedUserSetting) { 2831 final SharedUserSetting sus = (SharedUserSetting) obj; 2832 final int N = sus.packages.size(); 2833 final String[] res = new String[N]; 2834 final Iterator<PackageSetting> it = sus.packages.iterator(); 2835 int i = 0; 2836 while (it.hasNext()) { 2837 res[i++] = it.next().name; 2838 } 2839 return res; 2840 } else if (obj instanceof PackageSetting) { 2841 final PackageSetting ps = (PackageSetting) obj; 2842 return new String[] { ps.name }; 2843 } 2844 } 2845 return null; 2846 } 2847 2848 @Override 2849 public String getNameForUid(int uid) { 2850 // reader 2851 synchronized (mPackages) { 2852 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2853 if (obj instanceof SharedUserSetting) { 2854 final SharedUserSetting sus = (SharedUserSetting) obj; 2855 return sus.name + ":" + sus.userId; 2856 } else if (obj instanceof PackageSetting) { 2857 final PackageSetting ps = (PackageSetting) obj; 2858 return ps.name; 2859 } 2860 } 2861 return null; 2862 } 2863 2864 @Override 2865 public int getUidForSharedUser(String sharedUserName) { 2866 if(sharedUserName == null) { 2867 return -1; 2868 } 2869 // reader 2870 synchronized (mPackages) { 2871 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2872 if (suid == null) { 2873 return -1; 2874 } 2875 return suid.userId; 2876 } 2877 } 2878 2879 @Override 2880 public int getFlagsForUid(int uid) { 2881 synchronized (mPackages) { 2882 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2883 if (obj instanceof SharedUserSetting) { 2884 final SharedUserSetting sus = (SharedUserSetting) obj; 2885 return sus.pkgFlags; 2886 } else if (obj instanceof PackageSetting) { 2887 final PackageSetting ps = (PackageSetting) obj; 2888 return ps.pkgFlags; 2889 } 2890 } 2891 return 0; 2892 } 2893 2894 @Override 2895 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2896 int flags, int userId) { 2897 if (!sUserManager.exists(userId)) return null; 2898 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2899 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2900 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2901 } 2902 2903 @Override 2904 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2905 IntentFilter filter, int match, ComponentName activity) { 2906 final int userId = UserHandle.getCallingUserId(); 2907 if (DEBUG_PREFERRED) { 2908 Log.v(TAG, "setLastChosenActivity intent=" + intent 2909 + " resolvedType=" + resolvedType 2910 + " flags=" + flags 2911 + " filter=" + filter 2912 + " match=" + match 2913 + " activity=" + activity); 2914 filter.dump(new PrintStreamPrinter(System.out), " "); 2915 } 2916 intent.setComponent(null); 2917 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2918 // Find any earlier preferred or last chosen entries and nuke them 2919 findPreferredActivity(intent, resolvedType, 2920 flags, query, 0, false, true, false, userId); 2921 // Add the new activity as the last chosen for this filter 2922 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2923 } 2924 2925 @Override 2926 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2927 final int userId = UserHandle.getCallingUserId(); 2928 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2929 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2930 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2931 false, false, false, userId); 2932 } 2933 2934 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2935 int flags, List<ResolveInfo> query, int userId) { 2936 if (query != null) { 2937 final int N = query.size(); 2938 if (N == 1) { 2939 return query.get(0); 2940 } else if (N > 1) { 2941 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2942 // If there is more than one activity with the same priority, 2943 // then let the user decide between them. 2944 ResolveInfo r0 = query.get(0); 2945 ResolveInfo r1 = query.get(1); 2946 if (DEBUG_INTENT_MATCHING || debug) { 2947 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2948 + r1.activityInfo.name + "=" + r1.priority); 2949 } 2950 // If the first activity has a higher priority, or a different 2951 // default, then it is always desireable to pick it. 2952 if (r0.priority != r1.priority 2953 || r0.preferredOrder != r1.preferredOrder 2954 || r0.isDefault != r1.isDefault) { 2955 return query.get(0); 2956 } 2957 // If we have saved a preference for a preferred activity for 2958 // this Intent, use that. 2959 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2960 flags, query, r0.priority, true, false, debug, userId); 2961 if (ri != null) { 2962 return ri; 2963 } 2964 if (userId != 0) { 2965 ri = new ResolveInfo(mResolveInfo); 2966 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2967 ri.activityInfo.applicationInfo = new ApplicationInfo( 2968 ri.activityInfo.applicationInfo); 2969 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2970 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2971 return ri; 2972 } 2973 return mResolveInfo; 2974 } 2975 } 2976 return null; 2977 } 2978 2979 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2980 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2981 final int N = query.size(); 2982 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2983 .get(userId); 2984 // Get the list of persistent preferred activities that handle the intent 2985 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2986 List<PersistentPreferredActivity> pprefs = ppir != null 2987 ? ppir.queryIntent(intent, resolvedType, 2988 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2989 : null; 2990 if (pprefs != null && pprefs.size() > 0) { 2991 final int M = pprefs.size(); 2992 for (int i=0; i<M; i++) { 2993 final PersistentPreferredActivity ppa = pprefs.get(i); 2994 if (DEBUG_PREFERRED || debug) { 2995 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2996 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2997 + "\n component=" + ppa.mComponent); 2998 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2999 } 3000 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3001 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3002 if (DEBUG_PREFERRED || debug) { 3003 Slog.v(TAG, "Found persistent preferred activity:"); 3004 if (ai != null) { 3005 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3006 } else { 3007 Slog.v(TAG, " null"); 3008 } 3009 } 3010 if (ai == null) { 3011 // This previously registered persistent preferred activity 3012 // component is no longer known. Ignore it and do NOT remove it. 3013 continue; 3014 } 3015 for (int j=0; j<N; j++) { 3016 final ResolveInfo ri = query.get(j); 3017 if (!ri.activityInfo.applicationInfo.packageName 3018 .equals(ai.applicationInfo.packageName)) { 3019 continue; 3020 } 3021 if (!ri.activityInfo.name.equals(ai.name)) { 3022 continue; 3023 } 3024 // Found a persistent preference that can handle the intent. 3025 if (DEBUG_PREFERRED || debug) { 3026 Slog.v(TAG, "Returning persistent preferred activity: " + 3027 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3028 } 3029 return ri; 3030 } 3031 } 3032 } 3033 return null; 3034 } 3035 3036 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3037 List<ResolveInfo> query, int priority, boolean always, 3038 boolean removeMatches, boolean debug, int userId) { 3039 if (!sUserManager.exists(userId)) return null; 3040 // writer 3041 synchronized (mPackages) { 3042 if (intent.getSelector() != null) { 3043 intent = intent.getSelector(); 3044 } 3045 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3046 3047 // Try to find a matching persistent preferred activity. 3048 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3049 debug, userId); 3050 3051 // If a persistent preferred activity matched, use it. 3052 if (pri != null) { 3053 return pri; 3054 } 3055 3056 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3057 // Get the list of preferred activities that handle the intent 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3059 List<PreferredActivity> prefs = pir != null 3060 ? pir.queryIntent(intent, resolvedType, 3061 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3062 : null; 3063 if (prefs != null && prefs.size() > 0) { 3064 // First figure out how good the original match set is. 3065 // We will only allow preferred activities that came 3066 // from the same match quality. 3067 int match = 0; 3068 3069 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3070 3071 final int N = query.size(); 3072 for (int j=0; j<N; j++) { 3073 final ResolveInfo ri = query.get(j); 3074 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3075 + ": 0x" + Integer.toHexString(match)); 3076 if (ri.match > match) { 3077 match = ri.match; 3078 } 3079 } 3080 3081 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3082 + Integer.toHexString(match)); 3083 3084 match &= IntentFilter.MATCH_CATEGORY_MASK; 3085 final int M = prefs.size(); 3086 for (int i=0; i<M; i++) { 3087 final PreferredActivity pa = prefs.get(i); 3088 if (DEBUG_PREFERRED || debug) { 3089 Slog.v(TAG, "Checking PreferredActivity ds=" 3090 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3091 + "\n component=" + pa.mPref.mComponent); 3092 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3093 } 3094 if (pa.mPref.mMatch != match) { 3095 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3096 + Integer.toHexString(pa.mPref.mMatch)); 3097 continue; 3098 } 3099 // If it's not an "always" type preferred activity and that's what we're 3100 // looking for, skip it. 3101 if (always && !pa.mPref.mAlways) { 3102 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3103 continue; 3104 } 3105 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3106 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3107 if (DEBUG_PREFERRED || debug) { 3108 Slog.v(TAG, "Found preferred activity:"); 3109 if (ai != null) { 3110 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3111 } else { 3112 Slog.v(TAG, " null"); 3113 } 3114 } 3115 if (ai == null) { 3116 // This previously registered preferred activity 3117 // component is no longer known. Most likely an update 3118 // to the app was installed and in the new version this 3119 // component no longer exists. Clean it up by removing 3120 // it from the preferred activities list, and skip it. 3121 Slog.w(TAG, "Removing dangling preferred activity: " 3122 + pa.mPref.mComponent); 3123 pir.removeFilter(pa); 3124 continue; 3125 } 3126 for (int j=0; j<N; j++) { 3127 final ResolveInfo ri = query.get(j); 3128 if (!ri.activityInfo.applicationInfo.packageName 3129 .equals(ai.applicationInfo.packageName)) { 3130 continue; 3131 } 3132 if (!ri.activityInfo.name.equals(ai.name)) { 3133 continue; 3134 } 3135 3136 if (removeMatches) { 3137 pir.removeFilter(pa); 3138 if (DEBUG_PREFERRED) { 3139 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3140 } 3141 break; 3142 } 3143 3144 // Okay we found a previously set preferred or last chosen app. 3145 // If the result set is different from when this 3146 // was created, we need to clear it and re-ask the 3147 // user their preference, if we're looking for an "always" type entry. 3148 if (always && !pa.mPref.sameSet(query, priority)) { 3149 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3150 + intent + " type " + resolvedType); 3151 if (DEBUG_PREFERRED) { 3152 Slog.v(TAG, "Removing preferred activity since set changed " 3153 + pa.mPref.mComponent); 3154 } 3155 pir.removeFilter(pa); 3156 // Re-add the filter as a "last chosen" entry (!always) 3157 PreferredActivity lastChosen = new PreferredActivity( 3158 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3159 pir.addFilter(lastChosen); 3160 mSettings.writePackageRestrictionsLPr(userId); 3161 return null; 3162 } 3163 3164 // Yay! Either the set matched or we're looking for the last chosen 3165 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3166 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3167 mSettings.writePackageRestrictionsLPr(userId); 3168 return ri; 3169 } 3170 } 3171 } 3172 mSettings.writePackageRestrictionsLPr(userId); 3173 } 3174 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3175 return null; 3176 } 3177 3178 /* 3179 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3180 */ 3181 @Override 3182 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3183 int targetUserId) { 3184 mContext.enforceCallingOrSelfPermission( 3185 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3186 List<CrossProfileIntentFilter> matches = 3187 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3188 if (matches != null) { 3189 int size = matches.size(); 3190 for (int i = 0; i < size; i++) { 3191 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3192 } 3193 } 3194 3195 ArrayList<String> packageNames = null; 3196 SparseArray<ArrayList<String>> fromSource = 3197 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3198 if (fromSource != null) { 3199 packageNames = fromSource.get(targetUserId); 3200 } 3201 if (packageNames.contains(intent.getPackage())) { 3202 return true; 3203 } 3204 // We need the package name, so we try to resolve with the loosest flags possible 3205 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3206 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3207 int count = resolveInfos.size(); 3208 for (int i = 0; i < count; i++) { 3209 ResolveInfo resolveInfo = resolveInfos.get(i); 3210 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3211 return true; 3212 } 3213 } 3214 return false; 3215 } 3216 3217 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3218 String resolvedType, int userId) { 3219 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3220 if (resolver != null) { 3221 return resolver.queryIntent(intent, resolvedType, false, userId); 3222 } 3223 return null; 3224 } 3225 3226 @Override 3227 public List<ResolveInfo> queryIntentActivities(Intent intent, 3228 String resolvedType, int flags, int userId) { 3229 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3230 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3231 ComponentName comp = intent.getComponent(); 3232 if (comp == null) { 3233 if (intent.getSelector() != null) { 3234 intent = intent.getSelector(); 3235 comp = intent.getComponent(); 3236 } 3237 } 3238 3239 if (comp != null) { 3240 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3241 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3242 if (ai != null) { 3243 final ResolveInfo ri = new ResolveInfo(); 3244 ri.activityInfo = ai; 3245 list.add(ri); 3246 } 3247 return list; 3248 } 3249 3250 // reader 3251 synchronized (mPackages) { 3252 final String pkgName = intent.getPackage(); 3253 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3254 if (pkgName == null) { 3255 ResolveInfo resolveInfo = null; 3256 if (queryCrossProfile) { 3257 // Check if the intent needs to be forwarded to another user for this package 3258 ArrayList<ResolveInfo> crossProfileResult = 3259 queryIntentActivitiesCrossProfilePackage( 3260 intent, resolvedType, flags, userId); 3261 if (!crossProfileResult.isEmpty()) { 3262 // Skip the current profile 3263 return crossProfileResult; 3264 } 3265 List<CrossProfileIntentFilter> matchingFilters = 3266 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3267 // Check for results that need to skip the current profile. 3268 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3269 resolvedType, flags, userId); 3270 if (resolveInfo != null) { 3271 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3272 result.add(resolveInfo); 3273 return result; 3274 } 3275 // Check for cross profile results. 3276 resolveInfo = queryCrossProfileIntents( 3277 matchingFilters, intent, resolvedType, flags, userId); 3278 } 3279 // Check for results in the current profile. 3280 List<ResolveInfo> result = mActivities.queryIntent( 3281 intent, resolvedType, flags, userId); 3282 if (resolveInfo != null) { 3283 result.add(resolveInfo); 3284 } 3285 return result; 3286 } 3287 final PackageParser.Package pkg = mPackages.get(pkgName); 3288 if (pkg != null) { 3289 if (queryCrossProfile) { 3290 ArrayList<ResolveInfo> crossProfileResult = 3291 queryIntentActivitiesCrossProfilePackage( 3292 intent, resolvedType, flags, userId, pkg, pkgName); 3293 if (!crossProfileResult.isEmpty()) { 3294 // Skip the current profile 3295 return crossProfileResult; 3296 } 3297 } 3298 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3299 pkg.activities, userId); 3300 } 3301 return new ArrayList<ResolveInfo>(); 3302 } 3303 } 3304 3305 private ResolveInfo querySkipCurrentProfileIntents( 3306 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3307 int flags, int sourceUserId) { 3308 if (matchingFilters != null) { 3309 int size = matchingFilters.size(); 3310 for (int i = 0; i < size; i ++) { 3311 CrossProfileIntentFilter filter = matchingFilters.get(i); 3312 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3313 // Checking if there are activities in the target user that can handle the 3314 // intent. 3315 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3316 flags, sourceUserId); 3317 if (resolveInfo != null) { 3318 return resolveInfo; 3319 } 3320 } 3321 } 3322 } 3323 return null; 3324 } 3325 3326 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3327 Intent intent, String resolvedType, int flags, int userId) { 3328 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3329 SparseArray<ArrayList<String>> sourceForwardingInfo = 3330 mSettings.mCrossProfilePackageInfo.get(userId); 3331 if (sourceForwardingInfo != null) { 3332 int NI = sourceForwardingInfo.size(); 3333 for (int i = 0; i < NI; i++) { 3334 int targetUserId = sourceForwardingInfo.keyAt(i); 3335 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3336 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3337 intent, resolvedType, flags, targetUserId); 3338 int NJ = resolveInfos.size(); 3339 for (int j = 0; j < NJ; j++) { 3340 ResolveInfo resolveInfo = resolveInfos.get(j); 3341 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3342 matchingResolveInfos.add(createForwardingResolveInfo( 3343 resolveInfo.filter, userId, targetUserId)); 3344 } 3345 } 3346 } 3347 } 3348 return matchingResolveInfos; 3349 } 3350 3351 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3352 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3353 String packageName) { 3354 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3355 SparseArray<ArrayList<String>> sourceForwardingInfo = 3356 mSettings.mCrossProfilePackageInfo.get(userId); 3357 if (sourceForwardingInfo != null) { 3358 int NI = sourceForwardingInfo.size(); 3359 for (int i = 0; i < NI; i++) { 3360 int targetUserId = sourceForwardingInfo.keyAt(i); 3361 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3362 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3363 intent, resolvedType, flags, pkg.activities, targetUserId); 3364 int NJ = resolveInfos.size(); 3365 for (int j = 0; j < NJ; j++) { 3366 ResolveInfo resolveInfo = resolveInfos.get(j); 3367 matchingResolveInfos.add(createForwardingResolveInfo( 3368 resolveInfo.filter, userId, targetUserId)); 3369 } 3370 } 3371 } 3372 } 3373 return matchingResolveInfos; 3374 } 3375 3376 // Return matching ResolveInfo if any for skip current profile intent filters. 3377 private ResolveInfo queryCrossProfileIntents( 3378 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3379 int flags, int sourceUserId) { 3380 if (matchingFilters != null) { 3381 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3382 // match the same intent. For performance reasons, it is better not to 3383 // run queryIntent twice for the same userId 3384 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3385 int size = matchingFilters.size(); 3386 for (int i = 0; i < size; i++) { 3387 CrossProfileIntentFilter filter = matchingFilters.get(i); 3388 int targetUserId = filter.getTargetUserId(); 3389 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3390 && !alreadyTriedUserIds.get(targetUserId)) { 3391 // Checking if there are activities in the target user that can handle the 3392 // intent. 3393 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3394 flags, sourceUserId); 3395 if (resolveInfo != null) return resolveInfo; 3396 alreadyTriedUserIds.put(targetUserId, true); 3397 } 3398 } 3399 } 3400 return null; 3401 } 3402 3403 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3404 String resolvedType, int flags, int sourceUserId) { 3405 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3406 resolvedType, flags, filter.getTargetUserId()); 3407 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3408 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3409 } 3410 return null; 3411 } 3412 3413 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3414 int sourceUserId, int targetUserId) { 3415 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3416 String className; 3417 if (targetUserId == UserHandle.USER_OWNER) { 3418 className = FORWARD_INTENT_TO_USER_OWNER; 3419 } else { 3420 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3421 } 3422 ComponentName forwardingActivityComponentName = new ComponentName( 3423 mAndroidApplication.packageName, className); 3424 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3425 sourceUserId); 3426 if (targetUserId == UserHandle.USER_OWNER) { 3427 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3428 forwardingResolveInfo.noResourceId = true; 3429 } 3430 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3431 forwardingResolveInfo.priority = 0; 3432 forwardingResolveInfo.preferredOrder = 0; 3433 forwardingResolveInfo.match = 0; 3434 forwardingResolveInfo.isDefault = true; 3435 forwardingResolveInfo.filter = filter; 3436 forwardingResolveInfo.targetUserId = targetUserId; 3437 return forwardingResolveInfo; 3438 } 3439 3440 @Override 3441 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3442 Intent[] specifics, String[] specificTypes, Intent intent, 3443 String resolvedType, int flags, int userId) { 3444 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3445 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3446 "query intent activity options"); 3447 final String resultsAction = intent.getAction(); 3448 3449 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3450 | PackageManager.GET_RESOLVED_FILTER, userId); 3451 3452 if (DEBUG_INTENT_MATCHING) { 3453 Log.v(TAG, "Query " + intent + ": " + results); 3454 } 3455 3456 int specificsPos = 0; 3457 int N; 3458 3459 // todo: note that the algorithm used here is O(N^2). This 3460 // isn't a problem in our current environment, but if we start running 3461 // into situations where we have more than 5 or 10 matches then this 3462 // should probably be changed to something smarter... 3463 3464 // First we go through and resolve each of the specific items 3465 // that were supplied, taking care of removing any corresponding 3466 // duplicate items in the generic resolve list. 3467 if (specifics != null) { 3468 for (int i=0; i<specifics.length; i++) { 3469 final Intent sintent = specifics[i]; 3470 if (sintent == null) { 3471 continue; 3472 } 3473 3474 if (DEBUG_INTENT_MATCHING) { 3475 Log.v(TAG, "Specific #" + i + ": " + sintent); 3476 } 3477 3478 String action = sintent.getAction(); 3479 if (resultsAction != null && resultsAction.equals(action)) { 3480 // If this action was explicitly requested, then don't 3481 // remove things that have it. 3482 action = null; 3483 } 3484 3485 ResolveInfo ri = null; 3486 ActivityInfo ai = null; 3487 3488 ComponentName comp = sintent.getComponent(); 3489 if (comp == null) { 3490 ri = resolveIntent( 3491 sintent, 3492 specificTypes != null ? specificTypes[i] : null, 3493 flags, userId); 3494 if (ri == null) { 3495 continue; 3496 } 3497 if (ri == mResolveInfo) { 3498 // ACK! Must do something better with this. 3499 } 3500 ai = ri.activityInfo; 3501 comp = new ComponentName(ai.applicationInfo.packageName, 3502 ai.name); 3503 } else { 3504 ai = getActivityInfo(comp, flags, userId); 3505 if (ai == null) { 3506 continue; 3507 } 3508 } 3509 3510 // Look for any generic query activities that are duplicates 3511 // of this specific one, and remove them from the results. 3512 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3513 N = results.size(); 3514 int j; 3515 for (j=specificsPos; j<N; j++) { 3516 ResolveInfo sri = results.get(j); 3517 if ((sri.activityInfo.name.equals(comp.getClassName()) 3518 && sri.activityInfo.applicationInfo.packageName.equals( 3519 comp.getPackageName())) 3520 || (action != null && sri.filter.matchAction(action))) { 3521 results.remove(j); 3522 if (DEBUG_INTENT_MATCHING) Log.v( 3523 TAG, "Removing duplicate item from " + j 3524 + " due to specific " + specificsPos); 3525 if (ri == null) { 3526 ri = sri; 3527 } 3528 j--; 3529 N--; 3530 } 3531 } 3532 3533 // Add this specific item to its proper place. 3534 if (ri == null) { 3535 ri = new ResolveInfo(); 3536 ri.activityInfo = ai; 3537 } 3538 results.add(specificsPos, ri); 3539 ri.specificIndex = i; 3540 specificsPos++; 3541 } 3542 } 3543 3544 // Now we go through the remaining generic results and remove any 3545 // duplicate actions that are found here. 3546 N = results.size(); 3547 for (int i=specificsPos; i<N-1; i++) { 3548 final ResolveInfo rii = results.get(i); 3549 if (rii.filter == null) { 3550 continue; 3551 } 3552 3553 // Iterate over all of the actions of this result's intent 3554 // filter... typically this should be just one. 3555 final Iterator<String> it = rii.filter.actionsIterator(); 3556 if (it == null) { 3557 continue; 3558 } 3559 while (it.hasNext()) { 3560 final String action = it.next(); 3561 if (resultsAction != null && resultsAction.equals(action)) { 3562 // If this action was explicitly requested, then don't 3563 // remove things that have it. 3564 continue; 3565 } 3566 for (int j=i+1; j<N; j++) { 3567 final ResolveInfo rij = results.get(j); 3568 if (rij.filter != null && rij.filter.hasAction(action)) { 3569 results.remove(j); 3570 if (DEBUG_INTENT_MATCHING) Log.v( 3571 TAG, "Removing duplicate item from " + j 3572 + " due to action " + action + " at " + i); 3573 j--; 3574 N--; 3575 } 3576 } 3577 } 3578 3579 // If the caller didn't request filter information, drop it now 3580 // so we don't have to marshall/unmarshall it. 3581 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3582 rii.filter = null; 3583 } 3584 } 3585 3586 // Filter out the caller activity if so requested. 3587 if (caller != null) { 3588 N = results.size(); 3589 for (int i=0; i<N; i++) { 3590 ActivityInfo ainfo = results.get(i).activityInfo; 3591 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3592 && caller.getClassName().equals(ainfo.name)) { 3593 results.remove(i); 3594 break; 3595 } 3596 } 3597 } 3598 3599 // If the caller didn't request filter information, 3600 // drop them now so we don't have to 3601 // marshall/unmarshall it. 3602 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3603 N = results.size(); 3604 for (int i=0; i<N; i++) { 3605 results.get(i).filter = null; 3606 } 3607 } 3608 3609 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3610 return results; 3611 } 3612 3613 @Override 3614 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3615 int userId) { 3616 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3617 ComponentName comp = intent.getComponent(); 3618 if (comp == null) { 3619 if (intent.getSelector() != null) { 3620 intent = intent.getSelector(); 3621 comp = intent.getComponent(); 3622 } 3623 } 3624 if (comp != null) { 3625 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3626 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3627 if (ai != null) { 3628 ResolveInfo ri = new ResolveInfo(); 3629 ri.activityInfo = ai; 3630 list.add(ri); 3631 } 3632 return list; 3633 } 3634 3635 // reader 3636 synchronized (mPackages) { 3637 String pkgName = intent.getPackage(); 3638 if (pkgName == null) { 3639 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3640 } 3641 final PackageParser.Package pkg = mPackages.get(pkgName); 3642 if (pkg != null) { 3643 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3644 userId); 3645 } 3646 return null; 3647 } 3648 } 3649 3650 @Override 3651 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3652 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3653 if (!sUserManager.exists(userId)) return null; 3654 if (query != null) { 3655 if (query.size() >= 1) { 3656 // If there is more than one service with the same priority, 3657 // just arbitrarily pick the first one. 3658 return query.get(0); 3659 } 3660 } 3661 return null; 3662 } 3663 3664 @Override 3665 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3666 int userId) { 3667 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3668 ComponentName comp = intent.getComponent(); 3669 if (comp == null) { 3670 if (intent.getSelector() != null) { 3671 intent = intent.getSelector(); 3672 comp = intent.getComponent(); 3673 } 3674 } 3675 if (comp != null) { 3676 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3677 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3678 if (si != null) { 3679 final ResolveInfo ri = new ResolveInfo(); 3680 ri.serviceInfo = si; 3681 list.add(ri); 3682 } 3683 return list; 3684 } 3685 3686 // reader 3687 synchronized (mPackages) { 3688 String pkgName = intent.getPackage(); 3689 if (pkgName == null) { 3690 return mServices.queryIntent(intent, resolvedType, flags, userId); 3691 } 3692 final PackageParser.Package pkg = mPackages.get(pkgName); 3693 if (pkg != null) { 3694 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3695 userId); 3696 } 3697 return null; 3698 } 3699 } 3700 3701 @Override 3702 public List<ResolveInfo> queryIntentContentProviders( 3703 Intent intent, String resolvedType, int flags, int userId) { 3704 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3705 ComponentName comp = intent.getComponent(); 3706 if (comp == null) { 3707 if (intent.getSelector() != null) { 3708 intent = intent.getSelector(); 3709 comp = intent.getComponent(); 3710 } 3711 } 3712 if (comp != null) { 3713 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3714 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3715 if (pi != null) { 3716 final ResolveInfo ri = new ResolveInfo(); 3717 ri.providerInfo = pi; 3718 list.add(ri); 3719 } 3720 return list; 3721 } 3722 3723 // reader 3724 synchronized (mPackages) { 3725 String pkgName = intent.getPackage(); 3726 if (pkgName == null) { 3727 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3728 } 3729 final PackageParser.Package pkg = mPackages.get(pkgName); 3730 if (pkg != null) { 3731 return mProviders.queryIntentForPackage( 3732 intent, resolvedType, flags, pkg.providers, userId); 3733 } 3734 return null; 3735 } 3736 } 3737 3738 @Override 3739 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3740 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3741 3742 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3743 3744 // writer 3745 synchronized (mPackages) { 3746 ArrayList<PackageInfo> list; 3747 if (listUninstalled) { 3748 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3749 for (PackageSetting ps : mSettings.mPackages.values()) { 3750 PackageInfo pi; 3751 if (ps.pkg != null) { 3752 pi = generatePackageInfo(ps.pkg, flags, userId); 3753 } else { 3754 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3755 } 3756 if (pi != null) { 3757 list.add(pi); 3758 } 3759 } 3760 } else { 3761 list = new ArrayList<PackageInfo>(mPackages.size()); 3762 for (PackageParser.Package p : mPackages.values()) { 3763 PackageInfo pi = generatePackageInfo(p, flags, userId); 3764 if (pi != null) { 3765 list.add(pi); 3766 } 3767 } 3768 } 3769 3770 return new ParceledListSlice<PackageInfo>(list); 3771 } 3772 } 3773 3774 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3775 String[] permissions, boolean[] tmp, int flags, int userId) { 3776 int numMatch = 0; 3777 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3778 for (int i=0; i<permissions.length; i++) { 3779 if (gp.grantedPermissions.contains(permissions[i])) { 3780 tmp[i] = true; 3781 numMatch++; 3782 } else { 3783 tmp[i] = false; 3784 } 3785 } 3786 if (numMatch == 0) { 3787 return; 3788 } 3789 PackageInfo pi; 3790 if (ps.pkg != null) { 3791 pi = generatePackageInfo(ps.pkg, flags, userId); 3792 } else { 3793 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3794 } 3795 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3796 if (numMatch == permissions.length) { 3797 pi.requestedPermissions = permissions; 3798 } else { 3799 pi.requestedPermissions = new String[numMatch]; 3800 numMatch = 0; 3801 for (int i=0; i<permissions.length; i++) { 3802 if (tmp[i]) { 3803 pi.requestedPermissions[numMatch] = permissions[i]; 3804 numMatch++; 3805 } 3806 } 3807 } 3808 } 3809 list.add(pi); 3810 } 3811 3812 @Override 3813 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3814 String[] permissions, int flags, int userId) { 3815 if (!sUserManager.exists(userId)) return null; 3816 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3817 3818 // writer 3819 synchronized (mPackages) { 3820 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3821 boolean[] tmpBools = new boolean[permissions.length]; 3822 if (listUninstalled) { 3823 for (PackageSetting ps : mSettings.mPackages.values()) { 3824 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3825 } 3826 } else { 3827 for (PackageParser.Package pkg : mPackages.values()) { 3828 PackageSetting ps = (PackageSetting)pkg.mExtras; 3829 if (ps != null) { 3830 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3831 userId); 3832 } 3833 } 3834 } 3835 3836 return new ParceledListSlice<PackageInfo>(list); 3837 } 3838 } 3839 3840 @Override 3841 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3842 if (!sUserManager.exists(userId)) return null; 3843 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3844 3845 // writer 3846 synchronized (mPackages) { 3847 ArrayList<ApplicationInfo> list; 3848 if (listUninstalled) { 3849 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3850 for (PackageSetting ps : mSettings.mPackages.values()) { 3851 ApplicationInfo ai; 3852 if (ps.pkg != null) { 3853 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3854 ps.readUserState(userId), userId); 3855 } else { 3856 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3857 } 3858 if (ai != null) { 3859 list.add(ai); 3860 } 3861 } 3862 } else { 3863 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3864 for (PackageParser.Package p : mPackages.values()) { 3865 if (p.mExtras != null) { 3866 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3867 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3868 if (ai != null) { 3869 list.add(ai); 3870 } 3871 } 3872 } 3873 } 3874 3875 return new ParceledListSlice<ApplicationInfo>(list); 3876 } 3877 } 3878 3879 public List<ApplicationInfo> getPersistentApplications(int flags) { 3880 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3881 3882 // reader 3883 synchronized (mPackages) { 3884 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3885 final int userId = UserHandle.getCallingUserId(); 3886 while (i.hasNext()) { 3887 final PackageParser.Package p = i.next(); 3888 if (p.applicationInfo != null 3889 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3890 && (!mSafeMode || isSystemApp(p))) { 3891 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3892 if (ps != null) { 3893 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3894 ps.readUserState(userId), userId); 3895 if (ai != null) { 3896 finalList.add(ai); 3897 } 3898 } 3899 } 3900 } 3901 } 3902 3903 return finalList; 3904 } 3905 3906 @Override 3907 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3908 if (!sUserManager.exists(userId)) return null; 3909 // reader 3910 synchronized (mPackages) { 3911 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3912 PackageSetting ps = provider != null 3913 ? mSettings.mPackages.get(provider.owner.packageName) 3914 : null; 3915 return ps != null 3916 && mSettings.isEnabledLPr(provider.info, flags, userId) 3917 && (!mSafeMode || (provider.info.applicationInfo.flags 3918 &ApplicationInfo.FLAG_SYSTEM) != 0) 3919 ? PackageParser.generateProviderInfo(provider, flags, 3920 ps.readUserState(userId), userId) 3921 : null; 3922 } 3923 } 3924 3925 /** 3926 * @deprecated 3927 */ 3928 @Deprecated 3929 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3930 // reader 3931 synchronized (mPackages) { 3932 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3933 .entrySet().iterator(); 3934 final int userId = UserHandle.getCallingUserId(); 3935 while (i.hasNext()) { 3936 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3937 PackageParser.Provider p = entry.getValue(); 3938 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3939 3940 if (ps != null && p.syncable 3941 && (!mSafeMode || (p.info.applicationInfo.flags 3942 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3943 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3944 ps.readUserState(userId), userId); 3945 if (info != null) { 3946 outNames.add(entry.getKey()); 3947 outInfo.add(info); 3948 } 3949 } 3950 } 3951 } 3952 } 3953 3954 @Override 3955 public List<ProviderInfo> queryContentProviders(String processName, 3956 int uid, int flags) { 3957 ArrayList<ProviderInfo> finalList = null; 3958 // reader 3959 synchronized (mPackages) { 3960 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3961 final int userId = processName != null ? 3962 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3963 while (i.hasNext()) { 3964 final PackageParser.Provider p = i.next(); 3965 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3966 if (ps != null && p.info.authority != null 3967 && (processName == null 3968 || (p.info.processName.equals(processName) 3969 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3970 && mSettings.isEnabledLPr(p.info, flags, userId) 3971 && (!mSafeMode 3972 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3973 if (finalList == null) { 3974 finalList = new ArrayList<ProviderInfo>(3); 3975 } 3976 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3977 ps.readUserState(userId), userId); 3978 if (info != null) { 3979 finalList.add(info); 3980 } 3981 } 3982 } 3983 } 3984 3985 if (finalList != null) { 3986 Collections.sort(finalList, mProviderInitOrderSorter); 3987 } 3988 3989 return finalList; 3990 } 3991 3992 @Override 3993 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3994 int flags) { 3995 // reader 3996 synchronized (mPackages) { 3997 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3998 return PackageParser.generateInstrumentationInfo(i, flags); 3999 } 4000 } 4001 4002 @Override 4003 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4004 int flags) { 4005 ArrayList<InstrumentationInfo> finalList = 4006 new ArrayList<InstrumentationInfo>(); 4007 4008 // reader 4009 synchronized (mPackages) { 4010 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4011 while (i.hasNext()) { 4012 final PackageParser.Instrumentation p = i.next(); 4013 if (targetPackage == null 4014 || targetPackage.equals(p.info.targetPackage)) { 4015 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4016 flags); 4017 if (ii != null) { 4018 finalList.add(ii); 4019 } 4020 } 4021 } 4022 } 4023 4024 return finalList; 4025 } 4026 4027 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4028 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4029 if (overlays == null) { 4030 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4031 return; 4032 } 4033 for (PackageParser.Package opkg : overlays.values()) { 4034 // Not much to do if idmap fails: we already logged the error 4035 // and we certainly don't want to abort installation of pkg simply 4036 // because an overlay didn't fit properly. For these reasons, 4037 // ignore the return value of createIdmapForPackagePairLI. 4038 createIdmapForPackagePairLI(pkg, opkg); 4039 } 4040 } 4041 4042 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4043 PackageParser.Package opkg) { 4044 if (!opkg.mTrustedOverlay) { 4045 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4046 opkg.baseCodePath + ": overlay not trusted"); 4047 return false; 4048 } 4049 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4050 if (overlaySet == null) { 4051 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4052 opkg.baseCodePath + " but target package has no known overlays"); 4053 return false; 4054 } 4055 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4056 // TODO: generate idmap for split APKs 4057 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4058 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4059 + opkg.baseCodePath); 4060 return false; 4061 } 4062 PackageParser.Package[] overlayArray = 4063 overlaySet.values().toArray(new PackageParser.Package[0]); 4064 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4065 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4066 return p1.mOverlayPriority - p2.mOverlayPriority; 4067 } 4068 }; 4069 Arrays.sort(overlayArray, cmp); 4070 4071 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4072 int i = 0; 4073 for (PackageParser.Package p : overlayArray) { 4074 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4075 } 4076 return true; 4077 } 4078 4079 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4080 final File[] files = dir.listFiles(); 4081 if (ArrayUtils.isEmpty(files)) { 4082 Log.d(TAG, "No files in app dir " + dir); 4083 return; 4084 } 4085 4086 if (DEBUG_PACKAGE_SCANNING) { 4087 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4088 + " flags=0x" + Integer.toHexString(flags)); 4089 } 4090 4091 for (File file : files) { 4092 final boolean isPackage = isApkFile(file) || file.isDirectory(); 4093 if (!isPackage) { 4094 // Ignore entries which are not apk's 4095 continue; 4096 } 4097 PackageParser.Package pkg = scanPackageLI(file, 4098 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4099 // Don't mess around with apps in system partition. 4100 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4101 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4102 // Delete the apk 4103 Slog.w(TAG, "Cleaning up failed install of " + file); 4104 file.delete(); 4105 } 4106 } 4107 } 4108 4109 private static File getSettingsProblemFile() { 4110 File dataDir = Environment.getDataDirectory(); 4111 File systemDir = new File(dataDir, "system"); 4112 File fname = new File(systemDir, "uiderrors.txt"); 4113 return fname; 4114 } 4115 4116 static void reportSettingsProblem(int priority, String msg) { 4117 try { 4118 File fname = getSettingsProblemFile(); 4119 FileOutputStream out = new FileOutputStream(fname, true); 4120 PrintWriter pw = new FastPrintWriter(out); 4121 SimpleDateFormat formatter = new SimpleDateFormat(); 4122 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4123 pw.println(dateString + ": " + msg); 4124 pw.close(); 4125 FileUtils.setPermissions( 4126 fname.toString(), 4127 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4128 -1, -1); 4129 } catch (java.io.IOException e) { 4130 } 4131 Slog.println(priority, TAG, msg); 4132 } 4133 4134 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4135 PackageParser.Package pkg, File srcFile, int parseFlags) { 4136 if (ps != null 4137 && ps.codePath.equals(srcFile) 4138 && ps.timeStamp == srcFile.lastModified() 4139 && !isCompatSignatureUpdateNeeded(pkg)) { 4140 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4141 if (ps.signatures.mSignatures != null 4142 && ps.signatures.mSignatures.length != 0 4143 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4144 // Optimization: reuse the existing cached certificates 4145 // if the package appears to be unchanged. 4146 pkg.mSignatures = ps.signatures.mSignatures; 4147 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4148 pkg.mSigningKeys = ksms.getPublicKeysFromKeySet(mSigningKeySetId); 4149 return true; 4150 } 4151 4152 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4153 } else { 4154 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4155 } 4156 4157 try { 4158 pp.collectCertificates(pkg, parseFlags); 4159 pp.collectManifestDigest(pkg); 4160 } catch (PackageParserException e) { 4161 Slog.e(TAG, "Failed during collect: " + e); 4162 mLastScanError = e.error; 4163 return false; 4164 } 4165 return true; 4166 } 4167 4168 /* 4169 * Scan a package and return the newly parsed package. 4170 * Returns null in case of errors and the error code is stored in mLastScanError 4171 */ 4172 private PackageParser.Package scanPackageLI(File scanFile, 4173 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4174 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4175 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4176 parseFlags |= mDefParseFlags; 4177 PackageParser pp = new PackageParser(); 4178 pp.setSeparateProcesses(mSeparateProcesses); 4179 pp.setOnlyCoreApps(mOnlyCore); 4180 pp.setDisplayMetrics(mMetrics); 4181 4182 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4183 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4184 } 4185 4186 final PackageParser.Package pkg; 4187 try { 4188 pkg = pp.parsePackage(scanFile, parseFlags); 4189 } catch (PackageParserException e) { 4190 Slog.e(TAG, "Failed during scan: " + e); 4191 mLastScanError = e.error; 4192 return null; 4193 } 4194 4195 PackageSetting ps = null; 4196 PackageSetting updatedPkg; 4197 // reader 4198 synchronized (mPackages) { 4199 // Look to see if we already know about this package. 4200 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4201 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4202 // This package has been renamed to its original name. Let's 4203 // use that. 4204 ps = mSettings.peekPackageLPr(oldName); 4205 } 4206 // If there was no original package, see one for the real package name. 4207 if (ps == null) { 4208 ps = mSettings.peekPackageLPr(pkg.packageName); 4209 } 4210 // Check to see if this package could be hiding/updating a system 4211 // package. Must look for it either under the original or real 4212 // package name depending on our state. 4213 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4214 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4215 } 4216 boolean updatedPkgBetter = false; 4217 // First check if this is a system package that may involve an update 4218 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4219 if (ps != null && !ps.codePath.equals(scanFile)) { 4220 // The path has changed from what was last scanned... check the 4221 // version of the new path against what we have stored to determine 4222 // what to do. 4223 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4224 if (pkg.mVersionCode < ps.versionCode) { 4225 // The system package has been updated and the code path does not match 4226 // Ignore entry. Skip it. 4227 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4228 + " ignored: updated version " + ps.versionCode 4229 + " better than this " + pkg.mVersionCode); 4230 if (!updatedPkg.codePath.equals(scanFile)) { 4231 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4232 + ps.name + " changing from " + updatedPkg.codePathString 4233 + " to " + scanFile); 4234 updatedPkg.codePath = scanFile; 4235 updatedPkg.codePathString = scanFile.toString(); 4236 // This is the point at which we know that the system-disk APK 4237 // for this package has moved during a reboot (e.g. due to an OTA), 4238 // so we need to reevaluate it for privilege policy. 4239 if (locationIsPrivileged(scanFile)) { 4240 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4241 } 4242 } 4243 updatedPkg.pkg = pkg; 4244 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4245 return null; 4246 } else { 4247 // The current app on the system partition is better than 4248 // what we have updated to on the data partition; switch 4249 // back to the system partition version. 4250 // At this point, its safely assumed that package installation for 4251 // apps in system partition will go through. If not there won't be a working 4252 // version of the app 4253 // writer 4254 synchronized (mPackages) { 4255 // Just remove the loaded entries from package lists. 4256 mPackages.remove(ps.name); 4257 } 4258 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4259 + "reverting from " + ps.codePathString 4260 + ": new version " + pkg.mVersionCode 4261 + " better than installed " + ps.versionCode); 4262 4263 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4264 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4265 getAppDexInstructionSets(ps), isMultiArch(ps)); 4266 synchronized (mInstallLock) { 4267 args.cleanUpResourcesLI(); 4268 } 4269 synchronized (mPackages) { 4270 mSettings.enableSystemPackageLPw(ps.name); 4271 } 4272 updatedPkgBetter = true; 4273 } 4274 } 4275 } 4276 4277 if (updatedPkg != null) { 4278 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4279 // initially 4280 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4281 4282 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4283 // flag set initially 4284 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4285 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4286 } 4287 } 4288 // Verify certificates against what was last scanned 4289 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4290 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4291 return null; 4292 } 4293 4294 /* 4295 * A new system app appeared, but we already had a non-system one of the 4296 * same name installed earlier. 4297 */ 4298 boolean shouldHideSystemApp = false; 4299 if (updatedPkg == null && ps != null 4300 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4301 /* 4302 * Check to make sure the signatures match first. If they don't, 4303 * wipe the installed application and its data. 4304 */ 4305 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4306 != PackageManager.SIGNATURE_MATCH) { 4307 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4308 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4309 ps = null; 4310 } else { 4311 /* 4312 * If the newly-added system app is an older version than the 4313 * already installed version, hide it. It will be scanned later 4314 * and re-added like an update. 4315 */ 4316 if (pkg.mVersionCode < ps.versionCode) { 4317 shouldHideSystemApp = true; 4318 } else { 4319 /* 4320 * The newly found system app is a newer version that the 4321 * one previously installed. Simply remove the 4322 * already-installed application and replace it with our own 4323 * while keeping the application data. 4324 */ 4325 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4326 + ps.codePathString + ": new version " + pkg.mVersionCode 4327 + " better than installed " + ps.versionCode); 4328 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4329 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4330 getAppDexInstructionSets(ps), isMultiArch(ps)); 4331 synchronized (mInstallLock) { 4332 args.cleanUpResourcesLI(); 4333 } 4334 } 4335 } 4336 } 4337 4338 // The apk is forward locked (not public) if its code and resources 4339 // are kept in different files. (except for app in either system or 4340 // vendor path). 4341 // TODO grab this value from PackageSettings 4342 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4343 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4344 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4345 } 4346 } 4347 4348 // TODO: extend to support forward-locked splits 4349 String resourcePath = null; 4350 String baseResourcePath = null; 4351 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4352 if (ps != null && ps.resourcePathString != null) { 4353 resourcePath = ps.resourcePathString; 4354 baseResourcePath = ps.resourcePathString; 4355 } else { 4356 // Should not happen at all. Just log an error. 4357 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4358 } 4359 } else { 4360 resourcePath = pkg.codePath; 4361 baseResourcePath = pkg.baseCodePath; 4362 } 4363 4364 // Set application objects path explicitly. 4365 pkg.applicationInfo.setCodePath(pkg.codePath); 4366 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4367 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4368 pkg.applicationInfo.setResourcePath(resourcePath); 4369 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4370 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4371 4372 // Note that we invoke the following method only if we are about to unpack an application 4373 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4374 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4375 4376 /* 4377 * If the system app should be overridden by a previously installed 4378 * data, hide the system app now and let the /data/app scan pick it up 4379 * again. 4380 */ 4381 if (shouldHideSystemApp) { 4382 synchronized (mPackages) { 4383 /* 4384 * We have to grant systems permissions before we hide, because 4385 * grantPermissions will assume the package update is trying to 4386 * expand its permissions. 4387 */ 4388 grantPermissionsLPw(pkg, true); 4389 mSettings.disableSystemPackageLPw(pkg.packageName); 4390 } 4391 } 4392 4393 return scannedPkg; 4394 } 4395 4396 private static String fixProcessName(String defProcessName, 4397 String processName, int uid) { 4398 if (processName == null) { 4399 return defProcessName; 4400 } 4401 return processName; 4402 } 4403 4404 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4405 if (pkgSetting.signatures.mSignatures != null) { 4406 // Already existing package. Make sure signatures match 4407 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4408 == PackageManager.SIGNATURE_MATCH; 4409 if (!match) { 4410 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4411 == PackageManager.SIGNATURE_MATCH; 4412 } 4413 if (!match) { 4414 Slog.e(TAG, "Package " + pkg.packageName 4415 + " signatures do not match the previously installed version; ignoring!"); 4416 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4417 return false; 4418 } 4419 } 4420 4421 // Check for shared user signatures 4422 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4423 // Already existing package. Make sure signatures match 4424 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4425 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4426 if (!match) { 4427 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4428 == PackageManager.SIGNATURE_MATCH; 4429 } 4430 if (!match) { 4431 Slog.e(TAG, "Package " + pkg.packageName 4432 + " has no signatures that match those in shared user " 4433 + pkgSetting.sharedUser.name + "; ignoring!"); 4434 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4435 return false; 4436 } 4437 } 4438 return true; 4439 } 4440 4441 /** 4442 * Enforces that only the system UID or root's UID can call a method exposed 4443 * via Binder. 4444 * 4445 * @param message used as message if SecurityException is thrown 4446 * @throws SecurityException if the caller is not system or root 4447 */ 4448 private static final void enforceSystemOrRoot(String message) { 4449 final int uid = Binder.getCallingUid(); 4450 if (uid != Process.SYSTEM_UID && uid != 0) { 4451 throw new SecurityException(message); 4452 } 4453 } 4454 4455 @Override 4456 public void performBootDexOpt() { 4457 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4458 4459 final HashSet<PackageParser.Package> pkgs; 4460 synchronized (mPackages) { 4461 pkgs = mDeferredDexOpt; 4462 mDeferredDexOpt = null; 4463 } 4464 4465 if (pkgs != null) { 4466 // Filter out packages that aren't recently used. 4467 // 4468 // The exception is first boot of a non-eng device, which 4469 // should do a full dexopt. 4470 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4471 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4472 // TODO: add a property to control this? 4473 long dexOptLRUThresholdInMinutes; 4474 if (eng) { 4475 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4476 } else { 4477 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4478 } 4479 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4480 4481 int total = pkgs.size(); 4482 int skipped = 0; 4483 long now = System.currentTimeMillis(); 4484 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4485 PackageParser.Package pkg = i.next(); 4486 long then = pkg.mLastPackageUsageTimeInMills; 4487 if (then + dexOptLRUThresholdInMills < now) { 4488 if (DEBUG_DEXOPT) { 4489 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4490 ((then == 0) ? "never" : new Date(then))); 4491 } 4492 i.remove(); 4493 skipped++; 4494 } 4495 } 4496 if (DEBUG_DEXOPT) { 4497 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4498 } 4499 } 4500 4501 int i = 0; 4502 for (PackageParser.Package pkg : pkgs) { 4503 i++; 4504 if (DEBUG_DEXOPT) { 4505 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4506 + ": " + pkg.packageName); 4507 } 4508 if (!isFirstBoot()) { 4509 try { 4510 ActivityManagerNative.getDefault().showBootMessage( 4511 mContext.getResources().getString( 4512 R.string.android_upgrading_apk, 4513 i, pkgs.size()), true); 4514 } catch (RemoteException e) { 4515 } 4516 } 4517 PackageParser.Package p = pkg; 4518 synchronized (mInstallLock) { 4519 if (p.mDexOptNeeded) { 4520 performDexOptLI(p, false /* force dex */, false /* defer */, 4521 true /* include dependencies */); 4522 } 4523 } 4524 } 4525 } 4526 } 4527 4528 @Override 4529 public boolean performDexOpt(String packageName) { 4530 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4531 return performDexOpt(packageName, true); 4532 } 4533 4534 public boolean performDexOpt(String packageName, boolean updateUsage) { 4535 4536 PackageParser.Package p; 4537 synchronized (mPackages) { 4538 p = mPackages.get(packageName); 4539 if (p == null) { 4540 return false; 4541 } 4542 if (updateUsage) { 4543 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4544 } 4545 mPackageUsage.write(false); 4546 if (!p.mDexOptNeeded) { 4547 return false; 4548 } 4549 } 4550 4551 synchronized (mInstallLock) { 4552 return performDexOptLI(p, false /* force dex */, false /* defer */, 4553 true /* include dependencies */) == DEX_OPT_PERFORMED; 4554 } 4555 } 4556 4557 public HashSet<String> getPackagesThatNeedDexOpt() { 4558 HashSet<String> pkgs = null; 4559 synchronized (mPackages) { 4560 for (PackageParser.Package p : mPackages.values()) { 4561 if (DEBUG_DEXOPT) { 4562 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4563 } 4564 if (!p.mDexOptNeeded) { 4565 continue; 4566 } 4567 if (pkgs == null) { 4568 pkgs = new HashSet<String>(); 4569 } 4570 pkgs.add(p.packageName); 4571 } 4572 } 4573 return pkgs; 4574 } 4575 4576 public void shutdown() { 4577 mPackageUsage.write(true); 4578 } 4579 4580 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4581 boolean forceDex, boolean defer, HashSet<String> done) { 4582 for (int i=0; i<libs.size(); i++) { 4583 PackageParser.Package libPkg; 4584 String libName; 4585 synchronized (mPackages) { 4586 libName = libs.get(i); 4587 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4588 if (lib != null && lib.apk != null) { 4589 libPkg = mPackages.get(lib.apk); 4590 } else { 4591 libPkg = null; 4592 } 4593 } 4594 if (libPkg != null && !done.contains(libName)) { 4595 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4596 } 4597 } 4598 } 4599 4600 static final int DEX_OPT_SKIPPED = 0; 4601 static final int DEX_OPT_PERFORMED = 1; 4602 static final int DEX_OPT_DEFERRED = 2; 4603 static final int DEX_OPT_FAILED = -1; 4604 4605 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4606 boolean forceDex, boolean defer, HashSet<String> done) { 4607 final String[] instructionSets = targetInstructionSets != null ? 4608 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4609 4610 if (done != null) { 4611 done.add(pkg.packageName); 4612 if (pkg.usesLibraries != null) { 4613 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4614 } 4615 if (pkg.usesOptionalLibraries != null) { 4616 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4617 } 4618 } 4619 4620 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4621 final Collection<String> paths = pkg.getAllCodePaths(); 4622 for (String path : paths) { 4623 for (String instructionSet : instructionSets) { 4624 try { 4625 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4626 pkg.packageName, instructionSet, defer); 4627 // There are three basic cases here: 4628 // 1.) we need to dexopt, either because we are forced or it is needed 4629 // 2.) we are defering a needed dexopt 4630 // 3.) we are skipping an unneeded dexopt 4631 if (forceDex || (!defer && isDexOptNeededInternal)) { 4632 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4633 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4634 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4635 pkg.packageName, instructionSet); 4636 // Note that we ran dexopt, since rerunning will 4637 // probably just result in an error again. 4638 pkg.mDexOptNeeded = false; 4639 if (ret < 0) { 4640 return DEX_OPT_FAILED; 4641 } 4642 return DEX_OPT_PERFORMED; 4643 } 4644 if (defer && isDexOptNeededInternal) { 4645 if (mDeferredDexOpt == null) { 4646 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4647 } 4648 mDeferredDexOpt.add(pkg); 4649 return DEX_OPT_DEFERRED; 4650 } 4651 pkg.mDexOptNeeded = false; 4652 return DEX_OPT_SKIPPED; 4653 } catch (FileNotFoundException e) { 4654 Slog.w(TAG, "Apk not found for dexopt: " + path); 4655 return DEX_OPT_FAILED; 4656 } catch (IOException e) { 4657 Slog.w(TAG, "IOException reading apk: " + path, e); 4658 return DEX_OPT_FAILED; 4659 } catch (StaleDexCacheError e) { 4660 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4661 return DEX_OPT_FAILED; 4662 } catch (Exception e) { 4663 Slog.w(TAG, "Exception when doing dexopt : ", e); 4664 return DEX_OPT_FAILED; 4665 } 4666 } 4667 } 4668 } 4669 return DEX_OPT_SKIPPED; 4670 } 4671 4672 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4673 if (info.primaryCpuAbi != null) { 4674 if (info.secondaryCpuAbi != null) { 4675 return new String[] { 4676 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4677 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4678 } else { 4679 return new String[] { 4680 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4681 } 4682 } 4683 4684 return new String[] { getPreferredInstructionSet() }; 4685 } 4686 4687 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4688 if (ps.primaryCpuAbiString != null) { 4689 if (ps.secondaryCpuAbiString != null) { 4690 return new String[] { ps.primaryCpuAbiString, ps.secondaryCpuAbiString }; 4691 } else { 4692 return new String[] { ps.primaryCpuAbiString }; 4693 } 4694 } 4695 4696 return new String[] { getPreferredInstructionSet() }; 4697 } 4698 4699 private static String getPreferredInstructionSet() { 4700 if (sPreferredInstructionSet == null) { 4701 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4702 } 4703 4704 return sPreferredInstructionSet; 4705 } 4706 4707 private static List<String> getAllInstructionSets() { 4708 final String[] allAbis = Build.SUPPORTED_ABIS; 4709 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4710 4711 for (String abi : allAbis) { 4712 final String instructionSet = VMRuntime.getInstructionSet(abi); 4713 if (!allInstructionSets.contains(instructionSet)) { 4714 allInstructionSets.add(instructionSet); 4715 } 4716 } 4717 4718 return allInstructionSets; 4719 } 4720 4721 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4722 boolean inclDependencies) { 4723 HashSet<String> done; 4724 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4725 done = new HashSet<String>(); 4726 done.add(pkg.packageName); 4727 } else { 4728 done = null; 4729 } 4730 return performDexOptLI(pkg, null /* target instruction sets */, forceDex, defer, done); 4731 } 4732 4733 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4734 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4735 Slog.w(TAG, "Unable to update from " + oldPkg.name 4736 + " to " + newPkg.packageName 4737 + ": old package not in system partition"); 4738 return false; 4739 } else if (mPackages.get(oldPkg.name) != null) { 4740 Slog.w(TAG, "Unable to update from " + oldPkg.name 4741 + " to " + newPkg.packageName 4742 + ": old package still exists"); 4743 return false; 4744 } 4745 return true; 4746 } 4747 4748 File getDataPathForUser(int userId) { 4749 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4750 } 4751 4752 private File getDataPathForPackage(String packageName, int userId) { 4753 /* 4754 * Until we fully support multiple users, return the directory we 4755 * previously would have. The PackageManagerTests will need to be 4756 * revised when this is changed back.. 4757 */ 4758 if (userId == 0) { 4759 return new File(mAppDataDir, packageName); 4760 } else { 4761 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4762 + File.separator + packageName); 4763 } 4764 } 4765 4766 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4767 int[] users = sUserManager.getUserIds(); 4768 int res = mInstaller.install(packageName, uid, uid, seinfo); 4769 if (res < 0) { 4770 return res; 4771 } 4772 for (int user : users) { 4773 if (user != 0) { 4774 res = mInstaller.createUserData(packageName, 4775 UserHandle.getUid(user, uid), user, seinfo); 4776 if (res < 0) { 4777 return res; 4778 } 4779 } 4780 } 4781 return res; 4782 } 4783 4784 private int removeDataDirsLI(String packageName) { 4785 int[] users = sUserManager.getUserIds(); 4786 int res = 0; 4787 for (int user : users) { 4788 int resInner = mInstaller.remove(packageName, user); 4789 if (resInner < 0) { 4790 res = resInner; 4791 } 4792 } 4793 4794 return res; 4795 } 4796 4797 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4798 PackageParser.Package changingLib) { 4799 if (file.path != null) { 4800 usesLibraryFiles.add(file.path); 4801 return; 4802 } 4803 PackageParser.Package p = mPackages.get(file.apk); 4804 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4805 // If we are doing this while in the middle of updating a library apk, 4806 // then we need to make sure to use that new apk for determining the 4807 // dependencies here. (We haven't yet finished committing the new apk 4808 // to the package manager state.) 4809 if (p == null || p.packageName.equals(changingLib.packageName)) { 4810 p = changingLib; 4811 } 4812 } 4813 if (p != null) { 4814 usesLibraryFiles.addAll(p.getAllCodePaths()); 4815 } 4816 } 4817 4818 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4819 PackageParser.Package changingLib) { 4820 // We might be upgrading from a version of the platform that did not 4821 // provide per-package native library directories for system apps. 4822 // Fix that up here. 4823 if (isSystemApp(pkg)) { 4824 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4825 setBundledAppAbisAndRoots(pkg, ps); 4826 } 4827 4828 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4829 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4830 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4831 for (int i=0; i<N; i++) { 4832 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4833 if (file == null) { 4834 Slog.e(TAG, "Package " + pkg.packageName 4835 + " requires unavailable shared library " 4836 + pkg.usesLibraries.get(i) + "; failing!"); 4837 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4838 return false; 4839 } 4840 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4841 } 4842 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4843 for (int i=0; i<N; i++) { 4844 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4845 if (file == null) { 4846 Slog.w(TAG, "Package " + pkg.packageName 4847 + " desires unavailable shared library " 4848 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4849 } else { 4850 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4851 } 4852 } 4853 N = usesLibraryFiles.size(); 4854 if (N > 0) { 4855 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4856 } else { 4857 pkg.usesLibraryFiles = null; 4858 } 4859 } 4860 return true; 4861 } 4862 4863 private static boolean hasString(List<String> list, List<String> which) { 4864 if (list == null) { 4865 return false; 4866 } 4867 for (int i=list.size()-1; i>=0; i--) { 4868 for (int j=which.size()-1; j>=0; j--) { 4869 if (which.get(j).equals(list.get(i))) { 4870 return true; 4871 } 4872 } 4873 } 4874 return false; 4875 } 4876 4877 private void updateAllSharedLibrariesLPw() { 4878 for (PackageParser.Package pkg : mPackages.values()) { 4879 updateSharedLibrariesLPw(pkg, null); 4880 } 4881 } 4882 4883 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4884 PackageParser.Package changingPkg) { 4885 ArrayList<PackageParser.Package> res = null; 4886 for (PackageParser.Package pkg : mPackages.values()) { 4887 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4888 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4889 if (res == null) { 4890 res = new ArrayList<PackageParser.Package>(); 4891 } 4892 res.add(pkg); 4893 updateSharedLibrariesLPw(pkg, changingPkg); 4894 } 4895 } 4896 return res; 4897 } 4898 4899 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4900 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4901 final File scanFile = new File(pkg.codePath); 4902 if (pkg.applicationInfo.getCodePath() == null || 4903 pkg.applicationInfo.getResourcePath() == null) { 4904 // Bail out. The resource and code paths haven't been set. 4905 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4906 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4907 return null; 4908 } 4909 4910 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4911 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4912 } 4913 4914 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4915 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4916 } 4917 4918 if (mCustomResolverComponentName != null && 4919 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4920 setUpCustomResolverActivity(pkg); 4921 } 4922 4923 if (pkg.packageName.equals("android")) { 4924 synchronized (mPackages) { 4925 if (mAndroidApplication != null) { 4926 Slog.w(TAG, "*************************************************"); 4927 Slog.w(TAG, "Core android package being redefined. Skipping."); 4928 Slog.w(TAG, " file=" + scanFile); 4929 Slog.w(TAG, "*************************************************"); 4930 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4931 return null; 4932 } 4933 4934 // Set up information for our fall-back user intent resolution activity. 4935 mPlatformPackage = pkg; 4936 pkg.mVersionCode = mSdkVersion; 4937 mAndroidApplication = pkg.applicationInfo; 4938 4939 if (!mResolverReplaced) { 4940 mResolveActivity.applicationInfo = mAndroidApplication; 4941 mResolveActivity.name = ResolverActivity.class.getName(); 4942 mResolveActivity.packageName = mAndroidApplication.packageName; 4943 mResolveActivity.processName = "system:ui"; 4944 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4945 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4946 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4947 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4948 mResolveActivity.exported = true; 4949 mResolveActivity.enabled = true; 4950 mResolveInfo.activityInfo = mResolveActivity; 4951 mResolveInfo.priority = 0; 4952 mResolveInfo.preferredOrder = 0; 4953 mResolveInfo.match = 0; 4954 mResolveComponentName = new ComponentName( 4955 mAndroidApplication.packageName, mResolveActivity.name); 4956 } 4957 } 4958 } 4959 4960 if (DEBUG_PACKAGE_SCANNING) { 4961 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4962 Log.d(TAG, "Scanning package " + pkg.packageName); 4963 } 4964 4965 if (mPackages.containsKey(pkg.packageName) 4966 || mSharedLibraries.containsKey(pkg.packageName)) { 4967 Slog.w(TAG, "Application package " + pkg.packageName 4968 + " already installed. Skipping duplicate."); 4969 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4970 return null; 4971 } 4972 4973 // Initialize package source and resource directories 4974 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 4975 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 4976 4977 SharedUserSetting suid = null; 4978 PackageSetting pkgSetting = null; 4979 4980 if (!isSystemApp(pkg)) { 4981 // Only system apps can use these features. 4982 pkg.mOriginalPackages = null; 4983 pkg.mRealPackage = null; 4984 pkg.mAdoptPermissions = null; 4985 } 4986 4987 // writer 4988 synchronized (mPackages) { 4989 if (pkg.mSharedUserId != null) { 4990 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4991 if (suid == null) { 4992 Slog.w(TAG, "Creating application package " + pkg.packageName 4993 + " for shared user failed"); 4994 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4995 return null; 4996 } 4997 if (DEBUG_PACKAGE_SCANNING) { 4998 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4999 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5000 + "): packages=" + suid.packages); 5001 } 5002 } 5003 5004 // Check if we are renaming from an original package name. 5005 PackageSetting origPackage = null; 5006 String realName = null; 5007 if (pkg.mOriginalPackages != null) { 5008 // This package may need to be renamed to a previously 5009 // installed name. Let's check on that... 5010 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5011 if (pkg.mOriginalPackages.contains(renamed)) { 5012 // This package had originally been installed as the 5013 // original name, and we have already taken care of 5014 // transitioning to the new one. Just update the new 5015 // one to continue using the old name. 5016 realName = pkg.mRealPackage; 5017 if (!pkg.packageName.equals(renamed)) { 5018 // Callers into this function may have already taken 5019 // care of renaming the package; only do it here if 5020 // it is not already done. 5021 pkg.setPackageName(renamed); 5022 } 5023 5024 } else { 5025 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5026 if ((origPackage = mSettings.peekPackageLPr( 5027 pkg.mOriginalPackages.get(i))) != null) { 5028 // We do have the package already installed under its 5029 // original name... should we use it? 5030 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5031 // New package is not compatible with original. 5032 origPackage = null; 5033 continue; 5034 } else if (origPackage.sharedUser != null) { 5035 // Make sure uid is compatible between packages. 5036 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5037 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5038 + " to " + pkg.packageName + ": old uid " 5039 + origPackage.sharedUser.name 5040 + " differs from " + pkg.mSharedUserId); 5041 origPackage = null; 5042 continue; 5043 } 5044 } else { 5045 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5046 + pkg.packageName + " to old name " + origPackage.name); 5047 } 5048 break; 5049 } 5050 } 5051 } 5052 } 5053 5054 if (mTransferedPackages.contains(pkg.packageName)) { 5055 Slog.w(TAG, "Package " + pkg.packageName 5056 + " was transferred to another, but its .apk remains"); 5057 } 5058 5059 // Just create the setting, don't add it yet. For already existing packages 5060 // the PkgSetting exists already and doesn't have to be created. 5061 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5062 destResourceFile, pkg.applicationInfo.legacyNativeLibraryDir, 5063 pkg.applicationInfo.primaryCpuAbi, 5064 pkg.applicationInfo.secondaryCpuAbi, 5065 pkg.applicationInfo.flags, user, false); 5066 if (pkgSetting == null) { 5067 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5068 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5069 return null; 5070 } 5071 5072 if (pkgSetting.origPackage != null) { 5073 // If we are first transitioning from an original package, 5074 // fix up the new package's name now. We need to do this after 5075 // looking up the package under its new name, so getPackageLP 5076 // can take care of fiddling things correctly. 5077 pkg.setPackageName(origPackage.name); 5078 5079 // File a report about this. 5080 String msg = "New package " + pkgSetting.realName 5081 + " renamed to replace old package " + pkgSetting.name; 5082 reportSettingsProblem(Log.WARN, msg); 5083 5084 // Make a note of it. 5085 mTransferedPackages.add(origPackage.name); 5086 5087 // No longer need to retain this. 5088 pkgSetting.origPackage = null; 5089 } 5090 5091 if (realName != null) { 5092 // Make a note of it. 5093 mTransferedPackages.add(pkg.packageName); 5094 } 5095 5096 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5097 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5098 } 5099 5100 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5101 // Check all shared libraries and map to their actual file path. 5102 // We only do this here for apps not on a system dir, because those 5103 // are the only ones that can fail an install due to this. We 5104 // will take care of the system apps by updating all of their 5105 // library paths after the scan is done. 5106 if (!updateSharedLibrariesLPw(pkg, null)) { 5107 return null; 5108 } 5109 } 5110 5111 if (mFoundPolicyFile) { 5112 SELinuxMMAC.assignSeinfoValue(pkg); 5113 } 5114 5115 pkg.applicationInfo.uid = pkgSetting.appId; 5116 pkg.mExtras = pkgSetting; 5117 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5118 if (!verifySignaturesLP(pkgSetting, pkg)) { 5119 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5120 return null; 5121 } 5122 // The signature has changed, but this package is in the system 5123 // image... let's recover! 5124 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5125 // However... if this package is part of a shared user, but it 5126 // doesn't match the signature of the shared user, let's fail. 5127 // What this means is that you can't change the signatures 5128 // associated with an overall shared user, which doesn't seem all 5129 // that unreasonable. 5130 if (pkgSetting.sharedUser != null) { 5131 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5132 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5133 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5134 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5135 return null; 5136 } 5137 } 5138 // File a report about this. 5139 String msg = "System package " + pkg.packageName 5140 + " signature changed; retaining data."; 5141 reportSettingsProblem(Log.WARN, msg); 5142 } 5143 } else { 5144 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5145 Slog.e(TAG, "Package " + pkg.packageName 5146 + " upgrade keys do not match the previously installed version; "); 5147 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5148 return null; 5149 } else { 5150 // signatures may have changed as result of upgrade 5151 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5152 } 5153 } 5154 // Verify that this new package doesn't have any content providers 5155 // that conflict with existing packages. Only do this if the 5156 // package isn't already installed, since we don't want to break 5157 // things that are installed. 5158 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5159 final int N = pkg.providers.size(); 5160 int i; 5161 for (i=0; i<N; i++) { 5162 PackageParser.Provider p = pkg.providers.get(i); 5163 if (p.info.authority != null) { 5164 String names[] = p.info.authority.split(";"); 5165 for (int j = 0; j < names.length; j++) { 5166 if (mProvidersByAuthority.containsKey(names[j])) { 5167 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5168 Slog.w(TAG, "Can't install because provider name " + names[j] + 5169 " (in package " + pkg.applicationInfo.packageName + 5170 ") is already used by " 5171 + ((other != null && other.getComponentName() != null) 5172 ? other.getComponentName().getPackageName() : "?")); 5173 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5174 return null; 5175 } 5176 } 5177 } 5178 } 5179 } 5180 5181 if (pkg.mAdoptPermissions != null) { 5182 // This package wants to adopt ownership of permissions from 5183 // another package. 5184 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5185 final String origName = pkg.mAdoptPermissions.get(i); 5186 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5187 if (orig != null) { 5188 if (verifyPackageUpdateLPr(orig, pkg)) { 5189 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5190 + pkg.packageName); 5191 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5192 } 5193 } 5194 } 5195 } 5196 } 5197 5198 final String pkgName = pkg.packageName; 5199 5200 final long scanFileTime = scanFile.lastModified(); 5201 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5202 pkg.applicationInfo.processName = fixProcessName( 5203 pkg.applicationInfo.packageName, 5204 pkg.applicationInfo.processName, 5205 pkg.applicationInfo.uid); 5206 5207 File dataPath; 5208 if (mPlatformPackage == pkg) { 5209 // The system package is special. 5210 dataPath = new File (Environment.getDataDirectory(), "system"); 5211 pkg.applicationInfo.dataDir = dataPath.getPath(); 5212 } else { 5213 // This is a normal package, need to make its data directory. 5214 dataPath = getDataPathForPackage(pkg.packageName, 0); 5215 5216 boolean uidError = false; 5217 5218 if (dataPath.exists()) { 5219 int currentUid = 0; 5220 try { 5221 StructStat stat = Os.stat(dataPath.getPath()); 5222 currentUid = stat.st_uid; 5223 } catch (ErrnoException e) { 5224 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5225 } 5226 5227 // If we have mismatched owners for the data path, we have a problem. 5228 if (currentUid != pkg.applicationInfo.uid) { 5229 boolean recovered = false; 5230 if (currentUid == 0) { 5231 // The directory somehow became owned by root. Wow. 5232 // This is probably because the system was stopped while 5233 // installd was in the middle of messing with its libs 5234 // directory. Ask installd to fix that. 5235 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5236 pkg.applicationInfo.uid); 5237 if (ret >= 0) { 5238 recovered = true; 5239 String msg = "Package " + pkg.packageName 5240 + " unexpectedly changed to uid 0; recovered to " + 5241 + pkg.applicationInfo.uid; 5242 reportSettingsProblem(Log.WARN, msg); 5243 } 5244 } 5245 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5246 || (scanMode&SCAN_BOOTING) != 0)) { 5247 // If this is a system app, we can at least delete its 5248 // current data so the application will still work. 5249 int ret = removeDataDirsLI(pkgName); 5250 if (ret >= 0) { 5251 // TODO: Kill the processes first 5252 // Old data gone! 5253 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5254 ? "System package " : "Third party package "; 5255 String msg = prefix + pkg.packageName 5256 + " has changed from uid: " 5257 + currentUid + " to " 5258 + pkg.applicationInfo.uid + "; old data erased"; 5259 reportSettingsProblem(Log.WARN, msg); 5260 recovered = true; 5261 5262 // And now re-install the app. 5263 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5264 pkg.applicationInfo.seinfo); 5265 if (ret == -1) { 5266 // Ack should not happen! 5267 msg = prefix + pkg.packageName 5268 + " could not have data directory re-created after delete."; 5269 reportSettingsProblem(Log.WARN, msg); 5270 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5271 return null; 5272 } 5273 } 5274 if (!recovered) { 5275 mHasSystemUidErrors = true; 5276 } 5277 } else if (!recovered) { 5278 // If we allow this install to proceed, we will be broken. 5279 // Abort, abort! 5280 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5281 return null; 5282 } 5283 if (!recovered) { 5284 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5285 + pkg.applicationInfo.uid + "/fs_" 5286 + currentUid; 5287 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5288 pkg.applicationInfo.legacyNativeLibraryDir = pkg.applicationInfo.dataDir; 5289 String msg = "Package " + pkg.packageName 5290 + " has mismatched uid: " 5291 + currentUid + " on disk, " 5292 + pkg.applicationInfo.uid + " in settings"; 5293 // writer 5294 synchronized (mPackages) { 5295 mSettings.mReadMessages.append(msg); 5296 mSettings.mReadMessages.append('\n'); 5297 uidError = true; 5298 if (!pkgSetting.uidError) { 5299 reportSettingsProblem(Log.ERROR, msg); 5300 } 5301 } 5302 } 5303 } 5304 pkg.applicationInfo.dataDir = dataPath.getPath(); 5305 if (mShouldRestoreconData) { 5306 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5307 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5308 pkg.applicationInfo.uid); 5309 } 5310 } else { 5311 if (DEBUG_PACKAGE_SCANNING) { 5312 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5313 Log.v(TAG, "Want this data dir: " + dataPath); 5314 } 5315 //invoke installer to do the actual installation 5316 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5317 pkg.applicationInfo.seinfo); 5318 if (ret < 0) { 5319 // Error from installer 5320 Slog.w(TAG, "Unable to create data dirs [errorCode=" + ret + "]"); 5321 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5322 return null; 5323 } 5324 5325 if (dataPath.exists()) { 5326 pkg.applicationInfo.dataDir = dataPath.getPath(); 5327 } else { 5328 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5329 pkg.applicationInfo.dataDir = null; 5330 } 5331 } 5332 5333 pkgSetting.uidError = uidError; 5334 } 5335 5336 final String path = scanFile.getPath(); 5337 final String codePath = pkg.applicationInfo.getCodePath(); 5338 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5339 // For the case where we had previously uninstalled an update, get rid 5340 // of any native binaries we might have unpackaged. Note that this assumes 5341 // that system app updates were not installed via ASEC. 5342 // 5343 // TODO(multiArch): Is this cleanup really necessary ? 5344 NativeLibraryHelper.removeNativeBinariesFromDirLI( 5345 new File(codePath, LIB_DIR_NAME), false /* delete dirs */); 5346 setBundledAppAbisAndRoots(pkg, pkgSetting); 5347 } else { 5348 // TODO: We can probably be smarter about this stuff. For installed apps, 5349 // we can calculate this information at install time once and for all. For 5350 // system apps, we can probably assume that this information doesn't change 5351 // after the first boot scan. As things stand, we do lots of unnecessary work. 5352 5353 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5354 final String nativeLibraryRootStr; 5355 final boolean useIsaSpecificSubdirs; 5356 if (pkg.applicationInfo.legacyNativeLibraryDir != null) { 5357 nativeLibraryRootStr = pkg.applicationInfo.legacyNativeLibraryDir; 5358 useIsaSpecificSubdirs = false; 5359 } else { 5360 nativeLibraryRootStr = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath(); 5361 useIsaSpecificSubdirs = true; 5362 } 5363 5364 NativeLibraryHelper.Handle handle = null; 5365 try { 5366 handle = NativeLibraryHelper.Handle.create(scanFile); 5367 // TODO(multiArch): This can be null for apps that didn't go through the 5368 // usual installation process. We can calculate it again, like we 5369 // do during install time. 5370 // 5371 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5372 // unnecessary. 5373 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5374 5375 // Null out the abis so that they can be recalculated. 5376 pkg.applicationInfo.primaryCpuAbi = null; 5377 pkg.applicationInfo.secondaryCpuAbi = null; 5378 if (isMultiArch(pkg.applicationInfo)) { 5379 // Warn if we've set an abiOverride for multi-lib packages.. 5380 // By definition, we need to copy both 32 and 64 bit libraries for 5381 // such packages. 5382 if (abiOverride != null) { 5383 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5384 } 5385 5386 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5387 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5388 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5389 if (isAsec) { 5390 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5391 } else { 5392 abi32 = copyNativeLibrariesForInternalApp(handle, 5393 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs); 5394 } 5395 } 5396 5397 if (abi32 < 0 && abi32 != PackageManager.NO_NATIVE_LIBRARIES) { 5398 Slog.w(TAG, "Error unpackaging 32 bit native libs for multiarch app, errorCode=" + abi32); 5399 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5400 return null; 5401 } 5402 5403 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5404 if (isAsec) { 5405 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5406 } else { 5407 abi64 = copyNativeLibrariesForInternalApp(handle, 5408 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs); 5409 } 5410 } 5411 5412 if (abi64 < 0 && abi64 != PackageManager.NO_NATIVE_LIBRARIES) { 5413 Slog.w(TAG, "Error unpackaging 64 bit native libs for multiarch app, errorCode=" + abi32); 5414 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5415 return null; 5416 } 5417 5418 5419 if (abi64 >= 0) { 5420 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5421 } 5422 5423 if (abi32 >= 0) { 5424 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5425 if (abi64 >= 0) { 5426 pkg.applicationInfo.secondaryCpuAbi = abi; 5427 } else { 5428 pkg.applicationInfo.primaryCpuAbi = abi; 5429 } 5430 } 5431 } else { 5432 String[] abiList = (abiOverride != null) ? 5433 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 5434 5435 // Enable gross and lame hacks for apps that are built with old 5436 // SDK tools. We must scan their APKs for renderscript bitcode and 5437 // not launch them if it's present. Don't bother checking on devices 5438 // that don't have 64 bit support. 5439 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 5440 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5441 abiList = Build.SUPPORTED_32_BIT_ABIS; 5442 } 5443 5444 final int copyRet; 5445 if (isAsec) { 5446 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5447 } else { 5448 copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList, 5449 useIsaSpecificSubdirs); 5450 } 5451 5452 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5453 Slog.w(TAG, "Error unpackaging native libs for app, errorCode=" + copyRet); 5454 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5455 return null; 5456 } 5457 5458 if (copyRet >= 0) { 5459 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5460 } 5461 } 5462 } catch (IOException ioe) { 5463 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5464 } finally { 5465 IoUtils.closeQuietly(handle); 5466 } 5467 5468 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5469 final int[] userIds = sUserManager.getUserIds(); 5470 synchronized (mInstallLock) { 5471 // Create a native library symlink only if we have native libraries 5472 // and if the native libraries are 32 bit libraries. We do not provide 5473 // this symlink for 64 bit libraries. 5474 if (pkg.applicationInfo.primaryCpuAbi != null && 5475 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5476 final String nativeLibPath; 5477 if (pkg.applicationInfo.legacyNativeLibraryDir != null) { 5478 nativeLibPath = pkg.applicationInfo.legacyNativeLibraryDir; 5479 } else { 5480 nativeLibPath = new File(nativeLibraryRootStr, 5481 VMRuntime.getInstructionSet(pkg.applicationInfo.primaryCpuAbi)).getAbsolutePath(); 5482 } 5483 5484 for (int userId : userIds) { 5485 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5486 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5487 + ")"); 5488 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5489 return null; 5490 } 5491 } 5492 } 5493 } 5494 5495 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5496 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5497 } 5498 5499 if (DEBUG_ABI_SELECTION) { 5500 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5501 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5502 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5503 } 5504 5505 // Check if we have a legacy native library path, use it if we do. 5506 pkg.applicationInfo.legacyNativeLibraryDir = pkgSetting.legacyNativeLibraryPathString; 5507 5508 // Now that we've calculated the ABIs and determined if it's an internal app, 5509 // we will go ahead and populate the nativeLibraryPath. 5510 populateDefaultNativeLibraryPath(pkg, pkg.applicationInfo); 5511 5512 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5513 // We don't do this here during boot because we can do it all 5514 // at once after scanning all existing packages. 5515 // 5516 // We also do this *before* we perform dexopt on this package, so that 5517 // we can avoid redundant dexopts, and also to make sure we've got the 5518 // code and package path correct. 5519 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5520 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5521 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5522 return null; 5523 } 5524 } 5525 5526 if ((scanMode&SCAN_NO_DEX) == 0) { 5527 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5528 == DEX_OPT_FAILED) { 5529 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5530 removeDataDirsLI(pkg.packageName); 5531 } 5532 5533 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5534 return null; 5535 } 5536 } 5537 5538 if (mFactoryTest && pkg.requestedPermissions.contains( 5539 android.Manifest.permission.FACTORY_TEST)) { 5540 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5541 } 5542 5543 ArrayList<PackageParser.Package> clientLibPkgs = null; 5544 5545 // writer 5546 synchronized (mPackages) { 5547 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5548 // Only system apps can add new shared libraries. 5549 if (pkg.libraryNames != null) { 5550 for (int i=0; i<pkg.libraryNames.size(); i++) { 5551 String name = pkg.libraryNames.get(i); 5552 boolean allowed = false; 5553 if (isUpdatedSystemApp(pkg)) { 5554 // New library entries can only be added through the 5555 // system image. This is important to get rid of a lot 5556 // of nasty edge cases: for example if we allowed a non- 5557 // system update of the app to add a library, then uninstalling 5558 // the update would make the library go away, and assumptions 5559 // we made such as through app install filtering would now 5560 // have allowed apps on the device which aren't compatible 5561 // with it. Better to just have the restriction here, be 5562 // conservative, and create many fewer cases that can negatively 5563 // impact the user experience. 5564 final PackageSetting sysPs = mSettings 5565 .getDisabledSystemPkgLPr(pkg.packageName); 5566 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5567 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5568 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5569 allowed = true; 5570 allowed = true; 5571 break; 5572 } 5573 } 5574 } 5575 } else { 5576 allowed = true; 5577 } 5578 if (allowed) { 5579 if (!mSharedLibraries.containsKey(name)) { 5580 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5581 } else if (!name.equals(pkg.packageName)) { 5582 Slog.w(TAG, "Package " + pkg.packageName + " library " 5583 + name + " already exists; skipping"); 5584 } 5585 } else { 5586 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5587 + name + " that is not declared on system image; skipping"); 5588 } 5589 } 5590 if ((scanMode&SCAN_BOOTING) == 0) { 5591 // If we are not booting, we need to update any applications 5592 // that are clients of our shared library. If we are booting, 5593 // this will all be done once the scan is complete. 5594 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5595 } 5596 } 5597 } 5598 } 5599 5600 // We also need to dexopt any apps that are dependent on this library. Note that 5601 // if these fail, we should abort the install since installing the library will 5602 // result in some apps being broken. 5603 if (clientLibPkgs != null) { 5604 if ((scanMode&SCAN_NO_DEX) == 0) { 5605 for (int i=0; i<clientLibPkgs.size(); i++) { 5606 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5607 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5608 == DEX_OPT_FAILED) { 5609 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5610 removeDataDirsLI(pkg.packageName); 5611 } 5612 5613 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5614 return null; 5615 } 5616 } 5617 } 5618 } 5619 5620 // Request the ActivityManager to kill the process(only for existing packages) 5621 // so that we do not end up in a confused state while the user is still using the older 5622 // version of the application while the new one gets installed. 5623 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5624 // If the package lives in an asec, tell everyone that the container is going 5625 // away so they can clean up any references to its resources (which would prevent 5626 // vold from being able to unmount the asec) 5627 if (isForwardLocked(pkg) || isExternal(pkg)) { 5628 if (DEBUG_INSTALL) { 5629 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5630 } 5631 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5632 final ArrayList<String> pkgList = new ArrayList<String>(1); 5633 pkgList.add(pkg.applicationInfo.packageName); 5634 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5635 } 5636 5637 // Post the request that it be killed now that the going-away broadcast is en route 5638 killApplication(pkg.applicationInfo.packageName, 5639 pkg.applicationInfo.uid, "update pkg"); 5640 } 5641 5642 // Also need to kill any apps that are dependent on the library. 5643 if (clientLibPkgs != null) { 5644 for (int i=0; i<clientLibPkgs.size(); i++) { 5645 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5646 killApplication(clientPkg.applicationInfo.packageName, 5647 clientPkg.applicationInfo.uid, "update lib"); 5648 } 5649 } 5650 5651 // writer 5652 synchronized (mPackages) { 5653 // We don't expect installation to fail beyond this point, 5654 if ((scanMode&SCAN_MONITOR) != 0) { 5655 mAppDirs.put(pkg.codePath, pkg); 5656 } 5657 // Add the new setting to mSettings 5658 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5659 // Add the new setting to mPackages 5660 mPackages.put(pkg.applicationInfo.packageName, pkg); 5661 // Make sure we don't accidentally delete its data. 5662 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5663 while (iter.hasNext()) { 5664 PackageCleanItem item = iter.next(); 5665 if (pkgName.equals(item.packageName)) { 5666 iter.remove(); 5667 } 5668 } 5669 5670 // Take care of first install / last update times. 5671 if (currentTime != 0) { 5672 if (pkgSetting.firstInstallTime == 0) { 5673 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5674 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5675 pkgSetting.lastUpdateTime = currentTime; 5676 } 5677 } else if (pkgSetting.firstInstallTime == 0) { 5678 // We need *something*. Take time time stamp of the file. 5679 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5680 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5681 if (scanFileTime != pkgSetting.timeStamp) { 5682 // A package on the system image has changed; consider this 5683 // to be an update. 5684 pkgSetting.lastUpdateTime = scanFileTime; 5685 } 5686 } 5687 5688 // Add the package's KeySets to the global KeySetManagerService 5689 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5690 try { 5691 // Old KeySetData no longer valid. 5692 ksms.removeAppKeySetData(pkg.packageName); 5693 ksms.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5694 if (pkg.mKeySetMapping != null) { 5695 for (Map.Entry<String, Set<PublicKey>> entry : 5696 pkg.mKeySetMapping.entrySet()) { 5697 if (entry.getValue() != null) { 5698 ksms.addDefinedKeySetToPackage(pkg.packageName, 5699 entry.getValue(), entry.getKey()); 5700 } 5701 } 5702 if (pkg.mUpgradeKeySets != null 5703 && pkg.mKeySetMapping.keySet().containsAll(pkg.mUpgradeKeySets)) { 5704 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5705 ksms.addUpgradeKeySetToPackage(pkg.packageName, upgradeAlias); 5706 } 5707 } 5708 } 5709 } catch (NullPointerException e) { 5710 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5711 } catch (IllegalArgumentException e) { 5712 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5713 } 5714 5715 int N = pkg.providers.size(); 5716 StringBuilder r = null; 5717 int i; 5718 for (i=0; i<N; i++) { 5719 PackageParser.Provider p = pkg.providers.get(i); 5720 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5721 p.info.processName, pkg.applicationInfo.uid); 5722 mProviders.addProvider(p); 5723 p.syncable = p.info.isSyncable; 5724 if (p.info.authority != null) { 5725 String names[] = p.info.authority.split(";"); 5726 p.info.authority = null; 5727 for (int j = 0; j < names.length; j++) { 5728 if (j == 1 && p.syncable) { 5729 // We only want the first authority for a provider to possibly be 5730 // syncable, so if we already added this provider using a different 5731 // authority clear the syncable flag. We copy the provider before 5732 // changing it because the mProviders object contains a reference 5733 // to a provider that we don't want to change. 5734 // Only do this for the second authority since the resulting provider 5735 // object can be the same for all future authorities for this provider. 5736 p = new PackageParser.Provider(p); 5737 p.syncable = false; 5738 } 5739 if (!mProvidersByAuthority.containsKey(names[j])) { 5740 mProvidersByAuthority.put(names[j], p); 5741 if (p.info.authority == null) { 5742 p.info.authority = names[j]; 5743 } else { 5744 p.info.authority = p.info.authority + ";" + names[j]; 5745 } 5746 if (DEBUG_PACKAGE_SCANNING) { 5747 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5748 Log.d(TAG, "Registered content provider: " + names[j] 5749 + ", className = " + p.info.name + ", isSyncable = " 5750 + p.info.isSyncable); 5751 } 5752 } else { 5753 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5754 Slog.w(TAG, "Skipping provider name " + names[j] + 5755 " (in package " + pkg.applicationInfo.packageName + 5756 "): name already used by " 5757 + ((other != null && other.getComponentName() != null) 5758 ? other.getComponentName().getPackageName() : "?")); 5759 } 5760 } 5761 } 5762 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5763 if (r == null) { 5764 r = new StringBuilder(256); 5765 } else { 5766 r.append(' '); 5767 } 5768 r.append(p.info.name); 5769 } 5770 } 5771 if (r != null) { 5772 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5773 } 5774 5775 N = pkg.services.size(); 5776 r = null; 5777 for (i=0; i<N; i++) { 5778 PackageParser.Service s = pkg.services.get(i); 5779 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5780 s.info.processName, pkg.applicationInfo.uid); 5781 mServices.addService(s); 5782 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5783 if (r == null) { 5784 r = new StringBuilder(256); 5785 } else { 5786 r.append(' '); 5787 } 5788 r.append(s.info.name); 5789 } 5790 } 5791 if (r != null) { 5792 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5793 } 5794 5795 N = pkg.receivers.size(); 5796 r = null; 5797 for (i=0; i<N; i++) { 5798 PackageParser.Activity a = pkg.receivers.get(i); 5799 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5800 a.info.processName, pkg.applicationInfo.uid); 5801 mReceivers.addActivity(a, "receiver"); 5802 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5803 if (r == null) { 5804 r = new StringBuilder(256); 5805 } else { 5806 r.append(' '); 5807 } 5808 r.append(a.info.name); 5809 } 5810 } 5811 if (r != null) { 5812 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5813 } 5814 5815 N = pkg.activities.size(); 5816 r = null; 5817 for (i=0; i<N; i++) { 5818 PackageParser.Activity a = pkg.activities.get(i); 5819 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5820 a.info.processName, pkg.applicationInfo.uid); 5821 mActivities.addActivity(a, "activity"); 5822 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5823 if (r == null) { 5824 r = new StringBuilder(256); 5825 } else { 5826 r.append(' '); 5827 } 5828 r.append(a.info.name); 5829 } 5830 } 5831 if (r != null) { 5832 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5833 } 5834 5835 N = pkg.permissionGroups.size(); 5836 r = null; 5837 for (i=0; i<N; i++) { 5838 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5839 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5840 if (cur == null) { 5841 mPermissionGroups.put(pg.info.name, pg); 5842 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5843 if (r == null) { 5844 r = new StringBuilder(256); 5845 } else { 5846 r.append(' '); 5847 } 5848 r.append(pg.info.name); 5849 } 5850 } else { 5851 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5852 + pg.info.packageName + " ignored: original from " 5853 + cur.info.packageName); 5854 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5855 if (r == null) { 5856 r = new StringBuilder(256); 5857 } else { 5858 r.append(' '); 5859 } 5860 r.append("DUP:"); 5861 r.append(pg.info.name); 5862 } 5863 } 5864 } 5865 if (r != null) { 5866 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5867 } 5868 5869 N = pkg.permissions.size(); 5870 r = null; 5871 for (i=0; i<N; i++) { 5872 PackageParser.Permission p = pkg.permissions.get(i); 5873 HashMap<String, BasePermission> permissionMap = 5874 p.tree ? mSettings.mPermissionTrees 5875 : mSettings.mPermissions; 5876 p.group = mPermissionGroups.get(p.info.group); 5877 if (p.info.group == null || p.group != null) { 5878 BasePermission bp = permissionMap.get(p.info.name); 5879 if (bp == null) { 5880 bp = new BasePermission(p.info.name, p.info.packageName, 5881 BasePermission.TYPE_NORMAL); 5882 permissionMap.put(p.info.name, bp); 5883 } 5884 if (bp.perm == null) { 5885 if (bp.sourcePackage != null 5886 && !bp.sourcePackage.equals(p.info.packageName)) { 5887 // If this is a permission that was formerly defined by a non-system 5888 // app, but is now defined by a system app (following an upgrade), 5889 // discard the previous declaration and consider the system's to be 5890 // canonical. 5891 if (isSystemApp(p.owner)) { 5892 String msg = "New decl " + p.owner + " of permission " 5893 + p.info.name + " is system"; 5894 reportSettingsProblem(Log.WARN, msg); 5895 bp.sourcePackage = null; 5896 } 5897 } 5898 if (bp.sourcePackage == null 5899 || bp.sourcePackage.equals(p.info.packageName)) { 5900 BasePermission tree = findPermissionTreeLP(p.info.name); 5901 if (tree == null 5902 || tree.sourcePackage.equals(p.info.packageName)) { 5903 bp.packageSetting = pkgSetting; 5904 bp.perm = p; 5905 bp.uid = pkg.applicationInfo.uid; 5906 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5907 if (r == null) { 5908 r = new StringBuilder(256); 5909 } else { 5910 r.append(' '); 5911 } 5912 r.append(p.info.name); 5913 } 5914 } else { 5915 Slog.w(TAG, "Permission " + p.info.name + " from package " 5916 + p.info.packageName + " ignored: base tree " 5917 + tree.name + " is from package " 5918 + tree.sourcePackage); 5919 } 5920 } else { 5921 Slog.w(TAG, "Permission " + p.info.name + " from package " 5922 + p.info.packageName + " ignored: original from " 5923 + bp.sourcePackage); 5924 } 5925 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5926 if (r == null) { 5927 r = new StringBuilder(256); 5928 } else { 5929 r.append(' '); 5930 } 5931 r.append("DUP:"); 5932 r.append(p.info.name); 5933 } 5934 if (bp.perm == p) { 5935 bp.protectionLevel = p.info.protectionLevel; 5936 } 5937 } else { 5938 Slog.w(TAG, "Permission " + p.info.name + " from package " 5939 + p.info.packageName + " ignored: no group " 5940 + p.group); 5941 } 5942 } 5943 if (r != null) { 5944 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5945 } 5946 5947 N = pkg.instrumentation.size(); 5948 r = null; 5949 for (i=0; i<N; i++) { 5950 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5951 a.info.packageName = pkg.applicationInfo.packageName; 5952 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5953 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5954 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5955 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5956 a.info.dataDir = pkg.applicationInfo.dataDir; 5957 5958 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 5959 // need other information about the application, like the ABI and what not ? 5960 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5961 mInstrumentation.put(a.getComponentName(), a); 5962 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5963 if (r == null) { 5964 r = new StringBuilder(256); 5965 } else { 5966 r.append(' '); 5967 } 5968 r.append(a.info.name); 5969 } 5970 } 5971 if (r != null) { 5972 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5973 } 5974 5975 if (pkg.protectedBroadcasts != null) { 5976 N = pkg.protectedBroadcasts.size(); 5977 for (i=0; i<N; i++) { 5978 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5979 } 5980 } 5981 5982 pkgSetting.setTimeStamp(scanFileTime); 5983 5984 // Create idmap files for pairs of (packages, overlay packages). 5985 // Note: "android", ie framework-res.apk, is handled by native layers. 5986 if (pkg.mOverlayTarget != null) { 5987 // This is an overlay package. 5988 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5989 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5990 mOverlays.put(pkg.mOverlayTarget, 5991 new HashMap<String, PackageParser.Package>()); 5992 } 5993 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5994 map.put(pkg.packageName, pkg); 5995 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5996 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5997 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5998 return null; 5999 } 6000 } 6001 } else if (mOverlays.containsKey(pkg.packageName) && 6002 !pkg.packageName.equals("android")) { 6003 // This is a regular package, with one or more known overlay packages. 6004 createIdmapsForPackageLI(pkg); 6005 } 6006 } 6007 6008 return pkg; 6009 } 6010 6011 /** 6012 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6013 * i.e, so that all packages can be run inside a single process if required. 6014 * 6015 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6016 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6017 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6018 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6019 * updating a package that belongs to a shared user. 6020 * 6021 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6022 * adds unnecessary complexity. 6023 */ 6024 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6025 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6026 String requiredInstructionSet = null; 6027 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6028 requiredInstructionSet = VMRuntime.getInstructionSet( 6029 scannedPackage.applicationInfo.primaryCpuAbi); 6030 } 6031 6032 PackageSetting requirer = null; 6033 for (PackageSetting ps : packagesForUser) { 6034 // If packagesForUser contains scannedPackage, we skip it. This will happen 6035 // when scannedPackage is an update of an existing package. Without this check, 6036 // we will never be able to change the ABI of any package belonging to a shared 6037 // user, even if it's compatible with other packages. 6038 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6039 if (ps.primaryCpuAbiString == null) { 6040 continue; 6041 } 6042 6043 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6044 if (requiredInstructionSet != null) { 6045 if (!instructionSet.equals(requiredInstructionSet)) { 6046 // We have a mismatch between instruction sets (say arm vs arm64). 6047 // bail out. 6048 String errorMessage = "Instruction set mismatch, " 6049 + ((requirer == null) ? "[caller]" : requirer) 6050 + " requires " + requiredInstructionSet + " whereas " + ps 6051 + " requires " + instructionSet; 6052 Slog.e(TAG, errorMessage); 6053 6054 reportSettingsProblem(Log.WARN, errorMessage); 6055 // Give up, don't bother making any other changes to the package settings. 6056 return false; 6057 } 6058 } else { 6059 requiredInstructionSet = instructionSet; 6060 requirer = ps; 6061 } 6062 } 6063 } 6064 6065 if (requiredInstructionSet != null) { 6066 String adjustedAbi; 6067 if (requirer != null) { 6068 // requirer != null implies that either scannedPackage was null or that scannedPackage 6069 // did not require an ABI, in which case we have to adjust scannedPackage to match 6070 // the ABI of the set (which is the same as requirer's ABI) 6071 adjustedAbi = requirer.primaryCpuAbiString; 6072 if (scannedPackage != null) { 6073 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6074 } 6075 } else { 6076 // requirer == null implies that we're updating all ABIs in the set to 6077 // match scannedPackage. 6078 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6079 } 6080 6081 for (PackageSetting ps : packagesForUser) { 6082 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6083 if (ps.primaryCpuAbiString != null) { 6084 continue; 6085 } 6086 6087 ps.primaryCpuAbiString = adjustedAbi; 6088 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6089 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6090 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6091 6092 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6093 ps.primaryCpuAbiString = null; 6094 ps.pkg.applicationInfo.primaryCpuAbi = null; 6095 return false; 6096 } else { 6097 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6098 } 6099 } 6100 } 6101 } 6102 } 6103 6104 return true; 6105 } 6106 6107 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6108 synchronized (mPackages) { 6109 mResolverReplaced = true; 6110 // Set up information for custom user intent resolution activity. 6111 mResolveActivity.applicationInfo = pkg.applicationInfo; 6112 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6113 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6114 mResolveActivity.processName = null; 6115 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6116 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6117 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6118 mResolveActivity.theme = 0; 6119 mResolveActivity.exported = true; 6120 mResolveActivity.enabled = true; 6121 mResolveInfo.activityInfo = mResolveActivity; 6122 mResolveInfo.priority = 0; 6123 mResolveInfo.preferredOrder = 0; 6124 mResolveInfo.match = 0; 6125 mResolveComponentName = mCustomResolverComponentName; 6126 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6127 mResolveComponentName); 6128 } 6129 } 6130 6131 private static String calculateApkRoot(final String codePathString) { 6132 final File codePath = new File(codePathString); 6133 final File codeRoot; 6134 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6135 codeRoot = Environment.getRootDirectory(); 6136 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6137 codeRoot = Environment.getOemDirectory(); 6138 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6139 codeRoot = Environment.getVendorDirectory(); 6140 } else { 6141 // Unrecognized code path; take its top real segment as the apk root: 6142 // e.g. /something/app/blah.apk => /something 6143 try { 6144 File f = codePath.getCanonicalFile(); 6145 File parent = f.getParentFile(); // non-null because codePath is a file 6146 File tmp; 6147 while ((tmp = parent.getParentFile()) != null) { 6148 f = parent; 6149 parent = tmp; 6150 } 6151 codeRoot = f; 6152 Slog.w(TAG, "Unrecognized code path " 6153 + codePath + " - using " + codeRoot); 6154 } catch (IOException e) { 6155 // Can't canonicalize the code path -- shenanigans? 6156 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6157 return Environment.getRootDirectory().getPath(); 6158 } 6159 } 6160 return codeRoot.getPath(); 6161 } 6162 6163 private void populateDefaultNativeLibraryPath(PackageParser.Package pkg, 6164 ApplicationInfo info) { 6165 if (info.legacyNativeLibraryDir != null) { 6166 // Not a cluster install. 6167 if (DEBUG_ABI_SELECTION) { 6168 Log.i(TAG, "Set nativeLibraryDir [non_cluster] for: " + pkg.packageName + 6169 " to " + info.legacyNativeLibraryDir); 6170 } 6171 info.nativeLibraryDir = info.legacyNativeLibraryDir; 6172 } else if (info.primaryCpuAbi != null) { 6173 final boolean is64Bit = VMRuntime.is64BitAbi(info.primaryCpuAbi); 6174 if (info.apkRoot != null) { 6175 // This is a bundled system app so choose the path based on the ABI. 6176 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6177 // is just the default path. 6178 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6179 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6180 info.nativeLibraryDir = (new File(info.apkRoot, new File(libDir, apkName).getAbsolutePath())) 6181 .getAbsolutePath(); 6182 6183 if (DEBUG_ABI_SELECTION) { 6184 Log.i(TAG, "Set nativeLibraryDir [system] for: " + pkg.packageName + 6185 " to " + info.nativeLibraryDir); 6186 } 6187 } else { 6188 // Cluster install. legacyNativeLibraryDir == null && primaryCpuAbi = null 6189 // implies this must be a cluster package. 6190 final String codePath = pkg.codePath; 6191 final File libPath = new File(new File(codePath, LIB_DIR_NAME), 6192 VMRuntime.getInstructionSet(info.primaryCpuAbi)); 6193 info.nativeLibraryDir = libPath.getAbsolutePath(); 6194 6195 if (DEBUG_ABI_SELECTION) { 6196 Log.i(TAG, "Set nativeLibraryDir [cluster] for: " + pkg.packageName + 6197 " to " + info.nativeLibraryDir); 6198 } 6199 } 6200 } else { 6201 if (DEBUG_ABI_SELECTION) { 6202 Log.i(TAG, "Setting nativeLibraryDir to null for: " + pkg.packageName); 6203 } 6204 6205 info.nativeLibraryDir = null; 6206 } 6207 } 6208 6209 /** 6210 * Calculate the abis and roots for a bundled app. These can uniquely 6211 * be determined from the contents of the system partition, i.e whether 6212 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6213 * of this information, and instead assume that the system was built 6214 * sensibly. 6215 */ 6216 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6217 PackageSetting pkgSetting) { 6218 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6219 6220 // If "/system/lib64/apkname" exists, assume that is the per-package 6221 // native library directory to use; otherwise use "/system/lib/apkname". 6222 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6223 pkg.applicationInfo.apkRoot = apkRoot; 6224 setBundledAppAbi(pkg, apkRoot, apkName); 6225 // pkgSetting might be null during rescan following uninstall of updates 6226 // to a bundled app, so accommodate that possibility. The settings in 6227 // that case will be established later from the parsed package. 6228 // 6229 // If the settings aren't null, sync them up with what we've just derived. 6230 // note that apkRoot isn't stored in the package settings. 6231 if (pkgSetting != null) { 6232 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6233 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6234 } 6235 } 6236 6237 /** 6238 * Deduces the ABI of a bundled app and sets the relevant fields on the 6239 * parsed pkg object. 6240 * 6241 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6242 * under which system libraries are installed. 6243 * @param apkName the name of the installed package. 6244 */ 6245 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6246 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6247 // or similar. 6248 final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6249 final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6250 6251 if (has64BitLibs && !has32BitLibs) { 6252 // The package has 64 bit libs, but not 32 bit libs. Its primary 6253 // ABI should be 64 bit. We can safely assume here that the bundled 6254 // native libraries correspond to the most preferred ABI in the list. 6255 6256 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6257 pkg.applicationInfo.secondaryCpuAbi = null; 6258 } else if (has32BitLibs && !has64BitLibs) { 6259 // The package has 32 bit libs but not 64 bit libs. Its primary 6260 // ABI should be 32 bit. 6261 6262 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6263 pkg.applicationInfo.secondaryCpuAbi = null; 6264 } else if (has32BitLibs && has64BitLibs) { 6265 // The application has both 64 and 32 bit bundled libraries. We check 6266 // here that the app declares multiArch support, and warn if it doesn't. 6267 // 6268 // We will be lenient here and record both ABIs. The primary will be the 6269 // ABI that's higher on the list, i.e, a device that's configured to prefer 6270 // 64 bit apps will see a 64 bit primary ABI, 6271 6272 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6273 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6274 } 6275 6276 if (VMRuntime.is64BitAbi(getPreferredInstructionSet())) { 6277 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6278 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6279 } else { 6280 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6281 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6282 } 6283 } else { 6284 pkg.applicationInfo.primaryCpuAbi = null; 6285 pkg.applicationInfo.secondaryCpuAbi = null; 6286 } 6287 } 6288 6289 private static void createNativeLibrarySubdir(File path) throws IOException { 6290 if (!path.isDirectory()) { 6291 path.delete(); 6292 6293 if (!path.mkdir()) { 6294 throw new IOException("Cannot create " + path.getPath()); 6295 } 6296 6297 try { 6298 Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6299 } catch (ErrnoException e) { 6300 throw new IOException("Cannot chmod native library directory " 6301 + path.getPath(), e); 6302 } 6303 } else if (!SELinux.restorecon(path)) { 6304 throw new IOException("Cannot set SELinux context for " + path.getPath()); 6305 } 6306 } 6307 6308 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6309 final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException { 6310 createNativeLibrarySubdir(nativeLibraryRoot); 6311 6312 /* 6313 * If this is an internal application or our nativeLibraryPath points to 6314 * the app-lib directory, unpack the libraries if necessary. 6315 */ 6316 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6317 if (abi >= 0) { 6318 /* 6319 * If we have a matching instruction set, construct a subdir under the native 6320 * library root that corresponds to this instruction set. 6321 */ 6322 final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]); 6323 final File subDir; 6324 if (useIsaSubdir) { 6325 final File isaSubdir = new File(nativeLibraryRoot, instructionSet); 6326 createNativeLibrarySubdir(isaSubdir); 6327 subDir = isaSubdir; 6328 } else { 6329 subDir = nativeLibraryRoot; 6330 } 6331 6332 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6333 subDir, Build.SUPPORTED_ABIS[abi]); 6334 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6335 return copyRet; 6336 } 6337 } 6338 6339 return abi; 6340 } 6341 6342 private void killApplication(String pkgName, int appId, String reason) { 6343 // Request the ActivityManager to kill the process(only for existing packages) 6344 // so that we do not end up in a confused state while the user is still using the older 6345 // version of the application while the new one gets installed. 6346 IActivityManager am = ActivityManagerNative.getDefault(); 6347 if (am != null) { 6348 try { 6349 am.killApplicationWithAppId(pkgName, appId, reason); 6350 } catch (RemoteException e) { 6351 } 6352 } 6353 } 6354 6355 void removePackageLI(PackageSetting ps, boolean chatty) { 6356 if (DEBUG_INSTALL) { 6357 if (chatty) 6358 Log.d(TAG, "Removing package " + ps.name); 6359 } 6360 6361 // writer 6362 synchronized (mPackages) { 6363 mPackages.remove(ps.name); 6364 if (ps.codePathString != null) { 6365 mAppDirs.remove(ps.codePathString); 6366 } 6367 6368 final PackageParser.Package pkg = ps.pkg; 6369 if (pkg != null) { 6370 cleanPackageDataStructuresLILPw(pkg, chatty); 6371 } 6372 } 6373 } 6374 6375 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6376 if (DEBUG_INSTALL) { 6377 if (chatty) 6378 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6379 } 6380 6381 // writer 6382 synchronized (mPackages) { 6383 mPackages.remove(pkg.applicationInfo.packageName); 6384 if (pkg.codePath != null) { 6385 mAppDirs.remove(pkg.codePath); 6386 } 6387 cleanPackageDataStructuresLILPw(pkg, chatty); 6388 } 6389 } 6390 6391 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6392 int N = pkg.providers.size(); 6393 StringBuilder r = null; 6394 int i; 6395 for (i=0; i<N; i++) { 6396 PackageParser.Provider p = pkg.providers.get(i); 6397 mProviders.removeProvider(p); 6398 if (p.info.authority == null) { 6399 6400 /* There was another ContentProvider with this authority when 6401 * this app was installed so this authority is null, 6402 * Ignore it as we don't have to unregister the provider. 6403 */ 6404 continue; 6405 } 6406 String names[] = p.info.authority.split(";"); 6407 for (int j = 0; j < names.length; j++) { 6408 if (mProvidersByAuthority.get(names[j]) == p) { 6409 mProvidersByAuthority.remove(names[j]); 6410 if (DEBUG_REMOVE) { 6411 if (chatty) 6412 Log.d(TAG, "Unregistered content provider: " + names[j] 6413 + ", className = " + p.info.name + ", isSyncable = " 6414 + p.info.isSyncable); 6415 } 6416 } 6417 } 6418 if (DEBUG_REMOVE && chatty) { 6419 if (r == null) { 6420 r = new StringBuilder(256); 6421 } else { 6422 r.append(' '); 6423 } 6424 r.append(p.info.name); 6425 } 6426 } 6427 if (r != null) { 6428 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6429 } 6430 6431 N = pkg.services.size(); 6432 r = null; 6433 for (i=0; i<N; i++) { 6434 PackageParser.Service s = pkg.services.get(i); 6435 mServices.removeService(s); 6436 if (chatty) { 6437 if (r == null) { 6438 r = new StringBuilder(256); 6439 } else { 6440 r.append(' '); 6441 } 6442 r.append(s.info.name); 6443 } 6444 } 6445 if (r != null) { 6446 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6447 } 6448 6449 N = pkg.receivers.size(); 6450 r = null; 6451 for (i=0; i<N; i++) { 6452 PackageParser.Activity a = pkg.receivers.get(i); 6453 mReceivers.removeActivity(a, "receiver"); 6454 if (DEBUG_REMOVE && chatty) { 6455 if (r == null) { 6456 r = new StringBuilder(256); 6457 } else { 6458 r.append(' '); 6459 } 6460 r.append(a.info.name); 6461 } 6462 } 6463 if (r != null) { 6464 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6465 } 6466 6467 N = pkg.activities.size(); 6468 r = null; 6469 for (i=0; i<N; i++) { 6470 PackageParser.Activity a = pkg.activities.get(i); 6471 mActivities.removeActivity(a, "activity"); 6472 if (DEBUG_REMOVE && chatty) { 6473 if (r == null) { 6474 r = new StringBuilder(256); 6475 } else { 6476 r.append(' '); 6477 } 6478 r.append(a.info.name); 6479 } 6480 } 6481 if (r != null) { 6482 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6483 } 6484 6485 N = pkg.permissions.size(); 6486 r = null; 6487 for (i=0; i<N; i++) { 6488 PackageParser.Permission p = pkg.permissions.get(i); 6489 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6490 if (bp == null) { 6491 bp = mSettings.mPermissionTrees.get(p.info.name); 6492 } 6493 if (bp != null && bp.perm == p) { 6494 bp.perm = null; 6495 if (DEBUG_REMOVE && chatty) { 6496 if (r == null) { 6497 r = new StringBuilder(256); 6498 } else { 6499 r.append(' '); 6500 } 6501 r.append(p.info.name); 6502 } 6503 } 6504 } 6505 if (r != null) { 6506 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6507 } 6508 6509 N = pkg.instrumentation.size(); 6510 r = null; 6511 for (i=0; i<N; i++) { 6512 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6513 mInstrumentation.remove(a.getComponentName()); 6514 if (DEBUG_REMOVE && chatty) { 6515 if (r == null) { 6516 r = new StringBuilder(256); 6517 } else { 6518 r.append(' '); 6519 } 6520 r.append(a.info.name); 6521 } 6522 } 6523 if (r != null) { 6524 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6525 } 6526 6527 r = null; 6528 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6529 // Only system apps can hold shared libraries. 6530 if (pkg.libraryNames != null) { 6531 for (i=0; i<pkg.libraryNames.size(); i++) { 6532 String name = pkg.libraryNames.get(i); 6533 SharedLibraryEntry cur = mSharedLibraries.get(name); 6534 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6535 mSharedLibraries.remove(name); 6536 if (DEBUG_REMOVE && chatty) { 6537 if (r == null) { 6538 r = new StringBuilder(256); 6539 } else { 6540 r.append(' '); 6541 } 6542 r.append(name); 6543 } 6544 } 6545 } 6546 } 6547 } 6548 if (r != null) { 6549 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6550 } 6551 } 6552 6553 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6554 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6555 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6556 return true; 6557 } 6558 } 6559 return false; 6560 } 6561 6562 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6563 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6564 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6565 6566 private void updatePermissionsLPw(String changingPkg, 6567 PackageParser.Package pkgInfo, int flags) { 6568 // Make sure there are no dangling permission trees. 6569 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6570 while (it.hasNext()) { 6571 final BasePermission bp = it.next(); 6572 if (bp.packageSetting == null) { 6573 // We may not yet have parsed the package, so just see if 6574 // we still know about its settings. 6575 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6576 } 6577 if (bp.packageSetting == null) { 6578 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6579 + " from package " + bp.sourcePackage); 6580 it.remove(); 6581 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6582 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6583 Slog.i(TAG, "Removing old permission tree: " + bp.name 6584 + " from package " + bp.sourcePackage); 6585 flags |= UPDATE_PERMISSIONS_ALL; 6586 it.remove(); 6587 } 6588 } 6589 } 6590 6591 // Make sure all dynamic permissions have been assigned to a package, 6592 // and make sure there are no dangling permissions. 6593 it = mSettings.mPermissions.values().iterator(); 6594 while (it.hasNext()) { 6595 final BasePermission bp = it.next(); 6596 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6597 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6598 + bp.name + " pkg=" + bp.sourcePackage 6599 + " info=" + bp.pendingInfo); 6600 if (bp.packageSetting == null && bp.pendingInfo != null) { 6601 final BasePermission tree = findPermissionTreeLP(bp.name); 6602 if (tree != null && tree.perm != null) { 6603 bp.packageSetting = tree.packageSetting; 6604 bp.perm = new PackageParser.Permission(tree.perm.owner, 6605 new PermissionInfo(bp.pendingInfo)); 6606 bp.perm.info.packageName = tree.perm.info.packageName; 6607 bp.perm.info.name = bp.name; 6608 bp.uid = tree.uid; 6609 } 6610 } 6611 } 6612 if (bp.packageSetting == null) { 6613 // We may not yet have parsed the package, so just see if 6614 // we still know about its settings. 6615 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6616 } 6617 if (bp.packageSetting == null) { 6618 Slog.w(TAG, "Removing dangling permission: " + bp.name 6619 + " from package " + bp.sourcePackage); 6620 it.remove(); 6621 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6622 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6623 Slog.i(TAG, "Removing old permission: " + bp.name 6624 + " from package " + bp.sourcePackage); 6625 flags |= UPDATE_PERMISSIONS_ALL; 6626 it.remove(); 6627 } 6628 } 6629 } 6630 6631 // Now update the permissions for all packages, in particular 6632 // replace the granted permissions of the system packages. 6633 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6634 for (PackageParser.Package pkg : mPackages.values()) { 6635 if (pkg != pkgInfo) { 6636 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6637 } 6638 } 6639 } 6640 6641 if (pkgInfo != null) { 6642 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6643 } 6644 } 6645 6646 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6647 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6648 if (ps == null) { 6649 return; 6650 } 6651 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6652 HashSet<String> origPermissions = gp.grantedPermissions; 6653 boolean changedPermission = false; 6654 6655 if (replace) { 6656 ps.permissionsFixed = false; 6657 if (gp == ps) { 6658 origPermissions = new HashSet<String>(gp.grantedPermissions); 6659 gp.grantedPermissions.clear(); 6660 gp.gids = mGlobalGids; 6661 } 6662 } 6663 6664 if (gp.gids == null) { 6665 gp.gids = mGlobalGids; 6666 } 6667 6668 final int N = pkg.requestedPermissions.size(); 6669 for (int i=0; i<N; i++) { 6670 final String name = pkg.requestedPermissions.get(i); 6671 final boolean required = pkg.requestedPermissionsRequired.get(i); 6672 final BasePermission bp = mSettings.mPermissions.get(name); 6673 if (DEBUG_INSTALL) { 6674 if (gp != ps) { 6675 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6676 } 6677 } 6678 6679 if (bp == null || bp.packageSetting == null) { 6680 Slog.w(TAG, "Unknown permission " + name 6681 + " in package " + pkg.packageName); 6682 continue; 6683 } 6684 6685 final String perm = bp.name; 6686 boolean allowed; 6687 boolean allowedSig = false; 6688 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6689 if (level == PermissionInfo.PROTECTION_NORMAL 6690 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6691 // We grant a normal or dangerous permission if any of the following 6692 // are true: 6693 // 1) The permission is required 6694 // 2) The permission is optional, but was granted in the past 6695 // 3) The permission is optional, but was requested by an 6696 // app in /system (not /data) 6697 // 6698 // Otherwise, reject the permission. 6699 allowed = (required || origPermissions.contains(perm) 6700 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6701 } else if (bp.packageSetting == null) { 6702 // This permission is invalid; skip it. 6703 allowed = false; 6704 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6705 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6706 if (allowed) { 6707 allowedSig = true; 6708 } 6709 } else { 6710 allowed = false; 6711 } 6712 if (DEBUG_INSTALL) { 6713 if (gp != ps) { 6714 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6715 } 6716 } 6717 if (allowed) { 6718 if (!isSystemApp(ps) && ps.permissionsFixed) { 6719 // If this is an existing, non-system package, then 6720 // we can't add any new permissions to it. 6721 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6722 // Except... if this is a permission that was added 6723 // to the platform (note: need to only do this when 6724 // updating the platform). 6725 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6726 } 6727 } 6728 if (allowed) { 6729 if (!gp.grantedPermissions.contains(perm)) { 6730 changedPermission = true; 6731 gp.grantedPermissions.add(perm); 6732 gp.gids = appendInts(gp.gids, bp.gids); 6733 } else if (!ps.haveGids) { 6734 gp.gids = appendInts(gp.gids, bp.gids); 6735 } 6736 } else { 6737 Slog.w(TAG, "Not granting permission " + perm 6738 + " to package " + pkg.packageName 6739 + " because it was previously installed without"); 6740 } 6741 } else { 6742 if (gp.grantedPermissions.remove(perm)) { 6743 changedPermission = true; 6744 gp.gids = removeInts(gp.gids, bp.gids); 6745 Slog.i(TAG, "Un-granting permission " + perm 6746 + " from package " + pkg.packageName 6747 + " (protectionLevel=" + bp.protectionLevel 6748 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6749 + ")"); 6750 } else { 6751 Slog.w(TAG, "Not granting permission " + perm 6752 + " to package " + pkg.packageName 6753 + " (protectionLevel=" + bp.protectionLevel 6754 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6755 + ")"); 6756 } 6757 } 6758 } 6759 6760 if ((changedPermission || replace) && !ps.permissionsFixed && 6761 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6762 // This is the first that we have heard about this package, so the 6763 // permissions we have now selected are fixed until explicitly 6764 // changed. 6765 ps.permissionsFixed = true; 6766 } 6767 ps.haveGids = true; 6768 } 6769 6770 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6771 boolean allowed = false; 6772 final int NP = PackageParser.NEW_PERMISSIONS.length; 6773 for (int ip=0; ip<NP; ip++) { 6774 final PackageParser.NewPermissionInfo npi 6775 = PackageParser.NEW_PERMISSIONS[ip]; 6776 if (npi.name.equals(perm) 6777 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6778 allowed = true; 6779 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6780 + pkg.packageName); 6781 break; 6782 } 6783 } 6784 return allowed; 6785 } 6786 6787 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6788 BasePermission bp, HashSet<String> origPermissions) { 6789 boolean allowed; 6790 allowed = (compareSignatures( 6791 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6792 == PackageManager.SIGNATURE_MATCH) 6793 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6794 == PackageManager.SIGNATURE_MATCH); 6795 if (!allowed && (bp.protectionLevel 6796 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6797 if (isSystemApp(pkg)) { 6798 // For updated system applications, a system permission 6799 // is granted only if it had been defined by the original application. 6800 if (isUpdatedSystemApp(pkg)) { 6801 final PackageSetting sysPs = mSettings 6802 .getDisabledSystemPkgLPr(pkg.packageName); 6803 final GrantedPermissions origGp = sysPs.sharedUser != null 6804 ? sysPs.sharedUser : sysPs; 6805 6806 if (origGp.grantedPermissions.contains(perm)) { 6807 // If the original was granted this permission, we take 6808 // that grant decision as read and propagate it to the 6809 // update. 6810 allowed = true; 6811 } else { 6812 // The system apk may have been updated with an older 6813 // version of the one on the data partition, but which 6814 // granted a new system permission that it didn't have 6815 // before. In this case we do want to allow the app to 6816 // now get the new permission if the ancestral apk is 6817 // privileged to get it. 6818 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6819 for (int j=0; 6820 j<sysPs.pkg.requestedPermissions.size(); j++) { 6821 if (perm.equals( 6822 sysPs.pkg.requestedPermissions.get(j))) { 6823 allowed = true; 6824 break; 6825 } 6826 } 6827 } 6828 } 6829 } else { 6830 allowed = isPrivilegedApp(pkg); 6831 } 6832 } 6833 } 6834 if (!allowed && (bp.protectionLevel 6835 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6836 // For development permissions, a development permission 6837 // is granted only if it was already granted. 6838 allowed = origPermissions.contains(perm); 6839 } 6840 return allowed; 6841 } 6842 6843 final class ActivityIntentResolver 6844 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6845 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6846 boolean defaultOnly, int userId) { 6847 if (!sUserManager.exists(userId)) return null; 6848 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6849 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6850 } 6851 6852 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6853 int userId) { 6854 if (!sUserManager.exists(userId)) return null; 6855 mFlags = flags; 6856 return super.queryIntent(intent, resolvedType, 6857 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6858 } 6859 6860 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6861 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6862 if (!sUserManager.exists(userId)) return null; 6863 if (packageActivities == null) { 6864 return null; 6865 } 6866 mFlags = flags; 6867 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6868 final int N = packageActivities.size(); 6869 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6870 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6871 6872 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6873 for (int i = 0; i < N; ++i) { 6874 intentFilters = packageActivities.get(i).intents; 6875 if (intentFilters != null && intentFilters.size() > 0) { 6876 PackageParser.ActivityIntentInfo[] array = 6877 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6878 intentFilters.toArray(array); 6879 listCut.add(array); 6880 } 6881 } 6882 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6883 } 6884 6885 public final void addActivity(PackageParser.Activity a, String type) { 6886 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6887 mActivities.put(a.getComponentName(), a); 6888 if (DEBUG_SHOW_INFO) 6889 Log.v( 6890 TAG, " " + type + " " + 6891 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6892 if (DEBUG_SHOW_INFO) 6893 Log.v(TAG, " Class=" + a.info.name); 6894 final int NI = a.intents.size(); 6895 for (int j=0; j<NI; j++) { 6896 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6897 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6898 intent.setPriority(0); 6899 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6900 + a.className + " with priority > 0, forcing to 0"); 6901 } 6902 if (DEBUG_SHOW_INFO) { 6903 Log.v(TAG, " IntentFilter:"); 6904 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6905 } 6906 if (!intent.debugCheck()) { 6907 Log.w(TAG, "==> For Activity " + a.info.name); 6908 } 6909 addFilter(intent); 6910 } 6911 } 6912 6913 public final void removeActivity(PackageParser.Activity a, String type) { 6914 mActivities.remove(a.getComponentName()); 6915 if (DEBUG_SHOW_INFO) { 6916 Log.v(TAG, " " + type + " " 6917 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6918 : a.info.name) + ":"); 6919 Log.v(TAG, " Class=" + a.info.name); 6920 } 6921 final int NI = a.intents.size(); 6922 for (int j=0; j<NI; j++) { 6923 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6924 if (DEBUG_SHOW_INFO) { 6925 Log.v(TAG, " IntentFilter:"); 6926 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6927 } 6928 removeFilter(intent); 6929 } 6930 } 6931 6932 @Override 6933 protected boolean allowFilterResult( 6934 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6935 ActivityInfo filterAi = filter.activity.info; 6936 for (int i=dest.size()-1; i>=0; i--) { 6937 ActivityInfo destAi = dest.get(i).activityInfo; 6938 if (destAi.name == filterAi.name 6939 && destAi.packageName == filterAi.packageName) { 6940 return false; 6941 } 6942 } 6943 return true; 6944 } 6945 6946 @Override 6947 protected ActivityIntentInfo[] newArray(int size) { 6948 return new ActivityIntentInfo[size]; 6949 } 6950 6951 @Override 6952 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6953 if (!sUserManager.exists(userId)) return true; 6954 PackageParser.Package p = filter.activity.owner; 6955 if (p != null) { 6956 PackageSetting ps = (PackageSetting)p.mExtras; 6957 if (ps != null) { 6958 // System apps are never considered stopped for purposes of 6959 // filtering, because there may be no way for the user to 6960 // actually re-launch them. 6961 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6962 && ps.getStopped(userId); 6963 } 6964 } 6965 return false; 6966 } 6967 6968 @Override 6969 protected boolean isPackageForFilter(String packageName, 6970 PackageParser.ActivityIntentInfo info) { 6971 return packageName.equals(info.activity.owner.packageName); 6972 } 6973 6974 @Override 6975 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6976 int match, int userId) { 6977 if (!sUserManager.exists(userId)) return null; 6978 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6979 return null; 6980 } 6981 final PackageParser.Activity activity = info.activity; 6982 if (mSafeMode && (activity.info.applicationInfo.flags 6983 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6984 return null; 6985 } 6986 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6987 if (ps == null) { 6988 return null; 6989 } 6990 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6991 ps.readUserState(userId), userId); 6992 if (ai == null) { 6993 return null; 6994 } 6995 final ResolveInfo res = new ResolveInfo(); 6996 res.activityInfo = ai; 6997 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6998 res.filter = info; 6999 } 7000 res.priority = info.getPriority(); 7001 res.preferredOrder = activity.owner.mPreferredOrder; 7002 //System.out.println("Result: " + res.activityInfo.className + 7003 // " = " + res.priority); 7004 res.match = match; 7005 res.isDefault = info.hasDefault; 7006 res.labelRes = info.labelRes; 7007 res.nonLocalizedLabel = info.nonLocalizedLabel; 7008 if (userNeedsBadging(userId)) { 7009 res.noResourceId = true; 7010 } else { 7011 res.icon = info.icon; 7012 } 7013 res.system = isSystemApp(res.activityInfo.applicationInfo); 7014 return res; 7015 } 7016 7017 @Override 7018 protected void sortResults(List<ResolveInfo> results) { 7019 Collections.sort(results, mResolvePrioritySorter); 7020 } 7021 7022 @Override 7023 protected void dumpFilter(PrintWriter out, String prefix, 7024 PackageParser.ActivityIntentInfo filter) { 7025 out.print(prefix); out.print( 7026 Integer.toHexString(System.identityHashCode(filter.activity))); 7027 out.print(' '); 7028 filter.activity.printComponentShortName(out); 7029 out.print(" filter "); 7030 out.println(Integer.toHexString(System.identityHashCode(filter))); 7031 } 7032 7033// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7034// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7035// final List<ResolveInfo> retList = Lists.newArrayList(); 7036// while (i.hasNext()) { 7037// final ResolveInfo resolveInfo = i.next(); 7038// if (isEnabledLP(resolveInfo.activityInfo)) { 7039// retList.add(resolveInfo); 7040// } 7041// } 7042// return retList; 7043// } 7044 7045 // Keys are String (activity class name), values are Activity. 7046 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7047 = new HashMap<ComponentName, PackageParser.Activity>(); 7048 private int mFlags; 7049 } 7050 7051 private final class ServiceIntentResolver 7052 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7053 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7054 boolean defaultOnly, int userId) { 7055 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7056 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7057 } 7058 7059 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7060 int userId) { 7061 if (!sUserManager.exists(userId)) return null; 7062 mFlags = flags; 7063 return super.queryIntent(intent, resolvedType, 7064 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7065 } 7066 7067 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7068 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7069 if (!sUserManager.exists(userId)) return null; 7070 if (packageServices == null) { 7071 return null; 7072 } 7073 mFlags = flags; 7074 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7075 final int N = packageServices.size(); 7076 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7077 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7078 7079 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7080 for (int i = 0; i < N; ++i) { 7081 intentFilters = packageServices.get(i).intents; 7082 if (intentFilters != null && intentFilters.size() > 0) { 7083 PackageParser.ServiceIntentInfo[] array = 7084 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7085 intentFilters.toArray(array); 7086 listCut.add(array); 7087 } 7088 } 7089 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7090 } 7091 7092 public final void addService(PackageParser.Service s) { 7093 mServices.put(s.getComponentName(), s); 7094 if (DEBUG_SHOW_INFO) { 7095 Log.v(TAG, " " 7096 + (s.info.nonLocalizedLabel != null 7097 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7098 Log.v(TAG, " Class=" + s.info.name); 7099 } 7100 final int NI = s.intents.size(); 7101 int j; 7102 for (j=0; j<NI; j++) { 7103 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7104 if (DEBUG_SHOW_INFO) { 7105 Log.v(TAG, " IntentFilter:"); 7106 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7107 } 7108 if (!intent.debugCheck()) { 7109 Log.w(TAG, "==> For Service " + s.info.name); 7110 } 7111 addFilter(intent); 7112 } 7113 } 7114 7115 public final void removeService(PackageParser.Service s) { 7116 mServices.remove(s.getComponentName()); 7117 if (DEBUG_SHOW_INFO) { 7118 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7119 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7120 Log.v(TAG, " Class=" + s.info.name); 7121 } 7122 final int NI = s.intents.size(); 7123 int j; 7124 for (j=0; j<NI; j++) { 7125 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7126 if (DEBUG_SHOW_INFO) { 7127 Log.v(TAG, " IntentFilter:"); 7128 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7129 } 7130 removeFilter(intent); 7131 } 7132 } 7133 7134 @Override 7135 protected boolean allowFilterResult( 7136 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7137 ServiceInfo filterSi = filter.service.info; 7138 for (int i=dest.size()-1; i>=0; i--) { 7139 ServiceInfo destAi = dest.get(i).serviceInfo; 7140 if (destAi.name == filterSi.name 7141 && destAi.packageName == filterSi.packageName) { 7142 return false; 7143 } 7144 } 7145 return true; 7146 } 7147 7148 @Override 7149 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7150 return new PackageParser.ServiceIntentInfo[size]; 7151 } 7152 7153 @Override 7154 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7155 if (!sUserManager.exists(userId)) return true; 7156 PackageParser.Package p = filter.service.owner; 7157 if (p != null) { 7158 PackageSetting ps = (PackageSetting)p.mExtras; 7159 if (ps != null) { 7160 // System apps are never considered stopped for purposes of 7161 // filtering, because there may be no way for the user to 7162 // actually re-launch them. 7163 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7164 && ps.getStopped(userId); 7165 } 7166 } 7167 return false; 7168 } 7169 7170 @Override 7171 protected boolean isPackageForFilter(String packageName, 7172 PackageParser.ServiceIntentInfo info) { 7173 return packageName.equals(info.service.owner.packageName); 7174 } 7175 7176 @Override 7177 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7178 int match, int userId) { 7179 if (!sUserManager.exists(userId)) return null; 7180 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7181 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7182 return null; 7183 } 7184 final PackageParser.Service service = info.service; 7185 if (mSafeMode && (service.info.applicationInfo.flags 7186 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7187 return null; 7188 } 7189 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7190 if (ps == null) { 7191 return null; 7192 } 7193 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7194 ps.readUserState(userId), userId); 7195 if (si == null) { 7196 return null; 7197 } 7198 final ResolveInfo res = new ResolveInfo(); 7199 res.serviceInfo = si; 7200 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7201 res.filter = filter; 7202 } 7203 res.priority = info.getPriority(); 7204 res.preferredOrder = service.owner.mPreferredOrder; 7205 //System.out.println("Result: " + res.activityInfo.className + 7206 // " = " + res.priority); 7207 res.match = match; 7208 res.isDefault = info.hasDefault; 7209 res.labelRes = info.labelRes; 7210 res.nonLocalizedLabel = info.nonLocalizedLabel; 7211 res.icon = info.icon; 7212 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7213 return res; 7214 } 7215 7216 @Override 7217 protected void sortResults(List<ResolveInfo> results) { 7218 Collections.sort(results, mResolvePrioritySorter); 7219 } 7220 7221 @Override 7222 protected void dumpFilter(PrintWriter out, String prefix, 7223 PackageParser.ServiceIntentInfo filter) { 7224 out.print(prefix); out.print( 7225 Integer.toHexString(System.identityHashCode(filter.service))); 7226 out.print(' '); 7227 filter.service.printComponentShortName(out); 7228 out.print(" filter "); 7229 out.println(Integer.toHexString(System.identityHashCode(filter))); 7230 } 7231 7232// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7233// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7234// final List<ResolveInfo> retList = Lists.newArrayList(); 7235// while (i.hasNext()) { 7236// final ResolveInfo resolveInfo = (ResolveInfo) i; 7237// if (isEnabledLP(resolveInfo.serviceInfo)) { 7238// retList.add(resolveInfo); 7239// } 7240// } 7241// return retList; 7242// } 7243 7244 // Keys are String (activity class name), values are Activity. 7245 private final HashMap<ComponentName, PackageParser.Service> mServices 7246 = new HashMap<ComponentName, PackageParser.Service>(); 7247 private int mFlags; 7248 }; 7249 7250 private final class ProviderIntentResolver 7251 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7252 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7253 boolean defaultOnly, int userId) { 7254 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7255 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7256 } 7257 7258 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7259 int userId) { 7260 if (!sUserManager.exists(userId)) 7261 return null; 7262 mFlags = flags; 7263 return super.queryIntent(intent, resolvedType, 7264 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7265 } 7266 7267 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7268 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7269 if (!sUserManager.exists(userId)) 7270 return null; 7271 if (packageProviders == null) { 7272 return null; 7273 } 7274 mFlags = flags; 7275 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7276 final int N = packageProviders.size(); 7277 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7278 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7279 7280 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7281 for (int i = 0; i < N; ++i) { 7282 intentFilters = packageProviders.get(i).intents; 7283 if (intentFilters != null && intentFilters.size() > 0) { 7284 PackageParser.ProviderIntentInfo[] array = 7285 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7286 intentFilters.toArray(array); 7287 listCut.add(array); 7288 } 7289 } 7290 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7291 } 7292 7293 public final void addProvider(PackageParser.Provider p) { 7294 if (mProviders.containsKey(p.getComponentName())) { 7295 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7296 return; 7297 } 7298 7299 mProviders.put(p.getComponentName(), p); 7300 if (DEBUG_SHOW_INFO) { 7301 Log.v(TAG, " " 7302 + (p.info.nonLocalizedLabel != null 7303 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7304 Log.v(TAG, " Class=" + p.info.name); 7305 } 7306 final int NI = p.intents.size(); 7307 int j; 7308 for (j = 0; j < NI; j++) { 7309 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7310 if (DEBUG_SHOW_INFO) { 7311 Log.v(TAG, " IntentFilter:"); 7312 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7313 } 7314 if (!intent.debugCheck()) { 7315 Log.w(TAG, "==> For Provider " + p.info.name); 7316 } 7317 addFilter(intent); 7318 } 7319 } 7320 7321 public final void removeProvider(PackageParser.Provider p) { 7322 mProviders.remove(p.getComponentName()); 7323 if (DEBUG_SHOW_INFO) { 7324 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7325 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7326 Log.v(TAG, " Class=" + p.info.name); 7327 } 7328 final int NI = p.intents.size(); 7329 int j; 7330 for (j = 0; j < NI; j++) { 7331 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7332 if (DEBUG_SHOW_INFO) { 7333 Log.v(TAG, " IntentFilter:"); 7334 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7335 } 7336 removeFilter(intent); 7337 } 7338 } 7339 7340 @Override 7341 protected boolean allowFilterResult( 7342 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7343 ProviderInfo filterPi = filter.provider.info; 7344 for (int i = dest.size() - 1; i >= 0; i--) { 7345 ProviderInfo destPi = dest.get(i).providerInfo; 7346 if (destPi.name == filterPi.name 7347 && destPi.packageName == filterPi.packageName) { 7348 return false; 7349 } 7350 } 7351 return true; 7352 } 7353 7354 @Override 7355 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7356 return new PackageParser.ProviderIntentInfo[size]; 7357 } 7358 7359 @Override 7360 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7361 if (!sUserManager.exists(userId)) 7362 return true; 7363 PackageParser.Package p = filter.provider.owner; 7364 if (p != null) { 7365 PackageSetting ps = (PackageSetting) p.mExtras; 7366 if (ps != null) { 7367 // System apps are never considered stopped for purposes of 7368 // filtering, because there may be no way for the user to 7369 // actually re-launch them. 7370 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7371 && ps.getStopped(userId); 7372 } 7373 } 7374 return false; 7375 } 7376 7377 @Override 7378 protected boolean isPackageForFilter(String packageName, 7379 PackageParser.ProviderIntentInfo info) { 7380 return packageName.equals(info.provider.owner.packageName); 7381 } 7382 7383 @Override 7384 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7385 int match, int userId) { 7386 if (!sUserManager.exists(userId)) 7387 return null; 7388 final PackageParser.ProviderIntentInfo info = filter; 7389 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7390 return null; 7391 } 7392 final PackageParser.Provider provider = info.provider; 7393 if (mSafeMode && (provider.info.applicationInfo.flags 7394 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7395 return null; 7396 } 7397 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7398 if (ps == null) { 7399 return null; 7400 } 7401 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7402 ps.readUserState(userId), userId); 7403 if (pi == null) { 7404 return null; 7405 } 7406 final ResolveInfo res = new ResolveInfo(); 7407 res.providerInfo = pi; 7408 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7409 res.filter = filter; 7410 } 7411 res.priority = info.getPriority(); 7412 res.preferredOrder = provider.owner.mPreferredOrder; 7413 res.match = match; 7414 res.isDefault = info.hasDefault; 7415 res.labelRes = info.labelRes; 7416 res.nonLocalizedLabel = info.nonLocalizedLabel; 7417 res.icon = info.icon; 7418 res.system = isSystemApp(res.providerInfo.applicationInfo); 7419 return res; 7420 } 7421 7422 @Override 7423 protected void sortResults(List<ResolveInfo> results) { 7424 Collections.sort(results, mResolvePrioritySorter); 7425 } 7426 7427 @Override 7428 protected void dumpFilter(PrintWriter out, String prefix, 7429 PackageParser.ProviderIntentInfo filter) { 7430 out.print(prefix); 7431 out.print( 7432 Integer.toHexString(System.identityHashCode(filter.provider))); 7433 out.print(' '); 7434 filter.provider.printComponentShortName(out); 7435 out.print(" filter "); 7436 out.println(Integer.toHexString(System.identityHashCode(filter))); 7437 } 7438 7439 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7440 = new HashMap<ComponentName, PackageParser.Provider>(); 7441 private int mFlags; 7442 }; 7443 7444 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7445 new Comparator<ResolveInfo>() { 7446 public int compare(ResolveInfo r1, ResolveInfo r2) { 7447 int v1 = r1.priority; 7448 int v2 = r2.priority; 7449 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7450 if (v1 != v2) { 7451 return (v1 > v2) ? -1 : 1; 7452 } 7453 v1 = r1.preferredOrder; 7454 v2 = r2.preferredOrder; 7455 if (v1 != v2) { 7456 return (v1 > v2) ? -1 : 1; 7457 } 7458 if (r1.isDefault != r2.isDefault) { 7459 return r1.isDefault ? -1 : 1; 7460 } 7461 v1 = r1.match; 7462 v2 = r2.match; 7463 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7464 if (v1 != v2) { 7465 return (v1 > v2) ? -1 : 1; 7466 } 7467 if (r1.system != r2.system) { 7468 return r1.system ? -1 : 1; 7469 } 7470 return 0; 7471 } 7472 }; 7473 7474 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7475 new Comparator<ProviderInfo>() { 7476 public int compare(ProviderInfo p1, ProviderInfo p2) { 7477 final int v1 = p1.initOrder; 7478 final int v2 = p2.initOrder; 7479 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7480 } 7481 }; 7482 7483 static final void sendPackageBroadcast(String action, String pkg, 7484 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7485 int[] userIds) { 7486 IActivityManager am = ActivityManagerNative.getDefault(); 7487 if (am != null) { 7488 try { 7489 if (userIds == null) { 7490 userIds = am.getRunningUserIds(); 7491 } 7492 for (int id : userIds) { 7493 final Intent intent = new Intent(action, 7494 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7495 if (extras != null) { 7496 intent.putExtras(extras); 7497 } 7498 if (targetPkg != null) { 7499 intent.setPackage(targetPkg); 7500 } 7501 // Modify the UID when posting to other users 7502 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7503 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7504 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7505 intent.putExtra(Intent.EXTRA_UID, uid); 7506 } 7507 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7508 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7509 if (DEBUG_BROADCASTS) { 7510 RuntimeException here = new RuntimeException("here"); 7511 here.fillInStackTrace(); 7512 Slog.d(TAG, "Sending to user " + id + ": " 7513 + intent.toShortString(false, true, false, false) 7514 + " " + intent.getExtras(), here); 7515 } 7516 am.broadcastIntent(null, intent, null, finishedReceiver, 7517 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7518 finishedReceiver != null, false, id); 7519 } 7520 } catch (RemoteException ex) { 7521 } 7522 } 7523 } 7524 7525 /** 7526 * Check if the external storage media is available. This is true if there 7527 * is a mounted external storage medium or if the external storage is 7528 * emulated. 7529 */ 7530 private boolean isExternalMediaAvailable() { 7531 return mMediaMounted || Environment.isExternalStorageEmulated(); 7532 } 7533 7534 @Override 7535 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7536 // writer 7537 synchronized (mPackages) { 7538 if (!isExternalMediaAvailable()) { 7539 // If the external storage is no longer mounted at this point, 7540 // the caller may not have been able to delete all of this 7541 // packages files and can not delete any more. Bail. 7542 return null; 7543 } 7544 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7545 if (lastPackage != null) { 7546 pkgs.remove(lastPackage); 7547 } 7548 if (pkgs.size() > 0) { 7549 return pkgs.get(0); 7550 } 7551 } 7552 return null; 7553 } 7554 7555 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7556 if (false) { 7557 RuntimeException here = new RuntimeException("here"); 7558 here.fillInStackTrace(); 7559 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7560 + " andCode=" + andCode, here); 7561 } 7562 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7563 userId, andCode ? 1 : 0, packageName)); 7564 } 7565 7566 void startCleaningPackages() { 7567 // reader 7568 synchronized (mPackages) { 7569 if (!isExternalMediaAvailable()) { 7570 return; 7571 } 7572 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7573 return; 7574 } 7575 } 7576 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7577 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7578 IActivityManager am = ActivityManagerNative.getDefault(); 7579 if (am != null) { 7580 try { 7581 am.startService(null, intent, null, UserHandle.USER_OWNER); 7582 } catch (RemoteException e) { 7583 } 7584 } 7585 } 7586 7587 private final class AppDirObserver extends FileObserver { 7588 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7589 super(path, mask); 7590 mRootDir = path; 7591 mIsRom = isrom; 7592 mIsPrivileged = isPrivileged; 7593 } 7594 7595 public void onEvent(int event, String path) { 7596 String removedPackage = null; 7597 int removedAppId = -1; 7598 int[] removedUsers = null; 7599 String addedPackage = null; 7600 int addedAppId = -1; 7601 int[] addedUsers = null; 7602 7603 // TODO post a message to the handler to obtain serial ordering 7604 synchronized (mInstallLock) { 7605 String fullPathStr = null; 7606 File fullPath = null; 7607 if (path != null) { 7608 fullPath = new File(mRootDir, path); 7609 fullPathStr = fullPath.getPath(); 7610 } 7611 7612 if (DEBUG_APP_DIR_OBSERVER) 7613 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7614 7615 if (!isApkFile(fullPath)) { 7616 if (DEBUG_APP_DIR_OBSERVER) 7617 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7618 return; 7619 } 7620 7621 // Ignore packages that are being installed or 7622 // have just been installed. 7623 if (ignoreCodePath(fullPathStr)) { 7624 return; 7625 } 7626 PackageParser.Package p = null; 7627 PackageSetting ps = null; 7628 // reader 7629 synchronized (mPackages) { 7630 p = mAppDirs.get(fullPathStr); 7631 if (p != null) { 7632 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7633 if (ps != null) { 7634 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7635 } else { 7636 removedUsers = sUserManager.getUserIds(); 7637 } 7638 } 7639 addedUsers = sUserManager.getUserIds(); 7640 } 7641 if ((event&REMOVE_EVENTS) != 0) { 7642 if (ps != null) { 7643 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7644 removePackageLI(ps, true); 7645 removedPackage = ps.name; 7646 removedAppId = ps.appId; 7647 } 7648 } 7649 7650 if ((event&ADD_EVENTS) != 0) { 7651 if (p == null) { 7652 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7653 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7654 if (mIsRom) { 7655 flags |= PackageParser.PARSE_IS_SYSTEM 7656 | PackageParser.PARSE_IS_SYSTEM_DIR; 7657 if (mIsPrivileged) { 7658 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7659 } 7660 } 7661 p = scanPackageLI(fullPath, flags, 7662 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7663 System.currentTimeMillis(), UserHandle.ALL, null); 7664 if (p != null) { 7665 /* 7666 * TODO this seems dangerous as the package may have 7667 * changed since we last acquired the mPackages 7668 * lock. 7669 */ 7670 // writer 7671 synchronized (mPackages) { 7672 updatePermissionsLPw(p.packageName, p, 7673 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7674 } 7675 addedPackage = p.applicationInfo.packageName; 7676 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7677 } 7678 } 7679 } 7680 7681 // reader 7682 synchronized (mPackages) { 7683 mSettings.writeLPr(); 7684 } 7685 } 7686 7687 if (removedPackage != null) { 7688 Bundle extras = new Bundle(1); 7689 extras.putInt(Intent.EXTRA_UID, removedAppId); 7690 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7691 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7692 extras, null, null, removedUsers); 7693 } 7694 if (addedPackage != null) { 7695 Bundle extras = new Bundle(1); 7696 extras.putInt(Intent.EXTRA_UID, addedAppId); 7697 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7698 extras, null, null, addedUsers); 7699 } 7700 } 7701 7702 private final String mRootDir; 7703 private final boolean mIsRom; 7704 private final boolean mIsPrivileged; 7705 } 7706 7707 @Override 7708 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7709 String installerPackageName, VerificationParams verificationParams, 7710 String packageAbiOverride) { 7711 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7712 null); 7713 7714 final File originFile = new File(originPath); 7715 final int uid = Binder.getCallingUid(); 7716 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7717 try { 7718 if (observer != null) { 7719 observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED); 7720 } 7721 } catch (RemoteException re) { 7722 } 7723 return; 7724 } 7725 7726 UserHandle user; 7727 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7728 user = UserHandle.ALL; 7729 } else { 7730 user = new UserHandle(UserHandle.getUserId(uid)); 7731 } 7732 7733 final int filteredFlags; 7734 if (uid == Process.SHELL_UID || uid == 0) { 7735 if (DEBUG_INSTALL) { 7736 Slog.v(TAG, "Install from ADB"); 7737 } 7738 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7739 } else { 7740 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7741 } 7742 7743 verificationParams.setInstallerUid(uid); 7744 7745 final Message msg = mHandler.obtainMessage(INIT_COPY); 7746 msg.obj = new InstallParams(originFile, false, observer, filteredFlags, 7747 installerPackageName, verificationParams, user, packageAbiOverride); 7748 mHandler.sendMessage(msg); 7749 } 7750 7751 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer, 7752 PackageInstallerParams params, String installerPackageName, int installerUid, 7753 UserHandle user) { 7754 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7755 params.referrerUri, installerUid, null); 7756 7757 final Message msg = mHandler.obtainMessage(INIT_COPY); 7758 msg.obj = new InstallParams(stageDir, true, observer, params.installFlags, 7759 installerPackageName, verifParams, user, params.abiOverride); 7760 mHandler.sendMessage(msg); 7761 } 7762 7763 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7764 Bundle extras = new Bundle(1); 7765 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7766 7767 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7768 packageName, extras, null, null, new int[] {userId}); 7769 try { 7770 IActivityManager am = ActivityManagerNative.getDefault(); 7771 final boolean isSystem = 7772 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7773 if (isSystem && am.isUserRunning(userId, false)) { 7774 // The just-installed/enabled app is bundled on the system, so presumed 7775 // to be able to run automatically without needing an explicit launch. 7776 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7777 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7778 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7779 .setPackage(packageName); 7780 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7781 android.app.AppOpsManager.OP_NONE, false, false, userId); 7782 } 7783 } catch (RemoteException e) { 7784 // shouldn't happen 7785 Slog.w(TAG, "Unable to bootstrap installed package", e); 7786 } 7787 } 7788 7789 @Override 7790 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7791 int userId) { 7792 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7793 PackageSetting pkgSetting; 7794 final int uid = Binder.getCallingUid(); 7795 if (UserHandle.getUserId(uid) != userId) { 7796 mContext.enforceCallingOrSelfPermission( 7797 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7798 "setApplicationBlockedSetting for user " + userId); 7799 } 7800 7801 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7802 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7803 return false; 7804 } 7805 7806 long callingId = Binder.clearCallingIdentity(); 7807 try { 7808 boolean sendAdded = false; 7809 boolean sendRemoved = false; 7810 // writer 7811 synchronized (mPackages) { 7812 pkgSetting = mSettings.mPackages.get(packageName); 7813 if (pkgSetting == null) { 7814 return false; 7815 } 7816 if (pkgSetting.getBlocked(userId) != blocked) { 7817 pkgSetting.setBlocked(blocked, userId); 7818 mSettings.writePackageRestrictionsLPr(userId); 7819 if (blocked) { 7820 sendRemoved = true; 7821 } else { 7822 sendAdded = true; 7823 } 7824 } 7825 } 7826 if (sendAdded) { 7827 sendPackageAddedForUser(packageName, pkgSetting, userId); 7828 return true; 7829 } 7830 if (sendRemoved) { 7831 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7832 "blocking pkg"); 7833 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7834 } 7835 } finally { 7836 Binder.restoreCallingIdentity(callingId); 7837 } 7838 return false; 7839 } 7840 7841 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7842 int userId) { 7843 final PackageRemovedInfo info = new PackageRemovedInfo(); 7844 info.removedPackage = packageName; 7845 info.removedUsers = new int[] {userId}; 7846 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7847 info.sendBroadcast(false, false, false); 7848 } 7849 7850 /** 7851 * Returns true if application is not found or there was an error. Otherwise it returns 7852 * the blocked state of the package for the given user. 7853 */ 7854 @Override 7855 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7856 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7857 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7858 "getApplicationBlocked for user " + userId); 7859 PackageSetting pkgSetting; 7860 long callingId = Binder.clearCallingIdentity(); 7861 try { 7862 // writer 7863 synchronized (mPackages) { 7864 pkgSetting = mSettings.mPackages.get(packageName); 7865 if (pkgSetting == null) { 7866 return true; 7867 } 7868 return pkgSetting.getBlocked(userId); 7869 } 7870 } finally { 7871 Binder.restoreCallingIdentity(callingId); 7872 } 7873 } 7874 7875 /** 7876 * @hide 7877 */ 7878 @Override 7879 public int installExistingPackageAsUser(String packageName, int userId) { 7880 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7881 null); 7882 PackageSetting pkgSetting; 7883 final int uid = Binder.getCallingUid(); 7884 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7885 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7886 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7887 } 7888 7889 long callingId = Binder.clearCallingIdentity(); 7890 try { 7891 boolean sendAdded = false; 7892 Bundle extras = new Bundle(1); 7893 7894 // writer 7895 synchronized (mPackages) { 7896 pkgSetting = mSettings.mPackages.get(packageName); 7897 if (pkgSetting == null) { 7898 return PackageManager.INSTALL_FAILED_INVALID_URI; 7899 } 7900 if (!pkgSetting.getInstalled(userId)) { 7901 pkgSetting.setInstalled(true, userId); 7902 pkgSetting.setBlocked(false, userId); 7903 mSettings.writePackageRestrictionsLPr(userId); 7904 sendAdded = true; 7905 } 7906 } 7907 7908 if (sendAdded) { 7909 sendPackageAddedForUser(packageName, pkgSetting, userId); 7910 } 7911 } finally { 7912 Binder.restoreCallingIdentity(callingId); 7913 } 7914 7915 return PackageManager.INSTALL_SUCCEEDED; 7916 } 7917 7918 boolean isUserRestricted(int userId, String restrictionKey) { 7919 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7920 if (restrictions.getBoolean(restrictionKey, false)) { 7921 Log.w(TAG, "User is restricted: " + restrictionKey); 7922 return true; 7923 } 7924 return false; 7925 } 7926 7927 @Override 7928 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7929 mContext.enforceCallingOrSelfPermission( 7930 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7931 "Only package verification agents can verify applications"); 7932 7933 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7934 final PackageVerificationResponse response = new PackageVerificationResponse( 7935 verificationCode, Binder.getCallingUid()); 7936 msg.arg1 = id; 7937 msg.obj = response; 7938 mHandler.sendMessage(msg); 7939 } 7940 7941 @Override 7942 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7943 long millisecondsToDelay) { 7944 mContext.enforceCallingOrSelfPermission( 7945 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7946 "Only package verification agents can extend verification timeouts"); 7947 7948 final PackageVerificationState state = mPendingVerification.get(id); 7949 final PackageVerificationResponse response = new PackageVerificationResponse( 7950 verificationCodeAtTimeout, Binder.getCallingUid()); 7951 7952 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7953 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7954 } 7955 if (millisecondsToDelay < 0) { 7956 millisecondsToDelay = 0; 7957 } 7958 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7959 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7960 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7961 } 7962 7963 if ((state != null) && !state.timeoutExtended()) { 7964 state.extendTimeout(); 7965 7966 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7967 msg.arg1 = id; 7968 msg.obj = response; 7969 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7970 } 7971 } 7972 7973 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7974 int verificationCode, UserHandle user) { 7975 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7976 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7977 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7978 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7979 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7980 7981 mContext.sendBroadcastAsUser(intent, user, 7982 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7983 } 7984 7985 private ComponentName matchComponentForVerifier(String packageName, 7986 List<ResolveInfo> receivers) { 7987 ActivityInfo targetReceiver = null; 7988 7989 final int NR = receivers.size(); 7990 for (int i = 0; i < NR; i++) { 7991 final ResolveInfo info = receivers.get(i); 7992 if (info.activityInfo == null) { 7993 continue; 7994 } 7995 7996 if (packageName.equals(info.activityInfo.packageName)) { 7997 targetReceiver = info.activityInfo; 7998 break; 7999 } 8000 } 8001 8002 if (targetReceiver == null) { 8003 return null; 8004 } 8005 8006 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8007 } 8008 8009 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8010 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8011 if (pkgInfo.verifiers.length == 0) { 8012 return null; 8013 } 8014 8015 final int N = pkgInfo.verifiers.length; 8016 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8017 for (int i = 0; i < N; i++) { 8018 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8019 8020 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8021 receivers); 8022 if (comp == null) { 8023 continue; 8024 } 8025 8026 final int verifierUid = getUidForVerifier(verifierInfo); 8027 if (verifierUid == -1) { 8028 continue; 8029 } 8030 8031 if (DEBUG_VERIFY) { 8032 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8033 + " with the correct signature"); 8034 } 8035 sufficientVerifiers.add(comp); 8036 verificationState.addSufficientVerifier(verifierUid); 8037 } 8038 8039 return sufficientVerifiers; 8040 } 8041 8042 private int getUidForVerifier(VerifierInfo verifierInfo) { 8043 synchronized (mPackages) { 8044 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8045 if (pkg == null) { 8046 return -1; 8047 } else if (pkg.mSignatures.length != 1) { 8048 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8049 + " has more than one signature; ignoring"); 8050 return -1; 8051 } 8052 8053 /* 8054 * If the public key of the package's signature does not match 8055 * our expected public key, then this is a different package and 8056 * we should skip. 8057 */ 8058 8059 final byte[] expectedPublicKey; 8060 try { 8061 final Signature verifierSig = pkg.mSignatures[0]; 8062 final PublicKey publicKey = verifierSig.getPublicKey(); 8063 expectedPublicKey = publicKey.getEncoded(); 8064 } catch (CertificateException e) { 8065 return -1; 8066 } 8067 8068 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8069 8070 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8071 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8072 + " does not have the expected public key; ignoring"); 8073 return -1; 8074 } 8075 8076 return pkg.applicationInfo.uid; 8077 } 8078 } 8079 8080 @Override 8081 public void finishPackageInstall(int token) { 8082 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8083 8084 if (DEBUG_INSTALL) { 8085 Slog.v(TAG, "BM finishing package install for " + token); 8086 } 8087 8088 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8089 mHandler.sendMessage(msg); 8090 } 8091 8092 /** 8093 * Get the verification agent timeout. 8094 * 8095 * @return verification timeout in milliseconds 8096 */ 8097 private long getVerificationTimeout() { 8098 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8099 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8100 DEFAULT_VERIFICATION_TIMEOUT); 8101 } 8102 8103 /** 8104 * Get the default verification agent response code. 8105 * 8106 * @return default verification response code 8107 */ 8108 private int getDefaultVerificationResponse() { 8109 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8110 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8111 DEFAULT_VERIFICATION_RESPONSE); 8112 } 8113 8114 /** 8115 * Check whether or not package verification has been enabled. 8116 * 8117 * @return true if verification should be performed 8118 */ 8119 private boolean isVerificationEnabled(int userId, int flags) { 8120 if (!DEFAULT_VERIFY_ENABLE) { 8121 return false; 8122 } 8123 8124 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8125 8126 // Check if installing from ADB 8127 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8128 // Do not run verification in a test harness environment 8129 if (ActivityManager.isRunningInTestHarness()) { 8130 return false; 8131 } 8132 if (ensureVerifyAppsEnabled) { 8133 return true; 8134 } 8135 // Check if the developer does not want package verification for ADB installs 8136 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8137 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8138 return false; 8139 } 8140 } 8141 8142 if (ensureVerifyAppsEnabled) { 8143 return true; 8144 } 8145 8146 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8147 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8148 } 8149 8150 /** 8151 * Get the "allow unknown sources" setting. 8152 * 8153 * @return the current "allow unknown sources" setting 8154 */ 8155 private int getUnknownSourcesSettings() { 8156 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8157 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8158 -1); 8159 } 8160 8161 @Override 8162 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8163 final int uid = Binder.getCallingUid(); 8164 // writer 8165 synchronized (mPackages) { 8166 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8167 if (targetPackageSetting == null) { 8168 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8169 } 8170 8171 PackageSetting installerPackageSetting; 8172 if (installerPackageName != null) { 8173 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8174 if (installerPackageSetting == null) { 8175 throw new IllegalArgumentException("Unknown installer package: " 8176 + installerPackageName); 8177 } 8178 } else { 8179 installerPackageSetting = null; 8180 } 8181 8182 Signature[] callerSignature; 8183 Object obj = mSettings.getUserIdLPr(uid); 8184 if (obj != null) { 8185 if (obj instanceof SharedUserSetting) { 8186 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8187 } else if (obj instanceof PackageSetting) { 8188 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8189 } else { 8190 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8191 } 8192 } else { 8193 throw new SecurityException("Unknown calling uid " + uid); 8194 } 8195 8196 // Verify: can't set installerPackageName to a package that is 8197 // not signed with the same cert as the caller. 8198 if (installerPackageSetting != null) { 8199 if (compareSignatures(callerSignature, 8200 installerPackageSetting.signatures.mSignatures) 8201 != PackageManager.SIGNATURE_MATCH) { 8202 throw new SecurityException( 8203 "Caller does not have same cert as new installer package " 8204 + installerPackageName); 8205 } 8206 } 8207 8208 // Verify: if target already has an installer package, it must 8209 // be signed with the same cert as the caller. 8210 if (targetPackageSetting.installerPackageName != null) { 8211 PackageSetting setting = mSettings.mPackages.get( 8212 targetPackageSetting.installerPackageName); 8213 // If the currently set package isn't valid, then it's always 8214 // okay to change it. 8215 if (setting != null) { 8216 if (compareSignatures(callerSignature, 8217 setting.signatures.mSignatures) 8218 != PackageManager.SIGNATURE_MATCH) { 8219 throw new SecurityException( 8220 "Caller does not have same cert as old installer package " 8221 + targetPackageSetting.installerPackageName); 8222 } 8223 } 8224 } 8225 8226 // Okay! 8227 targetPackageSetting.installerPackageName = installerPackageName; 8228 scheduleWriteSettingsLocked(); 8229 } 8230 } 8231 8232 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8233 // Queue up an async operation since the package installation may take a little while. 8234 mHandler.post(new Runnable() { 8235 public void run() { 8236 mHandler.removeCallbacks(this); 8237 // Result object to be returned 8238 PackageInstalledInfo res = new PackageInstalledInfo(); 8239 res.returnCode = currentStatus; 8240 res.uid = -1; 8241 res.pkg = null; 8242 res.removedInfo = new PackageRemovedInfo(); 8243 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8244 args.doPreInstall(res.returnCode); 8245 synchronized (mInstallLock) { 8246 installPackageLI(args, true, res); 8247 } 8248 args.doPostInstall(res.returnCode, res.uid); 8249 } 8250 8251 // A restore should be performed at this point if (a) the install 8252 // succeeded, (b) the operation is not an update, and (c) the new 8253 // package has a backupAgent defined. 8254 final boolean update = res.removedInfo.removedPackage != null; 8255 boolean doRestore = (!update 8256 && res.pkg != null 8257 && res.pkg.applicationInfo.backupAgentName != null); 8258 8259 // Set up the post-install work request bookkeeping. This will be used 8260 // and cleaned up by the post-install event handling regardless of whether 8261 // there's a restore pass performed. Token values are >= 1. 8262 int token; 8263 if (mNextInstallToken < 0) mNextInstallToken = 1; 8264 token = mNextInstallToken++; 8265 8266 PostInstallData data = new PostInstallData(args, res); 8267 mRunningInstalls.put(token, data); 8268 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8269 8270 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8271 // Pass responsibility to the Backup Manager. It will perform a 8272 // restore if appropriate, then pass responsibility back to the 8273 // Package Manager to run the post-install observer callbacks 8274 // and broadcasts. 8275 IBackupManager bm = IBackupManager.Stub.asInterface( 8276 ServiceManager.getService(Context.BACKUP_SERVICE)); 8277 if (bm != null) { 8278 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8279 + " to BM for possible restore"); 8280 try { 8281 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8282 } catch (RemoteException e) { 8283 // can't happen; the backup manager is local 8284 } catch (Exception e) { 8285 Slog.e(TAG, "Exception trying to enqueue restore", e); 8286 doRestore = false; 8287 } 8288 } else { 8289 Slog.e(TAG, "Backup Manager not found!"); 8290 doRestore = false; 8291 } 8292 } 8293 8294 if (!doRestore) { 8295 // No restore possible, or the Backup Manager was mysteriously not 8296 // available -- just fire the post-install work request directly. 8297 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8298 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8299 mHandler.sendMessage(msg); 8300 } 8301 } 8302 }); 8303 } 8304 8305 private abstract class HandlerParams { 8306 private static final int MAX_RETRIES = 4; 8307 8308 /** 8309 * Number of times startCopy() has been attempted and had a non-fatal 8310 * error. 8311 */ 8312 private int mRetries = 0; 8313 8314 /** User handle for the user requesting the information or installation. */ 8315 private final UserHandle mUser; 8316 8317 HandlerParams(UserHandle user) { 8318 mUser = user; 8319 } 8320 8321 UserHandle getUser() { 8322 return mUser; 8323 } 8324 8325 final boolean startCopy() { 8326 boolean res; 8327 try { 8328 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8329 8330 if (++mRetries > MAX_RETRIES) { 8331 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8332 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8333 handleServiceError(); 8334 return false; 8335 } else { 8336 handleStartCopy(); 8337 res = true; 8338 } 8339 } catch (RemoteException e) { 8340 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8341 mHandler.sendEmptyMessage(MCS_RECONNECT); 8342 res = false; 8343 } 8344 handleReturnCode(); 8345 return res; 8346 } 8347 8348 final void serviceError() { 8349 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8350 handleServiceError(); 8351 handleReturnCode(); 8352 } 8353 8354 abstract void handleStartCopy() throws RemoteException; 8355 abstract void handleServiceError(); 8356 abstract void handleReturnCode(); 8357 } 8358 8359 class MeasureParams extends HandlerParams { 8360 private final PackageStats mStats; 8361 private boolean mSuccess; 8362 8363 private final IPackageStatsObserver mObserver; 8364 8365 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8366 super(new UserHandle(stats.userHandle)); 8367 mObserver = observer; 8368 mStats = stats; 8369 } 8370 8371 @Override 8372 public String toString() { 8373 return "MeasureParams{" 8374 + Integer.toHexString(System.identityHashCode(this)) 8375 + " " + mStats.packageName + "}"; 8376 } 8377 8378 @Override 8379 void handleStartCopy() throws RemoteException { 8380 synchronized (mInstallLock) { 8381 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8382 } 8383 8384 if (mSuccess) { 8385 final boolean mounted; 8386 if (Environment.isExternalStorageEmulated()) { 8387 mounted = true; 8388 } else { 8389 final String status = Environment.getExternalStorageState(); 8390 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8391 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8392 } 8393 8394 if (mounted) { 8395 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8396 8397 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8398 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8399 8400 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8401 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8402 8403 // Always subtract cache size, since it's a subdirectory 8404 mStats.externalDataSize -= mStats.externalCacheSize; 8405 8406 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8407 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8408 8409 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8410 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8411 } 8412 } 8413 } 8414 8415 @Override 8416 void handleReturnCode() { 8417 if (mObserver != null) { 8418 try { 8419 mObserver.onGetStatsCompleted(mStats, mSuccess); 8420 } catch (RemoteException e) { 8421 Slog.i(TAG, "Observer no longer exists."); 8422 } 8423 } 8424 } 8425 8426 @Override 8427 void handleServiceError() { 8428 Slog.e(TAG, "Could not measure application " + mStats.packageName 8429 + " external storage"); 8430 } 8431 } 8432 8433 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8434 throws RemoteException { 8435 long result = 0; 8436 for (File path : paths) { 8437 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8438 } 8439 return result; 8440 } 8441 8442 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8443 for (File path : paths) { 8444 try { 8445 mcs.clearDirectory(path.getAbsolutePath()); 8446 } catch (RemoteException e) { 8447 } 8448 } 8449 } 8450 8451 class InstallParams extends HandlerParams { 8452 /** 8453 * Location where install is coming from, before it has been 8454 * copied/renamed into place. This could be a single monolithic APK 8455 * file, or a cluster directory. This location may be untrusted. 8456 */ 8457 final File originFile; 8458 8459 /** 8460 * Flag indicating that {@link #originFile} has already been staged, 8461 * meaning downstream users don't need to defensively copy the contents. 8462 */ 8463 boolean originStaged; 8464 8465 final IPackageInstallObserver2 observer; 8466 int flags; 8467 final String installerPackageName; 8468 final VerificationParams verificationParams; 8469 private InstallArgs mArgs; 8470 private int mRet; 8471 final String packageAbiOverride; 8472 boolean multiArch; 8473 8474 InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 8475 int flags, String installerPackageName, VerificationParams verificationParams, 8476 UserHandle user, String packageAbiOverride) { 8477 super(user); 8478 this.originFile = Preconditions.checkNotNull(originFile); 8479 this.originStaged = originStaged; 8480 this.observer = observer; 8481 this.flags = flags; 8482 this.installerPackageName = installerPackageName; 8483 this.verificationParams = verificationParams; 8484 this.packageAbiOverride = packageAbiOverride; 8485 } 8486 8487 @Override 8488 public String toString() { 8489 return "InstallParams{" 8490 + Integer.toHexString(System.identityHashCode(this)) 8491 + " " + originFile + "}"; 8492 } 8493 8494 public ManifestDigest getManifestDigest() { 8495 if (verificationParams == null) { 8496 return null; 8497 } 8498 return verificationParams.getManifestDigest(); 8499 } 8500 8501 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8502 String packageName = pkgLite.packageName; 8503 int installLocation = pkgLite.installLocation; 8504 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8505 // reader 8506 synchronized (mPackages) { 8507 PackageParser.Package pkg = mPackages.get(packageName); 8508 if (pkg != null) { 8509 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8510 // Check for downgrading. 8511 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8512 if (pkgLite.versionCode < pkg.mVersionCode) { 8513 Slog.w(TAG, "Can't install update of " + packageName 8514 + " update version " + pkgLite.versionCode 8515 + " is older than installed version " 8516 + pkg.mVersionCode); 8517 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8518 } 8519 } 8520 // Check for updated system application. 8521 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8522 if (onSd) { 8523 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8524 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8525 } 8526 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8527 } else { 8528 if (onSd) { 8529 // Install flag overrides everything. 8530 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8531 } 8532 // If current upgrade specifies particular preference 8533 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8534 // Application explicitly specified internal. 8535 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8536 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8537 // App explictly prefers external. Let policy decide 8538 } else { 8539 // Prefer previous location 8540 if (isExternal(pkg)) { 8541 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8542 } 8543 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8544 } 8545 } 8546 } else { 8547 // Invalid install. Return error code 8548 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8549 } 8550 } 8551 } 8552 // All the special cases have been taken care of. 8553 // Return result based on recommended install location. 8554 if (onSd) { 8555 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8556 } 8557 return pkgLite.recommendedInstallLocation; 8558 } 8559 8560 private long getMemoryLowThreshold() { 8561 final DeviceStorageMonitorInternal 8562 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8563 if (dsm == null) { 8564 return 0L; 8565 } 8566 return dsm.getMemoryLowThreshold(); 8567 } 8568 8569 /* 8570 * Invoke remote method to get package information and install 8571 * location values. Override install location based on default 8572 * policy if needed and then create install arguments based 8573 * on the install location. 8574 */ 8575 public void handleStartCopy() throws RemoteException { 8576 int ret = PackageManager.INSTALL_SUCCEEDED; 8577 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8578 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8579 PackageInfoLite pkgLite = null; 8580 8581 if (onInt && onSd) { 8582 // Check if both bits are set. 8583 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8584 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8585 } else { 8586 final long lowThreshold = getMemoryLowThreshold(); 8587 if (lowThreshold == 0L) { 8588 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8589 } 8590 8591 // Remote call to find out default install location 8592 final String originPath = originFile.getAbsolutePath(); 8593 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8594 packageAbiOverride); 8595 // Keep track of whether this package is a multiArch package until 8596 // we perform a full scan of it. We need to do this because we might 8597 // end up extracting the package shared libraries before we perform 8598 // a full scan. 8599 multiArch = pkgLite.multiArch; 8600 8601 /* 8602 * If we have too little free space, try to free cache 8603 * before giving up. 8604 */ 8605 if (pkgLite.recommendedInstallLocation 8606 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8607 final long size = mContainerService.calculateInstalledSize( 8608 originPath, isForwardLocked(), packageAbiOverride); 8609 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8610 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8611 lowThreshold, packageAbiOverride); 8612 } 8613 /* 8614 * The cache free must have deleted the file we 8615 * downloaded to install. 8616 * 8617 * TODO: fix the "freeCache" call to not delete 8618 * the file we care about. 8619 */ 8620 if (pkgLite.recommendedInstallLocation 8621 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8622 pkgLite.recommendedInstallLocation 8623 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8624 } 8625 } 8626 } 8627 8628 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8629 int loc = pkgLite.recommendedInstallLocation; 8630 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8631 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8632 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8633 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8634 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8635 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8636 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8637 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8638 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8639 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8640 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8641 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8642 } else { 8643 // Override with defaults if needed. 8644 loc = installLocationPolicy(pkgLite, flags); 8645 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8646 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8647 } else if (!onSd && !onInt) { 8648 // Override install location with flags 8649 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8650 // Set the flag to install on external media. 8651 flags |= PackageManager.INSTALL_EXTERNAL; 8652 flags &= ~PackageManager.INSTALL_INTERNAL; 8653 } else { 8654 // Make sure the flag for installing on external 8655 // media is unset 8656 flags |= PackageManager.INSTALL_INTERNAL; 8657 flags &= ~PackageManager.INSTALL_EXTERNAL; 8658 } 8659 } 8660 } 8661 } 8662 8663 final InstallArgs args = createInstallArgs(this); 8664 mArgs = args; 8665 8666 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8667 /* 8668 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8669 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8670 */ 8671 int userIdentifier = getUser().getIdentifier(); 8672 if (userIdentifier == UserHandle.USER_ALL 8673 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8674 userIdentifier = UserHandle.USER_OWNER; 8675 } 8676 8677 /* 8678 * Determine if we have any installed package verifiers. If we 8679 * do, then we'll defer to them to verify the packages. 8680 */ 8681 final int requiredUid = mRequiredVerifierPackage == null ? -1 8682 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8683 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8684 // TODO: send verifier the install session instead of uri 8685 final Intent verification = new Intent( 8686 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8687 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8688 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8689 8690 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8691 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8692 0 /* TODO: Which userId? */); 8693 8694 if (DEBUG_VERIFY) { 8695 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8696 + verification.toString() + " with " + pkgLite.verifiers.length 8697 + " optional verifiers"); 8698 } 8699 8700 final int verificationId = mPendingVerificationToken++; 8701 8702 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8703 8704 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8705 installerPackageName); 8706 8707 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8708 8709 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8710 pkgLite.packageName); 8711 8712 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8713 pkgLite.versionCode); 8714 8715 if (verificationParams != null) { 8716 if (verificationParams.getVerificationURI() != null) { 8717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8718 verificationParams.getVerificationURI()); 8719 } 8720 if (verificationParams.getOriginatingURI() != null) { 8721 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8722 verificationParams.getOriginatingURI()); 8723 } 8724 if (verificationParams.getReferrer() != null) { 8725 verification.putExtra(Intent.EXTRA_REFERRER, 8726 verificationParams.getReferrer()); 8727 } 8728 if (verificationParams.getOriginatingUid() >= 0) { 8729 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8730 verificationParams.getOriginatingUid()); 8731 } 8732 if (verificationParams.getInstallerUid() >= 0) { 8733 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8734 verificationParams.getInstallerUid()); 8735 } 8736 } 8737 8738 final PackageVerificationState verificationState = new PackageVerificationState( 8739 requiredUid, args); 8740 8741 mPendingVerification.append(verificationId, verificationState); 8742 8743 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8744 receivers, verificationState); 8745 8746 /* 8747 * If any sufficient verifiers were listed in the package 8748 * manifest, attempt to ask them. 8749 */ 8750 if (sufficientVerifiers != null) { 8751 final int N = sufficientVerifiers.size(); 8752 if (N == 0) { 8753 Slog.i(TAG, "Additional verifiers required, but none installed."); 8754 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8755 } else { 8756 for (int i = 0; i < N; i++) { 8757 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8758 8759 final Intent sufficientIntent = new Intent(verification); 8760 sufficientIntent.setComponent(verifierComponent); 8761 8762 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8763 } 8764 } 8765 } 8766 8767 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8768 mRequiredVerifierPackage, receivers); 8769 if (ret == PackageManager.INSTALL_SUCCEEDED 8770 && mRequiredVerifierPackage != null) { 8771 /* 8772 * Send the intent to the required verification agent, 8773 * but only start the verification timeout after the 8774 * target BroadcastReceivers have run. 8775 */ 8776 verification.setComponent(requiredVerifierComponent); 8777 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8778 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8779 new BroadcastReceiver() { 8780 @Override 8781 public void onReceive(Context context, Intent intent) { 8782 final Message msg = mHandler 8783 .obtainMessage(CHECK_PENDING_VERIFICATION); 8784 msg.arg1 = verificationId; 8785 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8786 } 8787 }, null, 0, null, null); 8788 8789 /* 8790 * We don't want the copy to proceed until verification 8791 * succeeds, so null out this field. 8792 */ 8793 mArgs = null; 8794 } 8795 } else { 8796 /* 8797 * No package verification is enabled, so immediately start 8798 * the remote call to initiate copy using temporary file. 8799 */ 8800 ret = args.copyApk(mContainerService, true); 8801 } 8802 } 8803 8804 mRet = ret; 8805 } 8806 8807 @Override 8808 void handleReturnCode() { 8809 // If mArgs is null, then MCS couldn't be reached. When it 8810 // reconnects, it will try again to install. At that point, this 8811 // will succeed. 8812 if (mArgs != null) { 8813 processPendingInstall(mArgs, mRet); 8814 } 8815 } 8816 8817 @Override 8818 void handleServiceError() { 8819 mArgs = createInstallArgs(this); 8820 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8821 } 8822 8823 public boolean isForwardLocked() { 8824 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8825 } 8826 } 8827 8828 /* 8829 * Utility class used in movePackage api. 8830 * srcArgs and targetArgs are not set for invalid flags and make 8831 * sure to do null checks when invoking methods on them. 8832 * We probably want to return ErrorPrams for both failed installs 8833 * and moves. 8834 */ 8835 class MoveParams extends HandlerParams { 8836 final IPackageMoveObserver observer; 8837 final int flags; 8838 final String packageName; 8839 final InstallArgs srcArgs; 8840 final InstallArgs targetArgs; 8841 int uid; 8842 int mRet; 8843 8844 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8845 String packageName, String[] instructionSets, int uid, UserHandle user, 8846 boolean isMultiArch) { 8847 super(user); 8848 this.srcArgs = srcArgs; 8849 this.observer = observer; 8850 this.flags = flags; 8851 this.packageName = packageName; 8852 this.uid = uid; 8853 if (srcArgs != null) { 8854 final String codePath = srcArgs.getCodePath(); 8855 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8856 instructionSets, isMultiArch); 8857 } else { 8858 targetArgs = null; 8859 } 8860 } 8861 8862 @Override 8863 public String toString() { 8864 return "MoveParams{" 8865 + Integer.toHexString(System.identityHashCode(this)) 8866 + " " + packageName + "}"; 8867 } 8868 8869 public void handleStartCopy() throws RemoteException { 8870 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8871 // Check for storage space on target medium 8872 if (!targetArgs.checkFreeStorage(mContainerService)) { 8873 Log.w(TAG, "Insufficient storage to install"); 8874 return; 8875 } 8876 8877 mRet = srcArgs.doPreCopy(); 8878 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8879 return; 8880 } 8881 8882 mRet = targetArgs.copyApk(mContainerService, false); 8883 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8884 srcArgs.doPostCopy(uid); 8885 return; 8886 } 8887 8888 mRet = srcArgs.doPostCopy(uid); 8889 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8890 return; 8891 } 8892 8893 mRet = targetArgs.doPreInstall(mRet); 8894 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8895 return; 8896 } 8897 8898 if (DEBUG_SD_INSTALL) { 8899 StringBuilder builder = new StringBuilder(); 8900 if (srcArgs != null) { 8901 builder.append("src: "); 8902 builder.append(srcArgs.getCodePath()); 8903 } 8904 if (targetArgs != null) { 8905 builder.append(" target : "); 8906 builder.append(targetArgs.getCodePath()); 8907 } 8908 Log.i(TAG, builder.toString()); 8909 } 8910 } 8911 8912 @Override 8913 void handleReturnCode() { 8914 targetArgs.doPostInstall(mRet, uid); 8915 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8916 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8917 currentStatus = PackageManager.MOVE_SUCCEEDED; 8918 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8919 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8920 } 8921 processPendingMove(this, currentStatus); 8922 } 8923 8924 @Override 8925 void handleServiceError() { 8926 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8927 } 8928 } 8929 8930 /** 8931 * Used during creation of InstallArgs 8932 * 8933 * @param flags package installation flags 8934 * @return true if should be installed on external storage 8935 */ 8936 private static boolean installOnSd(int flags) { 8937 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8938 return false; 8939 } 8940 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8941 return true; 8942 } 8943 return false; 8944 } 8945 8946 /** 8947 * Used during creation of InstallArgs 8948 * 8949 * @param flags package installation flags 8950 * @return true if should be installed as forward locked 8951 */ 8952 private static boolean installForwardLocked(int flags) { 8953 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8954 } 8955 8956 private InstallArgs createInstallArgs(InstallParams params) { 8957 // TODO: extend to support incoming zero-copy locations 8958 8959 if (installOnSd(params.flags) || params.isForwardLocked()) { 8960 return new AsecInstallArgs(params); 8961 } else { 8962 return new FileInstallArgs(params); 8963 } 8964 } 8965 8966 /** 8967 * Create args that describe an existing installed package. Typically used 8968 * when cleaning up old installs, or used as a move source. 8969 */ 8970 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 8971 String resourcePath, String nativeLibraryRoot, String[] instructionSets, 8972 boolean isMultiArch) { 8973 final boolean isInAsec; 8974 if (installOnSd(flags)) { 8975 /* Apps on SD card are always in ASEC containers. */ 8976 isInAsec = true; 8977 } else if (installForwardLocked(flags) 8978 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8979 /* 8980 * Forward-locked apps are only in ASEC containers if they're the 8981 * new style 8982 */ 8983 isInAsec = true; 8984 } else { 8985 isInAsec = false; 8986 } 8987 8988 if (isInAsec) { 8989 return new AsecInstallArgs(codePath, instructionSets, 8990 installOnSd(flags), installForwardLocked(flags), isMultiArch); 8991 } else { 8992 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 8993 instructionSets, isMultiArch); 8994 } 8995 } 8996 8997 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 8998 String[] instructionSets, boolean isMultiArch) { 8999 final File codeFile = new File(codePath); 9000 if (installOnSd(flags) || installForwardLocked(flags)) { 9001 String cid = getNextCodePath(codePath, pkgName, "/" 9002 + AsecInstallArgs.RES_FILE_NAME); 9003 return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags), 9004 installForwardLocked(flags), isMultiArch); 9005 } else { 9006 return new FileInstallArgs(codeFile, instructionSets, isMultiArch); 9007 } 9008 } 9009 9010 static abstract class InstallArgs { 9011 /** @see InstallParams#originFile */ 9012 final File originFile; 9013 /** @see InstallParams#originStaged */ 9014 final boolean originStaged; 9015 9016 // TODO: define inherit location 9017 9018 final IPackageInstallObserver2 observer; 9019 // Always refers to PackageManager flags only 9020 final int flags; 9021 final String installerPackageName; 9022 final ManifestDigest manifestDigest; 9023 final UserHandle user; 9024 final String abiOverride; 9025 final boolean multiArch; 9026 9027 // The list of instruction sets supported by this app. This is currently 9028 // only used during the rmdex() phase to clean up resources. We can get rid of this 9029 // if we move dex files under the common app path. 9030 /* nullable */ String[] instructionSets; 9031 9032 InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 9033 int flags, String installerPackageName, ManifestDigest manifestDigest, 9034 UserHandle user, String[] instructionSets, 9035 String abiOverride, boolean multiArch) { 9036 this.originFile = originFile; 9037 this.originStaged = originStaged; 9038 this.flags = flags; 9039 this.observer = observer; 9040 this.installerPackageName = installerPackageName; 9041 this.manifestDigest = manifestDigest; 9042 this.user = user; 9043 this.instructionSets = instructionSets; 9044 this.abiOverride = abiOverride; 9045 this.multiArch = multiArch; 9046 } 9047 9048 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9049 abstract int doPreInstall(int status); 9050 9051 /** 9052 * Rename package into final resting place. All paths on the given 9053 * scanned package should be updated to reflect the rename. 9054 */ 9055 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9056 abstract int doPostInstall(int status, int uid); 9057 9058 /** @see PackageSettingBase#codePathString */ 9059 abstract String getCodePath(); 9060 /** @see PackageSettingBase#resourcePathString */ 9061 abstract String getResourcePath(); 9062 abstract String getLegacyNativeLibraryPath(); 9063 9064 // Need installer lock especially for dex file removal. 9065 abstract void cleanUpResourcesLI(); 9066 abstract boolean doPostDeleteLI(boolean delete); 9067 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9068 9069 /** 9070 * Called before the source arguments are copied. This is used mostly 9071 * for MoveParams when it needs to read the source file to put it in the 9072 * destination. 9073 */ 9074 int doPreCopy() { 9075 return PackageManager.INSTALL_SUCCEEDED; 9076 } 9077 9078 /** 9079 * Called after the source arguments are copied. This is used mostly for 9080 * MoveParams when it needs to read the source file to put it in the 9081 * destination. 9082 * 9083 * @return 9084 */ 9085 int doPostCopy(int uid) { 9086 return PackageManager.INSTALL_SUCCEEDED; 9087 } 9088 9089 protected boolean isFwdLocked() { 9090 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9091 } 9092 9093 UserHandle getUser() { 9094 return user; 9095 } 9096 } 9097 9098 /** 9099 * Logic to handle installation of non-ASEC applications, including copying 9100 * and renaming logic. 9101 */ 9102 class FileInstallArgs extends InstallArgs { 9103 private File codeFile; 9104 private File resourceFile; 9105 private File legacyNativeLibraryPath; 9106 9107 // Example topology: 9108 // /data/app/com.example/base.apk 9109 // /data/app/com.example/split_foo.apk 9110 // /data/app/com.example/lib/arm/libfoo.so 9111 // /data/app/com.example/lib/arm64/libfoo.so 9112 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9113 9114 /** New install */ 9115 FileInstallArgs(InstallParams params) { 9116 super(params.originFile, params.originStaged, params.observer, params.flags, 9117 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9118 null /* instruction sets */, params.packageAbiOverride, 9119 params.multiArch); 9120 if (isFwdLocked()) { 9121 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9122 } 9123 } 9124 9125 /** Existing install */ 9126 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryRoot, 9127 String[] instructionSets, boolean isMultiArch) { 9128 super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch); 9129 this.codeFile = (codePath != null) ? new File(codePath) : null; 9130 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9131 this.legacyNativeLibraryPath = (legacyNativeLibraryRoot != null) ? 9132 new File(legacyNativeLibraryRoot) : null; 9133 } 9134 9135 /** New install from existing */ 9136 FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) { 9137 super(originFile, false, null, 0, null, null, null, instructionSets, null, 9138 isMultiArch); 9139 } 9140 9141 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9142 final long lowThreshold; 9143 9144 final DeviceStorageMonitorInternal 9145 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9146 if (dsm == null) { 9147 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9148 lowThreshold = 0L; 9149 } else { 9150 if (dsm.isMemoryLow()) { 9151 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9152 return false; 9153 } 9154 9155 lowThreshold = dsm.getMemoryLowThreshold(); 9156 } 9157 9158 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9159 lowThreshold); 9160 } 9161 9162 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9163 int ret = PackageManager.INSTALL_SUCCEEDED; 9164 9165 if (originStaged) { 9166 Slog.d(TAG, originFile + " already staged; skipping copy"); 9167 codeFile = originFile; 9168 resourceFile = originFile; 9169 } else { 9170 try { 9171 final File tempDir = mInstallerService.allocateSessionDir(); 9172 codeFile = tempDir; 9173 resourceFile = tempDir; 9174 } catch (IOException e) { 9175 Slog.w(TAG, "Failed to create copy file: " + e); 9176 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9177 } 9178 9179 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9180 @Override 9181 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9182 if (!FileUtils.isValidExtFilename(name)) { 9183 throw new IllegalArgumentException("Invalid filename: " + name); 9184 } 9185 try { 9186 final File file = new File(codeFile, name); 9187 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9188 O_RDWR | O_CREAT, 0644); 9189 Os.chmod(file.getAbsolutePath(), 0644); 9190 return new ParcelFileDescriptor(fd); 9191 } catch (ErrnoException e) { 9192 throw new RemoteException("Failed to open: " + e.getMessage()); 9193 } 9194 } 9195 }; 9196 9197 ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9198 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9199 Slog.e(TAG, "Failed to copy package"); 9200 return ret; 9201 } 9202 } 9203 9204 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9205 NativeLibraryHelper.Handle handle = null; 9206 try { 9207 handle = NativeLibraryHelper.Handle.create(codeFile); 9208 if (multiArch) { 9209 // Warn if we've set an abiOverride for multi-lib packages.. 9210 // By definition, we need to copy both 32 and 64 bit libraries for 9211 // such packages. 9212 if (abiOverride != null) { 9213 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9214 } 9215 9216 int copyRet = PackageManager.NO_NATIVE_LIBRARIES; 9217 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9218 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9219 Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */); 9220 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9221 Slog.w(TAG, "Failure copying 32 bit native libraries [errorCode=" + copyRet + "]"); 9222 return copyRet; 9223 } 9224 } 9225 9226 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9227 Log.d(TAG, "Installed 32 bit libraries under: " + codeFile + " abi=" + 9228 Build.SUPPORTED_32_BIT_ABIS[copyRet]); 9229 } 9230 9231 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9232 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9233 Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */); 9234 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9235 Slog.w(TAG, "Failure copying 64 bit native libraries [errorCode=" + copyRet + "]"); 9236 return copyRet; 9237 } 9238 } 9239 9240 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9241 Log.d(TAG, "Installed 64 bit libraries under: " + codeFile + " abi=" + 9242 Build.SUPPORTED_64_BIT_ABIS[copyRet]); 9243 } 9244 } else { 9245 String[] abiList = (abiOverride != null) ? 9246 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9247 9248 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 9249 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9250 abiList = Build.SUPPORTED_32_BIT_ABIS; 9251 } 9252 9253 int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList, 9254 true /* use isa specific subdirs */); 9255 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9256 Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]"); 9257 return copyRet; 9258 } 9259 9260 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9261 Log.d(TAG, "Installed libraries under: " + codeFile + " abi=" + abiList[copyRet]); 9262 } 9263 } 9264 } catch (IOException e) { 9265 Slog.e(TAG, "Copying native libraries failed", e); 9266 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9267 } finally { 9268 IoUtils.closeQuietly(handle); 9269 } 9270 9271 return ret; 9272 } 9273 9274 int doPreInstall(int status) { 9275 if (status != PackageManager.INSTALL_SUCCEEDED) { 9276 cleanUp(); 9277 } 9278 return status; 9279 } 9280 9281 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9282 if (status != PackageManager.INSTALL_SUCCEEDED) { 9283 cleanUp(); 9284 return false; 9285 } else { 9286 final File beforeCodeFile = codeFile; 9287 final File afterCodeFile = new File(mAppInstallDir, 9288 getNextCodePath(oldCodePath, pkg.packageName, null)); 9289 9290 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9291 if (!beforeCodeFile.renameTo(afterCodeFile)) { 9292 return false; 9293 } 9294 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9295 return false; 9296 } 9297 9298 // Reflect the rename internally 9299 codeFile = afterCodeFile; 9300 resourceFile = afterCodeFile; 9301 9302 // Reflect the rename in scanned details 9303 pkg.codePath = afterCodeFile.getAbsolutePath(); 9304 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9305 pkg.baseCodePath); 9306 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9307 pkg.splitCodePaths); 9308 9309 // Reflect the rename in app info 9310 pkg.applicationInfo.setCodePath(pkg.codePath); 9311 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9312 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9313 pkg.applicationInfo.setResourcePath(pkg.codePath); 9314 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9315 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9316 // Null out the legacy native dir so we stop using it. 9317 pkg.applicationInfo.legacyNativeLibraryDir = null; 9318 9319 return true; 9320 } 9321 } 9322 9323 int doPostInstall(int status, int uid) { 9324 if (status != PackageManager.INSTALL_SUCCEEDED) { 9325 cleanUp(); 9326 } 9327 return status; 9328 } 9329 9330 @Override 9331 String getCodePath() { 9332 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9333 } 9334 9335 @Override 9336 String getResourcePath() { 9337 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9338 } 9339 9340 @Override 9341 String getLegacyNativeLibraryPath() { 9342 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9343 } 9344 9345 private boolean cleanUp() { 9346 if (codeFile == null || !codeFile.exists()) { 9347 return false; 9348 } 9349 9350 if (codeFile.isDirectory()) { 9351 FileUtils.deleteContents(codeFile); 9352 } 9353 codeFile.delete(); 9354 9355 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9356 resourceFile.delete(); 9357 } 9358 9359 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9360 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9361 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9362 } 9363 legacyNativeLibraryPath.delete(); 9364 } 9365 9366 return true; 9367 } 9368 9369 void cleanUpResourcesLI() { 9370 // Try enumerating all code paths before deleting 9371 List<String> allCodePaths = Collections.EMPTY_LIST; 9372 if (codeFile != null && codeFile.exists()) { 9373 try { 9374 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9375 allCodePaths = pkg.getAllCodePaths(); 9376 } catch (PackageParserException e) { 9377 // Ignored; we tried our best 9378 } 9379 } 9380 9381 cleanUp(); 9382 9383 if (!allCodePaths.isEmpty()) { 9384 if (instructionSets == null) { 9385 throw new IllegalStateException("instructionSet == null"); 9386 } 9387 9388 for (String codePath : allCodePaths) { 9389 for (String instructionSet : instructionSets) { 9390 int retCode = mInstaller.rmdex(codePath, instructionSet); 9391 if (retCode < 0) { 9392 Slog.w(TAG, "Couldn't remove dex file for package: " 9393 + " at location " + codePath + ", retcode=" + retCode); 9394 // we don't consider this to be a failure of the core package deletion 9395 } 9396 } 9397 } 9398 } 9399 } 9400 9401 boolean doPostDeleteLI(boolean delete) { 9402 // XXX err, shouldn't we respect the delete flag? 9403 cleanUpResourcesLI(); 9404 return true; 9405 } 9406 } 9407 9408 private boolean isAsecExternal(String cid) { 9409 final String asecPath = PackageHelper.getSdFilesystem(cid); 9410 return !asecPath.startsWith(mAsecInternalPath); 9411 } 9412 9413 /** 9414 * Extract the MountService "container ID" from the full code path of an 9415 * .apk. 9416 */ 9417 static String cidFromCodePath(String fullCodePath) { 9418 int eidx = fullCodePath.lastIndexOf("/"); 9419 String subStr1 = fullCodePath.substring(0, eidx); 9420 int sidx = subStr1.lastIndexOf("/"); 9421 return subStr1.substring(sidx+1, eidx); 9422 } 9423 9424 /** 9425 * Logic to handle installation of ASEC applications, including copying and 9426 * renaming logic. 9427 */ 9428 class AsecInstallArgs extends InstallArgs { 9429 // TODO: teach about handling cluster directories 9430 9431 static final String RES_FILE_NAME = "pkg.apk"; 9432 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9433 9434 String cid; 9435 String packagePath; 9436 String resourcePath; 9437 String legacyNativeLibraryDir; 9438 9439 /** New install */ 9440 AsecInstallArgs(InstallParams params) { 9441 super(params.originFile, params.originStaged, params.observer, params.flags, 9442 params.installerPackageName, params.getManifestDigest(), 9443 params.getUser(), null /* instruction sets */, 9444 params.packageAbiOverride, params.multiArch); 9445 } 9446 9447 /** Existing install */ 9448 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9449 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9450 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9451 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9452 instructionSets, null, isMultiArch); 9453 // Extract cid from fullCodePath 9454 int eidx = fullCodePath.lastIndexOf("/"); 9455 String subStr1 = fullCodePath.substring(0, eidx); 9456 int sidx = subStr1.lastIndexOf("/"); 9457 cid = subStr1.substring(sidx+1, eidx); 9458 setCachePath(subStr1); 9459 } 9460 9461 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked, 9462 boolean isMultiArch) { 9463 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9464 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9465 instructionSets, null, isMultiArch); 9466 this.cid = cid; 9467 setCachePath(PackageHelper.getSdDir(cid)); 9468 } 9469 9470 /** New install from existing */ 9471 AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets, 9472 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9473 super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9474 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9475 instructionSets, null, isMultiArch); 9476 this.cid = cid; 9477 } 9478 9479 void createCopyFile() { 9480 cid = getTempContainerId(); 9481 } 9482 9483 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9484 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9485 abiOverride); 9486 } 9487 9488 private final boolean isExternal() { 9489 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9490 } 9491 9492 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9493 if (temp) { 9494 createCopyFile(); 9495 } else { 9496 /* 9497 * Pre-emptively destroy the container since it's destroyed if 9498 * copying fails due to it existing anyway. 9499 */ 9500 PackageHelper.destroySdDir(cid); 9501 } 9502 9503 final String newCachePath = imcs.copyPackageToContainer( 9504 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9505 isFwdLocked(), abiOverride); 9506 9507 if (newCachePath != null) { 9508 setCachePath(newCachePath); 9509 return PackageManager.INSTALL_SUCCEEDED; 9510 } else { 9511 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9512 } 9513 } 9514 9515 @Override 9516 String getCodePath() { 9517 return packagePath; 9518 } 9519 9520 @Override 9521 String getResourcePath() { 9522 return resourcePath; 9523 } 9524 9525 @Override 9526 String getLegacyNativeLibraryPath() { 9527 return legacyNativeLibraryDir; 9528 } 9529 9530 int doPreInstall(int status) { 9531 if (status != PackageManager.INSTALL_SUCCEEDED) { 9532 // Destroy container 9533 PackageHelper.destroySdDir(cid); 9534 } else { 9535 boolean mounted = PackageHelper.isContainerMounted(cid); 9536 if (!mounted) { 9537 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9538 Process.SYSTEM_UID); 9539 if (newCachePath != null) { 9540 setCachePath(newCachePath); 9541 } else { 9542 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9543 } 9544 } 9545 } 9546 return status; 9547 } 9548 9549 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9550 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9551 String newCachePath = null; 9552 if (PackageHelper.isContainerMounted(cid)) { 9553 // Unmount the container 9554 if (!PackageHelper.unMountSdDir(cid)) { 9555 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9556 return false; 9557 } 9558 } 9559 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9560 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9561 " which might be stale. Will try to clean up."); 9562 // Clean up the stale container and proceed to recreate. 9563 if (!PackageHelper.destroySdDir(newCacheId)) { 9564 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9565 return false; 9566 } 9567 // Successfully cleaned up stale container. Try to rename again. 9568 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9569 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9570 + " inspite of cleaning it up."); 9571 return false; 9572 } 9573 } 9574 if (!PackageHelper.isContainerMounted(newCacheId)) { 9575 Slog.w(TAG, "Mounting container " + newCacheId); 9576 newCachePath = PackageHelper.mountSdDir(newCacheId, 9577 getEncryptKey(), Process.SYSTEM_UID); 9578 } else { 9579 newCachePath = PackageHelper.getSdDir(newCacheId); 9580 } 9581 if (newCachePath == null) { 9582 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9583 return false; 9584 } 9585 Log.i(TAG, "Succesfully renamed " + cid + 9586 " to " + newCacheId + 9587 " at new path: " + newCachePath); 9588 cid = newCacheId; 9589 setCachePath(newCachePath); 9590 9591 // TODO: extend to support split APKs 9592 pkg.codePath = getCodePath(); 9593 pkg.baseCodePath = getCodePath(); 9594 pkg.splitCodePaths = null; 9595 9596 pkg.applicationInfo.setCodePath(getCodePath()); 9597 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9598 pkg.applicationInfo.setSplitCodePaths(null); 9599 pkg.applicationInfo.setResourcePath(getResourcePath()); 9600 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9601 pkg.applicationInfo.setSplitResourcePaths(null); 9602 // ASEC installs are considered "legacy" because we don't support 9603 // multiarch on them yet, and use the old style paths on them. 9604 pkg.applicationInfo.legacyNativeLibraryDir = legacyNativeLibraryDir; 9605 9606 return true; 9607 } 9608 9609 private void setCachePath(String newCachePath) { 9610 File cachePath = new File(newCachePath); 9611 legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath(); 9612 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9613 9614 if (isFwdLocked()) { 9615 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9616 } else { 9617 resourcePath = packagePath; 9618 } 9619 } 9620 9621 int doPostInstall(int status, int uid) { 9622 if (status != PackageManager.INSTALL_SUCCEEDED) { 9623 cleanUp(); 9624 } else { 9625 final int groupOwner; 9626 final String protectedFile; 9627 if (isFwdLocked()) { 9628 groupOwner = UserHandle.getSharedAppGid(uid); 9629 protectedFile = RES_FILE_NAME; 9630 } else { 9631 groupOwner = -1; 9632 protectedFile = null; 9633 } 9634 9635 if (uid < Process.FIRST_APPLICATION_UID 9636 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9637 Slog.e(TAG, "Failed to finalize " + cid); 9638 PackageHelper.destroySdDir(cid); 9639 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9640 } 9641 9642 boolean mounted = PackageHelper.isContainerMounted(cid); 9643 if (!mounted) { 9644 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9645 } 9646 } 9647 return status; 9648 } 9649 9650 private void cleanUp() { 9651 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9652 9653 // Destroy secure container 9654 PackageHelper.destroySdDir(cid); 9655 } 9656 9657 void cleanUpResourcesLI() { 9658 String sourceFile = getCodePath(); 9659 // Remove dex file 9660 if (instructionSets == null) { 9661 throw new IllegalStateException("instructionSet == null"); 9662 } 9663 for (String instructionSet : instructionSets) { 9664 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9665 if (retCode < 0) { 9666 Slog.w(TAG, "Couldn't remove dex file for package: " 9667 + " at location " 9668 + sourceFile.toString() + ", retcode=" + retCode); 9669 // we don't consider this to be a failure of the core package deletion 9670 } 9671 } 9672 cleanUp(); 9673 } 9674 9675 boolean matchContainer(String app) { 9676 if (cid.startsWith(app)) { 9677 return true; 9678 } 9679 return false; 9680 } 9681 9682 String getPackageName() { 9683 return getAsecPackageName(cid); 9684 } 9685 9686 boolean doPostDeleteLI(boolean delete) { 9687 boolean ret = false; 9688 boolean mounted = PackageHelper.isContainerMounted(cid); 9689 if (mounted) { 9690 // Unmount first 9691 ret = PackageHelper.unMountSdDir(cid); 9692 } 9693 if (ret && delete) { 9694 cleanUpResourcesLI(); 9695 } 9696 return ret; 9697 } 9698 9699 @Override 9700 int doPreCopy() { 9701 if (isFwdLocked()) { 9702 if (!PackageHelper.fixSdPermissions(cid, 9703 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9704 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9705 } 9706 } 9707 9708 return PackageManager.INSTALL_SUCCEEDED; 9709 } 9710 9711 @Override 9712 int doPostCopy(int uid) { 9713 if (isFwdLocked()) { 9714 if (uid < Process.FIRST_APPLICATION_UID 9715 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9716 RES_FILE_NAME)) { 9717 Slog.e(TAG, "Failed to finalize " + cid); 9718 PackageHelper.destroySdDir(cid); 9719 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9720 } 9721 } 9722 9723 return PackageManager.INSTALL_SUCCEEDED; 9724 } 9725 } 9726 9727 static String getAsecPackageName(String packageCid) { 9728 int idx = packageCid.lastIndexOf("-"); 9729 if (idx == -1) { 9730 return packageCid; 9731 } 9732 return packageCid.substring(0, idx); 9733 } 9734 9735 // Utility method used to create code paths based on package name and available index. 9736 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9737 String idxStr = ""; 9738 int idx = 1; 9739 // Fall back to default value of idx=1 if prefix is not 9740 // part of oldCodePath 9741 if (oldCodePath != null) { 9742 String subStr = oldCodePath; 9743 // Drop the suffix right away 9744 if (suffix != null && subStr.endsWith(suffix)) { 9745 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9746 } 9747 // If oldCodePath already contains prefix find out the 9748 // ending index to either increment or decrement. 9749 int sidx = subStr.lastIndexOf(prefix); 9750 if (sidx != -1) { 9751 subStr = subStr.substring(sidx + prefix.length()); 9752 if (subStr != null) { 9753 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9754 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9755 } 9756 try { 9757 idx = Integer.parseInt(subStr); 9758 if (idx <= 1) { 9759 idx++; 9760 } else { 9761 idx--; 9762 } 9763 } catch(NumberFormatException e) { 9764 } 9765 } 9766 } 9767 } 9768 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9769 return prefix + idxStr; 9770 } 9771 9772 // Utility method used to ignore ADD/REMOVE events 9773 // by directory observer. 9774 private static boolean ignoreCodePath(String fullPathStr) { 9775 String apkName = deriveCodePathName(fullPathStr); 9776 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9777 if (idx != -1 && ((idx+1) < apkName.length())) { 9778 // Make sure the package ends with a numeral 9779 String version = apkName.substring(idx+1); 9780 try { 9781 Integer.parseInt(version); 9782 return true; 9783 } catch (NumberFormatException e) {} 9784 } 9785 return false; 9786 } 9787 9788 // Utility method that returns the relative package path with respect 9789 // to the installation directory. Like say for /data/data/com.test-1.apk 9790 // string com.test-1 is returned. 9791 static String deriveCodePathName(String codePath) { 9792 if (codePath == null) { 9793 return null; 9794 } 9795 final File codeFile = new File(codePath); 9796 final String name = codeFile.getName(); 9797 if (codeFile.isDirectory()) { 9798 return name; 9799 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9800 final int lastDot = name.lastIndexOf('.'); 9801 return name.substring(0, lastDot); 9802 } else { 9803 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9804 return null; 9805 } 9806 } 9807 9808 class PackageInstalledInfo { 9809 String name; 9810 int uid; 9811 // The set of users that originally had this package installed. 9812 int[] origUsers; 9813 // The set of users that now have this package installed. 9814 int[] newUsers; 9815 PackageParser.Package pkg; 9816 int returnCode; 9817 PackageRemovedInfo removedInfo; 9818 9819 // In some error cases we want to convey more info back to the observer 9820 String origPackage; 9821 String origPermission; 9822 } 9823 9824 /* 9825 * Install a non-existing package. 9826 */ 9827 private void installNewPackageLI(PackageParser.Package pkg, 9828 int parseFlags, int scanMode, UserHandle user, 9829 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9830 // Remember this for later, in case we need to rollback this install 9831 String pkgName = pkg.packageName; 9832 9833 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9834 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9835 synchronized(mPackages) { 9836 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9837 // A package with the same name is already installed, though 9838 // it has been renamed to an older name. The package we 9839 // are trying to install should be installed as an update to 9840 // the existing one, but that has not been requested, so bail. 9841 Slog.w(TAG, "Attempt to re-install " + pkgName 9842 + " without first uninstalling package running as " 9843 + mSettings.mRenamedPackages.get(pkgName)); 9844 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9845 return; 9846 } 9847 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9848 // Don't allow installation over an existing package with the same name. 9849 Slog.w(TAG, "Attempt to re-install " + pkgName 9850 + " without first uninstalling."); 9851 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9852 return; 9853 } 9854 } 9855 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9856 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9857 System.currentTimeMillis(), user, abiOverride); 9858 if (newPackage == null) { 9859 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9860 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9861 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9862 } 9863 } else { 9864 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9865 // delete the partially installed application. the data directory will have to be 9866 // restored if it was already existing 9867 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9868 // remove package from internal structures. Note that we want deletePackageX to 9869 // delete the package data and cache directories that it created in 9870 // scanPackageLocked, unless those directories existed before we even tried to 9871 // install. 9872 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9873 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9874 res.removedInfo, true); 9875 } 9876 } 9877 } 9878 9879 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9880 // Upgrade keysets are being used. Determine if new package has a superset of the 9881 // required keys. 9882 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9883 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9884 Set<Long> newSigningKeyIds = new ArraySet<Long>(); 9885 for (PublicKey pk : newPkg.mSigningKeys) { 9886 newSigningKeyIds.add(ksms.getIdForPublicKey(pk)); 9887 } 9888 //remove PUBLIC_KEY_NOT_FOUND, although not necessary 9889 newSigningKeyIds.remove(ksms.PUBLIC_KEY_NOT_FOUND); 9890 for (int i = 0; i < upgradeKeySets.length; i++) { 9891 if (newSigningKeyIds.containsAll(ksms.mKeySetMapping.get(upgradeKeySets[i]))) { 9892 return true; 9893 } 9894 } 9895 return false; 9896 } 9897 9898 private void replacePackageLI(PackageParser.Package pkg, 9899 int parseFlags, int scanMode, UserHandle user, 9900 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9901 PackageParser.Package oldPackage; 9902 String pkgName = pkg.packageName; 9903 int[] allUsers; 9904 boolean[] perUserInstalled; 9905 9906 // First find the old package info and check signatures 9907 synchronized(mPackages) { 9908 oldPackage = mPackages.get(pkgName); 9909 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9910 PackageSetting ps = mSettings.mPackages.get(pkgName); 9911 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9912 // default to original signature matching 9913 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9914 != PackageManager.SIGNATURE_MATCH) { 9915 Slog.w(TAG, "New package has a different signature: " + pkgName); 9916 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9917 return; 9918 } 9919 } else { 9920 if(!checkUpgradeKeySetLP(ps, pkg)) { 9921 Slog.w(TAG, "New package not signed by keys specified by upgrade-keysets: " 9922 + pkgName); 9923 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9924 return; 9925 } 9926 } 9927 9928 // In case of rollback, remember per-user/profile install state 9929 allUsers = sUserManager.getUserIds(); 9930 perUserInstalled = new boolean[allUsers.length]; 9931 for (int i = 0; i < allUsers.length; i++) { 9932 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9933 } 9934 } 9935 boolean sysPkg = (isSystemApp(oldPackage)); 9936 if (sysPkg) { 9937 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9938 user, allUsers, perUserInstalled, installerPackageName, res, 9939 abiOverride); 9940 } else { 9941 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9942 user, allUsers, perUserInstalled, installerPackageName, res, 9943 abiOverride); 9944 } 9945 } 9946 9947 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9948 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9949 int[] allUsers, boolean[] perUserInstalled, 9950 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9951 PackageParser.Package newPackage = null; 9952 String pkgName = deletedPackage.packageName; 9953 boolean deletedPkg = true; 9954 boolean updatedSettings = false; 9955 9956 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9957 + deletedPackage); 9958 long origUpdateTime; 9959 if (pkg.mExtras != null) { 9960 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9961 } else { 9962 origUpdateTime = 0; 9963 } 9964 9965 // First delete the existing package while retaining the data directory 9966 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9967 res.removedInfo, true)) { 9968 // If the existing package wasn't successfully deleted 9969 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9970 deletedPkg = false; 9971 } else { 9972 // Successfully deleted the old package. Now proceed with re-installation 9973 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9974 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9975 System.currentTimeMillis(), user, abiOverride); 9976 if (newPackage == null) { 9977 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9978 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9979 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9980 } 9981 } else { 9982 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9983 updatedSettings = true; 9984 } 9985 } 9986 9987 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9988 // remove package from internal structures. Note that we want deletePackageX to 9989 // delete the package data and cache directories that it created in 9990 // scanPackageLocked, unless those directories existed before we even tried to 9991 // install. 9992 if(updatedSettings) { 9993 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9994 deletePackageLI( 9995 pkgName, null, true, allUsers, perUserInstalled, 9996 PackageManager.DELETE_KEEP_DATA, 9997 res.removedInfo, true); 9998 } 9999 // Since we failed to install the new package we need to restore the old 10000 // package that we deleted. 10001 if (deletedPkg) { 10002 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10003 File restoreFile = new File(deletedPackage.codePath); 10004 // Parse old package 10005 boolean oldOnSd = isExternal(deletedPackage); 10006 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10007 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10008 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10009 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10010 | SCAN_UPDATE_TIME; 10011 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 10012 origUpdateTime, null, null) == null) { 10013 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 10014 return; 10015 } 10016 // Restore of old package succeeded. Update permissions. 10017 // writer 10018 synchronized (mPackages) { 10019 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10020 UPDATE_PERMISSIONS_ALL); 10021 // can downgrade to reader 10022 mSettings.writeLPr(); 10023 } 10024 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10025 } 10026 } 10027 } 10028 10029 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10030 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10031 int[] allUsers, boolean[] perUserInstalled, 10032 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10033 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10034 + ", old=" + deletedPackage); 10035 PackageParser.Package newPackage = null; 10036 boolean updatedSettings = false; 10037 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10038 PackageParser.PARSE_IS_SYSTEM; 10039 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10040 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10041 } 10042 String packageName = deletedPackage.packageName; 10043 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10044 if (packageName == null) { 10045 Slog.w(TAG, "Attempt to delete null packageName."); 10046 return; 10047 } 10048 PackageParser.Package oldPkg; 10049 PackageSetting oldPkgSetting; 10050 // reader 10051 synchronized (mPackages) { 10052 oldPkg = mPackages.get(packageName); 10053 oldPkgSetting = mSettings.mPackages.get(packageName); 10054 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10055 (oldPkgSetting == null)) { 10056 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10057 return; 10058 } 10059 } 10060 10061 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10062 10063 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10064 res.removedInfo.removedPackage = packageName; 10065 // Remove existing system package 10066 removePackageLI(oldPkgSetting, true); 10067 // writer 10068 synchronized (mPackages) { 10069 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10070 // We didn't need to disable the .apk as a current system package, 10071 // which means we are replacing another update that is already 10072 // installed. We need to make sure to delete the older one's .apk. 10073 res.removedInfo.args = createInstallArgsForExisting(0, 10074 deletedPackage.applicationInfo.getCodePath(), 10075 deletedPackage.applicationInfo.getResourcePath(), 10076 deletedPackage.applicationInfo.legacyNativeLibraryDir, 10077 getAppDexInstructionSets(deletedPackage.applicationInfo), 10078 isMultiArch(deletedPackage.applicationInfo)); 10079 } else { 10080 res.removedInfo.args = null; 10081 } 10082 } 10083 10084 // Successfully disabled the old package. Now proceed with re-installation 10085 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10086 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10087 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10088 if (newPackage == null) { 10089 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10090 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10091 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10092 } 10093 } else { 10094 if (newPackage.mExtras != null) { 10095 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10096 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10097 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10098 10099 // is the update attempting to change shared user? that isn't going to work... 10100 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10101 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10102 + " to " + newPkgSetting.sharedUser); 10103 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10104 updatedSettings = true; 10105 } 10106 } 10107 10108 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10109 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10110 updatedSettings = true; 10111 } 10112 } 10113 10114 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10115 // Re installation failed. Restore old information 10116 // Remove new pkg information 10117 if (newPackage != null) { 10118 removeInstalledPackageLI(newPackage, true); 10119 } 10120 // Add back the old system package 10121 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10122 // Restore the old system information in Settings 10123 synchronized(mPackages) { 10124 if (updatedSettings) { 10125 mSettings.enableSystemPackageLPw(packageName); 10126 mSettings.setInstallerPackageName(packageName, 10127 oldPkgSetting.installerPackageName); 10128 } 10129 mSettings.writeLPr(); 10130 } 10131 } 10132 } 10133 10134 // Utility method used to move dex files during install. 10135 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10136 // TODO: extend to move split APK dex files 10137 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10138 final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo); 10139 for (String instructionSet : instructionSets) { 10140 int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath, 10141 instructionSet); 10142 if (retCode != 0) { 10143 /* 10144 * Programs may be lazily run through dexopt, so the 10145 * source may not exist. However, something seems to 10146 * have gone wrong, so note that dexopt needs to be 10147 * run again and remove the source file. In addition, 10148 * remove the target to make sure there isn't a stale 10149 * file from a previous version of the package. 10150 */ 10151 newPackage.mDexOptNeeded = true; 10152 mInstaller.rmdex(oldCodePath, instructionSet); 10153 mInstaller.rmdex(newPackage.baseCodePath, instructionSet); 10154 } 10155 } 10156 } 10157 return PackageManager.INSTALL_SUCCEEDED; 10158 } 10159 10160 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10161 int[] allUsers, boolean[] perUserInstalled, 10162 PackageInstalledInfo res) { 10163 String pkgName = newPackage.packageName; 10164 synchronized (mPackages) { 10165 //write settings. the installStatus will be incomplete at this stage. 10166 //note that the new package setting would have already been 10167 //added to mPackages. It hasn't been persisted yet. 10168 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10169 mSettings.writeLPr(); 10170 } 10171 10172 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10173 10174 synchronized (mPackages) { 10175 updatePermissionsLPw(newPackage.packageName, newPackage, 10176 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10177 ? UPDATE_PERMISSIONS_ALL : 0)); 10178 // For system-bundled packages, we assume that installing an upgraded version 10179 // of the package implies that the user actually wants to run that new code, 10180 // so we enable the package. 10181 if (isSystemApp(newPackage)) { 10182 // NB: implicit assumption that system package upgrades apply to all users 10183 if (DEBUG_INSTALL) { 10184 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10185 } 10186 PackageSetting ps = mSettings.mPackages.get(pkgName); 10187 if (ps != null) { 10188 if (res.origUsers != null) { 10189 for (int userHandle : res.origUsers) { 10190 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10191 userHandle, installerPackageName); 10192 } 10193 } 10194 // Also convey the prior install/uninstall state 10195 if (allUsers != null && perUserInstalled != null) { 10196 for (int i = 0; i < allUsers.length; i++) { 10197 if (DEBUG_INSTALL) { 10198 Slog.d(TAG, " user " + allUsers[i] 10199 + " => " + perUserInstalled[i]); 10200 } 10201 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10202 } 10203 // these install state changes will be persisted in the 10204 // upcoming call to mSettings.writeLPr(). 10205 } 10206 } 10207 } 10208 res.name = pkgName; 10209 res.uid = newPackage.applicationInfo.uid; 10210 res.pkg = newPackage; 10211 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10212 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10213 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10214 //to update install status 10215 mSettings.writeLPr(); 10216 } 10217 } 10218 10219 private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { 10220 int pFlags = args.flags; 10221 String installerPackageName = args.installerPackageName; 10222 File tmpPackageFile = new File(args.getCodePath()); 10223 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10224 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10225 boolean replace = false; 10226 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10227 | (newInstall ? SCAN_NEW_INSTALL : 0); 10228 // Result object to be returned 10229 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10230 10231 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10232 // Retrieve PackageSettings and parse package 10233 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10234 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10235 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10236 PackageParser pp = new PackageParser(); 10237 pp.setSeparateProcesses(mSeparateProcesses); 10238 pp.setDisplayMetrics(mMetrics); 10239 10240 final PackageParser.Package pkg; 10241 try { 10242 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10243 } catch (PackageParserException e) { 10244 Slog.e(TAG, "Failed during install: " + e); 10245 res.returnCode = e.error; 10246 return; 10247 } 10248 10249 String pkgName = res.name = pkg.packageName; 10250 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10251 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10252 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10253 return; 10254 } 10255 } 10256 10257 try { 10258 pp.collectCertificates(pkg, parseFlags); 10259 pp.collectManifestDigest(pkg); 10260 } catch (PackageParserException e) { 10261 Slog.e(TAG, "Failed during install: " + e); 10262 res.returnCode = e.error; 10263 return; 10264 } 10265 10266 /* If the installer passed in a manifest digest, compare it now. */ 10267 if (args.manifestDigest != null) { 10268 if (DEBUG_INSTALL) { 10269 final String parsedManifest = pkg.manifestDigest == null ? "null" 10270 : pkg.manifestDigest.toString(); 10271 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10272 + parsedManifest); 10273 } 10274 10275 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10276 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10277 return; 10278 } 10279 } else if (DEBUG_INSTALL) { 10280 final String parsedManifest = pkg.manifestDigest == null 10281 ? "null" : pkg.manifestDigest.toString(); 10282 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10283 } 10284 10285 // Get rid of all references to package scan path via parser. 10286 pp = null; 10287 String oldCodePath = null; 10288 boolean systemApp = false; 10289 synchronized (mPackages) { 10290 // Check whether the newly-scanned package wants to define an already-defined perm 10291 int N = pkg.permissions.size(); 10292 for (int i = N-1; i >= 0; i--) { 10293 PackageParser.Permission perm = pkg.permissions.get(i); 10294 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10295 if (bp != null) { 10296 // If the defining package is signed with our cert, it's okay. This 10297 // also includes the "updating the same package" case, of course. 10298 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10299 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10300 // If the owning package is the system itself, we log but allow 10301 // install to proceed; we fail the install on all other permission 10302 // redefinitions. 10303 if (!bp.sourcePackage.equals("android")) { 10304 Slog.w(TAG, "Package " + pkg.packageName 10305 + " attempting to redeclare permission " + perm.info.name 10306 + " already owned by " + bp.sourcePackage); 10307 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10308 res.origPermission = perm.info.name; 10309 res.origPackage = bp.sourcePackage; 10310 return; 10311 } else { 10312 Slog.w(TAG, "Package " + pkg.packageName 10313 + " attempting to redeclare system permission " 10314 + perm.info.name + "; ignoring new declaration"); 10315 pkg.permissions.remove(i); 10316 } 10317 } 10318 } 10319 } 10320 10321 // Check if installing already existing package 10322 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10323 String oldName = mSettings.mRenamedPackages.get(pkgName); 10324 if (pkg.mOriginalPackages != null 10325 && pkg.mOriginalPackages.contains(oldName) 10326 && mPackages.containsKey(oldName)) { 10327 // This package is derived from an original package, 10328 // and this device has been updating from that original 10329 // name. We must continue using the original name, so 10330 // rename the new package here. 10331 pkg.setPackageName(oldName); 10332 pkgName = pkg.packageName; 10333 replace = true; 10334 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10335 + oldName + " pkgName=" + pkgName); 10336 } else if (mPackages.containsKey(pkgName)) { 10337 // This package, under its official name, already exists 10338 // on the device; we should replace it. 10339 replace = true; 10340 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10341 } 10342 } 10343 PackageSetting ps = mSettings.mPackages.get(pkgName); 10344 if (ps != null) { 10345 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10346 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10347 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10348 systemApp = (ps.pkg.applicationInfo.flags & 10349 ApplicationInfo.FLAG_SYSTEM) != 0; 10350 } 10351 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10352 } 10353 } 10354 10355 if (systemApp && onSd) { 10356 // Disable updates to system apps on sdcard 10357 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10358 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10359 return; 10360 } 10361 10362 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10363 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10364 return; 10365 } 10366 10367 if (replace) { 10368 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10369 installerPackageName, res, args.abiOverride); 10370 } else { 10371 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10372 installerPackageName, res, args.abiOverride); 10373 } 10374 synchronized (mPackages) { 10375 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10376 if (ps != null) { 10377 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10378 } 10379 } 10380 } 10381 10382 private static boolean isForwardLocked(PackageParser.Package pkg) { 10383 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10384 } 10385 10386 10387 private boolean isForwardLocked(PackageSetting ps) { 10388 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10389 } 10390 10391 private static boolean isMultiArch(PackageSetting ps) { 10392 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10393 } 10394 10395 private static boolean isMultiArch(ApplicationInfo info) { 10396 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10397 } 10398 10399 private static boolean isExternal(PackageParser.Package pkg) { 10400 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10401 } 10402 10403 private static boolean isExternal(PackageSetting ps) { 10404 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10405 } 10406 10407 private static boolean isSystemApp(PackageParser.Package pkg) { 10408 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10409 } 10410 10411 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10412 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10413 } 10414 10415 private static boolean isSystemApp(ApplicationInfo info) { 10416 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10417 } 10418 10419 private static boolean isSystemApp(PackageSetting ps) { 10420 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10421 } 10422 10423 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10424 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10425 } 10426 10427 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10428 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10429 } 10430 10431 private int packageFlagsToInstallFlags(PackageSetting ps) { 10432 int installFlags = 0; 10433 if (isExternal(ps)) { 10434 installFlags |= PackageManager.INSTALL_EXTERNAL; 10435 } 10436 if (isForwardLocked(ps)) { 10437 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10438 } 10439 return installFlags; 10440 } 10441 10442 private void deleteTempPackageFiles() { 10443 final FilenameFilter filter = new FilenameFilter() { 10444 public boolean accept(File dir, String name) { 10445 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10446 } 10447 }; 10448 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10449 file.delete(); 10450 } 10451 } 10452 10453 @Override 10454 public void deletePackageAsUser(final String packageName, 10455 final IPackageDeleteObserver observer, 10456 final int userId, final int flags) { 10457 mContext.enforceCallingOrSelfPermission( 10458 android.Manifest.permission.DELETE_PACKAGES, null); 10459 final int uid = Binder.getCallingUid(); 10460 if (UserHandle.getUserId(uid) != userId) { 10461 mContext.enforceCallingPermission( 10462 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10463 "deletePackage for user " + userId); 10464 } 10465 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10466 try { 10467 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10468 } catch (RemoteException re) { 10469 } 10470 return; 10471 } 10472 10473 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10474 // Queue up an async operation since the package deletion may take a little while. 10475 mHandler.post(new Runnable() { 10476 public void run() { 10477 mHandler.removeCallbacks(this); 10478 final int returnCode = deletePackageX(packageName, userId, flags); 10479 if (observer != null) { 10480 try { 10481 observer.packageDeleted(packageName, returnCode); 10482 } catch (RemoteException e) { 10483 Log.i(TAG, "Observer no longer exists."); 10484 } //end catch 10485 } //end if 10486 } //end run 10487 }); 10488 } 10489 10490 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10491 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10492 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10493 try { 10494 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10495 || dpm.isDeviceOwner(packageName))) { 10496 return true; 10497 } 10498 } catch (RemoteException e) { 10499 } 10500 return false; 10501 } 10502 10503 /** 10504 * This method is an internal method that could be get invoked either 10505 * to delete an installed package or to clean up a failed installation. 10506 * After deleting an installed package, a broadcast is sent to notify any 10507 * listeners that the package has been installed. For cleaning up a failed 10508 * installation, the broadcast is not necessary since the package's 10509 * installation wouldn't have sent the initial broadcast either 10510 * The key steps in deleting a package are 10511 * deleting the package information in internal structures like mPackages, 10512 * deleting the packages base directories through installd 10513 * updating mSettings to reflect current status 10514 * persisting settings for later use 10515 * sending a broadcast if necessary 10516 */ 10517 private int deletePackageX(String packageName, int userId, int flags) { 10518 final PackageRemovedInfo info = new PackageRemovedInfo(); 10519 final boolean res; 10520 10521 if (isPackageDeviceAdmin(packageName, userId)) { 10522 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10523 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10524 } 10525 10526 boolean removedForAllUsers = false; 10527 boolean systemUpdate = false; 10528 10529 // for the uninstall-updates case and restricted profiles, remember the per- 10530 // userhandle installed state 10531 int[] allUsers; 10532 boolean[] perUserInstalled; 10533 synchronized (mPackages) { 10534 PackageSetting ps = mSettings.mPackages.get(packageName); 10535 allUsers = sUserManager.getUserIds(); 10536 perUserInstalled = new boolean[allUsers.length]; 10537 for (int i = 0; i < allUsers.length; i++) { 10538 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10539 } 10540 } 10541 10542 synchronized (mInstallLock) { 10543 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10544 res = deletePackageLI(packageName, 10545 (flags & PackageManager.DELETE_ALL_USERS) != 0 10546 ? UserHandle.ALL : new UserHandle(userId), 10547 true, allUsers, perUserInstalled, 10548 flags | REMOVE_CHATTY, info, true); 10549 systemUpdate = info.isRemovedPackageSystemUpdate; 10550 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10551 removedForAllUsers = true; 10552 } 10553 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10554 + " removedForAllUsers=" + removedForAllUsers); 10555 } 10556 10557 if (res) { 10558 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10559 10560 // If the removed package was a system update, the old system package 10561 // was re-enabled; we need to broadcast this information 10562 if (systemUpdate) { 10563 Bundle extras = new Bundle(1); 10564 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10565 ? info.removedAppId : info.uid); 10566 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10567 10568 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10569 extras, null, null, null); 10570 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10571 extras, null, null, null); 10572 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10573 null, packageName, null, null); 10574 } 10575 } 10576 // Force a gc here. 10577 Runtime.getRuntime().gc(); 10578 // Delete the resources here after sending the broadcast to let 10579 // other processes clean up before deleting resources. 10580 if (info.args != null) { 10581 synchronized (mInstallLock) { 10582 info.args.doPostDeleteLI(true); 10583 } 10584 } 10585 10586 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10587 } 10588 10589 static class PackageRemovedInfo { 10590 String removedPackage; 10591 int uid = -1; 10592 int removedAppId = -1; 10593 int[] removedUsers = null; 10594 boolean isRemovedPackageSystemUpdate = false; 10595 // Clean up resources deleted packages. 10596 InstallArgs args = null; 10597 10598 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10599 Bundle extras = new Bundle(1); 10600 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10601 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10602 if (replacing) { 10603 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10604 } 10605 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10606 if (removedPackage != null) { 10607 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10608 extras, null, null, removedUsers); 10609 if (fullRemove && !replacing) { 10610 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10611 extras, null, null, removedUsers); 10612 } 10613 } 10614 if (removedAppId >= 0) { 10615 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10616 removedUsers); 10617 } 10618 } 10619 } 10620 10621 /* 10622 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10623 * flag is not set, the data directory is removed as well. 10624 * make sure this flag is set for partially installed apps. If not its meaningless to 10625 * delete a partially installed application. 10626 */ 10627 private void removePackageDataLI(PackageSetting ps, 10628 int[] allUserHandles, boolean[] perUserInstalled, 10629 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10630 String packageName = ps.name; 10631 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10632 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10633 // Retrieve object to delete permissions for shared user later on 10634 final PackageSetting deletedPs; 10635 // reader 10636 synchronized (mPackages) { 10637 deletedPs = mSettings.mPackages.get(packageName); 10638 if (outInfo != null) { 10639 outInfo.removedPackage = packageName; 10640 outInfo.removedUsers = deletedPs != null 10641 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10642 : null; 10643 } 10644 } 10645 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10646 removeDataDirsLI(packageName); 10647 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10648 } 10649 // writer 10650 synchronized (mPackages) { 10651 if (deletedPs != null) { 10652 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10653 if (outInfo != null) { 10654 mSettings.mKeySetManagerService.removeAppKeySetData(packageName); 10655 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10656 } 10657 if (deletedPs != null) { 10658 updatePermissionsLPw(deletedPs.name, null, 0); 10659 if (deletedPs.sharedUser != null) { 10660 // remove permissions associated with package 10661 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10662 } 10663 } 10664 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10665 } 10666 // make sure to preserve per-user disabled state if this removal was just 10667 // a downgrade of a system app to the factory package 10668 if (allUserHandles != null && perUserInstalled != null) { 10669 if (DEBUG_REMOVE) { 10670 Slog.d(TAG, "Propagating install state across downgrade"); 10671 } 10672 for (int i = 0; i < allUserHandles.length; i++) { 10673 if (DEBUG_REMOVE) { 10674 Slog.d(TAG, " user " + allUserHandles[i] 10675 + " => " + perUserInstalled[i]); 10676 } 10677 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10678 } 10679 } 10680 } 10681 // can downgrade to reader 10682 if (writeSettings) { 10683 // Save settings now 10684 mSettings.writeLPr(); 10685 } 10686 } 10687 if (outInfo != null) { 10688 // A user ID was deleted here. Go through all users and remove it 10689 // from KeyStore. 10690 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10691 } 10692 } 10693 10694 static boolean locationIsPrivileged(File path) { 10695 try { 10696 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10697 .getCanonicalPath(); 10698 return path.getCanonicalPath().startsWith(privilegedAppDir); 10699 } catch (IOException e) { 10700 Slog.e(TAG, "Unable to access code path " + path); 10701 } 10702 return false; 10703 } 10704 10705 /* 10706 * Tries to delete system package. 10707 */ 10708 private boolean deleteSystemPackageLI(PackageSetting newPs, 10709 int[] allUserHandles, boolean[] perUserInstalled, 10710 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10711 final boolean applyUserRestrictions 10712 = (allUserHandles != null) && (perUserInstalled != null); 10713 PackageSetting disabledPs = null; 10714 // Confirm if the system package has been updated 10715 // An updated system app can be deleted. This will also have to restore 10716 // the system pkg from system partition 10717 // reader 10718 synchronized (mPackages) { 10719 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10720 } 10721 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10722 + " disabledPs=" + disabledPs); 10723 if (disabledPs == null) { 10724 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10725 return false; 10726 } else if (DEBUG_REMOVE) { 10727 Slog.d(TAG, "Deleting system pkg from data partition"); 10728 } 10729 if (DEBUG_REMOVE) { 10730 if (applyUserRestrictions) { 10731 Slog.d(TAG, "Remembering install states:"); 10732 for (int i = 0; i < allUserHandles.length; i++) { 10733 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10734 } 10735 } 10736 } 10737 // Delete the updated package 10738 outInfo.isRemovedPackageSystemUpdate = true; 10739 if (disabledPs.versionCode < newPs.versionCode) { 10740 // Delete data for downgrades 10741 flags &= ~PackageManager.DELETE_KEEP_DATA; 10742 } else { 10743 // Preserve data by setting flag 10744 flags |= PackageManager.DELETE_KEEP_DATA; 10745 } 10746 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10747 allUserHandles, perUserInstalled, outInfo, writeSettings); 10748 if (!ret) { 10749 return false; 10750 } 10751 // writer 10752 synchronized (mPackages) { 10753 // Reinstate the old system package 10754 mSettings.enableSystemPackageLPw(newPs.name); 10755 // Remove any native libraries from the upgraded package. 10756 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10757 } 10758 // Install the system package 10759 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10760 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10761 if (locationIsPrivileged(disabledPs.codePath)) { 10762 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10763 } 10764 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10765 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10766 10767 if (newPkg == null) { 10768 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10769 + " with error:" + mLastScanError); 10770 return false; 10771 } 10772 // writer 10773 synchronized (mPackages) { 10774 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10775 setBundledAppAbisAndRoots(newPkg, ps); 10776 updatePermissionsLPw(newPkg.packageName, newPkg, 10777 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10778 if (applyUserRestrictions) { 10779 if (DEBUG_REMOVE) { 10780 Slog.d(TAG, "Propagating install state across reinstall"); 10781 } 10782 for (int i = 0; i < allUserHandles.length; i++) { 10783 if (DEBUG_REMOVE) { 10784 Slog.d(TAG, " user " + allUserHandles[i] 10785 + " => " + perUserInstalled[i]); 10786 } 10787 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10788 } 10789 // Regardless of writeSettings we need to ensure that this restriction 10790 // state propagation is persisted 10791 mSettings.writeAllUsersPackageRestrictionsLPr(); 10792 } 10793 // can downgrade to reader here 10794 if (writeSettings) { 10795 mSettings.writeLPr(); 10796 } 10797 } 10798 return true; 10799 } 10800 10801 private boolean deleteInstalledPackageLI(PackageSetting ps, 10802 boolean deleteCodeAndResources, int flags, 10803 int[] allUserHandles, boolean[] perUserInstalled, 10804 PackageRemovedInfo outInfo, boolean writeSettings) { 10805 if (outInfo != null) { 10806 outInfo.uid = ps.appId; 10807 } 10808 10809 // Delete package data from internal structures and also remove data if flag is set 10810 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10811 10812 // Delete application code and resources 10813 if (deleteCodeAndResources && (outInfo != null)) { 10814 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10815 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10816 getAppDexInstructionSets(ps), isMultiArch(ps)); 10817 } 10818 return true; 10819 } 10820 10821 @Override 10822 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10823 int userId) { 10824 mContext.enforceCallingOrSelfPermission( 10825 android.Manifest.permission.DELETE_PACKAGES, null); 10826 synchronized (mPackages) { 10827 PackageSetting ps = mSettings.mPackages.get(packageName); 10828 if (ps == null) { 10829 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10830 return false; 10831 } 10832 if (!ps.getInstalled(userId)) { 10833 // Can't block uninstall for an app that is not installed or enabled. 10834 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10835 return false; 10836 } 10837 ps.setBlockUninstall(blockUninstall, userId); 10838 mSettings.writePackageRestrictionsLPr(userId); 10839 } 10840 return true; 10841 } 10842 10843 @Override 10844 public boolean getBlockUninstallForUser(String packageName, int userId) { 10845 synchronized (mPackages) { 10846 PackageSetting ps = mSettings.mPackages.get(packageName); 10847 if (ps == null) { 10848 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10849 return false; 10850 } 10851 return ps.getBlockUninstall(userId); 10852 } 10853 } 10854 10855 /* 10856 * This method handles package deletion in general 10857 */ 10858 private boolean deletePackageLI(String packageName, UserHandle user, 10859 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10860 int flags, PackageRemovedInfo outInfo, 10861 boolean writeSettings) { 10862 if (packageName == null) { 10863 Slog.w(TAG, "Attempt to delete null packageName."); 10864 return false; 10865 } 10866 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10867 PackageSetting ps; 10868 boolean dataOnly = false; 10869 int removeUser = -1; 10870 int appId = -1; 10871 synchronized (mPackages) { 10872 ps = mSettings.mPackages.get(packageName); 10873 if (ps == null) { 10874 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10875 return false; 10876 } 10877 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10878 && user.getIdentifier() != UserHandle.USER_ALL) { 10879 // The caller is asking that the package only be deleted for a single 10880 // user. To do this, we just mark its uninstalled state and delete 10881 // its data. If this is a system app, we only allow this to happen if 10882 // they have set the special DELETE_SYSTEM_APP which requests different 10883 // semantics than normal for uninstalling system apps. 10884 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10885 ps.setUserState(user.getIdentifier(), 10886 COMPONENT_ENABLED_STATE_DEFAULT, 10887 false, //installed 10888 true, //stopped 10889 true, //notLaunched 10890 false, //blocked 10891 null, null, null, 10892 false // blockUninstall 10893 ); 10894 if (!isSystemApp(ps)) { 10895 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10896 // Other user still have this package installed, so all 10897 // we need to do is clear this user's data and save that 10898 // it is uninstalled. 10899 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10900 removeUser = user.getIdentifier(); 10901 appId = ps.appId; 10902 mSettings.writePackageRestrictionsLPr(removeUser); 10903 } else { 10904 // We need to set it back to 'installed' so the uninstall 10905 // broadcasts will be sent correctly. 10906 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10907 ps.setInstalled(true, user.getIdentifier()); 10908 } 10909 } else { 10910 // This is a system app, so we assume that the 10911 // other users still have this package installed, so all 10912 // we need to do is clear this user's data and save that 10913 // it is uninstalled. 10914 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10915 removeUser = user.getIdentifier(); 10916 appId = ps.appId; 10917 mSettings.writePackageRestrictionsLPr(removeUser); 10918 } 10919 } 10920 } 10921 10922 if (removeUser >= 0) { 10923 // From above, we determined that we are deleting this only 10924 // for a single user. Continue the work here. 10925 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10926 if (outInfo != null) { 10927 outInfo.removedPackage = packageName; 10928 outInfo.removedAppId = appId; 10929 outInfo.removedUsers = new int[] {removeUser}; 10930 } 10931 mInstaller.clearUserData(packageName, removeUser); 10932 removeKeystoreDataIfNeeded(removeUser, appId); 10933 schedulePackageCleaning(packageName, removeUser, false); 10934 return true; 10935 } 10936 10937 if (dataOnly) { 10938 // Delete application data first 10939 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10940 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10941 return true; 10942 } 10943 10944 boolean ret = false; 10945 if (isSystemApp(ps)) { 10946 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10947 // When an updated system application is deleted we delete the existing resources as well and 10948 // fall back to existing code in system partition 10949 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10950 flags, outInfo, writeSettings); 10951 } else { 10952 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10953 // Kill application pre-emptively especially for apps on sd. 10954 killApplication(packageName, ps.appId, "uninstall pkg"); 10955 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10956 allUserHandles, perUserInstalled, 10957 outInfo, writeSettings); 10958 } 10959 10960 return ret; 10961 } 10962 10963 private final class ClearStorageConnection implements ServiceConnection { 10964 IMediaContainerService mContainerService; 10965 10966 @Override 10967 public void onServiceConnected(ComponentName name, IBinder service) { 10968 synchronized (this) { 10969 mContainerService = IMediaContainerService.Stub.asInterface(service); 10970 notifyAll(); 10971 } 10972 } 10973 10974 @Override 10975 public void onServiceDisconnected(ComponentName name) { 10976 } 10977 } 10978 10979 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10980 final boolean mounted; 10981 if (Environment.isExternalStorageEmulated()) { 10982 mounted = true; 10983 } else { 10984 final String status = Environment.getExternalStorageState(); 10985 10986 mounted = status.equals(Environment.MEDIA_MOUNTED) 10987 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10988 } 10989 10990 if (!mounted) { 10991 return; 10992 } 10993 10994 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10995 int[] users; 10996 if (userId == UserHandle.USER_ALL) { 10997 users = sUserManager.getUserIds(); 10998 } else { 10999 users = new int[] { userId }; 11000 } 11001 final ClearStorageConnection conn = new ClearStorageConnection(); 11002 if (mContext.bindServiceAsUser( 11003 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11004 try { 11005 for (int curUser : users) { 11006 long timeout = SystemClock.uptimeMillis() + 5000; 11007 synchronized (conn) { 11008 long now = SystemClock.uptimeMillis(); 11009 while (conn.mContainerService == null && now < timeout) { 11010 try { 11011 conn.wait(timeout - now); 11012 } catch (InterruptedException e) { 11013 } 11014 } 11015 } 11016 if (conn.mContainerService == null) { 11017 return; 11018 } 11019 11020 final UserEnvironment userEnv = new UserEnvironment(curUser); 11021 clearDirectory(conn.mContainerService, 11022 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11023 if (allData) { 11024 clearDirectory(conn.mContainerService, 11025 userEnv.buildExternalStorageAppDataDirs(packageName)); 11026 clearDirectory(conn.mContainerService, 11027 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11028 } 11029 } 11030 } finally { 11031 mContext.unbindService(conn); 11032 } 11033 } 11034 } 11035 11036 @Override 11037 public void clearApplicationUserData(final String packageName, 11038 final IPackageDataObserver observer, final int userId) { 11039 mContext.enforceCallingOrSelfPermission( 11040 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11041 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11042 // Queue up an async operation since the package deletion may take a little while. 11043 mHandler.post(new Runnable() { 11044 public void run() { 11045 mHandler.removeCallbacks(this); 11046 final boolean succeeded; 11047 synchronized (mInstallLock) { 11048 succeeded = clearApplicationUserDataLI(packageName, userId); 11049 } 11050 clearExternalStorageDataSync(packageName, userId, true); 11051 if (succeeded) { 11052 // invoke DeviceStorageMonitor's update method to clear any notifications 11053 DeviceStorageMonitorInternal 11054 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11055 if (dsm != null) { 11056 dsm.checkMemory(); 11057 } 11058 } 11059 if(observer != null) { 11060 try { 11061 observer.onRemoveCompleted(packageName, succeeded); 11062 } catch (RemoteException e) { 11063 Log.i(TAG, "Observer no longer exists."); 11064 } 11065 } //end if observer 11066 } //end run 11067 }); 11068 } 11069 11070 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11071 if (packageName == null) { 11072 Slog.w(TAG, "Attempt to delete null packageName."); 11073 return false; 11074 } 11075 PackageParser.Package p; 11076 boolean dataOnly = false; 11077 final int appId; 11078 synchronized (mPackages) { 11079 p = mPackages.get(packageName); 11080 if (p == null) { 11081 dataOnly = true; 11082 PackageSetting ps = mSettings.mPackages.get(packageName); 11083 if ((ps == null) || (ps.pkg == null)) { 11084 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11085 return false; 11086 } 11087 p = ps.pkg; 11088 } 11089 if (!dataOnly) { 11090 // need to check this only for fully installed applications 11091 if (p == null) { 11092 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11093 return false; 11094 } 11095 final ApplicationInfo applicationInfo = p.applicationInfo; 11096 if (applicationInfo == null) { 11097 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11098 return false; 11099 } 11100 } 11101 if (p != null && p.applicationInfo != null) { 11102 appId = p.applicationInfo.uid; 11103 } else { 11104 appId = -1; 11105 } 11106 } 11107 int retCode = mInstaller.clearUserData(packageName, userId); 11108 if (retCode < 0) { 11109 Slog.w(TAG, "Couldn't remove cache files for package: " 11110 + packageName); 11111 return false; 11112 } 11113 removeKeystoreDataIfNeeded(userId, appId); 11114 return true; 11115 } 11116 11117 /** 11118 * Remove entries from the keystore daemon. Will only remove it if the 11119 * {@code appId} is valid. 11120 */ 11121 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11122 if (appId < 0) { 11123 return; 11124 } 11125 11126 final KeyStore keyStore = KeyStore.getInstance(); 11127 if (keyStore != null) { 11128 if (userId == UserHandle.USER_ALL) { 11129 for (final int individual : sUserManager.getUserIds()) { 11130 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11131 } 11132 } else { 11133 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11134 } 11135 } else { 11136 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11137 } 11138 } 11139 11140 @Override 11141 public void deleteApplicationCacheFiles(final String packageName, 11142 final IPackageDataObserver observer) { 11143 mContext.enforceCallingOrSelfPermission( 11144 android.Manifest.permission.DELETE_CACHE_FILES, null); 11145 // Queue up an async operation since the package deletion may take a little while. 11146 final int userId = UserHandle.getCallingUserId(); 11147 mHandler.post(new Runnable() { 11148 public void run() { 11149 mHandler.removeCallbacks(this); 11150 final boolean succeded; 11151 synchronized (mInstallLock) { 11152 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11153 } 11154 clearExternalStorageDataSync(packageName, userId, false); 11155 if(observer != null) { 11156 try { 11157 observer.onRemoveCompleted(packageName, succeded); 11158 } catch (RemoteException e) { 11159 Log.i(TAG, "Observer no longer exists."); 11160 } 11161 } //end if observer 11162 } //end run 11163 }); 11164 } 11165 11166 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11167 if (packageName == null) { 11168 Slog.w(TAG, "Attempt to delete null packageName."); 11169 return false; 11170 } 11171 PackageParser.Package p; 11172 synchronized (mPackages) { 11173 p = mPackages.get(packageName); 11174 } 11175 if (p == null) { 11176 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11177 return false; 11178 } 11179 final ApplicationInfo applicationInfo = p.applicationInfo; 11180 if (applicationInfo == null) { 11181 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11182 return false; 11183 } 11184 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11185 if (retCode < 0) { 11186 Slog.w(TAG, "Couldn't remove cache files for package: " 11187 + packageName + " u" + userId); 11188 return false; 11189 } 11190 return true; 11191 } 11192 11193 @Override 11194 public void getPackageSizeInfo(final String packageName, int userHandle, 11195 final IPackageStatsObserver observer) { 11196 mContext.enforceCallingOrSelfPermission( 11197 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11198 if (packageName == null) { 11199 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11200 } 11201 11202 PackageStats stats = new PackageStats(packageName, userHandle); 11203 11204 /* 11205 * Queue up an async operation since the package measurement may take a 11206 * little while. 11207 */ 11208 Message msg = mHandler.obtainMessage(INIT_COPY); 11209 msg.obj = new MeasureParams(stats, observer); 11210 mHandler.sendMessage(msg); 11211 } 11212 11213 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11214 PackageStats pStats) { 11215 if (packageName == null) { 11216 Slog.w(TAG, "Attempt to get size of null packageName."); 11217 return false; 11218 } 11219 PackageParser.Package p; 11220 boolean dataOnly = false; 11221 String libDirRoot = null; 11222 String asecPath = null; 11223 PackageSetting ps = null; 11224 synchronized (mPackages) { 11225 p = mPackages.get(packageName); 11226 ps = mSettings.mPackages.get(packageName); 11227 if(p == null) { 11228 dataOnly = true; 11229 if((ps == null) || (ps.pkg == null)) { 11230 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11231 return false; 11232 } 11233 p = ps.pkg; 11234 } 11235 if (ps != null) { 11236 libDirRoot = ps.legacyNativeLibraryPathString; 11237 } 11238 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11239 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11240 if (secureContainerId != null) { 11241 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11242 } 11243 } 11244 } 11245 String publicSrcDir = null; 11246 if(!dataOnly) { 11247 final ApplicationInfo applicationInfo = p.applicationInfo; 11248 if (applicationInfo == null) { 11249 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11250 return false; 11251 } 11252 if (isForwardLocked(p)) { 11253 publicSrcDir = applicationInfo.getBaseResourcePath(); 11254 } 11255 } 11256 // TODO: extend to measure size of split APKs 11257 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11258 // not just the first level. 11259 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11260 // just the primary. 11261 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11262 publicSrcDir, asecPath, getAppDexInstructionSets(ps), 11263 pStats); 11264 if (res < 0) { 11265 return false; 11266 } 11267 11268 // Fix-up for forward-locked applications in ASEC containers. 11269 if (!isExternal(p)) { 11270 pStats.codeSize += pStats.externalCodeSize; 11271 pStats.externalCodeSize = 0L; 11272 } 11273 11274 return true; 11275 } 11276 11277 11278 @Override 11279 public void addPackageToPreferred(String packageName) { 11280 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11281 } 11282 11283 @Override 11284 public void removePackageFromPreferred(String packageName) { 11285 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11286 } 11287 11288 @Override 11289 public List<PackageInfo> getPreferredPackages(int flags) { 11290 return new ArrayList<PackageInfo>(); 11291 } 11292 11293 private int getUidTargetSdkVersionLockedLPr(int uid) { 11294 Object obj = mSettings.getUserIdLPr(uid); 11295 if (obj instanceof SharedUserSetting) { 11296 final SharedUserSetting sus = (SharedUserSetting) obj; 11297 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11298 final Iterator<PackageSetting> it = sus.packages.iterator(); 11299 while (it.hasNext()) { 11300 final PackageSetting ps = it.next(); 11301 if (ps.pkg != null) { 11302 int v = ps.pkg.applicationInfo.targetSdkVersion; 11303 if (v < vers) vers = v; 11304 } 11305 } 11306 return vers; 11307 } else if (obj instanceof PackageSetting) { 11308 final PackageSetting ps = (PackageSetting) obj; 11309 if (ps.pkg != null) { 11310 return ps.pkg.applicationInfo.targetSdkVersion; 11311 } 11312 } 11313 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11314 } 11315 11316 @Override 11317 public void addPreferredActivity(IntentFilter filter, int match, 11318 ComponentName[] set, ComponentName activity, int userId) { 11319 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11320 } 11321 11322 private void addPreferredActivityInternal(IntentFilter filter, int match, 11323 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11324 // writer 11325 int callingUid = Binder.getCallingUid(); 11326 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11327 if (filter.countActions() == 0) { 11328 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11329 return; 11330 } 11331 synchronized (mPackages) { 11332 if (mContext.checkCallingOrSelfPermission( 11333 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11334 != PackageManager.PERMISSION_GRANTED) { 11335 if (getUidTargetSdkVersionLockedLPr(callingUid) 11336 < Build.VERSION_CODES.FROYO) { 11337 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11338 + callingUid); 11339 return; 11340 } 11341 mContext.enforceCallingOrSelfPermission( 11342 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11343 } 11344 11345 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11346 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11347 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11348 new PreferredActivity(filter, match, set, activity, always)); 11349 mSettings.writePackageRestrictionsLPr(userId); 11350 } 11351 } 11352 11353 @Override 11354 public void replacePreferredActivity(IntentFilter filter, int match, 11355 ComponentName[] set, ComponentName activity) { 11356 if (filter.countActions() != 1) { 11357 throw new IllegalArgumentException( 11358 "replacePreferredActivity expects filter to have only 1 action."); 11359 } 11360 if (filter.countDataAuthorities() != 0 11361 || filter.countDataPaths() != 0 11362 || filter.countDataSchemes() > 1 11363 || filter.countDataTypes() != 0) { 11364 throw new IllegalArgumentException( 11365 "replacePreferredActivity expects filter to have no data authorities, " + 11366 "paths, or types; and at most one scheme."); 11367 } 11368 synchronized (mPackages) { 11369 if (mContext.checkCallingOrSelfPermission( 11370 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11371 != PackageManager.PERMISSION_GRANTED) { 11372 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11373 < Build.VERSION_CODES.FROYO) { 11374 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11375 + Binder.getCallingUid()); 11376 return; 11377 } 11378 mContext.enforceCallingOrSelfPermission( 11379 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11380 } 11381 11382 final int callingUserId = UserHandle.getCallingUserId(); 11383 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11384 if (pir != null) { 11385 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11386 if (filter.countDataSchemes() == 1) { 11387 Uri.Builder builder = new Uri.Builder(); 11388 builder.scheme(filter.getDataScheme(0)); 11389 intent.setData(builder.build()); 11390 } 11391 List<PreferredActivity> matches = pir.queryIntent( 11392 intent, null, true, callingUserId); 11393 if (DEBUG_PREFERRED) { 11394 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11395 } 11396 for (int i = 0; i < matches.size(); i++) { 11397 PreferredActivity pa = matches.get(i); 11398 if (DEBUG_PREFERRED) { 11399 Slog.i(TAG, "Removing preferred activity " 11400 + pa.mPref.mComponent + ":"); 11401 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11402 } 11403 pir.removeFilter(pa); 11404 } 11405 } 11406 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11407 } 11408 } 11409 11410 @Override 11411 public void clearPackagePreferredActivities(String packageName) { 11412 final int uid = Binder.getCallingUid(); 11413 // writer 11414 synchronized (mPackages) { 11415 PackageParser.Package pkg = mPackages.get(packageName); 11416 if (pkg == null || pkg.applicationInfo.uid != uid) { 11417 if (mContext.checkCallingOrSelfPermission( 11418 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11419 != PackageManager.PERMISSION_GRANTED) { 11420 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11421 < Build.VERSION_CODES.FROYO) { 11422 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11423 + Binder.getCallingUid()); 11424 return; 11425 } 11426 mContext.enforceCallingOrSelfPermission( 11427 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11428 } 11429 } 11430 11431 int user = UserHandle.getCallingUserId(); 11432 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11433 mSettings.writePackageRestrictionsLPr(user); 11434 scheduleWriteSettingsLocked(); 11435 } 11436 } 11437 } 11438 11439 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11440 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11441 ArrayList<PreferredActivity> removed = null; 11442 boolean changed = false; 11443 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11444 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11445 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11446 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11447 continue; 11448 } 11449 Iterator<PreferredActivity> it = pir.filterIterator(); 11450 while (it.hasNext()) { 11451 PreferredActivity pa = it.next(); 11452 // Mark entry for removal only if it matches the package name 11453 // and the entry is of type "always". 11454 if (packageName == null || 11455 (pa.mPref.mComponent.getPackageName().equals(packageName) 11456 && pa.mPref.mAlways)) { 11457 if (removed == null) { 11458 removed = new ArrayList<PreferredActivity>(); 11459 } 11460 removed.add(pa); 11461 } 11462 } 11463 if (removed != null) { 11464 for (int j=0; j<removed.size(); j++) { 11465 PreferredActivity pa = removed.get(j); 11466 pir.removeFilter(pa); 11467 } 11468 changed = true; 11469 } 11470 } 11471 return changed; 11472 } 11473 11474 @Override 11475 public void resetPreferredActivities(int userId) { 11476 mContext.enforceCallingOrSelfPermission( 11477 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11478 // writer 11479 synchronized (mPackages) { 11480 int user = UserHandle.getCallingUserId(); 11481 clearPackagePreferredActivitiesLPw(null, user); 11482 mSettings.readDefaultPreferredAppsLPw(this, user); 11483 mSettings.writePackageRestrictionsLPr(user); 11484 scheduleWriteSettingsLocked(); 11485 } 11486 } 11487 11488 @Override 11489 public int getPreferredActivities(List<IntentFilter> outFilters, 11490 List<ComponentName> outActivities, String packageName) { 11491 11492 int num = 0; 11493 final int userId = UserHandle.getCallingUserId(); 11494 // reader 11495 synchronized (mPackages) { 11496 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11497 if (pir != null) { 11498 final Iterator<PreferredActivity> it = pir.filterIterator(); 11499 while (it.hasNext()) { 11500 final PreferredActivity pa = it.next(); 11501 if (packageName == null 11502 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11503 && pa.mPref.mAlways)) { 11504 if (outFilters != null) { 11505 outFilters.add(new IntentFilter(pa)); 11506 } 11507 if (outActivities != null) { 11508 outActivities.add(pa.mPref.mComponent); 11509 } 11510 } 11511 } 11512 } 11513 } 11514 11515 return num; 11516 } 11517 11518 @Override 11519 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11520 int userId) { 11521 int callingUid = Binder.getCallingUid(); 11522 if (callingUid != Process.SYSTEM_UID) { 11523 throw new SecurityException( 11524 "addPersistentPreferredActivity can only be run by the system"); 11525 } 11526 if (filter.countActions() == 0) { 11527 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11528 return; 11529 } 11530 synchronized (mPackages) { 11531 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11532 " :"); 11533 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11534 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11535 new PersistentPreferredActivity(filter, activity)); 11536 mSettings.writePackageRestrictionsLPr(userId); 11537 } 11538 } 11539 11540 @Override 11541 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11542 int callingUid = Binder.getCallingUid(); 11543 if (callingUid != Process.SYSTEM_UID) { 11544 throw new SecurityException( 11545 "clearPackagePersistentPreferredActivities can only be run by the system"); 11546 } 11547 ArrayList<PersistentPreferredActivity> removed = null; 11548 boolean changed = false; 11549 synchronized (mPackages) { 11550 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11551 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11552 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11553 .valueAt(i); 11554 if (userId != thisUserId) { 11555 continue; 11556 } 11557 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11558 while (it.hasNext()) { 11559 PersistentPreferredActivity ppa = it.next(); 11560 // Mark entry for removal only if it matches the package name. 11561 if (ppa.mComponent.getPackageName().equals(packageName)) { 11562 if (removed == null) { 11563 removed = new ArrayList<PersistentPreferredActivity>(); 11564 } 11565 removed.add(ppa); 11566 } 11567 } 11568 if (removed != null) { 11569 for (int j=0; j<removed.size(); j++) { 11570 PersistentPreferredActivity ppa = removed.get(j); 11571 ppir.removeFilter(ppa); 11572 } 11573 changed = true; 11574 } 11575 } 11576 11577 if (changed) { 11578 mSettings.writePackageRestrictionsLPr(userId); 11579 } 11580 } 11581 } 11582 11583 @Override 11584 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11585 int targetUserId, int flags) { 11586 mContext.enforceCallingOrSelfPermission( 11587 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11588 if (intentFilter.countActions() == 0) { 11589 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11590 return; 11591 } 11592 synchronized (mPackages) { 11593 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11594 targetUserId, flags); 11595 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11596 mSettings.writePackageRestrictionsLPr(sourceUserId); 11597 } 11598 } 11599 11600 public void addCrossProfileIntentsForPackage(String packageName, 11601 int sourceUserId, int targetUserId) { 11602 mContext.enforceCallingOrSelfPermission( 11603 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11604 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11605 mSettings.writePackageRestrictionsLPr(sourceUserId); 11606 } 11607 11608 public void removeCrossProfileIntentsForPackage(String packageName, 11609 int sourceUserId, int targetUserId) { 11610 mContext.enforceCallingOrSelfPermission( 11611 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11612 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11613 mSettings.writePackageRestrictionsLPr(sourceUserId); 11614 } 11615 11616 @Override 11617 public void clearCrossProfileIntentFilters(int sourceUserId) { 11618 mContext.enforceCallingOrSelfPermission( 11619 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11620 synchronized (mPackages) { 11621 CrossProfileIntentResolver resolver = 11622 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11623 HashSet<CrossProfileIntentFilter> set = 11624 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11625 for (CrossProfileIntentFilter filter : set) { 11626 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11627 resolver.removeFilter(filter); 11628 } 11629 } 11630 mSettings.writePackageRestrictionsLPr(sourceUserId); 11631 } 11632 } 11633 11634 @Override 11635 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11636 Intent intent = new Intent(Intent.ACTION_MAIN); 11637 intent.addCategory(Intent.CATEGORY_HOME); 11638 11639 final int callingUserId = UserHandle.getCallingUserId(); 11640 List<ResolveInfo> list = queryIntentActivities(intent, null, 11641 PackageManager.GET_META_DATA, callingUserId); 11642 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11643 true, false, false, callingUserId); 11644 11645 allHomeCandidates.clear(); 11646 if (list != null) { 11647 for (ResolveInfo ri : list) { 11648 allHomeCandidates.add(ri); 11649 } 11650 } 11651 return (preferred == null || preferred.activityInfo == null) 11652 ? null 11653 : new ComponentName(preferred.activityInfo.packageName, 11654 preferred.activityInfo.name); 11655 } 11656 11657 @Override 11658 public void setApplicationEnabledSetting(String appPackageName, 11659 int newState, int flags, int userId, String callingPackage) { 11660 if (!sUserManager.exists(userId)) return; 11661 if (callingPackage == null) { 11662 callingPackage = Integer.toString(Binder.getCallingUid()); 11663 } 11664 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11665 } 11666 11667 @Override 11668 public void setComponentEnabledSetting(ComponentName componentName, 11669 int newState, int flags, int userId) { 11670 if (!sUserManager.exists(userId)) return; 11671 setEnabledSetting(componentName.getPackageName(), 11672 componentName.getClassName(), newState, flags, userId, null); 11673 } 11674 11675 private void setEnabledSetting(final String packageName, String className, int newState, 11676 final int flags, int userId, String callingPackage) { 11677 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11678 || newState == COMPONENT_ENABLED_STATE_ENABLED 11679 || newState == COMPONENT_ENABLED_STATE_DISABLED 11680 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11681 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11682 throw new IllegalArgumentException("Invalid new component state: " 11683 + newState); 11684 } 11685 PackageSetting pkgSetting; 11686 final int uid = Binder.getCallingUid(); 11687 final int permission = mContext.checkCallingOrSelfPermission( 11688 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11689 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11690 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11691 boolean sendNow = false; 11692 boolean isApp = (className == null); 11693 String componentName = isApp ? packageName : className; 11694 int packageUid = -1; 11695 ArrayList<String> components; 11696 11697 // writer 11698 synchronized (mPackages) { 11699 pkgSetting = mSettings.mPackages.get(packageName); 11700 if (pkgSetting == null) { 11701 if (className == null) { 11702 throw new IllegalArgumentException( 11703 "Unknown package: " + packageName); 11704 } 11705 throw new IllegalArgumentException( 11706 "Unknown component: " + packageName 11707 + "/" + className); 11708 } 11709 // Allow root and verify that userId is not being specified by a different user 11710 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11711 throw new SecurityException( 11712 "Permission Denial: attempt to change component state from pid=" 11713 + Binder.getCallingPid() 11714 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11715 } 11716 if (className == null) { 11717 // We're dealing with an application/package level state change 11718 if (pkgSetting.getEnabled(userId) == newState) { 11719 // Nothing to do 11720 return; 11721 } 11722 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11723 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11724 // Don't care about who enables an app. 11725 callingPackage = null; 11726 } 11727 pkgSetting.setEnabled(newState, userId, callingPackage); 11728 // pkgSetting.pkg.mSetEnabled = newState; 11729 } else { 11730 // We're dealing with a component level state change 11731 // First, verify that this is a valid class name. 11732 PackageParser.Package pkg = pkgSetting.pkg; 11733 if (pkg == null || !pkg.hasComponentClassName(className)) { 11734 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11735 throw new IllegalArgumentException("Component class " + className 11736 + " does not exist in " + packageName); 11737 } else { 11738 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11739 + className + " does not exist in " + packageName); 11740 } 11741 } 11742 switch (newState) { 11743 case COMPONENT_ENABLED_STATE_ENABLED: 11744 if (!pkgSetting.enableComponentLPw(className, userId)) { 11745 return; 11746 } 11747 break; 11748 case COMPONENT_ENABLED_STATE_DISABLED: 11749 if (!pkgSetting.disableComponentLPw(className, userId)) { 11750 return; 11751 } 11752 break; 11753 case COMPONENT_ENABLED_STATE_DEFAULT: 11754 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11755 return; 11756 } 11757 break; 11758 default: 11759 Slog.e(TAG, "Invalid new component state: " + newState); 11760 return; 11761 } 11762 } 11763 mSettings.writePackageRestrictionsLPr(userId); 11764 components = mPendingBroadcasts.get(userId, packageName); 11765 final boolean newPackage = components == null; 11766 if (newPackage) { 11767 components = new ArrayList<String>(); 11768 } 11769 if (!components.contains(componentName)) { 11770 components.add(componentName); 11771 } 11772 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11773 sendNow = true; 11774 // Purge entry from pending broadcast list if another one exists already 11775 // since we are sending one right away. 11776 mPendingBroadcasts.remove(userId, packageName); 11777 } else { 11778 if (newPackage) { 11779 mPendingBroadcasts.put(userId, packageName, components); 11780 } 11781 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11782 // Schedule a message 11783 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11784 } 11785 } 11786 } 11787 11788 long callingId = Binder.clearCallingIdentity(); 11789 try { 11790 if (sendNow) { 11791 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11792 sendPackageChangedBroadcast(packageName, 11793 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11794 } 11795 } finally { 11796 Binder.restoreCallingIdentity(callingId); 11797 } 11798 } 11799 11800 private void sendPackageChangedBroadcast(String packageName, 11801 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11802 if (DEBUG_INSTALL) 11803 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11804 + componentNames); 11805 Bundle extras = new Bundle(4); 11806 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11807 String nameList[] = new String[componentNames.size()]; 11808 componentNames.toArray(nameList); 11809 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11810 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11811 extras.putInt(Intent.EXTRA_UID, packageUid); 11812 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11813 new int[] {UserHandle.getUserId(packageUid)}); 11814 } 11815 11816 @Override 11817 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11818 if (!sUserManager.exists(userId)) return; 11819 final int uid = Binder.getCallingUid(); 11820 final int permission = mContext.checkCallingOrSelfPermission( 11821 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11822 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11823 enforceCrossUserPermission(uid, userId, true, "stop package"); 11824 // writer 11825 synchronized (mPackages) { 11826 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11827 uid, userId)) { 11828 scheduleWritePackageRestrictionsLocked(userId); 11829 } 11830 } 11831 } 11832 11833 @Override 11834 public String getInstallerPackageName(String packageName) { 11835 // reader 11836 synchronized (mPackages) { 11837 return mSettings.getInstallerPackageNameLPr(packageName); 11838 } 11839 } 11840 11841 @Override 11842 public int getApplicationEnabledSetting(String packageName, int userId) { 11843 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11844 int uid = Binder.getCallingUid(); 11845 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11846 // reader 11847 synchronized (mPackages) { 11848 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11849 } 11850 } 11851 11852 @Override 11853 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11854 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11855 int uid = Binder.getCallingUid(); 11856 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11857 // reader 11858 synchronized (mPackages) { 11859 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11860 } 11861 } 11862 11863 @Override 11864 public void enterSafeMode() { 11865 enforceSystemOrRoot("Only the system can request entering safe mode"); 11866 11867 if (!mSystemReady) { 11868 mSafeMode = true; 11869 } 11870 } 11871 11872 @Override 11873 public void systemReady() { 11874 mSystemReady = true; 11875 11876 // Read the compatibilty setting when the system is ready. 11877 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11878 mContext.getContentResolver(), 11879 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11880 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11881 if (DEBUG_SETTINGS) { 11882 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11883 } 11884 11885 synchronized (mPackages) { 11886 // Verify that all of the preferred activity components actually 11887 // exist. It is possible for applications to be updated and at 11888 // that point remove a previously declared activity component that 11889 // had been set as a preferred activity. We try to clean this up 11890 // the next time we encounter that preferred activity, but it is 11891 // possible for the user flow to never be able to return to that 11892 // situation so here we do a sanity check to make sure we haven't 11893 // left any junk around. 11894 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11895 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11896 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11897 removed.clear(); 11898 for (PreferredActivity pa : pir.filterSet()) { 11899 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11900 removed.add(pa); 11901 } 11902 } 11903 if (removed.size() > 0) { 11904 for (int r=0; r<removed.size(); r++) { 11905 PreferredActivity pa = removed.get(r); 11906 Slog.w(TAG, "Removing dangling preferred activity: " 11907 + pa.mPref.mComponent); 11908 pir.removeFilter(pa); 11909 } 11910 mSettings.writePackageRestrictionsLPr( 11911 mSettings.mPreferredActivities.keyAt(i)); 11912 } 11913 } 11914 } 11915 sUserManager.systemReady(); 11916 } 11917 11918 @Override 11919 public boolean isSafeMode() { 11920 return mSafeMode; 11921 } 11922 11923 @Override 11924 public boolean hasSystemUidErrors() { 11925 return mHasSystemUidErrors; 11926 } 11927 11928 static String arrayToString(int[] array) { 11929 StringBuffer buf = new StringBuffer(128); 11930 buf.append('['); 11931 if (array != null) { 11932 for (int i=0; i<array.length; i++) { 11933 if (i > 0) buf.append(", "); 11934 buf.append(array[i]); 11935 } 11936 } 11937 buf.append(']'); 11938 return buf.toString(); 11939 } 11940 11941 static class DumpState { 11942 public static final int DUMP_LIBS = 1 << 0; 11943 11944 public static final int DUMP_FEATURES = 1 << 1; 11945 11946 public static final int DUMP_RESOLVERS = 1 << 2; 11947 11948 public static final int DUMP_PERMISSIONS = 1 << 3; 11949 11950 public static final int DUMP_PACKAGES = 1 << 4; 11951 11952 public static final int DUMP_SHARED_USERS = 1 << 5; 11953 11954 public static final int DUMP_MESSAGES = 1 << 6; 11955 11956 public static final int DUMP_PROVIDERS = 1 << 7; 11957 11958 public static final int DUMP_VERIFIERS = 1 << 8; 11959 11960 public static final int DUMP_PREFERRED = 1 << 9; 11961 11962 public static final int DUMP_PREFERRED_XML = 1 << 10; 11963 11964 public static final int DUMP_KEYSETS = 1 << 11; 11965 11966 public static final int DUMP_VERSION = 1 << 12; 11967 11968 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11969 11970 private int mTypes; 11971 11972 private int mOptions; 11973 11974 private boolean mTitlePrinted; 11975 11976 private SharedUserSetting mSharedUser; 11977 11978 public boolean isDumping(int type) { 11979 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11980 return true; 11981 } 11982 11983 return (mTypes & type) != 0; 11984 } 11985 11986 public void setDump(int type) { 11987 mTypes |= type; 11988 } 11989 11990 public boolean isOptionEnabled(int option) { 11991 return (mOptions & option) != 0; 11992 } 11993 11994 public void setOptionEnabled(int option) { 11995 mOptions |= option; 11996 } 11997 11998 public boolean onTitlePrinted() { 11999 final boolean printed = mTitlePrinted; 12000 mTitlePrinted = true; 12001 return printed; 12002 } 12003 12004 public boolean getTitlePrinted() { 12005 return mTitlePrinted; 12006 } 12007 12008 public void setTitlePrinted(boolean enabled) { 12009 mTitlePrinted = enabled; 12010 } 12011 12012 public SharedUserSetting getSharedUser() { 12013 return mSharedUser; 12014 } 12015 12016 public void setSharedUser(SharedUserSetting user) { 12017 mSharedUser = user; 12018 } 12019 } 12020 12021 @Override 12022 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12023 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12024 != PackageManager.PERMISSION_GRANTED) { 12025 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12026 + Binder.getCallingPid() 12027 + ", uid=" + Binder.getCallingUid() 12028 + " without permission " 12029 + android.Manifest.permission.DUMP); 12030 return; 12031 } 12032 12033 DumpState dumpState = new DumpState(); 12034 boolean fullPreferred = false; 12035 boolean checkin = false; 12036 12037 String packageName = null; 12038 12039 int opti = 0; 12040 while (opti < args.length) { 12041 String opt = args[opti]; 12042 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12043 break; 12044 } 12045 opti++; 12046 if ("-a".equals(opt)) { 12047 // Right now we only know how to print all. 12048 } else if ("-h".equals(opt)) { 12049 pw.println("Package manager dump options:"); 12050 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12051 pw.println(" --checkin: dump for a checkin"); 12052 pw.println(" -f: print details of intent filters"); 12053 pw.println(" -h: print this help"); 12054 pw.println(" cmd may be one of:"); 12055 pw.println(" l[ibraries]: list known shared libraries"); 12056 pw.println(" f[ibraries]: list device features"); 12057 pw.println(" k[eysets]: print known keysets"); 12058 pw.println(" r[esolvers]: dump intent resolvers"); 12059 pw.println(" perm[issions]: dump permissions"); 12060 pw.println(" pref[erred]: print preferred package settings"); 12061 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12062 pw.println(" prov[iders]: dump content providers"); 12063 pw.println(" p[ackages]: dump installed packages"); 12064 pw.println(" s[hared-users]: dump shared user IDs"); 12065 pw.println(" m[essages]: print collected runtime messages"); 12066 pw.println(" v[erifiers]: print package verifier info"); 12067 pw.println(" version: print database version info"); 12068 pw.println(" write: write current settings now"); 12069 pw.println(" <package.name>: info about given package"); 12070 return; 12071 } else if ("--checkin".equals(opt)) { 12072 checkin = true; 12073 } else if ("-f".equals(opt)) { 12074 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12075 } else { 12076 pw.println("Unknown argument: " + opt + "; use -h for help"); 12077 } 12078 } 12079 12080 // Is the caller requesting to dump a particular piece of data? 12081 if (opti < args.length) { 12082 String cmd = args[opti]; 12083 opti++; 12084 // Is this a package name? 12085 if ("android".equals(cmd) || cmd.contains(".")) { 12086 packageName = cmd; 12087 // When dumping a single package, we always dump all of its 12088 // filter information since the amount of data will be reasonable. 12089 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12090 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12091 dumpState.setDump(DumpState.DUMP_LIBS); 12092 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12093 dumpState.setDump(DumpState.DUMP_FEATURES); 12094 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12095 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12096 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12097 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12098 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12099 dumpState.setDump(DumpState.DUMP_PREFERRED); 12100 } else if ("preferred-xml".equals(cmd)) { 12101 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12102 if (opti < args.length && "--full".equals(args[opti])) { 12103 fullPreferred = true; 12104 opti++; 12105 } 12106 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12107 dumpState.setDump(DumpState.DUMP_PACKAGES); 12108 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12109 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12110 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12111 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12112 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12113 dumpState.setDump(DumpState.DUMP_MESSAGES); 12114 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12115 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12116 } else if ("version".equals(cmd)) { 12117 dumpState.setDump(DumpState.DUMP_VERSION); 12118 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12119 dumpState.setDump(DumpState.DUMP_KEYSETS); 12120 } else if ("write".equals(cmd)) { 12121 synchronized (mPackages) { 12122 mSettings.writeLPr(); 12123 pw.println("Settings written."); 12124 return; 12125 } 12126 } 12127 } 12128 12129 if (checkin) { 12130 pw.println("vers,1"); 12131 } 12132 12133 // reader 12134 synchronized (mPackages) { 12135 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12136 if (!checkin) { 12137 if (dumpState.onTitlePrinted()) 12138 pw.println(); 12139 pw.println("Database versions:"); 12140 pw.print(" SDK Version:"); 12141 pw.print(" internal="); 12142 pw.print(mSettings.mInternalSdkPlatform); 12143 pw.print(" external="); 12144 pw.println(mSettings.mExternalSdkPlatform); 12145 pw.print(" DB Version:"); 12146 pw.print(" internal="); 12147 pw.print(mSettings.mInternalDatabaseVersion); 12148 pw.print(" external="); 12149 pw.println(mSettings.mExternalDatabaseVersion); 12150 } 12151 } 12152 12153 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12154 if (!checkin) { 12155 if (dumpState.onTitlePrinted()) 12156 pw.println(); 12157 pw.println("Verifiers:"); 12158 pw.print(" Required: "); 12159 pw.print(mRequiredVerifierPackage); 12160 pw.print(" (uid="); 12161 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12162 pw.println(")"); 12163 } else if (mRequiredVerifierPackage != null) { 12164 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12165 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12166 } 12167 } 12168 12169 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12170 boolean printedHeader = false; 12171 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12172 while (it.hasNext()) { 12173 String name = it.next(); 12174 SharedLibraryEntry ent = mSharedLibraries.get(name); 12175 if (!checkin) { 12176 if (!printedHeader) { 12177 if (dumpState.onTitlePrinted()) 12178 pw.println(); 12179 pw.println("Libraries:"); 12180 printedHeader = true; 12181 } 12182 pw.print(" "); 12183 } else { 12184 pw.print("lib,"); 12185 } 12186 pw.print(name); 12187 if (!checkin) { 12188 pw.print(" -> "); 12189 } 12190 if (ent.path != null) { 12191 if (!checkin) { 12192 pw.print("(jar) "); 12193 pw.print(ent.path); 12194 } else { 12195 pw.print(",jar,"); 12196 pw.print(ent.path); 12197 } 12198 } else { 12199 if (!checkin) { 12200 pw.print("(apk) "); 12201 pw.print(ent.apk); 12202 } else { 12203 pw.print(",apk,"); 12204 pw.print(ent.apk); 12205 } 12206 } 12207 pw.println(); 12208 } 12209 } 12210 12211 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12212 if (dumpState.onTitlePrinted()) 12213 pw.println(); 12214 if (!checkin) { 12215 pw.println("Features:"); 12216 } 12217 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12218 while (it.hasNext()) { 12219 String name = it.next(); 12220 if (!checkin) { 12221 pw.print(" "); 12222 } else { 12223 pw.print("feat,"); 12224 } 12225 pw.println(name); 12226 } 12227 } 12228 12229 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12230 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12231 : "Activity Resolver Table:", " ", packageName, 12232 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12233 dumpState.setTitlePrinted(true); 12234 } 12235 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12236 : "Receiver Resolver Table:", " ", packageName, 12237 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12238 dumpState.setTitlePrinted(true); 12239 } 12240 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12241 : "Service Resolver Table:", " ", packageName, 12242 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12243 dumpState.setTitlePrinted(true); 12244 } 12245 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12246 : "Provider Resolver Table:", " ", packageName, 12247 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12248 dumpState.setTitlePrinted(true); 12249 } 12250 } 12251 12252 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12253 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12254 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12255 int user = mSettings.mPreferredActivities.keyAt(i); 12256 if (pir.dump(pw, 12257 dumpState.getTitlePrinted() 12258 ? "\nPreferred Activities User " + user + ":" 12259 : "Preferred Activities User " + user + ":", " ", 12260 packageName, true)) { 12261 dumpState.setTitlePrinted(true); 12262 } 12263 } 12264 } 12265 12266 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12267 pw.flush(); 12268 FileOutputStream fout = new FileOutputStream(fd); 12269 BufferedOutputStream str = new BufferedOutputStream(fout); 12270 XmlSerializer serializer = new FastXmlSerializer(); 12271 try { 12272 serializer.setOutput(str, "utf-8"); 12273 serializer.startDocument(null, true); 12274 serializer.setFeature( 12275 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12276 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12277 serializer.endDocument(); 12278 serializer.flush(); 12279 } catch (IllegalArgumentException e) { 12280 pw.println("Failed writing: " + e); 12281 } catch (IllegalStateException e) { 12282 pw.println("Failed writing: " + e); 12283 } catch (IOException e) { 12284 pw.println("Failed writing: " + e); 12285 } 12286 } 12287 12288 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12289 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12290 } 12291 12292 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12293 boolean printedSomething = false; 12294 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12295 if (packageName != null && !packageName.equals(p.info.packageName)) { 12296 continue; 12297 } 12298 if (!printedSomething) { 12299 if (dumpState.onTitlePrinted()) 12300 pw.println(); 12301 pw.println("Registered ContentProviders:"); 12302 printedSomething = true; 12303 } 12304 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12305 pw.print(" "); pw.println(p.toString()); 12306 } 12307 printedSomething = false; 12308 for (Map.Entry<String, PackageParser.Provider> entry : 12309 mProvidersByAuthority.entrySet()) { 12310 PackageParser.Provider p = entry.getValue(); 12311 if (packageName != null && !packageName.equals(p.info.packageName)) { 12312 continue; 12313 } 12314 if (!printedSomething) { 12315 if (dumpState.onTitlePrinted()) 12316 pw.println(); 12317 pw.println("ContentProvider Authorities:"); 12318 printedSomething = true; 12319 } 12320 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12321 pw.print(" "); pw.println(p.toString()); 12322 if (p.info != null && p.info.applicationInfo != null) { 12323 final String appInfo = p.info.applicationInfo.toString(); 12324 pw.print(" applicationInfo="); pw.println(appInfo); 12325 } 12326 } 12327 } 12328 12329 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12330 mSettings.mKeySetManagerService.dump(pw, packageName, dumpState); 12331 } 12332 12333 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12334 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12335 } 12336 12337 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12338 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12339 } 12340 12341 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12342 if (dumpState.onTitlePrinted()) 12343 pw.println(); 12344 mSettings.dumpReadMessagesLPr(pw, dumpState); 12345 12346 pw.println(); 12347 pw.println("Package warning messages:"); 12348 final File fname = getSettingsProblemFile(); 12349 FileInputStream in = null; 12350 try { 12351 in = new FileInputStream(fname); 12352 final int avail = in.available(); 12353 final byte[] data = new byte[avail]; 12354 in.read(data); 12355 pw.print(new String(data)); 12356 } catch (FileNotFoundException e) { 12357 } catch (IOException e) { 12358 } finally { 12359 if (in != null) { 12360 try { 12361 in.close(); 12362 } catch (IOException e) { 12363 } 12364 } 12365 } 12366 } 12367 } 12368 } 12369 12370 // ------- apps on sdcard specific code ------- 12371 static final boolean DEBUG_SD_INSTALL = false; 12372 12373 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12374 12375 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12376 12377 private boolean mMediaMounted = false; 12378 12379 private String getEncryptKey() { 12380 try { 12381 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12382 SD_ENCRYPTION_KEYSTORE_NAME); 12383 if (sdEncKey == null) { 12384 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12385 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12386 if (sdEncKey == null) { 12387 Slog.e(TAG, "Failed to create encryption keys"); 12388 return null; 12389 } 12390 } 12391 return sdEncKey; 12392 } catch (NoSuchAlgorithmException nsae) { 12393 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12394 return null; 12395 } catch (IOException ioe) { 12396 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12397 return null; 12398 } 12399 12400 } 12401 12402 /* package */static String getTempContainerId() { 12403 int tmpIdx = 1; 12404 String list[] = PackageHelper.getSecureContainerList(); 12405 if (list != null) { 12406 for (final String name : list) { 12407 // Ignore null and non-temporary container entries 12408 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12409 continue; 12410 } 12411 12412 String subStr = name.substring(mTempContainerPrefix.length()); 12413 try { 12414 int cid = Integer.parseInt(subStr); 12415 if (cid >= tmpIdx) { 12416 tmpIdx = cid + 1; 12417 } 12418 } catch (NumberFormatException e) { 12419 } 12420 } 12421 } 12422 return mTempContainerPrefix + tmpIdx; 12423 } 12424 12425 /* 12426 * Update media status on PackageManager. 12427 */ 12428 @Override 12429 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12430 int callingUid = Binder.getCallingUid(); 12431 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12432 throw new SecurityException("Media status can only be updated by the system"); 12433 } 12434 // reader; this apparently protects mMediaMounted, but should probably 12435 // be a different lock in that case. 12436 synchronized (mPackages) { 12437 Log.i(TAG, "Updating external media status from " 12438 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12439 + (mediaStatus ? "mounted" : "unmounted")); 12440 if (DEBUG_SD_INSTALL) 12441 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12442 + ", mMediaMounted=" + mMediaMounted); 12443 if (mediaStatus == mMediaMounted) { 12444 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12445 : 0, -1); 12446 mHandler.sendMessage(msg); 12447 return; 12448 } 12449 mMediaMounted = mediaStatus; 12450 } 12451 // Queue up an async operation since the package installation may take a 12452 // little while. 12453 mHandler.post(new Runnable() { 12454 public void run() { 12455 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12456 } 12457 }); 12458 } 12459 12460 /** 12461 * Called by MountService when the initial ASECs to scan are available. 12462 * Should block until all the ASEC containers are finished being scanned. 12463 */ 12464 public void scanAvailableAsecs() { 12465 updateExternalMediaStatusInner(true, false, false); 12466 if (mShouldRestoreconData) { 12467 SELinuxMMAC.setRestoreconDone(); 12468 mShouldRestoreconData = false; 12469 } 12470 } 12471 12472 /* 12473 * Collect information of applications on external media, map them against 12474 * existing containers and update information based on current mount status. 12475 * Please note that we always have to report status if reportStatus has been 12476 * set to true especially when unloading packages. 12477 */ 12478 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12479 boolean externalStorage) { 12480 // Collection of uids 12481 int uidArr[] = null; 12482 // Collection of stale containers 12483 HashSet<String> removeCids = new HashSet<String>(); 12484 // Collection of packages on external media with valid containers. 12485 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12486 // Get list of secure containers. 12487 final String list[] = PackageHelper.getSecureContainerList(); 12488 if (list == null || list.length == 0) { 12489 Log.i(TAG, "No secure containers on sdcard"); 12490 } else { 12491 // Process list of secure containers and categorize them 12492 // as active or stale based on their package internal state. 12493 int uidList[] = new int[list.length]; 12494 int num = 0; 12495 // reader 12496 synchronized (mPackages) { 12497 for (String cid : list) { 12498 if (DEBUG_SD_INSTALL) 12499 Log.i(TAG, "Processing container " + cid); 12500 String pkgName = getAsecPackageName(cid); 12501 if (pkgName == null) { 12502 if (DEBUG_SD_INSTALL) 12503 Log.i(TAG, "Container : " + cid + " stale"); 12504 removeCids.add(cid); 12505 continue; 12506 } 12507 if (DEBUG_SD_INSTALL) 12508 Log.i(TAG, "Looking for pkg : " + pkgName); 12509 12510 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12511 if (ps == null) { 12512 Log.i(TAG, "Deleting container with no matching settings " + cid); 12513 removeCids.add(cid); 12514 continue; 12515 } 12516 12517 /* 12518 * Skip packages that are not external if we're unmounting 12519 * external storage. 12520 */ 12521 if (externalStorage && !isMounted && !isExternal(ps)) { 12522 continue; 12523 } 12524 12525 final AsecInstallArgs args = new AsecInstallArgs(cid, 12526 getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps)); 12527 // The package status is changed only if the code path 12528 // matches between settings and the container id. 12529 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12530 if (DEBUG_SD_INSTALL) { 12531 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12532 + " at code path: " + ps.codePathString); 12533 } 12534 12535 // We do have a valid package installed on sdcard 12536 processCids.put(args, ps.codePathString); 12537 final int uid = ps.appId; 12538 if (uid != -1) { 12539 uidList[num++] = uid; 12540 } 12541 } else { 12542 Log.i(TAG, "Deleting stale container for " + cid); 12543 removeCids.add(cid); 12544 } 12545 } 12546 } 12547 12548 if (num > 0) { 12549 // Sort uid list 12550 Arrays.sort(uidList, 0, num); 12551 // Throw away duplicates 12552 uidArr = new int[num]; 12553 uidArr[0] = uidList[0]; 12554 int di = 0; 12555 for (int i = 1; i < num; i++) { 12556 if (uidList[i - 1] != uidList[i]) { 12557 uidArr[di++] = uidList[i]; 12558 } 12559 } 12560 } 12561 } 12562 // Process packages with valid entries. 12563 if (isMounted) { 12564 if (DEBUG_SD_INSTALL) 12565 Log.i(TAG, "Loading packages"); 12566 loadMediaPackages(processCids, uidArr, removeCids); 12567 startCleaningPackages(); 12568 } else { 12569 if (DEBUG_SD_INSTALL) 12570 Log.i(TAG, "Unloading packages"); 12571 unloadMediaPackages(processCids, uidArr, reportStatus); 12572 } 12573 } 12574 12575 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12576 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12577 int size = pkgList.size(); 12578 if (size > 0) { 12579 // Send broadcasts here 12580 Bundle extras = new Bundle(); 12581 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12582 .toArray(new String[size])); 12583 if (uidArr != null) { 12584 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12585 } 12586 if (replacing) { 12587 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12588 } 12589 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12590 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12591 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12592 } 12593 } 12594 12595 /* 12596 * Look at potentially valid container ids from processCids If package 12597 * information doesn't match the one on record or package scanning fails, 12598 * the cid is added to list of removeCids. We currently don't delete stale 12599 * containers. 12600 */ 12601 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12602 HashSet<String> removeCids) { 12603 ArrayList<String> pkgList = new ArrayList<String>(); 12604 Set<AsecInstallArgs> keys = processCids.keySet(); 12605 boolean doGc = false; 12606 for (AsecInstallArgs args : keys) { 12607 String codePath = processCids.get(args); 12608 if (DEBUG_SD_INSTALL) 12609 Log.i(TAG, "Loading container : " + args.cid); 12610 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12611 try { 12612 // Make sure there are no container errors first. 12613 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12614 Slog.e(TAG, "Failed to mount cid : " + args.cid 12615 + " when installing from sdcard"); 12616 continue; 12617 } 12618 // Check code path here. 12619 if (codePath == null || !codePath.equals(args.getCodePath())) { 12620 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12621 + " does not match one in settings " + codePath); 12622 continue; 12623 } 12624 // Parse package 12625 int parseFlags = mDefParseFlags; 12626 if (args.isExternal()) { 12627 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12628 } 12629 if (args.isFwdLocked()) { 12630 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12631 } 12632 12633 doGc = true; 12634 synchronized (mInstallLock) { 12635 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12636 0, 0, null, null); 12637 // Scan the package 12638 if (pkg != null) { 12639 /* 12640 * TODO why is the lock being held? doPostInstall is 12641 * called in other places without the lock. This needs 12642 * to be straightened out. 12643 */ 12644 // writer 12645 synchronized (mPackages) { 12646 retCode = PackageManager.INSTALL_SUCCEEDED; 12647 pkgList.add(pkg.packageName); 12648 // Post process args 12649 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12650 pkg.applicationInfo.uid); 12651 } 12652 } else { 12653 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12654 } 12655 } 12656 12657 } finally { 12658 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12659 // Don't destroy container here. Wait till gc clears things 12660 // up. 12661 removeCids.add(args.cid); 12662 } 12663 } 12664 } 12665 // writer 12666 synchronized (mPackages) { 12667 // If the platform SDK has changed since the last time we booted, 12668 // we need to re-grant app permission to catch any new ones that 12669 // appear. This is really a hack, and means that apps can in some 12670 // cases get permissions that the user didn't initially explicitly 12671 // allow... it would be nice to have some better way to handle 12672 // this situation. 12673 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12674 if (regrantPermissions) 12675 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12676 + mSdkVersion + "; regranting permissions for external storage"); 12677 mSettings.mExternalSdkPlatform = mSdkVersion; 12678 12679 // Make sure group IDs have been assigned, and any permission 12680 // changes in other apps are accounted for 12681 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12682 | (regrantPermissions 12683 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12684 : 0)); 12685 12686 mSettings.updateExternalDatabaseVersion(); 12687 12688 // can downgrade to reader 12689 // Persist settings 12690 mSettings.writeLPr(); 12691 } 12692 // Send a broadcast to let everyone know we are done processing 12693 if (pkgList.size() > 0) { 12694 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12695 } 12696 // Force gc to avoid any stale parser references that we might have. 12697 if (doGc) { 12698 Runtime.getRuntime().gc(); 12699 } 12700 // List stale containers and destroy stale temporary containers. 12701 if (removeCids != null) { 12702 for (String cid : removeCids) { 12703 if (cid.startsWith(mTempContainerPrefix)) { 12704 Log.i(TAG, "Destroying stale temporary container " + cid); 12705 PackageHelper.destroySdDir(cid); 12706 } else { 12707 Log.w(TAG, "Container " + cid + " is stale"); 12708 } 12709 } 12710 } 12711 } 12712 12713 /* 12714 * Utility method to unload a list of specified containers 12715 */ 12716 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12717 // Just unmount all valid containers. 12718 for (AsecInstallArgs arg : cidArgs) { 12719 synchronized (mInstallLock) { 12720 arg.doPostDeleteLI(false); 12721 } 12722 } 12723 } 12724 12725 /* 12726 * Unload packages mounted on external media. This involves deleting package 12727 * data from internal structures, sending broadcasts about diabled packages, 12728 * gc'ing to free up references, unmounting all secure containers 12729 * corresponding to packages on external media, and posting a 12730 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12731 * that we always have to post this message if status has been requested no 12732 * matter what. 12733 */ 12734 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12735 final boolean reportStatus) { 12736 if (DEBUG_SD_INSTALL) 12737 Log.i(TAG, "unloading media packages"); 12738 ArrayList<String> pkgList = new ArrayList<String>(); 12739 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12740 final Set<AsecInstallArgs> keys = processCids.keySet(); 12741 for (AsecInstallArgs args : keys) { 12742 String pkgName = args.getPackageName(); 12743 if (DEBUG_SD_INSTALL) 12744 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12745 // Delete package internally 12746 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12747 synchronized (mInstallLock) { 12748 boolean res = deletePackageLI(pkgName, null, false, null, null, 12749 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12750 if (res) { 12751 pkgList.add(pkgName); 12752 } else { 12753 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12754 failedList.add(args); 12755 } 12756 } 12757 } 12758 12759 // reader 12760 synchronized (mPackages) { 12761 // We didn't update the settings after removing each package; 12762 // write them now for all packages. 12763 mSettings.writeLPr(); 12764 } 12765 12766 // We have to absolutely send UPDATED_MEDIA_STATUS only 12767 // after confirming that all the receivers processed the ordered 12768 // broadcast when packages get disabled, force a gc to clean things up. 12769 // and unload all the containers. 12770 if (pkgList.size() > 0) { 12771 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12772 new IIntentReceiver.Stub() { 12773 public void performReceive(Intent intent, int resultCode, String data, 12774 Bundle extras, boolean ordered, boolean sticky, 12775 int sendingUser) throws RemoteException { 12776 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12777 reportStatus ? 1 : 0, 1, keys); 12778 mHandler.sendMessage(msg); 12779 } 12780 }); 12781 } else { 12782 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12783 keys); 12784 mHandler.sendMessage(msg); 12785 } 12786 } 12787 12788 /** Binder call */ 12789 @Override 12790 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12791 final int flags) { 12792 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12793 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12794 int returnCode = PackageManager.MOVE_SUCCEEDED; 12795 int currFlags = 0; 12796 int newFlags = 0; 12797 // reader 12798 synchronized (mPackages) { 12799 PackageParser.Package pkg = mPackages.get(packageName); 12800 if (pkg == null) { 12801 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12802 } else { 12803 // Disable moving fwd locked apps and system packages 12804 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12805 Slog.w(TAG, "Cannot move system application"); 12806 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12807 } else if (pkg.mOperationPending) { 12808 Slog.w(TAG, "Attempt to move package which has pending operations"); 12809 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12810 } else { 12811 // Find install location first 12812 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12813 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12814 Slog.w(TAG, "Ambigous flags specified for move location."); 12815 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12816 } else { 12817 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12818 : PackageManager.INSTALL_INTERNAL; 12819 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12820 : PackageManager.INSTALL_INTERNAL; 12821 12822 if (newFlags == currFlags) { 12823 Slog.w(TAG, "No move required. Trying to move to same location"); 12824 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12825 } else { 12826 if (isForwardLocked(pkg)) { 12827 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12828 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12829 } 12830 } 12831 } 12832 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12833 pkg.mOperationPending = true; 12834 } 12835 } 12836 } 12837 12838 /* 12839 * TODO this next block probably shouldn't be inside the lock. We 12840 * can't guarantee these won't change after this is fired off 12841 * anyway. 12842 */ 12843 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12844 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false), 12845 returnCode); 12846 } else { 12847 Message msg = mHandler.obtainMessage(INIT_COPY); 12848 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 12849 final boolean multiArch = isMultiArch(pkg.applicationInfo); 12850 InstallArgs srcArgs = createInstallArgsForExisting(currFlags, 12851 pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(), 12852 pkg.applicationInfo.legacyNativeLibraryDir, instructionSets, multiArch); 12853 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12854 instructionSets, pkg.applicationInfo.uid, user, multiArch); 12855 msg.obj = mp; 12856 mHandler.sendMessage(msg); 12857 } 12858 } 12859 } 12860 12861 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12862 // Queue up an async operation since the package deletion may take a 12863 // little while. 12864 mHandler.post(new Runnable() { 12865 public void run() { 12866 // TODO fix this; this does nothing. 12867 mHandler.removeCallbacks(this); 12868 int returnCode = currentStatus; 12869 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12870 int uidArr[] = null; 12871 ArrayList<String> pkgList = null; 12872 synchronized (mPackages) { 12873 PackageParser.Package pkg = mPackages.get(mp.packageName); 12874 if (pkg == null) { 12875 Slog.w(TAG, " Package " + mp.packageName 12876 + " doesn't exist. Aborting move"); 12877 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12878 } else if (!mp.srcArgs.getCodePath().equals( 12879 pkg.applicationInfo.getCodePath())) { 12880 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12881 + mp.srcArgs.getCodePath() + " to " 12882 + pkg.applicationInfo.getCodePath() 12883 + " Aborting move and returning error"); 12884 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12885 } else { 12886 uidArr = new int[] { 12887 pkg.applicationInfo.uid 12888 }; 12889 pkgList = new ArrayList<String>(); 12890 pkgList.add(mp.packageName); 12891 } 12892 } 12893 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12894 // Send resources unavailable broadcast 12895 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12896 // Update package code and resource paths 12897 synchronized (mInstallLock) { 12898 synchronized (mPackages) { 12899 PackageParser.Package pkg = mPackages.get(mp.packageName); 12900 // Recheck for package again. 12901 if (pkg == null) { 12902 Slog.w(TAG, " Package " + mp.packageName 12903 + " doesn't exist. Aborting move"); 12904 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12905 } else if (!mp.srcArgs.getCodePath().equals( 12906 pkg.applicationInfo.getCodePath())) { 12907 Slog.w(TAG, "Package " + mp.packageName 12908 + " code path changed from " + mp.srcArgs.getCodePath() 12909 + " to " + pkg.applicationInfo.getCodePath() 12910 + " Aborting move and returning error"); 12911 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12912 } else { 12913 final String oldCodePath = pkg.codePath; 12914 final String newCodePath = mp.targetArgs.getCodePath(); 12915 final String newResPath = mp.targetArgs.getResourcePath(); 12916 // TODO: This assumes the new style of installation. 12917 // should we look at legacyNativeLibraryPath ? 12918 final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath(); 12919 final File newNativeDir = new File(newNativeRoot); 12920 12921 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12922 // TODO(multiArch): Fix this so that it looks at the existing 12923 // recorded CPU abis from the package. There's no need for a separate 12924 // round of ABI scanning here. 12925 NativeLibraryHelper.Handle handle = null; 12926 try { 12927 handle = NativeLibraryHelper.Handle.create( 12928 new File(newCodePath)); 12929 final int abi = NativeLibraryHelper.findSupportedAbi( 12930 handle, Build.SUPPORTED_ABIS); 12931 if (abi >= 0) { 12932 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12933 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12934 } 12935 } catch (IOException ioe) { 12936 Slog.w(TAG, "Unable to extract native libs for package :" 12937 + mp.packageName, ioe); 12938 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12939 } finally { 12940 IoUtils.closeQuietly(handle); 12941 } 12942 } 12943 12944 final int[] users = sUserManager.getUserIds(); 12945 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12946 for (int user : users) { 12947 // TODO(multiArch): Fix this so that it links to the 12948 // correct directory. We're currently pointing to root. but we 12949 // must point to the arch specific subdirectory (if applicable). 12950 // 12951 // TODO(multiArch): Bogus reference to nativeLibraryDir. 12952 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12953 newNativeRoot, user) < 0) { 12954 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12955 } 12956 } 12957 } 12958 12959 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12960 pkg.codePath = newCodePath; 12961 pkg.baseCodePath = newCodePath; 12962 // Move dex files around 12963 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12964 // Moving of dex files failed. Set 12965 // error code and abort move. 12966 pkg.codePath = oldCodePath; 12967 pkg.baseCodePath = oldCodePath; 12968 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12969 } 12970 } 12971 12972 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12973 pkg.applicationInfo.setCodePath(newCodePath); 12974 pkg.applicationInfo.setBaseCodePath(newCodePath); 12975 pkg.applicationInfo.setSplitCodePaths(null); 12976 pkg.applicationInfo.setResourcePath(newResPath); 12977 pkg.applicationInfo.setBaseResourcePath(newResPath); 12978 pkg.applicationInfo.setSplitResourcePaths(null); 12979 // Null out the legacy nativeLibraryDir so that we stop using it and 12980 // always derive the codepath. 12981 pkg.applicationInfo.legacyNativeLibraryDir = null; 12982 12983 PackageSetting ps = (PackageSetting) pkg.mExtras; 12984 ps.codePath = new File(pkg.applicationInfo.getCodePath()); 12985 ps.codePathString = ps.codePath.getPath(); 12986 ps.resourcePath = new File(pkg.applicationInfo.getResourcePath()); 12987 ps.resourcePathString = ps.resourcePath.getPath(); 12988 12989 // Note that we don't have to recalculate the primary and secondary 12990 // CPU ABIs because they must already have been calculated during the 12991 // initial install of the app. 12992 ps.legacyNativeLibraryPathString = null; 12993 12994 // Set the application info flag 12995 // correctly. 12996 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12997 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12998 } else { 12999 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13000 } 13001 ps.setFlags(pkg.applicationInfo.flags); 13002 mAppDirs.remove(oldCodePath); 13003 mAppDirs.put(newCodePath, pkg); 13004 // Persist settings 13005 mSettings.writeLPr(); 13006 } 13007 } 13008 } 13009 } 13010 // Send resources available broadcast 13011 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13012 } 13013 } 13014 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13015 // Clean up failed installation 13016 if (mp.targetArgs != null) { 13017 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13018 -1); 13019 } 13020 } else { 13021 // Force a gc to clear things up. 13022 Runtime.getRuntime().gc(); 13023 // Delete older code 13024 synchronized (mInstallLock) { 13025 mp.srcArgs.doPostDeleteLI(true); 13026 } 13027 } 13028 13029 // Allow more operations on this file if we didn't fail because 13030 // an operation was already pending for this package. 13031 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13032 synchronized (mPackages) { 13033 PackageParser.Package pkg = mPackages.get(mp.packageName); 13034 if (pkg != null) { 13035 pkg.mOperationPending = false; 13036 } 13037 } 13038 } 13039 13040 IPackageMoveObserver observer = mp.observer; 13041 if (observer != null) { 13042 try { 13043 observer.packageMoved(mp.packageName, returnCode); 13044 } catch (RemoteException e) { 13045 Log.i(TAG, "Observer no longer exists."); 13046 } 13047 } 13048 } 13049 }); 13050 } 13051 13052 @Override 13053 public boolean setInstallLocation(int loc) { 13054 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13055 null); 13056 if (getInstallLocation() == loc) { 13057 return true; 13058 } 13059 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13060 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13061 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13062 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13063 return true; 13064 } 13065 return false; 13066 } 13067 13068 @Override 13069 public int getInstallLocation() { 13070 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13071 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13072 PackageHelper.APP_INSTALL_AUTO); 13073 } 13074 13075 /** Called by UserManagerService */ 13076 void cleanUpUserLILPw(int userHandle) { 13077 mDirtyUsers.remove(userHandle); 13078 mSettings.removeUserLPw(userHandle); 13079 mPendingBroadcasts.remove(userHandle); 13080 if (mInstaller != null) { 13081 // Technically, we shouldn't be doing this with the package lock 13082 // held. However, this is very rare, and there is already so much 13083 // other disk I/O going on, that we'll let it slide for now. 13084 mInstaller.removeUserDataDirs(userHandle); 13085 } 13086 mUserNeedsBadging.delete(userHandle); 13087 } 13088 13089 /** Called by UserManagerService */ 13090 void createNewUserLILPw(int userHandle, File path) { 13091 if (mInstaller != null) { 13092 mInstaller.createUserConfig(userHandle); 13093 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13094 } 13095 } 13096 13097 @Override 13098 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13099 mContext.enforceCallingOrSelfPermission( 13100 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13101 "Only package verification agents can read the verifier device identity"); 13102 13103 synchronized (mPackages) { 13104 return mSettings.getVerifierDeviceIdentityLPw(); 13105 } 13106 } 13107 13108 @Override 13109 public void setPermissionEnforced(String permission, boolean enforced) { 13110 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13111 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13112 synchronized (mPackages) { 13113 if (mSettings.mReadExternalStorageEnforced == null 13114 || mSettings.mReadExternalStorageEnforced != enforced) { 13115 mSettings.mReadExternalStorageEnforced = enforced; 13116 mSettings.writeLPr(); 13117 } 13118 } 13119 // kill any non-foreground processes so we restart them and 13120 // grant/revoke the GID. 13121 final IActivityManager am = ActivityManagerNative.getDefault(); 13122 if (am != null) { 13123 final long token = Binder.clearCallingIdentity(); 13124 try { 13125 am.killProcessesBelowForeground("setPermissionEnforcement"); 13126 } catch (RemoteException e) { 13127 } finally { 13128 Binder.restoreCallingIdentity(token); 13129 } 13130 } 13131 } else { 13132 throw new IllegalArgumentException("No selective enforcement for " + permission); 13133 } 13134 } 13135 13136 @Override 13137 @Deprecated 13138 public boolean isPermissionEnforced(String permission) { 13139 return true; 13140 } 13141 13142 @Override 13143 public boolean isStorageLow() { 13144 final long token = Binder.clearCallingIdentity(); 13145 try { 13146 final DeviceStorageMonitorInternal 13147 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13148 if (dsm != null) { 13149 return dsm.isMemoryLow(); 13150 } else { 13151 return false; 13152 } 13153 } finally { 13154 Binder.restoreCallingIdentity(token); 13155 } 13156 } 13157 13158 @Override 13159 public IPackageInstaller getPackageInstaller() { 13160 return mInstallerService; 13161 } 13162 13163 private boolean userNeedsBadging(int userId) { 13164 int index = mUserNeedsBadging.indexOfKey(userId); 13165 if (index < 0) { 13166 final UserInfo userInfo; 13167 final long token = Binder.clearCallingIdentity(); 13168 try { 13169 userInfo = sUserManager.getUserInfo(userId); 13170 } finally { 13171 Binder.restoreCallingIdentity(token); 13172 } 13173 final boolean b; 13174 if (userInfo != null && userInfo.isManagedProfile()) { 13175 b = true; 13176 } else { 13177 b = false; 13178 } 13179 mUserNeedsBadging.put(userId, b); 13180 return b; 13181 } 13182 return mUserNeedsBadging.valueAt(index); 13183 } 13184} 13185