PackageManagerService.java revision 8219a25e31b52c701e45ebae82219c64ea18134b
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 if (!isUpdatedSystemApp(pkg)) { 4826 setBundledAppAbisAndRoots(pkg, ps); 4827 } 4828 } 4829 4830 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4831 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4832 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4833 for (int i=0; i<N; i++) { 4834 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4835 if (file == null) { 4836 Slog.e(TAG, "Package " + pkg.packageName 4837 + " requires unavailable shared library " 4838 + pkg.usesLibraries.get(i) + "; failing!"); 4839 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4840 return false; 4841 } 4842 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4843 } 4844 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4845 for (int i=0; i<N; i++) { 4846 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4847 if (file == null) { 4848 Slog.w(TAG, "Package " + pkg.packageName 4849 + " desires unavailable shared library " 4850 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4851 } else { 4852 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4853 } 4854 } 4855 N = usesLibraryFiles.size(); 4856 if (N > 0) { 4857 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4858 } else { 4859 pkg.usesLibraryFiles = null; 4860 } 4861 } 4862 return true; 4863 } 4864 4865 private static boolean hasString(List<String> list, List<String> which) { 4866 if (list == null) { 4867 return false; 4868 } 4869 for (int i=list.size()-1; i>=0; i--) { 4870 for (int j=which.size()-1; j>=0; j--) { 4871 if (which.get(j).equals(list.get(i))) { 4872 return true; 4873 } 4874 } 4875 } 4876 return false; 4877 } 4878 4879 private void updateAllSharedLibrariesLPw() { 4880 for (PackageParser.Package pkg : mPackages.values()) { 4881 updateSharedLibrariesLPw(pkg, null); 4882 } 4883 } 4884 4885 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4886 PackageParser.Package changingPkg) { 4887 ArrayList<PackageParser.Package> res = null; 4888 for (PackageParser.Package pkg : mPackages.values()) { 4889 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4890 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4891 if (res == null) { 4892 res = new ArrayList<PackageParser.Package>(); 4893 } 4894 res.add(pkg); 4895 updateSharedLibrariesLPw(pkg, changingPkg); 4896 } 4897 } 4898 return res; 4899 } 4900 4901 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4902 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4903 final File scanFile = new File(pkg.codePath); 4904 if (pkg.applicationInfo.getCodePath() == null || 4905 pkg.applicationInfo.getResourcePath() == null) { 4906 // Bail out. The resource and code paths haven't been set. 4907 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4908 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4909 return null; 4910 } 4911 4912 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4913 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4914 } 4915 4916 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4917 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4918 } 4919 4920 if (mCustomResolverComponentName != null && 4921 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4922 setUpCustomResolverActivity(pkg); 4923 } 4924 4925 if (pkg.packageName.equals("android")) { 4926 synchronized (mPackages) { 4927 if (mAndroidApplication != null) { 4928 Slog.w(TAG, "*************************************************"); 4929 Slog.w(TAG, "Core android package being redefined. Skipping."); 4930 Slog.w(TAG, " file=" + scanFile); 4931 Slog.w(TAG, "*************************************************"); 4932 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4933 return null; 4934 } 4935 4936 // Set up information for our fall-back user intent resolution activity. 4937 mPlatformPackage = pkg; 4938 pkg.mVersionCode = mSdkVersion; 4939 mAndroidApplication = pkg.applicationInfo; 4940 4941 if (!mResolverReplaced) { 4942 mResolveActivity.applicationInfo = mAndroidApplication; 4943 mResolveActivity.name = ResolverActivity.class.getName(); 4944 mResolveActivity.packageName = mAndroidApplication.packageName; 4945 mResolveActivity.processName = "system:ui"; 4946 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4947 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4948 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4949 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4950 mResolveActivity.exported = true; 4951 mResolveActivity.enabled = true; 4952 mResolveInfo.activityInfo = mResolveActivity; 4953 mResolveInfo.priority = 0; 4954 mResolveInfo.preferredOrder = 0; 4955 mResolveInfo.match = 0; 4956 mResolveComponentName = new ComponentName( 4957 mAndroidApplication.packageName, mResolveActivity.name); 4958 } 4959 } 4960 } 4961 4962 if (DEBUG_PACKAGE_SCANNING) { 4963 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4964 Log.d(TAG, "Scanning package " + pkg.packageName); 4965 } 4966 4967 if (mPackages.containsKey(pkg.packageName) 4968 || mSharedLibraries.containsKey(pkg.packageName)) { 4969 Slog.w(TAG, "Application package " + pkg.packageName 4970 + " already installed. Skipping duplicate."); 4971 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4972 return null; 4973 } 4974 4975 // Initialize package source and resource directories 4976 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 4977 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 4978 4979 SharedUserSetting suid = null; 4980 PackageSetting pkgSetting = null; 4981 4982 if (!isSystemApp(pkg)) { 4983 // Only system apps can use these features. 4984 pkg.mOriginalPackages = null; 4985 pkg.mRealPackage = null; 4986 pkg.mAdoptPermissions = null; 4987 } 4988 4989 // writer 4990 synchronized (mPackages) { 4991 if (pkg.mSharedUserId != null) { 4992 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4993 if (suid == null) { 4994 Slog.w(TAG, "Creating application package " + pkg.packageName 4995 + " for shared user failed"); 4996 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4997 return null; 4998 } 4999 if (DEBUG_PACKAGE_SCANNING) { 5000 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5001 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5002 + "): packages=" + suid.packages); 5003 } 5004 } 5005 5006 // Check if we are renaming from an original package name. 5007 PackageSetting origPackage = null; 5008 String realName = null; 5009 if (pkg.mOriginalPackages != null) { 5010 // This package may need to be renamed to a previously 5011 // installed name. Let's check on that... 5012 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5013 if (pkg.mOriginalPackages.contains(renamed)) { 5014 // This package had originally been installed as the 5015 // original name, and we have already taken care of 5016 // transitioning to the new one. Just update the new 5017 // one to continue using the old name. 5018 realName = pkg.mRealPackage; 5019 if (!pkg.packageName.equals(renamed)) { 5020 // Callers into this function may have already taken 5021 // care of renaming the package; only do it here if 5022 // it is not already done. 5023 pkg.setPackageName(renamed); 5024 } 5025 5026 } else { 5027 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5028 if ((origPackage = mSettings.peekPackageLPr( 5029 pkg.mOriginalPackages.get(i))) != null) { 5030 // We do have the package already installed under its 5031 // original name... should we use it? 5032 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5033 // New package is not compatible with original. 5034 origPackage = null; 5035 continue; 5036 } else if (origPackage.sharedUser != null) { 5037 // Make sure uid is compatible between packages. 5038 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5039 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5040 + " to " + pkg.packageName + ": old uid " 5041 + origPackage.sharedUser.name 5042 + " differs from " + pkg.mSharedUserId); 5043 origPackage = null; 5044 continue; 5045 } 5046 } else { 5047 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5048 + pkg.packageName + " to old name " + origPackage.name); 5049 } 5050 break; 5051 } 5052 } 5053 } 5054 } 5055 5056 if (mTransferedPackages.contains(pkg.packageName)) { 5057 Slog.w(TAG, "Package " + pkg.packageName 5058 + " was transferred to another, but its .apk remains"); 5059 } 5060 5061 // Just create the setting, don't add it yet. For already existing packages 5062 // the PkgSetting exists already and doesn't have to be created. 5063 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5064 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5065 pkg.applicationInfo.primaryCpuAbi, 5066 pkg.applicationInfo.secondaryCpuAbi, 5067 pkg.applicationInfo.flags, user, false); 5068 if (pkgSetting == null) { 5069 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5070 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5071 return null; 5072 } 5073 5074 if (pkgSetting.origPackage != null) { 5075 // If we are first transitioning from an original package, 5076 // fix up the new package's name now. We need to do this after 5077 // looking up the package under its new name, so getPackageLP 5078 // can take care of fiddling things correctly. 5079 pkg.setPackageName(origPackage.name); 5080 5081 // File a report about this. 5082 String msg = "New package " + pkgSetting.realName 5083 + " renamed to replace old package " + pkgSetting.name; 5084 reportSettingsProblem(Log.WARN, msg); 5085 5086 // Make a note of it. 5087 mTransferedPackages.add(origPackage.name); 5088 5089 // No longer need to retain this. 5090 pkgSetting.origPackage = null; 5091 } 5092 5093 if (realName != null) { 5094 // Make a note of it. 5095 mTransferedPackages.add(pkg.packageName); 5096 } 5097 5098 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5099 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5100 } 5101 5102 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5103 // Check all shared libraries and map to their actual file path. 5104 // We only do this here for apps not on a system dir, because those 5105 // are the only ones that can fail an install due to this. We 5106 // will take care of the system apps by updating all of their 5107 // library paths after the scan is done. 5108 if (!updateSharedLibrariesLPw(pkg, null)) { 5109 return null; 5110 } 5111 } 5112 5113 if (mFoundPolicyFile) { 5114 SELinuxMMAC.assignSeinfoValue(pkg); 5115 } 5116 5117 pkg.applicationInfo.uid = pkgSetting.appId; 5118 pkg.mExtras = pkgSetting; 5119 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5120 if (!verifySignaturesLP(pkgSetting, pkg)) { 5121 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5122 return null; 5123 } 5124 // The signature has changed, but this package is in the system 5125 // image... let's recover! 5126 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5127 // However... if this package is part of a shared user, but it 5128 // doesn't match the signature of the shared user, let's fail. 5129 // What this means is that you can't change the signatures 5130 // associated with an overall shared user, which doesn't seem all 5131 // that unreasonable. 5132 if (pkgSetting.sharedUser != null) { 5133 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5134 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5135 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5136 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5137 return null; 5138 } 5139 } 5140 // File a report about this. 5141 String msg = "System package " + pkg.packageName 5142 + " signature changed; retaining data."; 5143 reportSettingsProblem(Log.WARN, msg); 5144 } 5145 } else { 5146 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5147 Slog.e(TAG, "Package " + pkg.packageName 5148 + " upgrade keys do not match the previously installed version; "); 5149 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5150 return null; 5151 } else { 5152 // signatures may have changed as result of upgrade 5153 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5154 } 5155 } 5156 // Verify that this new package doesn't have any content providers 5157 // that conflict with existing packages. Only do this if the 5158 // package isn't already installed, since we don't want to break 5159 // things that are installed. 5160 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5161 final int N = pkg.providers.size(); 5162 int i; 5163 for (i=0; i<N; i++) { 5164 PackageParser.Provider p = pkg.providers.get(i); 5165 if (p.info.authority != null) { 5166 String names[] = p.info.authority.split(";"); 5167 for (int j = 0; j < names.length; j++) { 5168 if (mProvidersByAuthority.containsKey(names[j])) { 5169 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5170 Slog.w(TAG, "Can't install because provider name " + names[j] + 5171 " (in package " + pkg.applicationInfo.packageName + 5172 ") is already used by " 5173 + ((other != null && other.getComponentName() != null) 5174 ? other.getComponentName().getPackageName() : "?")); 5175 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5176 return null; 5177 } 5178 } 5179 } 5180 } 5181 } 5182 5183 if (pkg.mAdoptPermissions != null) { 5184 // This package wants to adopt ownership of permissions from 5185 // another package. 5186 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5187 final String origName = pkg.mAdoptPermissions.get(i); 5188 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5189 if (orig != null) { 5190 if (verifyPackageUpdateLPr(orig, pkg)) { 5191 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5192 + pkg.packageName); 5193 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5194 } 5195 } 5196 } 5197 } 5198 } 5199 5200 final String pkgName = pkg.packageName; 5201 5202 final long scanFileTime = scanFile.lastModified(); 5203 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5204 pkg.applicationInfo.processName = fixProcessName( 5205 pkg.applicationInfo.packageName, 5206 pkg.applicationInfo.processName, 5207 pkg.applicationInfo.uid); 5208 5209 File dataPath; 5210 if (mPlatformPackage == pkg) { 5211 // The system package is special. 5212 dataPath = new File (Environment.getDataDirectory(), "system"); 5213 pkg.applicationInfo.dataDir = dataPath.getPath(); 5214 } else { 5215 // This is a normal package, need to make its data directory. 5216 dataPath = getDataPathForPackage(pkg.packageName, 0); 5217 5218 boolean uidError = false; 5219 5220 if (dataPath.exists()) { 5221 int currentUid = 0; 5222 try { 5223 StructStat stat = Os.stat(dataPath.getPath()); 5224 currentUid = stat.st_uid; 5225 } catch (ErrnoException e) { 5226 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5227 } 5228 5229 // If we have mismatched owners for the data path, we have a problem. 5230 if (currentUid != pkg.applicationInfo.uid) { 5231 boolean recovered = false; 5232 if (currentUid == 0) { 5233 // The directory somehow became owned by root. Wow. 5234 // This is probably because the system was stopped while 5235 // installd was in the middle of messing with its libs 5236 // directory. Ask installd to fix that. 5237 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5238 pkg.applicationInfo.uid); 5239 if (ret >= 0) { 5240 recovered = true; 5241 String msg = "Package " + pkg.packageName 5242 + " unexpectedly changed to uid 0; recovered to " + 5243 + pkg.applicationInfo.uid; 5244 reportSettingsProblem(Log.WARN, msg); 5245 } 5246 } 5247 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5248 || (scanMode&SCAN_BOOTING) != 0)) { 5249 // If this is a system app, we can at least delete its 5250 // current data so the application will still work. 5251 int ret = removeDataDirsLI(pkgName); 5252 if (ret >= 0) { 5253 // TODO: Kill the processes first 5254 // Old data gone! 5255 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5256 ? "System package " : "Third party package "; 5257 String msg = prefix + pkg.packageName 5258 + " has changed from uid: " 5259 + currentUid + " to " 5260 + pkg.applicationInfo.uid + "; old data erased"; 5261 reportSettingsProblem(Log.WARN, msg); 5262 recovered = true; 5263 5264 // And now re-install the app. 5265 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5266 pkg.applicationInfo.seinfo); 5267 if (ret == -1) { 5268 // Ack should not happen! 5269 msg = prefix + pkg.packageName 5270 + " could not have data directory re-created after delete."; 5271 reportSettingsProblem(Log.WARN, msg); 5272 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5273 return null; 5274 } 5275 } 5276 if (!recovered) { 5277 mHasSystemUidErrors = true; 5278 } 5279 } else if (!recovered) { 5280 // If we allow this install to proceed, we will be broken. 5281 // Abort, abort! 5282 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5283 return null; 5284 } 5285 if (!recovered) { 5286 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5287 + pkg.applicationInfo.uid + "/fs_" 5288 + currentUid; 5289 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5290 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5291 String msg = "Package " + pkg.packageName 5292 + " has mismatched uid: " 5293 + currentUid + " on disk, " 5294 + pkg.applicationInfo.uid + " in settings"; 5295 // writer 5296 synchronized (mPackages) { 5297 mSettings.mReadMessages.append(msg); 5298 mSettings.mReadMessages.append('\n'); 5299 uidError = true; 5300 if (!pkgSetting.uidError) { 5301 reportSettingsProblem(Log.ERROR, msg); 5302 } 5303 } 5304 } 5305 } 5306 pkg.applicationInfo.dataDir = dataPath.getPath(); 5307 if (mShouldRestoreconData) { 5308 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5309 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5310 pkg.applicationInfo.uid); 5311 } 5312 } else { 5313 if (DEBUG_PACKAGE_SCANNING) { 5314 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5315 Log.v(TAG, "Want this data dir: " + dataPath); 5316 } 5317 //invoke installer to do the actual installation 5318 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5319 pkg.applicationInfo.seinfo); 5320 if (ret < 0) { 5321 // Error from installer 5322 Slog.w(TAG, "Unable to create data dirs [errorCode=" + ret + "]"); 5323 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5324 return null; 5325 } 5326 5327 if (dataPath.exists()) { 5328 pkg.applicationInfo.dataDir = dataPath.getPath(); 5329 } else { 5330 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5331 pkg.applicationInfo.dataDir = null; 5332 } 5333 } 5334 5335 pkgSetting.uidError = uidError; 5336 } 5337 5338 final String path = scanFile.getPath(); 5339 final String codePath = pkg.applicationInfo.getCodePath(); 5340 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5341 // For the case where we had previously uninstalled an update, get rid 5342 // of any native binaries we might have unpackaged. Note that this assumes 5343 // that system app updates were not installed via ASEC. 5344 // 5345 // TODO(multiArch): Is this cleanup really necessary ? 5346 NativeLibraryHelper.removeNativeBinariesFromDirLI( 5347 new File(codePath, LIB_DIR_NAME), false /* delete dirs */); 5348 setBundledAppAbisAndRoots(pkg, pkgSetting); 5349 setNativeLibraryPaths(pkg); 5350 } else { 5351 // TODO: We can probably be smarter about this stuff. For installed apps, 5352 // we can calculate this information at install time once and for all. For 5353 // system apps, we can probably assume that this information doesn't change 5354 // after the first boot scan. As things stand, we do lots of unnecessary work. 5355 5356 // Give ourselves some initial paths; we'll come back for another 5357 // pass once we've determined ABI below. 5358 setNativeLibraryPaths(pkg); 5359 5360 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5361 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5362 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 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 // Now that we've calculated the ABIs and determined if it's an internal app, 5469 // we will go ahead and populate the nativeLibraryPath. 5470 setNativeLibraryPaths(pkg); 5471 5472 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5473 final int[] userIds = sUserManager.getUserIds(); 5474 synchronized (mInstallLock) { 5475 // Create a native library symlink only if we have native libraries 5476 // and if the native libraries are 32 bit libraries. We do not provide 5477 // this symlink for 64 bit libraries. 5478 if (pkg.applicationInfo.primaryCpuAbi != null && 5479 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5480 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5481 for (int userId : userIds) { 5482 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5483 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5484 + ")"); 5485 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5486 return null; 5487 } 5488 } 5489 } 5490 } 5491 5492 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5493 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5494 } 5495 5496 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5497 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5498 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5499 5500 // Push the derived path down into PackageSettings so we know what to 5501 // clean up at uninstall time. 5502 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5503 5504 if (DEBUG_ABI_SELECTION) { 5505 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5506 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5507 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5508 } 5509 5510 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5511 // We don't do this here during boot because we can do it all 5512 // at once after scanning all existing packages. 5513 // 5514 // We also do this *before* we perform dexopt on this package, so that 5515 // we can avoid redundant dexopts, and also to make sure we've got the 5516 // code and package path correct. 5517 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5518 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5519 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5520 return null; 5521 } 5522 } 5523 5524 if ((scanMode&SCAN_NO_DEX) == 0) { 5525 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5526 == DEX_OPT_FAILED) { 5527 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5528 removeDataDirsLI(pkg.packageName); 5529 } 5530 5531 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5532 return null; 5533 } 5534 } 5535 5536 if (mFactoryTest && pkg.requestedPermissions.contains( 5537 android.Manifest.permission.FACTORY_TEST)) { 5538 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5539 } 5540 5541 ArrayList<PackageParser.Package> clientLibPkgs = null; 5542 5543 // writer 5544 synchronized (mPackages) { 5545 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5546 // Only system apps can add new shared libraries. 5547 if (pkg.libraryNames != null) { 5548 for (int i=0; i<pkg.libraryNames.size(); i++) { 5549 String name = pkg.libraryNames.get(i); 5550 boolean allowed = false; 5551 if (isUpdatedSystemApp(pkg)) { 5552 // New library entries can only be added through the 5553 // system image. This is important to get rid of a lot 5554 // of nasty edge cases: for example if we allowed a non- 5555 // system update of the app to add a library, then uninstalling 5556 // the update would make the library go away, and assumptions 5557 // we made such as through app install filtering would now 5558 // have allowed apps on the device which aren't compatible 5559 // with it. Better to just have the restriction here, be 5560 // conservative, and create many fewer cases that can negatively 5561 // impact the user experience. 5562 final PackageSetting sysPs = mSettings 5563 .getDisabledSystemPkgLPr(pkg.packageName); 5564 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5565 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5566 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5567 allowed = true; 5568 allowed = true; 5569 break; 5570 } 5571 } 5572 } 5573 } else { 5574 allowed = true; 5575 } 5576 if (allowed) { 5577 if (!mSharedLibraries.containsKey(name)) { 5578 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5579 } else if (!name.equals(pkg.packageName)) { 5580 Slog.w(TAG, "Package " + pkg.packageName + " library " 5581 + name + " already exists; skipping"); 5582 } 5583 } else { 5584 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5585 + name + " that is not declared on system image; skipping"); 5586 } 5587 } 5588 if ((scanMode&SCAN_BOOTING) == 0) { 5589 // If we are not booting, we need to update any applications 5590 // that are clients of our shared library. If we are booting, 5591 // this will all be done once the scan is complete. 5592 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5593 } 5594 } 5595 } 5596 } 5597 5598 // We also need to dexopt any apps that are dependent on this library. Note that 5599 // if these fail, we should abort the install since installing the library will 5600 // result in some apps being broken. 5601 if (clientLibPkgs != null) { 5602 if ((scanMode&SCAN_NO_DEX) == 0) { 5603 for (int i=0; i<clientLibPkgs.size(); i++) { 5604 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5605 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5606 == DEX_OPT_FAILED) { 5607 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5608 removeDataDirsLI(pkg.packageName); 5609 } 5610 5611 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5612 return null; 5613 } 5614 } 5615 } 5616 } 5617 5618 // Request the ActivityManager to kill the process(only for existing packages) 5619 // so that we do not end up in a confused state while the user is still using the older 5620 // version of the application while the new one gets installed. 5621 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5622 // If the package lives in an asec, tell everyone that the container is going 5623 // away so they can clean up any references to its resources (which would prevent 5624 // vold from being able to unmount the asec) 5625 if (isForwardLocked(pkg) || isExternal(pkg)) { 5626 if (DEBUG_INSTALL) { 5627 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5628 } 5629 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5630 final ArrayList<String> pkgList = new ArrayList<String>(1); 5631 pkgList.add(pkg.applicationInfo.packageName); 5632 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5633 } 5634 5635 // Post the request that it be killed now that the going-away broadcast is en route 5636 killApplication(pkg.applicationInfo.packageName, 5637 pkg.applicationInfo.uid, "update pkg"); 5638 } 5639 5640 // Also need to kill any apps that are dependent on the library. 5641 if (clientLibPkgs != null) { 5642 for (int i=0; i<clientLibPkgs.size(); i++) { 5643 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5644 killApplication(clientPkg.applicationInfo.packageName, 5645 clientPkg.applicationInfo.uid, "update lib"); 5646 } 5647 } 5648 5649 // writer 5650 synchronized (mPackages) { 5651 // We don't expect installation to fail beyond this point, 5652 if ((scanMode&SCAN_MONITOR) != 0) { 5653 mAppDirs.put(pkg.codePath, pkg); 5654 } 5655 // Add the new setting to mSettings 5656 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5657 // Add the new setting to mPackages 5658 mPackages.put(pkg.applicationInfo.packageName, pkg); 5659 // Make sure we don't accidentally delete its data. 5660 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5661 while (iter.hasNext()) { 5662 PackageCleanItem item = iter.next(); 5663 if (pkgName.equals(item.packageName)) { 5664 iter.remove(); 5665 } 5666 } 5667 5668 // Take care of first install / last update times. 5669 if (currentTime != 0) { 5670 if (pkgSetting.firstInstallTime == 0) { 5671 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5672 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5673 pkgSetting.lastUpdateTime = currentTime; 5674 } 5675 } else if (pkgSetting.firstInstallTime == 0) { 5676 // We need *something*. Take time time stamp of the file. 5677 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5678 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5679 if (scanFileTime != pkgSetting.timeStamp) { 5680 // A package on the system image has changed; consider this 5681 // to be an update. 5682 pkgSetting.lastUpdateTime = scanFileTime; 5683 } 5684 } 5685 5686 // Add the package's KeySets to the global KeySetManagerService 5687 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5688 try { 5689 // Old KeySetData no longer valid. 5690 ksms.removeAppKeySetData(pkg.packageName); 5691 ksms.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5692 if (pkg.mKeySetMapping != null) { 5693 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5694 pkg.mKeySetMapping.entrySet()) { 5695 if (entry.getValue() != null) { 5696 ksms.addDefinedKeySetToPackage(pkg.packageName, 5697 entry.getValue(), entry.getKey()); 5698 } 5699 } 5700 if (pkg.mUpgradeKeySets != null) { 5701 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5702 ksms.addUpgradeKeySetToPackage(pkg.packageName, upgradeAlias); 5703 } 5704 } 5705 } 5706 } catch (NullPointerException e) { 5707 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5708 } catch (IllegalArgumentException e) { 5709 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5710 } 5711 5712 int N = pkg.providers.size(); 5713 StringBuilder r = null; 5714 int i; 5715 for (i=0; i<N; i++) { 5716 PackageParser.Provider p = pkg.providers.get(i); 5717 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5718 p.info.processName, pkg.applicationInfo.uid); 5719 mProviders.addProvider(p); 5720 p.syncable = p.info.isSyncable; 5721 if (p.info.authority != null) { 5722 String names[] = p.info.authority.split(";"); 5723 p.info.authority = null; 5724 for (int j = 0; j < names.length; j++) { 5725 if (j == 1 && p.syncable) { 5726 // We only want the first authority for a provider to possibly be 5727 // syncable, so if we already added this provider using a different 5728 // authority clear the syncable flag. We copy the provider before 5729 // changing it because the mProviders object contains a reference 5730 // to a provider that we don't want to change. 5731 // Only do this for the second authority since the resulting provider 5732 // object can be the same for all future authorities for this provider. 5733 p = new PackageParser.Provider(p); 5734 p.syncable = false; 5735 } 5736 if (!mProvidersByAuthority.containsKey(names[j])) { 5737 mProvidersByAuthority.put(names[j], p); 5738 if (p.info.authority == null) { 5739 p.info.authority = names[j]; 5740 } else { 5741 p.info.authority = p.info.authority + ";" + names[j]; 5742 } 5743 if (DEBUG_PACKAGE_SCANNING) { 5744 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5745 Log.d(TAG, "Registered content provider: " + names[j] 5746 + ", className = " + p.info.name + ", isSyncable = " 5747 + p.info.isSyncable); 5748 } 5749 } else { 5750 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5751 Slog.w(TAG, "Skipping provider name " + names[j] + 5752 " (in package " + pkg.applicationInfo.packageName + 5753 "): name already used by " 5754 + ((other != null && other.getComponentName() != null) 5755 ? other.getComponentName().getPackageName() : "?")); 5756 } 5757 } 5758 } 5759 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5760 if (r == null) { 5761 r = new StringBuilder(256); 5762 } else { 5763 r.append(' '); 5764 } 5765 r.append(p.info.name); 5766 } 5767 } 5768 if (r != null) { 5769 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5770 } 5771 5772 N = pkg.services.size(); 5773 r = null; 5774 for (i=0; i<N; i++) { 5775 PackageParser.Service s = pkg.services.get(i); 5776 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5777 s.info.processName, pkg.applicationInfo.uid); 5778 mServices.addService(s); 5779 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5780 if (r == null) { 5781 r = new StringBuilder(256); 5782 } else { 5783 r.append(' '); 5784 } 5785 r.append(s.info.name); 5786 } 5787 } 5788 if (r != null) { 5789 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5790 } 5791 5792 N = pkg.receivers.size(); 5793 r = null; 5794 for (i=0; i<N; i++) { 5795 PackageParser.Activity a = pkg.receivers.get(i); 5796 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5797 a.info.processName, pkg.applicationInfo.uid); 5798 mReceivers.addActivity(a, "receiver"); 5799 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5800 if (r == null) { 5801 r = new StringBuilder(256); 5802 } else { 5803 r.append(' '); 5804 } 5805 r.append(a.info.name); 5806 } 5807 } 5808 if (r != null) { 5809 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5810 } 5811 5812 N = pkg.activities.size(); 5813 r = null; 5814 for (i=0; i<N; i++) { 5815 PackageParser.Activity a = pkg.activities.get(i); 5816 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5817 a.info.processName, pkg.applicationInfo.uid); 5818 mActivities.addActivity(a, "activity"); 5819 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5820 if (r == null) { 5821 r = new StringBuilder(256); 5822 } else { 5823 r.append(' '); 5824 } 5825 r.append(a.info.name); 5826 } 5827 } 5828 if (r != null) { 5829 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5830 } 5831 5832 N = pkg.permissionGroups.size(); 5833 r = null; 5834 for (i=0; i<N; i++) { 5835 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5836 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5837 if (cur == null) { 5838 mPermissionGroups.put(pg.info.name, pg); 5839 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5840 if (r == null) { 5841 r = new StringBuilder(256); 5842 } else { 5843 r.append(' '); 5844 } 5845 r.append(pg.info.name); 5846 } 5847 } else { 5848 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5849 + pg.info.packageName + " ignored: original from " 5850 + cur.info.packageName); 5851 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5852 if (r == null) { 5853 r = new StringBuilder(256); 5854 } else { 5855 r.append(' '); 5856 } 5857 r.append("DUP:"); 5858 r.append(pg.info.name); 5859 } 5860 } 5861 } 5862 if (r != null) { 5863 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5864 } 5865 5866 N = pkg.permissions.size(); 5867 r = null; 5868 for (i=0; i<N; i++) { 5869 PackageParser.Permission p = pkg.permissions.get(i); 5870 HashMap<String, BasePermission> permissionMap = 5871 p.tree ? mSettings.mPermissionTrees 5872 : mSettings.mPermissions; 5873 p.group = mPermissionGroups.get(p.info.group); 5874 if (p.info.group == null || p.group != null) { 5875 BasePermission bp = permissionMap.get(p.info.name); 5876 if (bp == null) { 5877 bp = new BasePermission(p.info.name, p.info.packageName, 5878 BasePermission.TYPE_NORMAL); 5879 permissionMap.put(p.info.name, bp); 5880 } 5881 if (bp.perm == null) { 5882 if (bp.sourcePackage != null 5883 && !bp.sourcePackage.equals(p.info.packageName)) { 5884 // If this is a permission that was formerly defined by a non-system 5885 // app, but is now defined by a system app (following an upgrade), 5886 // discard the previous declaration and consider the system's to be 5887 // canonical. 5888 if (isSystemApp(p.owner)) { 5889 String msg = "New decl " + p.owner + " of permission " 5890 + p.info.name + " is system"; 5891 reportSettingsProblem(Log.WARN, msg); 5892 bp.sourcePackage = null; 5893 } 5894 } 5895 if (bp.sourcePackage == null 5896 || bp.sourcePackage.equals(p.info.packageName)) { 5897 BasePermission tree = findPermissionTreeLP(p.info.name); 5898 if (tree == null 5899 || tree.sourcePackage.equals(p.info.packageName)) { 5900 bp.packageSetting = pkgSetting; 5901 bp.perm = p; 5902 bp.uid = pkg.applicationInfo.uid; 5903 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5904 if (r == null) { 5905 r = new StringBuilder(256); 5906 } else { 5907 r.append(' '); 5908 } 5909 r.append(p.info.name); 5910 } 5911 } else { 5912 Slog.w(TAG, "Permission " + p.info.name + " from package " 5913 + p.info.packageName + " ignored: base tree " 5914 + tree.name + " is from package " 5915 + tree.sourcePackage); 5916 } 5917 } else { 5918 Slog.w(TAG, "Permission " + p.info.name + " from package " 5919 + p.info.packageName + " ignored: original from " 5920 + bp.sourcePackage); 5921 } 5922 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5923 if (r == null) { 5924 r = new StringBuilder(256); 5925 } else { 5926 r.append(' '); 5927 } 5928 r.append("DUP:"); 5929 r.append(p.info.name); 5930 } 5931 if (bp.perm == p) { 5932 bp.protectionLevel = p.info.protectionLevel; 5933 } 5934 } else { 5935 Slog.w(TAG, "Permission " + p.info.name + " from package " 5936 + p.info.packageName + " ignored: no group " 5937 + p.group); 5938 } 5939 } 5940 if (r != null) { 5941 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5942 } 5943 5944 N = pkg.instrumentation.size(); 5945 r = null; 5946 for (i=0; i<N; i++) { 5947 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5948 a.info.packageName = pkg.applicationInfo.packageName; 5949 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5950 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5951 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5952 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5953 a.info.dataDir = pkg.applicationInfo.dataDir; 5954 5955 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 5956 // need other information about the application, like the ABI and what not ? 5957 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5958 mInstrumentation.put(a.getComponentName(), a); 5959 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5960 if (r == null) { 5961 r = new StringBuilder(256); 5962 } else { 5963 r.append(' '); 5964 } 5965 r.append(a.info.name); 5966 } 5967 } 5968 if (r != null) { 5969 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5970 } 5971 5972 if (pkg.protectedBroadcasts != null) { 5973 N = pkg.protectedBroadcasts.size(); 5974 for (i=0; i<N; i++) { 5975 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5976 } 5977 } 5978 5979 pkgSetting.setTimeStamp(scanFileTime); 5980 5981 // Create idmap files for pairs of (packages, overlay packages). 5982 // Note: "android", ie framework-res.apk, is handled by native layers. 5983 if (pkg.mOverlayTarget != null) { 5984 // This is an overlay package. 5985 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5986 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5987 mOverlays.put(pkg.mOverlayTarget, 5988 new HashMap<String, PackageParser.Package>()); 5989 } 5990 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5991 map.put(pkg.packageName, pkg); 5992 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5993 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5994 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5995 return null; 5996 } 5997 } 5998 } else if (mOverlays.containsKey(pkg.packageName) && 5999 !pkg.packageName.equals("android")) { 6000 // This is a regular package, with one or more known overlay packages. 6001 createIdmapsForPackageLI(pkg); 6002 } 6003 } 6004 6005 return pkg; 6006 } 6007 6008 /** 6009 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6010 * i.e, so that all packages can be run inside a single process if required. 6011 * 6012 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6013 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6014 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6015 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6016 * updating a package that belongs to a shared user. 6017 * 6018 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6019 * adds unnecessary complexity. 6020 */ 6021 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6022 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6023 String requiredInstructionSet = null; 6024 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6025 requiredInstructionSet = VMRuntime.getInstructionSet( 6026 scannedPackage.applicationInfo.primaryCpuAbi); 6027 } 6028 6029 PackageSetting requirer = null; 6030 for (PackageSetting ps : packagesForUser) { 6031 // If packagesForUser contains scannedPackage, we skip it. This will happen 6032 // when scannedPackage is an update of an existing package. Without this check, 6033 // we will never be able to change the ABI of any package belonging to a shared 6034 // user, even if it's compatible with other packages. 6035 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6036 if (ps.primaryCpuAbiString == null) { 6037 continue; 6038 } 6039 6040 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6041 if (requiredInstructionSet != null) { 6042 if (!instructionSet.equals(requiredInstructionSet)) { 6043 // We have a mismatch between instruction sets (say arm vs arm64). 6044 // bail out. 6045 String errorMessage = "Instruction set mismatch, " 6046 + ((requirer == null) ? "[caller]" : requirer) 6047 + " requires " + requiredInstructionSet + " whereas " + ps 6048 + " requires " + instructionSet; 6049 Slog.e(TAG, errorMessage); 6050 6051 reportSettingsProblem(Log.WARN, errorMessage); 6052 // Give up, don't bother making any other changes to the package settings. 6053 return false; 6054 } 6055 } else { 6056 requiredInstructionSet = instructionSet; 6057 requirer = ps; 6058 } 6059 } 6060 } 6061 6062 if (requiredInstructionSet != null) { 6063 String adjustedAbi; 6064 if (requirer != null) { 6065 // requirer != null implies that either scannedPackage was null or that scannedPackage 6066 // did not require an ABI, in which case we have to adjust scannedPackage to match 6067 // the ABI of the set (which is the same as requirer's ABI) 6068 adjustedAbi = requirer.primaryCpuAbiString; 6069 if (scannedPackage != null) { 6070 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6071 } 6072 } else { 6073 // requirer == null implies that we're updating all ABIs in the set to 6074 // match scannedPackage. 6075 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6076 } 6077 6078 for (PackageSetting ps : packagesForUser) { 6079 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6080 if (ps.primaryCpuAbiString != null) { 6081 continue; 6082 } 6083 6084 ps.primaryCpuAbiString = adjustedAbi; 6085 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6086 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6087 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6088 6089 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6090 ps.primaryCpuAbiString = null; 6091 ps.pkg.applicationInfo.primaryCpuAbi = null; 6092 return false; 6093 } else { 6094 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6095 } 6096 } 6097 } 6098 } 6099 } 6100 6101 return true; 6102 } 6103 6104 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6105 synchronized (mPackages) { 6106 mResolverReplaced = true; 6107 // Set up information for custom user intent resolution activity. 6108 mResolveActivity.applicationInfo = pkg.applicationInfo; 6109 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6110 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6111 mResolveActivity.processName = null; 6112 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6113 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6114 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6115 mResolveActivity.theme = 0; 6116 mResolveActivity.exported = true; 6117 mResolveActivity.enabled = true; 6118 mResolveInfo.activityInfo = mResolveActivity; 6119 mResolveInfo.priority = 0; 6120 mResolveInfo.preferredOrder = 0; 6121 mResolveInfo.match = 0; 6122 mResolveComponentName = mCustomResolverComponentName; 6123 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6124 mResolveComponentName); 6125 } 6126 } 6127 6128 private static String calculateApkRoot(final String codePathString) { 6129 final File codePath = new File(codePathString); 6130 final File codeRoot; 6131 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6132 codeRoot = Environment.getRootDirectory(); 6133 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6134 codeRoot = Environment.getOemDirectory(); 6135 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6136 codeRoot = Environment.getVendorDirectory(); 6137 } else { 6138 // Unrecognized code path; take its top real segment as the apk root: 6139 // e.g. /something/app/blah.apk => /something 6140 try { 6141 File f = codePath.getCanonicalFile(); 6142 File parent = f.getParentFile(); // non-null because codePath is a file 6143 File tmp; 6144 while ((tmp = parent.getParentFile()) != null) { 6145 f = parent; 6146 parent = tmp; 6147 } 6148 codeRoot = f; 6149 Slog.w(TAG, "Unrecognized code path " 6150 + codePath + " - using " + codeRoot); 6151 } catch (IOException e) { 6152 // Can't canonicalize the code path -- shenanigans? 6153 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6154 return Environment.getRootDirectory().getPath(); 6155 } 6156 } 6157 return codeRoot.getPath(); 6158 } 6159 6160 /** 6161 * Derive and set the location of native libraries for the given package, 6162 * which varies depending on where and how the package was installed. 6163 */ 6164 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6165 final ApplicationInfo info = pkg.applicationInfo; 6166 final String codePath = pkg.codePath; 6167 final File codeFile = new File(codePath); 6168 6169 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6170 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6171 6172 info.nativeLibraryRootDir = null; 6173 info.nativeLibraryRootRequiresIsa = false; 6174 info.nativeLibraryDir = null; 6175 6176 if (bundledApp) { 6177 // Monolithic bundled install 6178 // TODO: support cluster bundled installs? 6179 6180 final boolean is64Bit = (info.primaryCpuAbi != null) 6181 && VMRuntime.is64BitAbi(info.primaryCpuAbi); 6182 6183 // This is a bundled system app so choose the path based on the ABI. 6184 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6185 // is just the default path. 6186 final String apkName = deriveCodePathName(codePath); 6187 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6188 info.nativeLibraryRootDir = Environment.buildPath(new File(info.apkRoot), libDir, 6189 apkName).getAbsolutePath(); 6190 info.nativeLibraryRootRequiresIsa = false; 6191 6192 } else if (isApkFile(codeFile)) { 6193 // Monolithic install 6194 if (asecApp) { 6195 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6196 .getAbsolutePath(); 6197 info.nativeLibraryRootRequiresIsa = false; 6198 } else { 6199 final String apkName = deriveCodePathName(codePath); 6200 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6201 .getAbsolutePath(); 6202 info.nativeLibraryRootRequiresIsa = false; 6203 } 6204 } else { 6205 // Cluster install 6206 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6207 info.nativeLibraryRootRequiresIsa = true; 6208 } 6209 6210 if (info.nativeLibraryRootRequiresIsa) { 6211 if (info.primaryCpuAbi != null) { 6212 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6213 VMRuntime.getInstructionSet(info.primaryCpuAbi)).getAbsolutePath(); 6214 } else { 6215 Slog.w(TAG, "Package " + info.packageName 6216 + " missing ABI; unable to derive nativeLibraryDir"); 6217 } 6218 } else { 6219 info.nativeLibraryDir = info.nativeLibraryRootDir; 6220 } 6221 } 6222 6223 /** 6224 * Calculate the abis and roots for a bundled app. These can uniquely 6225 * be determined from the contents of the system partition, i.e whether 6226 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6227 * of this information, and instead assume that the system was built 6228 * sensibly. 6229 */ 6230 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6231 PackageSetting pkgSetting) { 6232 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6233 6234 // If "/system/lib64/apkname" exists, assume that is the per-package 6235 // native library directory to use; otherwise use "/system/lib/apkname". 6236 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6237 pkg.applicationInfo.apkRoot = apkRoot; 6238 setBundledAppAbi(pkg, apkRoot, apkName); 6239 // pkgSetting might be null during rescan following uninstall of updates 6240 // to a bundled app, so accommodate that possibility. The settings in 6241 // that case will be established later from the parsed package. 6242 // 6243 // If the settings aren't null, sync them up with what we've just derived. 6244 // note that apkRoot isn't stored in the package settings. 6245 if (pkgSetting != null) { 6246 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6247 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6248 } 6249 } 6250 6251 /** 6252 * Deduces the ABI of a bundled app and sets the relevant fields on the 6253 * parsed pkg object. 6254 * 6255 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6256 * under which system libraries are installed. 6257 * @param apkName the name of the installed package. 6258 */ 6259 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6260 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6261 // or similar. 6262 final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6263 final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6264 6265 if (has64BitLibs && !has32BitLibs) { 6266 // The package has 64 bit libs, but not 32 bit libs. Its primary 6267 // ABI should be 64 bit. We can safely assume here that the bundled 6268 // native libraries correspond to the most preferred ABI in the list. 6269 6270 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6271 pkg.applicationInfo.secondaryCpuAbi = null; 6272 } else if (has32BitLibs && !has64BitLibs) { 6273 // The package has 32 bit libs but not 64 bit libs. Its primary 6274 // ABI should be 32 bit. 6275 6276 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6277 pkg.applicationInfo.secondaryCpuAbi = null; 6278 } else if (has32BitLibs && has64BitLibs) { 6279 // The application has both 64 and 32 bit bundled libraries. We check 6280 // here that the app declares multiArch support, and warn if it doesn't. 6281 // 6282 // We will be lenient here and record both ABIs. The primary will be the 6283 // ABI that's higher on the list, i.e, a device that's configured to prefer 6284 // 64 bit apps will see a 64 bit primary ABI, 6285 6286 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6287 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6288 } 6289 6290 if (VMRuntime.is64BitAbi(getPreferredInstructionSet())) { 6291 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6292 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6293 } else { 6294 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6295 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6296 } 6297 } else { 6298 pkg.applicationInfo.primaryCpuAbi = null; 6299 pkg.applicationInfo.secondaryCpuAbi = null; 6300 } 6301 } 6302 6303 private static void createNativeLibrarySubdir(File path) throws IOException { 6304 if (!path.isDirectory()) { 6305 path.delete(); 6306 6307 if (!path.mkdir()) { 6308 throw new IOException("Cannot create " + path.getPath()); 6309 } 6310 6311 try { 6312 Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6313 } catch (ErrnoException e) { 6314 throw new IOException("Cannot chmod native library directory " 6315 + path.getPath(), e); 6316 } 6317 } else if (!SELinux.restorecon(path)) { 6318 throw new IOException("Cannot set SELinux context for " + path.getPath()); 6319 } 6320 } 6321 6322 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6323 final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException { 6324 createNativeLibrarySubdir(nativeLibraryRoot); 6325 6326 /* 6327 * If this is an internal application or our nativeLibraryPath points to 6328 * the app-lib directory, unpack the libraries if necessary. 6329 */ 6330 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6331 if (abi >= 0) { 6332 /* 6333 * If we have a matching instruction set, construct a subdir under the native 6334 * library root that corresponds to this instruction set. 6335 */ 6336 final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]); 6337 final File subDir; 6338 if (useIsaSubdir) { 6339 final File isaSubdir = new File(nativeLibraryRoot, instructionSet); 6340 createNativeLibrarySubdir(isaSubdir); 6341 subDir = isaSubdir; 6342 } else { 6343 subDir = nativeLibraryRoot; 6344 } 6345 6346 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]); 6347 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6348 return copyRet; 6349 } 6350 } 6351 6352 return abi; 6353 } 6354 6355 private void killApplication(String pkgName, int appId, String reason) { 6356 // Request the ActivityManager to kill the process(only for existing packages) 6357 // so that we do not end up in a confused state while the user is still using the older 6358 // version of the application while the new one gets installed. 6359 IActivityManager am = ActivityManagerNative.getDefault(); 6360 if (am != null) { 6361 try { 6362 am.killApplicationWithAppId(pkgName, appId, reason); 6363 } catch (RemoteException e) { 6364 } 6365 } 6366 } 6367 6368 void removePackageLI(PackageSetting ps, boolean chatty) { 6369 if (DEBUG_INSTALL) { 6370 if (chatty) 6371 Log.d(TAG, "Removing package " + ps.name); 6372 } 6373 6374 // writer 6375 synchronized (mPackages) { 6376 mPackages.remove(ps.name); 6377 if (ps.codePathString != null) { 6378 mAppDirs.remove(ps.codePathString); 6379 } 6380 6381 final PackageParser.Package pkg = ps.pkg; 6382 if (pkg != null) { 6383 cleanPackageDataStructuresLILPw(pkg, chatty); 6384 } 6385 } 6386 } 6387 6388 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6389 if (DEBUG_INSTALL) { 6390 if (chatty) 6391 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6392 } 6393 6394 // writer 6395 synchronized (mPackages) { 6396 mPackages.remove(pkg.applicationInfo.packageName); 6397 if (pkg.codePath != null) { 6398 mAppDirs.remove(pkg.codePath); 6399 } 6400 cleanPackageDataStructuresLILPw(pkg, chatty); 6401 } 6402 } 6403 6404 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6405 int N = pkg.providers.size(); 6406 StringBuilder r = null; 6407 int i; 6408 for (i=0; i<N; i++) { 6409 PackageParser.Provider p = pkg.providers.get(i); 6410 mProviders.removeProvider(p); 6411 if (p.info.authority == null) { 6412 6413 /* There was another ContentProvider with this authority when 6414 * this app was installed so this authority is null, 6415 * Ignore it as we don't have to unregister the provider. 6416 */ 6417 continue; 6418 } 6419 String names[] = p.info.authority.split(";"); 6420 for (int j = 0; j < names.length; j++) { 6421 if (mProvidersByAuthority.get(names[j]) == p) { 6422 mProvidersByAuthority.remove(names[j]); 6423 if (DEBUG_REMOVE) { 6424 if (chatty) 6425 Log.d(TAG, "Unregistered content provider: " + names[j] 6426 + ", className = " + p.info.name + ", isSyncable = " 6427 + p.info.isSyncable); 6428 } 6429 } 6430 } 6431 if (DEBUG_REMOVE && chatty) { 6432 if (r == null) { 6433 r = new StringBuilder(256); 6434 } else { 6435 r.append(' '); 6436 } 6437 r.append(p.info.name); 6438 } 6439 } 6440 if (r != null) { 6441 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6442 } 6443 6444 N = pkg.services.size(); 6445 r = null; 6446 for (i=0; i<N; i++) { 6447 PackageParser.Service s = pkg.services.get(i); 6448 mServices.removeService(s); 6449 if (chatty) { 6450 if (r == null) { 6451 r = new StringBuilder(256); 6452 } else { 6453 r.append(' '); 6454 } 6455 r.append(s.info.name); 6456 } 6457 } 6458 if (r != null) { 6459 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6460 } 6461 6462 N = pkg.receivers.size(); 6463 r = null; 6464 for (i=0; i<N; i++) { 6465 PackageParser.Activity a = pkg.receivers.get(i); 6466 mReceivers.removeActivity(a, "receiver"); 6467 if (DEBUG_REMOVE && chatty) { 6468 if (r == null) { 6469 r = new StringBuilder(256); 6470 } else { 6471 r.append(' '); 6472 } 6473 r.append(a.info.name); 6474 } 6475 } 6476 if (r != null) { 6477 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6478 } 6479 6480 N = pkg.activities.size(); 6481 r = null; 6482 for (i=0; i<N; i++) { 6483 PackageParser.Activity a = pkg.activities.get(i); 6484 mActivities.removeActivity(a, "activity"); 6485 if (DEBUG_REMOVE && chatty) { 6486 if (r == null) { 6487 r = new StringBuilder(256); 6488 } else { 6489 r.append(' '); 6490 } 6491 r.append(a.info.name); 6492 } 6493 } 6494 if (r != null) { 6495 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6496 } 6497 6498 N = pkg.permissions.size(); 6499 r = null; 6500 for (i=0; i<N; i++) { 6501 PackageParser.Permission p = pkg.permissions.get(i); 6502 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6503 if (bp == null) { 6504 bp = mSettings.mPermissionTrees.get(p.info.name); 6505 } 6506 if (bp != null && bp.perm == p) { 6507 bp.perm = null; 6508 if (DEBUG_REMOVE && chatty) { 6509 if (r == null) { 6510 r = new StringBuilder(256); 6511 } else { 6512 r.append(' '); 6513 } 6514 r.append(p.info.name); 6515 } 6516 } 6517 } 6518 if (r != null) { 6519 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6520 } 6521 6522 N = pkg.instrumentation.size(); 6523 r = null; 6524 for (i=0; i<N; i++) { 6525 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6526 mInstrumentation.remove(a.getComponentName()); 6527 if (DEBUG_REMOVE && chatty) { 6528 if (r == null) { 6529 r = new StringBuilder(256); 6530 } else { 6531 r.append(' '); 6532 } 6533 r.append(a.info.name); 6534 } 6535 } 6536 if (r != null) { 6537 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6538 } 6539 6540 r = null; 6541 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6542 // Only system apps can hold shared libraries. 6543 if (pkg.libraryNames != null) { 6544 for (i=0; i<pkg.libraryNames.size(); i++) { 6545 String name = pkg.libraryNames.get(i); 6546 SharedLibraryEntry cur = mSharedLibraries.get(name); 6547 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6548 mSharedLibraries.remove(name); 6549 if (DEBUG_REMOVE && chatty) { 6550 if (r == null) { 6551 r = new StringBuilder(256); 6552 } else { 6553 r.append(' '); 6554 } 6555 r.append(name); 6556 } 6557 } 6558 } 6559 } 6560 } 6561 if (r != null) { 6562 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6563 } 6564 } 6565 6566 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6567 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6568 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6569 return true; 6570 } 6571 } 6572 return false; 6573 } 6574 6575 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6576 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6577 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6578 6579 private void updatePermissionsLPw(String changingPkg, 6580 PackageParser.Package pkgInfo, int flags) { 6581 // Make sure there are no dangling permission trees. 6582 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6583 while (it.hasNext()) { 6584 final BasePermission bp = it.next(); 6585 if (bp.packageSetting == null) { 6586 // We may not yet have parsed the package, so just see if 6587 // we still know about its settings. 6588 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6589 } 6590 if (bp.packageSetting == null) { 6591 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6592 + " from package " + bp.sourcePackage); 6593 it.remove(); 6594 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6595 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6596 Slog.i(TAG, "Removing old permission tree: " + bp.name 6597 + " from package " + bp.sourcePackage); 6598 flags |= UPDATE_PERMISSIONS_ALL; 6599 it.remove(); 6600 } 6601 } 6602 } 6603 6604 // Make sure all dynamic permissions have been assigned to a package, 6605 // and make sure there are no dangling permissions. 6606 it = mSettings.mPermissions.values().iterator(); 6607 while (it.hasNext()) { 6608 final BasePermission bp = it.next(); 6609 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6610 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6611 + bp.name + " pkg=" + bp.sourcePackage 6612 + " info=" + bp.pendingInfo); 6613 if (bp.packageSetting == null && bp.pendingInfo != null) { 6614 final BasePermission tree = findPermissionTreeLP(bp.name); 6615 if (tree != null && tree.perm != null) { 6616 bp.packageSetting = tree.packageSetting; 6617 bp.perm = new PackageParser.Permission(tree.perm.owner, 6618 new PermissionInfo(bp.pendingInfo)); 6619 bp.perm.info.packageName = tree.perm.info.packageName; 6620 bp.perm.info.name = bp.name; 6621 bp.uid = tree.uid; 6622 } 6623 } 6624 } 6625 if (bp.packageSetting == null) { 6626 // We may not yet have parsed the package, so just see if 6627 // we still know about its settings. 6628 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6629 } 6630 if (bp.packageSetting == null) { 6631 Slog.w(TAG, "Removing dangling permission: " + bp.name 6632 + " from package " + bp.sourcePackage); 6633 it.remove(); 6634 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6635 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6636 Slog.i(TAG, "Removing old permission: " + bp.name 6637 + " from package " + bp.sourcePackage); 6638 flags |= UPDATE_PERMISSIONS_ALL; 6639 it.remove(); 6640 } 6641 } 6642 } 6643 6644 // Now update the permissions for all packages, in particular 6645 // replace the granted permissions of the system packages. 6646 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6647 for (PackageParser.Package pkg : mPackages.values()) { 6648 if (pkg != pkgInfo) { 6649 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6650 } 6651 } 6652 } 6653 6654 if (pkgInfo != null) { 6655 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6656 } 6657 } 6658 6659 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6660 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6661 if (ps == null) { 6662 return; 6663 } 6664 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6665 HashSet<String> origPermissions = gp.grantedPermissions; 6666 boolean changedPermission = false; 6667 6668 if (replace) { 6669 ps.permissionsFixed = false; 6670 if (gp == ps) { 6671 origPermissions = new HashSet<String>(gp.grantedPermissions); 6672 gp.grantedPermissions.clear(); 6673 gp.gids = mGlobalGids; 6674 } 6675 } 6676 6677 if (gp.gids == null) { 6678 gp.gids = mGlobalGids; 6679 } 6680 6681 final int N = pkg.requestedPermissions.size(); 6682 for (int i=0; i<N; i++) { 6683 final String name = pkg.requestedPermissions.get(i); 6684 final boolean required = pkg.requestedPermissionsRequired.get(i); 6685 final BasePermission bp = mSettings.mPermissions.get(name); 6686 if (DEBUG_INSTALL) { 6687 if (gp != ps) { 6688 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6689 } 6690 } 6691 6692 if (bp == null || bp.packageSetting == null) { 6693 Slog.w(TAG, "Unknown permission " + name 6694 + " in package " + pkg.packageName); 6695 continue; 6696 } 6697 6698 final String perm = bp.name; 6699 boolean allowed; 6700 boolean allowedSig = false; 6701 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6702 if (level == PermissionInfo.PROTECTION_NORMAL 6703 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6704 // We grant a normal or dangerous permission if any of the following 6705 // are true: 6706 // 1) The permission is required 6707 // 2) The permission is optional, but was granted in the past 6708 // 3) The permission is optional, but was requested by an 6709 // app in /system (not /data) 6710 // 6711 // Otherwise, reject the permission. 6712 allowed = (required || origPermissions.contains(perm) 6713 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6714 } else if (bp.packageSetting == null) { 6715 // This permission is invalid; skip it. 6716 allowed = false; 6717 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6718 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6719 if (allowed) { 6720 allowedSig = true; 6721 } 6722 } else { 6723 allowed = false; 6724 } 6725 if (DEBUG_INSTALL) { 6726 if (gp != ps) { 6727 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6728 } 6729 } 6730 if (allowed) { 6731 if (!isSystemApp(ps) && ps.permissionsFixed) { 6732 // If this is an existing, non-system package, then 6733 // we can't add any new permissions to it. 6734 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6735 // Except... if this is a permission that was added 6736 // to the platform (note: need to only do this when 6737 // updating the platform). 6738 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6739 } 6740 } 6741 if (allowed) { 6742 if (!gp.grantedPermissions.contains(perm)) { 6743 changedPermission = true; 6744 gp.grantedPermissions.add(perm); 6745 gp.gids = appendInts(gp.gids, bp.gids); 6746 } else if (!ps.haveGids) { 6747 gp.gids = appendInts(gp.gids, bp.gids); 6748 } 6749 } else { 6750 Slog.w(TAG, "Not granting permission " + perm 6751 + " to package " + pkg.packageName 6752 + " because it was previously installed without"); 6753 } 6754 } else { 6755 if (gp.grantedPermissions.remove(perm)) { 6756 changedPermission = true; 6757 gp.gids = removeInts(gp.gids, bp.gids); 6758 Slog.i(TAG, "Un-granting permission " + perm 6759 + " from package " + pkg.packageName 6760 + " (protectionLevel=" + bp.protectionLevel 6761 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6762 + ")"); 6763 } else { 6764 Slog.w(TAG, "Not granting permission " + perm 6765 + " to package " + pkg.packageName 6766 + " (protectionLevel=" + bp.protectionLevel 6767 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6768 + ")"); 6769 } 6770 } 6771 } 6772 6773 if ((changedPermission || replace) && !ps.permissionsFixed && 6774 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6775 // This is the first that we have heard about this package, so the 6776 // permissions we have now selected are fixed until explicitly 6777 // changed. 6778 ps.permissionsFixed = true; 6779 } 6780 ps.haveGids = true; 6781 } 6782 6783 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6784 boolean allowed = false; 6785 final int NP = PackageParser.NEW_PERMISSIONS.length; 6786 for (int ip=0; ip<NP; ip++) { 6787 final PackageParser.NewPermissionInfo npi 6788 = PackageParser.NEW_PERMISSIONS[ip]; 6789 if (npi.name.equals(perm) 6790 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6791 allowed = true; 6792 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6793 + pkg.packageName); 6794 break; 6795 } 6796 } 6797 return allowed; 6798 } 6799 6800 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6801 BasePermission bp, HashSet<String> origPermissions) { 6802 boolean allowed; 6803 allowed = (compareSignatures( 6804 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6805 == PackageManager.SIGNATURE_MATCH) 6806 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6807 == PackageManager.SIGNATURE_MATCH); 6808 if (!allowed && (bp.protectionLevel 6809 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6810 if (isSystemApp(pkg)) { 6811 // For updated system applications, a system permission 6812 // is granted only if it had been defined by the original application. 6813 if (isUpdatedSystemApp(pkg)) { 6814 final PackageSetting sysPs = mSettings 6815 .getDisabledSystemPkgLPr(pkg.packageName); 6816 final GrantedPermissions origGp = sysPs.sharedUser != null 6817 ? sysPs.sharedUser : sysPs; 6818 6819 if (origGp.grantedPermissions.contains(perm)) { 6820 // If the original was granted this permission, we take 6821 // that grant decision as read and propagate it to the 6822 // update. 6823 allowed = true; 6824 } else { 6825 // The system apk may have been updated with an older 6826 // version of the one on the data partition, but which 6827 // granted a new system permission that it didn't have 6828 // before. In this case we do want to allow the app to 6829 // now get the new permission if the ancestral apk is 6830 // privileged to get it. 6831 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6832 for (int j=0; 6833 j<sysPs.pkg.requestedPermissions.size(); j++) { 6834 if (perm.equals( 6835 sysPs.pkg.requestedPermissions.get(j))) { 6836 allowed = true; 6837 break; 6838 } 6839 } 6840 } 6841 } 6842 } else { 6843 allowed = isPrivilegedApp(pkg); 6844 } 6845 } 6846 } 6847 if (!allowed && (bp.protectionLevel 6848 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6849 // For development permissions, a development permission 6850 // is granted only if it was already granted. 6851 allowed = origPermissions.contains(perm); 6852 } 6853 return allowed; 6854 } 6855 6856 final class ActivityIntentResolver 6857 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6858 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6859 boolean defaultOnly, int userId) { 6860 if (!sUserManager.exists(userId)) return null; 6861 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6862 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6863 } 6864 6865 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6866 int userId) { 6867 if (!sUserManager.exists(userId)) return null; 6868 mFlags = flags; 6869 return super.queryIntent(intent, resolvedType, 6870 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6871 } 6872 6873 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6874 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6875 if (!sUserManager.exists(userId)) return null; 6876 if (packageActivities == null) { 6877 return null; 6878 } 6879 mFlags = flags; 6880 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6881 final int N = packageActivities.size(); 6882 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6883 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6884 6885 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6886 for (int i = 0; i < N; ++i) { 6887 intentFilters = packageActivities.get(i).intents; 6888 if (intentFilters != null && intentFilters.size() > 0) { 6889 PackageParser.ActivityIntentInfo[] array = 6890 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6891 intentFilters.toArray(array); 6892 listCut.add(array); 6893 } 6894 } 6895 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6896 } 6897 6898 public final void addActivity(PackageParser.Activity a, String type) { 6899 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6900 mActivities.put(a.getComponentName(), a); 6901 if (DEBUG_SHOW_INFO) 6902 Log.v( 6903 TAG, " " + type + " " + 6904 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6905 if (DEBUG_SHOW_INFO) 6906 Log.v(TAG, " Class=" + a.info.name); 6907 final int NI = a.intents.size(); 6908 for (int j=0; j<NI; j++) { 6909 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6910 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6911 intent.setPriority(0); 6912 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6913 + a.className + " with priority > 0, forcing to 0"); 6914 } 6915 if (DEBUG_SHOW_INFO) { 6916 Log.v(TAG, " IntentFilter:"); 6917 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6918 } 6919 if (!intent.debugCheck()) { 6920 Log.w(TAG, "==> For Activity " + a.info.name); 6921 } 6922 addFilter(intent); 6923 } 6924 } 6925 6926 public final void removeActivity(PackageParser.Activity a, String type) { 6927 mActivities.remove(a.getComponentName()); 6928 if (DEBUG_SHOW_INFO) { 6929 Log.v(TAG, " " + type + " " 6930 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6931 : a.info.name) + ":"); 6932 Log.v(TAG, " Class=" + a.info.name); 6933 } 6934 final int NI = a.intents.size(); 6935 for (int j=0; j<NI; j++) { 6936 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6937 if (DEBUG_SHOW_INFO) { 6938 Log.v(TAG, " IntentFilter:"); 6939 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6940 } 6941 removeFilter(intent); 6942 } 6943 } 6944 6945 @Override 6946 protected boolean allowFilterResult( 6947 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6948 ActivityInfo filterAi = filter.activity.info; 6949 for (int i=dest.size()-1; i>=0; i--) { 6950 ActivityInfo destAi = dest.get(i).activityInfo; 6951 if (destAi.name == filterAi.name 6952 && destAi.packageName == filterAi.packageName) { 6953 return false; 6954 } 6955 } 6956 return true; 6957 } 6958 6959 @Override 6960 protected ActivityIntentInfo[] newArray(int size) { 6961 return new ActivityIntentInfo[size]; 6962 } 6963 6964 @Override 6965 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6966 if (!sUserManager.exists(userId)) return true; 6967 PackageParser.Package p = filter.activity.owner; 6968 if (p != null) { 6969 PackageSetting ps = (PackageSetting)p.mExtras; 6970 if (ps != null) { 6971 // System apps are never considered stopped for purposes of 6972 // filtering, because there may be no way for the user to 6973 // actually re-launch them. 6974 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6975 && ps.getStopped(userId); 6976 } 6977 } 6978 return false; 6979 } 6980 6981 @Override 6982 protected boolean isPackageForFilter(String packageName, 6983 PackageParser.ActivityIntentInfo info) { 6984 return packageName.equals(info.activity.owner.packageName); 6985 } 6986 6987 @Override 6988 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6989 int match, int userId) { 6990 if (!sUserManager.exists(userId)) return null; 6991 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6992 return null; 6993 } 6994 final PackageParser.Activity activity = info.activity; 6995 if (mSafeMode && (activity.info.applicationInfo.flags 6996 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6997 return null; 6998 } 6999 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7000 if (ps == null) { 7001 return null; 7002 } 7003 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7004 ps.readUserState(userId), userId); 7005 if (ai == null) { 7006 return null; 7007 } 7008 final ResolveInfo res = new ResolveInfo(); 7009 res.activityInfo = ai; 7010 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7011 res.filter = info; 7012 } 7013 res.priority = info.getPriority(); 7014 res.preferredOrder = activity.owner.mPreferredOrder; 7015 //System.out.println("Result: " + res.activityInfo.className + 7016 // " = " + res.priority); 7017 res.match = match; 7018 res.isDefault = info.hasDefault; 7019 res.labelRes = info.labelRes; 7020 res.nonLocalizedLabel = info.nonLocalizedLabel; 7021 if (userNeedsBadging(userId)) { 7022 res.noResourceId = true; 7023 } else { 7024 res.icon = info.icon; 7025 } 7026 res.system = isSystemApp(res.activityInfo.applicationInfo); 7027 return res; 7028 } 7029 7030 @Override 7031 protected void sortResults(List<ResolveInfo> results) { 7032 Collections.sort(results, mResolvePrioritySorter); 7033 } 7034 7035 @Override 7036 protected void dumpFilter(PrintWriter out, String prefix, 7037 PackageParser.ActivityIntentInfo filter) { 7038 out.print(prefix); out.print( 7039 Integer.toHexString(System.identityHashCode(filter.activity))); 7040 out.print(' '); 7041 filter.activity.printComponentShortName(out); 7042 out.print(" filter "); 7043 out.println(Integer.toHexString(System.identityHashCode(filter))); 7044 } 7045 7046// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7047// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7048// final List<ResolveInfo> retList = Lists.newArrayList(); 7049// while (i.hasNext()) { 7050// final ResolveInfo resolveInfo = i.next(); 7051// if (isEnabledLP(resolveInfo.activityInfo)) { 7052// retList.add(resolveInfo); 7053// } 7054// } 7055// return retList; 7056// } 7057 7058 // Keys are String (activity class name), values are Activity. 7059 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7060 = new HashMap<ComponentName, PackageParser.Activity>(); 7061 private int mFlags; 7062 } 7063 7064 private final class ServiceIntentResolver 7065 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7066 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7067 boolean defaultOnly, int userId) { 7068 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7069 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7070 } 7071 7072 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7073 int userId) { 7074 if (!sUserManager.exists(userId)) return null; 7075 mFlags = flags; 7076 return super.queryIntent(intent, resolvedType, 7077 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7078 } 7079 7080 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7081 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7082 if (!sUserManager.exists(userId)) return null; 7083 if (packageServices == null) { 7084 return null; 7085 } 7086 mFlags = flags; 7087 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7088 final int N = packageServices.size(); 7089 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7090 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7091 7092 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7093 for (int i = 0; i < N; ++i) { 7094 intentFilters = packageServices.get(i).intents; 7095 if (intentFilters != null && intentFilters.size() > 0) { 7096 PackageParser.ServiceIntentInfo[] array = 7097 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7098 intentFilters.toArray(array); 7099 listCut.add(array); 7100 } 7101 } 7102 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7103 } 7104 7105 public final void addService(PackageParser.Service s) { 7106 mServices.put(s.getComponentName(), s); 7107 if (DEBUG_SHOW_INFO) { 7108 Log.v(TAG, " " 7109 + (s.info.nonLocalizedLabel != null 7110 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7111 Log.v(TAG, " Class=" + s.info.name); 7112 } 7113 final int NI = s.intents.size(); 7114 int j; 7115 for (j=0; j<NI; j++) { 7116 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7117 if (DEBUG_SHOW_INFO) { 7118 Log.v(TAG, " IntentFilter:"); 7119 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7120 } 7121 if (!intent.debugCheck()) { 7122 Log.w(TAG, "==> For Service " + s.info.name); 7123 } 7124 addFilter(intent); 7125 } 7126 } 7127 7128 public final void removeService(PackageParser.Service s) { 7129 mServices.remove(s.getComponentName()); 7130 if (DEBUG_SHOW_INFO) { 7131 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7132 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7133 Log.v(TAG, " Class=" + s.info.name); 7134 } 7135 final int NI = s.intents.size(); 7136 int j; 7137 for (j=0; j<NI; j++) { 7138 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7139 if (DEBUG_SHOW_INFO) { 7140 Log.v(TAG, " IntentFilter:"); 7141 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7142 } 7143 removeFilter(intent); 7144 } 7145 } 7146 7147 @Override 7148 protected boolean allowFilterResult( 7149 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7150 ServiceInfo filterSi = filter.service.info; 7151 for (int i=dest.size()-1; i>=0; i--) { 7152 ServiceInfo destAi = dest.get(i).serviceInfo; 7153 if (destAi.name == filterSi.name 7154 && destAi.packageName == filterSi.packageName) { 7155 return false; 7156 } 7157 } 7158 return true; 7159 } 7160 7161 @Override 7162 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7163 return new PackageParser.ServiceIntentInfo[size]; 7164 } 7165 7166 @Override 7167 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7168 if (!sUserManager.exists(userId)) return true; 7169 PackageParser.Package p = filter.service.owner; 7170 if (p != null) { 7171 PackageSetting ps = (PackageSetting)p.mExtras; 7172 if (ps != null) { 7173 // System apps are never considered stopped for purposes of 7174 // filtering, because there may be no way for the user to 7175 // actually re-launch them. 7176 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7177 && ps.getStopped(userId); 7178 } 7179 } 7180 return false; 7181 } 7182 7183 @Override 7184 protected boolean isPackageForFilter(String packageName, 7185 PackageParser.ServiceIntentInfo info) { 7186 return packageName.equals(info.service.owner.packageName); 7187 } 7188 7189 @Override 7190 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7191 int match, int userId) { 7192 if (!sUserManager.exists(userId)) return null; 7193 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7194 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7195 return null; 7196 } 7197 final PackageParser.Service service = info.service; 7198 if (mSafeMode && (service.info.applicationInfo.flags 7199 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7200 return null; 7201 } 7202 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7203 if (ps == null) { 7204 return null; 7205 } 7206 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7207 ps.readUserState(userId), userId); 7208 if (si == null) { 7209 return null; 7210 } 7211 final ResolveInfo res = new ResolveInfo(); 7212 res.serviceInfo = si; 7213 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7214 res.filter = filter; 7215 } 7216 res.priority = info.getPriority(); 7217 res.preferredOrder = service.owner.mPreferredOrder; 7218 //System.out.println("Result: " + res.activityInfo.className + 7219 // " = " + res.priority); 7220 res.match = match; 7221 res.isDefault = info.hasDefault; 7222 res.labelRes = info.labelRes; 7223 res.nonLocalizedLabel = info.nonLocalizedLabel; 7224 res.icon = info.icon; 7225 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7226 return res; 7227 } 7228 7229 @Override 7230 protected void sortResults(List<ResolveInfo> results) { 7231 Collections.sort(results, mResolvePrioritySorter); 7232 } 7233 7234 @Override 7235 protected void dumpFilter(PrintWriter out, String prefix, 7236 PackageParser.ServiceIntentInfo filter) { 7237 out.print(prefix); out.print( 7238 Integer.toHexString(System.identityHashCode(filter.service))); 7239 out.print(' '); 7240 filter.service.printComponentShortName(out); 7241 out.print(" filter "); 7242 out.println(Integer.toHexString(System.identityHashCode(filter))); 7243 } 7244 7245// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7246// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7247// final List<ResolveInfo> retList = Lists.newArrayList(); 7248// while (i.hasNext()) { 7249// final ResolveInfo resolveInfo = (ResolveInfo) i; 7250// if (isEnabledLP(resolveInfo.serviceInfo)) { 7251// retList.add(resolveInfo); 7252// } 7253// } 7254// return retList; 7255// } 7256 7257 // Keys are String (activity class name), values are Activity. 7258 private final HashMap<ComponentName, PackageParser.Service> mServices 7259 = new HashMap<ComponentName, PackageParser.Service>(); 7260 private int mFlags; 7261 }; 7262 7263 private final class ProviderIntentResolver 7264 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7265 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7266 boolean defaultOnly, int userId) { 7267 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7268 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7269 } 7270 7271 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7272 int userId) { 7273 if (!sUserManager.exists(userId)) 7274 return null; 7275 mFlags = flags; 7276 return super.queryIntent(intent, resolvedType, 7277 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7278 } 7279 7280 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7281 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7282 if (!sUserManager.exists(userId)) 7283 return null; 7284 if (packageProviders == null) { 7285 return null; 7286 } 7287 mFlags = flags; 7288 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7289 final int N = packageProviders.size(); 7290 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7291 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7292 7293 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7294 for (int i = 0; i < N; ++i) { 7295 intentFilters = packageProviders.get(i).intents; 7296 if (intentFilters != null && intentFilters.size() > 0) { 7297 PackageParser.ProviderIntentInfo[] array = 7298 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7299 intentFilters.toArray(array); 7300 listCut.add(array); 7301 } 7302 } 7303 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7304 } 7305 7306 public final void addProvider(PackageParser.Provider p) { 7307 if (mProviders.containsKey(p.getComponentName())) { 7308 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7309 return; 7310 } 7311 7312 mProviders.put(p.getComponentName(), p); 7313 if (DEBUG_SHOW_INFO) { 7314 Log.v(TAG, " " 7315 + (p.info.nonLocalizedLabel != null 7316 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7317 Log.v(TAG, " Class=" + p.info.name); 7318 } 7319 final int NI = p.intents.size(); 7320 int j; 7321 for (j = 0; j < NI; j++) { 7322 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7323 if (DEBUG_SHOW_INFO) { 7324 Log.v(TAG, " IntentFilter:"); 7325 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7326 } 7327 if (!intent.debugCheck()) { 7328 Log.w(TAG, "==> For Provider " + p.info.name); 7329 } 7330 addFilter(intent); 7331 } 7332 } 7333 7334 public final void removeProvider(PackageParser.Provider p) { 7335 mProviders.remove(p.getComponentName()); 7336 if (DEBUG_SHOW_INFO) { 7337 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7338 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7339 Log.v(TAG, " Class=" + p.info.name); 7340 } 7341 final int NI = p.intents.size(); 7342 int j; 7343 for (j = 0; j < NI; j++) { 7344 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7345 if (DEBUG_SHOW_INFO) { 7346 Log.v(TAG, " IntentFilter:"); 7347 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7348 } 7349 removeFilter(intent); 7350 } 7351 } 7352 7353 @Override 7354 protected boolean allowFilterResult( 7355 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7356 ProviderInfo filterPi = filter.provider.info; 7357 for (int i = dest.size() - 1; i >= 0; i--) { 7358 ProviderInfo destPi = dest.get(i).providerInfo; 7359 if (destPi.name == filterPi.name 7360 && destPi.packageName == filterPi.packageName) { 7361 return false; 7362 } 7363 } 7364 return true; 7365 } 7366 7367 @Override 7368 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7369 return new PackageParser.ProviderIntentInfo[size]; 7370 } 7371 7372 @Override 7373 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7374 if (!sUserManager.exists(userId)) 7375 return true; 7376 PackageParser.Package p = filter.provider.owner; 7377 if (p != null) { 7378 PackageSetting ps = (PackageSetting) p.mExtras; 7379 if (ps != null) { 7380 // System apps are never considered stopped for purposes of 7381 // filtering, because there may be no way for the user to 7382 // actually re-launch them. 7383 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7384 && ps.getStopped(userId); 7385 } 7386 } 7387 return false; 7388 } 7389 7390 @Override 7391 protected boolean isPackageForFilter(String packageName, 7392 PackageParser.ProviderIntentInfo info) { 7393 return packageName.equals(info.provider.owner.packageName); 7394 } 7395 7396 @Override 7397 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7398 int match, int userId) { 7399 if (!sUserManager.exists(userId)) 7400 return null; 7401 final PackageParser.ProviderIntentInfo info = filter; 7402 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7403 return null; 7404 } 7405 final PackageParser.Provider provider = info.provider; 7406 if (mSafeMode && (provider.info.applicationInfo.flags 7407 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7408 return null; 7409 } 7410 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7411 if (ps == null) { 7412 return null; 7413 } 7414 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7415 ps.readUserState(userId), userId); 7416 if (pi == null) { 7417 return null; 7418 } 7419 final ResolveInfo res = new ResolveInfo(); 7420 res.providerInfo = pi; 7421 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7422 res.filter = filter; 7423 } 7424 res.priority = info.getPriority(); 7425 res.preferredOrder = provider.owner.mPreferredOrder; 7426 res.match = match; 7427 res.isDefault = info.hasDefault; 7428 res.labelRes = info.labelRes; 7429 res.nonLocalizedLabel = info.nonLocalizedLabel; 7430 res.icon = info.icon; 7431 res.system = isSystemApp(res.providerInfo.applicationInfo); 7432 return res; 7433 } 7434 7435 @Override 7436 protected void sortResults(List<ResolveInfo> results) { 7437 Collections.sort(results, mResolvePrioritySorter); 7438 } 7439 7440 @Override 7441 protected void dumpFilter(PrintWriter out, String prefix, 7442 PackageParser.ProviderIntentInfo filter) { 7443 out.print(prefix); 7444 out.print( 7445 Integer.toHexString(System.identityHashCode(filter.provider))); 7446 out.print(' '); 7447 filter.provider.printComponentShortName(out); 7448 out.print(" filter "); 7449 out.println(Integer.toHexString(System.identityHashCode(filter))); 7450 } 7451 7452 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7453 = new HashMap<ComponentName, PackageParser.Provider>(); 7454 private int mFlags; 7455 }; 7456 7457 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7458 new Comparator<ResolveInfo>() { 7459 public int compare(ResolveInfo r1, ResolveInfo r2) { 7460 int v1 = r1.priority; 7461 int v2 = r2.priority; 7462 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7463 if (v1 != v2) { 7464 return (v1 > v2) ? -1 : 1; 7465 } 7466 v1 = r1.preferredOrder; 7467 v2 = r2.preferredOrder; 7468 if (v1 != v2) { 7469 return (v1 > v2) ? -1 : 1; 7470 } 7471 if (r1.isDefault != r2.isDefault) { 7472 return r1.isDefault ? -1 : 1; 7473 } 7474 v1 = r1.match; 7475 v2 = r2.match; 7476 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7477 if (v1 != v2) { 7478 return (v1 > v2) ? -1 : 1; 7479 } 7480 if (r1.system != r2.system) { 7481 return r1.system ? -1 : 1; 7482 } 7483 return 0; 7484 } 7485 }; 7486 7487 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7488 new Comparator<ProviderInfo>() { 7489 public int compare(ProviderInfo p1, ProviderInfo p2) { 7490 final int v1 = p1.initOrder; 7491 final int v2 = p2.initOrder; 7492 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7493 } 7494 }; 7495 7496 static final void sendPackageBroadcast(String action, String pkg, 7497 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7498 int[] userIds) { 7499 IActivityManager am = ActivityManagerNative.getDefault(); 7500 if (am != null) { 7501 try { 7502 if (userIds == null) { 7503 userIds = am.getRunningUserIds(); 7504 } 7505 for (int id : userIds) { 7506 final Intent intent = new Intent(action, 7507 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7508 if (extras != null) { 7509 intent.putExtras(extras); 7510 } 7511 if (targetPkg != null) { 7512 intent.setPackage(targetPkg); 7513 } 7514 // Modify the UID when posting to other users 7515 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7516 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7517 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7518 intent.putExtra(Intent.EXTRA_UID, uid); 7519 } 7520 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7521 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7522 if (DEBUG_BROADCASTS) { 7523 RuntimeException here = new RuntimeException("here"); 7524 here.fillInStackTrace(); 7525 Slog.d(TAG, "Sending to user " + id + ": " 7526 + intent.toShortString(false, true, false, false) 7527 + " " + intent.getExtras(), here); 7528 } 7529 am.broadcastIntent(null, intent, null, finishedReceiver, 7530 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7531 finishedReceiver != null, false, id); 7532 } 7533 } catch (RemoteException ex) { 7534 } 7535 } 7536 } 7537 7538 /** 7539 * Check if the external storage media is available. This is true if there 7540 * is a mounted external storage medium or if the external storage is 7541 * emulated. 7542 */ 7543 private boolean isExternalMediaAvailable() { 7544 return mMediaMounted || Environment.isExternalStorageEmulated(); 7545 } 7546 7547 @Override 7548 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7549 // writer 7550 synchronized (mPackages) { 7551 if (!isExternalMediaAvailable()) { 7552 // If the external storage is no longer mounted at this point, 7553 // the caller may not have been able to delete all of this 7554 // packages files and can not delete any more. Bail. 7555 return null; 7556 } 7557 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7558 if (lastPackage != null) { 7559 pkgs.remove(lastPackage); 7560 } 7561 if (pkgs.size() > 0) { 7562 return pkgs.get(0); 7563 } 7564 } 7565 return null; 7566 } 7567 7568 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7569 if (false) { 7570 RuntimeException here = new RuntimeException("here"); 7571 here.fillInStackTrace(); 7572 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7573 + " andCode=" + andCode, here); 7574 } 7575 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7576 userId, andCode ? 1 : 0, packageName)); 7577 } 7578 7579 void startCleaningPackages() { 7580 // reader 7581 synchronized (mPackages) { 7582 if (!isExternalMediaAvailable()) { 7583 return; 7584 } 7585 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7586 return; 7587 } 7588 } 7589 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7590 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7591 IActivityManager am = ActivityManagerNative.getDefault(); 7592 if (am != null) { 7593 try { 7594 am.startService(null, intent, null, UserHandle.USER_OWNER); 7595 } catch (RemoteException e) { 7596 } 7597 } 7598 } 7599 7600 private final class AppDirObserver extends FileObserver { 7601 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7602 super(path, mask); 7603 mRootDir = path; 7604 mIsRom = isrom; 7605 mIsPrivileged = isPrivileged; 7606 } 7607 7608 public void onEvent(int event, String path) { 7609 String removedPackage = null; 7610 int removedAppId = -1; 7611 int[] removedUsers = null; 7612 String addedPackage = null; 7613 int addedAppId = -1; 7614 int[] addedUsers = null; 7615 7616 // TODO post a message to the handler to obtain serial ordering 7617 synchronized (mInstallLock) { 7618 String fullPathStr = null; 7619 File fullPath = null; 7620 if (path != null) { 7621 fullPath = new File(mRootDir, path); 7622 fullPathStr = fullPath.getPath(); 7623 } 7624 7625 if (DEBUG_APP_DIR_OBSERVER) 7626 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7627 7628 if (!isApkFile(fullPath)) { 7629 if (DEBUG_APP_DIR_OBSERVER) 7630 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7631 return; 7632 } 7633 7634 // Ignore packages that are being installed or 7635 // have just been installed. 7636 if (ignoreCodePath(fullPathStr)) { 7637 return; 7638 } 7639 PackageParser.Package p = null; 7640 PackageSetting ps = null; 7641 // reader 7642 synchronized (mPackages) { 7643 p = mAppDirs.get(fullPathStr); 7644 if (p != null) { 7645 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7646 if (ps != null) { 7647 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7648 } else { 7649 removedUsers = sUserManager.getUserIds(); 7650 } 7651 } 7652 addedUsers = sUserManager.getUserIds(); 7653 } 7654 if ((event&REMOVE_EVENTS) != 0) { 7655 if (ps != null) { 7656 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7657 removePackageLI(ps, true); 7658 removedPackage = ps.name; 7659 removedAppId = ps.appId; 7660 } 7661 } 7662 7663 if ((event&ADD_EVENTS) != 0) { 7664 if (p == null) { 7665 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7666 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7667 if (mIsRom) { 7668 flags |= PackageParser.PARSE_IS_SYSTEM 7669 | PackageParser.PARSE_IS_SYSTEM_DIR; 7670 if (mIsPrivileged) { 7671 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7672 } 7673 } 7674 p = scanPackageLI(fullPath, flags, 7675 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7676 System.currentTimeMillis(), UserHandle.ALL, null); 7677 if (p != null) { 7678 /* 7679 * TODO this seems dangerous as the package may have 7680 * changed since we last acquired the mPackages 7681 * lock. 7682 */ 7683 // writer 7684 synchronized (mPackages) { 7685 updatePermissionsLPw(p.packageName, p, 7686 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7687 } 7688 addedPackage = p.applicationInfo.packageName; 7689 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7690 } 7691 } 7692 } 7693 7694 // reader 7695 synchronized (mPackages) { 7696 mSettings.writeLPr(); 7697 } 7698 } 7699 7700 if (removedPackage != null) { 7701 Bundle extras = new Bundle(1); 7702 extras.putInt(Intent.EXTRA_UID, removedAppId); 7703 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7704 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7705 extras, null, null, removedUsers); 7706 } 7707 if (addedPackage != null) { 7708 Bundle extras = new Bundle(1); 7709 extras.putInt(Intent.EXTRA_UID, addedAppId); 7710 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7711 extras, null, null, addedUsers); 7712 } 7713 } 7714 7715 private final String mRootDir; 7716 private final boolean mIsRom; 7717 private final boolean mIsPrivileged; 7718 } 7719 7720 @Override 7721 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7722 String installerPackageName, VerificationParams verificationParams, 7723 String packageAbiOverride) { 7724 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7725 null); 7726 7727 final File originFile = new File(originPath); 7728 final int uid = Binder.getCallingUid(); 7729 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7730 try { 7731 if (observer != null) { 7732 observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED); 7733 } 7734 } catch (RemoteException re) { 7735 } 7736 return; 7737 } 7738 7739 UserHandle user; 7740 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7741 user = UserHandle.ALL; 7742 } else { 7743 user = new UserHandle(UserHandle.getUserId(uid)); 7744 } 7745 7746 final int filteredFlags; 7747 if (uid == Process.SHELL_UID || uid == 0) { 7748 if (DEBUG_INSTALL) { 7749 Slog.v(TAG, "Install from ADB"); 7750 } 7751 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7752 } else { 7753 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7754 } 7755 7756 verificationParams.setInstallerUid(uid); 7757 7758 final Message msg = mHandler.obtainMessage(INIT_COPY); 7759 msg.obj = new InstallParams(originFile, false, observer, filteredFlags, 7760 installerPackageName, verificationParams, user, packageAbiOverride); 7761 mHandler.sendMessage(msg); 7762 } 7763 7764 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer, 7765 PackageInstallerParams params, String installerPackageName, int installerUid, 7766 UserHandle user) { 7767 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7768 params.referrerUri, installerUid, null); 7769 7770 final Message msg = mHandler.obtainMessage(INIT_COPY); 7771 msg.obj = new InstallParams(stageDir, true, observer, params.installFlags, 7772 installerPackageName, verifParams, user, params.abiOverride); 7773 mHandler.sendMessage(msg); 7774 } 7775 7776 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7777 Bundle extras = new Bundle(1); 7778 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7779 7780 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7781 packageName, extras, null, null, new int[] {userId}); 7782 try { 7783 IActivityManager am = ActivityManagerNative.getDefault(); 7784 final boolean isSystem = 7785 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7786 if (isSystem && am.isUserRunning(userId, false)) { 7787 // The just-installed/enabled app is bundled on the system, so presumed 7788 // to be able to run automatically without needing an explicit launch. 7789 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7790 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7791 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7792 .setPackage(packageName); 7793 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7794 android.app.AppOpsManager.OP_NONE, false, false, userId); 7795 } 7796 } catch (RemoteException e) { 7797 // shouldn't happen 7798 Slog.w(TAG, "Unable to bootstrap installed package", e); 7799 } 7800 } 7801 7802 @Override 7803 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7804 int userId) { 7805 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7806 PackageSetting pkgSetting; 7807 final int uid = Binder.getCallingUid(); 7808 if (UserHandle.getUserId(uid) != userId) { 7809 mContext.enforceCallingOrSelfPermission( 7810 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7811 "setApplicationBlockedSetting for user " + userId); 7812 } 7813 7814 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7815 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7816 return false; 7817 } 7818 7819 long callingId = Binder.clearCallingIdentity(); 7820 try { 7821 boolean sendAdded = false; 7822 boolean sendRemoved = false; 7823 // writer 7824 synchronized (mPackages) { 7825 pkgSetting = mSettings.mPackages.get(packageName); 7826 if (pkgSetting == null) { 7827 return false; 7828 } 7829 if (pkgSetting.getBlocked(userId) != blocked) { 7830 pkgSetting.setBlocked(blocked, userId); 7831 mSettings.writePackageRestrictionsLPr(userId); 7832 if (blocked) { 7833 sendRemoved = true; 7834 } else { 7835 sendAdded = true; 7836 } 7837 } 7838 } 7839 if (sendAdded) { 7840 sendPackageAddedForUser(packageName, pkgSetting, userId); 7841 return true; 7842 } 7843 if (sendRemoved) { 7844 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7845 "blocking pkg"); 7846 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7847 } 7848 } finally { 7849 Binder.restoreCallingIdentity(callingId); 7850 } 7851 return false; 7852 } 7853 7854 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7855 int userId) { 7856 final PackageRemovedInfo info = new PackageRemovedInfo(); 7857 info.removedPackage = packageName; 7858 info.removedUsers = new int[] {userId}; 7859 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7860 info.sendBroadcast(false, false, false); 7861 } 7862 7863 /** 7864 * Returns true if application is not found or there was an error. Otherwise it returns 7865 * the blocked state of the package for the given user. 7866 */ 7867 @Override 7868 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7869 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7870 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7871 "getApplicationBlocked for user " + userId); 7872 PackageSetting pkgSetting; 7873 long callingId = Binder.clearCallingIdentity(); 7874 try { 7875 // writer 7876 synchronized (mPackages) { 7877 pkgSetting = mSettings.mPackages.get(packageName); 7878 if (pkgSetting == null) { 7879 return true; 7880 } 7881 return pkgSetting.getBlocked(userId); 7882 } 7883 } finally { 7884 Binder.restoreCallingIdentity(callingId); 7885 } 7886 } 7887 7888 /** 7889 * @hide 7890 */ 7891 @Override 7892 public int installExistingPackageAsUser(String packageName, int userId) { 7893 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7894 null); 7895 PackageSetting pkgSetting; 7896 final int uid = Binder.getCallingUid(); 7897 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7898 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7899 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7900 } 7901 7902 long callingId = Binder.clearCallingIdentity(); 7903 try { 7904 boolean sendAdded = false; 7905 Bundle extras = new Bundle(1); 7906 7907 // writer 7908 synchronized (mPackages) { 7909 pkgSetting = mSettings.mPackages.get(packageName); 7910 if (pkgSetting == null) { 7911 return PackageManager.INSTALL_FAILED_INVALID_URI; 7912 } 7913 if (!pkgSetting.getInstalled(userId)) { 7914 pkgSetting.setInstalled(true, userId); 7915 pkgSetting.setBlocked(false, userId); 7916 mSettings.writePackageRestrictionsLPr(userId); 7917 sendAdded = true; 7918 } 7919 } 7920 7921 if (sendAdded) { 7922 sendPackageAddedForUser(packageName, pkgSetting, userId); 7923 } 7924 } finally { 7925 Binder.restoreCallingIdentity(callingId); 7926 } 7927 7928 return PackageManager.INSTALL_SUCCEEDED; 7929 } 7930 7931 boolean isUserRestricted(int userId, String restrictionKey) { 7932 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7933 if (restrictions.getBoolean(restrictionKey, false)) { 7934 Log.w(TAG, "User is restricted: " + restrictionKey); 7935 return true; 7936 } 7937 return false; 7938 } 7939 7940 @Override 7941 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7942 mContext.enforceCallingOrSelfPermission( 7943 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7944 "Only package verification agents can verify applications"); 7945 7946 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7947 final PackageVerificationResponse response = new PackageVerificationResponse( 7948 verificationCode, Binder.getCallingUid()); 7949 msg.arg1 = id; 7950 msg.obj = response; 7951 mHandler.sendMessage(msg); 7952 } 7953 7954 @Override 7955 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7956 long millisecondsToDelay) { 7957 mContext.enforceCallingOrSelfPermission( 7958 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7959 "Only package verification agents can extend verification timeouts"); 7960 7961 final PackageVerificationState state = mPendingVerification.get(id); 7962 final PackageVerificationResponse response = new PackageVerificationResponse( 7963 verificationCodeAtTimeout, Binder.getCallingUid()); 7964 7965 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7966 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7967 } 7968 if (millisecondsToDelay < 0) { 7969 millisecondsToDelay = 0; 7970 } 7971 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7972 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7973 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7974 } 7975 7976 if ((state != null) && !state.timeoutExtended()) { 7977 state.extendTimeout(); 7978 7979 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7980 msg.arg1 = id; 7981 msg.obj = response; 7982 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7983 } 7984 } 7985 7986 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7987 int verificationCode, UserHandle user) { 7988 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7989 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7990 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7991 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7992 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7993 7994 mContext.sendBroadcastAsUser(intent, user, 7995 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7996 } 7997 7998 private ComponentName matchComponentForVerifier(String packageName, 7999 List<ResolveInfo> receivers) { 8000 ActivityInfo targetReceiver = null; 8001 8002 final int NR = receivers.size(); 8003 for (int i = 0; i < NR; i++) { 8004 final ResolveInfo info = receivers.get(i); 8005 if (info.activityInfo == null) { 8006 continue; 8007 } 8008 8009 if (packageName.equals(info.activityInfo.packageName)) { 8010 targetReceiver = info.activityInfo; 8011 break; 8012 } 8013 } 8014 8015 if (targetReceiver == null) { 8016 return null; 8017 } 8018 8019 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8020 } 8021 8022 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8023 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8024 if (pkgInfo.verifiers.length == 0) { 8025 return null; 8026 } 8027 8028 final int N = pkgInfo.verifiers.length; 8029 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8030 for (int i = 0; i < N; i++) { 8031 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8032 8033 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8034 receivers); 8035 if (comp == null) { 8036 continue; 8037 } 8038 8039 final int verifierUid = getUidForVerifier(verifierInfo); 8040 if (verifierUid == -1) { 8041 continue; 8042 } 8043 8044 if (DEBUG_VERIFY) { 8045 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8046 + " with the correct signature"); 8047 } 8048 sufficientVerifiers.add(comp); 8049 verificationState.addSufficientVerifier(verifierUid); 8050 } 8051 8052 return sufficientVerifiers; 8053 } 8054 8055 private int getUidForVerifier(VerifierInfo verifierInfo) { 8056 synchronized (mPackages) { 8057 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8058 if (pkg == null) { 8059 return -1; 8060 } else if (pkg.mSignatures.length != 1) { 8061 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8062 + " has more than one signature; ignoring"); 8063 return -1; 8064 } 8065 8066 /* 8067 * If the public key of the package's signature does not match 8068 * our expected public key, then this is a different package and 8069 * we should skip. 8070 */ 8071 8072 final byte[] expectedPublicKey; 8073 try { 8074 final Signature verifierSig = pkg.mSignatures[0]; 8075 final PublicKey publicKey = verifierSig.getPublicKey(); 8076 expectedPublicKey = publicKey.getEncoded(); 8077 } catch (CertificateException e) { 8078 return -1; 8079 } 8080 8081 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8082 8083 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8084 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8085 + " does not have the expected public key; ignoring"); 8086 return -1; 8087 } 8088 8089 return pkg.applicationInfo.uid; 8090 } 8091 } 8092 8093 @Override 8094 public void finishPackageInstall(int token) { 8095 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8096 8097 if (DEBUG_INSTALL) { 8098 Slog.v(TAG, "BM finishing package install for " + token); 8099 } 8100 8101 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8102 mHandler.sendMessage(msg); 8103 } 8104 8105 /** 8106 * Get the verification agent timeout. 8107 * 8108 * @return verification timeout in milliseconds 8109 */ 8110 private long getVerificationTimeout() { 8111 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8112 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8113 DEFAULT_VERIFICATION_TIMEOUT); 8114 } 8115 8116 /** 8117 * Get the default verification agent response code. 8118 * 8119 * @return default verification response code 8120 */ 8121 private int getDefaultVerificationResponse() { 8122 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8123 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8124 DEFAULT_VERIFICATION_RESPONSE); 8125 } 8126 8127 /** 8128 * Check whether or not package verification has been enabled. 8129 * 8130 * @return true if verification should be performed 8131 */ 8132 private boolean isVerificationEnabled(int userId, int flags) { 8133 if (!DEFAULT_VERIFY_ENABLE) { 8134 return false; 8135 } 8136 8137 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8138 8139 // Check if installing from ADB 8140 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8141 // Do not run verification in a test harness environment 8142 if (ActivityManager.isRunningInTestHarness()) { 8143 return false; 8144 } 8145 if (ensureVerifyAppsEnabled) { 8146 return true; 8147 } 8148 // Check if the developer does not want package verification for ADB installs 8149 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8150 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8151 return false; 8152 } 8153 } 8154 8155 if (ensureVerifyAppsEnabled) { 8156 return true; 8157 } 8158 8159 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8160 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8161 } 8162 8163 /** 8164 * Get the "allow unknown sources" setting. 8165 * 8166 * @return the current "allow unknown sources" setting 8167 */ 8168 private int getUnknownSourcesSettings() { 8169 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8170 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8171 -1); 8172 } 8173 8174 @Override 8175 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8176 final int uid = Binder.getCallingUid(); 8177 // writer 8178 synchronized (mPackages) { 8179 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8180 if (targetPackageSetting == null) { 8181 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8182 } 8183 8184 PackageSetting installerPackageSetting; 8185 if (installerPackageName != null) { 8186 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8187 if (installerPackageSetting == null) { 8188 throw new IllegalArgumentException("Unknown installer package: " 8189 + installerPackageName); 8190 } 8191 } else { 8192 installerPackageSetting = null; 8193 } 8194 8195 Signature[] callerSignature; 8196 Object obj = mSettings.getUserIdLPr(uid); 8197 if (obj != null) { 8198 if (obj instanceof SharedUserSetting) { 8199 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8200 } else if (obj instanceof PackageSetting) { 8201 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8202 } else { 8203 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8204 } 8205 } else { 8206 throw new SecurityException("Unknown calling uid " + uid); 8207 } 8208 8209 // Verify: can't set installerPackageName to a package that is 8210 // not signed with the same cert as the caller. 8211 if (installerPackageSetting != null) { 8212 if (compareSignatures(callerSignature, 8213 installerPackageSetting.signatures.mSignatures) 8214 != PackageManager.SIGNATURE_MATCH) { 8215 throw new SecurityException( 8216 "Caller does not have same cert as new installer package " 8217 + installerPackageName); 8218 } 8219 } 8220 8221 // Verify: if target already has an installer package, it must 8222 // be signed with the same cert as the caller. 8223 if (targetPackageSetting.installerPackageName != null) { 8224 PackageSetting setting = mSettings.mPackages.get( 8225 targetPackageSetting.installerPackageName); 8226 // If the currently set package isn't valid, then it's always 8227 // okay to change it. 8228 if (setting != null) { 8229 if (compareSignatures(callerSignature, 8230 setting.signatures.mSignatures) 8231 != PackageManager.SIGNATURE_MATCH) { 8232 throw new SecurityException( 8233 "Caller does not have same cert as old installer package " 8234 + targetPackageSetting.installerPackageName); 8235 } 8236 } 8237 } 8238 8239 // Okay! 8240 targetPackageSetting.installerPackageName = installerPackageName; 8241 scheduleWriteSettingsLocked(); 8242 } 8243 } 8244 8245 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8246 // Queue up an async operation since the package installation may take a little while. 8247 mHandler.post(new Runnable() { 8248 public void run() { 8249 mHandler.removeCallbacks(this); 8250 // Result object to be returned 8251 PackageInstalledInfo res = new PackageInstalledInfo(); 8252 res.returnCode = currentStatus; 8253 res.uid = -1; 8254 res.pkg = null; 8255 res.removedInfo = new PackageRemovedInfo(); 8256 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8257 args.doPreInstall(res.returnCode); 8258 synchronized (mInstallLock) { 8259 installPackageLI(args, true, res); 8260 } 8261 args.doPostInstall(res.returnCode, res.uid); 8262 } 8263 8264 // A restore should be performed at this point if (a) the install 8265 // succeeded, (b) the operation is not an update, and (c) the new 8266 // package has a backupAgent defined. 8267 final boolean update = res.removedInfo.removedPackage != null; 8268 boolean doRestore = (!update 8269 && res.pkg != null 8270 && res.pkg.applicationInfo.backupAgentName != null); 8271 8272 // Set up the post-install work request bookkeeping. This will be used 8273 // and cleaned up by the post-install event handling regardless of whether 8274 // there's a restore pass performed. Token values are >= 1. 8275 int token; 8276 if (mNextInstallToken < 0) mNextInstallToken = 1; 8277 token = mNextInstallToken++; 8278 8279 PostInstallData data = new PostInstallData(args, res); 8280 mRunningInstalls.put(token, data); 8281 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8282 8283 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8284 // Pass responsibility to the Backup Manager. It will perform a 8285 // restore if appropriate, then pass responsibility back to the 8286 // Package Manager to run the post-install observer callbacks 8287 // and broadcasts. 8288 IBackupManager bm = IBackupManager.Stub.asInterface( 8289 ServiceManager.getService(Context.BACKUP_SERVICE)); 8290 if (bm != null) { 8291 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8292 + " to BM for possible restore"); 8293 try { 8294 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8295 } catch (RemoteException e) { 8296 // can't happen; the backup manager is local 8297 } catch (Exception e) { 8298 Slog.e(TAG, "Exception trying to enqueue restore", e); 8299 doRestore = false; 8300 } 8301 } else { 8302 Slog.e(TAG, "Backup Manager not found!"); 8303 doRestore = false; 8304 } 8305 } 8306 8307 if (!doRestore) { 8308 // No restore possible, or the Backup Manager was mysteriously not 8309 // available -- just fire the post-install work request directly. 8310 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8311 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8312 mHandler.sendMessage(msg); 8313 } 8314 } 8315 }); 8316 } 8317 8318 private abstract class HandlerParams { 8319 private static final int MAX_RETRIES = 4; 8320 8321 /** 8322 * Number of times startCopy() has been attempted and had a non-fatal 8323 * error. 8324 */ 8325 private int mRetries = 0; 8326 8327 /** User handle for the user requesting the information or installation. */ 8328 private final UserHandle mUser; 8329 8330 HandlerParams(UserHandle user) { 8331 mUser = user; 8332 } 8333 8334 UserHandle getUser() { 8335 return mUser; 8336 } 8337 8338 final boolean startCopy() { 8339 boolean res; 8340 try { 8341 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8342 8343 if (++mRetries > MAX_RETRIES) { 8344 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8345 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8346 handleServiceError(); 8347 return false; 8348 } else { 8349 handleStartCopy(); 8350 res = true; 8351 } 8352 } catch (RemoteException e) { 8353 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8354 mHandler.sendEmptyMessage(MCS_RECONNECT); 8355 res = false; 8356 } 8357 handleReturnCode(); 8358 return res; 8359 } 8360 8361 final void serviceError() { 8362 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8363 handleServiceError(); 8364 handleReturnCode(); 8365 } 8366 8367 abstract void handleStartCopy() throws RemoteException; 8368 abstract void handleServiceError(); 8369 abstract void handleReturnCode(); 8370 } 8371 8372 class MeasureParams extends HandlerParams { 8373 private final PackageStats mStats; 8374 private boolean mSuccess; 8375 8376 private final IPackageStatsObserver mObserver; 8377 8378 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8379 super(new UserHandle(stats.userHandle)); 8380 mObserver = observer; 8381 mStats = stats; 8382 } 8383 8384 @Override 8385 public String toString() { 8386 return "MeasureParams{" 8387 + Integer.toHexString(System.identityHashCode(this)) 8388 + " " + mStats.packageName + "}"; 8389 } 8390 8391 @Override 8392 void handleStartCopy() throws RemoteException { 8393 synchronized (mInstallLock) { 8394 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8395 } 8396 8397 if (mSuccess) { 8398 final boolean mounted; 8399 if (Environment.isExternalStorageEmulated()) { 8400 mounted = true; 8401 } else { 8402 final String status = Environment.getExternalStorageState(); 8403 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8404 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8405 } 8406 8407 if (mounted) { 8408 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8409 8410 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8411 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8412 8413 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8414 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8415 8416 // Always subtract cache size, since it's a subdirectory 8417 mStats.externalDataSize -= mStats.externalCacheSize; 8418 8419 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8420 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8421 8422 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8423 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8424 } 8425 } 8426 } 8427 8428 @Override 8429 void handleReturnCode() { 8430 if (mObserver != null) { 8431 try { 8432 mObserver.onGetStatsCompleted(mStats, mSuccess); 8433 } catch (RemoteException e) { 8434 Slog.i(TAG, "Observer no longer exists."); 8435 } 8436 } 8437 } 8438 8439 @Override 8440 void handleServiceError() { 8441 Slog.e(TAG, "Could not measure application " + mStats.packageName 8442 + " external storage"); 8443 } 8444 } 8445 8446 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8447 throws RemoteException { 8448 long result = 0; 8449 for (File path : paths) { 8450 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8451 } 8452 return result; 8453 } 8454 8455 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8456 for (File path : paths) { 8457 try { 8458 mcs.clearDirectory(path.getAbsolutePath()); 8459 } catch (RemoteException e) { 8460 } 8461 } 8462 } 8463 8464 class InstallParams extends HandlerParams { 8465 /** 8466 * Location where install is coming from, before it has been 8467 * copied/renamed into place. This could be a single monolithic APK 8468 * file, or a cluster directory. This location may be untrusted. 8469 */ 8470 final File originFile; 8471 8472 /** 8473 * Flag indicating that {@link #originFile} has already been staged, 8474 * meaning downstream users don't need to defensively copy the contents. 8475 */ 8476 boolean originStaged; 8477 8478 final IPackageInstallObserver2 observer; 8479 int flags; 8480 final String installerPackageName; 8481 final VerificationParams verificationParams; 8482 private InstallArgs mArgs; 8483 private int mRet; 8484 final String packageAbiOverride; 8485 boolean multiArch; 8486 8487 InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 8488 int flags, String installerPackageName, VerificationParams verificationParams, 8489 UserHandle user, String packageAbiOverride) { 8490 super(user); 8491 this.originFile = Preconditions.checkNotNull(originFile); 8492 this.originStaged = originStaged; 8493 this.observer = observer; 8494 this.flags = flags; 8495 this.installerPackageName = installerPackageName; 8496 this.verificationParams = verificationParams; 8497 this.packageAbiOverride = packageAbiOverride; 8498 } 8499 8500 @Override 8501 public String toString() { 8502 return "InstallParams{" 8503 + Integer.toHexString(System.identityHashCode(this)) 8504 + " " + originFile + "}"; 8505 } 8506 8507 public ManifestDigest getManifestDigest() { 8508 if (verificationParams == null) { 8509 return null; 8510 } 8511 return verificationParams.getManifestDigest(); 8512 } 8513 8514 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8515 String packageName = pkgLite.packageName; 8516 int installLocation = pkgLite.installLocation; 8517 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8518 // reader 8519 synchronized (mPackages) { 8520 PackageParser.Package pkg = mPackages.get(packageName); 8521 if (pkg != null) { 8522 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8523 // Check for downgrading. 8524 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8525 if (pkgLite.versionCode < pkg.mVersionCode) { 8526 Slog.w(TAG, "Can't install update of " + packageName 8527 + " update version " + pkgLite.versionCode 8528 + " is older than installed version " 8529 + pkg.mVersionCode); 8530 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8531 } 8532 } 8533 // Check for updated system application. 8534 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8535 if (onSd) { 8536 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8537 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8538 } 8539 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8540 } else { 8541 if (onSd) { 8542 // Install flag overrides everything. 8543 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8544 } 8545 // If current upgrade specifies particular preference 8546 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8547 // Application explicitly specified internal. 8548 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8549 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8550 // App explictly prefers external. Let policy decide 8551 } else { 8552 // Prefer previous location 8553 if (isExternal(pkg)) { 8554 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8555 } 8556 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8557 } 8558 } 8559 } else { 8560 // Invalid install. Return error code 8561 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8562 } 8563 } 8564 } 8565 // All the special cases have been taken care of. 8566 // Return result based on recommended install location. 8567 if (onSd) { 8568 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8569 } 8570 return pkgLite.recommendedInstallLocation; 8571 } 8572 8573 private long getMemoryLowThreshold() { 8574 final DeviceStorageMonitorInternal 8575 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8576 if (dsm == null) { 8577 return 0L; 8578 } 8579 return dsm.getMemoryLowThreshold(); 8580 } 8581 8582 /* 8583 * Invoke remote method to get package information and install 8584 * location values. Override install location based on default 8585 * policy if needed and then create install arguments based 8586 * on the install location. 8587 */ 8588 public void handleStartCopy() throws RemoteException { 8589 int ret = PackageManager.INSTALL_SUCCEEDED; 8590 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8591 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8592 PackageInfoLite pkgLite = null; 8593 8594 if (onInt && onSd) { 8595 // Check if both bits are set. 8596 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8597 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8598 } else { 8599 final long lowThreshold = getMemoryLowThreshold(); 8600 if (lowThreshold == 0L) { 8601 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8602 } 8603 8604 // Remote call to find out default install location 8605 final String originPath = originFile.getAbsolutePath(); 8606 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8607 packageAbiOverride); 8608 // Keep track of whether this package is a multiArch package until 8609 // we perform a full scan of it. We need to do this because we might 8610 // end up extracting the package shared libraries before we perform 8611 // a full scan. 8612 multiArch = pkgLite.multiArch; 8613 8614 /* 8615 * If we have too little free space, try to free cache 8616 * before giving up. 8617 */ 8618 if (pkgLite.recommendedInstallLocation 8619 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8620 final long size = mContainerService.calculateInstalledSize( 8621 originPath, isForwardLocked(), packageAbiOverride); 8622 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8623 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8624 lowThreshold, packageAbiOverride); 8625 } 8626 /* 8627 * The cache free must have deleted the file we 8628 * downloaded to install. 8629 * 8630 * TODO: fix the "freeCache" call to not delete 8631 * the file we care about. 8632 */ 8633 if (pkgLite.recommendedInstallLocation 8634 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8635 pkgLite.recommendedInstallLocation 8636 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8637 } 8638 } 8639 } 8640 8641 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8642 int loc = pkgLite.recommendedInstallLocation; 8643 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8644 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8645 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8646 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8647 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8648 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8649 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8650 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8651 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8652 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8653 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8654 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8655 } else { 8656 // Override with defaults if needed. 8657 loc = installLocationPolicy(pkgLite, flags); 8658 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8659 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8660 } else if (!onSd && !onInt) { 8661 // Override install location with flags 8662 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8663 // Set the flag to install on external media. 8664 flags |= PackageManager.INSTALL_EXTERNAL; 8665 flags &= ~PackageManager.INSTALL_INTERNAL; 8666 } else { 8667 // Make sure the flag for installing on external 8668 // media is unset 8669 flags |= PackageManager.INSTALL_INTERNAL; 8670 flags &= ~PackageManager.INSTALL_EXTERNAL; 8671 } 8672 } 8673 } 8674 } 8675 8676 final InstallArgs args = createInstallArgs(this); 8677 mArgs = args; 8678 8679 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8680 /* 8681 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8682 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8683 */ 8684 int userIdentifier = getUser().getIdentifier(); 8685 if (userIdentifier == UserHandle.USER_ALL 8686 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8687 userIdentifier = UserHandle.USER_OWNER; 8688 } 8689 8690 /* 8691 * Determine if we have any installed package verifiers. If we 8692 * do, then we'll defer to them to verify the packages. 8693 */ 8694 final int requiredUid = mRequiredVerifierPackage == null ? -1 8695 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8696 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8697 // TODO: send verifier the install session instead of uri 8698 final Intent verification = new Intent( 8699 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8700 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8701 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8702 8703 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8704 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8705 0 /* TODO: Which userId? */); 8706 8707 if (DEBUG_VERIFY) { 8708 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8709 + verification.toString() + " with " + pkgLite.verifiers.length 8710 + " optional verifiers"); 8711 } 8712 8713 final int verificationId = mPendingVerificationToken++; 8714 8715 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8716 8717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8718 installerPackageName); 8719 8720 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8721 8722 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8723 pkgLite.packageName); 8724 8725 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8726 pkgLite.versionCode); 8727 8728 if (verificationParams != null) { 8729 if (verificationParams.getVerificationURI() != null) { 8730 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8731 verificationParams.getVerificationURI()); 8732 } 8733 if (verificationParams.getOriginatingURI() != null) { 8734 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8735 verificationParams.getOriginatingURI()); 8736 } 8737 if (verificationParams.getReferrer() != null) { 8738 verification.putExtra(Intent.EXTRA_REFERRER, 8739 verificationParams.getReferrer()); 8740 } 8741 if (verificationParams.getOriginatingUid() >= 0) { 8742 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8743 verificationParams.getOriginatingUid()); 8744 } 8745 if (verificationParams.getInstallerUid() >= 0) { 8746 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8747 verificationParams.getInstallerUid()); 8748 } 8749 } 8750 8751 final PackageVerificationState verificationState = new PackageVerificationState( 8752 requiredUid, args); 8753 8754 mPendingVerification.append(verificationId, verificationState); 8755 8756 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8757 receivers, verificationState); 8758 8759 /* 8760 * If any sufficient verifiers were listed in the package 8761 * manifest, attempt to ask them. 8762 */ 8763 if (sufficientVerifiers != null) { 8764 final int N = sufficientVerifiers.size(); 8765 if (N == 0) { 8766 Slog.i(TAG, "Additional verifiers required, but none installed."); 8767 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8768 } else { 8769 for (int i = 0; i < N; i++) { 8770 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8771 8772 final Intent sufficientIntent = new Intent(verification); 8773 sufficientIntent.setComponent(verifierComponent); 8774 8775 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8776 } 8777 } 8778 } 8779 8780 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8781 mRequiredVerifierPackage, receivers); 8782 if (ret == PackageManager.INSTALL_SUCCEEDED 8783 && mRequiredVerifierPackage != null) { 8784 /* 8785 * Send the intent to the required verification agent, 8786 * but only start the verification timeout after the 8787 * target BroadcastReceivers have run. 8788 */ 8789 verification.setComponent(requiredVerifierComponent); 8790 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8791 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8792 new BroadcastReceiver() { 8793 @Override 8794 public void onReceive(Context context, Intent intent) { 8795 final Message msg = mHandler 8796 .obtainMessage(CHECK_PENDING_VERIFICATION); 8797 msg.arg1 = verificationId; 8798 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8799 } 8800 }, null, 0, null, null); 8801 8802 /* 8803 * We don't want the copy to proceed until verification 8804 * succeeds, so null out this field. 8805 */ 8806 mArgs = null; 8807 } 8808 } else { 8809 /* 8810 * No package verification is enabled, so immediately start 8811 * the remote call to initiate copy using temporary file. 8812 */ 8813 ret = args.copyApk(mContainerService, true); 8814 } 8815 } 8816 8817 mRet = ret; 8818 } 8819 8820 @Override 8821 void handleReturnCode() { 8822 // If mArgs is null, then MCS couldn't be reached. When it 8823 // reconnects, it will try again to install. At that point, this 8824 // will succeed. 8825 if (mArgs != null) { 8826 processPendingInstall(mArgs, mRet); 8827 } 8828 } 8829 8830 @Override 8831 void handleServiceError() { 8832 mArgs = createInstallArgs(this); 8833 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8834 } 8835 8836 public boolean isForwardLocked() { 8837 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8838 } 8839 } 8840 8841 /* 8842 * Utility class used in movePackage api. 8843 * srcArgs and targetArgs are not set for invalid flags and make 8844 * sure to do null checks when invoking methods on them. 8845 * We probably want to return ErrorPrams for both failed installs 8846 * and moves. 8847 */ 8848 class MoveParams extends HandlerParams { 8849 final IPackageMoveObserver observer; 8850 final int flags; 8851 final String packageName; 8852 final InstallArgs srcArgs; 8853 final InstallArgs targetArgs; 8854 int uid; 8855 int mRet; 8856 8857 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8858 String packageName, String[] instructionSets, int uid, UserHandle user, 8859 boolean isMultiArch) { 8860 super(user); 8861 this.srcArgs = srcArgs; 8862 this.observer = observer; 8863 this.flags = flags; 8864 this.packageName = packageName; 8865 this.uid = uid; 8866 if (srcArgs != null) { 8867 final String codePath = srcArgs.getCodePath(); 8868 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8869 instructionSets, isMultiArch); 8870 } else { 8871 targetArgs = null; 8872 } 8873 } 8874 8875 @Override 8876 public String toString() { 8877 return "MoveParams{" 8878 + Integer.toHexString(System.identityHashCode(this)) 8879 + " " + packageName + "}"; 8880 } 8881 8882 public void handleStartCopy() throws RemoteException { 8883 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8884 // Check for storage space on target medium 8885 if (!targetArgs.checkFreeStorage(mContainerService)) { 8886 Log.w(TAG, "Insufficient storage to install"); 8887 return; 8888 } 8889 8890 mRet = srcArgs.doPreCopy(); 8891 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8892 return; 8893 } 8894 8895 mRet = targetArgs.copyApk(mContainerService, false); 8896 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8897 srcArgs.doPostCopy(uid); 8898 return; 8899 } 8900 8901 mRet = srcArgs.doPostCopy(uid); 8902 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8903 return; 8904 } 8905 8906 mRet = targetArgs.doPreInstall(mRet); 8907 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8908 return; 8909 } 8910 8911 if (DEBUG_SD_INSTALL) { 8912 StringBuilder builder = new StringBuilder(); 8913 if (srcArgs != null) { 8914 builder.append("src: "); 8915 builder.append(srcArgs.getCodePath()); 8916 } 8917 if (targetArgs != null) { 8918 builder.append(" target : "); 8919 builder.append(targetArgs.getCodePath()); 8920 } 8921 Log.i(TAG, builder.toString()); 8922 } 8923 } 8924 8925 @Override 8926 void handleReturnCode() { 8927 targetArgs.doPostInstall(mRet, uid); 8928 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8929 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8930 currentStatus = PackageManager.MOVE_SUCCEEDED; 8931 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8932 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8933 } 8934 processPendingMove(this, currentStatus); 8935 } 8936 8937 @Override 8938 void handleServiceError() { 8939 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8940 } 8941 } 8942 8943 /** 8944 * Used during creation of InstallArgs 8945 * 8946 * @param flags package installation flags 8947 * @return true if should be installed on external storage 8948 */ 8949 private static boolean installOnSd(int flags) { 8950 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8951 return false; 8952 } 8953 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8954 return true; 8955 } 8956 return false; 8957 } 8958 8959 /** 8960 * Used during creation of InstallArgs 8961 * 8962 * @param flags package installation flags 8963 * @return true if should be installed as forward locked 8964 */ 8965 private static boolean installForwardLocked(int flags) { 8966 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8967 } 8968 8969 private InstallArgs createInstallArgs(InstallParams params) { 8970 // TODO: extend to support incoming zero-copy locations 8971 8972 if (installOnSd(params.flags) || params.isForwardLocked()) { 8973 return new AsecInstallArgs(params); 8974 } else { 8975 return new FileInstallArgs(params); 8976 } 8977 } 8978 8979 /** 8980 * Create args that describe an existing installed package. Typically used 8981 * when cleaning up old installs, or used as a move source. 8982 */ 8983 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 8984 String resourcePath, String nativeLibraryRoot, String[] instructionSets, 8985 boolean isMultiArch) { 8986 final boolean isInAsec; 8987 if (installOnSd(flags)) { 8988 /* Apps on SD card are always in ASEC containers. */ 8989 isInAsec = true; 8990 } else if (installForwardLocked(flags) 8991 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8992 /* 8993 * Forward-locked apps are only in ASEC containers if they're the 8994 * new style 8995 */ 8996 isInAsec = true; 8997 } else { 8998 isInAsec = false; 8999 } 9000 9001 if (isInAsec) { 9002 return new AsecInstallArgs(codePath, instructionSets, 9003 installOnSd(flags), installForwardLocked(flags), isMultiArch); 9004 } else { 9005 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9006 instructionSets, isMultiArch); 9007 } 9008 } 9009 9010 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 9011 String[] instructionSets, boolean isMultiArch) { 9012 final File codeFile = new File(codePath); 9013 if (installOnSd(flags) || installForwardLocked(flags)) { 9014 String cid = getNextCodePath(codePath, pkgName, "/" 9015 + AsecInstallArgs.RES_FILE_NAME); 9016 return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags), 9017 installForwardLocked(flags), isMultiArch); 9018 } else { 9019 return new FileInstallArgs(codeFile, instructionSets, isMultiArch); 9020 } 9021 } 9022 9023 static abstract class InstallArgs { 9024 /** @see InstallParams#originFile */ 9025 final File originFile; 9026 /** @see InstallParams#originStaged */ 9027 final boolean originStaged; 9028 9029 // TODO: define inherit location 9030 9031 final IPackageInstallObserver2 observer; 9032 // Always refers to PackageManager flags only 9033 final int flags; 9034 final String installerPackageName; 9035 final ManifestDigest manifestDigest; 9036 final UserHandle user; 9037 final String abiOverride; 9038 final boolean multiArch; 9039 9040 // The list of instruction sets supported by this app. This is currently 9041 // only used during the rmdex() phase to clean up resources. We can get rid of this 9042 // if we move dex files under the common app path. 9043 /* nullable */ String[] instructionSets; 9044 9045 InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 9046 int flags, String installerPackageName, ManifestDigest manifestDigest, 9047 UserHandle user, String[] instructionSets, 9048 String abiOverride, boolean multiArch) { 9049 this.originFile = originFile; 9050 this.originStaged = originStaged; 9051 this.flags = flags; 9052 this.observer = observer; 9053 this.installerPackageName = installerPackageName; 9054 this.manifestDigest = manifestDigest; 9055 this.user = user; 9056 this.instructionSets = instructionSets; 9057 this.abiOverride = abiOverride; 9058 this.multiArch = multiArch; 9059 } 9060 9061 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9062 abstract int doPreInstall(int status); 9063 9064 /** 9065 * Rename package into final resting place. All paths on the given 9066 * scanned package should be updated to reflect the rename. 9067 */ 9068 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9069 abstract int doPostInstall(int status, int uid); 9070 9071 /** @see PackageSettingBase#codePathString */ 9072 abstract String getCodePath(); 9073 /** @see PackageSettingBase#resourcePathString */ 9074 abstract String getResourcePath(); 9075 abstract String getLegacyNativeLibraryPath(); 9076 9077 // Need installer lock especially for dex file removal. 9078 abstract void cleanUpResourcesLI(); 9079 abstract boolean doPostDeleteLI(boolean delete); 9080 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9081 9082 /** 9083 * Called before the source arguments are copied. This is used mostly 9084 * for MoveParams when it needs to read the source file to put it in the 9085 * destination. 9086 */ 9087 int doPreCopy() { 9088 return PackageManager.INSTALL_SUCCEEDED; 9089 } 9090 9091 /** 9092 * Called after the source arguments are copied. This is used mostly for 9093 * MoveParams when it needs to read the source file to put it in the 9094 * destination. 9095 * 9096 * @return 9097 */ 9098 int doPostCopy(int uid) { 9099 return PackageManager.INSTALL_SUCCEEDED; 9100 } 9101 9102 protected boolean isFwdLocked() { 9103 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9104 } 9105 9106 UserHandle getUser() { 9107 return user; 9108 } 9109 } 9110 9111 /** 9112 * Logic to handle installation of non-ASEC applications, including copying 9113 * and renaming logic. 9114 */ 9115 class FileInstallArgs extends InstallArgs { 9116 private File codeFile; 9117 private File resourceFile; 9118 private File legacyNativeLibraryPath; 9119 9120 // Example topology: 9121 // /data/app/com.example/base.apk 9122 // /data/app/com.example/split_foo.apk 9123 // /data/app/com.example/lib/arm/libfoo.so 9124 // /data/app/com.example/lib/arm64/libfoo.so 9125 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9126 9127 /** New install */ 9128 FileInstallArgs(InstallParams params) { 9129 super(params.originFile, params.originStaged, params.observer, params.flags, 9130 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9131 null /* instruction sets */, params.packageAbiOverride, 9132 params.multiArch); 9133 if (isFwdLocked()) { 9134 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9135 } 9136 } 9137 9138 /** Existing install */ 9139 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9140 String[] instructionSets, boolean isMultiArch) { 9141 super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch); 9142 this.codeFile = (codePath != null) ? new File(codePath) : null; 9143 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9144 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9145 new File(legacyNativeLibraryPath) : null; 9146 } 9147 9148 /** New install from existing */ 9149 FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) { 9150 super(originFile, false, null, 0, null, null, null, instructionSets, null, 9151 isMultiArch); 9152 } 9153 9154 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9155 final long lowThreshold; 9156 9157 final DeviceStorageMonitorInternal 9158 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9159 if (dsm == null) { 9160 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9161 lowThreshold = 0L; 9162 } else { 9163 if (dsm.isMemoryLow()) { 9164 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9165 return false; 9166 } 9167 9168 lowThreshold = dsm.getMemoryLowThreshold(); 9169 } 9170 9171 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9172 lowThreshold); 9173 } 9174 9175 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9176 int ret = PackageManager.INSTALL_SUCCEEDED; 9177 9178 if (originStaged) { 9179 Slog.d(TAG, originFile + " already staged; skipping copy"); 9180 codeFile = originFile; 9181 resourceFile = originFile; 9182 } else { 9183 try { 9184 final File tempDir = mInstallerService.allocateSessionDir(); 9185 codeFile = tempDir; 9186 resourceFile = tempDir; 9187 } catch (IOException e) { 9188 Slog.w(TAG, "Failed to create copy file: " + e); 9189 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9190 } 9191 9192 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9193 @Override 9194 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9195 if (!FileUtils.isValidExtFilename(name)) { 9196 throw new IllegalArgumentException("Invalid filename: " + name); 9197 } 9198 try { 9199 final File file = new File(codeFile, name); 9200 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9201 O_RDWR | O_CREAT, 0644); 9202 Os.chmod(file.getAbsolutePath(), 0644); 9203 return new ParcelFileDescriptor(fd); 9204 } catch (ErrnoException e) { 9205 throw new RemoteException("Failed to open: " + e.getMessage()); 9206 } 9207 } 9208 }; 9209 9210 ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9211 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9212 Slog.e(TAG, "Failed to copy package"); 9213 return ret; 9214 } 9215 } 9216 9217 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9218 NativeLibraryHelper.Handle handle = null; 9219 try { 9220 handle = NativeLibraryHelper.Handle.create(codeFile); 9221 if (multiArch) { 9222 // Warn if we've set an abiOverride for multi-lib packages.. 9223 // By definition, we need to copy both 32 and 64 bit libraries for 9224 // such packages. 9225 if (abiOverride != null) { 9226 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9227 } 9228 9229 int copyRet = PackageManager.NO_NATIVE_LIBRARIES; 9230 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9231 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9232 Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */); 9233 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9234 Slog.w(TAG, "Failure copying 32 bit native libraries [errorCode=" + copyRet + "]"); 9235 return copyRet; 9236 } 9237 } 9238 9239 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9240 Log.d(TAG, "Installed 32 bit libraries under: " + codeFile + " abi=" + 9241 Build.SUPPORTED_32_BIT_ABIS[copyRet]); 9242 } 9243 9244 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9245 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9246 Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */); 9247 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9248 Slog.w(TAG, "Failure copying 64 bit native libraries [errorCode=" + copyRet + "]"); 9249 return copyRet; 9250 } 9251 } 9252 9253 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9254 Log.d(TAG, "Installed 64 bit libraries under: " + codeFile + " abi=" + 9255 Build.SUPPORTED_64_BIT_ABIS[copyRet]); 9256 } 9257 } else { 9258 String[] abiList = (abiOverride != null) ? 9259 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9260 9261 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 9262 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9263 abiList = Build.SUPPORTED_32_BIT_ABIS; 9264 } 9265 9266 int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList, 9267 true /* use isa specific subdirs */); 9268 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9269 Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]"); 9270 return copyRet; 9271 } 9272 9273 if (DEBUG_ABI_SELECTION && copyRet >= 0) { 9274 Log.d(TAG, "Installed libraries under: " + codeFile + " abi=" + abiList[copyRet]); 9275 } 9276 } 9277 } catch (IOException e) { 9278 Slog.e(TAG, "Copying native libraries failed", e); 9279 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9280 } finally { 9281 IoUtils.closeQuietly(handle); 9282 } 9283 9284 return ret; 9285 } 9286 9287 int doPreInstall(int status) { 9288 if (status != PackageManager.INSTALL_SUCCEEDED) { 9289 cleanUp(); 9290 } 9291 return status; 9292 } 9293 9294 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9295 if (status != PackageManager.INSTALL_SUCCEEDED) { 9296 cleanUp(); 9297 return false; 9298 } else { 9299 final File beforeCodeFile = codeFile; 9300 final File afterCodeFile = new File(mAppInstallDir, 9301 getNextCodePath(oldCodePath, pkg.packageName, null)); 9302 9303 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9304 if (!beforeCodeFile.renameTo(afterCodeFile)) { 9305 return false; 9306 } 9307 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9308 return false; 9309 } 9310 9311 // Reflect the rename internally 9312 codeFile = afterCodeFile; 9313 resourceFile = afterCodeFile; 9314 9315 // Reflect the rename in scanned details 9316 pkg.codePath = afterCodeFile.getAbsolutePath(); 9317 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9318 pkg.baseCodePath); 9319 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9320 pkg.splitCodePaths); 9321 9322 // Reflect the rename in app info 9323 pkg.applicationInfo.setCodePath(pkg.codePath); 9324 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9325 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9326 pkg.applicationInfo.setResourcePath(pkg.codePath); 9327 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9328 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9329 9330 return true; 9331 } 9332 } 9333 9334 int doPostInstall(int status, int uid) { 9335 if (status != PackageManager.INSTALL_SUCCEEDED) { 9336 cleanUp(); 9337 } 9338 return status; 9339 } 9340 9341 @Override 9342 String getCodePath() { 9343 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9344 } 9345 9346 @Override 9347 String getResourcePath() { 9348 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9349 } 9350 9351 @Override 9352 String getLegacyNativeLibraryPath() { 9353 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9354 } 9355 9356 private boolean cleanUp() { 9357 if (codeFile == null || !codeFile.exists()) { 9358 return false; 9359 } 9360 9361 if (codeFile.isDirectory()) { 9362 FileUtils.deleteContents(codeFile); 9363 } 9364 codeFile.delete(); 9365 9366 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9367 resourceFile.delete(); 9368 } 9369 9370 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9371 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9372 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9373 } 9374 legacyNativeLibraryPath.delete(); 9375 } 9376 9377 return true; 9378 } 9379 9380 void cleanUpResourcesLI() { 9381 // Try enumerating all code paths before deleting 9382 List<String> allCodePaths = Collections.EMPTY_LIST; 9383 if (codeFile != null && codeFile.exists()) { 9384 try { 9385 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9386 allCodePaths = pkg.getAllCodePaths(); 9387 } catch (PackageParserException e) { 9388 // Ignored; we tried our best 9389 } 9390 } 9391 9392 cleanUp(); 9393 9394 if (!allCodePaths.isEmpty()) { 9395 if (instructionSets == null) { 9396 throw new IllegalStateException("instructionSet == null"); 9397 } 9398 9399 for (String codePath : allCodePaths) { 9400 for (String instructionSet : instructionSets) { 9401 int retCode = mInstaller.rmdex(codePath, instructionSet); 9402 if (retCode < 0) { 9403 Slog.w(TAG, "Couldn't remove dex file for package: " 9404 + " at location " + codePath + ", retcode=" + retCode); 9405 // we don't consider this to be a failure of the core package deletion 9406 } 9407 } 9408 } 9409 } 9410 } 9411 9412 boolean doPostDeleteLI(boolean delete) { 9413 // XXX err, shouldn't we respect the delete flag? 9414 cleanUpResourcesLI(); 9415 return true; 9416 } 9417 } 9418 9419 private boolean isAsecExternal(String cid) { 9420 final String asecPath = PackageHelper.getSdFilesystem(cid); 9421 return !asecPath.startsWith(mAsecInternalPath); 9422 } 9423 9424 /** 9425 * Extract the MountService "container ID" from the full code path of an 9426 * .apk. 9427 */ 9428 static String cidFromCodePath(String fullCodePath) { 9429 int eidx = fullCodePath.lastIndexOf("/"); 9430 String subStr1 = fullCodePath.substring(0, eidx); 9431 int sidx = subStr1.lastIndexOf("/"); 9432 return subStr1.substring(sidx+1, eidx); 9433 } 9434 9435 /** 9436 * Logic to handle installation of ASEC applications, including copying and 9437 * renaming logic. 9438 */ 9439 class AsecInstallArgs extends InstallArgs { 9440 // TODO: teach about handling cluster directories 9441 9442 static final String RES_FILE_NAME = "pkg.apk"; 9443 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9444 9445 String cid; 9446 String packagePath; 9447 String resourcePath; 9448 String legacyNativeLibraryDir; 9449 9450 /** New install */ 9451 AsecInstallArgs(InstallParams params) { 9452 super(params.originFile, params.originStaged, params.observer, params.flags, 9453 params.installerPackageName, params.getManifestDigest(), 9454 params.getUser(), null /* instruction sets */, 9455 params.packageAbiOverride, params.multiArch); 9456 } 9457 9458 /** Existing install */ 9459 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9460 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9461 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9462 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9463 instructionSets, null, isMultiArch); 9464 // Extract cid from fullCodePath 9465 int eidx = fullCodePath.lastIndexOf("/"); 9466 String subStr1 = fullCodePath.substring(0, eidx); 9467 int sidx = subStr1.lastIndexOf("/"); 9468 cid = subStr1.substring(sidx+1, eidx); 9469 setCachePath(subStr1); 9470 } 9471 9472 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked, 9473 boolean isMultiArch) { 9474 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9475 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9476 instructionSets, null, isMultiArch); 9477 this.cid = cid; 9478 setCachePath(PackageHelper.getSdDir(cid)); 9479 } 9480 9481 /** New install from existing */ 9482 AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets, 9483 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9484 super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9485 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9486 instructionSets, null, isMultiArch); 9487 this.cid = cid; 9488 } 9489 9490 void createCopyFile() { 9491 cid = getTempContainerId(); 9492 } 9493 9494 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9495 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9496 abiOverride); 9497 } 9498 9499 private final boolean isExternal() { 9500 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9501 } 9502 9503 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9504 if (temp) { 9505 createCopyFile(); 9506 } else { 9507 /* 9508 * Pre-emptively destroy the container since it's destroyed if 9509 * copying fails due to it existing anyway. 9510 */ 9511 PackageHelper.destroySdDir(cid); 9512 } 9513 9514 final String newCachePath = imcs.copyPackageToContainer( 9515 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9516 isFwdLocked(), abiOverride); 9517 9518 if (newCachePath != null) { 9519 setCachePath(newCachePath); 9520 return PackageManager.INSTALL_SUCCEEDED; 9521 } else { 9522 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9523 } 9524 } 9525 9526 @Override 9527 String getCodePath() { 9528 return packagePath; 9529 } 9530 9531 @Override 9532 String getResourcePath() { 9533 return resourcePath; 9534 } 9535 9536 @Override 9537 String getLegacyNativeLibraryPath() { 9538 return legacyNativeLibraryDir; 9539 } 9540 9541 int doPreInstall(int status) { 9542 if (status != PackageManager.INSTALL_SUCCEEDED) { 9543 // Destroy container 9544 PackageHelper.destroySdDir(cid); 9545 } else { 9546 boolean mounted = PackageHelper.isContainerMounted(cid); 9547 if (!mounted) { 9548 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9549 Process.SYSTEM_UID); 9550 if (newCachePath != null) { 9551 setCachePath(newCachePath); 9552 } else { 9553 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9554 } 9555 } 9556 } 9557 return status; 9558 } 9559 9560 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9561 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9562 String newCachePath = null; 9563 if (PackageHelper.isContainerMounted(cid)) { 9564 // Unmount the container 9565 if (!PackageHelper.unMountSdDir(cid)) { 9566 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9567 return false; 9568 } 9569 } 9570 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9571 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9572 " which might be stale. Will try to clean up."); 9573 // Clean up the stale container and proceed to recreate. 9574 if (!PackageHelper.destroySdDir(newCacheId)) { 9575 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9576 return false; 9577 } 9578 // Successfully cleaned up stale container. Try to rename again. 9579 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9580 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9581 + " inspite of cleaning it up."); 9582 return false; 9583 } 9584 } 9585 if (!PackageHelper.isContainerMounted(newCacheId)) { 9586 Slog.w(TAG, "Mounting container " + newCacheId); 9587 newCachePath = PackageHelper.mountSdDir(newCacheId, 9588 getEncryptKey(), Process.SYSTEM_UID); 9589 } else { 9590 newCachePath = PackageHelper.getSdDir(newCacheId); 9591 } 9592 if (newCachePath == null) { 9593 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9594 return false; 9595 } 9596 Log.i(TAG, "Succesfully renamed " + cid + 9597 " to " + newCacheId + 9598 " at new path: " + newCachePath); 9599 cid = newCacheId; 9600 setCachePath(newCachePath); 9601 9602 // TODO: extend to support split APKs 9603 pkg.codePath = getCodePath(); 9604 pkg.baseCodePath = getCodePath(); 9605 pkg.splitCodePaths = null; 9606 9607 pkg.applicationInfo.setCodePath(getCodePath()); 9608 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9609 pkg.applicationInfo.setSplitCodePaths(null); 9610 pkg.applicationInfo.setResourcePath(getResourcePath()); 9611 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9612 pkg.applicationInfo.setSplitResourcePaths(null); 9613 9614 return true; 9615 } 9616 9617 private void setCachePath(String newCachePath) { 9618 File cachePath = new File(newCachePath); 9619 legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath(); 9620 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9621 9622 if (isFwdLocked()) { 9623 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9624 } else { 9625 resourcePath = packagePath; 9626 } 9627 } 9628 9629 int doPostInstall(int status, int uid) { 9630 if (status != PackageManager.INSTALL_SUCCEEDED) { 9631 cleanUp(); 9632 } else { 9633 final int groupOwner; 9634 final String protectedFile; 9635 if (isFwdLocked()) { 9636 groupOwner = UserHandle.getSharedAppGid(uid); 9637 protectedFile = RES_FILE_NAME; 9638 } else { 9639 groupOwner = -1; 9640 protectedFile = null; 9641 } 9642 9643 if (uid < Process.FIRST_APPLICATION_UID 9644 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9645 Slog.e(TAG, "Failed to finalize " + cid); 9646 PackageHelper.destroySdDir(cid); 9647 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9648 } 9649 9650 boolean mounted = PackageHelper.isContainerMounted(cid); 9651 if (!mounted) { 9652 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9653 } 9654 } 9655 return status; 9656 } 9657 9658 private void cleanUp() { 9659 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9660 9661 // Destroy secure container 9662 PackageHelper.destroySdDir(cid); 9663 } 9664 9665 void cleanUpResourcesLI() { 9666 String sourceFile = getCodePath(); 9667 // Remove dex file 9668 if (instructionSets == null) { 9669 throw new IllegalStateException("instructionSet == null"); 9670 } 9671 for (String instructionSet : instructionSets) { 9672 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9673 if (retCode < 0) { 9674 Slog.w(TAG, "Couldn't remove dex file for package: " 9675 + " at location " 9676 + sourceFile.toString() + ", retcode=" + retCode); 9677 // we don't consider this to be a failure of the core package deletion 9678 } 9679 } 9680 cleanUp(); 9681 } 9682 9683 boolean matchContainer(String app) { 9684 if (cid.startsWith(app)) { 9685 return true; 9686 } 9687 return false; 9688 } 9689 9690 String getPackageName() { 9691 return getAsecPackageName(cid); 9692 } 9693 9694 boolean doPostDeleteLI(boolean delete) { 9695 boolean ret = false; 9696 boolean mounted = PackageHelper.isContainerMounted(cid); 9697 if (mounted) { 9698 // Unmount first 9699 ret = PackageHelper.unMountSdDir(cid); 9700 } 9701 if (ret && delete) { 9702 cleanUpResourcesLI(); 9703 } 9704 return ret; 9705 } 9706 9707 @Override 9708 int doPreCopy() { 9709 if (isFwdLocked()) { 9710 if (!PackageHelper.fixSdPermissions(cid, 9711 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9712 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9713 } 9714 } 9715 9716 return PackageManager.INSTALL_SUCCEEDED; 9717 } 9718 9719 @Override 9720 int doPostCopy(int uid) { 9721 if (isFwdLocked()) { 9722 if (uid < Process.FIRST_APPLICATION_UID 9723 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9724 RES_FILE_NAME)) { 9725 Slog.e(TAG, "Failed to finalize " + cid); 9726 PackageHelper.destroySdDir(cid); 9727 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9728 } 9729 } 9730 9731 return PackageManager.INSTALL_SUCCEEDED; 9732 } 9733 } 9734 9735 static String getAsecPackageName(String packageCid) { 9736 int idx = packageCid.lastIndexOf("-"); 9737 if (idx == -1) { 9738 return packageCid; 9739 } 9740 return packageCid.substring(0, idx); 9741 } 9742 9743 // Utility method used to create code paths based on package name and available index. 9744 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9745 String idxStr = ""; 9746 int idx = 1; 9747 // Fall back to default value of idx=1 if prefix is not 9748 // part of oldCodePath 9749 if (oldCodePath != null) { 9750 String subStr = oldCodePath; 9751 // Drop the suffix right away 9752 if (suffix != null && subStr.endsWith(suffix)) { 9753 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9754 } 9755 // If oldCodePath already contains prefix find out the 9756 // ending index to either increment or decrement. 9757 int sidx = subStr.lastIndexOf(prefix); 9758 if (sidx != -1) { 9759 subStr = subStr.substring(sidx + prefix.length()); 9760 if (subStr != null) { 9761 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9762 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9763 } 9764 try { 9765 idx = Integer.parseInt(subStr); 9766 if (idx <= 1) { 9767 idx++; 9768 } else { 9769 idx--; 9770 } 9771 } catch(NumberFormatException e) { 9772 } 9773 } 9774 } 9775 } 9776 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9777 return prefix + idxStr; 9778 } 9779 9780 // Utility method used to ignore ADD/REMOVE events 9781 // by directory observer. 9782 private static boolean ignoreCodePath(String fullPathStr) { 9783 String apkName = deriveCodePathName(fullPathStr); 9784 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9785 if (idx != -1 && ((idx+1) < apkName.length())) { 9786 // Make sure the package ends with a numeral 9787 String version = apkName.substring(idx+1); 9788 try { 9789 Integer.parseInt(version); 9790 return true; 9791 } catch (NumberFormatException e) {} 9792 } 9793 return false; 9794 } 9795 9796 // Utility method that returns the relative package path with respect 9797 // to the installation directory. Like say for /data/data/com.test-1.apk 9798 // string com.test-1 is returned. 9799 static String deriveCodePathName(String codePath) { 9800 if (codePath == null) { 9801 return null; 9802 } 9803 final File codeFile = new File(codePath); 9804 final String name = codeFile.getName(); 9805 if (codeFile.isDirectory()) { 9806 return name; 9807 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9808 final int lastDot = name.lastIndexOf('.'); 9809 return name.substring(0, lastDot); 9810 } else { 9811 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9812 return null; 9813 } 9814 } 9815 9816 class PackageInstalledInfo { 9817 String name; 9818 int uid; 9819 // The set of users that originally had this package installed. 9820 int[] origUsers; 9821 // The set of users that now have this package installed. 9822 int[] newUsers; 9823 PackageParser.Package pkg; 9824 int returnCode; 9825 PackageRemovedInfo removedInfo; 9826 9827 // In some error cases we want to convey more info back to the observer 9828 String origPackage; 9829 String origPermission; 9830 } 9831 9832 /* 9833 * Install a non-existing package. 9834 */ 9835 private void installNewPackageLI(PackageParser.Package pkg, 9836 int parseFlags, int scanMode, UserHandle user, 9837 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9838 // Remember this for later, in case we need to rollback this install 9839 String pkgName = pkg.packageName; 9840 9841 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9842 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9843 synchronized(mPackages) { 9844 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9845 // A package with the same name is already installed, though 9846 // it has been renamed to an older name. The package we 9847 // are trying to install should be installed as an update to 9848 // the existing one, but that has not been requested, so bail. 9849 Slog.w(TAG, "Attempt to re-install " + pkgName 9850 + " without first uninstalling package running as " 9851 + mSettings.mRenamedPackages.get(pkgName)); 9852 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9853 return; 9854 } 9855 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9856 // Don't allow installation over an existing package with the same name. 9857 Slog.w(TAG, "Attempt to re-install " + pkgName 9858 + " without first uninstalling."); 9859 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9860 return; 9861 } 9862 } 9863 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9864 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9865 System.currentTimeMillis(), user, abiOverride); 9866 if (newPackage == null) { 9867 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9868 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9869 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9870 } 9871 } else { 9872 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9873 // delete the partially installed application. the data directory will have to be 9874 // restored if it was already existing 9875 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9876 // remove package from internal structures. Note that we want deletePackageX to 9877 // delete the package data and cache directories that it created in 9878 // scanPackageLocked, unless those directories existed before we even tried to 9879 // install. 9880 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9881 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9882 res.removedInfo, true); 9883 } 9884 } 9885 } 9886 9887 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9888 // Upgrade keysets are being used. Determine if new package has a superset of the 9889 // required keys. 9890 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9891 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9892 Set<Long> newSigningKeyIds = new ArraySet<Long>(); 9893 for (PublicKey pk : newPkg.mSigningKeys) { 9894 newSigningKeyIds.add(ksms.getIdForPublicKey(pk)); 9895 } 9896 //remove PUBLIC_KEY_NOT_FOUND, although not necessary 9897 newSigningKeyIds.remove(ksms.PUBLIC_KEY_NOT_FOUND); 9898 for (int i = 0; i < upgradeKeySets.length; i++) { 9899 if (newSigningKeyIds.containsAll(ksms.mKeySetMapping.get(upgradeKeySets[i]))) { 9900 return true; 9901 } 9902 } 9903 return false; 9904 } 9905 9906 private void replacePackageLI(PackageParser.Package pkg, 9907 int parseFlags, int scanMode, UserHandle user, 9908 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9909 PackageParser.Package oldPackage; 9910 String pkgName = pkg.packageName; 9911 int[] allUsers; 9912 boolean[] perUserInstalled; 9913 9914 // First find the old package info and check signatures 9915 synchronized(mPackages) { 9916 oldPackage = mPackages.get(pkgName); 9917 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9918 PackageSetting ps = mSettings.mPackages.get(pkgName); 9919 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9920 // default to original signature matching 9921 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9922 != PackageManager.SIGNATURE_MATCH) { 9923 Slog.w(TAG, "New package has a different signature: " + pkgName); 9924 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9925 return; 9926 } 9927 } else { 9928 if(!checkUpgradeKeySetLP(ps, pkg)) { 9929 Slog.w(TAG, "New package not signed by keys specified by upgrade-keysets: " 9930 + pkgName); 9931 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9932 return; 9933 } 9934 } 9935 9936 // In case of rollback, remember per-user/profile install state 9937 allUsers = sUserManager.getUserIds(); 9938 perUserInstalled = new boolean[allUsers.length]; 9939 for (int i = 0; i < allUsers.length; i++) { 9940 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9941 } 9942 } 9943 boolean sysPkg = (isSystemApp(oldPackage)); 9944 if (sysPkg) { 9945 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9946 user, allUsers, perUserInstalled, installerPackageName, res, 9947 abiOverride); 9948 } else { 9949 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9950 user, allUsers, perUserInstalled, installerPackageName, res, 9951 abiOverride); 9952 } 9953 } 9954 9955 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9956 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9957 int[] allUsers, boolean[] perUserInstalled, 9958 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9959 PackageParser.Package newPackage = null; 9960 String pkgName = deletedPackage.packageName; 9961 boolean deletedPkg = true; 9962 boolean updatedSettings = false; 9963 9964 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9965 + deletedPackage); 9966 long origUpdateTime; 9967 if (pkg.mExtras != null) { 9968 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9969 } else { 9970 origUpdateTime = 0; 9971 } 9972 9973 // First delete the existing package while retaining the data directory 9974 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9975 res.removedInfo, true)) { 9976 // If the existing package wasn't successfully deleted 9977 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9978 deletedPkg = false; 9979 } else { 9980 // Successfully deleted the old package. Now proceed with re-installation 9981 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9982 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9983 System.currentTimeMillis(), user, abiOverride); 9984 if (newPackage == null) { 9985 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9986 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9987 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9988 } 9989 } else { 9990 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9991 updatedSettings = true; 9992 } 9993 } 9994 9995 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9996 // remove package from internal structures. Note that we want deletePackageX to 9997 // delete the package data and cache directories that it created in 9998 // scanPackageLocked, unless those directories existed before we even tried to 9999 // install. 10000 if(updatedSettings) { 10001 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10002 deletePackageLI( 10003 pkgName, null, true, allUsers, perUserInstalled, 10004 PackageManager.DELETE_KEEP_DATA, 10005 res.removedInfo, true); 10006 } 10007 // Since we failed to install the new package we need to restore the old 10008 // package that we deleted. 10009 if (deletedPkg) { 10010 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10011 File restoreFile = new File(deletedPackage.codePath); 10012 // Parse old package 10013 boolean oldOnSd = isExternal(deletedPackage); 10014 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10015 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10016 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10017 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10018 | SCAN_UPDATE_TIME; 10019 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 10020 origUpdateTime, null, null) == null) { 10021 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 10022 return; 10023 } 10024 // Restore of old package succeeded. Update permissions. 10025 // writer 10026 synchronized (mPackages) { 10027 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10028 UPDATE_PERMISSIONS_ALL); 10029 // can downgrade to reader 10030 mSettings.writeLPr(); 10031 } 10032 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10033 } 10034 } 10035 } 10036 10037 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10038 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10039 int[] allUsers, boolean[] perUserInstalled, 10040 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10041 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10042 + ", old=" + deletedPackage); 10043 PackageParser.Package newPackage = null; 10044 boolean updatedSettings = false; 10045 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10046 PackageParser.PARSE_IS_SYSTEM; 10047 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10048 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10049 } 10050 String packageName = deletedPackage.packageName; 10051 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10052 if (packageName == null) { 10053 Slog.w(TAG, "Attempt to delete null packageName."); 10054 return; 10055 } 10056 PackageParser.Package oldPkg; 10057 PackageSetting oldPkgSetting; 10058 // reader 10059 synchronized (mPackages) { 10060 oldPkg = mPackages.get(packageName); 10061 oldPkgSetting = mSettings.mPackages.get(packageName); 10062 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10063 (oldPkgSetting == null)) { 10064 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10065 return; 10066 } 10067 } 10068 10069 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10070 10071 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10072 res.removedInfo.removedPackage = packageName; 10073 // Remove existing system package 10074 removePackageLI(oldPkgSetting, true); 10075 // writer 10076 synchronized (mPackages) { 10077 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10078 // We didn't need to disable the .apk as a current system package, 10079 // which means we are replacing another update that is already 10080 // installed. We need to make sure to delete the older one's .apk. 10081 res.removedInfo.args = createInstallArgsForExisting(0, 10082 deletedPackage.applicationInfo.getCodePath(), 10083 deletedPackage.applicationInfo.getResourcePath(), 10084 deletedPackage.applicationInfo.nativeLibraryRootDir, 10085 getAppDexInstructionSets(deletedPackage.applicationInfo), 10086 isMultiArch(deletedPackage.applicationInfo)); 10087 } else { 10088 res.removedInfo.args = null; 10089 } 10090 } 10091 10092 // Successfully disabled the old package. Now proceed with re-installation 10093 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10094 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10095 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10096 if (newPackage == null) { 10097 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10098 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10099 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10100 } 10101 } else { 10102 if (newPackage.mExtras != null) { 10103 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10104 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10105 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10106 10107 // is the update attempting to change shared user? that isn't going to work... 10108 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10109 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10110 + " to " + newPkgSetting.sharedUser); 10111 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10112 updatedSettings = true; 10113 } 10114 } 10115 10116 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10117 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10118 updatedSettings = true; 10119 } 10120 } 10121 10122 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10123 // Re installation failed. Restore old information 10124 // Remove new pkg information 10125 if (newPackage != null) { 10126 removeInstalledPackageLI(newPackage, true); 10127 } 10128 // Add back the old system package 10129 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10130 // Restore the old system information in Settings 10131 synchronized(mPackages) { 10132 if (updatedSettings) { 10133 mSettings.enableSystemPackageLPw(packageName); 10134 mSettings.setInstallerPackageName(packageName, 10135 oldPkgSetting.installerPackageName); 10136 } 10137 mSettings.writeLPr(); 10138 } 10139 } 10140 } 10141 10142 // Utility method used to move dex files during install. 10143 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10144 // TODO: extend to move split APK dex files 10145 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10146 final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo); 10147 for (String instructionSet : instructionSets) { 10148 int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath, 10149 instructionSet); 10150 if (retCode != 0) { 10151 /* 10152 * Programs may be lazily run through dexopt, so the 10153 * source may not exist. However, something seems to 10154 * have gone wrong, so note that dexopt needs to be 10155 * run again and remove the source file. In addition, 10156 * remove the target to make sure there isn't a stale 10157 * file from a previous version of the package. 10158 */ 10159 newPackage.mDexOptNeeded = true; 10160 mInstaller.rmdex(oldCodePath, instructionSet); 10161 mInstaller.rmdex(newPackage.baseCodePath, instructionSet); 10162 } 10163 } 10164 } 10165 return PackageManager.INSTALL_SUCCEEDED; 10166 } 10167 10168 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10169 int[] allUsers, boolean[] perUserInstalled, 10170 PackageInstalledInfo res) { 10171 String pkgName = newPackage.packageName; 10172 synchronized (mPackages) { 10173 //write settings. the installStatus will be incomplete at this stage. 10174 //note that the new package setting would have already been 10175 //added to mPackages. It hasn't been persisted yet. 10176 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10177 mSettings.writeLPr(); 10178 } 10179 10180 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10181 10182 synchronized (mPackages) { 10183 updatePermissionsLPw(newPackage.packageName, newPackage, 10184 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10185 ? UPDATE_PERMISSIONS_ALL : 0)); 10186 // For system-bundled packages, we assume that installing an upgraded version 10187 // of the package implies that the user actually wants to run that new code, 10188 // so we enable the package. 10189 if (isSystemApp(newPackage)) { 10190 // NB: implicit assumption that system package upgrades apply to all users 10191 if (DEBUG_INSTALL) { 10192 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10193 } 10194 PackageSetting ps = mSettings.mPackages.get(pkgName); 10195 if (ps != null) { 10196 if (res.origUsers != null) { 10197 for (int userHandle : res.origUsers) { 10198 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10199 userHandle, installerPackageName); 10200 } 10201 } 10202 // Also convey the prior install/uninstall state 10203 if (allUsers != null && perUserInstalled != null) { 10204 for (int i = 0; i < allUsers.length; i++) { 10205 if (DEBUG_INSTALL) { 10206 Slog.d(TAG, " user " + allUsers[i] 10207 + " => " + perUserInstalled[i]); 10208 } 10209 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10210 } 10211 // these install state changes will be persisted in the 10212 // upcoming call to mSettings.writeLPr(). 10213 } 10214 } 10215 } 10216 res.name = pkgName; 10217 res.uid = newPackage.applicationInfo.uid; 10218 res.pkg = newPackage; 10219 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10220 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10221 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10222 //to update install status 10223 mSettings.writeLPr(); 10224 } 10225 } 10226 10227 private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { 10228 int pFlags = args.flags; 10229 String installerPackageName = args.installerPackageName; 10230 File tmpPackageFile = new File(args.getCodePath()); 10231 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10232 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10233 boolean replace = false; 10234 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10235 | (newInstall ? SCAN_NEW_INSTALL : 0); 10236 // Result object to be returned 10237 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10238 10239 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10240 // Retrieve PackageSettings and parse package 10241 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10242 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10243 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10244 PackageParser pp = new PackageParser(); 10245 pp.setSeparateProcesses(mSeparateProcesses); 10246 pp.setDisplayMetrics(mMetrics); 10247 10248 final PackageParser.Package pkg; 10249 try { 10250 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10251 } catch (PackageParserException e) { 10252 Slog.e(TAG, "Failed during install: " + e); 10253 res.returnCode = e.error; 10254 return; 10255 } 10256 10257 String pkgName = res.name = pkg.packageName; 10258 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10259 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10260 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10261 return; 10262 } 10263 } 10264 10265 try { 10266 pp.collectCertificates(pkg, parseFlags); 10267 pp.collectManifestDigest(pkg); 10268 } catch (PackageParserException e) { 10269 Slog.e(TAG, "Failed during install: " + e); 10270 res.returnCode = e.error; 10271 return; 10272 } 10273 10274 /* If the installer passed in a manifest digest, compare it now. */ 10275 if (args.manifestDigest != null) { 10276 if (DEBUG_INSTALL) { 10277 final String parsedManifest = pkg.manifestDigest == null ? "null" 10278 : pkg.manifestDigest.toString(); 10279 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10280 + parsedManifest); 10281 } 10282 10283 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10284 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10285 return; 10286 } 10287 } else if (DEBUG_INSTALL) { 10288 final String parsedManifest = pkg.manifestDigest == null 10289 ? "null" : pkg.manifestDigest.toString(); 10290 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10291 } 10292 10293 // Get rid of all references to package scan path via parser. 10294 pp = null; 10295 String oldCodePath = null; 10296 boolean systemApp = false; 10297 synchronized (mPackages) { 10298 // Check whether the newly-scanned package wants to define an already-defined perm 10299 int N = pkg.permissions.size(); 10300 for (int i = N-1; i >= 0; i--) { 10301 PackageParser.Permission perm = pkg.permissions.get(i); 10302 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10303 if (bp != null) { 10304 // If the defining package is signed with our cert, it's okay. This 10305 // also includes the "updating the same package" case, of course. 10306 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10307 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10308 // If the owning package is the system itself, we log but allow 10309 // install to proceed; we fail the install on all other permission 10310 // redefinitions. 10311 if (!bp.sourcePackage.equals("android")) { 10312 Slog.w(TAG, "Package " + pkg.packageName 10313 + " attempting to redeclare permission " + perm.info.name 10314 + " already owned by " + bp.sourcePackage); 10315 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10316 res.origPermission = perm.info.name; 10317 res.origPackage = bp.sourcePackage; 10318 return; 10319 } else { 10320 Slog.w(TAG, "Package " + pkg.packageName 10321 + " attempting to redeclare system permission " 10322 + perm.info.name + "; ignoring new declaration"); 10323 pkg.permissions.remove(i); 10324 } 10325 } 10326 } 10327 } 10328 10329 // Check if installing already existing package 10330 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10331 String oldName = mSettings.mRenamedPackages.get(pkgName); 10332 if (pkg.mOriginalPackages != null 10333 && pkg.mOriginalPackages.contains(oldName) 10334 && mPackages.containsKey(oldName)) { 10335 // This package is derived from an original package, 10336 // and this device has been updating from that original 10337 // name. We must continue using the original name, so 10338 // rename the new package here. 10339 pkg.setPackageName(oldName); 10340 pkgName = pkg.packageName; 10341 replace = true; 10342 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10343 + oldName + " pkgName=" + pkgName); 10344 } else if (mPackages.containsKey(pkgName)) { 10345 // This package, under its official name, already exists 10346 // on the device; we should replace it. 10347 replace = true; 10348 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10349 } 10350 } 10351 PackageSetting ps = mSettings.mPackages.get(pkgName); 10352 if (ps != null) { 10353 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10354 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10355 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10356 systemApp = (ps.pkg.applicationInfo.flags & 10357 ApplicationInfo.FLAG_SYSTEM) != 0; 10358 } 10359 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10360 } 10361 } 10362 10363 if (systemApp && onSd) { 10364 // Disable updates to system apps on sdcard 10365 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10366 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10367 return; 10368 } 10369 10370 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10371 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10372 return; 10373 } 10374 10375 if (replace) { 10376 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10377 installerPackageName, res, args.abiOverride); 10378 } else { 10379 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10380 installerPackageName, res, args.abiOverride); 10381 } 10382 synchronized (mPackages) { 10383 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10384 if (ps != null) { 10385 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10386 } 10387 } 10388 } 10389 10390 private static boolean isForwardLocked(PackageParser.Package pkg) { 10391 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10392 } 10393 10394 private static boolean isForwardLocked(ApplicationInfo info) { 10395 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10396 } 10397 10398 private boolean isForwardLocked(PackageSetting ps) { 10399 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10400 } 10401 10402 private static boolean isMultiArch(PackageSetting ps) { 10403 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10404 } 10405 10406 private static boolean isMultiArch(ApplicationInfo info) { 10407 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10408 } 10409 10410 private static boolean isExternal(PackageParser.Package pkg) { 10411 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10412 } 10413 10414 private static boolean isExternal(PackageSetting ps) { 10415 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10416 } 10417 10418 private static boolean isExternal(ApplicationInfo info) { 10419 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10420 } 10421 10422 private static boolean isSystemApp(PackageParser.Package pkg) { 10423 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10424 } 10425 10426 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10427 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10428 } 10429 10430 private static boolean isSystemApp(ApplicationInfo info) { 10431 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10432 } 10433 10434 private static boolean isSystemApp(PackageSetting ps) { 10435 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10436 } 10437 10438 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10439 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10440 } 10441 10442 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10443 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10444 } 10445 10446 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10447 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10448 } 10449 10450 private int packageFlagsToInstallFlags(PackageSetting ps) { 10451 int installFlags = 0; 10452 if (isExternal(ps)) { 10453 installFlags |= PackageManager.INSTALL_EXTERNAL; 10454 } 10455 if (isForwardLocked(ps)) { 10456 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10457 } 10458 return installFlags; 10459 } 10460 10461 private void deleteTempPackageFiles() { 10462 final FilenameFilter filter = new FilenameFilter() { 10463 public boolean accept(File dir, String name) { 10464 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10465 } 10466 }; 10467 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10468 file.delete(); 10469 } 10470 } 10471 10472 @Override 10473 public void deletePackageAsUser(final String packageName, 10474 final IPackageDeleteObserver observer, 10475 final int userId, final int flags) { 10476 mContext.enforceCallingOrSelfPermission( 10477 android.Manifest.permission.DELETE_PACKAGES, null); 10478 final int uid = Binder.getCallingUid(); 10479 if (UserHandle.getUserId(uid) != userId) { 10480 mContext.enforceCallingPermission( 10481 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10482 "deletePackage for user " + userId); 10483 } 10484 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10485 try { 10486 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10487 } catch (RemoteException re) { 10488 } 10489 return; 10490 } 10491 10492 boolean blocked = false; 10493 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10494 int[] users = sUserManager.getUserIds(); 10495 for (int i = 0; i < users.length; ++i) { 10496 if (getBlockUninstallForUser(packageName, users[i])) { 10497 blocked = true; 10498 break; 10499 } 10500 } 10501 } else { 10502 blocked = getBlockUninstallForUser(packageName, userId); 10503 } 10504 if (blocked) { 10505 try { 10506 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED); 10507 } catch (RemoteException re) { 10508 } 10509 return; 10510 } 10511 10512 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10513 // Queue up an async operation since the package deletion may take a little while. 10514 mHandler.post(new Runnable() { 10515 public void run() { 10516 mHandler.removeCallbacks(this); 10517 final int returnCode = deletePackageX(packageName, userId, flags); 10518 if (observer != null) { 10519 try { 10520 observer.packageDeleted(packageName, returnCode); 10521 } catch (RemoteException e) { 10522 Log.i(TAG, "Observer no longer exists."); 10523 } //end catch 10524 } //end if 10525 } //end run 10526 }); 10527 } 10528 10529 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10530 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10531 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10532 try { 10533 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10534 || dpm.isDeviceOwner(packageName))) { 10535 return true; 10536 } 10537 } catch (RemoteException e) { 10538 } 10539 return false; 10540 } 10541 10542 /** 10543 * This method is an internal method that could be get invoked either 10544 * to delete an installed package or to clean up a failed installation. 10545 * After deleting an installed package, a broadcast is sent to notify any 10546 * listeners that the package has been installed. For cleaning up a failed 10547 * installation, the broadcast is not necessary since the package's 10548 * installation wouldn't have sent the initial broadcast either 10549 * The key steps in deleting a package are 10550 * deleting the package information in internal structures like mPackages, 10551 * deleting the packages base directories through installd 10552 * updating mSettings to reflect current status 10553 * persisting settings for later use 10554 * sending a broadcast if necessary 10555 */ 10556 private int deletePackageX(String packageName, int userId, int flags) { 10557 final PackageRemovedInfo info = new PackageRemovedInfo(); 10558 final boolean res; 10559 10560 if (isPackageDeviceAdmin(packageName, userId)) { 10561 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10562 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10563 } 10564 10565 boolean removedForAllUsers = false; 10566 boolean systemUpdate = false; 10567 10568 // for the uninstall-updates case and restricted profiles, remember the per- 10569 // userhandle installed state 10570 int[] allUsers; 10571 boolean[] perUserInstalled; 10572 synchronized (mPackages) { 10573 PackageSetting ps = mSettings.mPackages.get(packageName); 10574 allUsers = sUserManager.getUserIds(); 10575 perUserInstalled = new boolean[allUsers.length]; 10576 for (int i = 0; i < allUsers.length; i++) { 10577 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10578 } 10579 } 10580 10581 synchronized (mInstallLock) { 10582 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10583 res = deletePackageLI(packageName, 10584 (flags & PackageManager.DELETE_ALL_USERS) != 0 10585 ? UserHandle.ALL : new UserHandle(userId), 10586 true, allUsers, perUserInstalled, 10587 flags | REMOVE_CHATTY, info, true); 10588 systemUpdate = info.isRemovedPackageSystemUpdate; 10589 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10590 removedForAllUsers = true; 10591 } 10592 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10593 + " removedForAllUsers=" + removedForAllUsers); 10594 } 10595 10596 if (res) { 10597 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10598 10599 // If the removed package was a system update, the old system package 10600 // was re-enabled; we need to broadcast this information 10601 if (systemUpdate) { 10602 Bundle extras = new Bundle(1); 10603 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10604 ? info.removedAppId : info.uid); 10605 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10606 10607 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10608 extras, null, null, null); 10609 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10610 extras, null, null, null); 10611 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10612 null, packageName, null, null); 10613 } 10614 } 10615 // Force a gc here. 10616 Runtime.getRuntime().gc(); 10617 // Delete the resources here after sending the broadcast to let 10618 // other processes clean up before deleting resources. 10619 if (info.args != null) { 10620 synchronized (mInstallLock) { 10621 info.args.doPostDeleteLI(true); 10622 } 10623 } 10624 10625 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10626 } 10627 10628 static class PackageRemovedInfo { 10629 String removedPackage; 10630 int uid = -1; 10631 int removedAppId = -1; 10632 int[] removedUsers = null; 10633 boolean isRemovedPackageSystemUpdate = false; 10634 // Clean up resources deleted packages. 10635 InstallArgs args = null; 10636 10637 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10638 Bundle extras = new Bundle(1); 10639 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10640 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10641 if (replacing) { 10642 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10643 } 10644 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10645 if (removedPackage != null) { 10646 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10647 extras, null, null, removedUsers); 10648 if (fullRemove && !replacing) { 10649 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10650 extras, null, null, removedUsers); 10651 } 10652 } 10653 if (removedAppId >= 0) { 10654 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10655 removedUsers); 10656 } 10657 } 10658 } 10659 10660 /* 10661 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10662 * flag is not set, the data directory is removed as well. 10663 * make sure this flag is set for partially installed apps. If not its meaningless to 10664 * delete a partially installed application. 10665 */ 10666 private void removePackageDataLI(PackageSetting ps, 10667 int[] allUserHandles, boolean[] perUserInstalled, 10668 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10669 String packageName = ps.name; 10670 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10671 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10672 // Retrieve object to delete permissions for shared user later on 10673 final PackageSetting deletedPs; 10674 // reader 10675 synchronized (mPackages) { 10676 deletedPs = mSettings.mPackages.get(packageName); 10677 if (outInfo != null) { 10678 outInfo.removedPackage = packageName; 10679 outInfo.removedUsers = deletedPs != null 10680 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10681 : null; 10682 } 10683 } 10684 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10685 removeDataDirsLI(packageName); 10686 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10687 } 10688 // writer 10689 synchronized (mPackages) { 10690 if (deletedPs != null) { 10691 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10692 if (outInfo != null) { 10693 mSettings.mKeySetManagerService.removeAppKeySetData(packageName); 10694 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10695 } 10696 if (deletedPs != null) { 10697 updatePermissionsLPw(deletedPs.name, null, 0); 10698 if (deletedPs.sharedUser != null) { 10699 // remove permissions associated with package 10700 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10701 } 10702 } 10703 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10704 } 10705 // make sure to preserve per-user disabled state if this removal was just 10706 // a downgrade of a system app to the factory package 10707 if (allUserHandles != null && perUserInstalled != null) { 10708 if (DEBUG_REMOVE) { 10709 Slog.d(TAG, "Propagating install state across downgrade"); 10710 } 10711 for (int i = 0; i < allUserHandles.length; i++) { 10712 if (DEBUG_REMOVE) { 10713 Slog.d(TAG, " user " + allUserHandles[i] 10714 + " => " + perUserInstalled[i]); 10715 } 10716 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10717 } 10718 } 10719 } 10720 // can downgrade to reader 10721 if (writeSettings) { 10722 // Save settings now 10723 mSettings.writeLPr(); 10724 } 10725 } 10726 if (outInfo != null) { 10727 // A user ID was deleted here. Go through all users and remove it 10728 // from KeyStore. 10729 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10730 } 10731 } 10732 10733 static boolean locationIsPrivileged(File path) { 10734 try { 10735 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10736 .getCanonicalPath(); 10737 return path.getCanonicalPath().startsWith(privilegedAppDir); 10738 } catch (IOException e) { 10739 Slog.e(TAG, "Unable to access code path " + path); 10740 } 10741 return false; 10742 } 10743 10744 /* 10745 * Tries to delete system package. 10746 */ 10747 private boolean deleteSystemPackageLI(PackageSetting newPs, 10748 int[] allUserHandles, boolean[] perUserInstalled, 10749 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10750 final boolean applyUserRestrictions 10751 = (allUserHandles != null) && (perUserInstalled != null); 10752 PackageSetting disabledPs = null; 10753 // Confirm if the system package has been updated 10754 // An updated system app can be deleted. This will also have to restore 10755 // the system pkg from system partition 10756 // reader 10757 synchronized (mPackages) { 10758 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10759 } 10760 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10761 + " disabledPs=" + disabledPs); 10762 if (disabledPs == null) { 10763 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10764 return false; 10765 } else if (DEBUG_REMOVE) { 10766 Slog.d(TAG, "Deleting system pkg from data partition"); 10767 } 10768 if (DEBUG_REMOVE) { 10769 if (applyUserRestrictions) { 10770 Slog.d(TAG, "Remembering install states:"); 10771 for (int i = 0; i < allUserHandles.length; i++) { 10772 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10773 } 10774 } 10775 } 10776 // Delete the updated package 10777 outInfo.isRemovedPackageSystemUpdate = true; 10778 if (disabledPs.versionCode < newPs.versionCode) { 10779 // Delete data for downgrades 10780 flags &= ~PackageManager.DELETE_KEEP_DATA; 10781 } else { 10782 // Preserve data by setting flag 10783 flags |= PackageManager.DELETE_KEEP_DATA; 10784 } 10785 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10786 allUserHandles, perUserInstalled, outInfo, writeSettings); 10787 if (!ret) { 10788 return false; 10789 } 10790 // writer 10791 synchronized (mPackages) { 10792 // Reinstate the old system package 10793 mSettings.enableSystemPackageLPw(newPs.name); 10794 // Remove any native libraries from the upgraded package. 10795 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10796 } 10797 // Install the system package 10798 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10799 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10800 if (locationIsPrivileged(disabledPs.codePath)) { 10801 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10802 } 10803 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10804 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10805 10806 if (newPkg == null) { 10807 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10808 + " with error:" + mLastScanError); 10809 return false; 10810 } 10811 // writer 10812 synchronized (mPackages) { 10813 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10814 setBundledAppAbisAndRoots(newPkg, ps); 10815 updatePermissionsLPw(newPkg.packageName, newPkg, 10816 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10817 if (applyUserRestrictions) { 10818 if (DEBUG_REMOVE) { 10819 Slog.d(TAG, "Propagating install state across reinstall"); 10820 } 10821 for (int i = 0; i < allUserHandles.length; i++) { 10822 if (DEBUG_REMOVE) { 10823 Slog.d(TAG, " user " + allUserHandles[i] 10824 + " => " + perUserInstalled[i]); 10825 } 10826 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10827 } 10828 // Regardless of writeSettings we need to ensure that this restriction 10829 // state propagation is persisted 10830 mSettings.writeAllUsersPackageRestrictionsLPr(); 10831 } 10832 // can downgrade to reader here 10833 if (writeSettings) { 10834 mSettings.writeLPr(); 10835 } 10836 } 10837 return true; 10838 } 10839 10840 private boolean deleteInstalledPackageLI(PackageSetting ps, 10841 boolean deleteCodeAndResources, int flags, 10842 int[] allUserHandles, boolean[] perUserInstalled, 10843 PackageRemovedInfo outInfo, boolean writeSettings) { 10844 if (outInfo != null) { 10845 outInfo.uid = ps.appId; 10846 } 10847 10848 // Delete package data from internal structures and also remove data if flag is set 10849 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10850 10851 // Delete application code and resources 10852 if (deleteCodeAndResources && (outInfo != null)) { 10853 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10854 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10855 getAppDexInstructionSets(ps), isMultiArch(ps)); 10856 } 10857 return true; 10858 } 10859 10860 @Override 10861 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10862 int userId) { 10863 mContext.enforceCallingOrSelfPermission( 10864 android.Manifest.permission.DELETE_PACKAGES, null); 10865 synchronized (mPackages) { 10866 PackageSetting ps = mSettings.mPackages.get(packageName); 10867 if (ps == null) { 10868 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10869 return false; 10870 } 10871 if (!ps.getInstalled(userId)) { 10872 // Can't block uninstall for an app that is not installed or enabled. 10873 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10874 return false; 10875 } 10876 ps.setBlockUninstall(blockUninstall, userId); 10877 mSettings.writePackageRestrictionsLPr(userId); 10878 } 10879 return true; 10880 } 10881 10882 @Override 10883 public boolean getBlockUninstallForUser(String packageName, int userId) { 10884 synchronized (mPackages) { 10885 PackageSetting ps = mSettings.mPackages.get(packageName); 10886 if (ps == null) { 10887 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10888 return false; 10889 } 10890 return ps.getBlockUninstall(userId); 10891 } 10892 } 10893 10894 /* 10895 * This method handles package deletion in general 10896 */ 10897 private boolean deletePackageLI(String packageName, UserHandle user, 10898 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10899 int flags, PackageRemovedInfo outInfo, 10900 boolean writeSettings) { 10901 if (packageName == null) { 10902 Slog.w(TAG, "Attempt to delete null packageName."); 10903 return false; 10904 } 10905 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10906 PackageSetting ps; 10907 boolean dataOnly = false; 10908 int removeUser = -1; 10909 int appId = -1; 10910 synchronized (mPackages) { 10911 ps = mSettings.mPackages.get(packageName); 10912 if (ps == null) { 10913 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10914 return false; 10915 } 10916 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10917 && user.getIdentifier() != UserHandle.USER_ALL) { 10918 // The caller is asking that the package only be deleted for a single 10919 // user. To do this, we just mark its uninstalled state and delete 10920 // its data. If this is a system app, we only allow this to happen if 10921 // they have set the special DELETE_SYSTEM_APP which requests different 10922 // semantics than normal for uninstalling system apps. 10923 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10924 ps.setUserState(user.getIdentifier(), 10925 COMPONENT_ENABLED_STATE_DEFAULT, 10926 false, //installed 10927 true, //stopped 10928 true, //notLaunched 10929 false, //blocked 10930 null, null, null, 10931 false // blockUninstall 10932 ); 10933 if (!isSystemApp(ps)) { 10934 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10935 // Other user still have this package installed, so all 10936 // we need to do is clear this user's data and save that 10937 // it is uninstalled. 10938 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10939 removeUser = user.getIdentifier(); 10940 appId = ps.appId; 10941 mSettings.writePackageRestrictionsLPr(removeUser); 10942 } else { 10943 // We need to set it back to 'installed' so the uninstall 10944 // broadcasts will be sent correctly. 10945 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10946 ps.setInstalled(true, user.getIdentifier()); 10947 } 10948 } else { 10949 // This is a system app, so we assume that the 10950 // other users still have this package installed, so all 10951 // we need to do is clear this user's data and save that 10952 // it is uninstalled. 10953 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10954 removeUser = user.getIdentifier(); 10955 appId = ps.appId; 10956 mSettings.writePackageRestrictionsLPr(removeUser); 10957 } 10958 } 10959 } 10960 10961 if (removeUser >= 0) { 10962 // From above, we determined that we are deleting this only 10963 // for a single user. Continue the work here. 10964 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10965 if (outInfo != null) { 10966 outInfo.removedPackage = packageName; 10967 outInfo.removedAppId = appId; 10968 outInfo.removedUsers = new int[] {removeUser}; 10969 } 10970 mInstaller.clearUserData(packageName, removeUser); 10971 removeKeystoreDataIfNeeded(removeUser, appId); 10972 schedulePackageCleaning(packageName, removeUser, false); 10973 return true; 10974 } 10975 10976 if (dataOnly) { 10977 // Delete application data first 10978 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10979 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10980 return true; 10981 } 10982 10983 boolean ret = false; 10984 if (isSystemApp(ps)) { 10985 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10986 // When an updated system application is deleted we delete the existing resources as well and 10987 // fall back to existing code in system partition 10988 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10989 flags, outInfo, writeSettings); 10990 } else { 10991 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10992 // Kill application pre-emptively especially for apps on sd. 10993 killApplication(packageName, ps.appId, "uninstall pkg"); 10994 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10995 allUserHandles, perUserInstalled, 10996 outInfo, writeSettings); 10997 } 10998 10999 return ret; 11000 } 11001 11002 private final class ClearStorageConnection implements ServiceConnection { 11003 IMediaContainerService mContainerService; 11004 11005 @Override 11006 public void onServiceConnected(ComponentName name, IBinder service) { 11007 synchronized (this) { 11008 mContainerService = IMediaContainerService.Stub.asInterface(service); 11009 notifyAll(); 11010 } 11011 } 11012 11013 @Override 11014 public void onServiceDisconnected(ComponentName name) { 11015 } 11016 } 11017 11018 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11019 final boolean mounted; 11020 if (Environment.isExternalStorageEmulated()) { 11021 mounted = true; 11022 } else { 11023 final String status = Environment.getExternalStorageState(); 11024 11025 mounted = status.equals(Environment.MEDIA_MOUNTED) 11026 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11027 } 11028 11029 if (!mounted) { 11030 return; 11031 } 11032 11033 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11034 int[] users; 11035 if (userId == UserHandle.USER_ALL) { 11036 users = sUserManager.getUserIds(); 11037 } else { 11038 users = new int[] { userId }; 11039 } 11040 final ClearStorageConnection conn = new ClearStorageConnection(); 11041 if (mContext.bindServiceAsUser( 11042 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11043 try { 11044 for (int curUser : users) { 11045 long timeout = SystemClock.uptimeMillis() + 5000; 11046 synchronized (conn) { 11047 long now = SystemClock.uptimeMillis(); 11048 while (conn.mContainerService == null && now < timeout) { 11049 try { 11050 conn.wait(timeout - now); 11051 } catch (InterruptedException e) { 11052 } 11053 } 11054 } 11055 if (conn.mContainerService == null) { 11056 return; 11057 } 11058 11059 final UserEnvironment userEnv = new UserEnvironment(curUser); 11060 clearDirectory(conn.mContainerService, 11061 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11062 if (allData) { 11063 clearDirectory(conn.mContainerService, 11064 userEnv.buildExternalStorageAppDataDirs(packageName)); 11065 clearDirectory(conn.mContainerService, 11066 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11067 } 11068 } 11069 } finally { 11070 mContext.unbindService(conn); 11071 } 11072 } 11073 } 11074 11075 @Override 11076 public void clearApplicationUserData(final String packageName, 11077 final IPackageDataObserver observer, final int userId) { 11078 mContext.enforceCallingOrSelfPermission( 11079 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11080 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11081 // Queue up an async operation since the package deletion may take a little while. 11082 mHandler.post(new Runnable() { 11083 public void run() { 11084 mHandler.removeCallbacks(this); 11085 final boolean succeeded; 11086 synchronized (mInstallLock) { 11087 succeeded = clearApplicationUserDataLI(packageName, userId); 11088 } 11089 clearExternalStorageDataSync(packageName, userId, true); 11090 if (succeeded) { 11091 // invoke DeviceStorageMonitor's update method to clear any notifications 11092 DeviceStorageMonitorInternal 11093 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11094 if (dsm != null) { 11095 dsm.checkMemory(); 11096 } 11097 } 11098 if(observer != null) { 11099 try { 11100 observer.onRemoveCompleted(packageName, succeeded); 11101 } catch (RemoteException e) { 11102 Log.i(TAG, "Observer no longer exists."); 11103 } 11104 } //end if observer 11105 } //end run 11106 }); 11107 } 11108 11109 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11110 if (packageName == null) { 11111 Slog.w(TAG, "Attempt to delete null packageName."); 11112 return false; 11113 } 11114 PackageParser.Package p; 11115 boolean dataOnly = false; 11116 final int appId; 11117 synchronized (mPackages) { 11118 p = mPackages.get(packageName); 11119 if (p == null) { 11120 dataOnly = true; 11121 PackageSetting ps = mSettings.mPackages.get(packageName); 11122 if ((ps == null) || (ps.pkg == null)) { 11123 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11124 return false; 11125 } 11126 p = ps.pkg; 11127 } 11128 if (!dataOnly) { 11129 // need to check this only for fully installed applications 11130 if (p == null) { 11131 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11132 return false; 11133 } 11134 final ApplicationInfo applicationInfo = p.applicationInfo; 11135 if (applicationInfo == null) { 11136 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11137 return false; 11138 } 11139 } 11140 if (p != null && p.applicationInfo != null) { 11141 appId = p.applicationInfo.uid; 11142 } else { 11143 appId = -1; 11144 } 11145 } 11146 int retCode = mInstaller.clearUserData(packageName, userId); 11147 if (retCode < 0) { 11148 Slog.w(TAG, "Couldn't remove cache files for package: " 11149 + packageName); 11150 return false; 11151 } 11152 removeKeystoreDataIfNeeded(userId, appId); 11153 return true; 11154 } 11155 11156 /** 11157 * Remove entries from the keystore daemon. Will only remove it if the 11158 * {@code appId} is valid. 11159 */ 11160 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11161 if (appId < 0) { 11162 return; 11163 } 11164 11165 final KeyStore keyStore = KeyStore.getInstance(); 11166 if (keyStore != null) { 11167 if (userId == UserHandle.USER_ALL) { 11168 for (final int individual : sUserManager.getUserIds()) { 11169 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11170 } 11171 } else { 11172 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11173 } 11174 } else { 11175 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11176 } 11177 } 11178 11179 @Override 11180 public void deleteApplicationCacheFiles(final String packageName, 11181 final IPackageDataObserver observer) { 11182 mContext.enforceCallingOrSelfPermission( 11183 android.Manifest.permission.DELETE_CACHE_FILES, null); 11184 // Queue up an async operation since the package deletion may take a little while. 11185 final int userId = UserHandle.getCallingUserId(); 11186 mHandler.post(new Runnable() { 11187 public void run() { 11188 mHandler.removeCallbacks(this); 11189 final boolean succeded; 11190 synchronized (mInstallLock) { 11191 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11192 } 11193 clearExternalStorageDataSync(packageName, userId, false); 11194 if(observer != null) { 11195 try { 11196 observer.onRemoveCompleted(packageName, succeded); 11197 } catch (RemoteException e) { 11198 Log.i(TAG, "Observer no longer exists."); 11199 } 11200 } //end if observer 11201 } //end run 11202 }); 11203 } 11204 11205 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11206 if (packageName == null) { 11207 Slog.w(TAG, "Attempt to delete null packageName."); 11208 return false; 11209 } 11210 PackageParser.Package p; 11211 synchronized (mPackages) { 11212 p = mPackages.get(packageName); 11213 } 11214 if (p == null) { 11215 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11216 return false; 11217 } 11218 final ApplicationInfo applicationInfo = p.applicationInfo; 11219 if (applicationInfo == null) { 11220 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11221 return false; 11222 } 11223 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11224 if (retCode < 0) { 11225 Slog.w(TAG, "Couldn't remove cache files for package: " 11226 + packageName + " u" + userId); 11227 return false; 11228 } 11229 return true; 11230 } 11231 11232 @Override 11233 public void getPackageSizeInfo(final String packageName, int userHandle, 11234 final IPackageStatsObserver observer) { 11235 mContext.enforceCallingOrSelfPermission( 11236 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11237 if (packageName == null) { 11238 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11239 } 11240 11241 PackageStats stats = new PackageStats(packageName, userHandle); 11242 11243 /* 11244 * Queue up an async operation since the package measurement may take a 11245 * little while. 11246 */ 11247 Message msg = mHandler.obtainMessage(INIT_COPY); 11248 msg.obj = new MeasureParams(stats, observer); 11249 mHandler.sendMessage(msg); 11250 } 11251 11252 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11253 PackageStats pStats) { 11254 if (packageName == null) { 11255 Slog.w(TAG, "Attempt to get size of null packageName."); 11256 return false; 11257 } 11258 PackageParser.Package p; 11259 boolean dataOnly = false; 11260 String libDirRoot = null; 11261 String asecPath = null; 11262 PackageSetting ps = null; 11263 synchronized (mPackages) { 11264 p = mPackages.get(packageName); 11265 ps = mSettings.mPackages.get(packageName); 11266 if(p == null) { 11267 dataOnly = true; 11268 if((ps == null) || (ps.pkg == null)) { 11269 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11270 return false; 11271 } 11272 p = ps.pkg; 11273 } 11274 if (ps != null) { 11275 libDirRoot = ps.legacyNativeLibraryPathString; 11276 } 11277 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11278 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11279 if (secureContainerId != null) { 11280 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11281 } 11282 } 11283 } 11284 String publicSrcDir = null; 11285 if(!dataOnly) { 11286 final ApplicationInfo applicationInfo = p.applicationInfo; 11287 if (applicationInfo == null) { 11288 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11289 return false; 11290 } 11291 if (isForwardLocked(p)) { 11292 publicSrcDir = applicationInfo.getBaseResourcePath(); 11293 } 11294 } 11295 // TODO: extend to measure size of split APKs 11296 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11297 // not just the first level. 11298 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11299 // just the primary. 11300 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11301 publicSrcDir, asecPath, getAppDexInstructionSets(ps), 11302 pStats); 11303 if (res < 0) { 11304 return false; 11305 } 11306 11307 // Fix-up for forward-locked applications in ASEC containers. 11308 if (!isExternal(p)) { 11309 pStats.codeSize += pStats.externalCodeSize; 11310 pStats.externalCodeSize = 0L; 11311 } 11312 11313 return true; 11314 } 11315 11316 11317 @Override 11318 public void addPackageToPreferred(String packageName) { 11319 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11320 } 11321 11322 @Override 11323 public void removePackageFromPreferred(String packageName) { 11324 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11325 } 11326 11327 @Override 11328 public List<PackageInfo> getPreferredPackages(int flags) { 11329 return new ArrayList<PackageInfo>(); 11330 } 11331 11332 private int getUidTargetSdkVersionLockedLPr(int uid) { 11333 Object obj = mSettings.getUserIdLPr(uid); 11334 if (obj instanceof SharedUserSetting) { 11335 final SharedUserSetting sus = (SharedUserSetting) obj; 11336 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11337 final Iterator<PackageSetting> it = sus.packages.iterator(); 11338 while (it.hasNext()) { 11339 final PackageSetting ps = it.next(); 11340 if (ps.pkg != null) { 11341 int v = ps.pkg.applicationInfo.targetSdkVersion; 11342 if (v < vers) vers = v; 11343 } 11344 } 11345 return vers; 11346 } else if (obj instanceof PackageSetting) { 11347 final PackageSetting ps = (PackageSetting) obj; 11348 if (ps.pkg != null) { 11349 return ps.pkg.applicationInfo.targetSdkVersion; 11350 } 11351 } 11352 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11353 } 11354 11355 @Override 11356 public void addPreferredActivity(IntentFilter filter, int match, 11357 ComponentName[] set, ComponentName activity, int userId) { 11358 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11359 } 11360 11361 private void addPreferredActivityInternal(IntentFilter filter, int match, 11362 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11363 // writer 11364 int callingUid = Binder.getCallingUid(); 11365 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11366 if (filter.countActions() == 0) { 11367 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11368 return; 11369 } 11370 synchronized (mPackages) { 11371 if (mContext.checkCallingOrSelfPermission( 11372 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11373 != PackageManager.PERMISSION_GRANTED) { 11374 if (getUidTargetSdkVersionLockedLPr(callingUid) 11375 < Build.VERSION_CODES.FROYO) { 11376 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11377 + callingUid); 11378 return; 11379 } 11380 mContext.enforceCallingOrSelfPermission( 11381 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11382 } 11383 11384 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11385 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11386 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11387 new PreferredActivity(filter, match, set, activity, always)); 11388 mSettings.writePackageRestrictionsLPr(userId); 11389 } 11390 } 11391 11392 @Override 11393 public void replacePreferredActivity(IntentFilter filter, int match, 11394 ComponentName[] set, ComponentName activity) { 11395 if (filter.countActions() != 1) { 11396 throw new IllegalArgumentException( 11397 "replacePreferredActivity expects filter to have only 1 action."); 11398 } 11399 if (filter.countDataAuthorities() != 0 11400 || filter.countDataPaths() != 0 11401 || filter.countDataSchemes() > 1 11402 || filter.countDataTypes() != 0) { 11403 throw new IllegalArgumentException( 11404 "replacePreferredActivity expects filter to have no data authorities, " + 11405 "paths, or types; and at most one scheme."); 11406 } 11407 synchronized (mPackages) { 11408 if (mContext.checkCallingOrSelfPermission( 11409 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11410 != PackageManager.PERMISSION_GRANTED) { 11411 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11412 < Build.VERSION_CODES.FROYO) { 11413 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11414 + Binder.getCallingUid()); 11415 return; 11416 } 11417 mContext.enforceCallingOrSelfPermission( 11418 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11419 } 11420 11421 final int callingUserId = UserHandle.getCallingUserId(); 11422 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11423 if (pir != null) { 11424 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11425 if (filter.countDataSchemes() == 1) { 11426 Uri.Builder builder = new Uri.Builder(); 11427 builder.scheme(filter.getDataScheme(0)); 11428 intent.setData(builder.build()); 11429 } 11430 List<PreferredActivity> matches = pir.queryIntent( 11431 intent, null, true, callingUserId); 11432 if (DEBUG_PREFERRED) { 11433 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11434 } 11435 for (int i = 0; i < matches.size(); i++) { 11436 PreferredActivity pa = matches.get(i); 11437 if (DEBUG_PREFERRED) { 11438 Slog.i(TAG, "Removing preferred activity " 11439 + pa.mPref.mComponent + ":"); 11440 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11441 } 11442 pir.removeFilter(pa); 11443 } 11444 } 11445 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11446 } 11447 } 11448 11449 @Override 11450 public void clearPackagePreferredActivities(String packageName) { 11451 final int uid = Binder.getCallingUid(); 11452 // writer 11453 synchronized (mPackages) { 11454 PackageParser.Package pkg = mPackages.get(packageName); 11455 if (pkg == null || pkg.applicationInfo.uid != uid) { 11456 if (mContext.checkCallingOrSelfPermission( 11457 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11458 != PackageManager.PERMISSION_GRANTED) { 11459 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11460 < Build.VERSION_CODES.FROYO) { 11461 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11462 + Binder.getCallingUid()); 11463 return; 11464 } 11465 mContext.enforceCallingOrSelfPermission( 11466 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11467 } 11468 } 11469 11470 int user = UserHandle.getCallingUserId(); 11471 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11472 mSettings.writePackageRestrictionsLPr(user); 11473 scheduleWriteSettingsLocked(); 11474 } 11475 } 11476 } 11477 11478 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11479 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11480 ArrayList<PreferredActivity> removed = null; 11481 boolean changed = false; 11482 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11483 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11484 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11485 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11486 continue; 11487 } 11488 Iterator<PreferredActivity> it = pir.filterIterator(); 11489 while (it.hasNext()) { 11490 PreferredActivity pa = it.next(); 11491 // Mark entry for removal only if it matches the package name 11492 // and the entry is of type "always". 11493 if (packageName == null || 11494 (pa.mPref.mComponent.getPackageName().equals(packageName) 11495 && pa.mPref.mAlways)) { 11496 if (removed == null) { 11497 removed = new ArrayList<PreferredActivity>(); 11498 } 11499 removed.add(pa); 11500 } 11501 } 11502 if (removed != null) { 11503 for (int j=0; j<removed.size(); j++) { 11504 PreferredActivity pa = removed.get(j); 11505 pir.removeFilter(pa); 11506 } 11507 changed = true; 11508 } 11509 } 11510 return changed; 11511 } 11512 11513 @Override 11514 public void resetPreferredActivities(int userId) { 11515 mContext.enforceCallingOrSelfPermission( 11516 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11517 // writer 11518 synchronized (mPackages) { 11519 int user = UserHandle.getCallingUserId(); 11520 clearPackagePreferredActivitiesLPw(null, user); 11521 mSettings.readDefaultPreferredAppsLPw(this, user); 11522 mSettings.writePackageRestrictionsLPr(user); 11523 scheduleWriteSettingsLocked(); 11524 } 11525 } 11526 11527 @Override 11528 public int getPreferredActivities(List<IntentFilter> outFilters, 11529 List<ComponentName> outActivities, String packageName) { 11530 11531 int num = 0; 11532 final int userId = UserHandle.getCallingUserId(); 11533 // reader 11534 synchronized (mPackages) { 11535 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11536 if (pir != null) { 11537 final Iterator<PreferredActivity> it = pir.filterIterator(); 11538 while (it.hasNext()) { 11539 final PreferredActivity pa = it.next(); 11540 if (packageName == null 11541 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11542 && pa.mPref.mAlways)) { 11543 if (outFilters != null) { 11544 outFilters.add(new IntentFilter(pa)); 11545 } 11546 if (outActivities != null) { 11547 outActivities.add(pa.mPref.mComponent); 11548 } 11549 } 11550 } 11551 } 11552 } 11553 11554 return num; 11555 } 11556 11557 @Override 11558 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11559 int userId) { 11560 int callingUid = Binder.getCallingUid(); 11561 if (callingUid != Process.SYSTEM_UID) { 11562 throw new SecurityException( 11563 "addPersistentPreferredActivity can only be run by the system"); 11564 } 11565 if (filter.countActions() == 0) { 11566 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11567 return; 11568 } 11569 synchronized (mPackages) { 11570 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11571 " :"); 11572 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11573 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11574 new PersistentPreferredActivity(filter, activity)); 11575 mSettings.writePackageRestrictionsLPr(userId); 11576 } 11577 } 11578 11579 @Override 11580 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11581 int callingUid = Binder.getCallingUid(); 11582 if (callingUid != Process.SYSTEM_UID) { 11583 throw new SecurityException( 11584 "clearPackagePersistentPreferredActivities can only be run by the system"); 11585 } 11586 ArrayList<PersistentPreferredActivity> removed = null; 11587 boolean changed = false; 11588 synchronized (mPackages) { 11589 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11590 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11591 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11592 .valueAt(i); 11593 if (userId != thisUserId) { 11594 continue; 11595 } 11596 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11597 while (it.hasNext()) { 11598 PersistentPreferredActivity ppa = it.next(); 11599 // Mark entry for removal only if it matches the package name. 11600 if (ppa.mComponent.getPackageName().equals(packageName)) { 11601 if (removed == null) { 11602 removed = new ArrayList<PersistentPreferredActivity>(); 11603 } 11604 removed.add(ppa); 11605 } 11606 } 11607 if (removed != null) { 11608 for (int j=0; j<removed.size(); j++) { 11609 PersistentPreferredActivity ppa = removed.get(j); 11610 ppir.removeFilter(ppa); 11611 } 11612 changed = true; 11613 } 11614 } 11615 11616 if (changed) { 11617 mSettings.writePackageRestrictionsLPr(userId); 11618 } 11619 } 11620 } 11621 11622 @Override 11623 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11624 int targetUserId, int flags) { 11625 mContext.enforceCallingOrSelfPermission( 11626 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11627 if (intentFilter.countActions() == 0) { 11628 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11629 return; 11630 } 11631 synchronized (mPackages) { 11632 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11633 targetUserId, flags); 11634 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11635 mSettings.writePackageRestrictionsLPr(sourceUserId); 11636 } 11637 } 11638 11639 public void addCrossProfileIntentsForPackage(String packageName, 11640 int sourceUserId, int targetUserId) { 11641 mContext.enforceCallingOrSelfPermission( 11642 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11643 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11644 mSettings.writePackageRestrictionsLPr(sourceUserId); 11645 } 11646 11647 public void removeCrossProfileIntentsForPackage(String packageName, 11648 int sourceUserId, int targetUserId) { 11649 mContext.enforceCallingOrSelfPermission( 11650 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11651 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11652 mSettings.writePackageRestrictionsLPr(sourceUserId); 11653 } 11654 11655 @Override 11656 public void clearCrossProfileIntentFilters(int sourceUserId) { 11657 mContext.enforceCallingOrSelfPermission( 11658 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11659 synchronized (mPackages) { 11660 CrossProfileIntentResolver resolver = 11661 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11662 HashSet<CrossProfileIntentFilter> set = 11663 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11664 for (CrossProfileIntentFilter filter : set) { 11665 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11666 resolver.removeFilter(filter); 11667 } 11668 } 11669 mSettings.writePackageRestrictionsLPr(sourceUserId); 11670 } 11671 } 11672 11673 @Override 11674 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11675 Intent intent = new Intent(Intent.ACTION_MAIN); 11676 intent.addCategory(Intent.CATEGORY_HOME); 11677 11678 final int callingUserId = UserHandle.getCallingUserId(); 11679 List<ResolveInfo> list = queryIntentActivities(intent, null, 11680 PackageManager.GET_META_DATA, callingUserId); 11681 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11682 true, false, false, callingUserId); 11683 11684 allHomeCandidates.clear(); 11685 if (list != null) { 11686 for (ResolveInfo ri : list) { 11687 allHomeCandidates.add(ri); 11688 } 11689 } 11690 return (preferred == null || preferred.activityInfo == null) 11691 ? null 11692 : new ComponentName(preferred.activityInfo.packageName, 11693 preferred.activityInfo.name); 11694 } 11695 11696 @Override 11697 public void setApplicationEnabledSetting(String appPackageName, 11698 int newState, int flags, int userId, String callingPackage) { 11699 if (!sUserManager.exists(userId)) return; 11700 if (callingPackage == null) { 11701 callingPackage = Integer.toString(Binder.getCallingUid()); 11702 } 11703 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11704 } 11705 11706 @Override 11707 public void setComponentEnabledSetting(ComponentName componentName, 11708 int newState, int flags, int userId) { 11709 if (!sUserManager.exists(userId)) return; 11710 setEnabledSetting(componentName.getPackageName(), 11711 componentName.getClassName(), newState, flags, userId, null); 11712 } 11713 11714 private void setEnabledSetting(final String packageName, String className, int newState, 11715 final int flags, int userId, String callingPackage) { 11716 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11717 || newState == COMPONENT_ENABLED_STATE_ENABLED 11718 || newState == COMPONENT_ENABLED_STATE_DISABLED 11719 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11720 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11721 throw new IllegalArgumentException("Invalid new component state: " 11722 + newState); 11723 } 11724 PackageSetting pkgSetting; 11725 final int uid = Binder.getCallingUid(); 11726 final int permission = mContext.checkCallingOrSelfPermission( 11727 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11728 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11729 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11730 boolean sendNow = false; 11731 boolean isApp = (className == null); 11732 String componentName = isApp ? packageName : className; 11733 int packageUid = -1; 11734 ArrayList<String> components; 11735 11736 // writer 11737 synchronized (mPackages) { 11738 pkgSetting = mSettings.mPackages.get(packageName); 11739 if (pkgSetting == null) { 11740 if (className == null) { 11741 throw new IllegalArgumentException( 11742 "Unknown package: " + packageName); 11743 } 11744 throw new IllegalArgumentException( 11745 "Unknown component: " + packageName 11746 + "/" + className); 11747 } 11748 // Allow root and verify that userId is not being specified by a different user 11749 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11750 throw new SecurityException( 11751 "Permission Denial: attempt to change component state from pid=" 11752 + Binder.getCallingPid() 11753 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11754 } 11755 if (className == null) { 11756 // We're dealing with an application/package level state change 11757 if (pkgSetting.getEnabled(userId) == newState) { 11758 // Nothing to do 11759 return; 11760 } 11761 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11762 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11763 // Don't care about who enables an app. 11764 callingPackage = null; 11765 } 11766 pkgSetting.setEnabled(newState, userId, callingPackage); 11767 // pkgSetting.pkg.mSetEnabled = newState; 11768 } else { 11769 // We're dealing with a component level state change 11770 // First, verify that this is a valid class name. 11771 PackageParser.Package pkg = pkgSetting.pkg; 11772 if (pkg == null || !pkg.hasComponentClassName(className)) { 11773 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11774 throw new IllegalArgumentException("Component class " + className 11775 + " does not exist in " + packageName); 11776 } else { 11777 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11778 + className + " does not exist in " + packageName); 11779 } 11780 } 11781 switch (newState) { 11782 case COMPONENT_ENABLED_STATE_ENABLED: 11783 if (!pkgSetting.enableComponentLPw(className, userId)) { 11784 return; 11785 } 11786 break; 11787 case COMPONENT_ENABLED_STATE_DISABLED: 11788 if (!pkgSetting.disableComponentLPw(className, userId)) { 11789 return; 11790 } 11791 break; 11792 case COMPONENT_ENABLED_STATE_DEFAULT: 11793 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11794 return; 11795 } 11796 break; 11797 default: 11798 Slog.e(TAG, "Invalid new component state: " + newState); 11799 return; 11800 } 11801 } 11802 mSettings.writePackageRestrictionsLPr(userId); 11803 components = mPendingBroadcasts.get(userId, packageName); 11804 final boolean newPackage = components == null; 11805 if (newPackage) { 11806 components = new ArrayList<String>(); 11807 } 11808 if (!components.contains(componentName)) { 11809 components.add(componentName); 11810 } 11811 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11812 sendNow = true; 11813 // Purge entry from pending broadcast list if another one exists already 11814 // since we are sending one right away. 11815 mPendingBroadcasts.remove(userId, packageName); 11816 } else { 11817 if (newPackage) { 11818 mPendingBroadcasts.put(userId, packageName, components); 11819 } 11820 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11821 // Schedule a message 11822 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11823 } 11824 } 11825 } 11826 11827 long callingId = Binder.clearCallingIdentity(); 11828 try { 11829 if (sendNow) { 11830 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11831 sendPackageChangedBroadcast(packageName, 11832 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11833 } 11834 } finally { 11835 Binder.restoreCallingIdentity(callingId); 11836 } 11837 } 11838 11839 private void sendPackageChangedBroadcast(String packageName, 11840 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11841 if (DEBUG_INSTALL) 11842 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11843 + componentNames); 11844 Bundle extras = new Bundle(4); 11845 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11846 String nameList[] = new String[componentNames.size()]; 11847 componentNames.toArray(nameList); 11848 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11849 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11850 extras.putInt(Intent.EXTRA_UID, packageUid); 11851 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11852 new int[] {UserHandle.getUserId(packageUid)}); 11853 } 11854 11855 @Override 11856 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11857 if (!sUserManager.exists(userId)) return; 11858 final int uid = Binder.getCallingUid(); 11859 final int permission = mContext.checkCallingOrSelfPermission( 11860 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11861 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11862 enforceCrossUserPermission(uid, userId, true, "stop package"); 11863 // writer 11864 synchronized (mPackages) { 11865 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11866 uid, userId)) { 11867 scheduleWritePackageRestrictionsLocked(userId); 11868 } 11869 } 11870 } 11871 11872 @Override 11873 public String getInstallerPackageName(String packageName) { 11874 // reader 11875 synchronized (mPackages) { 11876 return mSettings.getInstallerPackageNameLPr(packageName); 11877 } 11878 } 11879 11880 @Override 11881 public int getApplicationEnabledSetting(String packageName, int userId) { 11882 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11883 int uid = Binder.getCallingUid(); 11884 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11885 // reader 11886 synchronized (mPackages) { 11887 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11888 } 11889 } 11890 11891 @Override 11892 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11893 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11894 int uid = Binder.getCallingUid(); 11895 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11896 // reader 11897 synchronized (mPackages) { 11898 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11899 } 11900 } 11901 11902 @Override 11903 public void enterSafeMode() { 11904 enforceSystemOrRoot("Only the system can request entering safe mode"); 11905 11906 if (!mSystemReady) { 11907 mSafeMode = true; 11908 } 11909 } 11910 11911 @Override 11912 public void systemReady() { 11913 mSystemReady = true; 11914 11915 // Read the compatibilty setting when the system is ready. 11916 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11917 mContext.getContentResolver(), 11918 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11919 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11920 if (DEBUG_SETTINGS) { 11921 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11922 } 11923 11924 synchronized (mPackages) { 11925 // Verify that all of the preferred activity components actually 11926 // exist. It is possible for applications to be updated and at 11927 // that point remove a previously declared activity component that 11928 // had been set as a preferred activity. We try to clean this up 11929 // the next time we encounter that preferred activity, but it is 11930 // possible for the user flow to never be able to return to that 11931 // situation so here we do a sanity check to make sure we haven't 11932 // left any junk around. 11933 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11934 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11935 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11936 removed.clear(); 11937 for (PreferredActivity pa : pir.filterSet()) { 11938 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11939 removed.add(pa); 11940 } 11941 } 11942 if (removed.size() > 0) { 11943 for (int r=0; r<removed.size(); r++) { 11944 PreferredActivity pa = removed.get(r); 11945 Slog.w(TAG, "Removing dangling preferred activity: " 11946 + pa.mPref.mComponent); 11947 pir.removeFilter(pa); 11948 } 11949 mSettings.writePackageRestrictionsLPr( 11950 mSettings.mPreferredActivities.keyAt(i)); 11951 } 11952 } 11953 } 11954 sUserManager.systemReady(); 11955 } 11956 11957 @Override 11958 public boolean isSafeMode() { 11959 return mSafeMode; 11960 } 11961 11962 @Override 11963 public boolean hasSystemUidErrors() { 11964 return mHasSystemUidErrors; 11965 } 11966 11967 static String arrayToString(int[] array) { 11968 StringBuffer buf = new StringBuffer(128); 11969 buf.append('['); 11970 if (array != null) { 11971 for (int i=0; i<array.length; i++) { 11972 if (i > 0) buf.append(", "); 11973 buf.append(array[i]); 11974 } 11975 } 11976 buf.append(']'); 11977 return buf.toString(); 11978 } 11979 11980 static class DumpState { 11981 public static final int DUMP_LIBS = 1 << 0; 11982 11983 public static final int DUMP_FEATURES = 1 << 1; 11984 11985 public static final int DUMP_RESOLVERS = 1 << 2; 11986 11987 public static final int DUMP_PERMISSIONS = 1 << 3; 11988 11989 public static final int DUMP_PACKAGES = 1 << 4; 11990 11991 public static final int DUMP_SHARED_USERS = 1 << 5; 11992 11993 public static final int DUMP_MESSAGES = 1 << 6; 11994 11995 public static final int DUMP_PROVIDERS = 1 << 7; 11996 11997 public static final int DUMP_VERIFIERS = 1 << 8; 11998 11999 public static final int DUMP_PREFERRED = 1 << 9; 12000 12001 public static final int DUMP_PREFERRED_XML = 1 << 10; 12002 12003 public static final int DUMP_KEYSETS = 1 << 11; 12004 12005 public static final int DUMP_VERSION = 1 << 12; 12006 12007 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12008 12009 private int mTypes; 12010 12011 private int mOptions; 12012 12013 private boolean mTitlePrinted; 12014 12015 private SharedUserSetting mSharedUser; 12016 12017 public boolean isDumping(int type) { 12018 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12019 return true; 12020 } 12021 12022 return (mTypes & type) != 0; 12023 } 12024 12025 public void setDump(int type) { 12026 mTypes |= type; 12027 } 12028 12029 public boolean isOptionEnabled(int option) { 12030 return (mOptions & option) != 0; 12031 } 12032 12033 public void setOptionEnabled(int option) { 12034 mOptions |= option; 12035 } 12036 12037 public boolean onTitlePrinted() { 12038 final boolean printed = mTitlePrinted; 12039 mTitlePrinted = true; 12040 return printed; 12041 } 12042 12043 public boolean getTitlePrinted() { 12044 return mTitlePrinted; 12045 } 12046 12047 public void setTitlePrinted(boolean enabled) { 12048 mTitlePrinted = enabled; 12049 } 12050 12051 public SharedUserSetting getSharedUser() { 12052 return mSharedUser; 12053 } 12054 12055 public void setSharedUser(SharedUserSetting user) { 12056 mSharedUser = user; 12057 } 12058 } 12059 12060 @Override 12061 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12062 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12063 != PackageManager.PERMISSION_GRANTED) { 12064 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12065 + Binder.getCallingPid() 12066 + ", uid=" + Binder.getCallingUid() 12067 + " without permission " 12068 + android.Manifest.permission.DUMP); 12069 return; 12070 } 12071 12072 DumpState dumpState = new DumpState(); 12073 boolean fullPreferred = false; 12074 boolean checkin = false; 12075 12076 String packageName = null; 12077 12078 int opti = 0; 12079 while (opti < args.length) { 12080 String opt = args[opti]; 12081 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12082 break; 12083 } 12084 opti++; 12085 if ("-a".equals(opt)) { 12086 // Right now we only know how to print all. 12087 } else if ("-h".equals(opt)) { 12088 pw.println("Package manager dump options:"); 12089 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12090 pw.println(" --checkin: dump for a checkin"); 12091 pw.println(" -f: print details of intent filters"); 12092 pw.println(" -h: print this help"); 12093 pw.println(" cmd may be one of:"); 12094 pw.println(" l[ibraries]: list known shared libraries"); 12095 pw.println(" f[ibraries]: list device features"); 12096 pw.println(" k[eysets]: print known keysets"); 12097 pw.println(" r[esolvers]: dump intent resolvers"); 12098 pw.println(" perm[issions]: dump permissions"); 12099 pw.println(" pref[erred]: print preferred package settings"); 12100 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12101 pw.println(" prov[iders]: dump content providers"); 12102 pw.println(" p[ackages]: dump installed packages"); 12103 pw.println(" s[hared-users]: dump shared user IDs"); 12104 pw.println(" m[essages]: print collected runtime messages"); 12105 pw.println(" v[erifiers]: print package verifier info"); 12106 pw.println(" version: print database version info"); 12107 pw.println(" write: write current settings now"); 12108 pw.println(" <package.name>: info about given package"); 12109 return; 12110 } else if ("--checkin".equals(opt)) { 12111 checkin = true; 12112 } else if ("-f".equals(opt)) { 12113 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12114 } else { 12115 pw.println("Unknown argument: " + opt + "; use -h for help"); 12116 } 12117 } 12118 12119 // Is the caller requesting to dump a particular piece of data? 12120 if (opti < args.length) { 12121 String cmd = args[opti]; 12122 opti++; 12123 // Is this a package name? 12124 if ("android".equals(cmd) || cmd.contains(".")) { 12125 packageName = cmd; 12126 // When dumping a single package, we always dump all of its 12127 // filter information since the amount of data will be reasonable. 12128 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12129 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12130 dumpState.setDump(DumpState.DUMP_LIBS); 12131 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12132 dumpState.setDump(DumpState.DUMP_FEATURES); 12133 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12134 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12135 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12136 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12137 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12138 dumpState.setDump(DumpState.DUMP_PREFERRED); 12139 } else if ("preferred-xml".equals(cmd)) { 12140 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12141 if (opti < args.length && "--full".equals(args[opti])) { 12142 fullPreferred = true; 12143 opti++; 12144 } 12145 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12146 dumpState.setDump(DumpState.DUMP_PACKAGES); 12147 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12148 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12149 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12150 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12151 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12152 dumpState.setDump(DumpState.DUMP_MESSAGES); 12153 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12154 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12155 } else if ("version".equals(cmd)) { 12156 dumpState.setDump(DumpState.DUMP_VERSION); 12157 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12158 dumpState.setDump(DumpState.DUMP_KEYSETS); 12159 } else if ("write".equals(cmd)) { 12160 synchronized (mPackages) { 12161 mSettings.writeLPr(); 12162 pw.println("Settings written."); 12163 return; 12164 } 12165 } 12166 } 12167 12168 if (checkin) { 12169 pw.println("vers,1"); 12170 } 12171 12172 // reader 12173 synchronized (mPackages) { 12174 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12175 if (!checkin) { 12176 if (dumpState.onTitlePrinted()) 12177 pw.println(); 12178 pw.println("Database versions:"); 12179 pw.print(" SDK Version:"); 12180 pw.print(" internal="); 12181 pw.print(mSettings.mInternalSdkPlatform); 12182 pw.print(" external="); 12183 pw.println(mSettings.mExternalSdkPlatform); 12184 pw.print(" DB Version:"); 12185 pw.print(" internal="); 12186 pw.print(mSettings.mInternalDatabaseVersion); 12187 pw.print(" external="); 12188 pw.println(mSettings.mExternalDatabaseVersion); 12189 } 12190 } 12191 12192 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12193 if (!checkin) { 12194 if (dumpState.onTitlePrinted()) 12195 pw.println(); 12196 pw.println("Verifiers:"); 12197 pw.print(" Required: "); 12198 pw.print(mRequiredVerifierPackage); 12199 pw.print(" (uid="); 12200 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12201 pw.println(")"); 12202 } else if (mRequiredVerifierPackage != null) { 12203 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12204 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12205 } 12206 } 12207 12208 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12209 boolean printedHeader = false; 12210 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12211 while (it.hasNext()) { 12212 String name = it.next(); 12213 SharedLibraryEntry ent = mSharedLibraries.get(name); 12214 if (!checkin) { 12215 if (!printedHeader) { 12216 if (dumpState.onTitlePrinted()) 12217 pw.println(); 12218 pw.println("Libraries:"); 12219 printedHeader = true; 12220 } 12221 pw.print(" "); 12222 } else { 12223 pw.print("lib,"); 12224 } 12225 pw.print(name); 12226 if (!checkin) { 12227 pw.print(" -> "); 12228 } 12229 if (ent.path != null) { 12230 if (!checkin) { 12231 pw.print("(jar) "); 12232 pw.print(ent.path); 12233 } else { 12234 pw.print(",jar,"); 12235 pw.print(ent.path); 12236 } 12237 } else { 12238 if (!checkin) { 12239 pw.print("(apk) "); 12240 pw.print(ent.apk); 12241 } else { 12242 pw.print(",apk,"); 12243 pw.print(ent.apk); 12244 } 12245 } 12246 pw.println(); 12247 } 12248 } 12249 12250 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12251 if (dumpState.onTitlePrinted()) 12252 pw.println(); 12253 if (!checkin) { 12254 pw.println("Features:"); 12255 } 12256 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12257 while (it.hasNext()) { 12258 String name = it.next(); 12259 if (!checkin) { 12260 pw.print(" "); 12261 } else { 12262 pw.print("feat,"); 12263 } 12264 pw.println(name); 12265 } 12266 } 12267 12268 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12269 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12270 : "Activity Resolver Table:", " ", packageName, 12271 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12272 dumpState.setTitlePrinted(true); 12273 } 12274 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12275 : "Receiver Resolver Table:", " ", packageName, 12276 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12277 dumpState.setTitlePrinted(true); 12278 } 12279 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12280 : "Service Resolver Table:", " ", packageName, 12281 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12282 dumpState.setTitlePrinted(true); 12283 } 12284 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12285 : "Provider Resolver Table:", " ", packageName, 12286 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12287 dumpState.setTitlePrinted(true); 12288 } 12289 } 12290 12291 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12292 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12293 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12294 int user = mSettings.mPreferredActivities.keyAt(i); 12295 if (pir.dump(pw, 12296 dumpState.getTitlePrinted() 12297 ? "\nPreferred Activities User " + user + ":" 12298 : "Preferred Activities User " + user + ":", " ", 12299 packageName, true)) { 12300 dumpState.setTitlePrinted(true); 12301 } 12302 } 12303 } 12304 12305 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12306 pw.flush(); 12307 FileOutputStream fout = new FileOutputStream(fd); 12308 BufferedOutputStream str = new BufferedOutputStream(fout); 12309 XmlSerializer serializer = new FastXmlSerializer(); 12310 try { 12311 serializer.setOutput(str, "utf-8"); 12312 serializer.startDocument(null, true); 12313 serializer.setFeature( 12314 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12315 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12316 serializer.endDocument(); 12317 serializer.flush(); 12318 } catch (IllegalArgumentException e) { 12319 pw.println("Failed writing: " + e); 12320 } catch (IllegalStateException e) { 12321 pw.println("Failed writing: " + e); 12322 } catch (IOException e) { 12323 pw.println("Failed writing: " + e); 12324 } 12325 } 12326 12327 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12328 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12329 } 12330 12331 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12332 boolean printedSomething = false; 12333 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12334 if (packageName != null && !packageName.equals(p.info.packageName)) { 12335 continue; 12336 } 12337 if (!printedSomething) { 12338 if (dumpState.onTitlePrinted()) 12339 pw.println(); 12340 pw.println("Registered ContentProviders:"); 12341 printedSomething = true; 12342 } 12343 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12344 pw.print(" "); pw.println(p.toString()); 12345 } 12346 printedSomething = false; 12347 for (Map.Entry<String, PackageParser.Provider> entry : 12348 mProvidersByAuthority.entrySet()) { 12349 PackageParser.Provider p = entry.getValue(); 12350 if (packageName != null && !packageName.equals(p.info.packageName)) { 12351 continue; 12352 } 12353 if (!printedSomething) { 12354 if (dumpState.onTitlePrinted()) 12355 pw.println(); 12356 pw.println("ContentProvider Authorities:"); 12357 printedSomething = true; 12358 } 12359 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12360 pw.print(" "); pw.println(p.toString()); 12361 if (p.info != null && p.info.applicationInfo != null) { 12362 final String appInfo = p.info.applicationInfo.toString(); 12363 pw.print(" applicationInfo="); pw.println(appInfo); 12364 } 12365 } 12366 } 12367 12368 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12369 mSettings.mKeySetManagerService.dump(pw, packageName, dumpState); 12370 } 12371 12372 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12373 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12374 } 12375 12376 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12377 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12378 } 12379 12380 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12381 if (dumpState.onTitlePrinted()) 12382 pw.println(); 12383 mSettings.dumpReadMessagesLPr(pw, dumpState); 12384 12385 pw.println(); 12386 pw.println("Package warning messages:"); 12387 final File fname = getSettingsProblemFile(); 12388 FileInputStream in = null; 12389 try { 12390 in = new FileInputStream(fname); 12391 final int avail = in.available(); 12392 final byte[] data = new byte[avail]; 12393 in.read(data); 12394 pw.print(new String(data)); 12395 } catch (FileNotFoundException e) { 12396 } catch (IOException e) { 12397 } finally { 12398 if (in != null) { 12399 try { 12400 in.close(); 12401 } catch (IOException e) { 12402 } 12403 } 12404 } 12405 } 12406 } 12407 } 12408 12409 // ------- apps on sdcard specific code ------- 12410 static final boolean DEBUG_SD_INSTALL = false; 12411 12412 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12413 12414 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12415 12416 private boolean mMediaMounted = false; 12417 12418 private String getEncryptKey() { 12419 try { 12420 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12421 SD_ENCRYPTION_KEYSTORE_NAME); 12422 if (sdEncKey == null) { 12423 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12424 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12425 if (sdEncKey == null) { 12426 Slog.e(TAG, "Failed to create encryption keys"); 12427 return null; 12428 } 12429 } 12430 return sdEncKey; 12431 } catch (NoSuchAlgorithmException nsae) { 12432 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12433 return null; 12434 } catch (IOException ioe) { 12435 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12436 return null; 12437 } 12438 12439 } 12440 12441 /* package */static String getTempContainerId() { 12442 int tmpIdx = 1; 12443 String list[] = PackageHelper.getSecureContainerList(); 12444 if (list != null) { 12445 for (final String name : list) { 12446 // Ignore null and non-temporary container entries 12447 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12448 continue; 12449 } 12450 12451 String subStr = name.substring(mTempContainerPrefix.length()); 12452 try { 12453 int cid = Integer.parseInt(subStr); 12454 if (cid >= tmpIdx) { 12455 tmpIdx = cid + 1; 12456 } 12457 } catch (NumberFormatException e) { 12458 } 12459 } 12460 } 12461 return mTempContainerPrefix + tmpIdx; 12462 } 12463 12464 /* 12465 * Update media status on PackageManager. 12466 */ 12467 @Override 12468 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12469 int callingUid = Binder.getCallingUid(); 12470 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12471 throw new SecurityException("Media status can only be updated by the system"); 12472 } 12473 // reader; this apparently protects mMediaMounted, but should probably 12474 // be a different lock in that case. 12475 synchronized (mPackages) { 12476 Log.i(TAG, "Updating external media status from " 12477 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12478 + (mediaStatus ? "mounted" : "unmounted")); 12479 if (DEBUG_SD_INSTALL) 12480 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12481 + ", mMediaMounted=" + mMediaMounted); 12482 if (mediaStatus == mMediaMounted) { 12483 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12484 : 0, -1); 12485 mHandler.sendMessage(msg); 12486 return; 12487 } 12488 mMediaMounted = mediaStatus; 12489 } 12490 // Queue up an async operation since the package installation may take a 12491 // little while. 12492 mHandler.post(new Runnable() { 12493 public void run() { 12494 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12495 } 12496 }); 12497 } 12498 12499 /** 12500 * Called by MountService when the initial ASECs to scan are available. 12501 * Should block until all the ASEC containers are finished being scanned. 12502 */ 12503 public void scanAvailableAsecs() { 12504 updateExternalMediaStatusInner(true, false, false); 12505 if (mShouldRestoreconData) { 12506 SELinuxMMAC.setRestoreconDone(); 12507 mShouldRestoreconData = false; 12508 } 12509 } 12510 12511 /* 12512 * Collect information of applications on external media, map them against 12513 * existing containers and update information based on current mount status. 12514 * Please note that we always have to report status if reportStatus has been 12515 * set to true especially when unloading packages. 12516 */ 12517 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12518 boolean externalStorage) { 12519 // Collection of uids 12520 int uidArr[] = null; 12521 // Collection of stale containers 12522 HashSet<String> removeCids = new HashSet<String>(); 12523 // Collection of packages on external media with valid containers. 12524 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12525 // Get list of secure containers. 12526 final String list[] = PackageHelper.getSecureContainerList(); 12527 if (list == null || list.length == 0) { 12528 Log.i(TAG, "No secure containers on sdcard"); 12529 } else { 12530 // Process list of secure containers and categorize them 12531 // as active or stale based on their package internal state. 12532 int uidList[] = new int[list.length]; 12533 int num = 0; 12534 // reader 12535 synchronized (mPackages) { 12536 for (String cid : list) { 12537 if (DEBUG_SD_INSTALL) 12538 Log.i(TAG, "Processing container " + cid); 12539 String pkgName = getAsecPackageName(cid); 12540 if (pkgName == null) { 12541 if (DEBUG_SD_INSTALL) 12542 Log.i(TAG, "Container : " + cid + " stale"); 12543 removeCids.add(cid); 12544 continue; 12545 } 12546 if (DEBUG_SD_INSTALL) 12547 Log.i(TAG, "Looking for pkg : " + pkgName); 12548 12549 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12550 if (ps == null) { 12551 Log.i(TAG, "Deleting container with no matching settings " + cid); 12552 removeCids.add(cid); 12553 continue; 12554 } 12555 12556 /* 12557 * Skip packages that are not external if we're unmounting 12558 * external storage. 12559 */ 12560 if (externalStorage && !isMounted && !isExternal(ps)) { 12561 continue; 12562 } 12563 12564 final AsecInstallArgs args = new AsecInstallArgs(cid, 12565 getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps)); 12566 // The package status is changed only if the code path 12567 // matches between settings and the container id. 12568 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12569 if (DEBUG_SD_INSTALL) { 12570 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12571 + " at code path: " + ps.codePathString); 12572 } 12573 12574 // We do have a valid package installed on sdcard 12575 processCids.put(args, ps.codePathString); 12576 final int uid = ps.appId; 12577 if (uid != -1) { 12578 uidList[num++] = uid; 12579 } 12580 } else { 12581 Log.i(TAG, "Deleting stale container for " + cid); 12582 removeCids.add(cid); 12583 } 12584 } 12585 } 12586 12587 if (num > 0) { 12588 // Sort uid list 12589 Arrays.sort(uidList, 0, num); 12590 // Throw away duplicates 12591 uidArr = new int[num]; 12592 uidArr[0] = uidList[0]; 12593 int di = 0; 12594 for (int i = 1; i < num; i++) { 12595 if (uidList[i - 1] != uidList[i]) { 12596 uidArr[di++] = uidList[i]; 12597 } 12598 } 12599 } 12600 } 12601 // Process packages with valid entries. 12602 if (isMounted) { 12603 if (DEBUG_SD_INSTALL) 12604 Log.i(TAG, "Loading packages"); 12605 loadMediaPackages(processCids, uidArr, removeCids); 12606 startCleaningPackages(); 12607 } else { 12608 if (DEBUG_SD_INSTALL) 12609 Log.i(TAG, "Unloading packages"); 12610 unloadMediaPackages(processCids, uidArr, reportStatus); 12611 } 12612 } 12613 12614 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12615 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12616 int size = pkgList.size(); 12617 if (size > 0) { 12618 // Send broadcasts here 12619 Bundle extras = new Bundle(); 12620 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12621 .toArray(new String[size])); 12622 if (uidArr != null) { 12623 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12624 } 12625 if (replacing) { 12626 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12627 } 12628 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12629 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12630 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12631 } 12632 } 12633 12634 /* 12635 * Look at potentially valid container ids from processCids If package 12636 * information doesn't match the one on record or package scanning fails, 12637 * the cid is added to list of removeCids. We currently don't delete stale 12638 * containers. 12639 */ 12640 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12641 HashSet<String> removeCids) { 12642 ArrayList<String> pkgList = new ArrayList<String>(); 12643 Set<AsecInstallArgs> keys = processCids.keySet(); 12644 boolean doGc = false; 12645 for (AsecInstallArgs args : keys) { 12646 String codePath = processCids.get(args); 12647 if (DEBUG_SD_INSTALL) 12648 Log.i(TAG, "Loading container : " + args.cid); 12649 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12650 try { 12651 // Make sure there are no container errors first. 12652 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12653 Slog.e(TAG, "Failed to mount cid : " + args.cid 12654 + " when installing from sdcard"); 12655 continue; 12656 } 12657 // Check code path here. 12658 if (codePath == null || !codePath.equals(args.getCodePath())) { 12659 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12660 + " does not match one in settings " + codePath); 12661 continue; 12662 } 12663 // Parse package 12664 int parseFlags = mDefParseFlags; 12665 if (args.isExternal()) { 12666 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12667 } 12668 if (args.isFwdLocked()) { 12669 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12670 } 12671 12672 doGc = true; 12673 synchronized (mInstallLock) { 12674 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12675 0, 0, null, null); 12676 // Scan the package 12677 if (pkg != null) { 12678 /* 12679 * TODO why is the lock being held? doPostInstall is 12680 * called in other places without the lock. This needs 12681 * to be straightened out. 12682 */ 12683 // writer 12684 synchronized (mPackages) { 12685 retCode = PackageManager.INSTALL_SUCCEEDED; 12686 pkgList.add(pkg.packageName); 12687 // Post process args 12688 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12689 pkg.applicationInfo.uid); 12690 } 12691 } else { 12692 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12693 } 12694 } 12695 12696 } finally { 12697 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12698 // Don't destroy container here. Wait till gc clears things 12699 // up. 12700 removeCids.add(args.cid); 12701 } 12702 } 12703 } 12704 // writer 12705 synchronized (mPackages) { 12706 // If the platform SDK has changed since the last time we booted, 12707 // we need to re-grant app permission to catch any new ones that 12708 // appear. This is really a hack, and means that apps can in some 12709 // cases get permissions that the user didn't initially explicitly 12710 // allow... it would be nice to have some better way to handle 12711 // this situation. 12712 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12713 if (regrantPermissions) 12714 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12715 + mSdkVersion + "; regranting permissions for external storage"); 12716 mSettings.mExternalSdkPlatform = mSdkVersion; 12717 12718 // Make sure group IDs have been assigned, and any permission 12719 // changes in other apps are accounted for 12720 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12721 | (regrantPermissions 12722 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12723 : 0)); 12724 12725 mSettings.updateExternalDatabaseVersion(); 12726 12727 // can downgrade to reader 12728 // Persist settings 12729 mSettings.writeLPr(); 12730 } 12731 // Send a broadcast to let everyone know we are done processing 12732 if (pkgList.size() > 0) { 12733 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12734 } 12735 // Force gc to avoid any stale parser references that we might have. 12736 if (doGc) { 12737 Runtime.getRuntime().gc(); 12738 } 12739 // List stale containers and destroy stale temporary containers. 12740 if (removeCids != null) { 12741 for (String cid : removeCids) { 12742 if (cid.startsWith(mTempContainerPrefix)) { 12743 Log.i(TAG, "Destroying stale temporary container " + cid); 12744 PackageHelper.destroySdDir(cid); 12745 } else { 12746 Log.w(TAG, "Container " + cid + " is stale"); 12747 } 12748 } 12749 } 12750 } 12751 12752 /* 12753 * Utility method to unload a list of specified containers 12754 */ 12755 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12756 // Just unmount all valid containers. 12757 for (AsecInstallArgs arg : cidArgs) { 12758 synchronized (mInstallLock) { 12759 arg.doPostDeleteLI(false); 12760 } 12761 } 12762 } 12763 12764 /* 12765 * Unload packages mounted on external media. This involves deleting package 12766 * data from internal structures, sending broadcasts about diabled packages, 12767 * gc'ing to free up references, unmounting all secure containers 12768 * corresponding to packages on external media, and posting a 12769 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12770 * that we always have to post this message if status has been requested no 12771 * matter what. 12772 */ 12773 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12774 final boolean reportStatus) { 12775 if (DEBUG_SD_INSTALL) 12776 Log.i(TAG, "unloading media packages"); 12777 ArrayList<String> pkgList = new ArrayList<String>(); 12778 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12779 final Set<AsecInstallArgs> keys = processCids.keySet(); 12780 for (AsecInstallArgs args : keys) { 12781 String pkgName = args.getPackageName(); 12782 if (DEBUG_SD_INSTALL) 12783 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12784 // Delete package internally 12785 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12786 synchronized (mInstallLock) { 12787 boolean res = deletePackageLI(pkgName, null, false, null, null, 12788 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12789 if (res) { 12790 pkgList.add(pkgName); 12791 } else { 12792 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12793 failedList.add(args); 12794 } 12795 } 12796 } 12797 12798 // reader 12799 synchronized (mPackages) { 12800 // We didn't update the settings after removing each package; 12801 // write them now for all packages. 12802 mSettings.writeLPr(); 12803 } 12804 12805 // We have to absolutely send UPDATED_MEDIA_STATUS only 12806 // after confirming that all the receivers processed the ordered 12807 // broadcast when packages get disabled, force a gc to clean things up. 12808 // and unload all the containers. 12809 if (pkgList.size() > 0) { 12810 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12811 new IIntentReceiver.Stub() { 12812 public void performReceive(Intent intent, int resultCode, String data, 12813 Bundle extras, boolean ordered, boolean sticky, 12814 int sendingUser) throws RemoteException { 12815 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12816 reportStatus ? 1 : 0, 1, keys); 12817 mHandler.sendMessage(msg); 12818 } 12819 }); 12820 } else { 12821 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12822 keys); 12823 mHandler.sendMessage(msg); 12824 } 12825 } 12826 12827 /** Binder call */ 12828 @Override 12829 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12830 final int flags) { 12831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12832 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12833 int returnCode = PackageManager.MOVE_SUCCEEDED; 12834 int currFlags = 0; 12835 int newFlags = 0; 12836 // reader 12837 synchronized (mPackages) { 12838 PackageParser.Package pkg = mPackages.get(packageName); 12839 if (pkg == null) { 12840 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12841 } else { 12842 // Disable moving fwd locked apps and system packages 12843 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12844 Slog.w(TAG, "Cannot move system application"); 12845 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12846 } else if (pkg.mOperationPending) { 12847 Slog.w(TAG, "Attempt to move package which has pending operations"); 12848 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12849 } else { 12850 // Find install location first 12851 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12852 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12853 Slog.w(TAG, "Ambigous flags specified for move location."); 12854 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12855 } else { 12856 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12857 : PackageManager.INSTALL_INTERNAL; 12858 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12859 : PackageManager.INSTALL_INTERNAL; 12860 12861 if (newFlags == currFlags) { 12862 Slog.w(TAG, "No move required. Trying to move to same location"); 12863 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12864 } else { 12865 if (isForwardLocked(pkg)) { 12866 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12867 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12868 } 12869 } 12870 } 12871 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12872 pkg.mOperationPending = true; 12873 } 12874 } 12875 } 12876 12877 /* 12878 * TODO this next block probably shouldn't be inside the lock. We 12879 * can't guarantee these won't change after this is fired off 12880 * anyway. 12881 */ 12882 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12883 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false), 12884 returnCode); 12885 } else { 12886 Message msg = mHandler.obtainMessage(INIT_COPY); 12887 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 12888 final boolean multiArch = isMultiArch(pkg.applicationInfo); 12889 InstallArgs srcArgs = createInstallArgsForExisting(currFlags, 12890 pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(), 12891 pkg.applicationInfo.nativeLibraryRootDir, instructionSets, multiArch); 12892 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12893 instructionSets, pkg.applicationInfo.uid, user, multiArch); 12894 msg.obj = mp; 12895 mHandler.sendMessage(msg); 12896 } 12897 } 12898 } 12899 12900 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12901 // Queue up an async operation since the package deletion may take a 12902 // little while. 12903 mHandler.post(new Runnable() { 12904 public void run() { 12905 // TODO fix this; this does nothing. 12906 mHandler.removeCallbacks(this); 12907 int returnCode = currentStatus; 12908 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12909 int uidArr[] = null; 12910 ArrayList<String> pkgList = null; 12911 synchronized (mPackages) { 12912 PackageParser.Package pkg = mPackages.get(mp.packageName); 12913 if (pkg == null) { 12914 Slog.w(TAG, " Package " + mp.packageName 12915 + " doesn't exist. Aborting move"); 12916 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12917 } else if (!mp.srcArgs.getCodePath().equals( 12918 pkg.applicationInfo.getCodePath())) { 12919 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12920 + mp.srcArgs.getCodePath() + " to " 12921 + pkg.applicationInfo.getCodePath() 12922 + " Aborting move and returning error"); 12923 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12924 } else { 12925 uidArr = new int[] { 12926 pkg.applicationInfo.uid 12927 }; 12928 pkgList = new ArrayList<String>(); 12929 pkgList.add(mp.packageName); 12930 } 12931 } 12932 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12933 // Send resources unavailable broadcast 12934 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12935 // Update package code and resource paths 12936 synchronized (mInstallLock) { 12937 synchronized (mPackages) { 12938 PackageParser.Package pkg = mPackages.get(mp.packageName); 12939 // Recheck for package again. 12940 if (pkg == null) { 12941 Slog.w(TAG, " Package " + mp.packageName 12942 + " doesn't exist. Aborting move"); 12943 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12944 } else if (!mp.srcArgs.getCodePath().equals( 12945 pkg.applicationInfo.getCodePath())) { 12946 Slog.w(TAG, "Package " + mp.packageName 12947 + " code path changed from " + mp.srcArgs.getCodePath() 12948 + " to " + pkg.applicationInfo.getCodePath() 12949 + " Aborting move and returning error"); 12950 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12951 } else { 12952 final String oldCodePath = pkg.codePath; 12953 final String newCodePath = mp.targetArgs.getCodePath(); 12954 final String newResPath = mp.targetArgs.getResourcePath(); 12955 // TODO: This assumes the new style of installation. 12956 // should we look at legacyNativeLibraryPath ? 12957 final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath(); 12958 final File newNativeDir = new File(newNativeRoot); 12959 12960 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12961 // TODO(multiArch): Fix this so that it looks at the existing 12962 // recorded CPU abis from the package. There's no need for a separate 12963 // round of ABI scanning here. 12964 NativeLibraryHelper.Handle handle = null; 12965 try { 12966 handle = NativeLibraryHelper.Handle.create( 12967 new File(newCodePath)); 12968 final int abi = NativeLibraryHelper.findSupportedAbi( 12969 handle, Build.SUPPORTED_ABIS); 12970 if (abi >= 0) { 12971 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12972 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12973 } 12974 } catch (IOException ioe) { 12975 Slog.w(TAG, "Unable to extract native libs for package :" 12976 + mp.packageName, ioe); 12977 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12978 } finally { 12979 IoUtils.closeQuietly(handle); 12980 } 12981 } 12982 12983 final int[] users = sUserManager.getUserIds(); 12984 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12985 for (int user : users) { 12986 // TODO(multiArch): Fix this so that it links to the 12987 // correct directory. We're currently pointing to root. but we 12988 // must point to the arch specific subdirectory (if applicable). 12989 // 12990 // TODO(multiArch): Bogus reference to nativeLibraryDir. 12991 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12992 newNativeRoot, user) < 0) { 12993 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12994 } 12995 } 12996 } 12997 12998 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12999 pkg.codePath = newCodePath; 13000 pkg.baseCodePath = newCodePath; 13001 // Move dex files around 13002 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13003 // Moving of dex files failed. Set 13004 // error code and abort move. 13005 pkg.codePath = oldCodePath; 13006 pkg.baseCodePath = oldCodePath; 13007 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13008 } 13009 } 13010 13011 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13012 pkg.applicationInfo.setCodePath(newCodePath); 13013 pkg.applicationInfo.setBaseCodePath(newCodePath); 13014 pkg.applicationInfo.setSplitCodePaths(null); 13015 pkg.applicationInfo.setResourcePath(newResPath); 13016 pkg.applicationInfo.setBaseResourcePath(newResPath); 13017 pkg.applicationInfo.setSplitResourcePaths(null); 13018 13019 PackageSetting ps = (PackageSetting) pkg.mExtras; 13020 ps.codePath = new File(pkg.applicationInfo.getCodePath()); 13021 ps.codePathString = ps.codePath.getPath(); 13022 ps.resourcePath = new File(pkg.applicationInfo.getResourcePath()); 13023 ps.resourcePathString = ps.resourcePath.getPath(); 13024 13025 // Note that we don't have to recalculate the primary and secondary 13026 // CPU ABIs because they must already have been calculated during the 13027 // initial install of the app. 13028 ps.legacyNativeLibraryPathString = null; 13029 13030 // Set the application info flag 13031 // correctly. 13032 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13033 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13034 } else { 13035 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13036 } 13037 ps.setFlags(pkg.applicationInfo.flags); 13038 mAppDirs.remove(oldCodePath); 13039 mAppDirs.put(newCodePath, pkg); 13040 // Persist settings 13041 mSettings.writeLPr(); 13042 } 13043 } 13044 } 13045 } 13046 // Send resources available broadcast 13047 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13048 } 13049 } 13050 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13051 // Clean up failed installation 13052 if (mp.targetArgs != null) { 13053 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13054 -1); 13055 } 13056 } else { 13057 // Force a gc to clear things up. 13058 Runtime.getRuntime().gc(); 13059 // Delete older code 13060 synchronized (mInstallLock) { 13061 mp.srcArgs.doPostDeleteLI(true); 13062 } 13063 } 13064 13065 // Allow more operations on this file if we didn't fail because 13066 // an operation was already pending for this package. 13067 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13068 synchronized (mPackages) { 13069 PackageParser.Package pkg = mPackages.get(mp.packageName); 13070 if (pkg != null) { 13071 pkg.mOperationPending = false; 13072 } 13073 } 13074 } 13075 13076 IPackageMoveObserver observer = mp.observer; 13077 if (observer != null) { 13078 try { 13079 observer.packageMoved(mp.packageName, returnCode); 13080 } catch (RemoteException e) { 13081 Log.i(TAG, "Observer no longer exists."); 13082 } 13083 } 13084 } 13085 }); 13086 } 13087 13088 @Override 13089 public boolean setInstallLocation(int loc) { 13090 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13091 null); 13092 if (getInstallLocation() == loc) { 13093 return true; 13094 } 13095 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13096 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13097 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13098 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13099 return true; 13100 } 13101 return false; 13102 } 13103 13104 @Override 13105 public int getInstallLocation() { 13106 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13107 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13108 PackageHelper.APP_INSTALL_AUTO); 13109 } 13110 13111 /** Called by UserManagerService */ 13112 void cleanUpUserLILPw(int userHandle) { 13113 mDirtyUsers.remove(userHandle); 13114 mSettings.removeUserLPw(userHandle); 13115 mPendingBroadcasts.remove(userHandle); 13116 if (mInstaller != null) { 13117 // Technically, we shouldn't be doing this with the package lock 13118 // held. However, this is very rare, and there is already so much 13119 // other disk I/O going on, that we'll let it slide for now. 13120 mInstaller.removeUserDataDirs(userHandle); 13121 } 13122 mUserNeedsBadging.delete(userHandle); 13123 } 13124 13125 /** Called by UserManagerService */ 13126 void createNewUserLILPw(int userHandle, File path) { 13127 if (mInstaller != null) { 13128 mInstaller.createUserConfig(userHandle); 13129 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13130 } 13131 } 13132 13133 @Override 13134 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13135 mContext.enforceCallingOrSelfPermission( 13136 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13137 "Only package verification agents can read the verifier device identity"); 13138 13139 synchronized (mPackages) { 13140 return mSettings.getVerifierDeviceIdentityLPw(); 13141 } 13142 } 13143 13144 @Override 13145 public void setPermissionEnforced(String permission, boolean enforced) { 13146 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13147 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13148 synchronized (mPackages) { 13149 if (mSettings.mReadExternalStorageEnforced == null 13150 || mSettings.mReadExternalStorageEnforced != enforced) { 13151 mSettings.mReadExternalStorageEnforced = enforced; 13152 mSettings.writeLPr(); 13153 } 13154 } 13155 // kill any non-foreground processes so we restart them and 13156 // grant/revoke the GID. 13157 final IActivityManager am = ActivityManagerNative.getDefault(); 13158 if (am != null) { 13159 final long token = Binder.clearCallingIdentity(); 13160 try { 13161 am.killProcessesBelowForeground("setPermissionEnforcement"); 13162 } catch (RemoteException e) { 13163 } finally { 13164 Binder.restoreCallingIdentity(token); 13165 } 13166 } 13167 } else { 13168 throw new IllegalArgumentException("No selective enforcement for " + permission); 13169 } 13170 } 13171 13172 @Override 13173 @Deprecated 13174 public boolean isPermissionEnforced(String permission) { 13175 return true; 13176 } 13177 13178 @Override 13179 public boolean isStorageLow() { 13180 final long token = Binder.clearCallingIdentity(); 13181 try { 13182 final DeviceStorageMonitorInternal 13183 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13184 if (dsm != null) { 13185 return dsm.isMemoryLow(); 13186 } else { 13187 return false; 13188 } 13189 } finally { 13190 Binder.restoreCallingIdentity(token); 13191 } 13192 } 13193 13194 @Override 13195 public IPackageInstaller getPackageInstaller() { 13196 return mInstallerService; 13197 } 13198 13199 private boolean userNeedsBadging(int userId) { 13200 int index = mUserNeedsBadging.indexOfKey(userId); 13201 if (index < 0) { 13202 final UserInfo userInfo; 13203 final long token = Binder.clearCallingIdentity(); 13204 try { 13205 userInfo = sUserManager.getUserInfo(userId); 13206 } finally { 13207 Binder.restoreCallingIdentity(token); 13208 } 13209 final boolean b; 13210 if (userInfo != null && userInfo.isManagedProfile()) { 13211 b = true; 13212 } else { 13213 b = false; 13214 } 13215 mUserNeedsBadging.put(userId, b); 13216 return b; 13217 } 13218 return mUserNeedsBadging.valueAt(index); 13219 } 13220} 13221